Alert archive / Texas / Flash Flood Warnings in 1994

Flash Flood Warning 10, NWS Midland/Odessa, TX

May 11, 1994Upton County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at May 11, 1994, 8:46 PM CDT for Upton County, Texas. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued: May 11, 1994, 8:46 PM CDT (01:46 UTC)
Expired: May 11, 1994, 11:45 PM CDT
In force: 3 hr
Issued by: NWS Midland/Odessa, TX
Area: Whole counties

County Upton County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 1.8 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 453 J/kg
Mixed-layer CIN: -222 J/kg
Mixed-layer LCL: 997 m above ground
0-6 km bulk shear: 65 kt
0-1 km storm-relative helicity: 242 m²/s²
0-3 km storm-relative helicity: 272 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.9

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 120154 COR
FFWMAF
TXC461-120445-

BULLETIN - EBS ACTIVATION REQUESTED
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING...CORRECTION...
NATIONAL WEATHER SERVICE MIDLAND TX
846 PM CDT WED MAY 11 1994

THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
SEVERE THUNDERSTORM AND FLASH FLOOD WARNING
EFFECTIVE UNTIL 1145 PM CDT
FOR PEOPLE IN THE FOLLOWING LOCATION...

IN WEST TEXAS

   ...UPTON COUNTY

AT 843 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM IN
UPTON COUNTY...AND A SECOND SEVERE THUNDERSTORM MOVING OUT OF PECOS
COUNTY INTO SOUTH UPTON COUNTY. REPORTS OF OVER 1 INCH OF RAINFALL HAVE
BEEN RECEIVED FROM UPTON COUNTY AND WITH THIS SECOND STORM NOW MOVING
INTO UPTON COUNTY THE THREAT OF FLASH FLOODING EXIST.

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.

The office that day

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

Issued	Product	Office	Counties	Lasted
May 11, 7:02 PM CDT	Severe Thunderstorm Warning	MAF	Howard	58 min
May 11, 7:17 PM CDT	Flash Flood Warning	MAF	Howard	118 min
May 11, 7:23 PM CDT	Flash Flood Warning	MAF	Pecos	3 hr
May 11, 7:37 PM CDT	Severe Thunderstorm Warning	MAF	Upton	68 min
May 11, 9:14 PM CDT	Flash Flood Warning	MAF	Glasscock	3 hr
May 12, 12:51 PM CDT	Flash Flood Warning	MAF	Andrews, Gaines	3 hr
May 12, 1:18 PM CDT	Tornado Warning	MAF	Ector	57 min
May 12, 1:49 PM CDT	Tornado Warning	MAF	Crane, Pecos	56 min
May 12, 2:13 PM CDT	Severe Thunderstorm Warning	MAF	Ector	62 min
May 12, 3:03 PM CDT	Flash Flood Warning	MAF	Pecos	117 min
May 12, 3:03 PM CDT	Flash Flood Warning	MAF	Upton	117 min
May 12, 3:31 PM CDT	Severe Thunderstorm Warning	MAF	Gaines	59 min
May 12, 3:55 PM CDT	Severe Thunderstorm Warning	MAF	Ector	65 min
May 12, 4:52 PM CDT	Tornado Warning	MAF	Midland	59 min
May 12, 5:05 PM CDT	Flash Flood Warning	MAF	Pecos	3 hr
May 12, 5:05 PM CDT	Flash Flood Warning	MAF	Upton	3 hr
May 12, 5:39 PM CDT	Flash Flood Warning	MAF	Martin	2 hr
May 12, 6:13 PM CDT	Severe Thunderstorm Warning	MAF	Borden, Howard	62 min

Nearby

Flash Flood Warnings in Texas, 1994 Every flash flood warning in 1994

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.