Alert archive / Texas / Tornado Watches in 2002

Tornado Watch 31

March 19, 200245 counties in Texas

The Storm Prediction Center issued this tornado watch at Mar 19, 2002, 3:30 PM CST for 45 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Mar 19, 2002, 3:30 PM CST (21:30 UTC)
Expired
Mar 19, 2002, 9:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 45 counties

Atascosa County, TX, Bandera County, TX, Bell County, TX, Bexar County, TX, Blanco County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Callahan County, TX, Coleman County, TX, Comal County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Eastland County, TX, Edwards County, TX, Ellis County, TX, Erath County, TX, Frio County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Hill County, TX, Hood County, TX, Johnson County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Kinney County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, Maverick County, TX, McCulloch County, TX, McLennan County, TX, Medina County, TX, Menard County, TX, Mills County, TX, Real County, TX, San Saba County, TX, Somervell County, TX, Sutton County, TX, Uvalde County, TX, Williamson County, TX, Zavala County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Mar 19, 3:42 PM CSTTornado WarningEWXEdwards, Kinney33 min
Mar 19, 4:07 PM CSTTornado WarningEWXKinney, Val Verde53 min
Mar 19, 4:18 PM CSTTornado WarningEWXEdwards27 min
Mar 19, 4:18 PM CSTSevere Thunderstorm WarningSJTMcCulloch, Menard57 min
Mar 19, 4:37 PM CSTTornado WarningSJTMcCulloch53 min
Mar 19, 4:42 PM CSTSevere Thunderstorm WarningEWXReal63 min
Mar 19, 5:00 PM CSTFlash Flood WarningSJTMcCulloch3 hr
Mar 19, 5:15 PM CSTSevere Thunderstorm WarningSJTSan Saba60 min
Mar 19, 5:29 PM CSTTornado WarningEWXMaverick61 min
Mar 19, 5:29 PM CSTFlash Flood WarningSJTBrown, San Saba3 hr
Mar 19, 5:34 PM CSTTornado WarningSJTSan Saba41 min
Mar 19, 5:44 PM CSTSevere Thunderstorm WarningFWDMills46 min
Mar 19, 6:08 PM CSTSevere Thunderstorm WarningEWXUvalde52 min
Mar 19, 6:14 PM CSTSevere Thunderstorm WarningFWDLampasas46 min
Mar 19, 6:18 PM CSTSevere Thunderstorm WarningEWXZavala42 min
Mar 19, 6:23 PM CSTSevere Thunderstorm WarningEWXBurnet52 min
Mar 19, 6:23 PM CSTSevere Thunderstorm WarningFWDHamilton37 min
Mar 19, 6:25 PM CSTTornado WarningEWXFrio, Zavala35 min
Mar 19, 6:25 PM CSTSevere Thunderstorm WarningFWDComanche35 min
Mar 19, 6:39 PM CSTTornado WarningEWXMedina, Uvalde51 min
Mar 19, 6:44 PM CSTSevere Thunderstorm WarningFWDCoryell61 min
Mar 19, 6:51 PM CSTFlash Flood WarningFWDHood, Johnson, Parker, Somervell4 hr
Mar 19, 6:55 PM CSTSevere Thunderstorm WarningFWDBell50 min
Mar 19, 7:03 PM CSTTornado WarningEWXBexar57 min
Mar 19, 7:29 PM CSTSevere Thunderstorm WarningFWDMcLennan61 min
Mar 19, 7:30 PM CSTSevere Thunderstorm WarningEWXAtascosa, Frio60 min
Mar 19, 7:34 PM CSTSevere Thunderstorm WarningFWDHill41 min
Mar 19, 7:51 PM CSTTornado WarningEWXBexar, Guadalupe, Wilson54 min
Mar 19, 7:58 PM CSTTornado WarningEWXDimmit, Maverick62 min
Mar 19, 8:05 PM CSTSevere Thunderstorm WarningEWXComal25 min
Mar 19, 8:14 PM CSTSevere Thunderstorm WarningEWXHays61 min

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 9.5 hours before the alert went out and 156 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, Del Rio, TX at 12:00Z on 2002-03-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1251 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 12:00Z on 2002-03-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 37 square meters per square second.1939587897117136Sfc1 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
1251 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
734 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
37 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 192125
SEL1  
SPC WW 192122
TXZ000-200300-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 31
STORM PREDICTION CENTER NORMAN OK
322 PM CST TUE MAR 19 2002

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR

   LARGE PART OF CENTRAL TEXAS                              

EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 330 PM UNTIL 900
PM CST.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST
OF A LINE FROM 75 MILES SOUTHWEST OF HONDO TEXAS TO 30 MILES NORTH
NORTHEAST OF STEPHENVILLE 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 30.  WATCH NUMBER 30 WILL NOT BE IN
EFFECT AFTER 330 PM CST.

DISCUSSION...TORNADO THREAT SHOULD INCREASE INTO CENTRAL TX THROUGH
THE EVENING AS AIR MASS DESTABILIZES WITHIN STRONGLY SHEARED WIND
FIELD.  


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 23035.


...EVANS

283,1013 323,0993 323,0962 283,0983

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 19, 1:30 PM CSTSevere Thunderstorm WatchSPCBandera, Brown, Coke, Coleman, Concho, Crockett and 22 more5 hr

Nearby

Tornado Watches in Texas, 2002Every tornado watch in 2002

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.