Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 192, NWS Fort Worth, TX

June 21, 2001Erath County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jun 21, 2001, 6:45 PM CDT for Erath County, Texas. It was in force for 30 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
Jun 21, 2001, 6:45 PM CDT (23:45 UTC)
Expired
Jun 21, 2001, 7:15 PM CDT
In force
30 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

County Erath County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 94 km from the middle of the area, began a volume at 23:49 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 21, 7:00 PM CDTHail 1Dublin, 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.

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 11.8 hours before the alert went out and 109 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, Fort Worth, TX at 12:00Z on 2001-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 566 joules per kilogram.LCLLFCEL10008507005003002001001 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, Fort Worth, TX at 12:00Z on 2001-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -38 square meters per square second.1939Sfc1 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
566 J/kg
Mixed-layer CIN
-153 J/kg
Mixed-layer LCL
1284 m above ground
0-6 km bulk shear
7 kt
0-1 km storm-relative helicity
-38 m²/s²
0-3 km storm-relative helicity
19 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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.

NWS Fort Worth, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 21, 6:14 PM CDT, 31 minutes earlier.

Area forecast discussion, Jun 21, 6:14 PM CDT, 31 minutes before
AREA FORECAST DISCUSSION...UPDATED FOR AVIATION
NATIONAL WEATHER SERVICE FORT WORTH TX
614 PM CDT THU JUN 21 2001

...AVIATION DISCUSSION...
COLD FRONT HAS MOVED THROUGH METRO AIRPORTS...BUT SOME LINGERING
TSRA MAY CONTINUE TO AFFECT THE AREA THROUGH 01Z. AFTER THAT...SOME
LIMITED CHANCES FOR REDEVELOPMENT WITH NOCTURNAL LOW LEVEL JET...
BUT NOT ENOUGH FOR MENTION IN TAFS. CLEARING WILL BE RATHER QUICK
AFTER 02Z. KACT WILL HAVE LONGER PERIOD WITH TSRA CHANCES THIS
EVENING...WITH NORTHERLY FLOW FROM THUNDERSTORM OUTFLOW. FRONT
CONTINUES TO PUSH SOUTH OF ALL AIRPORTS BEFORE MIDNIGHT...WITH VFR
AND NORTHERLY FLOW MOST OF THE NEXT 24 HRS. 80

...325 PM PUBLIC DISCUSSION...
SCATTERED THUNDERSTORMS WERE FORMING ALONG A COLD FRONT WHICH
EXTENDED NEAR A SHERMAN...MINERAL WELLS...TO COMANCHE LINE.
FORECASTED CAPES INDICATE THAT STORMS SHOULD CONTINUE THROUGH THE
EVENING AND A FEW COULD PRODUCE SOME HAIL...HOWEVER...WEAK WINDS
ALOFT AND LITTLE SHEAR DOES NOT SUPPORT WIDE-SPREAD SEVERE STORMS.
EXPECT THUNDERSTORMS TO END FROM NORTH TO SOUTH TONIGHT AS DRIER AND
MORE STABLE AIR MOVES IN BEHIND THE FRONT.  BY FRIDAY MORNING THE
FRONT WILL BE SOUTH OF THE CWA AND THE UPPER RIDGE IN THE
SOUTHWESTERN U.S. WILL BEGIN TO BUILD EASTWARD. THIS RIDGE WILL
DOMINATE NORTH TEXAS THROUGH EARLY NEXT WEEK AND KEEP DRY CONDITIONS
AREA WIDE.

TEMPERATURES WILL BE SLIGHTLY COOLER FOR THE NEXT FEW NIGHTS WITH
DEW POINTS IN THE LOWER 60S.  AFTERNOON HIGHS WILL BE IN THE UPPER
80S FRIDAY AND SHOULD WARM TO AROUND 90 ON SATURDAY.

