Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 41, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Mar 25, 2003, 9:20 PM CST for Brazos County, Burleson County, Texas. It was in force for 55 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Mar 25, 2003, 9:20 PM CST (03:20 UTC)
- Expired
- Mar 25, 2003, 10:15 PM CST
- In force
- 55 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
Counties Brazos County, TX, Burleson County, TX
Did it verify
Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.
Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 25, 8:45 PM CST | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 3.3 hours before the alert went out and 254 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 415 J/kg
- Mixed-layer CIN
- -201 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 270 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS54 KHGX 260320
SVRHOU
TXC041-051-260415-
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
919 PM CST TUE MAR 25 2003
THE NATIONAL WEATHER SERVICE IN LEAGUE CITY HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BRAZOS COUNTY IN SOUTHEAST TEXAS
BURLESON COUNTY IN SOUTHEAST TEXAS
* UNTIL 1015 PM CST
* AT 919 PM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 11
MILES NORTHWEST OF BRYAN...MOVING SOUTHEAST AT 25 MPH.
* LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...
WIXON VALLEY
BRYAN
COLLEGE STATION
WELLBORN
MILLICAN
MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR
BUSINESS. STAY AWAY FROM WINDOWS
THIS STORM MAY PRODUCE LARGE DAMAGING HAIL...RESULTING IN EXTENSIVE
PROPERTY DAMAGE OR SERIOUS INJURY. AVOID WINDOWS AND TAKE COVER NOW
PLEASE REPORT SEVERE WEATHER TO THE COUNTY SHERIFF...LOCAL POLICE...
OR DEPARTMENT OF PUBLIC SAFETY. THEY WILL RELAY YOUR REPORT TO THE
NATIONAL WEATHER SERVICE.
LAT...LON 3085 9635 3075 9646 3071 9658 3075 9664
3037 9636 3045 9610
$$What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Houston/Galveston, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 25, 9:05 PM CST, 15 minutes earlier.
Area forecast discussion, Mar 25, 9:05 PM CST, 15 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION...UPDATED
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
905 PM CST TUE MAR 25 2003
HAVE UPDATED THE ZONES FOR THE NEW SEVERE THUNDERSTORM WATCH THAT IS
IN EFFECT UNTIL 200 AM CST FOR AREAS GENERALLY ALONG AND WEST OF A
LINE FROM LIVINGSTON TO CONROE TO BROOKSHIRE TO PIERCE TO EDNA.
HARRIS COUNTY AND FORT BEND COUNTY ARE NOT IN THIS WATCH...BUT
SEVERE THUNDERSTORMS MAY GET VERY CLOSE TO THEM GENERALLY FROM
MIDNIGHT TO 200 AM.
.HGX...SVR TSTM WATCH ALONG AND WEST OF A LINE FROM LIVINGSTON TO
CONROE TO BROOKSHIRE TO PIERCE TO EDNA UNTIL 200 AM CST.
--------------------------------------------------------------------
.810 PM CST DISCUSSION...
CLOSELY WATCHING A LINE OF SEVERE THUNDERSTORMS SLOWLY APPROACHING
THE VERY WESTERN EDGE OF OUR COUNTY WARNING AREA. UPPER LEVEL LOW IS
NOW APPROACHING THE DEL RIO AREA...AND THIS FEATURE WILL ALLOW
SHOWERS AND THUNDERSTORMS TO MOVE INTO SOUTHEAST TEXAS AS THE REST
OF THE EVENING AND THE NIGHT PROGRESSES. DESPITE THE LOSS OF DAYTIME
HEATING...THE RISK OF SEVERE THUNDERSTORM CONTINUES...ESPECIALLY
ACROSS OUR FAR WESTERN COUNTIES IN THE NEXT FEW HOURS WITH LOW WET
BULB ZEROS PER 00Z AREA SOUNDINGS. A SEVERE THUNDERSTORM WATCH
REMAINS IN EFFECT FOR THE WESTERN PORTIONS OF SOUTHEAST TEXAS UNTIL
9 PM. LOCALLY HEAVY RAIN IS STILL EXPECTED TO DEVELOP ACROSS
PORTIONS OF SOUTHEAST TEXAS OVERNIGHT.
CURRENT ZONES LOOK GOOD. NO CHANGES WILL BE MADE AT THIS TIME.
FUTURE UPDATES MAY BE REQUIRED DEPENDING ON FUTURE WATCHES FROM SPC.
42/46/DH
PREVIOUS PRELIMS (NO CHANGES)...
