Alert archive / Mississippi / Flash Flood Warnings in 2012
Flash Flood Warning 94, NWS Jackson, MS
NWS Jackson, MS issued this flash flood warning at Jul 28, 2012, 8:25 AM CDT for Adams County, Franklin County, Jefferson County, Mississippi. 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
- Jul 28, 2012, 8:25 AM CDT (13:25 UTC)
- Expired
- Jul 28, 2012, 11:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Jackson, MS
- Area
- Storm-based polygon
- Flood severity
- None
Counties Adams County, MS, Franklin County, MS, Jefferson County, MS
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 28, 9:30 AM CDT | FLASH FLOOD | 9 Ese Natchez, MS | PARTS OF LIBERTY AND KINGSTON ROADS WERE UNDER WATER WHERE VEHICLES COULD NOT PASS. |
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, 1.4 hours before the alert went out and 147 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
- 870 J/kg
- Mixed-layer CIN
- -31 J/kg
- Mixed-layer LCL
- 914 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- 44 m²/s²
- 0-3 km storm-relative helicity
- 39 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 2.6
The text
As transmitted, in the capitals the NWS used until 2016.
895
WGUS54 KJAN 281325
FFWJAN
MSC001-037-063-281630-
/O.NEW.KJAN.FF.W.0094.120728T1325Z-120728T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON MS
825 AM CDT SAT JUL 28 2012
THE NATIONAL WEATHER SERVICE IN JACKSON HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN ADAMS COUNTY IN SOUTHWEST MISSISSIPPI...
THIS INCLUDES THE CITY OF NATCHEZ...
WESTERN FRANKLIN COUNTY IN SOUTHWEST MISSISSIPPI...
SOUTHWESTERN JEFFERSON COUNTY IN SOUTHWEST MISSISSIPPI...
* UNTIL 1130 AM CDT
* AT 825 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED
THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR CRANFIELD...OR 11
MILES EAST OF NATCHEZ...MOVING SOUTH AT 5 MPH. ESTIMATED RADAR
RAINFALL AMOUNTS...ON THE ORDER OF TWO TO FOUR INCHES...HAVE
OCCURRED IN THE PAST HOUR.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
KINGSTON...SIBLEY AND GARDEN CITY
VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
THREE HOURS WITH AN ADDITIONAL ONE TO THREE INCHES POSSIBLE.
RAINFALL TOTALS IN EXCESS OF THREE INCHES IN THREE HOURS CAN CAUSE
WIDESPREAD FLOODING IN AND AROUND THE CITY OF NATCHEZ.
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 3156 9142 3157 9140 3162 9142 3163 9140
3167 9140 3169 9118 3165 9108 3134 9111
3133 9115 3137 9124 3132 9138 3132 9144
$$
JC2 follow-up statements
195
WGUS74 KJAN 281506
FFSJAN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1006 AM CDT SAT JUL 28 2012
MSC063-281516-
/O.CAN.KJAN.FF.W.0094.000000T0000Z-120728T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JEFFERSON MS-
1006 AM CDT SAT JUL 28 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN
JEFFERSON COUNTY...
LAT...LON 3156 9142 3156 9140 3156 9124 3155 9109
3134 9111 3133 9115 3137 9124 3132 9138
3132 9144
$$
MSC001-037-281630-
/O.CON.KJAN.FF.W.0094.000000T0000Z-120728T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ADAMS MS-FRANKLIN MS-
1006 AM CDT SAT JUL 28 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 AM CDT FOR
SOUTHWESTERN FRANKLIN AND CENTRAL ADAMS COUNTIES...
AT 1006 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
DETECT THUNDERSTORMS PRODUCING VERY HEAVY RAIN NEAR GARDEN CITY...OR
16 MILES SOUTHEAST OF NATCHEZ...MOVING SOUTH AT 5 MPH. ESTIMATED
RADAR RAINFALL AMOUNTS...ON THE ORDER OF TWO INCHES...HAVE OCCURRED
IN THE PAST HOUR.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
KINGSTON AND SIBLEY
VERY HEAVY RAINFALL WILL CONTINUE OVER THE WARNED AREA FOR THE NEXT
HOUR TO HOUR AND HALF. WITH AN ADDITIONAL ONE TO THREE INCHES
POSSIBLE.
RAINFALL TOTALS IN EXCESS OF THREE INCHES IN THREE HOURS CAN CAUSE
WIDESPREAD FLOODING IN AND AROUND THE CITY OF NATCHEZ.
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 3156 9142 3156 9140 3156 9124 3155 9109
3134 9111 3133 9115 3137 9124 3132 9138
3132 9144
$$
JC415
WGUS74 KJAN 281634
FFSJAN
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON MS
1134 AM CDT SAT JUL 28 2012
MSC001-037-281642-
/O.EXP.KJAN.FF.W.0094.000000T0000Z-120728T1630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
ADAMS MS-FRANKLIN MS-
1134 AM CDT SAT JUL 28 2012
...THE FLASH FLOOD WARNING HAS EXPIRED FOR SOUTHWESTERN FRANKLIN AND
CENTRAL ADAMS COUNTIES...
THE HEAVIEST RAINFALL HAS MOVED OUT OF THE AREA.
LAT...LON 3156 9142 3156 9140 3156 9124 3155 9109
3134 9111 3133 9115 3137 9124 3132 9138
3132 9144
$$
JCThe office that day
Everything else NWS Jackson, MS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 7:33 PM CDT | Special Weather Statement | JAN | Lowndes | 27 min |
| Jul 27, 9:01 PM CDT | Special Weather Statement | JAN | Lowndes | 29 min |
| Jul 28, 7:04 AM CDT | Special Weather Statement | JAN | Adams, Covington, Forrest, Franklin, Jefferson Davis, Lamar and 3 more | 56 min |
| Jul 28, 9:26 AM CDT | Special Weather Statement | JAN | Adams | 39 min |
| Jul 28, 4:59 PM CDT | Special Weather Statement | JAN | Carroll | 26 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.