Alert archive / Mississippi / Areal Flood Warnings in 2013

Areal Flood Warning 7, NWS Mobile, AL

February 25, 2013Baldwin County, Escambia County, Mobile County, Alabama; Escambia County, Santa Rosa County, Florida; 4 counties in Mississippi

NWS Mobile, AL issued this areal flood warning at Feb 25, 2013, 6:54 PM CST for Baldwin County, Escambia County, Mobile County, Alabama; Escambia County, Santa Rosa County, Florida; 4 counties in Mississippi. It was in force for 6 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 25, 2013, 6:54 PM CST (00:54 UTC)
Expired: Feb 26, 2013, 12:45 AM CST
In force: 6 hr
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Flood severity: None

Counties Baldwin County, AL, Escambia County, AL, Mobile County, AL, Escambia County, FL, Santa Rosa County, FL, George County, MS, Greene County, MS, Perry County, MS, Stone County, MS

The radar

The Mobile radar (KMOB), 25 km from the middle of the area, began a volume at 00:57 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.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.9 hours before the alert went out and 168 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: 313 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 450 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 396 m²/s²
0-3 km storm-relative helicity: 406 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 6.0

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 25, 3:37 PM CST, 3 hours 17 minutes earlier.

Area forecast discussion, Feb 25, 3:37 PM CST, 3 hours 17 minutes before

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Hazardous weather outlook, Feb 25, 4:33 PM CST, 2 hours 21 minutes before

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In the hours before

Special weather statement, Feb 25, 3:47 PM CST, 3 hours 7 minutes before

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Special weather statement, Feb 25, 4:42 PM CST, 2 hours 12 minutes before

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Special weather statement, Feb 25, 5:54 PM CST, 1 hour 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
Feb 25, 6:19 PM CST	Special Marine Warning	MOB		86 min
Feb 25, 7:48 PM CST	Flash Flood Warning	MOB	Mobile	6 hr
Feb 25, 9:48 PM CST	Flash Flood Warning	MOB	Baldwin, Clarke, Mobile, Washington	6 hr
Feb 25, 10:35 PM CST	Flash Flood Warning	MOB	Clarke, Monroe	6 hr
Feb 25, 11:29 PM CST	Special Marine Warning	MOB		91 min
Feb 26, 5:36 AM CST	Small Craft Advisory	MOB		24 hr
Feb 26, 12:23 PM CST	River Flood Warning	MOB	Mobile	8 hr
Feb 26, 5:49 PM CST	River Flood Warning	MOB	Baldwin	9 hr
Feb 25, 10:44 PM CST	Areal Flood Warning	MOB	Escambia, Okaloosa, Santa Rosa	6 hr

Nearby

Areal Flood Warnings in Mississippi, 2013 Areal Flood Warnings in Alabama, 2013 Areal Flood Warnings in Florida, 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.