Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 82, NWS Fort Worth, TX

April 20, 1997Henderson County, Navarro County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Apr 20, 1997, 10:42 PM CDT for Henderson County, Navarro County, Texas. It was in force for 33 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
Apr 20, 1997, 10:42 PM CDT (03:42 UTC)
Expired
Apr 20, 1997, 11:15 PM CDT
In force
33 min
Issued by
NWS Fort Worth, TX
Area
Whole counties

Counties Henderson County, TX, Navarro County, TX

What was reported inside it

TimeReportWhereRemark
Apr 20, 10:48 PM CDTThunderstorm WindCorsicana, TXTrees and power lines were blown down by high winds.
Apr 20, 10:50 PM CDTThunderstorm WindAthens, TXA roof was peeled off a barn.

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 00:00Z, 3.7 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.

Skew-T log-pSkew-T log-p diagram, Fort Worth, TX at 00:00Z on 1997-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 406 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 00:00Z on 1997-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 114 square meters per square second.193958Sfc1 km3 km6 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
406 J/kg
Mixed-layer CIN
-150 J/kg
Mixed-layer LCL
1725 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
114 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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

Local storm report, Apr 20, 8:45 PM CDT, 1 hour 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
845 PM CDT SUN APR 20 1997

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

0705 PM    3 S GOLDTHWAITE           TX   1.75 INCH HAIL
04/20/97   MILLS                          GOLFBALL HAIL

0723 PM    LOMETA                    TX   1.75 INCH HAIL
04/20/97   LAMPASAS                       GOLFBALL HAIL

0730 PM    18 SW BOZAR               TX   .75 INCH HAIL
04/20/97   MILLS                          DIME HAIL 14 SW
                                          GOLDTHWAITE

0805 PM    PARADISE                  TX   1.75 INCH HAIL
04/20/97   WISE                           GOLFBALL HAIL

0821 PM    1 N BEND                  TX   1.75 INCH HAIL
04/20/97   LAMPASAS                       GOLFBALL HAIL

0827 PM    3 NE ROANOKE              TX   WIND DAMAGE
04/20/97   DENTON                         65 MPH WIND GUST NEAR
                                          ALLIANCE AIRPORT
Local storm report, Apr 20, 8:48 PM CDT, 1 hour 54 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
845 PM CDT SUN APR 20 1997

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

0705 PM    3 S GOLDTHWAITE           TX   1.75 INCH HAIL
04/20/97   MILLS                          GOLFBALL HAIL

0723 PM    LOMETA                    TX   1.75 INCH HAIL
04/20/97   LAMPASAS                       GOLFBALL HAIL

0730 PM    18 SW BOZAR               TX   .75 INCH HAIL
04/20/97   MILLS                          DIME HAIL 14 SW
                                          GOLDTHWAITE

0805 PM    PARADISE                  TX   1.75 INCH HAIL
04/20/97   WISE                           GOLFBALL HAIL

0821 PM    1 N BEND                  TX   1.75 INCH HAIL
04/20/97   LAMPASAS                       GOLFBALL HAIL

0827 PM    3 NE ROANOKE              TX   WIND DAMAGE
04/20/97   DENTON                         65 MPH WIND GUST NEAR
                                          ALLIANCE AIRPORT
Local storm report, Apr 20, 9:46 PM CDT, 56 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
946 PM CDT SUN APR 20 1997

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

0850 PM    AZLE                      TX   1.5 INCH HAIL
04/20/97   TARRANT                        WALNUT SIZE HAIL

0852 PM    3 S RHOME                 TX   .75 INCH HAIL
04/20/97   WISE                           DIME HAIL

0852 PM    2 NW ALEDO                TX   .88 INCH HAIL
04/20/97   PARKER                         NICKEL HAIL AT WILLOW PARK
                                          ALONG I-20

0857 PM    2 NW AZLE                 TX   .75 INCH HAIL
04/20/97   PARKER                         DIME HAIL REPORTED BY
                                          SPOTTERS

0858 PM    KEMPNER                   TX   WIND DAMAGE
04/20/97   LAMPASAS                       TIN ROOF BLOWN OFF AN
                                          OUTBUILDING

0924 PM    WESTOVER HILLS            TX   .75 INCH HAIL
04/20/97   TARRANT                        DIME HAIL

0925 PM    4 W FOREST HILL           TX   WIND DAMAGE
04/20/97   TARRANT                        70 MPH WINDS. REPORTS OF
                                          NUMEROUS SIGNS DOWN.

