Alert archive / Texas / Flash Flood Warnings in 2011
Flash Flood Warning 3, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood warning at Jul 22, 2011, 3:50 PM CDT for Brewster County, Jeff Davis County, Presidio County, Texas. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 22, 2011, 3:50 PM CDT (20:50 UTC)
- Expired
- Jul 22, 2011, 6:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Midland/Odessa, TX
- Area
- Storm-based polygon
- Flood severity
- None
Counties Brewster County, TX, Jeff Davis County, TX, Presidio County, TX
The radar
The Midland/Odessa radar (KMAF), 224 km from the middle of the area, began a volume at 20:49 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 22, 4:49 PM CDT | FLASH FLOOD | 6 Sw Fort Davis, TX | 1 FOOT OF WATER RUNNING OVER HWY 166 |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 8.8 hours before the alert went out and 224 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
- 740 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 1346 m above ground
- 0-6 km bulk shear
- 7 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
794
WGUS54 KMAF 222050
FFWMAF
TXC043-243-377-222345-
/O.NEW.KMAF.FF.W.0003.110722T2050Z-110722T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
350 PM CDT FRI JUL 22 2011
THE NATIONAL WEATHER SERVICE IN MIDLAND HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EXTREME NORTHWESTERN BREWSTER COUNTY IN SOUTHWEST TEXAS...
EASTERN JEFF DAVIS COUNTY IN SOUTHWEST TEXAS...
EXTREME NORTHEASTERN PRESIDIO COUNTY IN SOUTHWEST TEXAS...
* UNTIL 645 PM CDT
* AT 345 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
FLASH FLOODING FROM AN AREA OF THUNDERSTORMS NEARLY STATIONARY
OVER JEFF DAVIS COUNTY. THE HEAVIEST RAIN WAS FALLING ABOUT 3 MILES
SOUTHWEST OF FORT DAVIS. RAINFALL RATES NEAR AN INCH PER HOUR CAN
BE EXPECTED WITH THESE THUNDERSTORMS. MOTORISTS TRAVELING IN AND
AROUND FORT DAVIS SHOULD USE EXTREME CAUTION...ESPECIALLY ALONG
STATE HIGHWAY 17 AND 166.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT DAVIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
ADDITIONAL RAINFALL IS EXPECTED WHICH COULD INCREASE THE POTENTIAL
FOR FLOODING IN THE WARNED AREA.
FLASH FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW
WHERE YOU ARE RELATIVE TO ARROYOS... DRAWS... AND OTHER LOW LYING
AREAS. HEAVY RAINFALL... EVEN FROM DISTANT STORMS... CAN CREATE
SUDDEN FLOWS CAPABLE OF OVERTAKING CAMPERS AND HIKERS. MOVE UP TO
ESCAPE RISING WATER. DO NOT ATTEMPT TO DRIVE THROUGH WATER COVERED
ROADWAYS.
&&
LAT...LON 3048 10424 3090 10380 3067 10345 3041 10379
3041 10389
$$2 follow-up statements
738
WGUS74 KMAF 222128
FFSMAF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
428 PM CDT FRI JUL 22 2011
TXC043-243-377-222345-
/O.CON.KMAF.FF.W.0003.000000T0000Z-110722T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BREWSTER-JEFF DAVIS-PRESIDIO-
428 PM CDT FRI JUL 22 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHEASTERN PRESIDIO...EASTERN JEFF DAVIS AND EXTREME NORTHWESTERN
BREWSTER COUNTIES...
AT 418 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
DETECT FLASH FLOODING FROM AN AREA OF THUNDERSTORMS MOVING SOUTH
AROUND 10 MPH OVER SOUTHEAST JEFF DAVIS COUNTY NEAR FORT DAVIS.
TRAINED SPOTTERS HAVE REPORTED DRAINAGE DITCHES ARE OVERFLOWING ONTO
ROADWAYS ALONG STATE HIGHWAY 166 SOUTHWEST OF FORT DAVIS. RAINFALL
RATES HAVE DECREASED ACROSS THE AREA...BUT ADDITIONAL RAINFALL WILL
CONTINUE TO RESULT IN FLASH FLOODING NEAR FORT DAVIS ESPECIALLY
ALONG STATE HIGHWAY 166 AND 17.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO FORT DAVIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. IT IS IMPORTANT TO KNOW WHERE
YOU ARE RELATIVE TO STREAMS...RIVERS...OR CREEKS WHICH CAN BECOME
KILLERS IN HEAVY RAINS. CAMPERS AND HIKERS SHOULD AVOID STREAMS OR
CREEKS.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
&&
LAT...LON 3048 10424 3090 10380 3067 10345 3041 10379
3041 10389
$$365
WGUS74 KMAF 222159
FFSMAF
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MIDLAND/ODESSA TX
459 PM CDT FRI JUL 22 2011
TXC043-243-377-222345-
/O.CON.KMAF.FF.W.0003.000000T0000Z-110722T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BREWSTER-JEFF DAVIS-PRESIDIO-
459 PM CDT FRI JUL 22 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR
NORTHEASTERN PRESIDIO...EASTERN JEFF DAVIS AND EXTREME NORTHWESTERN
BREWSTER COUNTIES...
AT 450 PM CDT...THE FORT DAVIS FIRE DEPARTMENT REPORTED FLASH FLOODING
ALONG STATE HIGHWAY 166 SOUTH OF BLUE MOUNTAIN...OR ABOUT 6 MILES
SOUTHWEST OF FORT DAVIS. ONE FOOT OF WATER IS FLOWING OVER THE ROADWAY.
IN ADDITION...THE FIRE DEPARTMENT REPORTED THE FORCE OF THE WATER
WAS PUSHING FENCES OVER. MOTORISTS SHOULD AVOID TRAVELING ALONG STATE
HIGHWAY 116 SOUTHWEST OF FORT DAVIS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO...
FORT DAVIS...
STATE HIGHWAYS 166 AND 17...
THE DAVIS MOUNTAINS STATE PARK...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. IT TAKES ONLY A FEW
INCHES OF RAPIDLY FLOWING WATER TO QUICKLY CARRY AWAY YOUR VEHICLE.
&&
LAT...LON 3048 10424 3090 10380 3067 10345 3041 10379
3041 10389
$$The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 3:25 PM CDT | Areal Flood Advisory | MAF | Brewster, Jeff Davis, Pecos, Presidio, Reeves | 3 hr |
| Jul 22, 4:59 PM CDT | Areal Flood Advisory | MAF | Pecos, Reeves | 3 hr |
| Jul 22, 6:24 PM CDT | Areal Flood Advisory | MAF | Brewster, Pecos | 3 hr |
Nearby
Flash Flood Warnings in Texas, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.