Jim and I were very honored this afternoon to attend a wonderful luncheon at James Bowie High School. We accepted the 2009 Education Groundwater Stewardship Award from the Barton Springs/Edwards Aquifer Conservation District.

During a delicious and very filling lunch prepared by Bowie High School Culinary Arts program, each award winner spoke a little about the work they do. Jim spoke about the significance of this year’s drought and how helpful the District is at getting information to us. We keep an eye on the Barton Springs flow and the current drought status which is just been downgraded to Alarm Stage. He even got some laughs with his comment about what a mouthful the District’s name is. Both of us have stumbled over that one in the past!
Here are some of the other 2009 award recipients:
2009 Groundwater Stewardship Award Winners Announced
October 14, 2009 – With the aquifer in District-declared drought for over 16 months, the Barton Springs/Edwards Aquifer Conservation District’s Board of Directors at its last meeting was especially pleased to celebrate exemplary efforts to conserve and protect the groundwater resources of the District. The District congratulates the following recipients of this year’s awards:
Permittee of the Year: Hays Consolidated ISD–Jack Hays High School
Jack Hays High School has made significant efforts to reduce water use and proactively communicate to keep the District informed of major projects. They have a perfect compliance history during the 16 months of District-declared drought with an average pumpage 57% below the required targets.
Water Quality Protection: American Youthworks, Environmental Corps—Park Smith
The American Youthworks, Environmental Corps was nominated for their work to preserve and protect the Barton Creek watershed. In the past year they coordinated with 150 volunteers to remove invasive species, improve trail systems and reduce erosion, and restore native vegetation in many of the City of Austin’s Water Quality Protection Lands.
Research: Salamander Conservation Program, City of Austin Watershed Protection and Review Department—Laurie Dries, Ph.D. and Dee Ann Chamberlain
Dr. Laurie Dries was nominated for her work in conservation biology with regard to the Barton Springs Salamander and Barton Springs habitat restoration. Ms. Dee Ann Chamberlain was nominated for her work in managing the Barton Springs Salamander captive breeding program and documenting the life cycle. Dr. Dries, Ms. Chamberlain and the Salamander Conservation Program Staff have helped preserve the habitat and viability of the endangered Barton Springs salamander population.
Water Conservation: Slaughter Creek Acres Water Supply—Glenn Larkin and Mike Dorsey
The Slaughter Creek Acres Water Supply System has followed and enforced all User Drought Contingency Plan requirements and has maintained pumpage well below the 30% mandatory reductions during Critical Drought Stage. Resident involvement in community meetings regarding their water supply and per capita water use under 70 gallons per person per day show concern and understanding of the issues facing the Edwards Aquifer during the current drought.
Education: KXAN TV Weather Team—Jim Spencer and Natalie Stoll
The KXAN Weather Team, led by Jim Spencer and assisted by Natalie Stoll, has provided exceptional coverage of the Barton Springs segment of the Edwards Aquifer. Weather reports consistently relate precipitation events to aquifer recharge and drought status. The KXAN Weather Team educates viewers of the significance of Barton Springs discharge, one of the primary drought stage triggers for the Barton Springs segment of the Edwards Aquifer, in their water levels reports.
Each year, the District presents these stewardship awards to deserving individuals, organizations, companies or agencies that have excelled in efforts to preserve, protect, and conserve groundwater resources.
November is starting off very dry, as we have no rain in our forecast this entire week. Quite a contrast to last month, one of the wettest Octobers on record.
The recent rainfall has certainly changed our drought status. Notice in this weekly Drought Monitor graphic, our area has seen significant improvement, with only a moderate drought classification at worst. Parts of our area are no longer considered to be in a drought at all.
Notice in this animation, the significant improvement in our drought since August, thanks to more than 13″ of rainfall in September and October.

It’s important to remember though, that Lakes Buchanan and Travis are still only roughly half full, and continue to be suffering from our two year drought.
