Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 86, NWS Houston/Galveston, TX
NWS Houston/Galveston, TX issued this severe thunderstorm warning at May 28, 2001, 4:28 AM CDT for Houston County, Madison County, Texas. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- May 28, 2001, 4:28 AM CDT (09:28 UTC)
- Expired
- May 28, 2001, 5:15 AM CDT
- In force
- 47 min
- Issued by
- NWS Houston/Galveston, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Houston County, TX, Madison County, TX
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 28, 1:30 AM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 9.5 hours before the alert went out and 235 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
- 2794 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1283 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 48 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 7.9
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS54 KHGX 280929 SVRHOU TXC225-313-281015- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX 428 AM CDT MON MAY 28 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HOUSTON COUNTY IN SOUTHEAST TEXAS MADISON COUNTY IN SOUTHEAST TEXAS * UNTIL 515 AM CDT * AT 430 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES WEST OF AUSTONIO...MOVING SOUTHEAST AT 45 MPH. ANOTHER POTENTIALLY SEVERE STORM WAS OVER SOUTHWEST LEON COUNTY MOVING INTO MADISON COUNTY. * LOCATIONS IN THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... AUSTONIO MIDWAY MADISONVILLE MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. STAY AWAY FROM WINDOWS DAMAGING WINDS AND LARGE HAIL CAN BE EXPECTED. 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 3131 9573 3120 9591 3092 9568 3112 9546
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 28 minutes earlier.
Area forecast discussion, May 28, 3:00 AM CDT, 1 hour 28 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 19 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, 4:55 AM CDT | Severe Thunderstorm Warning | HGX | Walker | 50 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.