Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 20, NWS Fort Worth, TX

February 24, 2001Fannin County, Hunt County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Feb 24, 2001, 11:04 AM CST for Fannin County, Hunt County, Texas. It was in force for 56 min. 2 reports 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
Feb 24, 2001, 11:04 AM CST (17:04 UTC)
Expired
Feb 24, 2001, 12:00 PM CST
In force
56 min
Issued by
NWS Fort Worth, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Fannin County, TX, Hunt County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 143 km from the middle of the area, began a volume at 17:03 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
Feb 24, 11:15 AM CSTThunderstorm WindGreenville, TXA roof was damaged by high winds.
Feb 24, 11:41 AM CSTThunderstorm Wind 52 EBonham, TXA tree was blown down by high winds.

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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 24, 7:15 AM CSTTornado WatchSPC6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 5.1 hours before the alert went out and 126 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 2001-02-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1959 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 2001-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 364 square meters per square second.1939587897117136Sfc1 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
1959 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
668 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
364 m²/s²
0-3 km storm-relative helicity
481 m²/s²
Significant tornado parameter
4.6
Supercell composite
18.5

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 Feb 24, 10:04 AM CST, 1 hour earlier.

Area forecast discussion, Feb 24, 10:04 AM CST, 1 hour before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FORT WORTH TX
1004 AM CST SAT FEB 24 2001

QUICK UPDATE TO ZONES IN ORDER TO ADJUST POPS...SKY CONDITIONS
WESTERN AREAS...AND ADJUST POPS P A LITTLE ELSEWHERE.  WILL
UPDATE AGAIN LATER AS THE SQUALL LINE PROGRESSES EASTWARD.  75

.FTW...WIND ADVISORY AREAWIDE TODAY THROUGH 600 PM.

In the hours before

Local storm report, Feb 24, 10:15 AM CST, 49 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1015 AM CST SAT FEB 24 2001

TIME(CST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ...COUNTY LOCATION....

0950 AM    SPRINGTOWN                TX   WIND DAMAGE
02/24/01   PARKER                         A BARN WAS BLOWN OVER.
                                          REPORTED BY EOC.

0845 AM    10 NE JACKSBORO           TX   WIND DAMAGE
02/24/01   JACK                           A 50 FOOT RADIO TOWER
                                          (WITH GUYLINES) WAS
                                          BLOWN OVER.

0937 AM    CENTRAL CITY              TX   WIND DAMAGE
02/24/01   PALOPINTO                     TWO BARNS WERE BLOWN
                                          DOWN ALONG WITH POWER
                                          LINES.

1005 AM    7 W FORT WORTH            TX   WIND DAMAGE
02/24/01   TARRANT                        A ROOF WAS BLOWN OFF AN
                                          APARTMENT COMPLEX.

1009 AM    1 E MUENSTER              TX   WIND DAMAGE
02/24/01   COOKE                          POWER LINES WERE BLOWN
                                          DOWN.

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 23, 7:20 PM CSTFlash Flood WarningFWDParker115 min
Feb 24, 6:57 AM CSTSevere Thunderstorm WarningFWDFannin48 min
Feb 24, 8:39 AM CSTSevere Thunderstorm WarningFWDComanche51 min
Feb 24, 9:05 AM CSTSevere Thunderstorm WarningFWDMontague, Wise55 min
Feb 24, 9:27 AM CSTSevere Thunderstorm WarningFWDHood, Parker63 min
Feb 24, 9:42 AM CSTSevere Thunderstorm WarningFWDCooke48 min
Feb 24, 9:59 AM CSTSevere Thunderstorm WarningFWDTarrant61 min
Feb 24, 10:07 AM CSTSevere Thunderstorm WarningFWDDenton53 min
Feb 24, 10:21 AM CSTSevere Thunderstorm WarningFWDGrayson39 min
Feb 24, 10:26 AM CSTSevere Thunderstorm WarningFWDCollin, Dallas64 min
Feb 24, 10:35 AM CSTSevere Thunderstorm WarningFWDJohnson55 min
Feb 24, 11:12 AM CSTSevere Thunderstorm WarningFWDRockwall48 min
Feb 24, 11:59 AM CSTSevere Thunderstorm WarningFWDDelta, Lamar61 min
Feb 24, 11:59 AM CSTSevere Thunderstorm WarningFWDHunt61 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.