Alert archive / Florida / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 113, NWS Mobile, AL

July 8, 2019Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jul 8, 2019, 5:44 PM CDT for Okaloosa County, Santa Rosa County, Florida. It was in force for 34 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
Jul 8, 2019, 5:44 PM CDT (22:44 UTC)
Expired
Jul 8, 2019, 6:18 PM CDT
In force
34 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 89 km from the middle of the area, began a volume at 22:47 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
Jul 8, 5:57 PM CDTTSTM WND DMG4 W Hurlburt Field, FLA GAZEBO AND FENCE WERE DAMAGED. ANOTHER HOME JUST TO THE SOUTH HAD A FENCE BLOWN DOWN AND THE DOOR TO THEIR SCREENED IN PORCH TORN OFF.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.7 hours before the alert went out and 243 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 2019-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 13 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, Tallahassee Rgnl, FL at 12:00Z on 2019-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -19 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
13 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
1236 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
-19 m²/s²
0-3 km storm-relative helicity
-12 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

215 
WUUS54 KMOB 082244
SVRMOB
FLC091-113-082330-
/O.NEW.KMOB.SV.W.0113.190708T2244Z-190708T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
544 PM CDT Mon Jul 8 2019

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southwestern Okaloosa County in northwestern Florida...
  Southeastern Santa Rosa County in northwestern Florida...

* Until 630 PM CDT.

* At 544 PM CDT, a severe thunderstorm was located 6 miles northwest
  of Wright, moving south at 25 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

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

* Locations impacted include...
  Wright, Fort Walton Beach, Eglin AFB, Mary Esther, Ocean City, Lake
  Lorraine, Navarre, Shalimar, Cinco Bayou and Navarre Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3032 8695 3037 8693 3037 8692 3038 8693
      3060 8685 3062 8663 3035 8649
TIME...MOT...LOC 2244Z 352DEG 20KT 3050 8673 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
153 
WWUS54 KMOB 082301
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
601 PM CDT Mon Jul 8 2019

FLC091-113-082330-
/O.CON.KMOB.SV.W.0113.000000T0000Z-190708T2330Z/
Okaloosa FL-Santa Rosa FL-
601 PM CDT Mon Jul 8 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR SOUTHWESTERN OKALOOSA AND SOUTHEASTERN SANTA ROSA COUNTIES...

At 601 PM CDT, a severe thunderstorm was located near Mary Esther,
moving south at 25 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

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

Locations impacted include...
Wright, Fort Walton Beach, Eglin AFB, Mary Esther, Ocean City, Lake
Lorraine, Shalimar, Cinco Bayou and Navarre Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3032 8695 3037 8693 3037 8692 3038 8693
      3047 8687 3055 8660 3035 8649
TIME...MOT...LOC 2301Z 352DEG 20KT 3040 8671 

HAIL...<.75IN
WIND...60MPH
 
$$
275 
WWUS54 KMOB 082318
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
618 PM CDT Mon Jul 8 2019

FLC091-113-082328-
/O.CAN.KMOB.SV.W.0113.000000T0000Z-190708T2330Z/
Okaloosa FL-Santa Rosa FL-
618 PM CDT Mon Jul 8 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN OKALOOSA AND
SOUTHEASTERN SANTA ROSA COUNTIES IS CANCELLED...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mobile.

LAT...LON 3032 8695 3037 8693 3037 8692 3038 8693
      3047 8687 3055 8660 3035 8649
TIME...MOT...LOC 2317Z 352DEG 20KT 3030 8669 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 8, 5:38 PM CDTSpecial Weather StatementMOBOkaloosa52 min

Nearby

Severe Thunderstorm Warnings in Florida, 2019Every severe thunderstorm warning in 2019

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.