Alert archive / Texas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 236

May 5, 200028 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at May 5, 2000, 7:15 AM CDT for 28 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued: May 5, 2000, 7:15 AM CDT (12:15 UTC)
Expired: May 5, 2000, 1:00 PM CDT
In force: 6 hr
Issued by: the Storm Prediction Center

All 28 counties

Archer County, TX, Baylor County, TX, Bell County, TX, Bosque County, TX, Clay County, TX, Comanche County, TX, Coryell County, TX, Eastland County, TX, Erath County, TX, Falls County, TX, Hamilton County, TX, Hill County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Lampasas County, TX, McLennan County, TX, Mills County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Robertson County, TX, Somervell County, TX, Stephens County, TX, Tarrant County, TX, Throckmorton County, TX, Wise County, TX, Young County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 64 km from the middle of the area, began a volume at 12:18 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.

Warnings issued inside it

8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

Issued	Product	Office	Counties	Lasted
May 5, 7:57 AM CDT	Severe Thunderstorm Warning	OUN	Archer	48 min
May 5, 7:58 AM CDT	Severe Thunderstorm Warning	FWD	Young	47 min
May 5, 8:17 AM CDT	Severe Thunderstorm Warning	FWD	Stephens	43 min
May 5, 8:41 AM CDT	Severe Thunderstorm Warning	FWD	Parker	49 min
May 5, 8:43 AM CDT	Severe Thunderstorm Warning	OUN	Archer	47 min
May 5, 9:26 AM CDT	Severe Thunderstorm Warning	OUN	Archer	49 min
May 5, 10:40 AM CDT	Severe Thunderstorm Warning	FWD	Erath	50 min
May 5, 12:17 PM CDT	Severe Thunderstorm Warning	FWD	Wise	43 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 0.3 hours before the alert went out and 64 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: 508 J/kg
Mixed-layer CIN: -196 J/kg
Mixed-layer LCL: 548 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 263 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 7.1

Open this sounding in Storm Lab

The text

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

813 
WWUS9 KMKC 051207
SEL6  

SEL6  
MKC WW 051207
TXZ000-051800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 236
STORM PREDICTION CENTER NORMAN OK
707 AM CDT FRI MAY 5 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   NORTH TEXAS                              

EFFECTIVE THIS FRIDAY MORNING AND AFTERNOON FROM 715 AM UNTIL 100
PM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 65 STATUTE MILES
EAST AND WEST OF A LINE FROM 80 MILES NORTH NORTHWEST OF MINERAL
WELLS TEXAS TO 15 MILES SOUTHWEST OF TEMPLE TEXAS.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. 
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.


DISCUSSION...THUNDERSTORMS ARE INCREASING ALONG LOW LEVEL JET AXIS
OVER NWRN TX. STRONG ELEVATED INSTABILITY AND SUFFICIENT VERTICAL
DIRECTIONAL SHEAR FOR SUPERCELLS SUGGEST A LARGE HAIL THREAT FOR AT
LEAST A FEW HOURS.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM
MOTION VECTOR 31015.


...VESCIO

335,0972 305,0963 305,0984 335,0994

Nearby

Severe Thunderstorm Watches in Texas, 2000 Every severe thunderstorm watch 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.