Alert archive / Louisiana / Flash Flood Warnings in 2012
Flash Flood Warning 7, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Feb 4, 2012, 9:24 AM CST for Catahoula Parish, Franklin Parish, Louisiana. 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
- Feb 4, 2012, 9:24 AM CST (15:24 UTC)
- Expired
- Feb 4, 2012, 12:30 PM CST
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Catahoula Parish, LA, Franklin Parish, LA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 4, 11:00 AM CST | FLASH FLOOD | Larto, LA | SOME STREETS WERE FLOODED IN LARTO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Jackson, MS (KJAN), launched 12:00Z, 3.4 hours before the alert went out and 171 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
- 54 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 516 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 150 m²/s²
- 0-3 km storm-relative helicity
- 183 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
814
WGUS54 KJAN 041524
FFWJAN
LAC025-041-041830-
/O.NEW.KJAN.FF.W.0007.120204T1524Z-120204T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
924 AM CST SAT FEB 4 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CATAHOULA PARISH IN NORTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF LARTO...
FRANKLIN PARISH IN NORTHEAST LOUISIANA...
THIS INCLUDES THE CITY OF WINNSBORO...
* UNTIL 1230 PM CST
* AT 923 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING FROM
6 MILES SOUTHWEST OF JIGGER TO 8 MILES SOUTHWEST OF
MANIFEST...MOVING EAST AT 35 MPH. ESTIMATED RADAR RAINFALL
AMOUNTS...ON THE ORDER OF AN INCH...HAVE OCCURRED IN THE PAST HOUR.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WALTERS...ARCHIE...WISNER...MAYNA...WALLACE RIDGE...CROWVILLE...
JONESVILLE...BAKERS AND LEE BAYOU
VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
THREE HOURS WITH AN ADDITIONAL ONE TO THREE INCHES POSSIBLE. THIS
RAINFALL IS OCCURRING OVER LOCATIONS THAT RECEIVED 3 TO 4 INCHES OF
RAIN YESTERDAY. SATURATED CONDITIONS WILL LEAD TO RUNOFF VERY
QUICKLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROADWAY. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3194 9200 3193 9191 3207 9193 3233 9177
3240 9149 3225 9155 3200 9150 3187 9158
3174 9153 3175 9169 3164 9171 3162 9181
3148 9180 3150 9185 3142 9186 3139 9178
3136 9186 3128 9182 3122 9199
$$
CME1 follow-up statement
510
WGUS74 KJAN 041740
FFSJAN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1140 AM CST SAT FEB 4 2012
LAC025-041-041830-
/O.CON.KJAN.FF.W.0007.000000T0000Z-120204T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
FRANKLIN LA-CATAHOULA LA-
1140 AM CST SAT FEB 4 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 PM CST FOR
CATAHOULA AND FRANKLIN PARISHES...
AT 1139 AM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT A BAND OF HEAVY RAIN NEAR WALLACE RIDGE...OR 14 MILES
NORTHWEST OF FERRIDAY. THE STORMS WERE NEARLY STATIONARY. ESTIMATED
RADAR RAINFALL AMOUNTS...ON THE ORDER OF ONE TO THREE INCHES...HAVE
OCCURRED IN THE PAST TWO HOURS.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO LEE
BAYOU...AIMWELL...SHERWOOD...ENTERPRISE...ROSEFIELD...JIGGER...
LIDDIEVILLE...CROWVILLE...BAKERS...WISNER AND WINNSBORO
RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT HOUR. WITH
AN ADDITIONAL ONE INCH POSSIBLE. SINCE YESTERDAY...4 TO 5 INCHES OF
RAIN HAS FALLEN ACROSS THIS AREA...ANY ADDITIONAL RAINFALL WILL
AGGRAVATE THE SITUATION.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE WATER COVERS THE ROADWAY. WHEN ENCOUNTERING FLOODED ROADS
MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3194 9200 3193 9191 3207 9193 3233 9177
3240 9149 3225 9155 3200 9150 3187 9158
3174 9153 3175 9169 3164 9171 3162 9181
3148 9180 3150 9185 3142 9186 3139 9178
3136 9186 3128 9182 3122 9199
$$
CMEThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 4, 2:34 AM CST | Flash Flood Watch | JAN | Catahoula, Concordia, East Carroll, Franklin, Madison, Richland and 2 more | 12 hr |
| Feb 4, 8:59 AM CST | Special Weather Statement | JAN | Franklin | 41 min |
| Feb 4, 9:56 AM CST | Flash Flood Warning | JAN | Concordia, Tensas | 3 hr |
| Feb 4, 10:16 AM CST | Special Weather Statement | JAN | East Carroll | 44 min |
Nearby
Flash Flood Warnings in Louisiana, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.