Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Mobile, AL

July 22, 2018Okaloosa County, Florida

NWS Mobile, AL issued this special weather statement at Jul 22, 2018, 7:55 PM CDT for Okaloosa County, Florida. It was in force for 50 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
Jul 22, 2018, 7:55 PM CDT (00:55 UTC)
Expired
Jul 22, 2018, 8:45 PM CDT
In force
50 min
Issued by
NWS Mobile, AL

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 87 km from the middle of the area, began a volume at 00:59 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 00:00Z, 0.9 hours before the alert went out and 242 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 00:00Z on 2018-07-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1072 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 00:00Z on 2018-07-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 154 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
1072 J/kg
Mixed-layer CIN
-120 J/kg
Mixed-layer LCL
1007 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
154 m²/s²
0-3 km storm-relative helicity
183 m²/s²
Significant tornado parameter
0.5
Supercell composite
6.4

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 Jul 22, 6:24 PM CDT, 1 hour 31 minutes earlier.

Area forecast discussion, Jul 22, 6:24 PM CDT, 1 hour 31 minutes before
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Hazardous weather outlook, Jul 22, 7:14 AM CDT, 12 hours 41 minutes before
Hazardous Weather Outlook
National Weather Service Mobile AL
714 AM CDT Sun Jul 22 2018

ALZ265-266-FLZ202-204-206-231215-
Mobile Coastal-Baldwin Coastal-Escambia Coastal-Santa Rosa Coastal-
Okaloosa Coastal-
714 AM CDT Sun Jul 22 2018

...HEAT ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...
...HIGH RIP CURRENT RISK IN EFFECT THROUGH MONDAY MORNING...

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.
   Heat Advisory.

Strong to severe thunderstorms possible east of I-65 and along I-10
in northwest Florida late this afternoon to early evening. Localized
damaging wind gusts in excess of 60 mph and perhaps some instances
of hail will be possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

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.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ALZ059-261>264-FLZ201-203-205-MSZ075-076-078-079-231215-
Escambia-Mobile Inland-Baldwin Inland-Mobile Central-Baldwin Central-
Escambia Inland-Santa Rosa Inland-Okaloosa Inland-Perry-Greene-Stone-
George-
714 AM CDT Sun Jul 22 2018

...HEAT ADVISORY IN EFFECT UNTIL 6 PM CDT THIS EVENING...

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

.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.

   Heat Advisory.

Strong to severe thunderstorms possible east of I-65 and along I-10
in northwest Florida late this afternoon to early evening. Localized
damaging wind gusts in excess of 60 mph and perhaps some instances
of hail will be possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

ALZ051>058-060-MSZ067-231215-
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Covington-Wayne-
714 AM CDT Sun Jul 22 2018

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

.DAY ONE...Today and Tonight.

Strong to severe thunderstorms possible east of I-65 and along I-10
in northwest Florida late this afternoon to early evening. Localized
damaging wind gusts in excess of 60 mph and perhaps some instances
of hail will be possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not expected at this time.

GMZ630-633>636-231215-
Northern Mobile Bay-Perdido Bay-Pensacola Bay System-
Western Choctawhatchee Bay-Eastern Choctawhatchee Bay-
714 AM CDT Sun Jul 22 2018

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

.DAY ONE...Today and Tonight.

Strong to severe thunderstorms possible east of I-65 and along I-10
in northwest Florida late this afternoon to early evening. Localized
damaging wind gusts in excess of 60 mph and perhaps some instances
of hail will be possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

GMZ650-655-670-675-231215-
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-
714 AM CDT Sun Jul 22 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT MONDAY...

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.

Isolated strong to severe thunderstorms possible this evening.
Localized damaging wind gusts in excess of 60 mph and perhaps some
instances of hail will be possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

GMZ631-632-231215-
Southern Mobile Bay-Mississippi Sound-
714 AM CDT Sun Jul 22 2018

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 PM CDT THIS EVENING...

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.

Strong to severe thunderstorms possible east of I-65 and along I-10
in northwest Florida late this afternoon to early evening. Localized
damaging wind gusts in excess of 60 mph and perhaps some instances
of hail will be possible.

.DAYS TWO THROUGH SEVEN...Monday through Saturday.

No hazardous weather is expected at this time.

In the hours before

Local storm report, Jul 22, 3:48 PM CDT, 4 hours 7 minutes before
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Local storm report, Jul 22, 3:53 PM CDT, 4 hours 2 minutes before
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Local storm report, Jul 22, 5:42 PM CDT, 2 hours 13 minutes before
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Local storm report, Jul 22, 5:45 PM CDT, 2 hours 10 minutes before
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Local storm report, Jul 22, 5:53 PM CDT, 2 hours 2 minutes before
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Special weather statement, Jul 22, 6:14 PM CDT, 1 hour 41 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 7:58 PM CDTSpecial Marine WarningMOB62 min
Jul 22, 10:03 PM CDTSpecial Marine WarningMOB57 min
Jul 22, 7:21 PM CDTSpecial Weather StatementMOBOkaloosa39 min

Nearby

Special Weather Statements in Florida, 2018Every special weather statement in 2018

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.