Alert archive / Florida / Special Weather Statements in 2020

Special Weather Statement, NWS Mobile, AL

April 29, 2020Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this special weather statement at Apr 29, 2020, 3:04 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 56 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Apr 29, 2020, 3:04 PM CDT (20:04 UTC)
Expired
Apr 29, 2020, 4:00 PM CDT
In force
56 min
Issued by
NWS Mobile, AL

Counties Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 84 km from the middle of the area, began a volume at 20:06 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, 8.1 hours before the alert went out and 241 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, Tallahassee Rgnl, FL at 12:00Z on 2020-04-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3 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, Tallahassee Rgnl, FL at 12:00Z on 2020-04-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.193958Sfc1 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
3 J/kg
Mixed-layer CIN
-275 J/kg
Mixed-layer LCL
924 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
172 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Apr 29, 1:27 PM CDT, 1 hour 37 minutes earlier.

Area forecast discussion, Apr 29, 1:27 PM CDT, 1 hour 37 minutes before
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Hazardous weather outlook, Apr 29, 5:22 AM CDT, 9 hours 42 minutes before
Hazardous Weather Outlook
National Weather Service Mobile AL
522 AM CDT Wed Apr 29 2020

ALZ051>060-261>264-FLZ201-203-205-MSZ067-075-076-078-079-301100-
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Escambia Inland-Santa Rosa Inland-Okaloosa Inland-
Wayne-Perry-Greene-Stone-George-
522 AM CDT Wed Apr 29 2020

This Hazardous Weather Outlook is for south central Alabama,
southwest Alabama, northwest Florida and southeast Mississippi.

.DAY ONE...Today and Tonight.

A slight risk of severe weather is outlooked today. Damaging
straight line winds appears to be the primary threat. Forecasters
also cannot rule out a tornado or two being possible and an instance
of severe hail up to a quarter size.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ALZ265-266-FLZ202-204-206-301100-
Mobile Coastal-Baldwin Coastal-Escambia Coastal-Santa Rosa Coastal-
Okaloosa Coastal-
522 AM CDT Wed Apr 29 2020

...HIGH RIP CURRENT RISK IN EFFECT FROM 9 AM CDT THIS MORNING
THROUGH LATE TONIGHT...

This Hazardous Weather Outlook is for southwest Alabama and
northwest Florida.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov/mob (see
Fast Access Product Section) for more information about the
following hazards.

   High Rip Current Risk.

A slight risk of severe weather is outlooked today. Damaging
straight line winds appears to be the primary threat. Forecasters
also cannot rule out a tornado or two being possible and an instance
of severe hail up to a quarter size.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

A moderate risk of rip currents Thursday. No hazardous weather
expected Friday through Tuesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ630>632-650-655-670-675-301100-
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Coastal waters from Pensacola FL to Pascagoula MS out 20 NM-
Coastal waters from Okaloosa Walton County Line FL to Pensacola FL
out 20 NM-Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM-
Waters from Okaloosa Walton County Line FL to Pensacola FL from
20 to 60 NM-
522 AM CDT Wed Apr 29 2020

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

This Hazardous Weather Outlook is for the coastal waters of Alabama
and northwest Florida.

.DAY ONE...Today and Tonight.

Please listen to NOAA Weather Radio or go to weather.gov/mob (see
Fast Access Product Section) for more information about the
following hazards.

   Small Craft Advisory.

Winds, waves and seas will be locally higher in and near marine
storms today.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

GMZ633>636-301100-
Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
522 AM CDT Wed Apr 29 2020

This Hazardous Weather Outlook is for the coastal waters of Alabama
and northwest Florida.

.DAY ONE...Today and Tonight.

Small craft should exercise caution today.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

No hazardous weather is expected at this time.

In the hours before

Special weather statement, Apr 29, 12:49 PM CDT, 2 hours 15 minutes before
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Special weather statement, Apr 29, 1:35 PM CDT, 1 hour 29 minutes before
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Special weather statement, Apr 29, 3:04 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 28, 11:23 PM CDTSmall Craft AdvisoryMOB8 hr
Apr 28, 11:55 PM CDTWind AdvisoryMOBBaldwin, Mobile4 hr
Apr 29, 3:36 AM CDTSpecial Marine WarningMOB84 min
Apr 29, 5:08 AM CDTSpecial Marine WarningMOB82 min
Apr 29, 5:14 AM CDTSpecial Marine WarningMOB91 min
Apr 29, 6:27 AM CDTSpecial Weather StatementMOBMobile63 min
Apr 29, 12:45 PM CDTSpecial Marine WarningMOB2 hr
Apr 29, 12:49 PM CDTSpecial Weather StatementMOBBaldwin, Mobile86 min
Apr 29, 1:31 PM CDTSpecial Marine WarningMOB89 min
Apr 29, 1:35 PM CDTSpecial Weather StatementMOBCovington, Escambia85 min
Apr 29, 1:41 PM CDTSpecial Marine WarningMOB2 hr
Apr 29, 4:02 PM CDTSpecial Marine WarningMOB45 min
Apr 29, 4:54 AM CDTSpecial Weather StatementMOBStone96 min

Nearby

Special Weather Statements in Florida, 2020Every special weather statement in 2020

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.