0926 PM    RIVER OAKS                TX   1.25 INCH HAIL
04/20/97   TARRANT                        HALF DOLLAR HAIL

0930 PM    BELTON                    TX   WIND DAMAGE
04/20/97   BELL                           POWER LINES DOWN

0941 PM    ALEDO                     TX   1.25 INCH HAIL
04/20/97   PARKER                         HALF DOLLAR HAIL
Local storm report, Apr 20, 9:49 PM CDT, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
946 PM CDT SUN APR 20 1997

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

0850 PM    AZLE                      TX   1.5 INCH HAIL
04/20/97   TARRANT                        WALNUT SIZE HAIL

0852 PM    3 S RHOME                 TX   .75 INCH HAIL
04/20/97   WISE                           DIME HAIL

0852 PM    2 NW ALEDO                TX   .88 INCH HAIL
04/20/97   PARKER                         NICKEL HAIL AT WILLOW PARK
                                          ALONG I-20

0857 PM    2 NW AZLE                 TX   .75 INCH HAIL
04/20/97   PARKER                         DIME HAIL REPORTED BY
                                          SPOTTERS

0858 PM    KEMPNER                   TX   WIND DAMAGE
04/20/97   LAMPASAS                       TIN ROOF BLOWN OFF AN
                                          OUTBUILDING

0924 PM    WESTOVER HILLS            TX   .75 INCH HAIL
04/20/97   TARRANT                        DIME HAIL

0925 PM    4 W FOREST HILL           TX   WIND DAMAGE
04/20/97   TARRANT                        70 MPH WINDS. REPORTS OF
                                          NUMEROUS SIGNS DOWN.

0926 PM    RIVER OAKS                TX   1.25 INCH HAIL
04/20/97   TARRANT                        HALF DOLLAR HAIL

0930 PM    BELTON                    TX   WIND DAMAGE
04/20/97   BELL        "                   POWER LINES DOWN

0941 PM    ALEDO                     TX   1.25 INCH HAIL
04/20/97   PARKER                         HALF DOLLAR HAIL

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 7:04 PM CDTSevere Thunderstorm WarningFWDMills41 min
Apr 20, 7:12 PM CDTSevere Thunderstorm WarningFWDLampasas63 min
Apr 20, 7:24 PM CDTSevere Thunderstorm WarningFWDWise66 min
Apr 20, 7:32 PM CDTTornado WarningFWDLampasas43 min
Apr 20, 7:47 PM CDTSevere Thunderstorm WarningFWDDenton58 min
Apr 20, 8:13 PM CDTSevere Thunderstorm WarningFWDTarrant62 min
Apr 20, 8:20 PM CDTSevere Thunderstorm WarningFWDLampasas40 min
Apr 20, 8:25 PM CDTSevere Thunderstorm WarningFWDHood, Palo Pinto, Parker65 min
Apr 20, 8:25 PM CDTSevere Thunderstorm WarningFWDErath65 min
Apr 20, 8:41 PM CDTSevere Thunderstorm WarningFWDDenton, Wise34 min
Apr 20, 8:50 PM CDTSevere Thunderstorm WarningFWDBell55 min
Apr 20, 8:57 PM CDTSevere Thunderstorm WarningFWDJohnson63 min
Apr 20, 8:59 PM CDTSevere Thunderstorm WarningFWDDallas61 min
Apr 20, 9:15 PM CDTSevere Thunderstorm WarningFWDTarrant45 min
Apr 20, 9:25 PM CDTSevere Thunderstorm WarningFWDSomervell35 min
Apr 20, 9:39 PM CDTSevere Thunderstorm WarningFWDParker36 min
Apr 20, 9:44 PM CDTSevere Thunderstorm WarningFWDBosque61 min
Apr 20, 9:48 PM CDTFlash Flood WarningFWDTarrant117 min
Apr 20, 9:51 PM CDTSevere Thunderstorm WarningFWDErath54 min
Apr 20, 9:55 PM CDTSevere Thunderstorm WarningFWDEllis65 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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.