Alert archive / Florida / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 48, NWS Mobile, AL

June 10, 2018Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jun 10, 2018, 3:05 PM CDT for Santa Rosa County, Florida. It was in force for 40 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 10, 2018, 3:05 PM CDT (20:05 UTC)
Expired
Jun 10, 2018, 3:45 PM CDT
In force
40 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Santa Rosa County, FL

The radar

The Mobile radar (KMOB), 106 km from the middle of the area, began a volume at 20:08 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.

What was reported inside it

TimeReportWhereRemark
Jun 10, 3:10 PM CDTTSTM WND DMG4 E Pace, FLSEVERAL DOWNED POWER LINES REPORTED WITHIN 3 MILES NORTH AND SOUTH OF HIGHWAY 90 FROM NEAR CHUMUCKLA HIGHWAY TO NEAR HIGHWAY 87 SOUTH.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 8.1 hours before the alert went out and 246 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°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.

283 
WUUS54 KMOB 102005
SVRMOB
FLC113-102045-
/O.NEW.KMOB.SV.W.0048.180610T2005Z-180610T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
305 PM CDT SUN JUN 10 2018

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southern Santa Rosa County in northwestern Florida...

* Until 345 PM CDT.

* At 305 PM CDT, a severe thunderstorm was located over Floridatown,
  or near Pace, moving southeast at 15 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Pensacola, Pace, Bagdad, Floridatown and Pea Ridge. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3048 8716 3049 8715 3050 8716 3051 8716
      3053 8719 3055 8719 3056 8721 3056 8722
      3057 8722 3057 8723 3065 8710 3048 8687
      3038 8709
TIME...MOT...LOC 2005Z 306DEG 12KT 3056 8713 

HAIL...1.00IN
WIND...60MPH
 
$$
2 follow-up statements
059 
WWUS54 KMOB 102022
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
322 PM CDT SUN JUN 10 2018

FLC113-102045-
/O.CON.KMOB.SV.W.0048.000000T0000Z-180610T2045Z/
Santa Rosa FL-
322 PM CDT SUN JUN 10 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHEASTERN SANTA ROSA COUNTY...

At 321 PM CDT, a severe thunderstorm was located 5 miles southeast of
Pea Ridge, or 5 miles southwest of Bagdad, moving southeast at 15
mph.

HAZARD...60 mph wind gusts and penny size hail.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

Locations impacted include...
Bagdad and Pea Ridge. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3048 8716 3049 8715 3050 8716 3051 8716
      3053 8719 3055 8719 3063 8707 3048 8687
      3038 8709
TIME...MOT...LOC 2021Z 306DEG 12KT 3053 8708 

HAIL...0.75IN
WIND...60MPH
 
$$
558 
WWUS54 KMOB 102041
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
341 PM CDT SUN JUN 10 2018

FLC113-102050-
/O.EXP.KMOB.SV.W.0048.000000T0000Z-180610T2045Z/
Santa Rosa FL-
341 PM CDT SUN JUN 10 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN SANTA ROSA COUNTY
WILL EXPIRE AT 345 PM CDT...
                
The storm which prompted the warning has weakened below severe 
limits. Therefore, the warning will be allowed to expire.  However 
heavy rain and frequent lightning can be expected with this 
thunderstorm.

LAT...LON 3048 8716 3049 8715 3050 8716 3051 8716
      3053 8719 3055 8719 3063 8707 3048 8687
      3038 8709
TIME...MOT...LOC 2040Z 306DEG 12KT 3050 8703 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 12:52 AM CDTSpecial Weather StatementMOBEscambia38 min
Jun 10, 10:57 AM CDTSpecial Weather StatementMOBOkaloosa48 min
Jun 10, 2:09 PM CDTSpecial Weather StatementMOBSanta Rosa36 min
Jun 10, 3:00 PM CDTSpecial Weather StatementMOBSanta Rosa30 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

Severe Thunderstorm Warnings in Florida, 2018Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.