THE EXTENDED LOOKS DRY AND SEASONAL AS PER NOGAPS AND CANADIAN
MODELS.  MRF HINTS AT SOME RAIN CHANCES TUESDAY AND
WEDNESDAY...HOWEVER...FORECASTED WEAK EASTERLY WAVE LOOKS SUSPECT AT
THIS TIME.

DFW 66/88/66/92 2000 ACT 67/88/64/93 3000

.FWD...NONE. 79

In the hours before

Special weather statement, Jun 21, 1:50 PM CDT, 4 hours 55 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-212100-

HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS...UPDATED
NATIONAL WEATHER SERVICE FORT WORTH TX
150 PM CDT THU JUN 21 2001

SCATTERED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND TONIGHT
ALONG TWO BOUNDARIES. ONE BOUNDARY IS AN OUTFLOW BOUNDARY THAT
EXTENDED FROM DENTON...TO MINERAL WELLS...TO JUST NORTH OF BROWNWOOD
EARLY THIS AFTERNOON. THE OTHER BOUNDARY IS A COLD FRONT THAT
EXTENDED FROM EAST CENTRAL OKLAHOMA....TO SOUTH OF WICHITA FALLS.
THE FRONT WILL MOVE SOUTHEAST THROUGH THE REGION THIS AFTERNOON AND
TONIGHT. THE STORMS ARE NOT EXPECTED TO BECOME SEVERE. CLOUD TO
GROUND LIGHTNING AND WIND GUSTS UP TO 40 MPH WILL BE THE HAZARDOUS
WEATHER THREAT.
Special weather statement, Jun 21, 4:05 PM CDT, 2 hours 40 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-220200-

HAZARDOUS WEATHER OUTLOOK FOR NORTH TEXAS
NATIONAL WEATHER SERVICE FORT WORTH TX
405 PM CDT THU JUN 21 2001

A SOUTHWARD MOVING COLD FRONT WAS LOCATED NEAR A
SHERMAN...WEATHERFORD...TO COMANCHE LINE LATE THIS AFTERNOON.
SCATTERED THUNDERSTORMS WILL CONTINUE TO DEVELOP THIS EVENING ALONG
THE FRONT.  ALTHOUGH WIND SHEAR PROFILES ARE NOT OPTIMAL FOR SEVERE
STORM FORMATION...VERTICAL INSTABILITIES WILL BE STRONG ENOUGH FOR A
FEW THUNDERSTORMS TO REACH SEVERE LIMITS.  THE MAIN THREAT FROM
THESE STORMS WILL BE FROM HAIL UP TO ONE INCH IN DIAMETER...ALONG
WITH DAMAGING GUSTS OF WIND.

THE THREAT OF SEVERE WEATHER WILL END FROM NORTH TO SOUTH TONIGHT
ONCE DRIER AIR BEGINS TO FILTER IN BEHIND THE FRONT.

LIMITED SPOTTER ACTIVATION MAY BE NECESSARY SOUTHEAST OF A
SHERMAN...WEATHERFORD...TO EASTLAND LINE THROUGH 9 PM.

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 21, 3:17 PM CDTSevere Thunderstorm WarningFWDGrayson58 min
Jun 21, 3:24 PM CDTSevere Thunderstorm WarningFWDTarrant66 min
Jun 21, 3:37 PM CDTSevere Thunderstorm WarningFWDDenton53 min
Jun 21, 3:55 PM CDTSevere Thunderstorm WarningFWDParker50 min
Jun 21, 4:09 PM CDTSevere Thunderstorm WarningFWDFannin36 min
Jun 21, 4:31 PM CDTSevere Thunderstorm WarningFWDTarrant29 min
Jun 21, 4:34 PM CDTSevere Thunderstorm WarningFWDDenton41 min
Jun 21, 5:25 PM CDTSevere Thunderstorm WarningFWDHood50 min
Jun 21, 5:45 PM CDTSevere Thunderstorm WarningFWDRains, Van Zandt45 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001Every severe thunderstorm warning in 2001

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; radar from the NEXRAD Level II archive.