Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 12, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood warning at Apr 30, 1999, 9:58 PM CDT for Dawson County, Gaines County, Texas. It was in force for 107 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties.
The facts
- Issued
- Apr 30, 1999, 9:58 PM CDT (02:58 UTC)
- Expired
- Apr 30, 1999, 11:45 PM CDT
- In force
- 107 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Dawson County, TX, Gaines County, TX
The radar
The Midland/Odessa radar (KMAF), 93 km from the middle of the area, began a volume at 02:58 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 00:00Z, 3.0 hours before the alert went out and 92 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
- 386 J/kg
- Mixed-layer CIN
- -93 J/kg
- Mixed-layer LCL
- 1365 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 74 m²/s²
- 0-3 km storm-relative helicity
- 146 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMAF 010259
FFWMAF
TXC115-165-010445-
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD/FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND-ODESSA TX
958 PM CDT FRI APR 30 1999
THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHERN DAWSON COUNTY IN TEXAS
GAINES COUNTY IN TEXAS
THIS INCLUDES THE CITIES OF...SEAGRAVES...SEMINOLE
* UNTIL 1145 PM CDT
* AT 952 PM CDT...WEATHER SERVICE DOPPLER RADAR DETECTED
THUNDERSTORMS WITH VERY HEAVY RAIN IN EASTERN GAINES AND
NORTHERN DAWSON COUNTIES...MOVING NORTHEAST AT 20 MPH. RADAR
ESTIMATES AS MUCH AS 6 INCHES HAS FALLEN ACROSS PORTIONS OF GAINES
COUNTY.
* FLOODING WILL CONTINUE IN SEMINOLE AND MUCH OF GAINES COUNTY FROM
HEAVY RAINS EARLIER THIS EVENING. FLASH FLOODING IS LIKELY TO
DEVELOP ACROSS NORTHERN DAWSON COUNTY AS HEAVY RAINS MOVE ACROSS THE
AREA.
EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF SMALL
CREEKS AND STREAMS...UNDERPASSES...LOW WATER CROSSINGS...AND NORMALLY
DRY WASHES.
RESIDENTS IN THE WARNING AREA SHOULD MONITOR FLOOD CONDITIONS AN BE
PREPARED TO MOVE TO HIGHER GROUND IF FLOODWATERS THREATEN.
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT. MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS
THE ROADWAY. NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL
ONE...ON FOO&T. TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.
LAT...LON 3295 10286 3252 10289 3252 10221 3268 10220
3273 10188 3296 10184What 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 Apr 30, 8:33 PM CDT, 1 hour 25 minutes earlier.
Area forecast discussion, Apr 30, 8:33 PM CDT, 1 hour 25 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIDLAND TX 833 PM CDT FRI APR 30 1999 A VERY BUSY WEATHER DAY NOTED FOR AREAS WEST AND NORTH OF MAF...AS SEVERE T-STORMS AND EXCESSIVE RAINS CONTINUED FROM EXTREME SE NM TOWARD CNTL GAINES CNTY. RUNOFF AMOUNTS UP TO THE HOODS OF AUTOS WAS REPORTED AROUND SEMINOLE EARLIER...WITH HAIL DEPTHS RANGING FROM 2-4 INCHES SOUTH OF HOBBS AT NADINE TO 10 INCHES AT SEMINOLE. THUS A FLASH FLOOD WATCH FOR OUR N/W COUNTIES A GOOD CALL EARLIER. 