Alert archive / Alabama / Areal Flood Warnings in 2013

Areal Flood Warning 2, NWS Mobile, AL

February 11, 20135 counties in Alabama; Greene County, Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this areal flood warning at Feb 11, 2013, 12:14 PM CST for 5 counties in Alabama; Greene County, Perry County, Wayne County, Mississippi. It was in force for 18 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Feb 11, 2013, 12:14 PM CST (18:14 UTC)
Expired: Feb 12, 2013, 6:00 AM CST
In force: 18 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

Counties Choctaw County, AL, Clarke 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), 101 km from the middle of the area, began a volume at 18:14 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, 6.2 hours before the alert went out and 209 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 747 J/kg
Mixed-layer CIN: -10 J/kg
Mixed-layer LCL: 492 m above ground
0-6 km bulk shear: 58 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 180 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.8

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Mobile, AL wrote its last area forecast discussion before this areal flood warning went out at Feb 11, 11:50 AM CST, 24 minutes earlier.

Area forecast discussion, Feb 11, 11:50 AM CST, 24 minutes before

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Hazardous weather outlook, Feb 11, 6:36 AM CST, 5 hours 38 minutes before

HAZARDOUS WEATHER OUTLOOK...CORRECTION TO ADD FOG
NATIONAL WEATHER SERVICE MOBILE AL
636 AM CST MON FEB 11 2013

ALZ051>064-FLZ001>006-MSZ067-075-076-078-079-121200-
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-UPPER MOBILE-UPPER BALDWIN-LOWER MOBILE-
LOWER BALDWIN-INLAND ESCAMBIA-COASTAL ESCAMBIA-INLAND SANTA ROSA-
COASTAL SANTA ROSA-INLAND OKALOOSA-COASTAL OKALOOSA-WAYNE-PERRY-
GREENE-STONE-GEORGE-
636 AM CST MON FEB 11 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ALABAMA...SOUTHWEST ALABAMA...NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

.DAY ONE...TODAY AND TONIGHT

AS A FRONT SAGS SOUTH ACROSS THE AREA...NUMEROUS SHOWERS AND
THUNDERSTORMS WILL SAG SOUTH ACROSS THE AREA...REACHING THE COUNTIES
ALONG THE COAST BY EVENING. HOURLY RAINFALL RATES OF 1 TO 2 INCHES
ARE POSSIBLE IN THE STRONGER SHOWERS...WITH ISOLATED AMOUNTS EVEN
HIGHER. OVER ALREADY SATURATED GROUNDS RANGING FROM NORTHERN PERRY
COUNTY...MISSISSIPPI TO WILCOX AND MONROE COUNTIES IN ALABAMA WILL
LIKELY CONTINUE TO EXPERIENCE WITH FLOODING PROBLEMS. AS THE FRONT
AND RAIN SAG SOUTH TODAY...THE PROBLEM WITH FLOODING WILL SPREAD
SOUTH OVER THE AREA.

DENSE FOG OCCURRING OVER SOUTHWESTERN ALABAMA WILL BEING TO RISE
AFTER SUNRISE THIS MORNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

RAIN WILL CONTINUE OVER THE AREA TUESDAY INTO WEDNESDAY...WITH
FLOODING PROBLEMS CONTINUING AS SOILS BECOME SATURATED OVER THE
ENTIRE AREA. THE RAIN IS EXPECTED TO BEGIN TO CLEAR FROM THE WEST
WEDNESDAY AFTERNOON INTO WEDNESDAY NIGHT. AS THE WATER IN THE SOILS
DRAIN INTO LOCAL CREEKS AND RIVERS...ALREADY HIGH STREAMS AND RIVERS
ARE EXPECTED TO RISE EVEN HIGHER.

.SPOTTER INFORMATION STATEMENT...

EMERGENCY MANAGEMENT OFFICIALS AND STORM SPOTTER NETWORKS SHOULD
CONTINUE TO MONITOR WEATHER CONDITIONS TODAY. SPOTTER ACTIVATION MAY
BE REQUESTED.

