Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 40, NWS Mobile, AL

February 15, 2016Okaloosa County, Santa Rosa County, Florida; Escambia County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 15, 2016, 5:09 PM CST for Okaloosa County, Santa Rosa County, Florida; Escambia County, Alabama. It was in force for 12 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
Feb 15, 2016, 5:09 PM CST (23:09 UTC)
Expired
Feb 15, 2016, 5:21 PM CST
In force
12 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Eglin Afb radar (KEVX), 97 km from the middle of the area, began a volume at 23:11 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
Feb 15, 12:02 PM CSTTornado WatchSPC9 hr

The nearest sounding before it

Birmingham, AL (KBMX), launched 12:00Z, 11.2 hours before the alert went out and 245 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, Birmingham, AL at 12:00Z on 2016-02-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Birmingham, AL at 12:00Z on 2016-02-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 485 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1152 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
485 m²/s²
0-3 km storm-relative helicity
523 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

467 
WUUS54 KMOB 152309
SVRMOB
ALC053-FLC091-113-160000-
/O.NEW.KMOB.SV.W.0040.160215T2309Z-160216T0000Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOBILE AL
509 PM CST MON FEB 15 2016

THE NATIONAL WEATHER SERVICE IN MOBILE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN ESCAMBIA COUNTY IN SOUTH CENTRAL ALABAMA...
  NORTHEASTERN SANTA ROSA COUNTY IN NORTHWESTERN FLORIDA...
  NORTHWESTERN OKALOOSA COUNTY IN NORTHWESTERN FLORIDA...

* UNTIL 600 PM CST

* AT 509 PM CST...A SEVERE THUNDERSTORM WAS LOCATED OVER WHITFIELD...OR
  12 MILES EAST OF CENTURY...MOVING NORTHEAST 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...
  JAY...WHITFIELD AND US 29 AND CR 43. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. TORNADOES CAN
DEVELOP QUICKLY FROM SEVERE THUNDERSTORMS. ALTHOUGH A TORNADO IS NOT
IMMEDIATELY LIKELY...IF ONE IS SPOTTED...ACT QUICKLY AND MOVE TO A
PLACE OF SAFETY INSIDE A STURDY STRUCTURE SUCH AS A BASEMENT OR SMALL
INTERIOR ROOM.

INTENSE THUNDERSTORM LINES CAN PRODUCE BRIEF TORNADOES AND WIDESPREAD
SIGNIFICANT WIND DAMAGE. ALTHOUGH A TORNADO IS NOT IMMEDIATELY
LIKELY...IT IS BEST TO MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
A BUILDING. THIS STORM MAY CAUSE SERIOUS INJURY AND SIGNIFICANT
PROPERTY DAMAGE.

&&

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTH CENTRAL
ALABAMA AND NORTHWESTERN FLORIDA.

LAT...LON 3080 8709 3095 8720 3119 8679 3107 8670
      3100 8670 3100 8669 3099 8669 3099 8664
      3096 8661
TIME...MOT...LOC 2309Z 239DEG 30KT 3091 8707 

HAIL...1.00IN
WIND...60MPH
 
$$
1 follow-up statement
961 
WWUS54 KMOB 152321 RRA
SVSMOB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOBILE AL
521 PM CST MON FEB 15 2016

ALC053-FLC091-113-152331-
/O.CAN.KMOB.SV.W.0040.000000T0000Z-160216T0000Z/
ESCAMBIA AL-SANTA ROSA FL-OKALOOSA FL-
521 PM CST MON FEB 15 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN ESCAMBIA...
NORTHEASTERN SANTA ROSA AND NORTHWESTERN OKALOOSA COUNTIES IS
CANCELLED...
                
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 HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CST FOR SOUTH CENTRAL
ALABAMA AND NORTHWESTERN FLORIDA.

