Alert archive / Texas / Flash Flood Warnings in 1999

Flash Flood Warning 48, NWS Midland/Odessa, TX

June 11, 1999Reeves County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jun 11, 1999, 4:53 PM CDT for Reeves County, Texas. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 11, 1999, 4:53 PM CDT (21:53 UTC)
Expired
Jun 11, 1999, 8:00 PM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties

County Reeves County, TX

The nearest sounding before it

Midland Regional, TX (KMAF), launched 12:00Z, 9.9 hours before the alert went out and 158 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 1999-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2010 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 1999-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 192 square meters per square second.19395878Sfc1 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
2010 J/kg
Mixed-layer CIN
-68 J/kg
Mixed-layer LCL
719 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
192 m²/s²
0-3 km storm-relative helicity
312 m²/s²
Significant tornado parameter
1.9
Supercell composite
7.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KMAF 112158
FFWMAF
TXC389-120100-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND-ODESSA TX
453 PM CDT FRI JUN 11 1999

THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  EASTERN REEVES COUNTY IN TEXAS

* UNTIL 800 PM CDT

* AT 451 PM CDT...WEATHER SERVICE DOPPLER RADAR DETECTED A
  THUNDERSTORM WITH VERY HEAVY RAIN 6 MILES SOUTHEAST OF BALMORHEA...
  MOVING EAST AT 5 MPH. PREVIOUS RAINS DURING THE PAST FEW HOURS     
  HAVE SATURATED THE GROUND...FLASH FLOODING IS LIKELY ACROSS THE    
  EASTERN SECTIONS OF REEVES COUNTY.

* SOME LOCATIONS AFFECTED BY THIS FLASH FLOOD WARNING INCLUDE...     
  TOYAH LAKE...TOYAVALE...VERHALEN...SARAGOSA...PECOS AND BALMORHEA

CREEKS AND ARROYOS IN EASTERN PECOS COUNTY WILL LIKELY SEE RAPIDLY 
RISING WATER CONDITIONS OVER THE NEXT FEW HOURS.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DE^PTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.

MARTIN

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Jun 11, 3:48 PM CDT, 1 hour 5 minutes earlier.

Area forecast discussion, Jun 11, 3:48 PM CDT, 1 hour 5 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
345 PM CDT THU JUN 10 1999

SHORT TERM...
STRONG TO SEVERE CONVECTION HAS FIRED OVER THE DAVIS MOUNTAINS...
WITH CONVECTION IMMINENT ALONG THE OUTFLOW BOUNDARY EXTENDING FROM
THE ABILENE AREA NORTHWEST TO AROUND LUBBOCK.  SPC HAS PULLED
TRIGGERS ON WATCHES EXTENDING INTO SOUTHERN REACHES OF THE CWA...
PLEASE REFER TO WATCH STATUS MESSAGES FOR ADDITIONAL MESOSCALE
INFO.  SIGNIFICANT THREAT WILL BE LARGE HAIL DESPITE HIGH WBZ'S.
IN ADDITION...HIGH PRECIP WATER VALUES AND SLOW MOVEMENT ARGUE FOR
LOCALLY HEAVY RAINFALL...BUT BECAUSE THE ANTECEDENT PRECIP VALUES
ARE LOW...A FLASH FLOOD WATCH DOES NOT APPEAR IMMINENT AT THIS TIME.
PER LBB'S REQUEST...SCURRY COUNTY WILL BE FOLDED INTO A FLASH FLOOD
WATCH WITH THE 430 PM ZONE ISSUANCE.

PRECIP SHOULD CONTINUE THROUGH MUCH OF THE NIGHT...SUPPORTED BY GOOD
LOW LEVEL INFLOW...A PLETHORA OF OUTFLOW BOUNDARIES...AN APPROACHING
WEAK SHORTWAVE TROUGH...AND FAVORABLE UPPER JET DYNAMICS.  INDEED...
WATER VAPOR IMAGERY SUGGESTS A SIGNIFICANT JET STREAK PUNCHING ACROSS
NORTHERN MEXICO.  SIGNIFICANT HEAVY RAINFALL THREAT...HOWEVER...WILL
REMAIN TO THE NORTHEAST OF THE CWA.

LONG TERM...
THE KEY TO THE LATTER PERIODS WILL BE WHERE OUTFLOW BOUNDARIES SET
UP.  AGAIN...GIVEN FAVORABLE THERMODYNAMICS AND THE PRESENCE OF THESE
BOUNDARIES...A REPEAT PERFORMANCE OF DIURNAL CONVECTION LOOKS
REASONABLE SATURDAY AND AGAIN ON SUNDAY.  GUIDANCE EXTREMA LOOK
ACCEPTABLE WITH MINOR REVISIONS AT THIS END.