Here is information from the National Weather Service regarding the wet weather in October, and the monthly climate reports for for Camp Mabry and ABIA:
PUBLIC INFORMATION STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
…RAINFALL AMOUNTS FOR THE YEAR CONTINUED TO INCREASE IN
OCTOBER 2009…
OCTOBER 2009 CONTINUED THE TREND FROM SEPTEMBER WITH MORE RAIN THAN
USUAL ACROSS MOST OF SOUTH CENTRAL TEXAS. DURING OCTOBER THE ONLY
EXCEPTION WAS FROM NEAR DEL RIO AND EAST TO PARTS OF KINNEY AND
NORTHERN MAVERICK COUNTY…WHERE RAINFALL IN OCTOBER WAS LESS
THAN AVERAGE. THE FREQUENT PASSAGE OF COLD FRONTS AND RAIN EVENTS
IN OCTOBER KEPT THE AVERAGE TEMPERATURE BELOW AVERAGE AT MOST
LOCATIONS.
OCTOBER 2009 WAS THE 2ND WETTEST OCTOBER AT SAN ANTONIO SINCE
1871…WITH 11.90 INCHES OF RAIN. IN ADDITION OCTOBER 2009
AT SAN ANTONIO WAS THE 10TH WETTEST ALL-TIME MONTH. AT AUSTIN MABRY
OCTOBER 2009 WAS THE 18TH WETTEST OCTOBER SINCE 1856 WITH 6.88
INCHES OF RAIN…AND THE 10TH WETTEST OCTOBER AT AUSTIN BERGSTROM
SINCE 1943 WITH 6.90 INCHES OF RAIN.
THE LIST BELOW SHOWS THE WETTEST OCTOBERS AT AUSTIN…AND
SAN ANTONIO.
THE WETTEST OCTOBERS AT SAN ANTONIO SINCE 1871 FOLLOW.
1. OCTOBER 1998 18.07 INCHES
2. OCTOBER 2009 11.90 INCHES
3. OCTOBER 1994 9.74 INCHES
4. OCTOBER 1942 9.56 INCHES
5. OCTOBER 2004 9.47 INCHES
6. OCTOBER 1913 8.86 INCHES
7. OCTOBER 1919 8.66 INCHES
8. OCTOBER 1981 8.61 INCHES
9. OCTOBER 1976 8.48 INCHES
10. OCTOBER 1960 7.84 INCHES
THE WETTEST OCTOBERS AT THE AUSTIN CITY CLIMATE LOCATION…LOCATED
AT AUSTIN MABRY TODAY…SINCE 1856 FOLLOW.
1. OCTOBER 1925 12.63 INCHES
2. OCTOBER 1870 12.54 INCHES
3. OCTOBER 1998 12.39 INCHES
4. OCTOBER 1960 12.30 INCHES
5. OCTOBER 1973 11.11 INCHES
6. OCTOBER 1919 10.92 INCHES
7. OCTOBER 1984 10.34 INCHES
8. OCTOBER 1923 9.25 INCHES
9. OCTOBER 1913 8.92 INCHES
10. OCTOBER 1957 8.79 INCHES
…
18. OCTOBER 2009 6.88 INCHES
THE WETTEST OCTOBERS AT AUSTIN BERGSTROM SINCE 1943 FOLLOW.
