Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 362, NWS Fort Worth, TX

June 1, 1990Knox County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 1, 1990, 6:46 AM CDT for Knox County, Texas. It was in force for 44 min.

The area

The counties it named.

The facts

Issued
Jun 1, 1990, 6:46 AM CDT (11:46 UTC)
Expired
Jun 1, 1990, 7:30 AM CDT
In force
44 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Knox County, TX

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Stephenville/Cla, TX (KSEP), launched 00:00Z, 11.8 hours before the alert went out and 217 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, Stephenville/Cla, TX at 00:00Z on 1990-06-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3793 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Stephenville/Cla, TX at 00:00Z on 1990-06-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.193958Sfc1 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
3793 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1441 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
-18 m²/s²
Significant tornado parameter
-0.1
Supercell composite
-1.3

Open this sounding in Storm Lab

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, Jun 1, 2:49 AM CDT, 3 hours 57 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, Jun 1, 3:40 AM CDT, 3 hours 6 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, Jun 1, 5:49 AM CDT, 57 minutes before
TXZ031-011145-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
548 AM CDT FRI JUN 1 1990

...THUNDERSTORMS AND SHOWERS BEGINNING TO MOVE INTO NORTH CENTRAL
TEXAS...

THUNDERSTORMS AND SHOWERS THAT SPENT MOST OF THE NIGHT ROAMING
THROUGH THE WESTERN HALF OF NORTH TEXAS...ARE BEGINNING TO MOVE
INTO NORTH CENTRAL TEXAS.

AT 540 AM CDT THUNDERSTORMS AND SHOWER...SOME WITH HEAVY RAIN...
EXTENDED FROM DALLAS/FORT WORTH...SOUTHWEST...TO NEAR HAMILTON.

THESE THUNDERSTORMS AND SHOWERS WILL BE MOVING INTO WESTERN BOSQUE
AND CORYELL COUNTIES BY 700 AM CDT.

MOVEMENT WAS TO THE EAST 25 MILES AN HOUR.

STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS.

08

N
Special weather statement, Jun 1, 5:53 AM CDT, 53 minutes before
TXZ021>024>026-029>031-011200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
550 AM CDT FRI JUN 01 1990

AT 545 AM CDT...A LINE OF NUMEROUS THUNDERSTORMS WITH VERY HEAVY RAINSHOWERS
EXTENDED FROM THE RED RIVER BETWEEN SHERMAN AND PARIS...SOUTHWARD TO
FORT WORTH TO STEPHENVILLE TO COMANCHE AND SAN SABA.  MOVEMENT WAS GENERALLY
TO THE EAST AT 30 MILES AN HOUR.

THE STRONGER THUNDERSTORMS NOW OVER NORTHERN MILLS...SOUTHERN COMANCHE AND
WESTERN PARKER COUNTIES ARE CAPABLE OF PRODUCING LOCALLY HEAVY RAINS...
STRONG GUSTY SURFACE WINDS...DANGEROUS CLOUD TO GROUND LIGHTNING AND PERHAPS
SOME SMALL HAIL.

MOTORISTS ARE ADVISED TO EXERCISE CAUTION WHILE TRAVELLING IN OR THROUGH
THE RAINY AREAS IN NORTH TEXAS TODAY DUE TO WET AND SLICK ROADS.  ALSO...
HEAVY RAIN PRODUCING THUNDERSTORMS COULD CAUSE SOME MINOR STREET FLOODING.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS AND POSSIBLE WARNINGS
SHOULD CONDITIONS REQUIRE.
Special weather statement, Jun 1, 6:36 AM CDT, 10 minutes before
TXZ019>022-024>026-029>31-020600

SEVERE WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FT WORTH TX
630 AM CDT FRI JUN 1 1990

THERE IS A MODERATE RISK OF SEVERE THUNDERSTORMS TODAY AND TONIGHT
OVER THAT PART OF NORTH TEXAS GENERALLY WEST OF A WICHITA FALLS TO
ABILENE LINE.  THERE IS A SIGHT RISK OF SEVERE THUNDERSTORMS OVER THAT
PART OF NORTH TEXAS GENERALLY WEST OF A PARIS TO BELTON
LINE...EXCLUDING THE MODERATE RISK AREA.  THE THUNDERSTORMS COULD
PRODUCE LARGE HAIL...DAMAGING WINDS AND POSSIBLY TORNADOES.

