Alert archive / Mississippi / Flash Flood Warnings in 2012
Flash Flood Warning 8, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Mar 22, 2012, 3:31 AM CDT for Perry 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
- Mar 22, 2012, 3:31 AM CDT (08:31 UTC)
- Expired
- Mar 22, 2012, 6:30 AM CDT
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
County Perry County, MS
The radar
The Mobile radar (KMOB), 85 km from the middle of the area, began a volume at 08:33 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 22, 5:30 AM CDT | FLASH FLOOD | 9 Se Janice, MS | WATER REPORTED OVER JOHN BOND ROAD IN SE PERRY COUNTY |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Slidell Radar S, LA (KSIL), launched 00:00Z, 8.5 hours before the alert went out and 129 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
- 131 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 505 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- -10 m²/s²
- 0-3 km storm-relative helicity
- 17 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.6
The text
As transmitted, in the capitals the NWS used until 2016.
934
WGUS54 KMOB 220831
FFWMOB
MSC111-221130-
/O.NEW.KMOB.FF.W.0008.120322T0831Z-120322T1130Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
331 AM CDT THU MAR 22 2012
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
EASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 630 AM CDT
* AT 324 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED VERY HEAVY
RAIN FROM TRAINING THUNDERSTORM OVER EASTERN PERRY COUNTY. RADAR
INDICATES THAT 3 TO 6 INCHES OF RAIN HAS FALLEN SINCE LATE
YESTERDAY EVENING. ADDITIONAL RAINFALL TOTALS OF 2 TO 4 INCHES
ARE POSSIBLE EARLY THIS MORNING WITH ADDITIONAL HEAVY RAIN MOVING
IN FROM THE SOUTH. THIS WILL INCREASE THE LIKELIHOOD OF FLASH
FLOODING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BEAUMONT
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
LAT...LON 3138 8893 3138 8884 3117 8884 3091 8884
3092 8903
$$1 follow-up statement
012
WGUS74 KMOB 221045
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
545 AM CDT THU MAR 22 2012
MSC111-221130-
/O.CON.KMOB.FF.W.0008.000000T0000Z-120322T1130Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PERRY MS-
545 AM CDT THU MAR 22 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR
EASTERN PERRY COUNTY...
AT 538 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
ADDITIONAL THUNDERSTORMS PRODUCING VERY HEAVY RAIN MOVING INTO
EASTERN PERRY. PERRY COUNTY SHERIFFS OFFICE RECENTLY REPORTED WATER
OVER JOHN BOND ROAD IN SOUTHEAST PERRY COUNTY. ADDITIONAL FLOODING
IS POSSIBLE AS ADDITIONAL HEAVY RAIN MOVES IN FROM STONE COUNTY.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BEAUMONT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.
&&
LAT...LON 3138 8893 3138 8884 3117 8884 3091 8884
3092 8903
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 21, 10:11 PM CDT | River Flood Warning | MOB | George, Greene, Perry | 9 days |
| Mar 22, 2:02 AM CDT | Flash Flood Warning | MOB | Stone | 3 hr |
| Mar 22, 2:04 AM CDT | Tornado Warning | MOB | Perry | 23 min |
| Mar 22, 9:41 AM CDT | Flash Flood Warning | MOB | George, Greene, Perry, Stone, Wayne | 6 hr |
| Mar 22, 9:58 AM CDT | River Flood Warning | MOB | George, Greene, Jackson | 9 days |
| Mar 22, 10:00 AM CDT | River Flood Warning | MOB | George, Greene, Wayne | 9 days |
| Mar 22, 1:36 PM CDT | Flash Flood Warning | MOB | George, Greene | 6 hr |
| Mar 22, 4:01 PM CDT | Areal Flood Warning | MOB | Greene, Wayne | 12 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.