Alert archive / Texas / Tornado Watches in 2000

Tornado Watch 107

March 22, 200029 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 22, 2000, 1:15 AM CST for 29 counties in Texas. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
Mar 22, 2000, 1:15 AM CST (07:15 UTC)
Expired
Mar 22, 2000, 6:00 AM CST
In force
5 hr
Issued by
the Storm Prediction Center
All 29 counties

Andrews County, TX, Borden County, TX, Coke County, TX, Crane County, TX, Crockett County, TX, Dawson County, TX, Ector County, TX, Edwards County, TX, Glasscock County, TX, Howard County, TX, Irion County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Martin County, TX, Menard County, TX, Midland County, TX, Mitchell County, TX, Reagan County, TX, Real County, TX, Schleicher County, TX, Sterling County, TX, Sutton County, TX, Terrell County, TX, Tom Green County, TX, Upton County, TX, Val Verde County, TX, Ward County, TX, Winkler County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 22, 1:20 AM CSTTornado WarningMAFEctor55 min
Mar 22, 1:28 AM CSTTornado WarningEWXVal Verde62 min
Mar 22, 1:56 AM CSTFlash Flood WarningMAFAndrews, Gaines2 hr
Mar 22, 2:04 AM CSTTornado WarningEWXEdwards56 min
Mar 22, 2:08 AM CSTTornado WarningMAFAndrews, Ector52 min
Mar 22, 2:40 AM CSTFlash Flood WarningMAFEctor3 hr
Mar 22, 2:57 AM CSTSevere Thunderstorm WarningMAFAndrews, Ector, Martin, Midland63 min
Mar 22, 2:58 AM CSTTornado WarningEWXEdwards62 min
Mar 22, 3:57 AM CSTSevere Thunderstorm WarningMAFDawson48 min
Mar 22, 4:00 AM CSTSevere Thunderstorm WarningMAFMartin45 min
Mar 22, 4:18 AM CSTFlash Flood WarningMAFMartin117 min
Mar 22, 4:23 AM CSTFlash Flood WarningMAFAndrews2 hr
Mar 22, 4:43 AM CSTSevere Thunderstorm WarningMAFBorden, Dawson62 min
Mar 22, 5:33 AM CSTFlash Flood WarningMAFDawson3 hr

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 7.3 hours before the alert went out and 101 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, Midland Regional, TX at 00:00Z on 2000-03-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 14 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 2000-03-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 33 square meters per square second.1939587897Sfc1 km3 km6 km9 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
14 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
3806 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
33 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

315 
WWUS9 KMKC 220657
SEL7  
MKC WW 220657
TXZ000-221200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 107
STORM PREDICTION CENTER NORMAN OK
1257 AM CST WED MAR 22 2000

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   SOUTH TEXAS                              

EFFECTIVE THIS WEDNESDAY MORNING FROM 115 AM UNTIL 600 AM CST.

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

THE TORNADO WATCH AREA IS ALONG AND 75 STATUTE MILES EITHER SIDE OF
A LINE FROM 55 MILES NORTH NORTHWEST OF MIDLAND TEXAS TO 60 MILES
EAST OF DEL RIO TEXAS.

REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND 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 TORNADO WATCH REPLACES SEVERE
THUNDERSTORM WATCH NUMBER 106.  WATCH NUMBER 106 WILL NOT BE IN
EFFECT AFTER 115 AM CST.

DISCUSSION...STRONG LOW LEVEL VEERING PROFILES...COUPLED WITH
CONTINUED RICH BOUNDARY LAYER MOISTURE INFLOW AND UPSLOPE COMPONENT
SUGGEST AN INCREASING THREAT FOR TORNADOES AS SUPERCELLS CONTINUE
TO DEVELOP OVER REGION.  LARGE SCALE ASCENT MAY ALSO BE ENHANCED BY
HIGH LEVEL SHORTWAVE TROUGH /PER WV STLT INMAGERY/ MOVING NEWD FROM
MEXICO.

AVIATION...TORNADOES AND 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 22035.

...CORFIDI

332,1013 300,0985 284,1005 320,1033

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 21, 11:00 PM CSTSevere Thunderstorm WatchSPCAndrews, Borden, Crane, Crockett, Dawson, Ector and 19 more6 hr
Mar 22, 1:00 PM CSTTornado WatchSPCAndrews, Coke, Crane, Crockett, Ector, Edwards and 18 more6 hr
Mar 22, 4:00 PM CSTTornado WatchSPCArcher, Baylor, Borden, Crosby, Dawson, Dickens and 11 more5 hr

Nearby

Tornado Watches in Texas, 2000Every tornado 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.