Alert archive / Texas / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 48, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 25, 2008, 10:58 PM CDT for Washington County, Texas. It was in force for 32 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 25, 2008, 10:58 PM CDT (03:58 UTC)
- Expired
- Apr 25, 2008, 11:30 PM CDT
- In force
- 32 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Storm-based polygon
County Washington County, TX
The radar
The Ft Hood radar (KGRK), 110 km from the middle of the area, began a volume at 03:58 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 nearest sounding before it
Corpus Christi, TX (KCRP), launched 00:00Z, 4.0 hours before the alert went out and 291 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
- 1723 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 588 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 20 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 0.8
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 25, 9:34 PM CDT, 1 hour 24 minutes earlier.
Area forecast discussion, Apr 25, 9:34 PM CDT, 1 hour 24 minutes before
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</html>Hazardous weather outlook, Apr 25, 3:39 PM CDT, 7 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 339 PM CDT FRI APR 25 2008 TXZ178-179-199-200-210>214-226-227-235>238-261300- AUSTIN-BRAZORIA-CHAMBERS-COLORADO-FORT BEND-GALVESTON-HARRIS- JACKSON-LIBERTY-MATAGORDA-MONTGOMERY-POLK-SAN JACINTO-WALLER- WHARTON- 339 PM CDT FRI APR 25 2008 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE SOUTHERN TWO-THIRDS OF SOUTHEAST TEXAS. .DAY ONE...TONIGHT A COLD FRONT WILL PUSH INTO THE NORTHERN THIRD OF SOUTHEAST TEXAS LATE TONIGHT. THIS FRONT MAY GENERATE SOME ISOLATED SHOWERS AND THUNDERSTORMS NORTH OF THE INTERSTATE 10 CORRIDOR. HOWEVER...THE SEVERE WEATHER THREAT SHOULD REMAIN NORTH OF THE AREA. .DAY TWO...SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAY THREE...SUNDAY A COLD FRONT WILL CROSS SOUTHEAST TEXAS ON SUNDAY. THIS FEATURE WILL COMBINE WITH A MOIST AND UNSTABLE AIRMASS TO PRODUCE A ROUND OF SHOWERS AND THUNDERSTORMS. AT THIS TIME...SEVERE WEATHER IS NOT ANTICIPATED DUE TO LIMITED INSTABILITY. HOWEVER...THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING GUSTY WINDS...SMALL HAIL...AND BRIEF HEAVY RAINFALL. RAINFALL AMOUNTS WILL AVERAGE 1/2 TO 1 INCH WITH ISOLATED TOTALS OF 1 TO 2 INCHES. .DAYS FOUR THROUGH SEVEN...MONDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. TXZ163-164-176-177-195>198-261300- BRAZOS-BURLESON-GRIMES-HOUSTON-MADISON-TRINITY-WALKER-WASHINGTON- 339 PM CDT FRI APR 25 2008 ...SLIGHT RISK OF SEVERE THUNDERSTORMS OVER THE NORTHERN THIRD OF SOUTHEAST TEXAS TONIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NORTHERN THIRD OF SOUTHEAST TEXAS. .DAY ONE...TONIGHT A COLD FRONT WILL PUSH INTO THE NORTHERN THIRD OF SOUTHEAST TEXAS LATE TONIGHT. SCATTERED SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG THE FRONT AS IT INTERACTS WITH A MOIST AND UNSTABLE AIRMASS IN PLACE. A FEW OF THE STORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE...MAINLY NORTH OF A LINE FROM BRENHAM TO HUNTSVILLE TO TRINITY. LARGE HAIL AND DAMAGING DOWNBURST WINDS WILL BE THE PRIMARY THREATS. THE PRIMARY TIME FRAME FOR THE SEVERE WEATHER THREAT WILL BE 9 PM THIS EVENING UNTIL 4 AM SATURDAY MORNING. SPOTTY RAINFALL AMOUNTS OF 1 TO 2 INCHES WILL BE POSSIBLE IN THE STRONGER STORMS. .DAY TWO...SATURDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAY THREE...LATE SATURDAY NIGHT AND SUNDAY A COLD FRONT WILL CROSS SOUTHEAST TEXAS ON SUNDAY. THIS FEATURE WILL COMBINE WITH A MOIST AND UNSTABLE AIRMASS TO PRODUCE A ROUND OF SHOWERS AND THUNDERSTORMS. THE STRONGER STORMS WILL BE CAPABLE OF PRODUCING GUSTY WINDS...SMALL HAIL...AND BRIEF HEAVY RAINFALL. A FEW STORMS WILL HAVE THE POTENTIAL TO BECOME SEVERE MAINLY LATE SATURDAY NIGHT. RAINFALL AMOUNTS WILL AVERAGE AROUND 1 INCH WITH ISOLATED TOTALS OF AROUND 2 INCHES. .DAYS FOUR THROUGH SEVEN...MONDAY THROUGH THURSDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS POSSIBLE LATER THIS EVENING.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 1:30 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria, Fort Bend, Wharton | 45 min |
| Apr 26, 1:48 AM CDT | Severe Thunderstorm Warning | HGX | Brazoria | 42 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008
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.