Alert archive / Mississippi / Areal Flood Warnings in 2016

Areal Flood Warning 1, NWS Mobile, AL

March 10, 2016Choctaw County, Alabama; Greene County, Perry County, Wayne County, Mississippi

NWS Mobile, AL issued this areal flood warning at Mar 10, 2016, 10:52 PM CST for Choctaw County, Alabama; Greene County, Perry County, Wayne County, Mississippi. It was in force for 9 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
Mar 10, 2016, 10:52 PM CST (04:52 UTC)
Expired
Mar 11, 2016, 7:45 AM CST
In force
9 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Choctaw County, AL, Greene County, MS, Perry County, MS, Wayne County, MS

The radar

The Mobile radar (KMOB), 100 km from the middle of the area, began a volume at 04:51 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 00:00Z, 4.9 hours before the alert went out and 173 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, Slidell Radar S, LA at 00:00Z on 2016-03-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 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, Slidell Radar S, LA at 00:00Z on 2016-03-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 463 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
687 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
512 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
463 m²/s²
0-3 km storm-relative helicity
470 m²/s²
Significant tornado parameter
1.6
Supercell composite
14.9

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 Mar 10, 10:06 PM CST, 46 minutes earlier.

Area forecast discussion, Mar 10, 10:06 PM CST, 46 minutes before
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Hazardous weather outlook, Mar 10, 1:33 PM CST, 9 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE MOBILE AL
133 PM CST THU MAR 10 2016

ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-112000-
CHOCTAW-WASHINGTON-CLARKE-WILCOX-MONROE-CONECUH-BUTLER-CRENSHAW-
ESCAMBIA-COVINGTON-MOBILE INLAND-BALDWIN INLAND-MOBILE CENTRAL-
BALDWIN CENTRAL-MOBILE COASTAL-BALDWIN COASTAL-ESCAMBIA INLAND-
ESCAMBIA COASTAL-SANTA ROSA INLAND-SANTA ROSA COASTAL-
OKALOOSA INLAND-OKALOOSA COASTAL-WAYNE-PERRY-GREENE-STONE-GEORGE-
133 PM CST THU MAR 10 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

GUSTY SOUTHEAST WINDS WITH FREQUENT GUSTS TO 30 MPH...OR SLIGHTLY
HIGHER...EXPECTED THROUGH EARLY THIS EVENING.

A HIGH RISK OF POTENTIALLY DEADLY RIP CURRENTS WILL CONTINUE ACROSS
AREA BEACHES THROUGH TONIGHT WITH TALL BREAKER ACTION OF 5 TO 7 FEET
POUNDING INTO THE SURF ZONE.

TIDES BETWEEN 2 AND 3 FEET ABOVE MEAN SEA LEVEL BRINGS THE POTENTIAL
OF MINOR COASTAL FLOODING THROUGH TONIGHT.

SHOWERS AND THUNDERSTORMS WILL INCREASE IN COVERAGE AND SPREAD SLOWLY
EAST OVER SOUTHEAST MISSISSIPPI LATE TONIGHT AND EARLY FRIDAY
MORNING. A FEW STRONG STORMS POSSIBLE MAINLY OVER SOUTHEAST
MISSISSIPPI. SOME LOCALIZED FLOODING WILL BE POSSIBLE DUE TO PERIODS
OF HEAVY RAIN LATE TONIGHT OVER SOUTHEAST MISSISSIPPI.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

GUSTY SOUTHEAST WINDS WITH FREQUENT GUSTS TO 30 MPH WILL CONTINUE
THROUGH FRIDAY.

DANGEROUS SURF CONDITIONS AND A HIGH RISK OF POTENTIALLY DEADLY
RIP CURRENTS WILL CONTINUE ACROSS COASTAL ALABAMA AND NORTHWEST
FLORIDA. TALL BREAKERS OF 5 TO 7 FEET WILL CONTINUE TO POUND AREA
BEACHES ON FRIDAY...THEN SLOWLY SUBSIDE THROUGH SATURDAY.

TIDES BETWEEN 2 AND 3 FEET ABOVE MEAN SEA LEVEL BRINGS THE POTENTIAL OF
MINOR COASTAL FLOODING THROUGH FRIDAY...ESPECIALLY IN LOW LYING AND
TYPICAL COASTAL FLOOD PRONE AREAS.

SHOWERS AND THUNDERSTORMS WILL INCREASE IN COVERAGE AND SPREAD SLOWLY
EAST OVER THE AREA FRIDAY THROUGH SATURDAY. A PROLONGED PERIOD OF
HEAVY RAIN MAY BRING RISING RIVERS AND LOCALIZED FLOODING
PROBLEMS...ESPECIALLY OVER SOUTHEAST MISSISSIPPI AND EXTREME
SOUTHWEST ALABAMA FRIDAY AND SATURDAY. RAINFALL TOTALS FROM 4 TO 8
INCHES EXPECTED...WITH THESE AMOUNTS POTENTIALLY DOUBLED WHERE
HEAVIER RAINS MOVE REPEATEDLY OVER THE SAME AREAS FROM EARLY FRIDAY
THROUGH SATURDAY. THE FLASH FLOOD WATCH OVER SOUTHEAST MISSISSIPPI
HAS BEEN EXPANDED EASTWARD TO INCLUDE CHOCTAW COUNTY IN
ALABAMA...SOUTH TO MOBILE COUNTY.

