Alert archive / Texas / Severe Thunderstorm Warnings in 2003
Severe Thunderstorm Warning 17, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at Feb 25, 2003, 4:17 AM CST for Harris County, Waller County, Texas. It was in force for 43 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
- Feb 25, 2003, 4:17 AM CST (10:17 UTC)
- Expired
- Feb 25, 2003, 5:00 AM CST
- In force
- 43 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
Counties Harris County, TX, Waller County, TX
The radar
The Houston radar (KHGX), 78 km from the middle of the area, began a volume at 10:18 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
Lake Charles Mun, LA (KLCH), launched 00:00Z, 10.3 hours before the alert went out and 241 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
- 1 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 877 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 Feb 25, 3:38 AM CST, 39 minutes earlier.
Area forecast discussion, Feb 25, 3:38 AM CST, 39 minutes before
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</html>Hazardous weather outlook, Feb 24, 10:00 PM CST, 6 hours 17 minutes before
TXZ163-164-176>179-195>200-210>214-226-227-235>238-251300- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 1000 PM CST MON FEB 24 2003 ...WINTER WEATHER ADVISORY IN EFFECT FOR NORTHERN AND WESTERN PORTIONS OF SOUTHEAST TEXAS... THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST TEXAS. .DAY ONE...TONIGHT. A WINTER WEATHER ADVISORY IS IN EFFECT FOR NORTHERN AND WESTERN PORTIONS OF SOUTHEAST TEXAS GENERALLY ALONG AND NORTH OF A LINE FROM COLUMBUS TO BRENHAM TO HUNTSVILLE TO GROVETON. FREEZING RAIN IS POSSIBLE ACROSS THE ADVISORY AREA OVERNIGHT...MAINLY BETWEEN MIDNIGHT AND 8 AM. THE GROUND IS STILL FAIRLY WARM DUE TO THE RECENT WARM WEATHER SO ICE ACCUMULATIONS SHOULD BE 1/4 INCH OR LESS. ELEVATED STRUCTURES SUCH AS BRIDGES AND OVERPASSES WILL BE MORE PRONE TO ICE ACCUMULATION...MAKING TRAVEL POTENTIALLY TREACHEROUS. FURTHER SOUTH...PRECIPITATION WILL BE IN THE FORM OF RAIN. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. FOR TUESDAY...FREEZING RAIN WILL BE POSSIBLE IN THE ADVISORY AREA UNTIL MID MORNING WHEN TEMPERATURES WARM ABOVE FREEZING. WEDNESDAY THROUGH SUNDAY...NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 25, 3:37 AM CST | Severe Thunderstorm Warning | HGX | Austin, Waller | 38 min |
| Feb 25, 5:18 AM CST | Severe Thunderstorm Warning | HGX | Harris | 42 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; radar from the NEXRAD Level II archive.