Alert archive / Mississippi / Flash Flood Warnings in 2012
Flash Flood Warning 42, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Apr 17, 2012, 10:17 AM CDT for 4 counties in Mississippi. It was in force for 4 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
- Apr 17, 2012, 10:17 AM CDT (15:17 UTC)
- Expired
- Apr 17, 2012, 2:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Claiborne County, MS, Hinds County, MS, Madison County, MS, Warren County, MS
The radar
The Jackson/Brandon,MS radar (KDGX), 57 km from the middle of the area, began a volume at 15:21 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, 3.3 hours before the alert went out and 48 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
- 157 J/kg
- Mixed-layer CIN
- -74 J/kg
- Mixed-layer LCL
- 444 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 112 m²/s²
- 0-3 km storm-relative helicity
- 219 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
527
WGUS54 KJAN 171517
FFWJAN
MSC021-049-089-149-171915-
/O.NEW.KJAN.FF.W.0042.120417T1517Z-120417T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
1017 AM CDT TUE APR 17 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
HINDS COUNTY IN CENTRAL MISSISSIPPI...
THIS INCLUDES THE CITIES OF...BYRAM...JACKSON...CLINTON...
SOUTHWESTERN MADISON COUNTY IN CENTRAL MISSISSIPPI...
THIS INCLUDES THE CITIES OF...RIDGELAND...MADISON...
NORTHERN CLAIBORNE COUNTY IN SOUTHWEST MISSISSIPPI...
EASTERN WARREN COUNTY IN WEST CENTRAL MISSISSIPPI...
THIS INCLUDES THE CITIES OF...REDWOOD...VICKSBURG...
* UNTIL 215 PM CDT
* AT 1012 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
SHOWERS AND THUNDERSTORMS WITH HEAVY RAIN MOVING REPEATEDLY NORTH
ACROSS THE WARNING AREA. ESTIMATED RADAR RAINFALL AMOUNTS...ON
THE ORDER OF TWO TO THREE INCHES...HAVE OCCURRED IN THE PAST FEW
HOURS.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ANNANDALE...YOUNGTON...OAK RIDGE...FLOWERS...BOVINA...
BROWNSVILLE...POCAHONTAS...FLORA AND BOLTON
HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT THREE
HOURS WITH AN ADDITIONAL TWO 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 3226 9098 3234 9091 3234 9092 3241 9090
3259 9066 3255 9066 3251 9052 3259 9044
3266 9021 3239 9006 3225 9020 3220 9019
3215 9026 3210 9024 3205 9028 3205 9071
3201 9108 3204 9109
$$1 follow-up statement
837
WGUS74 KJAN 171749
FFSJAN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1249 PM CDT TUE APR 17 2012
MSC021-149-171757-
/O.CAN.KJAN.FF.W.0042.000000T0000Z-120417T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
WARREN MS-CLAIBORNE MS-
1249 PM CDT TUE APR 17 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN CLAIBORNE
AND EASTERN WARREN COUNTIES...
SOME RAIN WILL CONTINUE OFF AND ON THROUGH THE REMAINDER OF THE
AFTERNOON BUT THE POTENTIAL OF ADDITIONAL HEAVY RAINFALL IS NOT VERY
HIGH.
&&
LAT...LON 3224 9073 3230 9070 3234 9071 3234 9063
3237 9064 3244 9059 3248 9060 3251 9052
3258 9044 3258 9040 3266 9021 3239 9006
3238 9010 3225 9020 3220 9019 3215 9026
3210 9025 3210 9024 3205 9028 3205 9071
$$
MSC049-089-171915-
/O.CON.KJAN.FF.W.0042.000000T0000Z-120417T1915Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MADISON MS-HINDS MS-
1249 PM CDT TUE APR 17 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 215 PM CDT FOR HINDS
AND SOUTHWESTERN MADISON COUNTIES...
AT 1247 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT HEAVY RAIN OVER SOUTHWESTERN MADISON COUNTY AND PRIMARILY
EASTERN PORTIONS OF HINDS COUNTY. ESTIMATED RADAR RAINFALL
AMOUNTS...ON THE ORDER OF ONE TO THREE INCHES...HAVE OCCURRED IN THE
PAST SIX HOURS.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ANNANDALE...BROWNSVILLE...POCAHONTAS...RIDGELAND...MADISON...
JACKSON...FLORA AND BOLTON
LOCALLY 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 3224 9073 3230 9070 3234 9071 3234 9063
3237 9064 3244 9059 3248 9060 3251 9052
3258 9044 3258 9040 3266 9021 3239 9006
3238 9010 3225 9020 3220 9019 3215 9026
3210 9025 3210 9024 3205 9028 3205 9071
$$
BYBThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 17, 9:54 AM CDT | Flash Flood Warning | JAN | Holmes, Yazoo | 4 hr |
| Apr 17, 10:32 AM CDT | Flash Flood Warning | JAN | Copiah, Lincoln | 3 hr |
| Apr 17, 12:00 PM CDT | Flash Flood Warning | JAN | Copiah, Jefferson Davis, Lawrence, Rankin, Simpson | 3 hr |
| Apr 17, 1:14 PM CDT | Severe Thunderstorm Warning | JAN | Simpson | 35 min |
| Apr 17, 1:19 PM CDT | Flash Flood Warning | JAN | Carroll, Choctaw, Grenada, Montgomery, Webster | 4 hr |
| Apr 17, 1:27 PM CDT | Special Weather Statement | JAN | Covington | 28 min |
| Apr 17, 1:35 PM CDT | Special Weather Statement | JAN | Jefferson Davis | 30 min |
| Apr 17, 1:58 PM CDT | River Flood Warning | JAN | Attala, Holmes | 68 hr |
| Apr 17, 2:23 PM CDT | Special Weather Statement | JAN | Covington | 32 min |
| Apr 17, 2:42 PM CDT | Special Weather Statement | JAN | Covington, Lamar | 28 min |
| Apr 17, 3:12 PM CDT | Special Weather Statement | JAN | Forrest, Jones | 28 min |
| Apr 17, 3:37 PM CDT | Special Weather Statement | JAN | Forrest, Jones | 28 min |
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.