Alert archive / Texas / Tornado Warnings in 1990

Tornado Warning 2, NWS San Angelo, TX

May 11, 1990Tom Green County, Texas

NWS San Angelo, TX issued this tornado warning at May 11, 1990, 6:10 PM CDT for Tom Green County, Texas. It was in force for 65 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 11, 1990, 6:10 PM CDT (23:10 UTC)
Expired
May 11, 1990, 7:15 PM CDT
In force
65 min
Issued by
NWS San Angelo, TX
Area
Whole counties

County 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

TimeReportWhereRemark
May 11, 6:13 PM CDTThunderstorm Wind 51Tom 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

Midland Regional, TX (KMAF), launched 12:00Z, 11.2 hours before the alert went out and 175 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.

Skew-T log-pSkew-T log-p diagram, Midland Regional, TX at 12:00Z on 1990-05-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 12:00Z on 1990-05-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
864 m above ground
0-6 km bulk shear
57 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KSJT 112311
TORSJT
TXC451-120015-
 
BULLETIN - EBS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SAN ANGELO TX
610 PM CDT FRI MAY 11 1990
 
THE NATIONAL WEATHER SERVICE IN SAN ANGELO HAS ISSUED A
TORNADO WARNING EFFECTIVE UNTIL  715 PM CDT
FOR PEOPLE IN THE FOLLOWING COUNTIES
 
IN SOUTHWEST TEXAS
 
   ...EASTERN TOM GREEN COUNTY
 
AT 605 PM CDT A TORNADO WAS REPORTED IN GRAPE CREEK...UNROOFING A
HOUSE. THE THUNDERSTORM THAT WAS ASSOCIATED WITH THE TORNADO WAS
MOVING EAST AT 30 MPH.
 
PERSONS IN EASTERN TOM GREEN COUNTY SHOULD WATCH FOR THREATENING
WEATHER AND GO TO COVER IMMEDIATLEY IF IT APPROACHES.
 
 
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDINGV.  AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH
OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

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 11, 3:42 PM CDT, 2 hours 28 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, 2 hours 10 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 32 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, 1 hour 12 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.
Special weather statement, May 11, 5:44 PM CDT, 26 minutes before
TXZ012-015-019-024-029-030-120230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ABILENE TX
540 PM CDT FRI MAY 12 1990

A TORNADO WATCH REMAINS IN EFFECT FOR ALL THE BIG COUNTRY UNTIL
10 OCLOCK THIS EVENING.

AT 530 PM CDT A AREA OF THUNDERSTORMS EXTENDED FROM NEAR ABILENE TO
BALLINGER TO WEST OF SAN ANGELO TO STERLING CITY TO NEAR ROBERT LEE.
STRONG GUSTY WIND...SMALL HAIL AND DANGEROUS LIGHTNING CAN BE
EXPECTED NEAR THESE STORMS.

MOVEMENT WAS NORTHEAST AT 25 MPH.

PERSONS CLOSE TO THIS AREA OF STORMS...AND IN THE WATCH AREA...SHOULD
STAY ALERT FOR THREATENING WEATHER AND BE READY TO TAKE IMMEDIATE
ACTION IF SEVERE WEATHER IS SIGHTED OR REPORTED. STAY TUNED TO RADIO...
TV OR N.OAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION.

The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 11, 5:41 PM CDTSevere Thunderstorm WarningSJTIrion, Tom Green64 min
May 11, 5:57 PM CDTSevere Thunderstorm WarningSJTRunnels63 min
May 11, 6:59 PM CDTSevere Thunderstorm WarningSJTRunnels61 min

Nearby

Tornado Warnings in Texas, 1990Every tornado warning in 1990Tornadoes 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.