Alert archive / Texas / Tornado Warnings in 1991
Tornado Warning 3, NWS Fort Worth, TX
NWS Fort Worth, TX issued this tornado warning at Mar 21, 1991, 11:03 PM CST for Shackelford County, Texas. It was in force for 27 min.
The area
The counties it named.
The facts
- Issued
- Mar 21, 1991, 11:03 PM CST (05:03 UTC)
- Expired
- Mar 21, 1991, 11:30 PM CST
- In force
- 27 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Shackelford County, TX
The nearest sounding before it
Stephenville/Cla, TX (KSEP), launched 00:00Z, 5.1 hours before the alert went out and 131 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
- 1683 J/kg
- Mixed-layer CIN
- -46 J/kg
- Mixed-layer LCL
- 1841 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 271 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 8.7
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, Mar 21, 5:06 PM CST, 5 hours 57 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 505 PM CST THU MAR 21 1991 A TORNADO WATCH IS IN EFFECT FOR NORTH CENTRAL TEXAS UNTIL 900 PM CST AND INCLUDES THE CITIES OF SHERMAN...PARIS...DALLAS...FORT WORTH...STEPHENVILLE...MINERAL WELLS...PALO PINTO AND BROWNWOOD. AT 500 PM...WEATHER RADAR AT STEPHENVILLE INDICATED THUNDERSTORMS CONTINUING TO DEVELOP ACROSS THE NORTHWESTERN PORTIONS OF NORTH TEXAS IN A LINE FROM NEAR WICHITA FALLS TO JACKSBORO TO BRECKENRIDGE TO NEAR RISING STAR. THE STRONGEST STORMS WERE NEAR RISING STAR IN EASTLAND COUNTY. RADAR SIGNATURES INDICATE POSSIBLE SMALL HAIL WITH THIS STORM. THIS STORM WILL TRACK ACROSS SOUTHERN EASTLAND...NORTHERN COMANCHE AND NORTHERN ERATH COUNTY WITHIN THE NEXT HOUR. ALL STORMS WERE MOVING NORTHEAST AT 35 MILES AN HOUR. THE ATMOSPHERE ACROSS NORTH TEXAS REMAINS VERY UNSTABLE. THIS FACTOR COMBINED WITH FAVORABLE WIND SHEAR WILL CREATE A POTENTIAL FOR THUNDERSTORMS TO BECOME SEVERE. THUNDERSTORMS THAT DEVELOP IN NORTH TEXAS THIS AFTERNOON HAVE THE POTENTIAL TO PRODUCE LARGE HAIL...DANGEROUS LIGHTNING...HEAVY RAINS AND POSSIBLE TORNADOES. RESIDENTS...EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTERS SHOULD REMAIN ON ALERT FOR THREATENING WEATHER CONDITIONS THROUGH THIS EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 21, 5:40 PM CST, 5 hours 23 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 540 PM CST THU MAR 21 1991 A TORNADO WATCH CONTINUES IN EFFECT FOR NORTH CENTRAL TEXAS UNTIL 9 PM CST AND INCLUDES THE CITIES OF SHERMAN...PARIS...DALLAS...FORT WORTH...STEPHENVILLE...MINERAL WELLS...PALO PINTO AND BROWNWOOD. AT 535 PM...WEATHER RADAR AT STEPHENVILLE INDICATED THUNDERSTORMS SCATTERED IN A LINE FROM NEAR MONTAGUE TO SOUTHEAST OF GRAHAM TO PALO PINTO TO JUST EAST OF RISING STAR. THE STRONGEST STORM WAS LOCATED JUST EAST OF RISING STAR IN SOUTHERN EASTLAND COUNTY AND WILL MOVE ACROSS SOUTHERN EASTLAND...NORTHERN COMANCHE...AND NORTHERN ERATH COUNTY BETWEEN 535 AND 630 PM. ALL STORMS WERE MOVING NORTHEAST AT 40 MILES AN HOUR. ALTHOUGH THE STORMS OVER NORTH TEXAS CONTINUED TO REMAIN BELOW SEVERE LIMITS...CONDITIONS REMAIN FAVORABLE FOR THE SOME OF THE STORMS TO BECOME SEVERE LATER THIS EVENING AS A DRY LINE PUSHES INTO THE VERY UNSTABLE ATMOSPHERE ACROSS NORTH CENTRAL TEXAS. THUNDERSTORMS THAT DEVELOP IN NORTH TEXAS THIS AFTERNOON HAVE THE POTENTIAL TO PRODUCE LARGE HAIL...DANGEROUS LIGHTNING...HEAVY RAINS AND POSSIBLE TORNADOES. RESIDENTS...EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTERS SHOULD REMAIN ON ALERT FOR THREATENING WEATHER CONDITIONS THROUGH THIS EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 21, 9:36 PM CST, 1 hour 27 minutes before
