Alert archive / Alabama / Flash Flood Warnings in 2010
Flash Flood Warning 21, NWS Mobile, AL
NWS Mobile, AL issued this flash flood warning at Aug 2, 2010, 4:32 PM CDT for Clarke County, Monroe County, Wilcox County, Alabama. It was in force for 70 min. 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
- Aug 2, 2010, 4:32 PM CDT (21:32 UTC)
- Expired
- Aug 2, 2010, 5:42 PM CDT
- In force
- 70 min
- Issued by
- NWS Mobile, AL
- Area
- Storm-based polygon
- Flood severity
- None
Counties Clarke County, AL, Monroe County, AL, Wilcox County, AL
The radar
The Mobile radar (KMOB), 144 km from the middle of the area, began a volume at 21:35 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 |
|---|---|---|---|
| Aug 2, 5:08 PM CDT | FLASH FLOOD | Vredenburgh, AL | TWO TO THREE INCHES OF WATER FLOWING ACROSS AREA ROADWAYS. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Birmingham, AL (KBMX), launched 12:00Z, 9.5 hours before the alert went out and 169 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
- 1999 J/kg
- Mixed-layer CIN
- -104 J/kg
- Mixed-layer LCL
- 1139 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- -18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
248 WGUS54 KMOB 022132 FFWMOB ALC025-099-131-022330- /O.NEW.KMOB.FF.W.0021.100802T2132Z-100802T2330Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MOBILE AL 432 PM CDT MON AUG 2 2010 THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A * FLASH FLOOD WARNING FOR... NORTHERN MONROE COUNTY IN SOUTH CENTRAL ALABAMA... SOUTHWESTERN WILCOX COUNTY IN SOUTH CENTRAL ALABAMA... EAST CENTRAL CLARKE COUNTY IN SOUTHWEST ALABAMA... * UNTIL 630 PM CDT * AT 426 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED VERY HEAVY RAIN FROM THUNDERSTORMS OVER THE WARNED AREA. * LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VREDENBURGH...TURKESTAN...RIVER RIDGE...NATCHEZ...NADAWAH... KEITH...FRANKLIN...FINCHBURG...CORDUROY STATION...CHESTNUT...BUENA VISTA AND BEATRICE ADDITIONAL RAINFALL AMOUNTS OF 2 TO 4 INCHES ARE LIKELY IN THE WARNED AREA. 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. 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 3177 8710 3153 8762 3172 8778 3199 8740 $$ COHEN
2 follow-up statements
745 WGUS74 KMOB 022214 FFSMOB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 514 PM CDT MON AUG 2 2010 ALC025-099-131-022330- /O.CON.KMOB.FF.W.0021.000000T0000Z-100802T2330Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MONROE AL-CLARKE AL-WILCOX AL- 514 PM CDT MON AUG 2 2010 ...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR SOUTHWESTERN WILCOX...EAST CENTRAL CLARKE AND NORTHERN MONROE COUNTIES... AT 508 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE THUNDERSTORMS PRODUCING HEAVY RAIN OVER THE WARNED AREA. LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO VREDENBURGH...TURKESTAN...RIVER RIDGE...NATCHEZ...NADAWAH... KEITH...FRANKLIN... FINCHBURG...CORDUROY STATION...CHESTNUT... BUENA VISTA....AND BEATRICE. PRECAUTIONARY/PREPAREDNESS ACTIONS... ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 ARE LIKELY IN THE WARNED AREA. MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN. TO REPORT FLASH FLOODING TO YOUR NATIONAL WEATHER SERVICE...CALL TOLL FREE AT 1 8 7 7 6 3 3 6 7 7 2. && LAT...LON 3177 8710 3153 8762 3172 8778 3199 8740 $$ COHEN
653 WGUS74 KMOB 022242 FFSMOB FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MOBILE AL 542 PM CDT MON AUG 2 2010 ALC025-099-131-022251- /O.CAN.KMOB.FF.W.0021.000000T0000Z-100802T2330Z/ /00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MONROE AL-CLARKE AL-WILCOX AL- 542 PM CDT MON AUG 2 2010 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN WILCOX...EAST CENTRAL CLARKE...AND NORTHERN MONROE COUNTIES... HEAVY RAINFALL AND THE RISK FOR FLASH FLOODING HAS ENDED ACROSS THE PREVIOUSLY WARNED AREA...AND THUS THE FLASH FLOOD WARNING HAS BEEN CANCELLED. LAT...LON 3177 8710 3153 8762 3172 8778 3199 8740 $$ COHEN
The office that day
Everything else NWS Mobile, AL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 1, 8:10 PM CDT | Special Marine Warning | MOB | 35 min | |
| Aug 1, 8:40 PM CDT | Special Marine Warning | MOB | 35 min | |
| Aug 2, 3:11 PM CDT | Severe Thunderstorm Warning | MOB | Baldwin | 49 min |
| Aug 2, 3:21 PM CDT | Excessive Heat Watch | MOB | Choctaw, Clarke, Monroe, Washington, Wilcox | 24 hr |
| Aug 2, 3:21 PM CDT | Excessive Heat Warning | MOB | Butler, Choctaw, Clarke, Conecuh, Covington, Crenshaw and 4 more | 27 hr |
| Aug 2, 4:15 PM CDT | Severe Thunderstorm Warning | MOB | Clarke, Monroe, Wilcox | 45 min |
| Aug 2, 4:25 PM CDT | Severe Thunderstorm Warning | MOB | Monroe, Wilcox | 35 min |
| Aug 2, 4:44 PM CDT | Severe Thunderstorm Warning | MOB | Washington | 30 min |
| Aug 2, 4:57 PM CDT | Special Marine Warning | MOB | 63 min |
Nearby
Flash Flood Warnings in Alabama, 2010Every flash flood warning in 2010
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.