Alert archive / Florida / Flash Flood Warnings in 2009

Flash Flood Warning 5, NWS Mobile, AL

March 28, 2009Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Alabama

NWS Mobile, AL issued this flash flood warning at Mar 28, 2009, 1:57 AM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Alabama. It was in force for 3 hr. 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
Mar 28, 2009, 1:57 AM CDT (06:57 UTC)
Expired
Mar 28, 2009, 4:34 AM CDT
In force
3 hr
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Flood severity
None

Counties Baldwin County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 109 km from the middle of the area, began a volume at 06:57 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
Mar 28, 3:37 AM CDTFLASH FLOODMolino, FLISOLATED FLOODING REPORTED IN THE CENTRAL PORTION OF ESCAMBIA COUNTY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 7.0 hours before the alert went out and 250 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 2009-03-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1844 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°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 2009-03-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 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
1844 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
467 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
296 m²/s²
Significant tornado parameter
2.8
Supercell composite
13.4

Open this sounding in Storm Lab

The text

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

000 
WGUS54 KMOB 280657
FFWMOB
ALC003-FLC033-091-113-281000-
/O.NEW.KMOB.FF.W.0005.090328T0657Z-090328T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MOBILE AL
157 AM CDT SAT MAR 28 2009

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CENTRAL ESCAMBIA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITY OF PENSACOLA...
  OKALOOSA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITY OF CRESTVIEW...
  SANTA ROSA COUNTY IN NORTHWEST FLORIDA...
  THIS INCLUDES THE CITY OF NAVARRE...
  SOUTHEASTERN BALDWIN COUNTY IN SOUTHWEST ALABAMA...

* UNTIL 500 AM CDT

* AT 147 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  FLASH FLOODING FROM THUNDERSTORMS ALONG A LINE EXTENDING FROM      
  MOLINO TO MAGNOLIA SPRINGS...MOVING NORTHEAST AT 25 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  CHUMUCKLA...MIFLIN...ELBERTA...LILLIAN...SEMINOLE...COTTAGE HILL...
  CANTONMENT...BERRYDALE...BEULAH...MYRTLE GROVE...WARRINGTON...
  BELLVIEW...WEST PENSACOLA...BROWNSVILLE...GOULDING...ENSLEY...
  BRENT...GONZALEZ...EAST PENSACOLA HEIGHTS...PENSACOLA REGIONAL
  A/P...FERRY PASS...ALLENTOWN...PACE...MUNSON...BAGDAD...MILTON...
  MILTON NEAR WHITING FIELD...HAROLD...GOOD HOPE...WRIGHT...ESCAMBIA
  FARMS...OCEAN CITY...GALLIVER...EGLIN AFB...HOLT...BLACKMAN...
  BAKER...VALPARAISO...POSTIL...MILLIGAN...NICEVILLE...CANNON TOWN...
  CRESTVIEW AIRPORT...PEADEN...DEERLAND...DORCAS...SVEA AND LAUREL
  HILL

ADDITIONAL RAINFALL AMOUNTS OF 2 TO 3INCHES ARE POSSIBLE IN THE 
WARNED AREA. RADAR INDICATES THAT THE HEAVIEST RAIN WILL SPREAD 
EASTERLY FROM SOUTHERN BALDWIN COUNTY AND ACROSS THE WEST FLORIDA 
PANHANDLE...OVER AREAS THAT HAVE RECEIVED 6 TO 8 INCHES OF RAIN OVER 
THE LAST FEW DAYS.   

EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.