1. OCTOBER 1960 13.08 INCHES
2. OCTOBER 1998 12.73 INCHES
3. OCTOBER 1973 10.40 INCHES
4. OCTOBER 1984 9.30 INCHES
5. OCTOBER 1986 AND 2002 9.11 INCHES
6. OCTOBER 1957 9.00 INCHES
7. OCTOBER 1994 7.79 INCHES
8. OCTOBER 1976 6.99 INCHES
9. OCTOBER 1959 6.94 INCHES
10. OCTOBER 2009 6.90 INCHES
CLIMATE REPORT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
827 AM CST SUN NOV 1 2009
...THE AUSTIN CAMP MABRY CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1898 TO 2009
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
HIGHEST 92 10/15 93 10/03
LOWEST 46 10/31 40 10/28
AVG. MAXIMUM 78.1 81.4 -3.3 84.0
AVG. MINIMUM 59.4 59.8 -0.4 58.1
MEAN 68.8 70.6 -1.8 71.1
DAYS MAX >= 90 4 9
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 6.88 3.97 2.91 2.01
DAILY AVG. 0.22 0.13 0.09 0.06
DAYS >= .01 11 3
DAYS >= .10 9 2
DAYS >= .50 4 2
DAYS >= 1.00 3 1
GREATEST
24 HR. TOTAL 2.08 10/26 TO 10/26
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0
DEGREE_DAYS
HEATING TOTAL 43 32 11 29
SINCE 7/1 48 34 14 29
COOLING TOTAL 168 207 -39 223
SINCE 1/1 3523 2910 613 3496
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 4.6
HIGHEST WIND SPEED/DIRECTION 22/340 DATE 10/09
HIGHEST GUST SPEED/DIRECTION 39/360 DATE 10/09
SKY COVER
POSSIBLE SUNSHINE (PERCENT) 43
NUMBER OF DAYS FAIR 8
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 13
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 3 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 10
LIGHT RAIN 15 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 1
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
REMARKS:
HIGHEST STATION PRESSURE: 30.41 ON THE 18TH
LOWEST STATION PRESSURE: 29.56 ON THE 29TH
A NEW HIGHEST MIN RECORD OF 79 ON THE 8TH REPLACES THE PREVIOUS RECORD OF 77
SET IN 1982.
A NEW LOWEST MAX RECORD OF 59 ON THE 11TH REPLACES THE PREVIOUS RECORD OF 63
SET IN 1919.
THIS OCTOBER WAS THE 18TH WETTEST OCTOBERS ON RECORD WITH 1925 BEING THE
WETTEST WITH 12.63 INCHES.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: AUSTIN CAMP MABRY
MONTH: OCTOBER
YEAR: 2009
LATITUDE: 30 17 N
LONGITUDE: 97 42 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 88 73 81 5 0 16 T 0.0 0 5.5 13 350 226 32 5 3 23 350
2 81 64 73 -2 0 8 0.00 0.0 0 4.6 13 30 173 24 6 24 20
3 71 65 68 -7 0 3 0.34 0.0 0 2.0 8 120 0 0 9 1 13 120
4 84 71 78 3 0 13 0.34 0.0 0 3.7 12 160 186 26 8 1 20 150
5 79 65 72 -2 0 7 0.00 0.0 0 2.6 8 40 36 5 9 18 15 170
6 91 74 83 9 0 18 0.00 0.0 0 5.2 13 30 327 47 7 1 23 210
7 81 66 74 0 0 9 T 0.0 0 4.7 12 170 241 34 8 22 170
8 91 79 85 12 0 20 0.00 0.0 0 10.0 18 160 273 39 9 30 150
9 82 54 68 -5 0 3 1.30 0.0 0 7.1 22 340 0 0 10 13 39 360
10 60 53 57 -16 8 0 0.00 0.0 0 3.5 9 20 0 0 10 1 14 40
11 59 54 57 -15 8 0 0.57 0.0 0 3.3 8 40 0 0 10 1 13 40
