Alert archive / Colorado / Severe Thunderstorm Watches in 2003

Severe Thunderstorm Watch 420

May 23, 20034 states

The Storm Prediction Center issued this severe thunderstorm watch at May 23, 2003, 1:55 PM MDT for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 23, 2003, 1:55 PM MDT (19:55 UTC)
Expired
May 23, 2003, 7:00 PM MDT
In force
5 hr
Issued by
the Storm Prediction Center

Counties Baca County, CO, Bent County, CO, Crowley County, CO, Kiowa County, CO, Las Animas County, CO, Otero County, CO, Prowers County, CO, Pueblo County, CO, Harding County, NM, Quay County, NM, Union County, NM, Cimarron County, OK, Dallam County, TX, Deaf Smith County, TX, Hartley County, TX, Oldham County, TX

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
May 23, 2:50 PM MDTSevere Thunderstorm WarningABQUnion45 min
May 23, 3:30 PM MDTSevere Thunderstorm WarningABQUnion50 min
May 23, 4:14 PM MDTSevere Thunderstorm WarningAMACimarron61 min
May 23, 4:59 PM MDTSevere Thunderstorm WarningPUBPueblo2 hr
May 23, 5:19 PM MDTSevere Thunderstorm WarningAMADeaf Smith, Potter, Randall56 min
May 23, 5:32 PM MDTSevere Thunderstorm WarningAMAOldham43 min
May 23, 6:48 PM MDTSevere Thunderstorm WarningPUBPueblo57 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, 7.9 hours before the alert went out and 228 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 2003-05-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1034 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, Amarillo Airport, TX at 12:00Z on 2003-05-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 199 square meters per square second.193958Sfc1 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
1034 J/kg
Mixed-layer CIN
-401 J/kg
Mixed-layer LCL
889 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
199 m²/s²
0-3 km storm-relative helicity
239 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 23, 11:41 AM MDTMesoscale DiscussionSPCCrowley, Elbert, El Paso, Las Animas, Lincoln, Otero and 1 more3 hr
May 23, 1:54 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Logan, Morgan, Phillips and 4 more2 hr
May 23, 2:30 PM MDTSevere Thunderstorm WatchSPCAdams, Arapahoe, Denver, Douglas, Elbert, El Paso and 5 more5 hr
May 23, 4:32 PM MDTMesoscale DiscussionSPCBaca, Bent, Crowley, Kiowa, Las Animas, Otero and 2 more88 min
May 23, 4:54 PM MDTMesoscale DiscussionSPCAdams, Arapahoe, Denver, Douglas, Elbert, El Paso and 5 more96 min
May 23, 1:22 AM MDTMesoscale DiscussionSPCBeaver, Beckham, Ellis, Roger Mills113 min
May 23, 5:25 AM MDTMesoscale DiscussionSPCAlfalfa, Blaine, Canadian, Cleveland, Garfield, Garvin and 14 more2 hr

Nearby

Severe Thunderstorm Watches in Colorado, 2003Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in New Mexico, 2003Every severe thunderstorm 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.