Alert archive / Florida / Special Weather Statements in 2018

Special Weather Statement, NWS Mobile, AL

June 10, 2018Okaloosa County, Florida

NWS Mobile, AL issued this special weather statement at Jun 10, 2018, 10:57 AM CDT for Okaloosa County, Florida. It was in force for 48 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
Jun 10, 2018, 10:57 AM CDT (15:57 UTC)
Expired
Jun 10, 2018, 11:45 AM CDT
In force
48 min
Issued by
NWS Mobile, AL

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 92 km from the middle of the area, began a volume at 15:58 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 12:00Z, 4.0 hours before the alert went out and 273 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, Slidell Radar S, LA at 12:00Z on 2018-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1960 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, Slidell Radar S, LA at 12:00Z on 2018-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 square meters per square second.1939Sfc1 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
1960 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
863 m above ground
0-6 km bulk shear
4 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
-52 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 Jun 10, 6:39 AM CDT, 4 hours 18 minutes earlier.

Area forecast discussion, Jun 10, 6:39 AM CDT, 4 hours 18 minutes before
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Hazardous weather outlook, Jun 10, 5:57 AM CDT, 5 hours before
Hazardous Weather Outlook
National Weather Service Mobile AL
557 AM CDT Sun Jun 10 2018

ALZ051>060-261>266-FLZ201>206-GMZ633-MSZ067-075-076-078-079-111100-
Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw-
Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central-
Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland-
Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal-
Okaloosa Inland-Okaloosa Coastal-Perdido Bay-Wayne-Perry-Greene-
Stone-George-
557 AM CDT Sun Jun 10 2018

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

.DAY ONE...Today and Tonight.

A few strong to severe thunderstorms are possible this afternoon into
this evening. Hail is the primary threat, with strong winds also
possible. Localized ponding of water is also possible with the
stronger storms.

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

A few strong to severe thunderstorms are possible each afternoon
into the evening. Damaging winds are the primary threat, with small
hail also possible in the stronger storms.

Increasing onshore winds and an increasing tidal cycle will bring an
increasing chance of dangerous rip currents Thursday through Saturday.

GMZ630>632-634>636-650-655-670-675-111100-
Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound-
Pensacola Bay System-Western Choctawhatchee Bay-
Eastern Choctawhatchee Bay-
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-
557 AM CDT Sun Jun 10 2018

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

.DAY ONE...Today and Tonight.

Thunderstorms developing today will create locally higher winds and
higher waves. This will create hazardous conditions for smaller
craft.

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

No hazardous weather is expected at this time.

In the hours before

Special weather statement, Jun 10, 6:53 AM CDT, 4 hours 4 minutes before
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Special weather statement, Jun 10, 10:57 AM CDT, 0 minutes before
Special Weather Statement
National Weather Service Mobile AL
1057 AM CDT SUN JUN 10 2018

FLZ203-205-206-101645-
Okaloosa Inland FL-Okaloosa Coastal FL-Santa Rosa Inland FL-
1057 AM CDT SUN JUN 10 2018

...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN OKALOOSA AND SOUTHEASTERN SANTA ROSA COUNTIES UNTIL 1145
AM CDT...

At 1056 AM CDT, the strong thunderstorm was located 7 miles east of
Bagdad, moving east at 10 mph.

Winds in excess of 30 mph will be possible with this storm.

Locations impacted include...
Wright.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 3047 8693 3049 8696 3054 8695 3056 8692
      3059 8694 3060 8695 3067 8694 3069 8662
      3042 8664
TIME...MOT...LOC 1556Z 273DEG 10KT 3057 8690

DJ/17

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 6:53 AM CDTSpecial Weather StatementMOBMobile52 min
Jun 10, 2:58 PM CDTSpecial Marine WarningMOB62 min
Jun 10, 3:44 PM CDTSpecial Marine WarningMOB61 min
Jun 10, 3:55 PM CDTAreal Flood AdvisoryMOBConecuh2 hr
Jun 10, 4:17 PM CDTSpecial Weather StatementMOBMonroe, Wilcox28 min
Jun 10, 5:03 PM CDTSpecial Weather StatementMOBMonroe42 min
Jun 10, 5:05 PM CDTSpecial Weather StatementMOBEscambia40 min
Jun 10, 5:15 PM CDTSpecial Weather StatementMOBWashington45 min
Jun 10, 5:24 PM CDTSevere Thunderstorm WarningMOBClarke, Washington45 min
Jun 10, 5:32 PM CDTSpecial Weather StatementMOBMonroe43 min
Jun 10, 12:52 AM CDTSpecial Weather StatementMOBEscambia38 min
Jun 10, 2:09 PM CDTSpecial Weather StatementMOBSanta Rosa36 min
Jun 10, 3:00 PM CDTSpecial Weather StatementMOBSanta Rosa30 min
Jun 10, 3:05 PM CDTSevere Thunderstorm WarningMOBSanta Rosa40 min
Jun 10, 3:19 PM CDTAreal Flood AdvisoryMOBEscambia, Santa Rosa56 min
Jun 10, 3:32 PM CDTSpecial Weather StatementMOBEscambia43 min
Jun 10, 3:59 PM CDTSpecial Weather StatementMOBEscambia46 min
Jun 10, 4:04 PM CDTFlash Flood WarningMOBEscambia69 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.