AN UNSTABLE AIR MASS WILL CONTINUE OVER NORTH TEXAS TODAY AND TONIGHT
...WITH WARM MOIST AIR CONTINUING TO FLOW INTO THE AREA FROM THE
SOUTHEAST.  DAYTIME TEMPERATURES IN THE 90S WITH DEW POINT
TEMPERATURES IN THE 70S...WILL MAKE THE AIR OVER NORTH TEXAS VERY
UNSTABLE BY THIS EVENING.

THUNDERSTORMS SHOULD BE TRIGGERED TODAY IN WEST TEXAS...BY AN UPPER
AIR TROUGH THAT WILL MOVE OVER THE DRY LINE...ALSO LOCATED IN WEST
TEXAS.  THE DRY LINE SEPARATES DRY AIR IN THE WEST FROM MOIST AIR TO
THE EAST.  THUNDERSTORMS WILL QUICKLY FORM A SQUALL LINE ALONG AND
AHEAD OF THE DRY LINE.  ANOTHER AREA OF POSSIBLE DEVELOPMENT IS
INTERSECTION POINTS FROM SEVERAL THUNDERSTORM OUTFLOW BOUNDARIES THAT
RESULTED FROM LAST NIGHTS THUNDERSTORM ACTIVITY.

THE MAIN DYNAMICS FROM THE UPPER AIR TROUGH SHOULD SWEEP NORTHEASTWARD
INTO OKLAHOMA AND KANSAS TONIGHT.  AS THE TROUGH MOVES EASTWARD THIS
AFTERNOON AND TONIGHT...THE DRYLINE WILL TRACK EASTWARD INTO NORTH
TEXAS.  THE EASTWARD MOVEMENT OF THE DRYLINE AND ITS ASSOCIATED SQUALL
LINE INTO NORTH TEXAS WILL BE ENHANCED BY PRESSURE FALLS THIS
AFTERNOON ACROSS NORTH TEXAS CAUSED BY THE STRONG SURFACE HEATING.
LOW LEVEL SOUTHEASTERLY WINDS WILL BRING ABUNDANT MOISTURE INTO THE
SQUALL LINE COMPLEX.   THUS...SOME THUNDERSTORMS SHOULD BECOME SEVERE
DUE TO AMPLE LOW LEVEL MOISTURE CONVERGENCE AND A FAVORABLE UPPER
LEVEL WIND FIELD WHEN THEY MOVE ACROSS THE WESTERN AND CENTR5AL PART OF
NORTH TEXAS.

EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTER GROUPS IN THE WESTERN
1/3 OF NORTH TEXAS SHOULD EXPECT ACTIVATION BY LATE THIS AFTERNOON
AND THOSE IN THE CENTRAL 1/3 BY THIS EVENING.
Special weather statement, Jun 1, 6:37 AM CDT, 9 minutes before
TXZ031-011245-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE WACO TX
636 AM CDT FRI JUN 1 1990

...THUNDERSTORMS AND SHOWERS MOVING INTO NORTH CENTRAL TEXAS...

AT 630 AM CDT THUNDERSTORMS AND SHOWERS COVERED AN AREA BOUNDED BY
MINERAL WELLS...FORT WORTH...AND SAN SABA.

MOVEMENT WAS TO THE EAST 20 MILES AN HOUR.

THESE SHOWERS AND THUNDERSTORMS WILL BE IN WESTERN CORYELL COUNTY
BY 700 AM...AND ARE NOW ENTERING NORTHERN BOSQUE COUNTY.4

AS THESE SHOWERS MOVE THROUGH YOU CAN EXPECT GUSTY WINDS...DANGEROUS
LIGHTNING...BRIEF HEAVY RAINS...AND BRIEF FLOODING OF ROADWAYS...
LOW LYING AREAS.

