Alert archive / New Mexico / Severe Thunderstorm Watches in 2004

Severe Thunderstorm Watch 496

June 18, 200411 counties in New Mexico

The Storm Prediction Center issued this severe thunderstorm watch at Jun 18, 2004, 1:55 PM MDT for 11 counties in New Mexico. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 18, 2004, 1:55 PM MDT (19:55 UTC)
Expired
Jun 18, 2004, 9:00 PM MDT
In force
7 hr
Issued by
the Storm Prediction Center

Counties Chaves County, NM, Colfax County, NM, Curry County, NM, De Baca County, NM, Guadalupe County, NM, Harding County, NM, Mora County, NM, Quay County, NM, Roosevelt County, NM, San Miguel County, NM, Union County, NM

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jun 18, 2:49 PM MDTSevere Thunderstorm WarningABQChaves56 min
Jun 18, 3:23 PM MDTSevere Thunderstorm WarningABQColfax67 min
Jun 18, 4:00 PM MDTSevere Thunderstorm WarningABQCurry60 min
Jun 18, 4:26 PM MDTSevere Thunderstorm WarningABQRoosevelt64 min
Jun 18, 4:40 PM MDTSevere Thunderstorm WarningABQColfax50 min
Jun 18, 6:23 PM MDTSevere Thunderstorm WarningABQColfax, Union52 min
Jun 18, 6:39 PM MDTSevere Thunderstorm WarningABQRoosevelt66 min
Jun 18, 6:48 PM MDTSevere Thunderstorm WarningABQQuay42 min
Jun 18, 7:15 PM MDTSevere Thunderstorm WarningABQUnion45 min
Jun 18, 7:33 PM MDTSevere Thunderstorm WarningABQUnion27 min
Jun 18, 8:00 PM MDTSevere Thunderstorm WarningABQUnion45 min
Jun 18, 8:45 PM MDTSevere Thunderstorm WarningABQUnion45 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 199 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 2004-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 199 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 2004-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 254 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
199 J/kg
Mixed-layer CIN
-341 J/kg
Mixed-layer LCL
1217 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
254 m²/s²
0-3 km storm-relative helicity
410 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 17, 6:38 PM MDTMesoscale DiscussionSPCChaves, Colfax, Curry, De Baca, Guadalupe, Harding and 5 more2 hr
Jun 18, 1:28 PM MDTMesoscale DiscussionSPCColfax, Curry, De Baca, Guadalupe, Harding, Mora and 3 more2 hr
Jun 18, 5:01 PM MDTMesoscale DiscussionSPCChaves, Colfax, Curry, De Baca, Eddy, Guadalupe and 7 more59 min

Nearby

Severe Thunderstorm Watches in New Mexico, 2004Every severe thunderstorm watch in 2004

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.