Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 28, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Mar 23, 2001, 10:42 PM CST for Haskell County, Texas. It was in force for 78 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
- Mar 23, 2001, 10:42 PM CST (04:42 UTC)
- Expired
- Mar 24, 2001, 12:00 AM CST
- In force
- 78 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Haskell 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 |
|---|---|---|---|
| Mar 23, 8:15 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 00:00Z, 4.7 hours before the alert went out and 256 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
- 438 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 2439 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 89 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
049 WUUS54 KSJT 240442 SVRSJT TXC207-240600- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 1042 PM CST FRI MAR 23 2001 THE NATIONAL WEATHER SERVICE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... HASKELL COUNTY IN NORTH CENTRAL TEXAS * UNTIL MIDNIGHT CST * AT 1038 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 21 MILES NORTHWEST OF RULE...OR ABOUT 24 MILES NORTH OF ASPERMONT...MOVING SOUTH AT 20 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... RULE AT 1130 PM CST SAGERTON AT 1145 PM CST THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAINFALL. MOVE INTO A STURDY BUILDING AND STAY AWAY FROM WINDOWS. LAT...LON 3356 10000 3351 10021 3299 10005 3297 9972
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 San Angelo, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 23, 3:08 PM CST, 7 hours 34 minutes earlier.
Area forecast discussion, Mar 23, 3:08 PM CST, 7 hours 34 minutes before
WEST CENTRAL TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE SAN ANGELO TX 308 PM CST FRI MAR 23 2001 CAPPED ATMSOPHERE IS IN PLACE AT THE CURRENT TIME ACROSS WEST CENTRAL TEXAS. CONVECTIVE DEVELOPMENT IS TAKING PLACE HOWEVER OVER PORTIONS OF NM AND THE TX PANHANDLE. MEANWHILE 60+ DEWPOINTS ARE SURGING NORTHWARD INTO CENTRAL AND EASTERN TX. MAIN FOCUS FOR CONVECTION WILL BE ALONG ANY LOWER LEVEL BOUNDARIES OVER ROUGHLY THE NEXT 24 HOURS. MAY SEE A FEW WEAK DISTURBANCES WITHIN THE NORTHWESTERLY FLOW ADD TO THE PRECIPITATION THREAT BUT TIMING AND LOCATION OF THESE FEATURES WILL BE DIFFICULT TO PIN POINT. LATEST SURFACE ANALYSIS REVEALS AN INVERTED SURFACE TROUGH EXTENDING FROM NEAR DRT TO SPS. FURTHER NORTH...A COLD FRONT WITH MUCH COLDER TEMPERATURES BEHIND IT IS BEGINNING TO PUSH SOUTHWARD INTO KANSAS. THIS COLD FRONT WILL CONTINUE MOVING SOUTHWARD AND PUSH ACROSS THE AREA ON SATURDAY. AS A LLJ BEGINS TO BRING DEEPER MOISTURE ACROSS THE AREA THIS EVENING...THESE TWO BOUNDARIES WILL COMBINE WITH AN INCREASINGLY UNSTABLE AIRMASS. THE NET RESULT WILL BE A CHANCE OF THUNDERSTORMS THROUGH SATURDAY. SATURDAY NIGHT...CLOUDINESS WILL REMAIN IN PLACE BUT THE BETTER LIFT IN ASSOCIATION WITH THE PREVIOUSLY DISCUSSED BOUNDARIES WILL BE WELL TO THE SOUTH. WILL NEED TO INCLUDE A SLIGHT CHANCE OF SHRS HOWEVER AS WEAK IMPULSES WITHIN THE NORTHWESTERLY FLOW WILL STILL BE POSSIBLE. BY SUNDAY...THE RIDGE TO THE WEST BEGINS TO EXERT MORE OF AN INFLUENCE WITH SUBSIDENCE LIKELY IN THE LOWER LEVELS. FOR TEMPERATURES WILL LEAN TOWARD GUIDANCE TONIGHT. TOMORROW HOWEVER...GRAPHICAL SURFACE TEMPERATURE PROGS ARE CONSISTENT WITH SHOWING FALLING TEMPERATURES AFTER 18Z. WILL THEREFORE UNDERCUT GUIDANCE FOR MAXES. IN THE EXTENDED...THE MRF IS STILL TARGETING TUESDAY AND WEDNESDAY FOR THE NEXT CHANCE FOR PRECIP. AROUND WED 00Z...A POTENTIAL SURFACE TRIPLE POINT WITH A HIGH DEGREE OF SURFACE CONVERGENCE STILL LOOKS ON CUE. WITH A SOUTHWESTERLY UPPER LEVEL WIND FLOW ADDING TO THE MOISTURE DEPTH...WILL INSERT A SLIGHT CHANCE OF SHRS/TSTMS. THE SYSTEM WILL BE FOLLOWED BY A FROPA ON WEDNESDAY WITH COLDER AIR IN STORE FOR LATE IN THE WEEK. PRELIMS... ABI 051/056/039/058 452- SJT 054/063/042/063 342- JCT 056/068/045/065 342- .SJT...NONE. 21
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 10:56 PM CST | Tornado Warning | SJT | Haskell | 64 min |
| Mar 24, 12:35 AM CST | Severe Thunderstorm Warning | SJT | Haskell, Jones | 40 min |
| Mar 24, 12:36 AM CST | Severe Thunderstorm Warning | SJT | Sterling | 39 min |
| Mar 24, 12:49 AM CST | Severe Thunderstorm Warning | SJT | Callahan, Taylor | 41 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.