12 71 57 64 -8 1 0 T 0.0 0 1.0 6 10 0 0 10 1 8 90
13 83 68 76 4 0 11 0.35 0.0 0 0.5 6 90 204 30 8 12 10 90
14 90 75 83 12 0 18 T 0.0 0 2.8 10 160 294 43 5 1 16 180
15 92 63 78 7 0 13 0.00 0.0 0 4.9 14 360 392 57 3 1 22 360
16 73 59 66 -5 0 1 0.00 0.0 0 6.0 15 10 363 53 4 1 22 10
17 77 55 66 -4 0 1 0.00 0.0 0 1.5 8 30 684 100 0 13 30
18 75 53 64 -6 1 0 0.00 0.0 0 4.2 9 160 682 100 0 17 190
19 79 55 67 -3 0 2 0.00 0.0 0 5.8 14 160 675 99 2 1 22 160
20 83 57 70 1 0 5 0.02 0.0 0 5.8 16 140 278 41 4 1 24 150
21 78 68 73 4 0 8 0.41 0.0 0 6.5 15 140 7 1 8 1 23 130
22 72 55 64 -5 1 0 1.20 0.0 0 5.7 17 320 477 71 4 1 26 320
23 72 51 62 -6 3 0 0.00 0.0 0 4.7 14 330 674 100 0 22 340
24 76 48 62 -6 3 0 0.00 0.0 0 4.3 14 160 672 100 0 29 160
25 83 58 71 3 0 6 0.00 0.0 0 5.9 15 160 263 39 6 24 150
26 72 53 63 -4 2 0 2.08 0.0 M 5.5 16 10 0 0 10 13 29 360
27 70 47 59 -8 6 0 0.00 0.0 0 2.8 9 300 667 100 1 15 170
28 82 51 67 1 0 2 0.08 0.0 0 5.8 16 160 32 5 7 1 25 130
29 82 56 69 3 0 4 0.19 0.0 0 9.5 20 320 112 17 9 1 33 320
30 70 49 60 -6 5 0 T 0.0 0 3.5 12 340 491 74 4 17 320
31 74 46 60 -5 5 0 0.00 0.0 0 2.2 9 300 660 100 0 15 290
================================================================================
SM 2421 1842 43 168 6.88 0.0 141.1 9089 176
================================================================================
AV 78.1 59.4 4.6 FASTST 293 43 6 MAX(MPH)
MISC ----> # 22 340 # 39 360
================================================================================
NOTES:
SYMBOLS USED IN COLUMN 16
1 = FOG OR MIST
2 = FOG REDUCING VISIBILITY
TO 1/4 MILE OR LESS
3 = THUNDER
4 = ICE PELLETS
5 = HAIL
6 = FREEZING RAIN OR DRIZZLE
7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
9 = BLOWING SNOW
X = TORNADO
CLIMATE REPORT...CORRECTED REMARKS
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO, TX
910 AM CST SUN NOV 1 2009
...................................
...THE AUSTIN BERGSTROM CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2009...
CLIMATE NORMAL PERIOD 1971 TO 2000
CLIMATE RECORD PERIOD 1943 TO 2009
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
HIGHEST 92 10/08 92 10/02
10/03
LOWEST 37 10/31 33 10/28
10/29
AVG. MAXIMUM 78.4 81.8 -3.4 84.8
AVG. MINIMUM 57.2 59.7 -2.5 51.7
MEAN 67.8 70.8 -3.0 68.3
DAYS MAX >= 90 3 8
DAYS MAX <= 32 0 0
DAYS MIN <= 32 0 0
DAYS MIN <= 0 0 0
PRECIPITATION (INCHES)
TOTALS 6.90 3.99 2.91 1.20
DAILY AVG. 0.22 0.13 0.09 0.04
DAYS >= .01 10 3
DAYS >= .10 7 3
DAYS >= .50 3 1
DAYS >= 1.00 2 0
GREATEST
24 HR. TOTAL 2.36 10/26 TO 10/26
10/25 TO 10/26
10/26 TO 10/26
SNOWFALL (INCHES)
TOTALS 0.0 0.0 0.0 0.0
SINCE 7/1 0.0 0.0 0.0 0.0
DEGREE_DAYS
HEATING TOTAL 69 38 31 40
SINCE 7/1 72 39 33 40
COOLING TOTAL 162 148 14 148
SINCE 1/1 3199 2517 682 2956
.................................................................
