Alert archive / Mississippi / Flash Flood Warnings in 2011
Flash Flood Warning 2, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Mar 5, 2011, 12:50 PM CST for Greene County, Perry County, Mississippi. It was in force for 3 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
- Mar 5, 2011, 12:50 PM CST (18:50 UTC)
- Expired
- Mar 5, 2011, 3:45 PM CST
- In force
- 3 hr
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Greene County, MS, Perry County, MS
The radar
The Mobile radar (KMOB), 78 km from the middle of the area, began a volume at 18:53 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, 6.8 hours before the alert went out and 117 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
- 960 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 451 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 194 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 1.0
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
512
WGUS54 KMOB 051850
FFWMOB
MSC041-111-052145-
/O.NEW.KMOB.FF.W.0002.110305T1850Z-110305T2145Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1250 PM CST SAT MAR 5 2011
THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A
* FLASH FLOOD WARNING FOR...
WEST CENTRAL GREENE COUNTY IN SOUTHEAST MISSISSIPPI...
SOUTHEASTERN PERRY COUNTY IN SOUTHEAST MISSISSIPPI...
* UNTIL 345 PM CST
* AT 1244 PM CST...NATIONAL WEATHER SERVICE RADAR INDICATED THAT 3
TO 4 INCHES OF RAIN HAS FALLEN OVER SOUTHEASTERN PERRY COUNTY AND
WEST CENTRAL GREENE COUNTY. AN ADDITIONAL INCH OF RAIN IS
EXPECTED AS THUNDERSTORMS CONTINUE TO MOVE OVER THE AREA.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MCLAIN
TO REPORT FLASH FLOODING TO YOUR NATIONAL WEATHER SERVICE...CALL TOLL
FREE AT 1 8 7 7 6 3 3 6 7 7 2.
LAT...LON 3099 8907 3122 8886 3119 8875 3114 8875
3108 8883 3091 8897 3094 8908
$$The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 5, 9:15 AM CST | Severe Thunderstorm Warning | MOB | George, Perry, Stone | 26 min |
| Mar 5, 9:26 AM CST | Areal Flood Advisory | MOB | Stone | 2 hr |
| Mar 5, 10:04 AM CST | Tornado Warning | MOB | Greene, Perry | 41 min |
| Mar 5, 10:42 AM CST | Flash Flood Warning | MOB | Perry | 2 hr |
| Mar 5, 10:46 AM CST | Tornado Warning | MOB | Greene | 44 min |
| Mar 5, 11:26 AM CST | Areal Flood Advisory | MOB | Greene | 2 hr |
| Mar 5, 11:54 AM CST | Severe Thunderstorm Warning | MOB | Greene | 50 min |
| Mar 5, 11:58 AM CST | Areal Flood Advisory | MOB | Greene | 2 hr |
| Mar 5, 1:16 PM CST | Flash Flood Watch | MOB | George, Greene, Perry, Stone, Wayne | 6 hr |
| Mar 5, 1:39 PM CST | Areal Flood Advisory | MOB | Greene, Perry, Wayne | 2 hr |
| Mar 5, 2:50 PM CST | Flash Flood Warning | MOB | Stone | 4 hr |
| Mar 5, 3:23 PM CST | Flash Flood Warning | MOB | Greene, Perry, Wayne | 3 hr |
| Mar 5, 3:48 PM CST | Flash Flood Warning | MOB | Greene, Perry | 3 hr |
| Mar 5, 4:17 PM CST | Areal Flood Advisory | MOB | George | 118 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.