Alert archive / Texas / Severe Thunderstorm Warnings in 1997

Severe Thunderstorm Warning 158, NWS Midland/Odessa, TX

May 29, 1997Martin County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 29, 1997, 7:30 PM CDT for Martin County, Texas. It was in force for 60 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
May 29, 1997, 7:30 PM CDT (00:30 UTC)
Expired
May 29, 1997, 8:30 PM CDT
In force
60 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Martin County, TX

The radar

The Midland/Odessa radar (KMAF), 46 km from the middle of the area, began a volume at 00:33 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
May 29, 7:45 PM CDTHail 1.75Three Leagues, TXA storm developed in Southwestern Dawson County along a stationary outflow boundary, then moved to the southeast into northern Martin County where the hail was reported. This storm became a supercell with strong rotation on its northwest flank. The storm turn

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 00:00Z, 0.5 hours before the alert went out and 46 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 00:00Z on 1997-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1725 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, Midland Regional, TX at 00:00Z on 1997-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 17 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
1725 J/kg
Mixed-layer CIN
-70 J/kg
Mixed-layer LCL
2054 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
17 m²/s²
0-3 km storm-relative helicity
192 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMAF 300030 RRA
SVRMAF
TXC317-300130-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
730 PM CDT THU MAY 29 1997

THE NATIONAL WEATHER SERVICE IN MIDLAND TX HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 830 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN NORTHWESTERN TEXAS

   ...EASTERN MARTIN COUNTY
 
AT 727 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY MIDLAND
DOPPLER RADAR 14 MILES SOUTH OF LAMESA OR NEAR THREE LEAGUES MOVING
SOUTHEAST AT 10 MPH.

SOME LOCATIONS IN THE PATH OF THIS STORM ARE... FLOWER GROVE...
ACKERLY...MERRICK...AND THREE LEAGUES.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55 MPH...
DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR
PROTECTION...MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS.  HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.



MURDOCH/HUBER
 z

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 29, 3:15 PM CDT, 4 hours 15 minutes earlier.

Area forecast discussion, May 29, 3:15 PM CDT, 4 hours 15 minutes before
AREA FORECAST DISCUSSION...CORRECTED POPS
NATIONAL WEATHER SERVICE MIDLAND TX
315 PM CDT (215 PM MDT) THU MAY 29 1997

SEE SWODY1 FOR GOOD SYNOPSIS OF SVR WX THREAT OVR FA. SVR TSRA
ALREADY DVLPD IN DAVIS MTNS ATTM. EXPECT SVR TSRA TO DVLP INVOF
INSTABILITY AXIS OVER SE NM IN THE NEXT COUPLE HRS. THIS SHOULD
PROPAGATE SE INTO REST OF NRN FA (SEE SPSMAF). AGREE WITH LBB THAT
LCL HVY RAIN PSBL GIVEN GOOD LOLVL MSTR. FRONT OVER KS TO PUSH S
THROUGH FA FRI AS WRN USA RDG AMPLIFIES...BRINGING NLY FLOW ALOFT
OVER FA. WILL KEEP POPS GOING INTO 2ND PERIOD AS FRONT SHOULD HAVE
PLENTY OF MSTR AHEAD OF IT TO WORK WITH.

MAF  63/91  4/3
CNM  61/92  4/3
MRF  55/85  2/1
P07  66/90  2/3

TJT

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 7:00 PM CDTSevere Thunderstorm WarningMAFDawson65 min
May 29, 8:07 PM CDTSevere Thunderstorm WarningMAFAndrews63 min
May 29, 8:23 PM CDTSevere Thunderstorm WarningMAFWinkler62 min
May 29, 8:27 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson63 min
May 29, 8:31 PM CDTSevere Thunderstorm WarningMAFMartin64 min
May 29, 9:12 PM CDTSevere Thunderstorm WarningMAFAndrews33 min
May 29, 9:34 PM CDTSevere Thunderstorm WarningMAFBorden, Dawson61 min

Nearby

Severe Thunderstorm Warnings in Texas, 1997Every severe thunderstorm warning in 1997

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.