WIND (MPH)
AVERAGE WIND SPEED 8.1
HIGHEST WIND SPEED/DIRECTION 32/330 DATE 10/09
HIGHEST GUST SPEED/DIRECTION 45/330 DATE 10/09
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
NUMBER OF DAYS FAIR 7
NUMBER OF DAYS PC 10
NUMBER OF DAYS CLOUDY 14
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 4 MIXED PRECIP 0
HEAVY RAIN 5 RAIN 5
LIGHT RAIN 17 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 19 FOG W/VIS <= 1/4 MILE 2
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
REMARKS:
HIGHEST STATION PRESSURE: 30.41 ON THE 18TH
LOWEST STATION PRESSURE: 29.55 ON THE 29TH
A NEW HIGHEST MIN RECORD OF 78 ON THE 8TH REPLACES THE PREVIOUS
RECORD OF 76 SET IN 1990.
A NEW LOWEST MAX RECORD OF 59 ON THE 11TH REPLACES THE PREVIOUS
RECORD OF 66 SET IN 2000.
THIS WAS THE 9TH COLDEST OCTOBERS ON RECORD WITH THE COLDEST
BEING 61.4 DEGREES SET IN 1976.
THIS WAS THE 8TH LOWEST AVERAGE MAXIMUMS FOR OCTOBER ON RECORD
WITH THE LOWEST BEING 71.7 SET IN 1976.
THIS WAS THE 10TH WETTEST OCTOBERS ON RECORD WITH THE WETTEST
BEING 13.08 SET IN 1960.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: AUSTIN BERGSTROM
MONTH: OCTOBER
YEAR: 2009
LATITUDE: 30 13 N
LONGITUDE: 97 40 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 88 76 82 6 0 17 T 0.0 0 9.6 18 360 M M 8 24 180
2 81 61 71 -4 0 6 T 0.0 0 9.4 21 30 M M 8 1 25 30
3 72 60 66 -9 0 1 0.79 0.0 0 4.3 10 90 M M 9 13 14 90
4 85 72 79 4 0 14 0.10 0.0 0 6.0 16 210 M M 9 13 21 210
5 80 66 73 -1 0 8 T 0.0 0 7.3 17 10 M M 9 128 21 10
6 91 74 83 9 0 18 T 0.0 0 8.6 22 190 M M 6 1 29 200
7 82 66 74 0 0 9 T 0.0 0 8.6 17 20 M M 8 21 170
8 92 78 85 12 0 20 T 0.0 0 15.7 28 180 M M 7 38 190
9 82 55 69 -4 0 4 1.79 0.0 0 12.9 32 330 M M 9 13 45 330
10 60 53 57 -16 8 0 T 0.0 0 10.3 15 40 M M 10 1 20 40
11 59 55 57 -15 8 0 0.44 0.0 0 9.2 16 40 M M 10 1 20 60
12 71 57 64 -8 1 0 0.02 0.0 0 5.3 10 10 M M 9 1 13 10
13 83 68 76 4 0 11 0.15 0.0 0 2.8 12 310 M M 9 12 15 320
14 89 74 82 10 0 17 0.00 0.0 0 6.9 15 200 M M 6 1 20 180
15 91 65 78 7 0 13 0.00 0.0 0 10.3 23 10 M M 5 1 28 360
16 73 56 65 -6 0 0 T 0.0 0 13.3 22 20 M M 5 1 26 10
17 76 50 63 -8 2 0 0.00 0.0 0 4.2 12 40 M M 1 15 40
18 74 48 61 -9 4 0 0.00 0.0 0 4.5 13 180 M M 0 16 180
19 79 47 63 -7 2 0 0.00 0.0 0 7.2 20 210 M M 2 1 25 200
20 83 50 67 -3 0 2 T 0.0 0 8.2 23 150 M M 5 1 28 140
21 81 70 76 7 0 11 0.10 0.0 0 11.3 21 140 M M 8 1 30 150
22 72 49 61 -8 4 0 1.06 0.0 0 8.7 20 320 M M 5 1 28 320
23 72 46 59 -10 6 0 0.00 0.0 0 4.2 13 300 M M 0 18 330
24 76 42 59 -9 6 0 0.00 0.0 0 6.9 17 160 M M 1 22 150
25 84 53 69 1 0 4 0.00 0.0 0 9.7 22 180 M M 5 28 170
26 72 54 63 -4 2 0 2.36 0.0 0 10.7 28 20 M M 10 13 35 20
