Alert archive / Texas / Severe Thunderstorm Warnings in 2004
Severe Thunderstorm Warning 62, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 24, 2004, 3:58 AM CDT for Colorado County, Jackson County, Wharton County, Texas. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Apr 24, 2004, 3:58 AM CDT (08:58 UTC)
- Expired
- Apr 24, 2004, 4:45 AM CDT
- In force
- 47 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
Counties Colorado County, TX, Jackson County, TX, Wharton County, TX
The radar
The Houston radar (KHGX), 134 km from the middle of the area, began a volume at 08:59 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 24, 12:50 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
| Apr 24, 3:45 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 9.0 hours before the alert went out and 194 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
- 2567 J/kg
- Mixed-layer CIN
- -20 J/kg
- Mixed-layer LCL
- 663 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 2.3
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 Apr 23, 8:45 PM CDT, 7 hours 13 minutes earlier.
Area forecast discussion, Apr 23, 8:45 PM CDT, 7 hours 13 minutes before
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</html>Hazardous weather outlook, Apr 23, 3:32 PM CDT, 12 hours 26 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 332 PM CDT FRI APR 23 2004 TXZ163-164-176>179-195>200-210>214-226-227-235>238-241200- AUSTIN-BRAZORIA-BRAZOS-BURLESON-CHAMBERS-COLORADO-FORT BEND-GALVESTON- GRIMES-HARRIS-HOUSTON-JACKSON-LIBERTY-MADISON-MATAGORDA-MONTGOMERY- POLK-SAN JACINTO-TRINITY-WALKER-WALLER-WASHINGTON-WHARTON- 332 PM CDT FRI APR 23 2004 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS. .DAY ONE...REMAINDER OF THIS AFTERNOON AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. FOR SATURDAY AND SUNDAY...AN UPPER LEVEL LOW PRESSURE SYSTEM NEAR THE FOUR CORNERS REGION THIS AFTERNOON WILL MOVE NORTHEAST INTO THE CENTRAL PLAINS SATURDAY MORNING. A COLD FRONT OVER OKLAHOMA WILL MOVE SOUTH AND SHOULD MOVE INTO THE DALLAS AREA EARLY SATURDAY AFTERNOON. VERY RICH GULF MOISTURE WILL MOVE INTO SOUTHEAST TEXAS ON SATURDAY. AN UPPER LEVEL DISTURBANCE WILL MOVE INTO THE AREA FROM THE SOUTHWEST AND WILL COMBINE WITH DAYTIME HEATING TO DESTABILIZE THE ATMOSPHERE AND LEAD TO THE DEVELOPMENT OF THUNDERSTORMS. STORMS WILL LIKELY BE MOVING NORTH THROUGH THE REGION SATURDAY DURING THE DAY...THEN A CLUSTER OF STORMS WILL ACCOMPANY THE FRONT SATURDAY EVENING AND EARLY SUNDAY MORNING. THE COLD FRONT WILL MOVE SLOWLY THROUGH THE AREA AND SHOULD REACH THE COAST AROUND NOON SUNDAY THOUGH THE HEAVY RAINFALL WILL HAVE SHIFTED TO THE EAST BY THEN. LOCALLY HEAVY RAINFALL IS POSSIBLE LATE SATURDAY MORNING OR EARLY SATURDAY AFTERNOON THROUGH EARLY SUNDAY MORNING. RAINFALL TOTALS FOR THIS EVENT ARE EXPECTED TO AVERAGE 1 TO 3 INCHES. ISOLATED AMOUNTS IN EXCESS OF 4 INCHES WILL BE POSSIBLE IN THE STRONGER STORMS OR WHERE TRAINING DEVELOPS. A FLOOD WATCH MAY BE ISSUED ON SATURDAY MORNING. AT THIS TIME...IT APPEARS THAT HEAVY RAINFALL WILL BE THE PRIMARY WEATHER THREAT WITH THIS EVENT. HOWEVER...STRONG TO SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS AND HAIL MAY ALSO DEVELOP. THE STORM SYSTEM SHOULD EXIT SOUTHEAST TEXAS LATE SUNDAY MORNING AS HIGH PRESSURE BUILDS INTO THE AREA. FOR MONDAY THROUGH WEDNESDAY...MILD WEATHER WILL BE ON TAP. FOR THURSDAY...A QUICK SURGE OF MOISTURE INTO THE AREA AS ANOTHER UPPER LEVEL STORM SYSTEM MOVES BY TO THE NORTH MAY BRING A ROUND OF POTENT THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED ON SATURDAY AND SATURDAY NIGHT.
In the hours before
Special weather statement, Apr 24, 2:03 AM CDT, 1 hour 55 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 103 AM CST SAT APR 24 2004 TXC015-041-051-089-185-239-473-477-481-241100- BRAZOS-GRIMES-BURLESON-WASHINGTON-WALLER-AUSTIN-COLORADO-WHARTON- JACKSON- ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL 6 AM FOR BRAZOS... GRIMES...BURLESON...WASHINGTON...WALLER...AUSTIN...COLORADO... WHARTON AND JACKSON COUNTIES. THE STORM PREDICTION CENTER IN NORMAN OKLAHOMA HAS ISSUED A SEVERE THUNDERSTORM WATCH UNTIL 6 AM FOR PORTIONS OF SOUTHEAST TEXAS. A LINE OF STRONG TO SEVERE THUNDERSTORMS OVER SOUTH CENTRAL TEXAS WILL BE MOVING EASTWARD INTO THE AREA THIS MORNING. THESE STORMS ARE EXPECTED TO REACH SOUTHEAST TEXAS BETWEEN 3 AND 4 AM. THE AIR MASS ACROSS SOUTHEAST TEXAS IS VERY MOIST AND UNSTABLE...AND LOW TO MID LEVEL WINDS ARE VERY STRONG. THIS IS CREATING A FAVORABLE ENVIRONMENT FOR SEVERE THUNDERSTORMS. STAY TUNED TO YOUR LOCAL RADIO OR TELEVISION STATION...NOAA WEATHER RADIO...OR VISIT OUR WEB SITE AT WWW.SRH.NOAA.GOV/HGX FOR MORE INFORMATION.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 24, 3:35 AM CDT | Special Marine Warning | HGX | 115 min | |
| Apr 24, 5:26 AM CDT | Severe Thunderstorm Warning | HGX | Matagorda | 49 min |
| Apr 24, 8:07 AM CDT | Special Marine Warning | HGX | 83 min | |
| Apr 24, 9:45 AM CDT | Special Marine Warning | HGX | 90 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2004Every severe thunderstorm warning in 2004
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; radar from the NEXRAD Level II archive.