00Z SFC MAP INDICATED THE DRYLINE HAS MOVED WEST OF MARFA...WERE TDS JUMPED FROM 21F TO 52F AT 00Z. 21Z RUC MODEL SHOWS INCREASING DIFFLUENCE ALOFT...AS A SPEED MAX AROUND THE BAJA NEARS THIS REGION. THUS A CHANCE OF MORE STORMS TONIGHT. AS THE DAYTIME HEATING SUBSIDES...AM CONCERNED ABOUT FLOODING FROM MORE SLOW MOVING STORMS OVER THE SAME AFFECTED AREAS. AS THIS DISTURBANCE APPROACHES...RW AND T-STORMS COULD DEVELOP FARTHER SOUTHWARD OVERNIGHT. THE CURRENT CONFIGURATION OF FFW LOOKS GOOD IN CURRENT FORECASTS. WE ARE CLEARING SOME OF OUR SW COUNTIES OUT OF THE TORNADO WATCH. WILL SEND OUT REVISED ZONES SOON. RSB
In the hours before
Special weather statement, Apr 30, 8:38 PM CDT, 1 hour 20 minutes before
NMZ028-029-TXZ045-050-051-058>062-067>069-075-082-010230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MIDLAND-ODESSA TX 838 PM CDT FRI APR 30 1999 ...TORNADO WATCH CANCELLED FOR PORTIONS OF SOUTHEAST NEW MEXICO AND SOUTHWEST TEXAS... THE NATIONAL WEATHER SERVICE IN MIDLAND HAS CANCELLED PORTIONS OF TORNADO WATCH 191. THE FOLLOWING COUNTIES ARE NO LONGER IN THE TORNADO WATCH AREA... IN SOUTHEAST NEW MEXICO... EDDY LEA IN WEST TEXAS... CRANE PECOS REAGAN REEVES MIDLAND UPTON WARD WINKLER TERRELL ECTOR LOVING THE TORNADO WATCH STILL REMAINS IN EFFECT FOR THE WEST TEXAS COUNTIES OF GAINES...ANDREWS...AND MARTIN UNTIL 11 PM CDT. STRONG THUNDERSTORMS REMAIN OVER ANDREWS AND GAINES COUNTY AT THIS HOUR...AND THESE COULD PROPOGATE INTO MARTIN COUNTY LATER TONIGHT. THE RISK OF SEVERE WEATHER HAS TEMPORARILY DECREASED ACROSS THE OTHER COUNTIES IN WEST TEXAS AND SOUTHEAST NEW MEXICO. HOWEVER... ADDITIONAL THUNDERSTORMS COULD REDEVELOP ACROSS THESE AREAS LATER TONIGHT...BRINGING AN ADDITIONAL RISK OF THUNDERSTORM DEVELOPMENT. DJK
Local storm report, Apr 30, 8:55 PM CDT, 1 hour 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIDLAND TX
855 PM CDT FRI APR 30 1999
TIME(CDT) .....CITY LOCATION..... STATE...EVENT/REMARKS...
....COUNTY LOCATION....
1142 AM 7 NW MENTONE TX TORNADO
04/30/99 LOVING SPOTTER REPORTED TORNADO
1230 PM 7 N ORLA TX 1.00 INCH HAIL
04/30/99 REEVES
1240 PM 30 SE CARLSBAD NM 1.75 INCH HAIL
04/30/99 EDDY GOLFBALL HAIL NEAR STATE LINE
1240 PM 14 NM ORLA TX 1.75 INCH HAIL
04/30/99 LOVING GOLFBALL HAIL NEAR STATE LINE
115 PM MARATHON TX 0.88 INCH HAIL
04/30/99 BREWSTER
328 PM EUNICE NM TORNADO
04/30/99 LEA SPOTTER REPORTED TORNADO
NEAR HIGHWAY 176
335 PM 13 W SEMINOLE TX TORNADO
04/30/99 GAINES SPOTTER REPORTED TORNADO
345 PM 5 SW DENVER CITY TX TORNADO
04/30/99 GAINES MEDIA REPORTED TORNADO
400 PM 15 S HOBBS NM 1.00 INCH HAIL
04/30/99 LEA
522 PM EUNICE NM 1.75 INCH HAIL
04/30/99 LEA
530 PM 7 SW HOBBS NM 1.00 INCH HAIL
04/30/99 LEA
535 PM 8 W HOBBS NM FLOODING
04/30/99 LEA WATER FLOODING HWY 62
630 PM SEMINOLE TX 2.00 INCH HAIL
04/30/99 GAINES
718 PM SEMINOLE TX 0.75 INCH HAIL
04/30/99 GAINES
725 PM SEMINOLE TX FLOODING
04/30/99 GAINES STALLED VEHICLES IN TOWN
FLOODING CLOSED HWY 385
01Local storm report, Apr 30, 8:55 PM CDT, 1 hour 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MIDLAND TX
855 PM CDT FRI APR 30 1999
TIME(CDT) .....CITY LOCATION..... STATE...EVENT/REMARKS...