27 68 46 57 -10 8 0 0.00 0.0 0 4.7 12 170 M M 1 15 170
28 83 44 64 -3 1 0 0.03 0.0 0 8.4 24 170 M M 6 33 170
29 86 57 72 6 0 7 0.06 0.0 0 14.7 26 180 M M 9 1 36 190
30 71 43 57 -9 8 0 T 0.0 0 5.3 14 330 M M 6 20 330
31 74 37 56 -10 9 0 0.00 0.0 0 2.2 12 340 M M 0 15 330
================================================================================
SM 2430 1772 69 162 6.90 0.0 251.4 M 186
================================================================================
AV 78.4 57.2 8.1 FASTST M M 6 MAX(MPH)
MISC ----> # 32 330 # 45 330
================================================================================
NOTES:
SYMBOLS USED IN COLUMN 16
1 = FOG OR MIST
2 = FOG REDUCING VISIBILITY
TO 1/4 MILE OR LESS
3 = THUNDER
4 = ICE PELLETS
5 = HAIL
6 = FREEZING RAIN OR DRIZZLE
7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
9 = BLOWING SNOW
X = TORNADO
A powerful upper level storm over the Rockies is likely to bring us rain and some strong to severe thunderstorms tomorrow.

The system may produce a squall line of thunderstorms that enter the Hill Country in the morning, then progress eastward across the area into the afternoon. More rain showers will likely follow the front Thursday night through midday Friday, before clearing skies and drier air settle in for the weekend.
Here are the latest statements regarding the approaching storm from the National Weather Service and Storm Prediction Center:
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
WED OCT 28 2009
LLANO-BURNET-WILLIAMSON-VAL VERDE-EDWARDS-REAL-KERR-BANDERA-
GILLESPIE-KENDALL-BLANCO-HAYS-TRAVIS-BASTROP-LEE-KINNEY-UVALDE-
MEDINA-BEXAR-COMAL-GUADALUPE-CALDWELL-FAYETTE-MAVERICK-ZAVALA-
FRIO-ATASCOSA-WILSON-KARNES-GONZALES-DE WITT-LAVACA-DIMMIT-
…SHOWERS AND THUNDERSTORMS EXPECTED ON THURSDAY…
A COLD FRONT IN ADVANCE OF ANOTHER UPPER LEVEL LOW PRESSURE SYSTEM
WILL MOVE SOUTHEAST ACROSS SOUTH CENTRAL TEXAS ON THURSDAY. A LINE
OF SHOWERS AND THUNDERSTORMS IS EXPECTED ALONG THE FRONTAL BOUNDARY.
ISOLATED STRONG TO SEVERE STORMS COULD DEVELOP ALONG THIS LINE
THURSDAY AFTERNOON MAINLY ALONG AND EAST OF A LINE FROM GEORGETOWN
TO SAN ANTONIO TO CHARLOTTE. THE PRIMARY SEVERE WEATHER THREAT WILL
BE DAMAGING WINDS.
IN ADDITION…BRIEF PERIODS OF MODERATE TO HEAVY RAIN ARE POSSIBLE
ON THURSDAY. RAINFALL TOTALS OF ONE HALF TO ONE INCH ARE EXPECTED
WITH ISOLATED 2 INCH TOTALS POSSIBLE…ESPECIALLY ALONG AND EAST OF
THE I-35 CORRIDOR. RUNOFF FROM THE HEAVY RAINFALL WILL HAVE THE
POTENTIAL TO CAUSE FLASH FLOODING ACROSS METRO AREAS AS WELL AS
IMPACTING LOW WATER CROSSINGS…CREEKS…STREAMS…STREET
INTERSECTIONS…CULVERTS AND HIGHWAY UNDERPASSES.
