Alert archive / Texas / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 84, NWS Midland/Odessa, TX

April 30, 2000Dawson County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Apr 30, 2000, 6:15 PM CDT for Dawson County, Texas. It was in force for 60 min. 1 report came from inside the area while it was in force.

The area

The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.

The facts

Issued
Apr 30, 2000, 6:15 PM CDT (23:15 UTC)
Expired
Apr 30, 2000, 7:15 PM CDT
In force
60 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

County Dawson County, TX

The radar

The Lubbock radar (KLBB), 86 km from the middle of the area, began a volume at 23:16 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 30, 6:32 PM CDTHail 1.25Lamesa, TXGaines County storm continued to the east.

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, 11.3 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 2000-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 2000-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -13 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2864 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-13 m²/s²
0-3 km storm-relative helicity
63 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 
WUUS54 KMAF 302317
SVRMAF
TXC115-010015-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
615 PM CDT SUN APR 30 2000

THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN DAWSON COUNTY IN TEXAS

* UNTIL 715 PM CDT

* AT 615 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
  SEVERE THUNDERSTORM 6 MILES WEST OF WELCH...OR 18 MILES NORTHWEST 
  OF LAMESA...MOVING EAST AT 40 MPH.

* SOME LOCATIONS IN THE PATH OF THIS STORM INCLUDE...             
  ARVANA...HANCOCK...PUNKIN CENTER...GRANDVIEW...PRIDE AND WELCH.

THIS STORM HAS A HISTORY OF PRODUCING HAIL TO THE SIZE OF TENNIS BALLS.
LARGE HAIL...WINDS IN EXCESS OF 60 MPH...VERY HEAVY RAIN...AND DEADLY
LIGHTNING CAN BE EXPECTED WITH THIS SEVERE THUNDERSTORM.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER FROM THE WEATHER IN A STRONG
BUILDING.  STAY INSIDE AWAYd FROM WINDOWS UNTIL THE STORM HAS PASSED.

LAT...LON 3296 10220 3284 10220 3274 10169 3296 10169

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 7:16 PM CDTSevere Thunderstorm WarningMAFBorden, Scurry59 min
Apr 30, 5:18 PM CDTSevere Thunderstorm WarningMAFGaines57 min
Apr 30, 6:50 PM CDTSevere Thunderstorm WarningMAFBorden55 min

Nearby

Severe Thunderstorm Warnings in Texas, 2000Every severe thunderstorm warning in 2000

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.