THERE IS ALSO THE POTENTIAL FOR AN ISOLATED STRONG TO SEVERE
THUNDERSTORM ON FRIDAY. STAY TUNED FOR FURTHER UPDATES ON THIS
EVOLVING WEATHER SITUATION.

.SPOTTER INFORMATION STATEMENT...

ACTIVATION OF SKYWARN SEVERE STORM SPOTTER NETWORKS IS NOT
EXPECTED THROUGH WEDNESDAY.

GMZ630>635-650-655-670-675-112000-
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-
133 PM CST THU MAR 10 2016

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

STRONG SOUTHEAST WINDS FROM 20 TO 30 KNOTS IN FREQUENT GUSTS...ROUGH
WATERS ON BAYS AND SOUNDS AND HIGH SEAS FROM 8 TO 11 FEET WILL BRING
HAZARDOUS CONDITIONS FOR SMALL CRAFT THROUGH TONIGHT.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

STRONG SOUTHEAST WINDS FROM 20 TO 30 KNOTS IN FREQUENT GUSTS...ROUGH
WATERS ON BAYS AND SOUNDS AND HIGH SEAS WILL BRING HAZARDOUS
CONDITIONS FOR SMALL CRAFT THROUGH SATURDAY AFTERNOON.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 10, 7:36 PM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington11 days
Mar 10, 7:36 PM CSTRiver Flood WarningMOBChoctaw, Clarke, Washington11 days
Mar 10, 8:19 PM CSTAreal Flood AdvisoryMOBChoctaw3 hr
Mar 10, 9:16 PM CSTFlash Flood WarningMOBChoctaw3 hr
Mar 11, 7:34 AM CSTAreal Flood WarningMOBChoctaw, Washington6 hr
Mar 11, 8:15 AM CSTSevere Thunderstorm WarningMOBMobile, Washington30 min
Mar 11, 8:42 AM CSTAreal Flood AdvisoryMOBMobile3 hr
Mar 11, 8:45 AM CSTSpecial Weather StatementMOBMobile60 min
Mar 11, 8:55 AM CSTSpecial Marine WarningMOB65 min
Mar 11, 9:20 AM CSTSpecial Marine WarningMOB55 min
Mar 11, 9:28 AM CSTFlash Flood WarningMOBMobile, Washington6 hr
Mar 11, 9:41 AM CSTSpecial Weather StatementMOBBaldwin, Mobile, Washington64 min
Mar 11, 9:42 AM CSTFlash Flood WarningMOBChoctaw6 hr
Mar 11, 9:59 AM CSTSpecial Marine WarningMOB61 min
Mar 11, 10:42 AM CSTAreal Flood AdvisoryMOBBaldwin3 hr
Mar 11, 10:45 AM CSTSpecial Weather StatementMOBBaldwin45 min
Mar 11, 10:50 AM CSTAreal Flood AdvisoryMOBClarke4 hr
Mar 11, 10:58 AM CSTSpecial Marine WarningMOB62 min
Mar 11, 11:04 AM CSTFlash Flood WarningMOBBaldwin, Mobile6 hr
Mar 11, 11:22 AM CSTFlash Flood WarningMOBClarke6 hr
Mar 11, 11:29 AM CSTSpecial Weather StatementMOBBaldwin61 min
Mar 11, 11:59 AM CSTSpecial Marine WarningMOB61 min
Mar 11, 12:16 PM CSTAreal Flood AdvisoryMOBBaldwin4 hr
Mar 11, 2:14 PM CSTAreal Flood WarningMOBChoctaw, Clarke, Washington24 hr
Mar 11, 3:54 PM CSTAreal Flood WarningMOBMobile12 hr
Mar 11, 12:32 PM CSTSpecial Weather StatementMOBEscambia43 min
Mar 11, 2:28 PM CSTSpecial Weather StatementMOBSanta Rosa32 min
Mar 11, 2:32 PM CSTAreal Flood AdvisoryMOBEscambia, Santa Rosa118 min
Mar 10, 8:39 PM CSTFlash Flood WarningMOBGreene, Perry, Wayne2 hr
Mar 11, 2:14 AM CSTRiver Flood WarningMOBPerry6 days
Mar 11, 2:22 AM CSTRiver Flood WarningMOBGeorge, Greene, Perry13 days
Mar 11, 2:30 AM CSTRiver Flood WarningMOBGeorge, Greene, Wayne15 days
Mar 11, 2:40 AM CSTRiver Flood WarningMOBGeorge, Greene, Jackson13 days
Mar 11, 6:42 AM CSTSpecial Weather StatementMOBPerry, Stone63 min
Mar 11, 7:28 AM CSTFlash Flood WarningMOBPerry, Stone3 hr
Mar 11, 7:36 AM CSTRiver Flood WarningMOBGreene, Wayne6 days
Mar 11, 8:01 AM CSTSpecial Weather StatementMOBGeorge44 min
Mar 11, 8:48 AM CSTFlash Flood WarningMOBGeorge3 hr
Mar 11, 9:15 AM CSTFlash Flood WarningMOBGreene, Wayne5 hr
Mar 11, 10:29 AM CSTFlash Flood WarningMOBPerry, Stone6 hr
Mar 11, 11:43 AM CSTFlash Flood WarningMOBGeorge5 hr

Nearby

Areal Flood Warnings in Mississippi, 2016Areal Flood Warnings in Alabama, 2016Every areal flood warning in 2016

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.