Alert archive / Alabama / Flash Flood Warnings in 2009

Flash Flood Warning 63, NWS Mobile, AL

December 14, 2009Greene County, Perry County, Wayne County, Mississippi; 6 counties in Alabama

NWS Mobile, AL issued this flash flood warning at Dec 14, 2009, 6:49 PM CST for Greene County, Perry County, Wayne County, Mississippi; 6 counties in Alabama. It was in force for 101 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
Dec 14, 2009, 6:49 PM CST (00:49 UTC)
Expired
Dec 14, 2009, 8:30 PM CST
In force
101 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Choctaw County, AL, Clarke County, AL, Escambia County, AL, Monroe County, AL, Washington County, AL, Wilcox County, AL, Greene County, MS, Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 114 km from the middle of the area, began a volume at 00:49 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

TimeReportWhereRemark
Dec 14, 8:10 PM CSTFLASH FLOOD5 Wnw New Augusta, MSPERRY COUNTY SHERIFF REPORTED A FOOT OF WATER COVERING OLD RIVER ROAD.

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 00:00Z, 0.8 hours before the alert went out and 202 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.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2009-12-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 377 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2009-12-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 121 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
377 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
442 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
121 m²/s²
0-3 km storm-relative helicity
88 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.9

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WGUS54 KMOB 150049
FFWMOB
ALC023-025-053-099-129-131-MSC041-111-153-150230-
/O.NEW.KMOB.FF.W.0063.091215T0049Z-091215T0230Z/
/00000.0.RS.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
649 PM CST MON DEC 14 2009

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* IN SOUTH CENTRAL ALABAMA...ESCAMBIA...MONROE INCLUDING THE CITY OF 
MONROEVILLE...WILCOX INCLUDING THE CITY OF CAMDEN...AND IN SOUTHEAST 
MISSISSIPPI...GREENE INCLUDING THE CITY OF LEAKESVILLE...PERRY 
INCLUDING THE CITY OF NEW AUGUSTA...WAYNE INCLUDING THE CITY OF 
WAYNESBORO...CHOCTAW INCLUDING THE CITY OF BUTLER...CLARKE INCLUDING 
THE CITY OF GROVE HILL...WASHINGTON INCLUDING THE CITY OF CHATOM...

* UNTIL 830 PM CST

* AT 640 PM CST WEDNESDAY...NATIONAL WEATHER SERVICE 
METEOROLOGISTS   HAVE DETECTED ON RADAR VERY HEAVY RAIN FROM A 
SYSTEM OF THUNDERSTORMS   OVER THE WARNED AREA.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO   WEST 
BEND...THOMASVILLE...SAINT STEPHENS...PINE APPLE...MILLERS FERRY...  
FRISCO CITY...COFFEEVILLE...CLAIBORNE...CHOCTAW 
CITY...BEATRICE...AL   47 AND CR 29 ROADS...AND STATE LINE.

ADDITIONAL 2 TO 4 INCHES OF RAIN IS POSSIBLE IN THE WARNED AREA.

BE ESPECIALLY CAUTIOUS AT NIGHT. IT IS HARDER TO RECOGNIZE 
FLOODING... AND 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. MOST FLOOD DEATHS 
OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE WHERE WATER COVERS 
THE ROADWAY...FLOOD WATERS ARE OFTEN DEEPER THAN THEY APPEAR. JUST A 
FOOT OF FLOWING WATER CAN SWEEP VEHICLES OFF THE ROAD. WHEN 
ENCOUNTERING FLOODED ROADS...TURN AROUND...DONT DROWN.

LAT...LON 3230 8801 3199 8811 3200 8763 3227 8749
      3204 8717 3204 8686 3175 8694 3164 8713
      3127 8743 3133 8780 3129 8778 3117 8795
      3112 8843 3100 8844 3093 8910 3142 8913
      3145 8892 3183 8892 3190 8844 3231 8842

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 14, 6:59 PM CSTFlash Flood WarningMOBGreene, Perry, Wayne91 min
Dec 14, 7:04 PM CSTFlash Flood WarningMOBGreene, Perry, Wayne86 min
Dec 14, 8:47 PM CSTAreal Flood AdvisoryMOBGeorge, Greene, Perry, Stone, Wayne118 min
Dec 15, 1:18 AM CSTAreal Flood WarningMOBGeorge, Greene, Perry, Stone, Wayne8 hr
Dec 15, 5:57 AM CSTFlash Flood WarningMOBGeorge, Greene, Perry, Stone6 hr
Dec 15, 9:22 AM CSTAreal Flood WarningMOBGeorge, Greene, Perry, Stone, Wayne8 hr
Dec 15, 9:54 AM CSTFlash Flood WarningMOBWayne50 min
Dec 14, 6:42 PM CSTFlash Flood WarningMOBBaldwin3 hr
Dec 14, 7:09 PM CSTFlash Flood WarningMOBMobile3 hr
Dec 14, 7:16 PM CSTRiver Flood WarningMOBCovington, Escambia68 hr
Dec 14, 7:16 PM CSTRiver Flood WarningMOBBaldwin5 days
Dec 14, 7:16 PM CSTRiver Flood WarningMOBCovington, Crenshaw, Escambia22 hr
Dec 14, 7:29 PM CSTFlash Flood WarningMOBConecuh, Escambia3 hr
Dec 14, 7:43 PM CSTRiver Flood WarningMOBDallas, Monroe, Wilcox3 days
Dec 14, 7:51 PM CSTFlash Flood WarningMOBMobile3 hr
Dec 14, 7:58 PM CSTFlash Flood WarningMOBButler, Covington, Crenshaw3 hr
Dec 14, 8:22 PM CSTSevere Thunderstorm WarningMOBCovington, Escambia53 min
Dec 14, 8:36 PM CSTTornado WarningMOBCovington, Escambia39 min
Dec 14, 8:47 PM CSTRiver Flood WarningMOBMobile25 hr
Dec 14, 9:03 PM CSTSpecial Marine WarningMOB87 min
Dec 14, 9:03 PM CSTSevere Thunderstorm WarningMOBBaldwin27 min
Dec 14, 9:10 PM CSTTornado WarningMOBCovington24 min
Dec 14, 9:11 PM CSTAreal Flood AdvisoryMOBBaldwin3 hr
Dec 14, 9:14 PM CSTSevere Thunderstorm WarningMOBCovington31 min
Dec 14, 9:44 PM CSTFlash Flood WarningMOBBaldwin4 hr
Dec 14, 9:51 PM CSTSpecial Marine WarningMOB39 min
Dec 14, 9:57 PM CSTFlash Flood WarningMOBMobile4 hr
Dec 14, 10:12 PM CSTFlash Flood WarningMOBConecuh, Escambia3 hr
Dec 14, 11:01 PM CSTFlash Flood WarningMOBCovington3 hr
Dec 15, 3:17 AM CSTRiver Flood WarningMOBEscambia31 hr
Dec 15, 3:20 AM CSTSmall Craft AdvisoryMOB5 days
Dec 15, 8:42 AM CSTRiver Flood WarningMOBBaldwin14 hr
Dec 15, 8:58 AM CSTRiver Flood WarningMOBCovington4 days

Nearby

Flash Flood Warnings in Alabama, 2009Flash Flood Warnings in Mississippi, 2009Every flash flood warning in 2009

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.