Alert archive / Texas / Severe Thunderstorm Warnings in 1997
Severe Thunderstorm Warning 345, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this severe thunderstorm warning at Aug 19, 1997, 5:56 PM CDT for Martin County, Texas. It was in force for 34 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 19, 1997, 5:56 PM CDT (22:56 UTC)
- Expired
- Aug 19, 1997, 6:30 PM CDT
- In force
- 34 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Whole counties
County Martin County, TX
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 10.9 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.
- Mixed-layer CAPE
- 3 J/kg
- Mixed-layer CIN
- -272 J/kg
- Mixed-layer LCL
- 1561 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 55 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMAF 192257 RRA SVRMAF TXC317-192330- BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE MIDLAND TX 556 PM CDT TUE AUG 19 1997 THE NATIONAL WEATHER SERVICE IN MIDLAND TX HAS ISSUED A SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 630 PM CDT FOR PEOPLE IN THE FOLLOWING LOCATION... IN NORTHWESTERN TEXAS ...SOUTHEASTERN MARTIN COUNTY AT 557 PM CDT...A SEVERE THUNDERSTORM WAS INDICATED BY MIDLAND DOPPLER RADAR 15 MILES WEST OF GARDEN CITY MOVING SOUTH AT 0 MPH. THIS STORM IS EXPECTED TO REMAIN IN RURAL AREAS JUST SOUTH OF SPRABERRY. IF YOU ARE CAUGHT OUTSIDE...SEEK REFUGE FROM THE WEATHER IN A STRONG BUILDING. DAMAGING WIND...LARGE HAIL...VERY HEAVY RAIN... AND0 DEADLY LIGHTNING ARE ALL POSSIBLE IN SEVERE THUNDERSTORMS. STAY INSIDE AWAY FROM WINDOWS UNTIL THE STORM HAS PASSED. YOUNG/TURNAGE
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 Aug 19, 2:09 PM CDT, 3 hours 47 minutes earlier.
Area forecast discussion, Aug 19, 2:09 PM CDT, 3 hours 47 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIDLAND TX 208 PM CDT (108 PM MDT) TUE AUG 19 1997 KMAF RADAR AT 18Z SHOWS CONVECTION BEGINNING TO DEVELOP ALONG THE EASTERN SLOPES OF THE GUADALUPE MOUNTAINS OF EDDY AND CULBERSON COUNTIES ALONG A LOW-LEVEL THETA-E AXIS...WITH CELLS DRIFTING SLOWLY EASTWARD. ADAP AT 18Z SHOWS CAP HAS PRACTICALLY ERODED WITH SURFACE BASED LI FROM -6 TO -8 ACROSS THE REGION. SATELLITE IMAGERY ANIMATION SHOWS THE MID/UPPER LEVEL SHEAR AXIS AND ASSOCIATED CLOUD BAND HAS MOVED SOUTHWARD....EXTENDING FROM THE BIG BEND ACROSS THE EASTERN PERMIAN BASIN. THE ETA MODEL BEST REFLECTS THE SOUTHWARD PUSH OF THE MOISTURE PLUME OVER THE PAST 12 HRS BY SLOWLY DECREASING PRECIP WATER VALUES ON THE THIS MORNING/S MODEL SOUNDINGS. THESE MODEL SOUNDINGS MAINTAIN A WINDEX AROUND 70 AND CAPE VALUES OVER 1000 J/KG FOR LATE THIS AFTERNOON...WHICH SHOULD GIVE SUFFICIENT LIFT AND MOISTURE FOR WIDELY SCATTERED CONVECTION INTO THIS EVENING. AS WEAK WINDS ALOFT PERSIST...THESE THUNDERSTORMS SHOULD GRADUALLY WANE SHORTLY AFTER SUNSET. LOOKING AHEAD TO WEDNESDAY...PRECIP WATER VALUES CONTINUE ON THE DECREASE AS AN UPPER LEVEL RIDGE STRENGTHENS OVER NEW MEXICO. YET...SUFFICIENT CAPE/INSTABILITIES AND LOW CONVECTION INHIBITION VALUES PERSIST ON WEDNESDAY FOR CONTINUED WIDELY SCATTERED LATE AFTERNOON THUNDERSTORMS ACROSS WEST TEXAS AND SOUTHEAST NEW MEXICO. MAF 69/94 10/10 CNM 69/95 10/10 MRF 60/85 10/10 P07 73/95 10/10 FAGEN/PENDERGRAST
The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 18, 7:19 PM CDT | Severe Thunderstorm Warning | MAF | Ector | 46 min |
| Aug 18, 7:32 PM CDT | Severe Thunderstorm Warning | MAF | Midland | 33 min |
| Aug 18, 7:52 PM CDT | Severe Thunderstorm Warning | MAF | Midland | 33 min |
| Aug 18, 7:56 PM CDT | Flash Flood Warning | MAF | Ector, Midland | 2 hr |
| Aug 18, 8:04 PM CDT | Severe Thunderstorm Warning | MAF | Midland | 31 min |
| Aug 18, 8:28 PM CDT | Severe Thunderstorm Warning | MAF | Glasscock | 47 min |
| Aug 18, 8:51 PM CDT | Flash Flood Warning | MAF | Glasscock, Martin | 2 hr |
| Aug 18, 9:11 PM CDT | Severe Thunderstorm Warning | MAF | Howard | 49 min |
| Aug 18, 9:43 PM CDT | Flash Flood Warning | MAF | Howard | 107 min |
| Aug 18, 9:50 PM CDT | Flash Flood Warning | MAF | Brewster | 3 hr |
| Aug 19, 6:00 PM CDT | Severe Thunderstorm Warning | MAF | Midland | 35 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; the sounding from the Mesonet's radiosonde archive.