Alert archive / Mississippi / Flash Flood Warnings in 2012
Flash Flood Warning 148, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Oct 1, 2012, 12:29 AM CDT for Attala County, Madison County, Mississippi. It was in force for 2 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Oct 1, 2012, 12:29 AM CDT (05:29 UTC)
- Expired
- Oct 1, 2012, 2:30 AM CDT
- In force
- 2 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Attala County, MS, Madison County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 87 km from the middle of the area, began a volume at 05:32 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 00:00Z, 5.5 hours before the alert went out and 85 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
- 1160 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 613 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 236 m²/s²
- 0-3 km storm-relative helicity
- 316 m²/s²
- Significant tornado parameter
- 1.3
- Supercell composite
- 10.6
The text
As transmitted, in the capitals the NWS used until 2016.
579
WGUS54 KJAN 010529
FFWJAN
MSC007-089-010730-
/O.NEW.KJAN.FF.W.0148.121001T0529Z-121001T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1229 AM CDT MON OCT 1 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WESTERN ATTALA COUNTY IN CENTRAL MISSISSIPPI...
NORTHEASTERN MADISON COUNTY IN CENTRAL MISSISSIPPI...
* UNTIL 230 AM CDT
* AT 1228 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
THUNDERSTORMS PRODUCING VERY HEAVY RAIN FROM NEAR CAMERON TO
HESTERVILLE MOVING NORTH REPEATEDLY ACROSS THE WARNED AREA.
ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO TO FOUR
INCHES...HAVE OCCURRED IN THE PAST TWO HOURS.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
POSSUMNECK
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 3328 8952 3293 8969 3293 8973 3286 8973
3273 8991 3283 9000 3288 8996 3293 8990
3300 8988 3307 8982 3311 8983 3313 8979
3319 8978 3320 8975 3329 8970
$$
EEC1 follow-up statement
408
WGUS74 KJAN 010620
FFSJAN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
120 AM CDT MON OCT 1 2012
MSC089-010629-
/O.CAN.KJAN.FF.W.0148.000000T0000Z-121001T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON MS-
120 AM CDT MON OCT 1 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHEASTERN
MADISON COUNTY...
THE HEAVY RAINFALL HAS ENDED OVER NORTHEASTERN MADISON COUNTY.
LAT...LON 3328 8952 3293 8969 3293 8990 3300 8988
3304 8983 3307 8982 3311 8983 3313 8979
3319 8978 3320 8975 3329 8970
$$
MSC007-010730-
/O.CON.KJAN.FF.W.0148.000000T0000Z-121001T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ATTALA MS-
120 AM CDT MON OCT 1 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT FOR
WESTERN ATTALA COUNTY...
AT 119 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN OVER WESTERN ATTLA
COUNTY. THE STORMS WERE MOVING NORTH REPEATEDLY ACROSS THE WARNING
AREA. ESTIMATED RADAR RAINFALL AMOUNTS...ON THE ORDER OF THREE TO
FIVE INCHES...HAVE OCCURRED IN THE PAST TWO HOURS.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
HESTERVILLE AND POSSUMNECK
VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
HOUR. WITH AN ADDITIONAL ONE INCH 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 3328 8952 3293 8969 3293 8990 3300 8988
3304 8983 3307 8982 3311 8983 3313 8979
3319 8978 3320 8975 3329 8970
$$
EECThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 30, 7:37 PM CDT | Flash Flood Warning | JAN | Holmes, Humphreys, Issaquena, Sharkey, Warren, Yazoo | 3 hr |
| Sep 30, 8:55 PM CDT | Flash Flood Warning | JAN | Carroll, Grenada, Leflore | 3 hr |
| Sep 30, 9:22 PM CDT | Areal Flood Warning | JAN | Sunflower, Washington | 4 hr |
Nearby
Flash Flood Warnings in Mississippi, 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.