CLOUDY…COOLER AND WET CONDITIONS ARE IN STORE THURSDAY NIGHT INTO
FRIDAY WITH LIGHT TO MODERATE POST-FRONTAL RAIN. THE RAIN WILL END
FROM WEST TO EAST FRIDAY AFTERNOON WITH THE PASSAGE OF THE UPPER
LEVEL LOW PRESSURE SYSTEM. MOSTLY CLEAR SKIES WITH NEAR NORMAL HIGHS
AND SLIGHTLY COOLER THAN NORMAL LOWS ARE FORECAST FOR THE WEEKEND.
DRY CONDITIONS AND A GRADUAL WARMING TREND ARE IN STORE FOR EARLY
NEXT WEEK.
FLOOD WATCH
NATIONAL WEATHER SERVICE FORT WORTH TX
138 PM CDT WED OCT 28 2009
…FLASH FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
THURSDAY EVENING…
THE FLASH FLOOD WATCH CONTINUES FOR
* THE FOLLOWING COUNTIES IN NORTH CENTRAL TEXAS…BELL…
BOSQUE…COLLIN…COOKE…CORYELL…DALLAS…DENTON…ELLIS…
FALLS…FANNIN…FREESTONE…GRAYSON…HILL…HUNT…JOHNSON…
KAUFMAN…LIMESTONE…MCLENNAN…NAVARRO…ROCKWALL AND
TARRANT. IN NORTHEAST TEXAS…ANDERSON…DELTA…HENDERSON…
HOPKINS…LAMAR…LEON…RAINS AND VAN ZANDT. IN SOUTH CENTRAL
TEXAS…MILAM AND ROBERTSON.
* FROM LATE TONIGHT THROUGH THURSDAY EVENING
* A COLD FRONT AND UPPER LEVEL LOW PRESSURE SYSTEM ARE EXPECTED TO
IMPACT NORTH TEXAS BEGINNING LATE TONIGHT AND CONTINUE THROUGH
THURSDAY. THERE IS A POTENTIAL FOR HEAVY RAINFALL WITH THIS
SYSTEM ESPECIALLY IF STORMS SLOW THEIR EASTWARD PROGRESSION. THE
SOIL IS STILL SATURATED FROM PREVIOUS HEAVY RAINFALL THIS PAST
WEEK AND ANOTHER 1 TO 2 INCHES OF RAIN WILL LIKELY CAUSE FLASH
FLOODING PROBLEMS.
* SOME AREA RIVERS…STREAMS AND CREEKS REMAIN SWOLLEN FROM
RECENT HEAVY RAINFALL. ADDITIONAL RUNOFF FROM EXPECTED
RAINFALL WILL LIKELY LEAD TO MORE FLOODING ACROSS NORTH TEXAS.
PRECAUTIONARY/PREPAREDNESS ACTIONS…
A FLASH FLOOD WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR HEAVY
RAIN WHICH MAY LEAD TO FLASH FLOODING. YOU SHOULD MONITOR THE
LATEST FORECASTS FROM THE NATIONAL WEATHER SERVICE AND BE
PREPARED TO TAKE ACTION SHOULD FLASH FLOOD WARNINGS BE ISSUED FOR
YOUR AREA.

DAY 2 CONVECTIVE OUTLOOK
NWS STORM PREDICTION CENTER NORMAN OK
1227 PM CDT WED OCT 28 2009
VALID 291200Z - 301200Z
…THERE IS A SLGT RISK OF SVR TSTMS ACROSS EASTERN PORTIONS OF
OK/TX TO THE LOWER MS RIVER VALLEY…
…SYNOPSIS…
AS A LONGWAVE TROUGH CONTINUES TO EVOLVE/BIFURCATES OVER THE
WESTERN/CENTRAL STATES ON THURSDAY…LEAD BRUNT OF THE UPPER TROUGH
SHOULD EJECT NORTHEASTWARD OVER THE CENTRAL PLAINS TOWARD THE UPPER
MIDWEST BY THE END OF THE PERIOD…WHILE A SOUTHERN SPLIT DEVELOPS
OVER THE SOUTHERN ROCKIES AND NORTHERN MEXICO. MUCH OF THE DEEP
CONVECTIVE/SEVERE POTENTIAL FOR THE PERIOD WILL BE TIED TO AN
INCREASINGLY MOIST/UNSTABLE AIRMASS ALONG/AHEAD OF AN EAST-SOUTHEAST
ADVANCING COLD FRONT…WHICH WILL CROSS THE CENTRAL/SOUTHERN PLAINS
DURING THE DAY AND REACH THE LOWER/MIDDLE MS RIVER VALLEY EARLY
FRIDAY.
