Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 66, NWS Fort Worth, TX

March 7, 2000Hood County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 7, 2000, 8:45 PM CST for Hood County, Texas. It was in force for 45 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: Mar 7, 2000, 8:45 PM CST (02:45 UTC)
Expired: Mar 7, 2000, 9:30 PM CST
In force: 45 min
Issued by: NWS Fort Worth, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Hood County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 55 km from the middle of the area, began a volume at 02:45 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
Mar 7, 6:00 PM CST	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 2.8 hours before the alert went out and 70 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: 1022 J/kg
Mixed-layer CIN: -33 J/kg
Mixed-layer LCL: 1326 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 143 m²/s²
0-3 km storm-relative helicity: 228 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 11.5

Open this sounding in Storm Lab

The text

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

236 
WUUS54 KFWD 080245
SVRFTW
TXC221-080330-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
845 PM CST TUE MAR 7 2000

THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HOOD COUNTY IN NORTH CENTRAL TEXAS

* UNTIL 930 PM CST

* AT 841 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM 8 MILES SOUTHWEST OF OAK TRAIL SHORES...MOVING
  EAST AT 25 MPH.

* LOCATIONS IN THE WARNING INCLUDE OAK TRAIL SHORES AND GRANBURY

DOPPLER RADAR DETECTED HAIL UP TO ONE INCH IN DIAMETER WITH THIS 
SEVERE THUNDERSTORM.

LAT...LON 3244 9803 3227 9794 3238 9764 3255 9771
          3255 9788

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 Mar 7, 7:30 PM CST, 1 hour 15 minutes earlier.

Area forecast discussion, Mar 7, 7:30 PM CST, 1 hour 15 minutes before

AREA FORECAST DISCUSSION...UPDATE
NATIONAL WEATHER SERVICE FORT WORTH TX
730 PM CST TUE MAR 7 2000

JUST FRESHENED UP THE ZONE PACKAGE TO START ELIMINATING POPS OVER
EXTREME WRN ZONES AND BOOSTING POPS...ESPECIALLY NORTH OF I-20 AND
EAST OF I-35.  SEVERE REPORTS HAVE BEEN MAINLY NICKLE-SIZE HAIL OR
LESS...NO EXCESSIVE WINDS AT THIS TIME.  00Z FWD SOUNDING STILL
SHOWED SOME POTENTIAL FOR SEVERE STORMS.  GOOD SPEED SHEAR WITH
HEIGHT IN LOWER 6KM WITH SLIGHT DIRECTIONAL SHEAR.  CAPPING
INVERSION WAS PRESENT AT H700 BUT LOW LEVEL FORCING SHOULD BE ABLE
TO OVERCOME THAT WARM AIR.

.FTW...WIND ADVISORY THROUGH MID EVENING ALONG AND WEST OF A
SHERMAN...CORSICANA...CAMERON LINE...CAUTION ON AREA LAKES ELSEWHERE.

64

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 7, 6:32 PM CST	Severe Thunderstorm Warning	FWD	Comanche, Eastland	43 min
Mar 7, 6:49 PM CST	Severe Thunderstorm Warning	FWD	Jack	56 min
Mar 7, 6:57 PM CST	Severe Thunderstorm Warning	FWD	Erath	48 min
Mar 7, 7:09 PM CST	Severe Thunderstorm Warning	FWD	Palo Pinto	36 min
Mar 7, 7:36 PM CST	Severe Thunderstorm Warning	FWD	Parker	54 min
Mar 7, 7:40 PM CST	Severe Thunderstorm Warning	FWD	Hamilton	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000 Every severe thunderstorm warning in 2000

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.