Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 95, NWS Mobile, AL

March 17, 2016Okaloosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2016, 10:15 PM CDT for Okaloosa County, Florida. It was in force for 30 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
Mar 17, 2016, 10:15 PM CDT (03:15 UTC)
Expired
Mar 17, 2016, 10:45 PM CDT
In force
30 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 58 km from the middle of the area, began a volume at 03:17 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, 3.3 hours before the alert went out and 212 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 2016-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 56 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 00:00Z on 2016-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 110 square meters per square second.1939587897117Sfc1 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
56 J/kg
Mixed-layer CIN
-132 J/kg
Mixed-layer LCL
965 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
110 m²/s²
0-3 km storm-relative helicity
90 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.9

Open this sounding in Storm Lab

The text

As transmitted.

815 
WUUS54 KMOB 180315
SVRMOB
FLC091-180345-
/O.NEW.KMOB.SV.W.0095.160318T0315Z-160318T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
1015 PM CDT THU MAR 17 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN OKALOOSA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 1045 PM CDT

* AT 1015 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NICEVILLE...
  MOVING SOUTHEAST AT 40 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...
  CRESTVIEW...NICEVILLE...DESTIN...VALPARAISO...EGLIN AFB...LAKE LORRAINE...
  SHALIMAR...POSTIL AND FORT WALTON BEACH..

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 3042 8656 3040 8656 3039 8653 3039 8656
      3041 8658 3040 8660 3050 8660 3053 8671
      3075 8651 3074 8639 3045 8639 3045 8642
      3041 8644 3040 8640 3038 8640 3038 8651
TIME...MOT...LOC 0315Z 300DEG 36KT 3057 8650 

HAIL...1.00IN
WIND...60MPH
 
$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 17, 7:55 PM CDTSevere Thunderstorm WarningMOBEscambia65 min
Mar 17, 8:41 PM CDTSevere Thunderstorm WarningMOBEscambia38 min
Mar 17, 8:52 PM CDTSpecial Weather StatementMOBSanta Rosa53 min
Mar 17, 9:28 PM CDTSevere Thunderstorm WarningMOBOkaloosa, Santa Rosa47 min
Mar 17, 9:30 PM CDTSevere Thunderstorm WarningMOBEscambia37 min
Mar 17, 9:50 PM CDTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa55 min
Mar 17, 10:01 PM CDTRiver Flood WarningMOBOkaloosa4 days
Mar 17, 10:45 PM CDTSpecial Weather StatementMOBOkaloosa15 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016Every severe thunderstorm warning in 2016

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.