Alert archive / Texas / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 313, NWS Midland/Odessa, TX

October 31, 1995Upton County, Texas

NWS Midland/Odessa, TX issued this severe thunderstorm warning at Oct 31, 1995, 5:57 PM CST for Upton County, Texas. It was in force for 63 min.

The area

The counties it named.

The facts

Issued
Oct 31, 1995, 5:57 PM CST (23:57 UTC)
Expired
Oct 31, 1995, 7:00 PM CST
In force
63 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 23:58 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.

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 12.0 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

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

000 
TTAA00 KMAF 312356 RRA
SVRMAF
TXC461-010100-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MIDLAND TX
557 PM CST TUE OCT 31 1995

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 700 PM CST
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN SOUTHWEST TEXAS

   ...UPTON COUNTY
 
AT 555 PM CST...A SEVERE THUNDERSTORM WAS INDICATED BY MIDLAND
DOPPLER RADAR 15 MILES WEST SOUTHWEST OF RANKIN OR 2 MILES NORTHEAST
OF MCCAMEY MOVING WEST AT 17 MPH.

SOME LOCATIONS IN THE PATH OF THIS STORM ARE...MCCAMEY.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.
REMEMBER...SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCE WARNING. REMAIN CALM BUT BE
ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS.

$$

RB
 

&

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, 8 hours 14 minutes earlier.

Area forecast discussion, Oct 31, 9:43 AM CST, 8 hours 14 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

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, 5:08 PM CSTSevere Thunderstorm WarningMAFUpton47 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.