REAL LONG TERM...
LONG RANGE MODELS CONTINUE TO INDICATE BUILDING UPPER HEIGHTS OVER
THE WESTERN U.S. AND A DEVELOPING LONGWAVE TROUGH OVER THE
NORTHEAST.  WITH SOME NORTHWESTERLY FLOW AND A CONTINUED UNSTABLE
AIRMASS...WIDELY SCATTERED DIURNAL CONVECTION LOOKS TO BE A GOOD
BET WITH NEAR NORMAL TEMPERATURES THROUGH THE EARLY PART OF NEXT
WEEK.

THAT'S A WRAP...LBB WZIS...ABQ SHORTLY...AND BOX SCORES FOLLOW...70.

MAF 69/88/68/88 5332
CNM 68/92/67/92 2222
MRF 62/89/60/88 3333
P07 70/92/70/90 4333

In the hours before

Special weather statement, Jun 11, 12:08 PM CDT, 4 hours 45 minutes before
NMZ027>029-TXZ045>048-050>052-057>063-067>070-074-075-079>082-120500-

THUNDERSTORM OUTLOOK
NATIONAL WEATHER SERVICE MIDLAND TX
1205 PM CDT (1105 AM MDT) FRI JUN 11 1999

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

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND
TONIGHT ACROSS WEST TEXAS AND SOUTHEAST NEW MEXICO.  THE PRIMARY
RISK AREA IS GENERALLY ALONG AND EAST OF AN ARTESIA...CARLSBAD...
ALPINE LINE.

SYNOPSIS:
THUNDERSTORMS WILL DEVELOP ACROSS SOUTHEAST NEW MEXICO AND WEST
TEXAS THIS AFTERNOON AND TONIGHT. CONVERGENCE ALONG A SURFACE
DRYLINE WILL SERVE AS ONE FOCUS FOR THUNDERSTORM DEVELOPMENT ACROSS
EXTREME EASTERN NEW MEXICO AND WEST TEXAS LATE THIS AFTERNOON.
ANOTHER FOCUS WILL BE A STRONG OUTLFOW BOUNDARY HEADING SOUTH FROM
THE TEXAS PANHANDLE TOWARD THE NORTHERN PERMIAN BASIN. A THIRD FOCUS
FOR THUNDERSTORMS THIS AFTERNOON WILL BE UPSLOPE FLOW ACROSS THE
DAVIS MOUNTAINS.  IN ADDITION THE AIRMASS WILL BECOME INCREASINGLY
UNSTABLE THIS AFTERNOON AND EVENING ACROSS THE ENTIRE REGION. THE
WINDS ALOFT SHOULD BE SUFFICIENT TO ALLOW THUNDERSTORMS TO LAST INTO
THE NIGHT.

SOME OF THESE STORMS WILL BECOME SEVERE WITH LARGE HAIL AND DAMAGING
WINDS THE PRIMARY THREAT.  ISOLATED TORNADOES ARE ALSO POSSIBLE.
IN ADDITION...STORMS THAT DO DEVELOP WILL MOVE SLOWLY AND PRODUCE
RAINFALL RATES EXCEEDING 1 INCH PER HOUR.  THIS MAY RESULT IN LOCAL
AREAS OF FLASH FLOODING.

LAW ENFORCEMENT AGENCIES...EMERGENCY MANAGEMENT OFFICIALS...STORM
SPOTTER GROUPS...AND OTHER INTERESTED CONCERNS SHOULD MONITOR THIS
SITUATION AND TAKE APPROPRIATE ACTION SHOULD SEVERE WEATHER THREATEN
YOUR AREA.  SPOTTER ACTIVATION MAY BE REQUESTED LATE THIS AFTERNOON
AND TONIGHT.

FOR THE WEST CENTRAL TEXAS OUTLOOK...PLEASE SEE PRODUCT LBBSPSSJT
(WWUS35 KSJT).

12

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:06 PM CDTSevere Thunderstorm WarningMAFWinkler54 min
Jun 10, 10:24 PM CDTSevere Thunderstorm WarningMAFScurry61 min
Jun 11, 12:08 AM CDTSevere Thunderstorm WarningMAFScurry67 min
Jun 11, 3:19 PM CDTSevere Thunderstorm WarningMAFReeves56 min
Jun 11, 3:58 PM CDTSevere Thunderstorm WarningMAFPecos47 min
Jun 11, 4:40 PM CDTSevere Thunderstorm WarningMAFReeves50 min
Jun 11, 6:13 PM CDTSevere Thunderstorm WarningMAFPecos47 min
Jun 11, 6:15 PM CDTSevere Thunderstorm WarningMAFAndrews45 min
Jun 11, 6:32 PM CDTSevere Thunderstorm WarningMAFGaines43 min

Nearby

Flash Flood Warnings in Texas, 1999Every flash flood warning in 1999

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.