Alert archive / Texas / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 11, NWS San Angelo, TX
NWS San Angelo, TX issued this severe thunderstorm warning at May 11, 1990, 5:41 PM CDT for Irion County, Tom Green County, Texas. It was in force for 64 min. 2 reports 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 11, 1990, 5:41 PM CDT (22:41 UTC)
- Expired
- May 11, 1990, 6:45 PM CDT
- In force
- 64 min
- Issued by
- NWS San Angelo, TX
- Area
- Whole counties
Counties Irion County, TX, Tom Green County, TX
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 11, 6:02 PM CDT | Thunderstorm Wind 53 | Tom Green, TX | |
| May 11, 6:13 PM CDT | Thunderstorm Wind 51 | Tom Green, 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, 10.7 hours before the alert went out and 266 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 961 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 263 m²/s²
- 0-3 km storm-relative helicity
- 493 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
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.
In the hours before
Special weather statement, May 11, 3:42 PM CDT, 1 hour 59 minutes before
TXZ012-015-019-024-029-030-112330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABILENE TX 340 PM CDT FRI MAY 11 1990 A TORNADO WATCH IS IN EFFECT FOR ALL THE BIG COUNTRY UNTIL 10 OCLOCK THIS EVENING. AT 330 PM CDT ISOLATED THUNDERSTORMS AND SHOWERS WERE DEVELOPING SOUTHWEST OF ABILENE...NEAR WINTERS...AND ON SOUTHWEST TO NEAR SAN ANGELO. SCATTERED RAINSHOWERS WERE ALSO DEVELOPING NEAR COMANCHE. MOVEMENT WAS EAST-NORTHEAST AT 25 MPH.` PERSONS IN OR CLOSE TO THE TORNADO WATCH AREA SHOULD STAY ALERT FOR DEVELOPING WEATHER AND STAY TUNED TO RADIO...TV OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION AND POSSIBLE WARNINGS.
Special weather statement, May 11, 4:00 PM CDT, 1 hour 41 minutes before
TXZ017-029-034-018-112200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 359 PM CDT FRI MAY 11 1990 THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WATCH FOR A LARGE PART OF THE CONCHO VALLEY FROM 4 PM CDT UNTIL 1000 PM CDT THIS FRIDAY EVENING. THE CONCHO VALLEY COUNTIES EFFECTED ARE...COKE... CONCHO...IRION...KIMBLE...MCCULLOCH...MASON...MENARD...RUNNELS... SCHLEICHER...STERLING...SUTTON AND TOM GREEN. THUNDERSTORMS HAVE STARTED UP IN THE CONCHO VALLEY LATE THIS AFTERNOON. AT 350 PM CDT RADAR SHOWED A DEVELOPING STORM OVER THE MIDDLE CONCHO RIVER...NORTH OF MERTZON...IN NORTHEAST IRION COUNTY. ALSO A SHOWER WAS LOCATED OVER THE HARRIET AREA SOUTHWEST OF MILES AND A SMALL THUNDERSTORM WAS MOVING OUT OF RUNNELS COUNTY NEAR BRADSHAW. THE PRECIPITATION WAS MOVING NORTHEAST AT 30 MPH. REMEMBER...A TORNADO WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR THE FORMATION OF THUNDERSTORMS WHICH COULD PRODUCE TORNADOES IN AND NEAR THE WATCH AREA. THESE THUNDERSTORMS MAY ALSO PRODUCE DAMAGING WINDS AND LARGE HAIL. PERSONS IN AND NEAR THE WATCH AREA SHOULD WATCH FOR SIGNS OF THREATENING WEATHER AND TAKE COVER IF IT APPROACHES. STAY TUNED FOR THE LATEST WEATHER INFORMATION.
Special weather statement, May 11, 4:38 PM CDT, 1 hour 3 minutes before
TXZ012-015-019-024-029-030-120030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ABILENE TX 440 PM CDT FRI MAY 11 1990 A TORNADO WATCH IS IN EFFECT FOR ALL THE BIG COUNTRY UNTIL 10 OCLOCK THIS EVENING. AT 430 PM CDT A THUNDERSTORM WITH HEAVY RAIN AND DANGEROUS LIGHTNING WAS LOCATED SOUTHWEST OF ABILENE...NEAR TUSCOLA. ANOTHER THUNDERSTORM WAS CENTERED JUST NORTH OF SAN ANGELO. MOVEMENT OF THE STORMS IN THE BIG COUNTRY WAS NORTHEAST AT 25 MPH. PERSONS IN OR CLOSE TO THE WATCH AREA SHOULD REMAIN ALERT FOR APPROACHING THUNDERSTORMS AND STAY TUNED TO RADIO...TV OR NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION AND POSSIBLE WARNINGS.
Special weather statement, May 11, 4:58 PM CDT, 43 minutes before
TXZ016-017-029-034-018-112300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SAN ANGELO TX 457 PM CDT FRI MAY 11 1990 THE TORNADO WATCH FOR A LARGE PART OF THE CONCHO VALLEY CONTINUES IN EFFECT UNTIL 1000 PM CDT THIS EVENING. THUNDERSTORMS ARE MOVING INTO THE WESTERN CONCHO VALLEY. THESE THUNDERSTORMS WERE LOCATED ALONG A DRY LINE THAT HAS ENTERED REAGAN AND CROCKETT COUNTIES. AT 440 PM CDT RADAR INDICATED SHOWERS AND THUNDERSTORMS FROM NEAR STILES...IN REAGAN COUNTY...SOUTHWEST THROUGH RANKIN AND ACROSS EXTREME NORTHWEST CROCKETT COUNTY AND ON WEST OF THE PECOS RIVER. THE STRONGEST STORM WAS NEAR THE COMMUNITY OF STILES. THE THUNDERSTORMS WERE MOVING NORTHEAST AT 30 MPH. PERSON IN REAGAN COUNTY...PARTICULARLY FROM STILES NORTHWARD...SHOULD KEEP AN EYE ON THESE THUNDERSTORMS. THE STRONG STORMS WILL LIKELY PRODUCE BRIEF HEAVY RAIN...GUSTY WIND...DANGEROUS LIGHTNING...AND POSSIBLY HAIL. ELSEWHERE...A SMALL THUNDERSTORM WAS LOCATED IN NORTHERN TOM GREEN COUNTY MOVING NORTHEAST AT 30 MPH. PERSONS IN OR NEAR THE WATCH AREA SHOULD ALSO KEEP A WATCH FOR SIGNS OF HAZARDOUS WEATHER AND TAKE COVER IMMEDIATELY IF THEATENING CONDITIONS APPROACH. STAY TUNED FOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS San Angelo, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 5:57 PM CDT | Severe Thunderstorm Warning | SJT | Runnels | 63 min |
| May 11, 6:10 PM CDT | Tornado Warning | SJT | Tom Green | 65 min |
| May 11, 6:59 PM CDT | Severe Thunderstorm Warning | SJT | Runnels | 61 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1990Every severe thunderstorm warning in 1990
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.