Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 24, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Apr 26, 1990, 12:17 PM CDT for Colorado County, Texas. It was in force for 58 min.
The area
The counties it named.
The facts
- Issued
- Apr 26, 1990, 12:17 PM CDT (17:17 UTC)
- Expired
- Apr 26, 1990, 1:15 PM CDT
- In force
- 58 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Colorado County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 12:00Z, 5.3 hours before the alert went out and 325 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
- 447 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 642 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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.
In the hours before
Special weather statement, Apr 26, 7:51 AM CDT, 4 hours 26 minutes before
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</html>Special weather statement, Apr 26, 9:32 AM CDT, 2 hours 45 minutes before
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</html>Special weather statement, Apr 26, 11:40 AM CDT, 37 minutes before
TXZ047-049-037-032-046-045-046-261845- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 1138 AM CDT THU APR 26 1990 ...A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR WESTERN COLORADO COUNTY UNTIL 1215 PM CDT THIS AFTERNOON... ...A TORNADO WATCH IS IN EFFECT FOR MOST OF SOUTHEAST TEXAS AND A PORTION OF SOUTH CENTRAL TEXAS UNTIL 6 PM THIS EVENING... ...A FLASH FLOOD WATCH REMAINS IN EFFECT FOR MOST OF SOUTHEAST AND A PORTION OF SOUTH CENTRAL TEXAS... WEATHER SERVICE RADAR AND SATELLITE DATA INDICATED A SEVERE THUNDERSTO MOVING INTO THE WESTERN PORTION OF COLORADO COUNTY. THIS SEVERE THUNDERSTORM IS IN A LINE OF INCREASING THUNDERSTORMS THAT EXTENDED FROM NEAR COLLEGE STATION SOUTHWESTWARD TO NEAR CORPUS CHRISTI. THE LINE OF INCREASING STORMS WAS MOVING TO THE EAST AT NEAR 15 MPH. INDICATIONS ARE THAT THUNDERSTORMS WILL INCREASE MORE RAPIDLY TO SEVERE LEVELS OVER THE NEXT SEVERAL HOURS AND SEVERE THUNDERSTORMS COULD FORM IN WHARTON AND AUSTIN COUNTIES WITHIN THE NEXT ONE TO TWO HOURS. THIS STRONG TO SEVERE THUNDERSTORM ACTIVITY WILL BE ACCOMPANIED BY VERY HEAVY RAINFALL...AND LOCAL STREET AND SMALL STREAM FLOODING IS POSSIBLE WITHIN AN HOUR OR TWO FOLLOWING THE ONSET OF HEAVY RAIN. REMAIN ALERT...LISTEN CAREFULLY TO YOUR COMMERCIAL RADIO AND TELEVISION STATIONS OR YOUR NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND WARNINGS ON THIS POTENTIALLY DANGEROUS WEATHER.
Special weather statement, Apr 26, 12:15 PM CDT, 2 minutes before
TXZ047-049-037-032-046-045-261915- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON TX 1214 PM CDT THU APR 26 1990 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR COLORADO COUNTY UNTIL 1215 PM AND WILL LIKELY BE EXTENDED... ...A TORNADO WATCH CONTINUES IN EFFECT FOR MOST OF SOUTHEAST TEXAS AND A PORTION OF SOUTH CENTRAL TEXAS UNTIL 6 PM THIS EVENING... ...A FLASH FLOOD WATCH REMAINS IN EFFECT ALSO... ...STRONG POSSIBLY SEVERE THUNDERSTORMS AND HEAVY RAINFALL WITH A POTENTIAL TO CAUSE LOCAL URBAN FLOODING EXPECTED IN THE GREATER HOUSTON AREA BY 2 PM THIS AFTERNOON... RADAR INDICATES THE MOST INTENSE THUNDERSTORMS...POSSIBLY PRODUCING SEVERE WEATHER...OVER COLORADO COUNTY. THOSE INTENSE THUNDERSTORMS ARE IN A LINE OF INCREASING THUNDERSTORMS EXTENDING FROM NEAR COLLEGE STATION SOUTHWESTWARD OVER VICTORIA TO NEAR CORPUS CHRISTY. THE LINE OF STORMS WAS MOVING TO THE EAST AT 15 MPH. DAMAGING WINDS...HAIL...HEAVY RAINFALL CAUSING LOCAL FLOODING...AND IN LIGHTING ARE ALL POSSIBLE FROM HIS THUNDERSTORM ACTIVITY. LISTEN FOR THE LATEST STATEMENTS AND WARNINGS ON YOUR COMMERCIAL RADIO AND TELEVISION STATIONS OR YOUR NOAA WEATHER RADIO AND BE PRXEPARED TO MOVE TO A PLACE OF SAFETY IF A WARNING IS ISSUED FOR YOUR AREA OR THREATENNG WEATHER IS SIGHTED.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 11:14 AM CDT | Severe Thunderstorm Warning | HGX | Colorado | 61 min |
| Apr 26, 1:46 PM CDT | Severe Thunderstorm Warning | HGX | Fort Bend, Harris | 59 min |
| Apr 26, 3:42 PM CDT | Severe Thunderstorm Warning | HGX | Chambers, Galveston | 2 hr |
| Apr 26, 3:57 PM CDT | Tornado Warning | HGX | Chambers | 33 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990
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.