CLL BU 053/071 049/080 058 820
IAH BU 056/072 050/079 059 840
GLS EU 061/068 060/073 064 750Hazardous weather outlook, Mar 25, 4:00 PM CST, 5 hours 20 minutes before
GMZ330-335-TXZ163-164-176>179-195>200-210>214-226-227-235>238-261300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 400 PM CST TUE MAR 25 2003 ...SLIGHT RISK OF SEVERE THUNDERSTORMS OVER SOUTHEAST TEXAS LATE THIS AFTERNOON AND NIGHT... ...LOCALLY HEAVY RAINFALL POSSIBLE ACROSS SOUTHEAST TEXAS TONIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS. .DAY ONE...TONIGHT AND WEDNESDAY. AN UPPER LEVEL STORM SYSTEM WILL APPROACH SOUTHEAST TEXAS FROM THE WEST TODAY. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP LATE THIS AFTERNOON OVER THE HILL COUNTRY AND MOVE SOUTHEAST TOWARD THE REGION. THE THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON THROUGH EARLY WEDNESDAY MORNING FOR SOUTHEAST TEXAS. THE PRIMARY SEVERE WEATHER THREAT WILL BE LARGE HAIL...WITH DAMAGING DOWNBURST WIND GUSTS ALSO POSSIBLE. SHOWERS AND THUNDERSTORMS WILL BECOME MORE NUMEROUS AND SPREAD OVER THE REST OF SOUTHEAST TEXAS THIS EVENING. LOCALLY HEAVY RAINFALL IS POSSIBLE ACROSS ALL OF SOUTHEAST TEXAS TONIGHT. RAINFALL AMOUNTS OVERNIGHT WILL AVERAGE 1/2 TO 1 INCH WITH ISOLATED TOTALS OF NEAR 3 INCHES POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH MONDAY. SHOWERS AND THUNDERSTORMS ARE EXPECTED AGAIN ON FRIDAY AS A STRONG CANADIAN COLD FRONT MOVES THROUGH THE AREA. SOME THUNDERSTORMS COULD BE STRONG. IN ADDITION LOW TEMPERATURES SUNDAY MORNING COULD BE IN THE MID 30S ACROSS THE NORTHERN PORTIONS OF THE AREA. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS LIKELY AFTER 6 PM TONIGHT THROUGH 9 AM.
In the hours before
Special weather statement, Mar 25, 3:45 PM CST, 5 hours 35 minutes before
TXZ163-176-195>198-210-211-260300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 345 PM CST TUE MAR 25 2003 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE WESTERN PORTIONS OF SOUTHEAST TEXAS UNTIL 900 PM CST... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 900 PM CST FOR THE FOLLOWING COUNTIES...HOUSTON...MADISON... BRAZOS...GRIMES...BURLESON...WASHINGTON...AUSTIN AND COLORADO. A SLOW MOVING COLD AT 330 PM STRETCHED FROM NEAR SHERMAN TO DALLAS TO JUNCTION. SHOWERS AND THUNDERSTORMS WERE DEVELOPING ALONG THE COLD FRONT NORTHEAST OF DALLAS. TEMPERATURES OVER THE HILL COUNTRY CLIMBED TO NEAR 80 DEGREES AND COMBINED WITH THE MOISTURE ACROSS THE EASTERN HILL COUNTRY THE THREAT OF SEVERE THUNDERSTORMS HAS INCREASED. THUNDERSTORMS ARE EXPECTED TO DEVELOP NEAR AUSTIN AND MOVE SOUTHEAST INTO THESE WATCH COUNTIES. SOME THUNDERSTORMS MAY BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL. THE STORMS COULD MOVE INTO THE WATCHED COUNTIES AS EARLY AS 6 PM THOUGH THE GREATER THREAT WOULD BE BETWEEN 7 AND 9 PM. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR LATER STATEMENTS CONCERNING THIS SEVERE THUNDERSTORM THREAT.
Special weather statement, Mar 25, 3:46 PM CST, 5 hours 34 minutes before
TXZ163-176-195>198-210-211-260300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 346 PM CST TUE MAR 25 2003 ...SEVERE THUNDERSTORM WATCH HAS BEEN ISSUED FOR THE WESTERN PORTIONS OF SOUTHEAST TEXAS UNTIL 900 PM CST... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 900 PM CST FOR THE FOLLOWING COUNTIES...HOUSTON...MADISON... BRAZOS...GRIMES...BURLESON...WASHINGTON...AUSTIN AND COLORADO. A SLOW MOVING COLD FRONT AT 300 PM STRETCHED FROM NEAR SHERMAN TO DALLAS TO JUNCTION. SHOWERS AND THUNDERSTORMS WERE DEVELOPING ALONG THE COLD FRONT NORTHEAST OF DALLAS. TEMPERATURES OVER THE HILL COUNTRY CLIMBED TO NEAR 80 DEGREES AND COMBINED WITH THE MOISTURE ACROSS THE EASTERN HILL COUNTRY THE THREAT OF SEVERE THUNDERSTORMS HAS INCREASED. THUNDERSTORMS ARE EXPECTED TO DEVELOP NEAR AUSTIN AND MOVE SOUTHEAST INTO THESE WATCH COUNTIES. SOME THUNDERSTORMS MAY BECOME SEVERE WITH DAMAGING WINDS AND LARGE HAIL. THE STORMS COULD MOVE INTO THE WATCHED COUNTIES AS EARLY AS 6 PM THOUGH THE GREATER THREAT WOULD BE BETWEEN 7 AND 9 PM. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. STAY TUNED TO NOAA WEATHER RADIO OR OTHER WEATHER NEWS SOURCES FOR LATER STATEMENTS CONCERNING THIS SEVERE THUNDERSTORM THREAT.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 10:04 PM CST | Severe Thunderstorm Warning | HGX | Grimes, Madison | 56 min |
| Mar 25, 10:17 PM CST | Severe Thunderstorm Warning | HGX | Brazos | 43 min |
| Mar 25, 11:27 PM CST | Severe Thunderstorm Warning | HGX | Jackson | 48 min |
| Mar 26, 12:20 AM CST | Special Marine Warning | HGX | 115 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2003Every severe thunderstorm warning in 2003
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.