Alert archive / Texas / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 21, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at May 3, 1991, 1:09 PM CDT for Runnels County, Texas. It was in force for 66 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 3, 1991, 1:09 PM CDT (18:09 UTC)
- Expired
- May 3, 1991, 2:15 PM CDT
- In force
- 66 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
County Runnels County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 3, 1:15 PM CDT | Tornado F0 | Runnels, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Stephenville/Cla, TX (KSEP), launched 12:00Z, 6.2 hours before the alert went out and 182 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KSJT 031812 SVRSJT TXC399-031915- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SAN ANGELO TX 109 PM CDT FRI MAY 3 1991 THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 215 PM CDT FOR PEOPLE IN THE FOLLOWING COUNTIES IN TEXAS ...SOUTHEASTERN RUNNELS COUNTY AT 108 PM CST RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES SOUTHEAST OF BALLINGER MOVING EAST AT 30 MPH. THIS THUNDERSTORM IS CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WIND. REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS. KEEP LISTENING FOR THE LATEST WEATHER INFORMATION.
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.
In the hours before
Special weather statement, May 3, 9:45 AM CDT, 3 hours 24 minutes before
TXZ017-029-034-031545- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 944 AM CDT FRI MAY 3 1991 ...THUNDERSTORMS DEVELOPING RAPIDLY IN THE SOUTHEASTERN CONCHO VALLEY THIS MORNING... AT 935 AM CDT...SAN ANGELO RADAR INDICATED THUNDERSTORMS AND SHOWERS IN AN AREA FROM NEAR BRADY AND ROCHELLE SOUTHWESTWARD TO NEAR ROCKSPRINGS. THE STROGEST THUNDERSTORMS WAS LOCATED IN MASON COUNTY BETWEEN HEXT AND MASON AND IN SOUTHERN MCCULLOCH COUNTY NEAR CAMP SAN SABA ALONG THE SAN SABA RIVER. THESE THUNDERSTORMS AND SHOWERS WERE MOVING TO THE NORTHEAST AND EAST AT 25 MILES AN HOUR. THESE THUNDERSTORMS AND SHOWERS DEVELOPED RAPIDLY AS THEY MOVED INTO THE SOUTHEASTERN CONCHO VALLEY THIS MORNING...WHERE A FLASH FLOOD WATCH IS IN EFFECT THROUGH TODAY FOR MASON...MENARD AND KIMBLE COUNTIES. THESE THUNDERSTORMS WILL LIKELY PRODUCE VERY HEAVY RAIN...HAIL... STRONG AND GUSTY WINDS...DANGEROUS LIGHTNING...AND SOME BRIEF FLOODING OF LOW LYING AREAS AND THOSE SPOTS THAT ARE NORMALLY FLOOD PRONE. PERSONS IN NORTHERN MASON AND IN THE VOCA AREA OF SOUTHEASTERN MCCULLOCH COUNTY SHOULD BE ALERT FOR RAPIDLY CHANGING WEATHER CONDITIONS. CONTINUE TO LISTEN TO NOAA WEATHER RADIOp AND LOCAL RADIO AND TV BROADCASTS FOR THE LATEST INFORMATION FROM YOUR NATIONAL WEATHER SERVICE.
Special weather statement, May 3, 11:12 AM CDT, 1 hour 57 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, 0 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, 1:18 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 |
| May 3, 4:37 PM CDT | Tornado Warning | SJT | McCulloch | 53 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1991Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.