....COUNTY LOCATION....
1142 AM 7 NW MENTONE TX TORNADO
04/30/99 LOVING SPOTTER REPORTED TORNADO
1230 PM 7 N ORLA TX 1.00 INCH HAIL
04/30/99 REEVES
1240 PM 30 SE CARLSBAD NM 1.75 INCH HAIL
04/30/99 EDDY GOLFBALL HAIL NEAR STATE LINE
1240 PM 14 NM ORLA TX 1.75 INCH HAIL
04/30/99 LOVING GOLFBALL HAIL NEAR STATE LINE
115 PM MARATHON TX 0.88 INCH HAIL
04/30/99 BREWSTER
328 PM EUNICE NM TORNADO
04/30/99 LEA SPOTTER REPORTED TORNADO
NEAR HIGHWAY 176
335 PM 13 W SEMINOLE TX TORNADO
04/30/99 GAINES SPOTTER REPORTED TORNADO
345 PM 5 SW DENVER CITY TX TORNADO
04/30/99 GAINES MEDIA REPORTED TORNADO
400 PM 15 S HOBBS NM 1.00 INCH HAIL
04/30/99 LEA
522 PM EUNICE NM 1.75 INCH HAIL
04/30/99 LEA
530 PM 7 SW HOBBS NM 1.00 INCH HAIL
04/30/99 LEA
535 PM 8 W HOBBS NM FLOODING
04/30/99 LEA WATER FLOODING HWY 62
630 PM SEMINOLE TX 2.00 INCH HAIL
04/30/99 GAINES
718 PM SEMINOLE TX 0.75 INCH HAIL
04/30/99 GAINES
725 PM SEMINOLE TX FLOODING
04/30/99 GAINES STALLED VEHICLES IN TOWN
FLOODING CLOSED HWY 385
01The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 30, 7:16 PM CDT | Flash Flood Warning | MAF | Gaines | 3 hr |
| Apr 30, 7:36 PM CDT | Severe Thunderstorm Warning | MAF | Gaines | 39 min |
| Apr 30, 10:19 PM CDT | Flash Flood Warning | MAF | Dawson | 101 min |
| Apr 30, 11:30 PM CDT | Flash Flood Warning | MAF | Borden | 2 hr |
| May 1, 2:37 PM CDT | Tornado Warning | MAF | Andrews | 68 min |
| May 1, 3:20 PM CDT | Flash Flood Warning | MAF | Gaines | 3 hr |
| May 1, 3:58 PM CDT | Tornado Warning | MAF | Andrews, Ector | 32 min |
| May 1, 4:06 PM CDT | Tornado Warning | MAF | Gaines | 24 min |
| May 1, 4:25 PM CDT | Tornado Warning | MAF | Dawson, Gaines | 35 min |
| May 1, 4:29 PM CDT | Tornado Warning | MAF | Andrews | 46 min |
| May 1, 4:56 PM CDT | Tornado Warning | MAF | Dawson | 34 min |
| May 1, 5:36 PM CDT | Tornado Warning | MAF | Martin | 24 min |
| May 1, 5:56 PM CDT | Tornado Warning | MAF | Martin | 34 min |
| May 1, 6:30 PM CDT | Tornado Warning | MAF | Martin | 30 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; radar from the NEXRAD Level II archive.