Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 87, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 28, 2001, 4:55 AM CDT for Walker County, Texas. It was in force for 50 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
- May 28, 2001, 4:55 AM CDT (09:55 UTC)
- Expired
- May 28, 2001, 5:45 AM CDT
- In force
- 50 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties
County Walker County, TX
The nearest sounding before it
Lake Charles Mun, LA (KLCH), launched 00:00Z, 9.9 hours before the alert went out and 238 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
- 526 J/kg
- Mixed-layer CIN
- -175 J/kg
- Mixed-layer LCL
- 1100 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 98 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 280958 SVRHOU TXC471-281045- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 455 AM CDT MON MAY 28 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WALKER COUNTY IN SOUTHEAST TEXAS * UNTIL 545 AM CDT * AT 451 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM OVER MADISON COUNTY SOUTHEAST OF MADISONVILLE...MOVING SOUTHEAST AT 40 MPH. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... CRABBS PRAIRIE RIVERSIDE HUNTSVILLE MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. STAY AWAY FROM WINDOWS! DAMAGING WINDS CAN BE EXPEpCTED. LARGE HAIL IS ALSO POSSIBLE. 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.
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 28, 3:00 AM CDT, 1 hour 55 minutes earlier.
Area forecast discussion, May 28, 3:00 AM CDT, 1 hour 55 minutes before
SOUTHEAST TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 300 AM CDT MON MAY 28 2001 MCS CONTINUES TREK ACROSS NORTH TX BUT HAS BEGUN TO WEAKEN LAST HOUR OR SO. CURRENT TRENDS INDICATE THAT WEAKENED SYSTEM WILL PRIMARILY IMPACT NERN THIRD OF CWA BETWEEN 09Z AND 12Z. 00Z ETA/MESOETA PICKED UP ON MCS QUITE WELL BUT TOO SLOW ON FORWARD SPEED. OUTFLOW BOUNDARY FROM CONVECTION WILL LIKELY LINGER NEAR NRN ZONES TODAY AND COULD SERVE AS FOCUS FOR SCATTERED CONVECTION DURING THE DAY. MODEL SOUNDINGS SHOW CAPES OF AROUND 3000 AND PWS AROUND 1.5 INCHES OVER NERN ZONES TODAY. WILL PUT CHANCE POPS IN NRN ZONES TODAY AND LOW POPS FOR HOU AREA. FLAT MID LEVEL RIDGE BUILDS OVER SE TX THROUGH TUESDAY WITH FCST MODEL SOUNDINGS SHOWING SIGNIFICANT CAPPING BETWEEN 700 AND 900 MB OVER ALL BUT NERN ZONES. ANOTHER SEVERE MCS WILL DEVELOP THIS AFTN OVER TX PANHANDLE/WRN OK...TRACKING ACROSS RED RIVER VALLEY TNGT. MID LEVEL FLOW ACROSS ERN TX WILL BE WEAKER AND ATMOSPHERE MORE CAPPED THAN TONIGHT INDICATING LESS LIKELIHOOD THAT MCS WILL PROPAGATE TOWARD CWA. WILL PUT LOW POPS FOR NERN ZONES FOR TNGT/TUE FOR TSRA THAT COULD BRUSH THESE AREAS. 500 MB TROF MOVES ACROSS SRN PLAINS LATE TUE KEEPING PATTERN FAVORABLE FOR MCS ACTIVITY OVER NORTH TX TUE AFTN WHICH WILL HAVE TO BE MONITORED. SUMMER REGIME TAKES OVER NEXT FEW DAYS WITH TEMPS CLIMBING INTO 90S OVER ALL BUT COAST ACCOMPANIED BY HIGH HUMIDITY. FOR EXTENDED...LONG RANGE MODELS IN GOOD AGREEMENT ON UPPER LOW DEVELOPING OVER UPPER MS VALLEY THU/FRI ALLOWING ANOTHER COOL FRONT TO PUSH ACROSS TX. FRONT SHOULD STALL ACROSS SE TX OR ALONG COAST THU THROUGH SAT PROVIDING CHANCE FOR TSRA. ONSHORE FLOW RETURNS IN EARNEST LATE IN THE WEEKEND AS SFC LOW DEEPENS OVER THE PLAINS. 35/46/DH .HGX...SCEC FOR BAYS AND OFFSHORE. PRELIMS... CLL BB 094/071 092/072 092 311 NERN ZONES POPS 422 IAH BB 092/071 091/072 091 200 GLS BB 087/077 086/078 086 100
In the hours before
Special weather statement, May 28, 1:09 AM CDT, 3 hours 46 minutes before
TXZ163-164-281100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 109 AM CDT MON MAY 28 2001 ...SEVERE THUNDERSTORM WATCH FOR HOUSTON COUNTY AND TRINITY COUNTY UNTIL 600 AM... AN AREA OF SEVERE THUNDERSTORMS HAS JUST ENTERED NORTH TEXAS...AND WAS RACING SOUTHEAST AT NEARLY 50 MPH. THIS AREA OF THUNDERSTORMS IS AHEAD OF A VERY STRONG UPPER LEVEL DISTURBANCE...AND HAS A HISTORY OF PRODUCING WIND GUSTS BETWEEN 60 AND 80 MPH...AND LARGE HAIL. THE CURRENT MOVEMENT OF THESE STORMS WOULD BRING THEM INTO HOUSTON AND TRINITY COUNTIES AFTER ABOUT 400 AM. BE ALERT FOR THE POSSIBILITY OF SEVERE THUNDERSTORMS VERY LATE TONIGHT AND EARLY IN THE MORNING. @MOVE INSIDE AWAY FROM WINDOWS IF A STORM APPROACHES. END/46
The office that day
Everything else NWS Houston/Galveston, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 4:28 AM CDT | Severe Thunderstorm Warning | HGX | Houston, Madison | 47 min |
Nearby
Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001
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.