Alert archive / Florida / Areal Flood Warnings in 2009

Areal Flood Warning 6, NWS Mobile, AL

March 28, 2009Okaloosa County, Florida

NWS Mobile, AL issued this areal flood warning at Mar 28, 2009, 4:35 PM CDT for Okaloosa County, Florida. It was in force for 8 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 28, 2009, 4:35 PM CDT (21:35 UTC)
Expired: Mar 29, 2009, 12:30 AM CDT
In force: 8 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 65 km from the middle of the area, began a volume at 21:36 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

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 9.6 hours before the alert went out and 221 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: 510 J/kg
Mixed-layer CIN: -16 J/kg
Mixed-layer LCL: 491 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 355 m²/s²
0-3 km storm-relative helicity: 372 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 8.6

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 28, 3:43 PM CDT, 52 minutes earlier.

Area forecast discussion, Mar 28, 3:43 PM CDT, 52 minutes before

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Hazardous weather outlook, Mar 28, 12:35 PM CDT, 4 hours before

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In the hours before

Special weather statement, Mar 28, 10:52 AM CDT, 5 hours 43 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1052 AM CDT SAT MAR 28 2009

ALZ060-281630-
COVINGTON-
1052 AM CDT SAT MAR 28 2009

...A STRONG THUNDERSTORM WILL AFFECT COVINGTON COUNTY...

AT 1047 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
STRONG THUNDERSTORM 4 MILES SOUTHWEST OF GREEN BAY...MOVING NORTHEAST
AT 40 MPH.

THIS THUNDERSTORM WILL AFFECT AREAS IN AND AROUND...
GREEN BAY...ONYCHA...BABBIE AND OPP THROUGH 1130 AM CDT.

THE PRIMARY THREATS FROM THIS STORM ARE SMALL HAIL...FREQUENT
LIGHTNING...AND WIND GUSTS OF 35 TO 45 MPH. WINDS THIS STRONG COULD
DOWN SMALL TREE LIMBS OR BRANCHES AND BLOW AROUND UNSECURED SMALL
OBJECTS. SEEK SHELTER IN A SAFE HOME OR BUILDING UNTIL THE STORM HAS
PASSED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 500 PM CDT SATURDAY AFTERNOON
FOR NORTHWEST FLORIDA.

Local storm report, Mar 28, 12:41 PM CDT, 3 hours 54 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 27, 8:20 PM CDT	Special Marine Warning	MOB		40 min
Mar 27, 8:55 PM CDT	Special Marine Warning	MOB		50 min
Mar 27, 8:58 PM CDT	Special Marine Warning	MOB		47 min
Mar 27, 9:39 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Mobile, Washington	51 min
Mar 27, 10:02 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin	43 min
Mar 27, 10:12 PM CDT	Special Marine Warning	MOB		48 min
Mar 27, 10:16 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	44 min
Mar 27, 10:22 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	38 min
Mar 27, 10:46 PM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Clarke, Conecuh, Escambia, Monroe	44 min
Mar 27, 10:53 PM CDT	Special Marine Warning	MOB		67 min
Mar 27, 10:55 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw	20 min
Mar 27, 11:05 PM CDT	Flash Flood Warning	MOB	Choctaw, Clarke, Washington	115 min
Mar 27, 11:28 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Washington	47 min
Mar 27, 11:38 PM CDT	Areal Flood Advisory	MOB	Baldwin	112 min
Mar 27, 11:45 PM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	28 min
Mar 28, 12:10 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw, Clarke, Washington	50 min
Mar 28, 12:48 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	42 min
Mar 28, 1:01 AM CDT	Flash Flood Warning	MOB	Choctaw, Clarke, Mobile, Washington	119 min
Mar 28, 1:04 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	41 min
Mar 28, 1:11 AM CDT	Severe Thunderstorm Warning	MOB	Covington	34 min
Mar 28, 1:28 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	47 min
Mar 28, 1:57 AM CDT	Flash Flood Warning	MOB	Baldwin	3 hr
Mar 28, 1:59 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	16 min
Mar 28, 2:13 AM CDT	Severe Thunderstorm Warning	MOB	Covington	47 min
Mar 28, 2:35 AM CDT	Severe Thunderstorm Warning	MOB	Mobile	55 min
Mar 28, 2:45 AM CDT	Special Marine Warning	MOB		90 min
Mar 28, 2:50 AM CDT	Tornado Warning	MOB	Mobile	15 min
Mar 28, 2:54 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin	53 min
Mar 28, 2:56 AM CDT	Severe Thunderstorm Warning	MOB	Covington, Escambia	49 min
Mar 28, 3:01 AM CDT	Flash Flood Warning	MOB	Mobile	89 min
Mar 28, 3:25 AM CDT	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	65 min
Mar 28, 4:08 AM CDT	Severe Thunderstorm Warning	MOB	Choctaw	52 min
Mar 28, 4:10 AM CDT	Severe Thunderstorm Warning	MOB	Covington, Escambia	65 min
Mar 28, 4:29 AM CDT	Flash Flood Warning	MOB	Baldwin, Escambia, Mobile, Monroe	3 hr
Mar 28, 4:57 AM CDT	Tornado Warning	MOB	Covington, Escambia	49 min
Mar 28, 5:12 AM CDT	Severe Thunderstorm Warning	MOB	Covington	48 min
Mar 28, 5:31 AM CDT	Tornado Warning	MOB	Covington	21 min
Mar 28, 5:42 AM CDT	Tornado Warning	MOB	Covington	12 min
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Baldwin	28 hr
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Covington, Escambia	16 hr
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Baldwin	7 days
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Baldwin	64 hr
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Escambia	13 days
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Covington, Escambia	7 days
Mar 28, 6:41 AM CDT	Flash Flood Warning	MOB	Covington, Escambia	6 hr
Mar 28, 7:15 AM CDT	Flash Flood Warning	MOB	Baldwin, Conecuh, Escambia	6 hr
Mar 28, 8:48 AM CDT	River Flood Warning	MOB	Covington, Crenshaw, Escambia	50 hr
Mar 28, 8:48 AM CDT	River Flood Warning	MOB	Covington, Escambia	3 days
Mar 28, 8:52 AM CDT	River Flood Warning	MOB	Covington	5 days
Mar 28, 10:26 AM CDT	Special Marine Warning	MOB		109 min
Mar 28, 12:32 PM CDT	Areal Flood Warning	MOB	Baldwin, Conecuh, Covington, Crenshaw, Escambia, Monroe	12 hr
Mar 28, 12:53 PM CDT	Areal Flood Warning	MOB	Baldwin, Clarke, Mobile, Monroe, Washington	12 hr
Mar 28, 12:19 AM CDT	Severe Thunderstorm Warning	MOB	Okaloosa, Santa Rosa	56 min
Mar 28, 6:11 AM CDT	River Flood Warning	MOB	Okaloosa	9 days
Mar 28, 6:29 AM CDT	Severe Thunderstorm Warning	MOB	Okaloosa	31 min
Mar 28, 8:52 AM CDT	River Flood Warning	MOB	Okaloosa, Santa Rosa	63 hr
Mar 28, 12:38 PM CDT	Flash Flood Warning	MOB	Okaloosa	4 hr
Mar 27, 10:43 PM CDT	Severe Thunderstorm Warning	MOB	Greene, Perry, Wayne	47 min
Mar 28, 9:49 AM CDT	River Flood Warning	MOB	Perry	5 days
Mar 28, 12:29 PM CDT	River Flood Warning	MOB	Greene, Wayne	21 hr

Nearby

Areal Flood Warnings in Florida, 2009 Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.