Alert archive / Texas / Tornado Warnings in 1991
Tornado Warning 4, NWS San Angelo, TX
NWS San Angelo, TX issued this tornado warning at May 3, 1991, 4:37 PM CDT for McCulloch County, Texas. It was in force for 53 min.
The area
The counties it named.
The facts
- Issued
- May 3, 1991, 4:37 PM CDT (21:37 UTC)
- Expired
- May 3, 1991, 5:30 PM CDT
- In force
- 53 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County McCulloch County, TX
The nearest sounding before it
Stephenville/Cla, TX (KSEP), launched 12:00Z, 9.6 hours before the alert went out and 164 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
- 2305 J/kg
- Mixed-layer CIN
- -106 J/kg
- Mixed-layer LCL
- 718 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 236 m²/s²
- Significant tornado parameter
- 1.9
- Supercell composite
- 13.9
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 tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, May 3, 11:12 AM CDT, 5 hours 25 minutes before
TXZ029-034-031715- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 1111 AM CDT FRI MAY 3 1991 ...THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR MASON AND MCCULLOCH COUNTIES OF THE CONCHO VALLEY UNTIL 300 PM CDT THIS AFTERNOON... AT 1059 AM CDT...SAN ANGELO RADAR INDICATED A STRONG THUN DERSTORM LOCATED IN SAN SABA AND LLANO COUNTIES JUST TO THE EAST OF THE CONCHO VALLEY. A FEW ISOLATED SHOWERS WERE LOCATED IN THE EDEN AND FT MCKAVETT AREAS AS WELL. ALL ACTIVITY WAS MOVING TO THE EASTNORTH- EAST AT 30 MILES AN HOUR. THE THUNDERSTORM IN SAN SABA AND LLANO COUNTIES PRODUCED PEA TO MARBLE SIZE HAIL AT PONTOTOC ALONG WITH GUSTY WINDS AND VERY HEAVY RAIN AS IT MOVED THROUGH NORTHERN MASON COUNTY LAST HOUR. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS IN OR CLOSE TO THE AREA AND ALSO THAT SEVERE THUNDERSTORMS SOMETIMES PRODUCE TORNADOES...OFTEN WITHOUT WARNING...SO REMAIN ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS.
Special weather statement, May 3, 1:09 PM CDT, 3 hours 28 minutes before
TXZ012-015-019-024-029-030-051900- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABILENE TX 110 PM CDT FRI MAY 3 1991 ...A TORNADO WATCH IS IN EFFECT UNTIL 800 PM CDT FOR THE FOLLOWING BIG COUNTRY COUNTIES. THROCKMORTON SHACKELFORD TAYLOR CALLAHAN COLEMAN AND BROWN. AT 105 PM THUNDERSTORMS WERE SCATTERED OVER THE EASTERN BIG COUNTRY ALONG AND TO THE EAST OF A BRONTE TO ABILENE TO THROCKMORTON LINE. IN THE BIG COUNTRY THE HEAVIEST RAIN WAS LOCATED JUST SOUTH OF ALBANY... AND MOVING INTO SOUTHERN BROWN COUNTY. THUNDERSTORMS WILL LIKELY INTENSIFY AND POSSIBLY BECOME SEVERE LATER THIS AFTERNOON AND EVENING. BIG COUNTRY RESIDENTS IN AND NEAR THE WATCH AREA SHOULD BE ON THE ALERT FOR THREATENEING WEATHER AND LISTEN FOR LATER STATEMENTS OR POSSIBLE WARNINGS.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 7:33 PM CDT | Severe Thunderstorm Warning | SJT | Schleicher, Sutton | 57 min |
| May 2, 8:27 PM CDT | Severe Thunderstorm Warning | SJT | Coke | 48 min |
| May 3, 1:09 PM CDT | Severe Thunderstorm Warning | SJT | Runnels | 66 min |
| May 3, 1:18 PM CDT | Tornado Warning | SJT | Runnels | 57 min |
| May 3, 2:38 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch | 67 min |
| May 3, 2:47 PM CDT | Tornado Warning | SJT | McCulloch | 58 min |
| May 3, 3:45 PM CDT | Severe Thunderstorm Warning | SJT | McCulloch | 60 min |
Nearby
Tornado Warnings in Texas, 1991Every tornado warning in 1991Tornadoes in 1991
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.