Alert archive / Florida / Areal Flood Warnings in 2013

Areal Flood Warning 20, NWS Mobile, AL

July 6, 2013Okaloosa County, Florida

NWS Mobile, AL issued this areal flood warning at Jul 6, 2013, 10:23 AM CDT for Okaloosa County, Florida. It was in force for 12 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: Jul 6, 2013, 10:23 AM CDT (15:23 UTC)
Expired: Jul 6, 2013, 10:15 PM CDT
In force: 12 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 15:22 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, 3.4 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: 599 J/kg
Mixed-layer CIN: -20 J/kg
Mixed-layer LCL: 616 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 125 m²/s²
0-3 km storm-relative helicity: 167 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Jul 6, 10:20 AM CDT, 3 minutes earlier.

Area forecast discussion, Jul 6, 10:20 AM CDT, 3 minutes before

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Hazardous weather outlook, Jul 6, 8:17 AM CDT, 2 hours 6 minutes before

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In the hours before

Local storm report, Jul 6, 5:17 AM CDT, 5 hours 6 minutes before

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      <div class="status" id="status">Temporary Notice</div>
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 5, 8:56 PM CDT	River Flood Warning	MOB	Covington, Escambia	27 hr
Jul 6, 8:37 AM CDT	Areal Flood Advisory	MOB	Mobile	113 min
Jul 6, 9:59 AM CDT	Special Marine Warning	MOB		91 min
Jul 5, 10:27 PM CDT	Areal Flood Warning	MOB	Okaloosa	12 hr
Jul 5, 11:45 PM CDT	Areal Flood Warning	MOB	Santa Rosa	24 hr
Jul 6, 8:40 AM CDT	Areal Flood Advisory	MOB	Escambia	2 hr
Jul 6, 10:12 AM CDT	Areal Flood Advisory	MOB	Escambia, Santa Rosa	2 hr
Jul 6, 10:52 AM CDT	Areal Flood Advisory	MOB	Escambia	113 min
Jul 6, 12:23 PM CDT	Flash Flood Warning	MOB	Okaloosa	6 hr

Nearby

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.