Alert archive / Texas / Tornado Watches in 2003

Tornado Watch 478

June 4, 20034 states

The Storm Prediction Center issued this tornado watch at Jun 4, 2003, 2:20 PM MDT for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jun 4, 2003, 2:20 PM MDT (20:20 UTC)
Expired
Jun 4, 2003, 8:00 PM MDT
In force
6 hr
Issued by
the Storm Prediction Center
All 31 counties

Baca County, CO, Bent County, CO, Crowley County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Colfax County, NM, Curry County, NM, De Baca County, NM, Guadalupe County, NM, Harding County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Union County, NM, Cimarron County, OK, Bailey County, TX, Castro County, TX, Cochran County, TX, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Hockley County, TX, Lamb County, TX, Moore County, TX, Oldham County, TX, Parmer County, TX, Potter County, TX, Randall County, TX, Sherman County, TX

The radar

The Amarillo radar (KAMA), 179 km from the middle of the area, began a volume at 20:20 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

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

IssuedProductOfficeCountiesLasted
Jun 4, 2:31 PM MDTSevere Thunderstorm WarningABQColfax29 min
Jun 4, 2:54 PM MDTSevere Thunderstorm WarningABQUnion51 min
Jun 4, 3:00 PM MDTSevere Thunderstorm WarningABQColfax, Harding, Mora60 min
Jun 4, 3:12 PM MDTSevere Thunderstorm WarningAMADallam63 min
Jun 4, 3:45 PM MDTSevere Thunderstorm WarningABQUnion30 min
Jun 4, 3:57 PM MDTTornado WarningABQHarding, Mora43 min
Jun 4, 4:23 PM MDTSevere Thunderstorm WarningABQQuay52 min
Jun 4, 4:25 PM MDTSevere Thunderstorm WarningAMAHartley80 min
Jun 4, 4:37 PM MDTSevere Thunderstorm WarningABQSan Miguel53 min
Jun 4, 5:07 PM MDTTornado WarningABQQuay53 min
Jun 4, 5:13 PM MDTSevere Thunderstorm WarningAMAOldham62 min
Jun 4, 5:22 PM MDTSevere Thunderstorm WarningABQHarding38 min
Jun 4, 5:25 PM MDTTornado WarningABQSan Miguel50 min
Jun 4, 5:42 PM MDTTornado WarningABQCurry, Quay63 min
Jun 4, 6:14 PM MDTTornado WarningABQQuay46 min
Jun 4, 6:34 PM MDTSevere Thunderstorm WarningAMAOldham26 min
Jun 4, 6:38 PM MDTSevere Thunderstorm WarningABQSan Miguel52 min
Jun 4, 6:44 PM MDTFlash Flood WarningAMADeaf Smith3 hr
Jun 4, 6:45 PM MDTTornado WarningABQCurry60 min
Jun 4, 6:49 PM MDTSevere Thunderstorm WarningAMAPotter, Randall56 min
Jun 4, 7:00 PM MDTSevere Thunderstorm WarningABQQuay45 min
Jun 4, 7:02 PM MDTFlash Flood WarningAMARandall3 hr
Jun 4, 7:38 PM MDTTornado WarningABQCurry, Roosevelt67 min
Jun 4, 7:43 PM MDTSevere Thunderstorm WarningABQQuay62 min

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Amarillo Airport, TX (KAMA), launched 12:00Z, 8.3 hours before the alert went out and 180 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, Amarillo Airport, TX at 12:00Z on 2003-06-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 94 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Amarillo Airport, TX at 12:00Z on 2003-06-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 120 square meters per square second.193958Sfc1 km3 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
94 J/kg
Mixed-layer CIN
-108 J/kg
Mixed-layer LCL
674 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
120 m²/s²
0-3 km storm-relative helicity
213 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.

000 
WWUS20 KWNS 042019
SEL8  
SPC WW 042020
COZ000-NMZ000-OKZ000-TXZ000-050200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 478 
NWS STORM PREDICTION CENTER NORMAN OK 
220 PM MDT WED JUN 4 2003

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

       SOUTHEAST COLORADO
       EASTERN NEW MEXICO
       WESTERN OKLAHOMA PANHANDLE
       WESTERN TEXAS PANHANDLE

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 220 PM UNTIL
800 PM MDT.

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 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 20 MILES NORTH NORTHEAST OF LA JUNTA COLORADO TO 55
MILES SOUTH OF CANNON AFB NEW MEXICO.

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 477. WATCH NUMBER 477 WILL NOT BE IN
EFFECT AFTER 220 PM MDT. 


DISCUSSION...SURFACE LOW HAS DEEPENED NERN NM ENHANCING VEERING
SHEAR PROFILES E OF MOUNTAINS FOR INCREASED THREAT OF TORNADIC
SUPERCELLS. SEVERE THUNDERSTORMS EXPECTED TO CONTINUE DEVELOPING
OVER HIGHER TERRAIN AND MOVE SSEWD INTO THE INSTABILITY AXIS.

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 550.
MEAN STORM MOTION VECTOR 33025.


...HALES

381,1014 333,1014 333,1044 381,1045

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 3, 8:41 PM MDTMesoscale DiscussionSPCBaca, Bent, Cheyenne, Crowley, El Paso, Huerfano and 6 more2 hr
Jun 4, 12:34 AM MDTMesoscale DiscussionSPCBaca116 min
Jun 4, 11:12 AM MDTMesoscale DiscussionSPCBaca, Las Animas2 hr
Jun 4, 11:30 AM MDTSevere Thunderstorm WatchSPCBent, Crowley, Huerfano, Las Animas, Otero, Pueblo6 hr
Jun 4, 2:27 PM MDTMesoscale DiscussionSPCBent, Crowley, Huerfano, Las Animas, Otero, Pueblo93 min
Jun 4, 5:31 PM MDTMesoscale DiscussionSPCBaca, Bent, Las Animas, Otero, Prowers, Pueblo89 min
Jun 3, 6:50 PM MDTMesoscale DiscussionSPCCurry, Harding, Lea, Quay, Roosevelt55 min
Jun 3, 7:30 PM MDTSevere Thunderstorm WatchSPCBandera, Blanco, Bosque, Brown, Burnet, Callahan and 38 more6 hr
Jun 3, 8:05 PM MDTSevere Thunderstorm WatchSPCBailey, Briscoe, Castro, Childress, Cochran, Cottle and 18 more3 hr
Jun 3, 10:37 PM MDTMesoscale DiscussionSPCBandera, Bell, Blanco, Bosque, Brown, Burnet and 35 more113 min
Jun 3, 11:35 PM MDTSevere Thunderstorm WatchSPCAtascosa, Austin, Bastrop, Bexar, Brazos, Burleson and 23 more5 hr
Jun 4, 1:52 AM MDTMesoscale DiscussionSPCAustin, Bastrop, Brazos, Burleson, Colorado, DeWitt and 12 more83 min

Nearby

Tornado Watches in Texas, 2003Tornado Watches in New Mexico, 2003Tornado Watches in Colorado, 2003Every tornado watch in 2003

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.