Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 150, NWS Mobile, AL

June 17, 2016Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Mobile County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Jun 17, 2016, 7:20 PM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Mobile County, Alabama. It was in force for 55 min. 4 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 17, 2016, 7:20 PM CDT (00:20 UTC)
Expired
Jun 17, 2016, 8:15 PM CDT
In force
55 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Baldwin County, AL, Mobile County, AL, Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 108 km from the middle of the area, began a volume at 00:19 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 17, 7:30 PM CDTTSTM WND DMGCrestview, FLCOUNTY 911 COMMUNICATIONS REPORTS NUMEROUS TREES DOWN COUNTY WIDE.
Jun 17, 7:40 PM CDTTSTM WND DMG1 Nw Knollwood Hospital, ALLARGE TREE LIMBS DOWN NEAR LLOYDS LN AT HAMPTON OAKS DR
Jun 17, 7:50 PM CDTTSTM WND DMG4 W Pensacola, FLLARGE TREE COVERING THE 3700 BLOCK OF CERVANTES REPORTED BY WEAR.
Jun 17, 8:08 PM CDTTSTM WND DMG2 Wnw Miramar Beach, FLREPORTS OF TREES DOWN ALONG WALTON WAY IN SOUTH WALTON COUNTY

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jun 17, 12:37 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 0.3 hours before the alert went out and 256 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 00:00Z on 2016-06-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2520 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 00:00Z on 2016-06-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 46 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
2520 J/kg
Mixed-layer CIN
-11 J/kg
Mixed-layer LCL
1364 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
46 m²/s²
0-3 km storm-relative helicity
112 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

145 
WUUS54 KMOB 180020
SVRMOB
ALC003-097-FLC033-091-113-180115-
/O.NEW.KMOB.SV.W.0150.160618T0020Z-160618T0115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
720 PM CDT FRI JUN 17 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BALDWIN COUNTY IN SOUTHWESTERN ALABAMA...
  SOUTHERN MOBILE COUNTY IN SOUTHWESTERN ALABAMA...
  ESCAMBIA COUNTY IN NORTHWESTERN FLORIDA...
  SANTA ROSA COUNTY IN NORTHWESTERN FLORIDA...
  OKALOOSA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 815 PM CDT

* AT 719 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 6 MILES NORTHWEST OF VANCLEAVE TO NEAR TILLMANS
  CORNER TO 8 MILES EAST OF ROBERTSDALE TO NEAR POINT BAKER TO 12
  MILES NORTH OF EGLIN AIR FORCE BASE...MOVING SOUTHEAST AT 45 MPH.
  WIND DAMAGE WILL LIKELY OCCUR ALONG A GUST FRONT AHEAD OF THE RAIN
  AND LIGHTNING AND WILL CONTINUE WITH THE THUNDERSTORMS THAT
  FOLLOW. 

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...TRAINED WEATHER SPOTTERS. NUMEROUS REPORTS OF WIND DAMAGE
           AND MEASURED GUSTS TO 60 MPH HAVE BEEN RECEIVED. 

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

* LOCATIONS IMPACTED INCLUDE...
  DOWNTOWN MOBILE...MIDTOWN MOBILE...PENSACOLA...PRICHARD...FERRY PASS...
  BRENT...WEST PENSACOLA...WRIGHT...FORT WALTON BEACH...ENSLEY...DAPHNE...
  TILLMANS CORNER...WARRINGTON...CRESTVIEW...FAIRHOPE...SARALAND...
  NICEVILLE...GONZALEZ...DESTIN AND GULF SHORES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND DAMAGE WITH THESE STORMS WILL OCCUR BEFORE ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3022 8838 3081 8842 3084 8756 3082 8639
      3046 8639 3048 8632 3042 8631 3038 8633
      3038 8650 3028 8650 3028 8683 3022 8720
TIME...MOT...LOC 0019Z 336DEG 37KT 3061 8873 3058 8821 3058 8757 3066
8705 3077 8635

