Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 142, NWS Mobile, AL

June 16, 2016Okaloosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Jun 16, 2016, 3:22 PM CDT for Okaloosa County, Florida. It was in force for 53 min. 2 reports 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 16, 2016, 3:22 PM CDT (20:22 UTC)
Expired
Jun 16, 2016, 4:15 PM CDT
In force
53 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Okaloosa County, FL

The radar

The Eglin Afb radar (KEVX), 45 km from the middle of the area, began a volume at 20:23 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 16, 3:45 PM CDTTSTM WND DMGNiceville, FLPOWER LINES REPORTED DOWN IN NICEVILLE. NICKEL SIZE HAIL WAS ALSO REPORTED.
Jun 16, 3:48 PM CDTTSTM WND DMGVilla Tasso, FLREPORT OF A FALLEN TREE VIA LOCAL ELECTRIC COMPANY.

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, 8.4 hours before the alert went out and 199 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 2016-06-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1854 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 2016-06-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 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
1854 J/kg
Mixed-layer CIN
-19 J/kg
Mixed-layer LCL
681 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
106 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

771 
WUUS54 KMOB 162022
SVRMOB
FLC091-162115-
/O.NEW.KMOB.SV.W.0142.160616T2022Z-160616T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
322 PM CDT THU JUN 16 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 415 PM CDT

* AT 321 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 9 MILES SOUTHEAST
  OF CRESTVIEW...MOVING SOUTH AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  CRESTVIEW...NICEVILLE...DESTIN...VALPARAISO AND EGLIN AIR FORCE BASE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3041 8630 3042 8631 3041 8632 3038 8645
      3038 8650 3037 8650 3037 8651 3072 8656
      3075 8639 3046 8639 3047 8635 3048 8633
      3047 8630 3048 8628 3042 8628
TIME...MOT...LOC 2021Z 345DEG 14KT 3067 8644 

HAIL...<.75IN
WIND...60MPH
 
$$
2 follow-up statements
943 
WWUS54 KMOB 162048
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
348 PM CDT THU JUN 16 2016

FLC091-162115-
/O.CON.KMOB.SV.W.0142.000000T0000Z-160616T2115Z/
OKALOOSA FL-
348 PM CDT THU JUN 16 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SOUTHEASTERN OKALOOSA COUNTY...

AT 347 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER VALPARAISO...
MOVING SOUTHEAST AT 15 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
NICEVILLE...DESTIN AND VALPARAISO. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3041 8630 3042 8631 3041 8632 3040 8639
      3038 8642 3038 8650 3037 8650 3037 8651
      3056 8654 3061 8639 3046 8639 3047 8635
      3048 8633 3047 8630 3048 8628 3042 8628
TIME...MOT...LOC 2047Z 333DEG 13KT 3050 8649 

HAIL...<.75IN
WIND...60MPH
 
$$
479 
WWUS54 KMOB 162109
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
409 PM CDT THU JUN 16 2016

FLC091-162119-
/O.EXP.KMOB.SV.W.0142.000000T0000Z-160616T2115Z/
OKALOOSA FL-
409 PM CDT THU JUN 16 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN OKALOOSA COUNTY
WILL EXPIRE AT 415 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3041 8630 3042 8631 3041 8632 3040 8639
      3038 8642 3038 8650 3037 8650 3037 8651
      3056 8654 3061 8639 3046 8639 3047 8635
      3048 8633 3047 8630 3048 8628 3042 8628
TIME...MOT...LOC 2104Z 345DEG 14KT 3050 8649 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 16, 12:12 PM CDTHeat AdvisoryMOBEscambia, Okaloosa, Santa Rosa29 hr
Jun 16, 2:46 PM CDTSpecial Weather StatementMOBOkaloosa44 min
Jun 16, 3:59 PM CDTSpecial Weather StatementMOBSanta Rosa46 min
Jun 16, 4:30 PM CDTSpecial Weather StatementMOBSanta Rosa45 min
Jun 16, 4:39 PM CDTSpecial Weather StatementMOBEscambia, Okaloosa66 min
Jun 16, 4:44 PM CDTSpecial Weather StatementMOBOkaloosa46 min
Jun 16, 5:10 PM CDTSevere Thunderstorm WarningMOBSanta Rosa35 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.