Alert archive / Texas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 65

March 2, 2000Polk County, Sevier County, Arkansas; Choctaw County, McCurtain County, Pushmataha County, Oklahoma; 18 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Mar 2, 2000, 6:30 PM CST for Polk County, Sevier County, Arkansas; Choctaw County, McCurtain County, Pushmataha County, Oklahoma; 18 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Mar 2, 2000, 6:30 PM CST (00:30 UTC)
Expired: Mar 2, 2000, 11:00 PM CST
In force: 5 hr
Issued by: the Storm Prediction Center

All 23 counties

Polk County, AR, Sevier County, AR, Choctaw County, OK, McCurtain County, OK, Pushmataha County, OK, Camp County, TX, Collin County, TX, Dallas County, TX, Delta County, TX, Fannin County, TX, Franklin County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Morris County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX

The radar

The Dallas/Ft Worth radar (KFWS), 178 km from the middle of the area, began a volume at 00:29 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

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

Issued	Product	Office	Counties	Lasted
Mar 2, 6:54 PM CST	Severe Thunderstorm Warning	FWD	Hunt	36 min
Mar 2, 7:13 PM CST	Severe Thunderstorm Warning	FWD	Lamar	32 min
Mar 2, 7:20 PM CST	Severe Thunderstorm Warning	FWD	Delta	55 min
Mar 2, 7:23 PM CST	Severe Thunderstorm Warning	FWD	Collin	67 min
Mar 2, 7:23 PM CST	Severe Thunderstorm Warning	SHV	Red River	67 min
Mar 2, 7:41 PM CST	Severe Thunderstorm Warning	FWD	Lamar	34 min
Mar 2, 7:47 PM CST	Severe Thunderstorm Warning	FWD	Hunt	58 min
Mar 2, 8:18 PM CST	Severe Thunderstorm Warning	FWD	Hopkins	42 min
Mar 2, 8:21 PM CST	Severe Thunderstorm Warning	FWD	Dallas	54 min

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.5 hours before the alert went out and 164 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: 1195 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 1157 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 200 m²/s²
0-3 km storm-relative helicity: 235 m²/s²
Significant tornado parameter: 1.6
Supercell composite: 8.8

Open this sounding in Storm Lab

The text

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

304 
WWUS9 KMKC 030004
SEL5  

SEL5  
MKC WW 030004
ARZ000-OKZ000-TXZ000-030500-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 65
STORM PREDICTION CENTER NORMAN OK
604 PM CST THU MAR 2 2000

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

   SOUTHWEST ARKANSAS                           
   SOUTHEAST OKLAHOMA                           
   NORTHEAST TEXAS                              

EFFECTIVE THIS THURSDAY AFTERNOON AND EVENING FROM 630 PM UNTIL
1100 PM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 60 STATUTE MILES
EAST AND WEST OF A LINE FROM 55 MILES EAST SOUTHEAST OF DALLAS
TEXAS TO 10 MILES NORTHWEST OF PAGE OKLAHOMA.

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.

OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES
TORNADO WATCH NUMBER 64.  WATCH NUMBER 64 WILL NOT BE IN EFFECT
AFTER 630 PM CST.

DISCUSSION...CLUSTER OF SEVERE THUNDERSTORMS OVER NERN TX IS
EXPECTED TO TRACK ENEWD ACROSS THE RED RIVER. ALTHOUGH AN ISOLATED
TORNADO COULD OCCUR...ACTIVITY IS LIKELY TO BECOME INCREASINGLY
ELEVATED THIS EVENING AS IT MOVES FARTHER N OF SURFACE WARM FRONT.


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.  MEAN STORM
MOTION VECTOR 25040.


...VESCIO

344,0934 323,0945 323,0970 344,0954

Nearby

Severe Thunderstorm Watches in Texas, 2000 Severe Thunderstorm Watches in Oklahoma, 2000 Severe Thunderstorm Watches in Arkansas, 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.