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.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

LAT...LON 3034 8783 3036 8784 3037 8784 3090 8742
      3100 8678 3099 8638 3046 8639 3049 8645
      3044 8655 3038 8715 3039 8717 3041 8703
      3046 8693 3051 8703 3055 8701 3044 8709
      3052 8710 3058 8717 3047 8714 3037 8726

$$
2 follow-up statements
000 
WGUS74 KMOB 280813
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
313 AM CDT SAT MAR 28 2009

ALC003-280822-
/O.CAN.KMOB.FF.W.0005.000000T0000Z-090328T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BALDWIN AL-
313 AM CDT SAT MAR 28 2009

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHEASTERN
BALDWIN COUNTY...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3056 8736 3099 8681 3100 8678 3099 8638
      3067 8639

$$

FLC033-091-113-281000-
/O.CON.KMOB.FF.W.0005.000000T0000Z-090328T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKALOOSA FL-ESCAMBIA FL-SANTA ROSA FL-
313 AM CDT SAT MAR 28 2009

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 500 AM CDT FOR
NORTHERN SANTA ROSA...CENTRAL ESCAMBIA AND NORTHERN OKALOOSA
COUNTIES...

AT 308 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE THUNDERSTORMS PRODUCING FLASH FLOODING.  THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 10 MILES NORTHWEST OF MUNSON TO 
PACE...MOVING NORTHEAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ALLENTOWN...MILTON...BAGDAD...MILTON NEAR WHITING FIELD...HAROLD...
GALLIVER...HOLT...GOOD HOPE...ESCAMBIA FARMS...MILLIGAN...BAKER...
CANNON TOWN...BLACKMAN...CRESTVIEW...PEADEN...CRESTVIEW AIRPORT...
DEERLAND...DORCAS...LAUREL HILL AND SVEA

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.

DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3056 8736 3099 8681 3100 8678 3099 8638
      3067 8639

$$
000 
WGUS74 KMOB 280934
FFSMOB

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
434 AM CDT SAT MAR 28 2009

FLC033-091-113-280943-
/O.CAN.KMOB.FF.W.0005.000000T0000Z-090328T1000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
OKALOOSA FL-ESCAMBIA FL-SANTA ROSA FL-
434 AM CDT SAT MAR 28 2009

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHERN SANTA
ROSA...CENTRAL ESCAMBIA AND NORTHERN OKALOOSA COUNTIES...

MOST OF SANTA ROSA AND ESCAMBIA COUNTY HAS BEEN INCLUDED IN A NEW 
FLASH FLOOD WARNING EFFECTIVE UNTIL 715 AM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ALABAMA AND NORTHWEST FLORIDA AND SOUTHEAST
MISSISSIPPI.

