Alert archive / Texas / Tornado Watches in 2001

Tornado Watch 204

May 6, 200136 counties in Texas

The Storm Prediction Center issued this tornado watch at May 6, 2001, 2:45 PM CDT for 36 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
May 6, 2001, 2:45 PM CDT (19:45 UTC)
Expired
May 6, 2001, 9:00 PM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 36 counties

Bell County, TX, Blanco County, TX, Bosque County, TX, Brown County, TX, Burnet County, TX, Coleman County, TX, Comal County, TX, Comanche County, TX, Concho County, TX, Coryell County, TX, Edwards County, TX, Falls County, TX, Gillespie County, TX, Hamilton County, TX, Hays County, TX, Hill County, TX, Kendall County, TX, Kerr County, TX, Kimble County, TX, Lampasas County, TX, Limestone County, TX, Llano County, TX, Mason County, TX, McCulloch County, TX, McLennan County, TX, Menard County, TX, Mills County, TX, Navarro County, TX, Real County, TX, Runnels County, TX, San Saba County, TX, Schleicher County, TX, Sutton County, TX, Travis County, TX, Val Verde County, TX, Williamson County, TX

The radar

The San Angelo radar (KSJT), 126 km from the middle of the area, began a volume at 19:46 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

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

IssuedProductOfficeCountiesLasted
May 6, 3:20 PM CDTSevere Thunderstorm WarningSJTBrown40 min
May 6, 3:55 PM CDTSevere Thunderstorm WarningFWDBell65 min
May 6, 4:13 PM CDTSevere Thunderstorm WarningFWDLampasas62 min
May 6, 4:13 PM CDTSevere Thunderstorm WarningSJTSan Saba62 min
May 6, 4:40 PM CDTSevere Thunderstorm WarningSJTBrown65 min
May 6, 4:50 PM CDTSevere Thunderstorm WarningSJTMason25 min
May 6, 5:00 PM CDTTornado WarningFWDBell45 min
May 6, 5:05 PM CDTSevere Thunderstorm WarningEWXLlano30 min
May 6, 5:05 PM CDTSevere Thunderstorm WarningFWDCoryell40 min
May 6, 5:21 PM CDTSevere Thunderstorm WarningSJTSan Saba69 min
May 6, 5:24 PM CDTSevere Thunderstorm WarningFWDHill66 min
May 6, 5:39 PM CDTSevere Thunderstorm WarningEWXLlano51 min
May 6, 5:44 PM CDTTornado WarningFWDBell46 min
May 6, 5:54 PM CDTSevere Thunderstorm WarningFWDMills51 min
May 6, 6:00 PM CDTTornado WarningEWXLlano45 min
May 6, 6:30 PM CDTSevere Thunderstorm WarningFWDBell, Milam45 min
May 6, 6:35 PM CDTSevere Thunderstorm WarningFWDEllis, Hill55 min
May 6, 6:40 PM CDTSevere Thunderstorm WarningEWXBurnet65 min
May 6, 6:47 PM CDTFlash Flood WarningFWDBell3 hr
May 6, 7:13 PM CDTSevere Thunderstorm WarningFWDMills47 min
May 6, 7:45 PM CDTSevere Thunderstorm WarningEWXBurnet, Travis, Williamson60 min

The nearest sounding before it

Del Rio, TX (KDRT), launched 12:00Z, 7.8 hours before the alert went out and 208 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 2001-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2568 joules per kilogram.LCLLFCEL10008507005003002001001 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, Del Rio, TX at 12:00Z on 2001-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 137 square meters per square second.19395878Sfc1 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
2568 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
564 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
137 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.9
Supercell composite
5.8

Open this sounding in Storm Lab

The text

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

000 
WWUS9 KMKC 061915
SEL4  

SEL4  
MKC WW 061911
TXZ000-070200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 204
STORM PREDICTION CENTER NORMAN OK
211 PM CDT SUN MAY 6 2001

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

   CENTRAL TEXAS                              

EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 245 PM UNTIL 900
PM CDT.

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 110 STATUTE MILES EAST AND WEST
OF A LINE FROM 50 MILES SOUTH OF JUNCTION TEXAS TO 55 MILES
NORTHWEST OF WACO 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...  CONTINUE...WW 202...WW 203...

DISCUSSION...WITH AIR MASS NOW VERY UNSTABLE...CAPES TO 4000
J/KG..AND WEAKLY CAPPED...SEVERE THUNDERSTORMS ARE EXPECTED TO
DEVELOP RAPIDLY  WRN PORTION OF WW.  VEERING SHEAR PROFILES SUPPORT
ISOLATED SUPERCELLS ENHANCING LARGE HAIL POTENTIAL ALONG WITH
ISOLATED TORNADOS. SEVERE THUNDERSTORMS WILL PROPAGATE E/SE INTO
THE EVENING HOURS.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 UINCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 28020.


...HALES

;321,0960 294,0975 294,1013 321,0994;

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 5, 9:00 PM CDTSevere Thunderstorm WatchSPCArcher, Baylor, Clay, Knox, Montague, Wichita and 1 more4 hr
May 6, 4:30 PM CDTTornado WatchSPCClay, Collin, Cooke, Dallas, Delta, Denton and 25 more7 hr
May 6, 6:00 PM CDTTornado WatchSPCAtascosa, Bandera, Bexar, Dimmit, Duval, Frio and 11 more6 hr

Nearby

Tornado Watches in Texas, 2001Every tornado watch in 2001

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.