Alert archive / Texas / Severe Thunderstorm Warnings in 1991
Severe Thunderstorm Warning 430, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Aug 14, 1991, 12:12 AM CDT for McLennan County, Texas. It was in force for 63 min.
The area
The counties it named.
The facts
- Issued
- Aug 14, 1991, 12:12 AM CDT (05:12 UTC)
- Expired
- Aug 14, 1991, 1:15 AM CDT
- In force
- 63 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County McLennan County, TX
The nearest sounding before it
Stephenville/Cla, TX (KSEP), launched 00:00Z, 5.2 hours before the alert went out and 113 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
- 1550 J/kg
- Mixed-layer CIN
- -2 J/kg
- Mixed-layer LCL
- 716 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 178 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KACT 140513 SVRACT TXC309-140615- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE WACO TX 1212 AM CDT WED AUG 14 1991 THE NATIONAL WEATHER SERVICE IN WACO TX HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 115 AM CDT FOR PEOPLE IN THE FOLLOWING LOCATIONS... IN NORTH CENTRAL TEXAS ...MCLENNAN COUNTY AT 12:08 AM A SEVERE THUNDERSTORM WAS INDICATED BY RADAR JUST WEST OF CHINA SPRING IN NORTHWEST MCLENNAN COUNTY. THE STORM WAS MOVING SOUTH AT 20 MPH. WHEN THUNDERSTORMS ARE OCCURRING...PEOPLE SHOULD MOVE INSIDE A STRONG BUILDING. DO NOT STAND BY WINDOWS. DON'T USE TELEPHONES OR ELECTRICAL APPLIANCES UNLESS IN AN EMERGENCY UNTIL THE STORM HAS PASSED. MOTORISTS SHOULD NOT DRIVE INTO LOW WATER CROSSINGS.
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, Aug 13, 9:50 PM CDT, 2 hours 22 minutes before
TXZ031-140340- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WACO TX 945 PM CDT TUE AUG 13 1991 AT 929 PM CDT THE STATIONARY FRONT OVER NORTH TEXAS WAS ON THE MOVE AGAIN. COUPLED WITH AN UPPER LEVEL LOW PRESSURE TROUGH MOVING OUT OF WEST TEXAS... THUNDERSTORMS WERE ON THE INCREASE. THUNDERSTORMS WITH HEAVY RAIN WERE NOTED FROM NEAR GLEN ROSE TO EASTERN ELLIS COUNTY AND ALSO ISOLATED OVER NAVARRO AND FREESTONE COUNTIES NEAR CORSICANA AND NORTH OF TEAGUE. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR AND WERE MOVING INTO NORTHERN HILL AND BOSQUE COUNTIES. STAY TUNED TO THIS STATION FOR FURTHER STATEMENTS AND BE PREPARED TO TAKE QUICK ACTION IF A WARNING BECOMES NECESSARY. 05
Special weather statement, Aug 13, 10:26 PM CDT, 1 hour 46 minutes before
TXZ019>033-DDHHMM- SPECIAL WEATHER AND FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 1025 PM CDT TUE AUG 13 1991 HEAVY RAINS HAVE BEEN DEVELOPING ACROSS THE SOUTHERN PORTIONS OF THE DALLAS/FT. WORTH METROPLEX TONIGHT. THE RAIN CELLS WERE MOVING TOWARD THE SOUTHEAST AT AROUND 20 MILES AN HOUR. AT 1015 PM THE HEAVIEST RAINS WERE OCCURRING IN SOUTHERN JOHNSON AND SOUTHWEST ELLIS COUNTIES. CURRENT TRENDS IN THE WEATHER PATTERN SUGGESTS THAT THE AREAS AFFECTED BY HEAVY RAINS WILL BE TOO SMALL TO ISSUE A FLASH FLOOD WATCH. HOWEVER...THE NATIONAL WEATHER SERVICE WILL CONTINUE TO CLOSELY WATCH CRITICAL AREAS AND WILL ISSUE FLASH FLOOD WARNINGS SHOULD CONDITIONS WARRANT.
Special weather statement, Aug 13, 10:44 PM CDT, 1 hour 28 minutes before
TXZ031-140430- URBAN AND SMALL STREAM FLOOD STATEMENT NATIONAL WEATHER SERVICE WACO TX 1035 PM CDT TUE AUG 13 1991 AT 1032 PM CDT THUNDERSTORMS WITH OCCASIONALLY VERY HEAVY RAIN HAVE MOVED INTO NORTHERN HILL COUNTY FROM 10 MILES WEST OF ITASCA TO 10 MILES EAST OF HILLSBORO. THE THUNDERSTORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR. FLOODING AND PONDING OF LOW AREAS...CULVERTS...CITY STREETS AND SMALL STREAMS COULD BECOME A PROBLEM AS THUNDERSTORMS MOVE ACROSS CENTRAL TEXAS TONIGHT. MOTORISTS ARE REMINDED NOT TO CROSS FLOODED ROADWAYS...ESPECIALLY WHERE WATER IS MOVING. IT ONLY TAKES TWO FEET OF WATER TO FLOAT A CAR...SO PLEASE BE AWARE. STAY TUNED TO THIS STATION FOR FURTHER STATEMENTS AND BE PREPARED TO TAKE QUICK ACTION IF A WARNING BECOMES NECESSARY. 05
Special weather statement, Aug 13, 11:28 PM CDT, 44 minutes before
TXZ031-140530- URBAN AND SMALL STREAM FLOOD STATEMENT NATIONAL WEATHER SERVICE WACO TX 1127 PM CDT TUE AUG 13 1991 AT 1124 PM CDT THUNDERSTORMS WITH OCCASIONALLY VERY HEAVY RAIN WERE OCCURRING FROM 5 MILES SOUTHWEST OF MERIDIAN TO CORSICANA. THE THUNDERSTORMS WERE MOVING SOUTH AT 25 MILES AN HOUR. FLOODING AND PONDING OF LOW AREAS...CULVERTS...CITY STREETS AND SMALL STREAMS COULD BECOME A PROBLEM AS THUNDERSTORMS MOVE ACROSS CENTRAL TEXAS TONIGHT. MOTORISTS ARE REMINDED NOT TO CROSS FLOODED ROADWAYS...ESPECIALLY WHERE WATER IS MOVING. IT ONLY TAKES TWO FEET OF WATER TO FLOAT A CAR...SO PLEASE BE AWARE. STAY TUNED TO THIS STATION FOR FURTHER STATEMENTS AND BE PREPARED TO TAKE QUICK ACTION IF A WARNING BECOMES NECESSARY. 05
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 1:05 AM CDT | Flash Flood Warning | FWD | Brown, Coleman | 4 hr |
| Aug 14, 1:45 AM CDT | Flash Flood Warning | FWD | Anderson, Freestone | 6 hr |
| Aug 14, 1:48 AM CDT | Flash Flood Warning | FWD | Hill, Limestone, McLennan | 4 hr |
| Aug 14, 2:49 AM CDT | Flash Flood Warning | FWD | Cherokee | 5 hr |
| Aug 14, 7:36 AM CDT | Flash Flood Warning | FWD | Anderson, Cherokee | 3 hr |
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; the sounding from the Mesonet's radiosonde archive.