LAT...LON 3056 8736 3099 8681 3100 8678 3099 8638
      3067 8639

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 27, 10:02 PM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa43 min
Mar 28, 12:19 AM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa56 min
Mar 28, 12:48 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa42 min
Mar 28, 1:04 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa41 min
Mar 28, 1:11 AM CDTSevere Thunderstorm WarningMOBOkaloosa34 min
Mar 28, 1:28 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa47 min
Mar 28, 1:59 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa16 min
Mar 28, 2:13 AM CDTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa47 min
Mar 28, 2:56 AM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa49 min
Mar 28, 3:25 AM CDTSevere Thunderstorm WarningMOBEscambia, Santa Rosa65 min
Mar 28, 4:10 AM CDTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa65 min
Mar 28, 4:29 AM CDTFlash Flood WarningMOBEscambia, Santa Rosa3 hr
Mar 28, 5:12 AM CDTSevere Thunderstorm WarningMOBOkaloosa48 min
Mar 28, 6:11 AM CDTRiver Flood WarningMOBEscambia, Okaloosa16 hr
Mar 28, 6:11 AM CDTRiver Flood WarningMOBEscambia7 days
Mar 28, 6:11 AM CDTRiver Flood WarningMOBEscambia64 hr
Mar 28, 6:11 AM CDTRiver Flood WarningMOBEscambia13 days
Mar 28, 6:11 AM CDTRiver Flood WarningMOBOkaloosa, Santa Rosa7 days
Mar 28, 6:11 AM CDTRiver Flood WarningMOBOkaloosa9 days
Mar 28, 6:29 AM CDTSevere Thunderstorm WarningMOBOkaloosa31 min
Mar 28, 6:41 AM CDTFlash Flood WarningMOBOkaloosa, Santa Rosa6 hr
Mar 28, 7:15 AM CDTFlash Flood WarningMOBEscambia, Santa Rosa6 hr
Mar 28, 8:48 AM CDTRiver Flood WarningMOBEscambia, Okaloosa3 days
Mar 28, 8:52 AM CDTRiver Flood WarningMOBOkaloosa, Santa Rosa5 days
Mar 28, 8:52 AM CDTRiver Flood WarningMOBOkaloosa, Santa Rosa63 hr
Mar 28, 12:32 PM CDTAreal Flood WarningMOBEscambia, Santa Rosa12 hr
Mar 28, 12:38 PM CDTFlash Flood WarningMOBOkaloosa4 hr
Mar 28, 4:35 PM CDTAreal Flood WarningMOBOkaloosa8 hr
Mar 27, 8:20 PM CDTSpecial Marine WarningMOB40 min
Mar 27, 8:55 PM CDTSpecial Marine WarningMOB50 min
Mar 27, 8:58 PM CDTSpecial Marine WarningMOB47 min
Mar 27, 9:39 PM CDTSevere Thunderstorm WarningMOBChoctaw, Mobile, Washington51 min
Mar 27, 10:12 PM CDTSpecial Marine WarningMOB48 min
Mar 27, 10:16 PM CDTSevere Thunderstorm WarningMOBChoctaw44 min
Mar 27, 10:22 PM CDTSevere Thunderstorm WarningMOBChoctaw, Washington38 min
Mar 27, 10:46 PM CDTSevere Thunderstorm WarningMOBBaldwin, Clarke, Conecuh, Escambia, Monroe44 min
Mar 27, 10:53 PM CDTSpecial Marine WarningMOB67 min
Mar 27, 10:55 PM CDTSevere Thunderstorm WarningMOBChoctaw20 min
Mar 27, 11:05 PM CDTFlash Flood WarningMOBChoctaw, Clarke, Washington115 min
Mar 27, 11:28 PM CDTSevere Thunderstorm WarningMOBChoctaw, Washington47 min
Mar 27, 11:38 PM CDTAreal Flood AdvisoryMOBBaldwin112 min
Mar 27, 11:45 PM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington28 min
Mar 28, 12:10 AM CDTSevere Thunderstorm WarningMOBChoctaw, Clarke, Washington50 min
Mar 28, 1:01 AM CDTFlash Flood WarningMOBChoctaw, Clarke, Mobile, Washington119 min
Mar 28, 2:35 AM CDTSevere Thunderstorm WarningMOBMobile55 min
Mar 28, 2:45 AM CDTSpecial Marine WarningMOB90 min
Mar 28, 2:50 AM CDTTornado WarningMOBMobile15 min
Mar 28, 2:54 AM CDTSevere Thunderstorm WarningMOBBaldwin53 min
Mar 28, 3:01 AM CDTFlash Flood WarningMOBMobile89 min
Mar 28, 4:08 AM CDTSevere Thunderstorm WarningMOBChoctaw52 min
Mar 28, 4:57 AM CDTTornado WarningMOBCovington, Escambia49 min
Mar 28, 5:31 AM CDTTornado WarningMOBCovington21 min
Mar 28, 5:42 AM CDTTornado WarningMOBCovington12 min
Mar 28, 6:11 AM CDTRiver Flood WarningMOBBaldwin28 hr
Mar 28, 8:48 AM CDTRiver Flood WarningMOBCovington, Crenshaw, Escambia50 hr
Mar 28, 10:26 AM CDTSpecial Marine WarningMOB109 min
Mar 28, 12:53 PM CDTAreal Flood WarningMOBBaldwin, Clarke, Mobile, Monroe, Washington12 hr

Nearby

Flash Flood Warnings in Florida, 2009Flash Flood Warnings in Alabama, 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.