…EASTERN PORTIONS OK/TX TO LOWER/MIDDLE MS RIVER VALLEY/OZARKS…
AS AROUND 70 F SURFACE DEWPOINTS CONTINUE TO DEVELOP NORTHWARD
ACROSS THE WESTERN GULF/LOWER TX COAST THIS
AFTERNOON/EVENING…STEADY INFLUX ON A MARITIME AIRMASS MAY
CONTRIBUTE TO A SPATIALLY BROAD/PERHAPS FULL PERIOD SEVERE POTENTIAL
ON THURSDAY ACROSS THE EASTERN PORTIONS OF OK/TX TO THE LOWER MS
RIVER VALLEY. INITIALLY…ONGOING SHOWERS/TSTMS…LIKELY IN THE FORM
OF A BROKEN SQUALL LINE…WILL LIKELY BE PREVALENT AT THE BEGINNING
OF THE PERIOD ALONG/AHEAD OF THE COLD FRONT THAT SHOULD GENERALLY
PARALLEL THE I-35 CORRIDOR OF OK/TX THURSDAY MORNING. WITH SOLID 60S
F SURFACE DEWPOINTS LIKELY TO ALREADY BE IN PLACE EARLY IN THE
DAY…VERY STRONG DEEP LAYER SHEAR ACCENTUATED BY 50+ KT SOUTHERLY
FLOW AROUND 1 KM SUGGESTS THAT A MORNING DAMAGING WIND/TORNADO
THREAT IS A DISTINCT POSSIBILITY WITH EMBEDDED SUPERCELLS/LEWPS
POSSIBLE PENDING THE EVOLUTION OF THE OVERNIGHT/EARLY MORNING SQUALL
LINE.
SUCH A SEVERE THREAT MAY CONTINUE TO SPREAD EASTWARD DURING THE DAY
ATTENDANT TO THE ONGOING SQUALL LINE…WITH A GROWING CONCERN
DIURNALLY FOR THE POSSIBILITY OF ADDITIONAL MORE
QUASI-DISCRETE/LEADING SUPERCELLULAR DEVELOPMENT ACROSS THE WARM
SECTOR ACROSS EAST TX AND THE ADJACENT ARKLATEX VICINITY. EVEN WITH
LIMITED LARGE SCALE HEIGHT FALLS ACROSS THE SABINE RIVER
VICINITY/LOWER MS RIVER VALLEY AND INCREASINGLY UNIDIRECTIONAL WIND
PROFILES…AND UNCERTAINTY REGARDING THE EXTENT OF WARM SECTOR DEEP
CONVECTIVE DEVELOPMENT…ANY QUASI-DISCRETE PRE-MCS/SQUALL LINE
DEVELOPMENT THAT OCCURS MAY EFFICIENTLY EXHIBIT LOW LEVEL ROTATION
GIVEN 200-400 MS/S2 OF 0-1 KM SRH IN THE PRESENCE OF 70+ F SURFACE
DEWPOINTS.
FARTHER NORTH…IT APPEARS THE NORTHERN EXTENT OF AN APPRECIABLE
SURFACE BASED SEVERE THREAT WILL BE LIMITED BY A COOL/STABLE AIRMASS
TOWARD THE OZARKS/MIDDLE MS RIVER VALLEY VICINITY.