HAIL...0.75IN
WIND...60MPH
 
$$
2 follow-up statements
292 
WWUS54 KMOB 180053
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
753 PM CDT FRI JUN 17 2016

ALC003-097-FLC033-091-113-180115-
/O.CON.KMOB.SV.W.0150.000000T0000Z-160618T0115Z/
BALDWIN AL-MOBILE AL-ESCAMBIA FL-SANTA ROSA FL-OKALOOSA FL-
753 PM CDT FRI JUN 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR SOUTHERN BALDWIN...SOUTHWESTERN MOBILE...SOUTHEASTERN ESCAMBIA...
SOUTHERN SANTA ROSA AND SOUTHERN OKALOOSA COUNTIES...

AT 752 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES SOUTHEAST OF GAUTIER TO NEAR FORT GAINES TO
NEAR PERDIDO BEACH TO NAVARRE TO 7 MILES NORTH OF SANTA ROSA BEACH...
MOVING SOUTHEAST AT 55 MPH. WIND DAMAGE WILL LIKELY OCCUR ALONG A
GUST FRONT AHEAD OF THE RAIN AND LIGHTNING AND WILL CONTINUE WITH
THE THUNDERSTORMS THAT FOLLOW. 

HAZARD...60 MPH WIND GUSTS. 

SOURCE...TRAINED WEATHER SPOTTERS. 

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

LOCATIONS IMPACTED INCLUDE...
PENSACOLA...FERRY PASS...BRENT...WEST PENSACOLA...WRIGHT...FORT WALTON
BEACH...ENSLEY...DAPHNE...TILLMANS CORNER...WARRINGTON...FAIRHOPE...
NICEVILLE...GONZALEZ...DESTIN...GULF SHORES...EGLIN AFB...FOLEY...PACE...
MILTON AND THEODORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND DAMAGE WITH THESE STORMS WILL OCCUR BEFORE ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3022 8838 3060 8841 3061 8758 3068 8639
      3046 8639 3048 8632 3042 8631 3038 8633
      3038 8650 3028 8650 3028 8681 3022 8720
TIME...MOT...LOC 0052Z 316DEG 49KT 3032 8858 3028 8806 3032 8741 3040
8689 3047 8621

HAIL...<.75IN
WIND...60MPH
 
$$
208 
WWUS54 KMOB 180112
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
812 PM CDT FRI JUN 17 2016

ALC003-097-FLC033-091-113-180121-
/O.EXP.KMOB.SV.W.0150.000000T0000Z-160618T0115Z/
BALDWIN AL-MOBILE AL-ESCAMBIA FL-SANTA ROSA FL-OKALOOSA FL-
812 PM CDT FRI JUN 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN BALDWIN...
SOUTHWESTERN MOBILE...SOUTHEASTERN ESCAMBIA...SOUTHERN SANTA ROSA AND
SOUTHERN OKALOOSA COUNTIES WILL EXPIRE AT 815 PM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3022 8838 3060 8841 3061 8758 3068 8639
      3046 8639 3048 8632 3042 8631 3038 8633
      3038 8650 3028 8650 3028 8681 3022 8720
TIME...MOT...LOC 0109Z 336DEG 37KT 3032 8858 3028 8806 3032 8741 3040
8689 3047 8621

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 17, 7:17 PM CDTSpecial Marine WarningMOB58 min
Jun 17, 7:51 PM CDTSpecial Marine WarningMOB84 min
Jun 17, 9:07 PM CDTSpecial Marine WarningMOB38 min
Jun 17, 9:40 PM CDTSpecial Marine WarningMOB50 min
Jun 18, 5:50 PM CDTSpecial Weather StatementMOBBaldwin40 min
Jun 18, 6:28 PM CDTSpecial Marine WarningMOB62 min
Jun 18, 6:30 PM CDTSpecial Weather StatementMOBMobile45 min
Jun 18, 6:31 PM CDTSpecial Marine WarningMOB29 min

Nearby

Severe Thunderstorm Warnings in Florida, 2016Severe Thunderstorm Warnings in Alabama, 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.