Alert archive / Mississippi / Flash Flood Warnings in 2011
Flash Flood Warning 26, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Sep 3, 2011, 3:19 PM CDT for George County, Perry County, Stone County, 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
- Sep 3, 2011, 3:19 PM CDT (20:19 UTC)
- Expired
- Sep 3, 2011, 7:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties George County, MS, Perry County, MS, Stone County, MS
The radar
The Mobile radar (KMOB), 63 km from the middle of the area, began a volume at 20:20 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
Slidell Radar S, LA (KSIL), launched 12:00Z, 8.3 hours before the alert went out and 102 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
- 850 J/kg
- Mixed-layer CIN
- -1 J/kg
- Mixed-layer LCL
- 477 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 286 m²/s²
- 0-3 km storm-relative helicity
- 260 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 7.0
The text
As transmitted, in the capitals the NWS used until 2016.
536
WGUS54 KMOB 032019
FFWMOB
MSC039-111-131-040015-
/O.NEW.KMOB.FF.W.0026.110903T2019Z-110904T0015Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
319 PM CDT SAT SEP 3 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHWESTERN GEORGE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHEASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
EASTERN STONE COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 715 PM CDT
* AT 306 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED ANOTHER
BAND OF VERY HEAVY RAIN SHOWERS AND THUNDERSTORMS APPROACHING THE
WARNED AREA FROM THE SOUTH. RADAR INDICATES THAT 3 TO 4 INCHES OF
RAIN HAVE ALREADY FALLEN OVER THE REGION.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BIG
LEVEL...DEEP CREEK...BATT PLACE...BARBARA...RUBLE...GIBSON
LANDING...DALE...CROSSROADS...CENTRAL...BARTON...WHITES CROSSING...
RAMSEY SPRINGS...BEATRICE AND BENNDALE
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE POSSIBLE IN THE
WARNED AREA OVER THE NEXT TWO HOURS.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...ROADS...AS WELL AS FARMLAND ALONG THE BANKS OF
CREEKS AND STREAMS.
REPORT FLASH FLOODING TO YOUR NATIONAL WEATHER SERVICE IN MOBILE AT
AREA CODE 2 5 1...AND THEN 6 3 3 6 4 4 3. OR...YOU MAY CONTACT YOUR
NEAREST LAW ENFORCEMENT AGENCY OR COUNTY EMERGENCY MANAGEMENT...AND
THEY WILL RELAY YOUR REPORT.
LAT...LON 3100 8905 3100 8893 3095 8888 3086 8857
3074 8856 3073 8863 3073 8888 3068 8888
3067 8889 3067 8904 3091 8909
$$
JW1 follow-up statement
483
WGUS74 KMOB 040011
FFSMOB
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
711 PM CDT SAT SEP 3 2011
MSC039-111-131-040020-
/O.EXP.KMOB.FF.W.0026.000000T0000Z-110904T0015Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
STONE MS-PERRY MS-GEORGE MS-
711 PM CDT SAT SEP 3 2011
...THE FLASH FLOOD WARNING WILL EXPIRE AT 715 PM CDT FOR SOUTHWESTERN
GEORGE...SOUTHEASTERN PERRY AND EASTERN STONE COUNTIES...
A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CDT SATURDAY EVENING
FOR SOUTHWEST ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.
LAT...LON 3100 8905 3100 8893 3095 8888 3086 8857
3074 8856 3073 8863 3073 8888 3068 8888
3067 8889 3067 8904 3091 8909
$$
JWThe office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 2, 10:37 PM CDT | Tropical Storm Warning | MOB | George, Stone | 47 hr |
| Sep 3, 9:26 AM CDT | River Flood Warning | MOB | George, Greene, Perry | 4 days |
| Sep 3, 2:14 PM CDT | Tornado Warning | MOB | George, Greene | 33 min |
| Sep 3, 4:53 PM CDT | Flash Flood Warning | MOB | George, Greene, Perry | 3 hr |
| Sep 3, 6:09 PM CDT | Tornado Warning | MOB | George | 51 min |
Nearby
Flash Flood Warnings in Mississippi, 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.