TXZ019>033-220415- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 935 PM CST THU MAR 21 1991 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR MUCH OF NORTH CENTRAL TEXAS UNTIL 3 AM TOMORROW MORNING. THE WATCH INCLUDES THE CITIES OF DALLAS...FORT WORTH...SHERMAN...PARIS...MINERAL WELLS...PALO PINTO AND BROWNWOOD. AT 930 PM...NATIONAL WEATHER SERVICE RADAR AT STEPHENVILLE INDICATED A LINE OF STRONG THUNDERSTORMS FROM NEAR WICHITA FALLS SOUTHWEST TO NEAR ABILENE. THIS LINE WAS SHOWING LITTLE EASTWARD PROGRESS WHILE THE INDIVIDUAL STORMS WERE TRACKING NORTHEAST AT ABOUT 30 TO 35 MILES AN HOUR. THE LINE OF STORMS OVER THE WESTERN THIRD OF NORTH TEXAS HAD DEVELOPED ALONG A COLD FRONT. THESE STORMS WERE ALMOST PARALLEL TO SOUTHWESTERLY WINDS ALOFT AND AS A RESULT WERE SHOWING LITTLE EASTWARD PROGRESS. THIS SITUATION IS CONDUCIVE FOR HEAVY VERY HEAVY RAINFALL AMOUNTS IN AREAS AFFECTED BY THE STORMS AS STORMS TRACK REPEATEDLY OVER THE SAME AREA. THE COLD FRONT AND ASSOCIATED STORMS WILL DRIFT SLOWLY EAST DURING THE LATE NIGHT AND EARLY MORNING HOURS AS AN UPPER LEVEL LOW PRESSURE AREA MOVES SLOWLY EAST OUT OF THE SOUTHWEST UNITED STATES. HEAVY RAINFALL ASSOCIATED WITH THIS LINE OF STORMS COULD POSE A FLASH FLOOD THREAT TO NORTH CENTRAL AND NORTHEAST TEXAS DURING THE EARLY MORNING HOURS IF THE STORMS CONTINUE THEIR PRESENT SLOW EASTWARD PROGRESS. IT NOW APPEARS THAT THE GREATEST THREAT FROM THE THUNDERSTORMS MOVING ACROSS NORTH TEXAS APPEARS TO BE STRONG GUSTY WINDS...SMALL HAIL...AND VERY HEAVY RAIN WHICH COULD PRODUCE LOCAL FLASH FLOODING...HOWEVER AN ISOLATED TORNADO CANNOT BE RULED OUT. RESIDENTS...EMERGENCY MANAGEMENT OFFICIALS AND STORM SMPOTTERS SHOULD REMAIN ON ALERT FOR THREATENING WEATHER CONDITIONS THIS EVENING AND DURING THE EARLY MORNING HOURS. STAY TUNED TO NOAA WEATHER RADIO FOR LATER STATEMENTS AND POSSIBLE WARNINGS.
Special weather statement, Mar 21, 10:17 PM CST, 46 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Special weather statement, Mar 21, 10:41 PM CST, 22 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 6:32 PM CST | Tornado Warning | FWD | Cooke, Grayson | 28 min |
| Mar 21, 6:44 PM CST | Severe Thunderstorm Warning | FWD | Parker, Wise | 61 min |
| Mar 21, 7:23 PM CST | Severe Thunderstorm Warning | FWD | Cooke | 67 min |
| Mar 21, 7:27 PM CST | Severe Thunderstorm Warning | FWD | Nolan, Taylor | 63 min |
| Mar 21, 7:28 PM CST | Severe Thunderstorm Warning | FWD | Nolan, Taylor | 62 min |
| Mar 21, 8:02 PM CST | Severe Thunderstorm Warning | FWD | Shackelford, Throckmorton | 58 min |
| Mar 21, 8:02 PM CST | Severe Thunderstorm Warning | FWD | Jones | 58 min |
| Mar 21, 8:32 PM CST | Severe Thunderstorm Warning | FWD | Nolan, Taylor | 58 min |
| Mar 21, 8:40 PM CST | Severe Thunderstorm Warning | FWD | Archer, Young | 50 min |
| Mar 21, 9:23 PM CST | Severe Thunderstorm Warning | FWD | Clay | 67 min |
| Mar 21, 9:34 PM CST | Severe Thunderstorm Warning | FWD | Nolan, Taylor | 56 min |
| Mar 21, 9:56 PM CST | Tornado Warning | FWD | Taylor | 64 min |
| Mar 21, 10:25 PM CST | Severe Thunderstorm Warning | FWD | Callahan | 65 min |
| Mar 21, 10:59 PM CST | Severe Thunderstorm Warning | FWD | Eastland, Stephens | 61 min |
| Mar 21, 11:08 PM CST | Tornado Warning | FWD | Stephens | 67 min |
| Mar 21, 11:42 PM CST | Tornado Warning | FWD | Palo Pinto | 63 min |
| Mar 21, 11:48 PM CST | Severe Thunderstorm Warning | FWD | Young | 42 min |
| Mar 21, 11:59 PM CST | Severe Thunderstorm Warning | FWD | Jack | 46 min |
| Mar 22, 12:37 AM CST | Severe Thunderstorm Warning | FWD | Wise | 68 min |
| Mar 22, 12:42 AM CST | Severe Thunderstorm Warning | FWD | Young | 33 min |
| Mar 22, 12:44 AM CST | Severe Thunderstorm Warning | FWD | Jack | 31 min |
| Mar 22, 1:08 AM CST | Severe Thunderstorm Warning | FWD | Cooke | 52 min |
| Mar 22, 1:16 AM CST | Severe Thunderstorm Warning | FWD | Montague | 44 min |
| Mar 22, 1:45 AM CST | Severe Thunderstorm Warning | FWD | Grayson | 30 min |
| Mar 22, 2:00 AM CST | Severe Thunderstorm Warning | FWD | Cooke | 60 min |
| Mar 22, 6:07 AM CST | Severe Thunderstorm Warning | FWD | Collin, Hunt, Rockwall | 53 min |
| Mar 22, 6:23 AM CST | Tornado Warning | FWD | Hunt | 37 min |
| Mar 22, 9:10 AM CST | Severe Thunderstorm Warning | FWD | Morris, Titus | 35 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.