Alert archive / Texas / Severe Thunderstorm Warnings in 2002

Severe Thunderstorm Warning 41, NWS Midland/Odessa, TX

April 29, 2002Pecos County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Apr 29, 2002, 5:58 PM CDT for Pecos County, Texas. It was in force for 17 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Apr 29, 2002, 5:58 PM CDT (22:58 UTC)
Expired
Apr 29, 2002, 6:15 PM CDT
In force
17 min
Issued by
NWS Midland/Odessa, TX
Area
Counties, with a storm outline in the text

County Pecos County, TX

The radar

The Midland/Odessa radar (KMAF), 106 km from the middle of the area, began a volume at 22:58 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.

What was reported inside it

TimeReportWhereRemark
Apr 29, 6:00 PM CDTHail 0.75Bakersfield, TX
Apr 29, 6:00 PM CDTThunderstorm Wind 52 EBakersfield, TXLarge tree limbs were downed by thunderstorm winds.
Apr 29, 6:01 PM CDTHail 1.25Bakersfield, TXHail covered the ground with drifts up to 8 inches deep.
Apr 29, 6:01 PM CDTThunderstorm Wind 52 EBakersfield, TX

NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.0 hours before the alert went out and 106 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, Midland Regional, TX at 12:00Z on 2002-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 296 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, Midland Regional, TX at 12:00Z on 2002-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 47 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
296 J/kg
Mixed-layer CIN
-352 J/kg
Mixed-layer LCL
2061 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
47 m²/s²
0-3 km storm-relative helicity
60 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.

356 
WUUS54 KMAF 292258 CCA
SVRMAF
TXC371-292315-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED PLACEMENT IN COUNTY...
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
550 PM CDT MON APR 29 2002

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN PECOS COUNTY IN WEST TEXAS

* UNTIL 615 PM CDT

* AT 550 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER NORTHERN PECOS COUNTY...OR ABOUT 10 MILES
  NORTHWEST OF BAKERSFIELD...MOVING NORTHEAST AT 20 MPH.

LARGE HAIL...DAMAGING WINDS...AND VERY HEAVY RAINS ARE EXPECTED WITH
THIS STORM. TAKE COVER IN A SUBSTANTIAL SHELTER.

LAT...LON 3104 10252 3091 10245 3100 10221 3107 10238

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 29, 5:51 PM CDTSevere Thunderstorm WarningMAFPecos24 min
Apr 29, 6:16 PM CDTSevere Thunderstorm WarningMAFPecos29 min
Apr 29, 6:26 PM CDTSevere Thunderstorm WarningMAFUpton49 min
Apr 29, 6:47 PM CDTSevere Thunderstorm WarningMAFPecos43 min

Nearby

Severe Thunderstorm Warnings in Texas, 2002Every severe thunderstorm warning 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.