Alert archive / Texas / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 29, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at Mar 24, 2001, 12:35 AM CST for Haskell County, Jones County, Texas. It was in force for 40 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
- Mar 24, 2001, 12:35 AM CST (06:35 UTC)
- Expired
- Mar 24, 2001, 1:15 AM CST
- In force
- 40 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Haskell County, TX, Jones 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
Fort Worth, TX (KFWD), launched 00:00Z, 6.6 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
- 1395 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 103 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 3.8
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
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, 9 hours 27 minutes earlier.
Area forecast discussion, Mar 23, 3:08 PM CST, 9 hours 27 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, 10:42 PM CST | Severe Thunderstorm Warning | SJT | Haskell | 78 min |
| Mar 23, 10:56 PM CST | Tornado Warning | SJT | Haskell | 64 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.