Alert archive / Texas / Flash Flood Warnings in 2012
Flash Flood Warning 4, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at Feb 3, 2012, 8:52 PM CST for Robertson County, Texas. It was in force for 113 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Feb 3, 2012, 8:52 PM CST (02:52 UTC)
- Expired
- Feb 3, 2012, 10:45 PM CST
- In force
- 113 min
- Issued by
- NWS Fort Worth, TX
- Area
- Storm-based polygon
- Flood severity
- None
County Robertson County, TX
The radar
The Ft Hood radar (KGRK), 76 km from the middle of the area, began a volume at 02:52 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
Fort Worth, TX (KFWD), launched 00:00Z, 2.9 hours before the alert went out and 234 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
- 1201 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 959 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 209 m²/s²
- 0-3 km storm-relative helicity
- 218 m²/s²
- Significant tornado parameter
- 1.2
- Supercell composite
- 8.9
The text
As transmitted, in the capitals the NWS used until 2016.
122
WGUS54 KFWD 040252
FFWFWD
TXC395-040445-
/O.NEW.KFWD.FF.W.0004.120204T0252Z-120204T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
852 PM CST FRI FEB 3 2012
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHERN ROBERTSON COUNTY IN SOUTH CENTRAL TEXAS
* UNTIL 1045 PM CST
* AT 852 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
THUNDERSTORMS WITH HEAVY RAIN 4 MILES SOUTH OF HEARNE...MOVING
NORTHEAST AT 10 MPH. RADAR INDICATES THAT 2 TO 3 INCHES OF RAIN HAS
ALREADY FALLEN. ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 1045
PM CST.
* THE STORM PRODUCING THE HEAVY RAINFALL WILL OTHERWISE REMAIN OVER
MAINLY RURAL AREAS OF THE INDICATED COUNTY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE WATER COVERS THE ROAD TO
UNKNOWN DEPTHS. IT ONLY TAKES TWO FEET OF RUSHING WATER TO CARRY AWAY
MOST SPORT UTILITY VEHICLES AND PICKUPS. TAKE A DIFFERENT ROUTE TO
REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES. REMEMBER...
MOST FLOOD RELATED DEATHS OCCUR IN AUTOMOBILES.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW
MUCH WATER IS ON THE ROADS. IT ONLY TAKES TWO FEET OF RUSHING WATER
TO CARRY AWAY MOST SPORT UTILITY VEHICLES AND PICKUPS. MOTORISTS
SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. TAKE A DIFFERENT
ROUTE TO REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES.
&&
LAT...LON 3073 9662 3075 9663 3076 9661 3078 9665
3082 9664 3087 9670 3091 9668 3091 9671
3105 9640 3087 9637 3074 9646 3070 9658
$$2 follow-up statements
497
WGUS74 KFWD 040349
FFSFWD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
949 PM CST FRI FEB 3 2012
TXC395-040445-
/O.CON.KFWD.FF.W.0004.000000T0000Z-120204T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROBERTSON TX-
949 PM CST FRI FEB 3 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1045 PM CST FOR
SOUTHERN ROBERTSON COUNTY...
AT 945 PM CST...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED
THUNDERSTORMS WITH HEAVY RAIN 7 MILES SOUTHWEST OF HEARNE AND ALSO
10 MILES SOUTHEAST OF HEARNE. BOTH STORMS WERE MOVING EAST AT 15
MPH. RADAR INDICATES THAT 3 TO 4 INCHES OF RAIN HAS ALREADY FALLEN
IN FAR SOUTHERN ROBERTSON COUNTY NEAR THE COMMUNITY OF MUMFORD.
ANOTHER 1 TO 2 INCHES WILL BE POSSIBLE THROUGH 11 PM AS
THUNDERSTORMS CONTINUE TO DEVELOP AND MOVE EAST OVER THE AREA.
FLOODING HAS BEEN REPORTED ALONG HIGHWAY 79 WEST OF HEARNE. FLOODING
IS ALSO POSSIBLE ALONG FM 50 AND HIGHWAY 6 SOUTH OF HEARNE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLASH FLOODS. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW
MUCH WATER IS ON THE ROADS. IT ONLY TAKES TWO FEET OF RUSHING WATER
TO CARRY AWAY MOST SPORT UTILITY VEHICLES AND PICKUPS. MOTORISTS
SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. TAKE A DIFFERENT
ROUTE TO REACH YOUR DESTINATION OR WAIT UNTIL THE WATER RECEDES.
