Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 94, NWS Mobile, AL

March 17, 2016Escambia County, Okaloosa County, Santa Rosa County, Florida

NWS Mobile, AL issued this severe thunderstorm warning at Mar 17, 2016, 9:50 PM CDT for Escambia County, Okaloosa County, Santa Rosa County, Florida. It was in force for 55 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, 9:50 PM CDT (02:50 UTC)
Expired
Mar 17, 2016, 10:45 PM CDT
In force
55 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Escambia County, FL, Okaloosa County, FL, Santa Rosa County, FL

The radar

The Eglin Afb radar (KEVX), 106 km from the middle of the area, began a volume at 02:53 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 watch it was issued in

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

IssuedProductOfficeLasted
Mar 17, 1:19 PM CDTSevere Thunderstorm WatchSPC9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 2.8 hours before the alert went out and 258 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 2016-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 761 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 2016-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 171 square meters per square second.1939587897Sfc1 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
761 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
1293 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
171 m²/s²
0-3 km storm-relative helicity
167 m²/s²
Significant tornado parameter
0.4
Supercell composite
5.5

Open this sounding in Storm Lab

The text

As transmitted.

050 
WUUS54 KMOB 180250
SVRMOB
FLC033-091-113-180345-
/O.NEW.KMOB.SV.W.0094.160318T0250Z-160318T0345Z/

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

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

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

* UNTIL 1045 PM CDT

* AT 949 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR FERRY PASS TO NEAR JOHNSONS BEACH...MOVING
  SOUTHEAST AT 35 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...FORT WALTON BEACH...GULF BREEZE...MARY ESTHER...PACE...
  GOULDING...BAGDAD...FERRY PASS...WRIGHT...BRENT...WEST PENSACOLA...
  WARRINGTON...OCEAN CITY...PENSACOLA INTERNATIONAL AIRPORT...MIDWAY...
  CINCO BAYOU...NAVARRE...PEA RIDGE...FORT WALTON BEACH--NAVARRE--WRIGHT
  AND NAVARRE BEACH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3033 8735 3066 8719 3050 8659 3040 8661
      3036 8702 3041 8666 3041 8682 3034 8718
      3036 8720 3045 8694 3044 8688 3047 8696
      3060 8702 3056 8701 3044 8709 3052 8710
      3058 8718 3043 8717
TIME...MOT...LOC 0249Z 312DEG 32KT 3053 8718 3028 8743 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
760 
WWUS54 KMOB 180314
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
1014 PM CDT THU MAR 17 2016

FLC033-180323-
/O.CAN.KMOB.SV.W.0094.000000T0000Z-160318T0345Z/
ESCAMBIA FL-
1014 PM CDT THU MAR 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ESCAMBIA COUNTY
IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 3039 8710 3040 8701 3045 8694 3044 8688
      3047 8696 3058 8698 3060 8702 3060 8703
      3057 8701 3044 8709 3052 8709 3062 8704
      3050 8659 3040 8661 3040 8670 3037 8711
TIME...MOT...LOC 0313Z 312DEG 32KT 3040 8702 3015 8727 

$$

FLC091-113-180345-
/O.CON.KMOB.SV.W.0094.000000T0000Z-160318T0345Z/
SANTA ROSA FL-OKALOOSA FL-
1014 PM CDT THU MAR 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHEASTERN SANTA ROSA AND SOUTHWESTERN OKALOOSA COUNTIES...

AT 1013 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MIDWAY TO 13 MILES SOUTHEAST OF JOHNSONS BEACH...MOVING
SOUTHEAST AT 35 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...FORT WALTON BEACH...MARY ESTHER...WRIGHT...OCEAN CITY...
BAGDAD...CINCO BAYOU...NAVARRE...TIGER POINT...WOODLAWN BEACH...HOLLEY...
ORIOLE BEACH AND FORT WALTON BEACH--NAVARRE--WRIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3039 8710 3040 8701 3045 8694 3044 8688
      3047 8696 3058 8698 3060 8702 3060 8703
      3057 8701 3044 8709 3052 8709 3062 8704
      3050 8659 3040 8661 3040 8670 3037 8711
TIME...MOT...LOC 0313Z 312DEG 32KT 3040 8702 3015 8727 

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, 10:01 PM CDTRiver Flood WarningMOBOkaloosa4 days
Mar 17, 10:15 PM CDTSevere Thunderstorm WarningMOBOkaloosa30 min
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.