GMZ630>635-650-655-670-675-121200-
NORTHERN MOBILE BAY-SOUTHERN MOBILE BAY-MISSISSIPPI SOUND-
PERDIDO BAY-PENSACOLA BAY SYSTEM-CHOCTAWHATCHEE BAY-
COASTAL WATERS FROM PENSACOLA FL TO PASCAGOULA MS OUT 20 NM-
COASTAL WATERS FROM DESTIN TO PENSACOLA FL OUT 20 NM-
WATERS FROM PENSACOLA FL TO PASCAGOULA MS FROM 20 TO 60 NM-
WATERS FROM DESTIN TO PENSACOLA FL FROM 20 TO 60 NM-
636 AM CST MON FEB 11 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE COASTAL
WATERS OF ALABAMA AND NORTHWEST FLORIDA.

.DAY ONE...TODAY AND TONIGHT

SHOWERS AND THUNDERSTORMS ARE EXPECTED TO BECOME MORE NUMEROUS TODAY
INTO TONIGHT AS A FRONT SAGS SOUTH TOWARDS THE NORTHERN GULF COAST.
LOCALLY HEAVY RAINS REDUCING VISIBILITIES...ALONG WITH FREQUENT
LIGHTNING AND LOCALLY STRONG WINDS CREATING HIGHER SEAS AND WAVES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL CONTINUE TO
IMPACT THE MARINE AREA TUESDAY NEAR A STALLED FRONTAL BOUNDARY.
STRONG OFFSHORE FLOW IN THE WAKE OF THE PASSING FRONT MAY BRING
HAZARDOUS CONDITIONS TO SMALL CRAFT WEDNESDAY NIGHT INTO THURSDAY.

In the hours before

Local storm report, Feb 11, 8:22 AM CST, 3 hours 52 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
822 AM CST MON FEB 11 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0230 AM     DOWNBURST        THOMASVILLE             31.91N 87.74W
02/11/2013                   CLARKE             AL   EMERGENCY MNGR

            WIND DAMAGE TO TWO HOMES ON CRESTVIEW ROAD IN
            THOMASVILLE. REPORTED BY CALRKE COOUNTY EMA

0600 AM     HEAVY RAIN       GROVE HILL              31.71N 87.77W
02/11/2013  M7.75 INCH       CLARKE             AL   EMERGENCY MNGR

            7.75 INCHES OF RAIN REPORTED ON ALLEN RD IN GROVE HILL BY
            CLARKE COUNTY EMA.

0600 AM     HEAVY RAIN       THOMASVILLE             31.91N 87.74W
02/11/2013  M6.00 INCH       CLARKE             AL   EMERGENCY MNGR

            6 INCHES OF RAIN REPORTED ON PEACHTREE ROAD IN
            THOMASVILLE BY CLARKE COUNTY EMA.

0600 AM     HEAVY RAIN       GROVE HILL              31.71N 87.77W
02/11/2013  M6.50 INCH       CLARKE             AL   EMERGENCY MNGR

            6.5 INCHES OF RAIN REPORTED SO FAR ENDING 8 AM AT CLARKE
            COUNTY EMAS OFFICE IN GROVE HILL.

0600 AM     FLASH FLOOD      GROVE HILL              31.71N 87.77W
02/11/2013                   CLARKE             AL   EMERGENCY MNGR

            ST STEPHEN ROAD WASHED OUT IN GROVE HILL. REPORTED BY
            CLARKE COUNTY EMA.

0600 AM     FLASH FLOOD      THOMASVILLE             31.91N 87.74W
02/11/2013                   CLARKE             AL   EMERGENCY MNGR

            CRESTVIEW ROAD IN THOMASVILLE ROAD WASHED OUT IN
            THOMASVILLE. REPORTED BY CLARKE COUNTY EMA.