&&
LAT...LON 3073 9662 3075 9663 3076 9661 3078 9665
3082 9664 3087 9670 3091 9668 3091 9671
3105 9640 3087 9637 3074 9646 3070 9658
$$
92625
WGUS74 KFWD 040442
FFSFWD
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
1042 PM CST FRI FEB 3 2012
TXC395-040449-
/O.EXP.KFWD.FF.W.0004.000000T0000Z-120204T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ROBERTSON TX-
1042 PM CST FRI FEB 3 2012
...THE FLASH FLOOD WARNING FOR SOUTHERN ROBERTSON COUNTY EXPIRES AT
1045 PM CST...
THE HEAVY RAINFALL HAS MOVED OUT OF SOUTHERN ROBERTSON COUNTY.
FLOOD CONDITIONS ARE IMPROVING ACROSS THE WARNED AREA...THEREFORE
THE FLASH FLOOD WARNING WILL BE ALLOWED TO EXPIRE.
RESIDUAL HIGH WATER MAY STILL BE OCCURRING ALONG CREEKS AND STREAMS.
PONDING OF WATER IN LOW LYING OR OTHER POOR DRAINAGE AREAS MAY
CONTINUE THROUGH THE NEXT COUPLE OF HOURS. ADDITIONAL THUNDERSTORMS
WERE DEVELOPING TO THE WEST OF THE REGION...AND IF THESE HOLD
TOGETHER...THEY MAY RESULT IN MORE RAINFAL AND AN INCREASED FLOODING
THREAT AGAIN LATER TONIGHT.
ADDITIONAL STORMS
LAT...LON 3073 9662 3075 9663 3076 9661 3078 9665
3082 9664 3087 9670 3091 9668 3091 9671
3105 9640 3087 9637 3074 9646 3070 9658
$$
92The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 6:04 PM CST | Special Weather Statement | FWD | Henderson | 26 min |
| Feb 3, 6:29 PM CST | Severe Thunderstorm Warning | FWD | Grayson | 61 min |
| Feb 3, 6:34 PM CST | Severe Thunderstorm Warning | FWD | Denton | 56 min |
| Feb 3, 7:21 PM CST | Special Weather Statement | FWD | Milam | 24 min |
| Feb 3, 7:27 PM CST | Severe Thunderstorm Warning | FWD | Fannin, Grayson | 78 min |
| Feb 3, 7:49 PM CST | Special Weather Statement | FWD | Denton | 26 min |
| Feb 3, 8:05 PM CST | Special Weather Statement | FWD | Henderson | 25 min |
| Feb 3, 8:15 PM CST | Special Weather Statement | FWD | Collin | 30 min |
| Feb 3, 8:24 PM CST | Areal Flood Advisory | FWD | Fannin | 3 hr |
| Feb 3, 8:26 PM CST | Areal Flood Advisory | FWD | Robertson | 2 hr |
| Feb 3, 8:32 PM CST | Severe Thunderstorm Warning | FWD | Robertson | 58 min |
| Feb 3, 8:41 PM CST | Severe Thunderstorm Warning | FWD | Fannin | 64 min |
| Feb 3, 8:49 PM CST | Flash Flood Warning | FWD | Fannin | 3 hr |
| Feb 3, 9:12 PM CST | Flash Flood Warning | FWD | Milam | 3 hr |
| Feb 3, 9:31 PM CST | Special Weather Statement | FWD | Delta, Lamar | 29 min |
| Feb 3, 9:49 PM CST | Special Weather Statement | FWD | Hunt | 26 min |
| Feb 3, 10:11 PM CST | Areal Flood Advisory | FWD | Delta, Lamar | 94 min |
| Feb 3, 10:49 PM CST | Special Weather Statement | FWD | Milam | 26 min |
| Feb 3, 11:02 PM CST | Areal Flood Advisory | FWD | Milam | 88 min |
| Feb 3, 11:42 PM CST | Special Weather Statement | FWD | Falls | 33 min |
| Feb 4, 12:22 AM CST | Areal Flood Advisory | FWD | Milam, Robertson | 3 hr |
| Feb 4, 1:40 AM CST | Flash Flood Warning | FWD | Milam | 2 hr |
| Feb 4, 11:48 AM CST | River Flood Warning | FWD | Milam | 20 hr |
| Feb 4, 3:33 PM CST | River Flood Warning | FWD | Milam | 16 hr |
Nearby
Flash Flood Warnings in Texas, 2012Every flash flood warning in 2012
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.