LAT...LON 3080 8709 3095 8720 3119 8679 3107 8670
      3100 8670 3100 8669 3099 8669 3099 8664
      3096 8661
TIME...MOT...LOC 2320Z 239DEG 30KT 3096 8697 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 15, 5:00 AM CSTRip Current StatementMOBEscambia, Okaloosa, Santa Rosa19 hr
Feb 15, 11:30 AM CSTWind AdvisoryMOBEscambia, Okaloosa, Santa Rosa7 hr
Feb 15, 2:52 PM CSTSevere Thunderstorm WarningMOBEscambia38 min
Feb 15, 3:21 PM CSTTornado WarningMOBEscambia, Santa Rosa39 min
Feb 15, 4:04 PM CSTSevere Thunderstorm WarningMOBEscambia26 min
Feb 15, 4:28 PM CSTSevere Thunderstorm WarningMOBEscambia32 min
Feb 15, 5:20 PM CSTSpecial Weather StatementMOBEscambia40 min
Feb 15, 5:53 PM CSTSpecial Weather StatementMOBEscambia, Okaloosa, Santa Rosa52 min
Feb 15, 5:59 PM CSTSevere Thunderstorm WarningMOBEscambia, Okaloosa, Santa Rosa31 min
Feb 15, 11:15 AM CSTSpecial Weather StatementMOBWashington45 min
Feb 15, 11:46 AM CSTSevere Thunderstorm WarningMOBWashington44 min
Feb 15, 11:47 AM CSTSpecial Weather StatementMOBConecuh43 min
Feb 15, 12:06 PM CSTTornado WarningMOBClarke, Washington39 min
Feb 15, 12:10 PM CSTTornado Warning Tornado observedMOBButler, Conecuh, Monroe23 min
Feb 15, 12:14 PM CSTSpecial Marine WarningMOB91 min
Feb 15, 12:24 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe36 min
Feb 15, 12:32 PM CSTTornado WarningMOBClarke, Wilcox43 min
Feb 15, 12:36 PM CSTTornado WarningMOBClarke, Washington39 min
Feb 15, 12:41 PM CSTSevere Thunderstorm WarningMOBMobile34 min
Feb 15, 12:44 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh46 min
Feb 15, 12:47 PM CSTSevere Thunderstorm WarningMOBMobile, Washington28 min
Feb 15, 1:00 PM CSTSevere Thunderstorm WarningMOBMonroe30 min
Feb 15, 1:02 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia28 min
Feb 15, 1:10 PM CSTTornado WarningMOBWilcox35 min
Feb 15, 1:13 PM CSTTornado WarningMOBClarke, Washington47 min
Feb 15, 1:16 PM CSTSevere Thunderstorm WarningMOBWashington44 min
Feb 15, 1:18 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia27 min
Feb 15, 1:26 PM CSTSevere Thunderstorm WarningMOBMonroe, Wilcox49 min
Feb 15, 1:30 PM CSTSpecial Marine WarningMOB90 min
Feb 15, 1:33 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh42 min
Feb 15, 1:34 PM CSTSpecial Marine WarningMOB86 min
Feb 15, 1:45 PM CSTSpecial Marine WarningMOB90 min
Feb 15, 1:46 PM CSTTornado WarningMOBClarke, Washington44 min
Feb 15, 2:06 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Monroe39 min
Feb 15, 2:07 PM CSTSevere Thunderstorm WarningMOBButler, Conecuh38 min
Feb 15, 2:26 PM CSTSevere Thunderstorm WarningMOBClarke, Monroe, Wilcox49 min
Feb 15, 2:35 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw40 min
Feb 15, 2:41 PM CSTSpecial Marine WarningMOB34 min
Feb 15, 3:06 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw24 min
Feb 15, 3:15 PM CSTSpecial Marine WarningMOB90 min
Feb 15, 3:16 PM CSTSevere Thunderstorm WarningMOBConecuh, Monroe29 min
Feb 15, 3:19 PM CSTSevere Thunderstorm WarningMOBChoctaw, Clarke, Mobile, Monroe, Washington, Wilcox41 min
Feb 15, 3:23 PM CSTSevere Thunderstorm WarningMOBConecuh, Escambia52 min
Feb 15, 3:30 PM CSTSpecial Marine WarningMOB2 hr
Feb 15, 3:56 PM CSTTornado Warning Tornado observedConsiderable damage threatMOBConecuh, Escambia49 min
Feb 15, 3:59 PM CSTSevere Thunderstorm WarningMOBBaldwin, Clarke, Escambia, Mobile, Monroe, Washington31 min
Feb 15, 4:10 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw50 min
Feb 15, 4:31 PM CSTTornado WarningMOBButler, Conecuh, Covington, Crenshaw, Escambia44 min
Feb 15, 4:32 PM CSTSpecial Marine WarningMOB88 min
Feb 15, 4:54 PM CSTSevere Thunderstorm WarningMOBButler, Crenshaw36 min
Feb 15, 5:10 PM CSTTornado Warning Tornado observedMOBButler, Covington, Crenshaw50 min
Feb 15, 5:26 PM CSTSpecial Marine WarningMOB94 min
Feb 15, 5:37 PM CSTSevere Thunderstorm WarningMOBCovington, Crenshaw23 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.