&&

SAM

Local storm report, Feb 11, 9:44 AM CST, 2 hours 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE MOBILE AL
944 AM CST MON FEB 11 2013

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0942 AM     FLOOD            PACKARDS BEND           31.78N 87.49W
02/11/2013                   MONROE             AL   EMERGENCY MNGR

            SEVERAL AREAS FLOODED WITH WATER AROUND 2 HOUSES.

&&

CULLEN

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 10, 6:12 PM CST	Flash Flood Warning	MOB	Choctaw, Clarke, Monroe, Washington, Wilcox	6 hr
Feb 10, 6:12 PM CST	Tornado Warning	MOB	Clarke, Monroe, Wilcox	63 min
Feb 10, 6:26 PM CST	Tornado Warning	MOB	Butler, Conecuh, Monroe	64 min
Feb 10, 6:33 PM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Crenshaw, Monroe, Wilcox	57 min
Feb 10, 6:40 PM CST	Tornado Warning	MOB	Choctaw, Clarke, Washington	50 min
Feb 10, 6:51 PM CST	Tornado Warning	MOB	Butler, Conecuh, Covington, Crenshaw	54 min
Feb 10, 7:11 PM CST	Tornado Warning	MOB	Choctaw, Clarke, Washington	49 min
Feb 10, 7:30 PM CST	Tornado Warning	MOB	Clarke, Monroe, Wilcox	45 min
Feb 10, 7:37 PM CST	Severe Thunderstorm Warning	MOB	Butler, Conecuh, Covington, Crenshaw, Escambia	53 min
Feb 10, 7:40 PM CST	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	50 min
Feb 10, 7:45 PM CST	Tornado Warning	MOB	Choctaw, Clarke, Washington	45 min
Feb 10, 8:06 PM CST	River Flood Warning	MOB	Clarke, Monroe, Wilcox	10 days
Feb 10, 8:41 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Butler, Clarke, Monroe, Washington, Wilcox	64 min
Feb 10, 8:53 PM CST	Areal Flood Advisory	MOB	Butler, Conecuh, Covington	2 hr
Feb 10, 9:17 PM CST	Tornado Warning	MOB	Clarke, Washington	43 min
Feb 10, 9:55 PM CST	Severe Thunderstorm Warning	MOB	Butler, Monroe, Wilcox	50 min
Feb 11, 12:14 AM CST	Flash Flood Warning	MOB	Choctaw, Clarke, Monroe, Washington, Wilcox	6 hr
Feb 11, 1:53 AM CST	Marine Dense Fog Advisory	MOB		8 hr
Feb 11, 2:25 AM CST	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington, Wilcox	50 min
Feb 11, 3:02 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Wilcox	43 min
Feb 11, 5:33 AM CST	Dense Fog Advisory	MOB		3 hr
Feb 11, 6:29 AM CST	Areal Flood Warning	MOB	Choctaw, Clarke, Monroe, Washington, Wilcox	6 hr
Feb 11, 9:49 AM CST	River Flood Warning	MOB	Escambia	11 hr
Feb 11, 9:49 AM CST	River Flood Warning	MOB	Dallas, Monroe, Wilcox	7 days
Feb 11, 9:49 AM CST	River Flood Warning	MOB	Covington, Escambia	11 hr
Feb 11, 12:25 PM CST	Areal Flood Warning	MOB	Butler, Conecuh, Covington, Escambia, Monroe	18 hr
Feb 11, 4:27 PM CST	River Flood Warning	MOB	Baldwin, Mobile	4 hr
Feb 11, 9:49 AM CST	River Flood Warning	MOB	Okaloosa	34 hr
Feb 10, 6:26 PM CST	Tornado Warning	MOB	Wayne	64 min
Feb 11, 2:47 AM CST	River Flood Warning	MOB	Perry	43 hr
Feb 11, 9:49 AM CST	River Flood Warning	MOB	George, Greene, Perry	10 days
Feb 11, 9:49 AM CST	River Flood Warning	MOB	George, Greene, Jackson	20 days

Nearby

Areal Flood Warnings in Alabama, 2013 Areal Flood Warnings in Mississippi, 2013 Every areal flood warning in 2013

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.