Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 312, NWS Midland/Odessa, TX

October 31, 1995Upton County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Oct 31, 1995, 5:08 PM CST for Upton County, Texas. It was in force for 47 min.

The area

The counties it named.

The facts

Issued
Oct 31, 1995, 5:08 PM CST (23:08 UTC)
Expired
Oct 31, 1995, 5:55 PM CST
In force
47 min
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Upton County, TX

The radar

The Midland/Odessa radar (KMAF), 65 km from the middle of the area, began a volume at 23:12 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.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 11.1 hours before the alert went out and 66 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 1995-10-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 399 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 12:00Z on 1995-10-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 3 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
399 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
602 m above ground
0-6 km bulk shear
10 kt
0-1 km storm-relative helicity
3 m²/s²
0-3 km storm-relative helicity
29 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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 Oct 31, 9:43 AM CST, 7 hours 25 minutes earlier.

Area forecast discussion, Oct 31, 9:43 AM CST, 7 hours 25 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
943 AM CST (843 AM MST) TUE OCT 31 1995

RECOMMEND DECREASED CLOUDS...INCREASED TEMPS THIS AFTERNOON.

88D INDICATES RAINS HAVE MOVED NORTH AND EAST OF THE PERMIAN BASIN
FOR THE TIME BEING...LEAVING MORE SUN THAN CLOUDS.  MAF 15Z SURFACE
OBS INDICATED PRESSURE RISING RAPIDLY WITH A WIND SHIFT TO THE SE
INDICATING THAT AN IMPULSE MOVED THROUGH THE LOCAL AREA.

WATER VAPOR IMAGERY INDICATED A MID/UPPER LEVEL LOW OVER OLD MEXICO
SOUTH OF ELP PROVIDING THE NEXT IMPULSE.  A QUICK LOOK AT THE 12Z
ETA GRIDS SHOWS GOOD UPWARD FORCING WITH Q-VECTOR CONVERGENCE
ACROSS THE BIG BEND BY 18Z.  AS THE MAX UPWARD FORCING MOVES EASTWARD
BY 00Z...ETA SUGGESTS FRONTOGENESIS JUST E OF P07 BY 00Z AND THE
SOUTHEASTERN PORTION OF THE CWA RAPIDLY BECOMING CONVECTIVELY
UNSTABLE.  LEANING TOWARD THE MORE CONVECTIVE ETA SOLUTION AS THE
EARLIER NGM OVERFORECAST THE CLOUDINESS AND LESSENED THE CONVECTIVE
RISK.  SELS REFLECTS THIS TREND WITH A SLIGHT SEVERE RISK AREA
EXTENDING EAST OF A P07-INK LINE FOR LATER TODAY.

CNM    75/30
MAF    77/30
MRF    72/40
P07    77/40

FAGEN

In the hours before

Special weather statement, Oct 31, 11:08 AM CST, 6 hours before
TXZ045>048-050>052-057>063-067>070-074-075-079>082-NMZ027>029-010500-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE MIDLAND TX
1109 AM CST (1009 AM MST) TUE OCT 31 1995

THIS OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN WEST TEXAS:

ANDREWS   CULBERSON  GLASSCOCK   MARTIN    REAGAN   UPTON
BORDEN    DAWSON     HOWARD      MIDLAND   REEVES   WARD
BREWSTER  ECTOR      JEFF DAVIS  PECOS     SCURRY   WINKLER
CRANE     GAINES     LOVING      PRESIDIO  TERRELL

AND IN SOUTHEAST NEW MEXICO:

EDDY      LEA

SYNOPSIS:
AN UPPER LEVEL LOW PRESSURE SYSTEM LOCATED OVER NORTHERN MEXICO WILL
MOVE ACROSS WEST TEXAS LATE THIS AFTERNOON.  THIS LOW PRESSURE SYSTEM
COMBINED WITH A MODERATELY UNSTABLE AIR MASS DUE TO AFTERNOON HEATING
WILL LEAD TO LATE AFTERNOON WIDELY SCATTERED SHOWERS AND
THUNDERSTORMS ACROSS WEST TEXAS AND SOUTHEAST NEW MEXICO. A FEW OF
THESE THUNDERSTORM MAY APPROACH SEVERE LIMITS EAST OF THE DRYLINE...
MAINLY EAST OF A SANDERSON TO WINK TEXAS LINE.

SPOTTER ACTIVATION MAY BE REQUIRED.

FAGEN

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 31, 2:54 PM CSTSevere Thunderstorm WarningMAFWard39 min
Oct 31, 2:54 PM CSTSevere Thunderstorm WarningMAFCrane, Pecos61 min
Oct 31, 3:30 PM CSTSevere Thunderstorm WarningMAFTerrell60 min
Oct 31, 4:12 PM CSTSevere Thunderstorm WarningMAFUpton58 min
Oct 31, 4:54 PM CSTSevere Thunderstorm WarningMAFTerrell66 min
Oct 31, 5:57 PM CSTSevere Thunderstorm WarningMAFUpton63 min

Nearby

Severe Thunderstorm Warnings in Texas, 1995Every severe thunderstorm warning in 1995

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; radar from the NEXRAD Level II archive.