Alert archive / Texas / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 37, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 27, 2002, 9:06 PM CDT for Houston County, Texas. It was in force for 39 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
- May 27, 2002, 9:06 PM CDT (02:06 UTC)
- Expired
- May 27, 2002, 9:45 PM CDT
- In force
- 39 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Counties, with a storm outline in the text
County Houston 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 |
|---|---|---|---|
| May 27, 6:00 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 2.1 hours before the alert went out and 211 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
- 2015 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1278 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 280206 SVRHOU TXC225-280245- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 905 PM CDT MON MAY 27 2002 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HOUSTON COUNTY IN SOUTHEAST TEXAS * UNTIL 945 PM CDT * AT 905 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 18 MILES WEST OF GRAPELAND...MOVING EAST AT 25 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... GRAPELAND MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. STAY AWAY FROM WINDOWS 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 3151 9599 3137 9584 3146 9518 3161 9530
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 May 27, 9:05 PM CDT, 1 minute earlier.
Area forecast discussion, May 27, 9:05 PM CDT, 1 minute before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 905 PM CDT MON MAY 27 2002 SHRA/TSTMS ALONG OUTFLOWS FROM STORMS TO OUR N CONTINUE ON A ESE TRACK AND MAY SKIRT ACROSS NRN PORIONS OF CWA IN THE NEXT COUPLE HOURS. CURRENTLY WATCHING A HEALTHY STORM ABOUT TO MOVE INTO NRN HOUSTON COUNTY. ANOTHER CLUSTER OF STORMS CURRENTLY IN WRN WILLIAMSON COUNTY MAY AFFECT NW PARTS OF CWA SHOULD THEY REMAIN INTACT. OVERALL DYNAMICS ARE FAIRLY WEAK AND WITH THE LOSS OF HEATING...WOULD ANTICIPATE A GENERAL WEKENING TREND. WILL LET THE ZONES RIDE FOR ANOTHER HOUR OR TWO BEFORE UPDATING. .HGX...SVR TSTM WATCH TXZ163-164-176-177-195>199 TILL MIDNIGHT. 47/43/39 PRELIMS... CLL BE 070/091 071/088 070 323 IAH BB 071/090 070/089 070 -11 GLS BB 075/084 075/084 075 -11
In the hours before
Special weather statement, May 27, 5:59 PM CDT, 3 hours 7 minutes before
TXZ163-164-176-177-195>199-280500- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 559 PM CDT MON MAY 27 2002 ...SEVERE THUNDERSTORM WATCH IN EFFECT UNTIL MIDNIGHT FOR THE NORTHWESTERN PART OF SOUTHEAST TEXAS... THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHEAST TEXAS VALID UNTIL MIDNIGHT. COUNTIES INCLUDED IN THE WATCH ARE: BRAZOS...BURLESON...GRIMES...HOUSTON... MADISON...MONTGOMERY...TRINITY...WALKER AND WASHINGTON COUNTIES. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS 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 TO NOAA WEATHER RADIO OR OTHER MEDIA OUTLETS FOR LATER STATEMENTS AND POSSIBLE WARNINGS. STAY TUNED TO NOAA WEATHER RADIO...LOCAL TV AND RADIO STATIONS...OR ON THE INTERNET AT WEATHER.GOV FOR THE LATEST FORECASTS...STATEMENTS... AND POSSIBLE WARNINGS.
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 2:59 PM CDT | Special Marine Warning | HGX | 2 hr | |
| May 28, 3:10 PM CDT | Severe Thunderstorm Warning | HGX | Harris | 35 min |
| May 28, 4:40 PM CDT | Special Marine Warning | HGX | 110 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning in 2002
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.