Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 252, NWS Fort Worth, TX

May 26, 1999Palo Pinto County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 26, 1999, 4:40 AM CDT for Palo Pinto County, Texas. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.

The facts

Issued: May 26, 1999, 4:40 AM CDT (09:40 UTC)
Expired: May 26, 1999, 5:30 AM CDT
In force: 50 min
Issued by: NWS Fort Worth, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Palo Pinto County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 88 km from the middle of the area, began a volume at 09:39 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.

The watch it was issued in

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

Issued	Product	Office	Lasted
May 26, 2:15 AM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 9.7 hours before the alert went out and 88 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1344 J/kg
Mixed-layer CIN: -54 J/kg
Mixed-layer LCL: 1377 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: -56 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

999 
WUUS1 KFTW 260944 RRA
SVRFTW
TXC363-261030-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
440 AM CDT WED MAY 26 1999

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  PALO PINTO COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 530 AM CDT.

* AT 440 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED    
  A LINE OF SEVERE THUNDERSTORM FROM 10 MILES WEST OF MINERAL
  TO GORDON...MOVING EAST AT 30 MPH.

* LOCATIONS IN THE WARNING INCLUDE MINERAL WELLS.

* THE SEVERE THUNDERSTORM WILL BE NEAR MINERAL WELLS AROUND 455 AM.

THIS IS AN EXTEREMLY DANGEROUS STORM. AS INTENSE AND FREQUENT 
LIGHTNING APPROACH...MOVE IMMEDIATELY TO SHELTER INSIDE A STRONG 
BUILDING. THIS STORM LIKELY HAS WIND GUSTS TO 60 MPH AND HAIL
ONE INCH IN DIAMETER. TREES WERE BLOWN DOWN IN NEWCASTLE WITH
THIS STORM AT 345 AM.

LAT...LON 3274 9834 3253 9845 3256 9808 3281 9807
          3299 9807

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, May 25, 11:36 PM CDT, 5 hours 4 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FORT WORTH TX
1136 PM CDT TUE MAY 25 1999

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

1030 PM    JACKSON                   TX   FLOODING
05/25/99   VAN ZANDT                      COUNTY ROAD 1651 FLOODED
                                          NEAR JACKSON

1040 PM    ROCKWALL                  TX   .75 INCH HAIL
05/25/99   ROCKWALL                       DIME HAIL REPORTED IN
                                          ROCKWALL BY POLICE
                                          DEPARTMENT

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 7:05 PM CDT	Severe Thunderstorm Warning	FWD	Collin	55 min
May 25, 7:48 PM CDT	Severe Thunderstorm Warning	FWD	Henderson	42 min
May 25, 7:52 PM CDT	Severe Thunderstorm Warning	FWD	Stephens	53 min
May 25, 7:54 PM CDT	Severe Thunderstorm Warning	FWD	Van Zandt	51 min
May 25, 8:21 PM CDT	Severe Thunderstorm Warning	FWD	Rains	39 min
May 25, 8:38 PM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto	52 min
May 25, 8:45 PM CDT	Flash Flood Warning	FWD	Van Zandt	2 hr
May 25, 9:06 PM CDT	Severe Thunderstorm Warning	FWD	Hopkins	39 min
May 25, 9:09 PM CDT	Severe Thunderstorm Warning	FWD	Erath	66 min
May 25, 9:16 PM CDT	Severe Thunderstorm Warning	FWD	Van Zandt	59 min
May 25, 9:49 PM CDT	Severe Thunderstorm Warning	FWD	Dallas	41 min
May 25, 10:07 PM CDT	Severe Thunderstorm Warning	FWD	Kaufman, Rockwall	53 min
May 25, 10:18 PM CDT	Severe Thunderstorm Warning	FWD	Henderson	42 min
May 25, 10:26 PM CDT	Severe Thunderstorm Warning	FWD	Van Zandt	64 min
May 25, 10:35 PM CDT	Flash Flood Warning	FWD	Van Zandt	3 hr
May 25, 11:17 PM CDT	Flash Flood Warning	FWD	Dallas, Kaufman, Rockwall	3 hr
May 26, 2:00 AM CDT	Flash Flood Warning	FWD	Henderson	2 hr
May 26, 3:20 AM CDT	Severe Thunderstorm Warning	FWD	Stephens	40 min
May 26, 3:24 AM CDT	Severe Thunderstorm Warning	FWD	Young	66 min
May 26, 3:38 AM CDT	Severe Thunderstorm Warning	FWD	Palo Pinto	67 min
May 26, 3:57 AM CDT	Severe Thunderstorm Warning	FWD	Jack	63 min
May 26, 4:32 AM CDT	Severe Thunderstorm Warning	FWD	Parker, Wise	43 min
May 26, 5:09 AM CDT	Severe Thunderstorm Warning	FWD	Tarrant	61 min
May 26, 5:20 AM CDT	Severe Thunderstorm Warning	FWD	Parker	30 min
May 26, 5:43 AM CDT	Flash Flood Warning	FWD	Dallas, Tarrant	2 hr

Nearby

Severe Thunderstorm Warnings in Texas, 1999 Every severe thunderstorm warning in 1999

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; radar from the NEXRAD Level II archive.