STAY TUNED TO RADIO..TV OR NOAA WEATHER RADIO FOR FURTHER STATEMENTS.

08

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 31, 10:05 PM CDTSevere Thunderstorm WarningFWDFoard, Hardeman55 min
May 31, 11:30 PM CDTSevere Thunderstorm WarningFWDWilbarger60 min
May 31, 11:41 PM CDTSevere Thunderstorm WarningFWDWichita64 min
May 31, 11:44 PM CDTSevere Thunderstorm WarningFWDFisher61 min
Jun 1, 12:16 AM CDTFlash Flood WarningFWDKnox29 min
Jun 1, 12:16 AM CDTSevere Thunderstorm WarningFWDKnox29 min
Jun 1, 12:18 AM CDTSevere Thunderstorm WarningFWDHaskell57 min
Jun 1, 12:31 AM CDTSevere Thunderstorm WarningFWDBaylor59 min
Jun 1, 1:20 AM CDTSevere Thunderstorm WarningFWDTaylor55 min
Jun 1, 3:03 AM CDTSevere Thunderstorm WarningFWDEastland42 min
Jun 1, 3:58 AM CDTSevere Thunderstorm WarningFWDComanche62 min
Jun 1, 4:28 AM CDTSevere Thunderstorm WarningFWDPalo Pinto47 min
Jun 1, 7:25 AM CDTSevere Thunderstorm WarningFWDBaylor, Knox65 min
Jun 1, 7:35 AM CDTSevere Thunderstorm WarningFWDFoard55 min
Jun 1, 7:38 AM CDTSevere Thunderstorm WarningFWDStonewall67 min
Jun 1, 8:17 AM CDTSevere Thunderstorm WarningFWDHardeman, Wilbarger58 min
Jun 1, 9:11 AM CDTSevere Thunderstorm WarningFWDBaylor, Knox64 min
Jun 1, 9:36 AM CDTSevere Thunderstorm WarningFWDFoard69 min
Jun 1, 9:51 AM CDTSevere Thunderstorm WarningFWDStephens54 min
Jun 1, 10:23 AM CDTSevere Thunderstorm WarningFWDEastland52 min
Jun 1, 10:44 AM CDTSevere Thunderstorm WarningFWDStephens61 min
Jun 1, 11:43 AM CDTSevere Thunderstorm WarningFWDPalo Pinto62 min
Jun 1, 12:13 PM CDTSevere Thunderstorm WarningFWDStonewall62 min
Jun 1, 12:17 PM CDTSevere Thunderstorm WarningFWDParker, Wise43 min
Jun 1, 12:58 PM CDTSevere Thunderstorm WarningFWDTarrant62 min
Jun 1, 1:19 PM CDTSevere Thunderstorm WarningFWDDallas56 min
Jun 1, 1:32 PM CDTSevere Thunderstorm WarningFWDHood58 min
Jun 1, 1:46 PM CDTSevere Thunderstorm WarningFWDJohnson59 min
Jun 1, 2:29 PM CDTSevere Thunderstorm WarningFWDDallas, Rockwall61 min
Jun 1, 3:40 PM CDTSevere Thunderstorm WarningFWDKnox40 min
Jun 1, 4:14 PM CDTSevere Thunderstorm WarningFWDBaylor46 min
Jun 1, 4:37 PM CDTSevere Thunderstorm WarningFWDFisher, Scurry68 min
Jun 1, 5:04 PM CDTSevere Thunderstorm WarningFWDStonewall56 min
Jun 1, 5:43 PM CDTSevere Thunderstorm WarningFWDFisher62 min
Jun 1, 6:05 PM CDTSevere Thunderstorm WarningFWDKnox40 min
Jun 1, 6:17 PM CDTSevere Thunderstorm WarningFWDHaskell, Jones58 min
Jun 1, 6:18 PM CDTSevere Thunderstorm WarningFWDHaskell, Jones57 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; the sounding from the Mesonet's radiosonde archive.