Alert archive / Louisiana / Flash Flood Warnings in 2011
Flash Flood Warning 95, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jun 21, 2011, 11:32 AM CDT for Morehouse Parish, Richland Parish, Louisiana. It was in force for 118 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
- Jun 21, 2011, 11:32 AM CDT (16:32 UTC)
- Expired
- Jun 21, 2011, 1:30 PM CDT
- In force
- 118 min
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Morehouse Parish, LA, Richland Parish, LA
The radar
The Jackson/Brandon,MS radar (KDGX), 167 km from the middle of the area, began a volume at 16:31 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
Jackson, MS (KJAN), launched 12:00Z, 4.5 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.
- Mixed-layer CAPE
- 2624 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 598 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -9 m²/s²
- 0-3 km storm-relative helicity
- 31 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted, in the capitals the NWS used until 2016.
065
WGUS54 KJAN 211632
FFWJAN
LAC067-083-211830-
/O.NEW.KJAN.FF.W.0095.110621T1632Z-110621T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1132 AM CDT TUE JUN 21 2011
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL MOREHOUSE PARISH IN NORTHEAST LOUISIANA...
RICHLAND PARISH IN NORTHEAST LOUISIANA...
THIS INCLUDES THE CITIES OF...START...RAYVILLE...
* UNTIL 130 PM CDT
* AT 1131 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
THUNDERSTORMS PRODUCING VERY HEAVY RAIN ALONG A LINE EXTENDING FROM
17 MILES EAST OF BASTROP TO 48 MILES SOUTHWEST OF
BROWNSVILLE-BAWCOMVILLE...MOVING SOUTHEAST AT 20 MPH. ESTIMATED
RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO INCHES...HAVE
OCCURRED IN THE PAST THREE HOURS.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ALTO
AND ARCHIBALD
VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
TWO HOURS WITH AN ADDITIONAL ONE TO THREE INCHES POSSIBLE.
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 3252 9191 3267 9192 3286 9156 3273 9162
3268 9162 3267 9159 3259 9159 3259 9150
3238 9168 3238 9170 3234 9172 3227 9200
3229 9203
$$
BYB1 follow-up statement
715
WGUS74 KJAN 211823
FFSJAN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
123 PM CDT TUE JUN 21 2011
LAC067-083-211833-
/O.EXP.KJAN.FF.W.0095.000000T0000Z-110621T1830Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MOREHOUSE LA-RICHLAND LA-
123 PM CDT TUE JUN 21 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 130 PM CDT FOR RICHLAND AND
SOUTH CENTRAL MOREHOUSE PARISHES...
LAT...LON 3252 9191 3267 9192 3286 9156 3273 9162
3268 9162 3267 9159 3259 9159 3259 9150
3238 9168 3238 9170 3234 9172 3227 9200
3229 9203
$$
BYBThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 21, 7:13 AM CDT | Severe Thunderstorm Warning | JAN | Morehouse | 51 min |
| Jun 21, 7:51 AM CDT | Special Weather Statement | JAN | Richland | 44 min |
| Jun 21, 11:35 AM CDT | Special Weather Statement | JAN | Morehouse | 45 min |
| Jun 21, 12:42 PM CDT | Severe Thunderstorm Warning | JAN | East Carroll, Madison | 48 min |
| Jun 21, 3:06 PM CDT | Severe Thunderstorm Warning | JAN | Concordia | 54 min |
Nearby
Flash Flood Warnings in Louisiana, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.