Alert archive / Florida / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 83, NWS Mobile, AL

February 7, 2017Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Alabama

NWS Mobile, AL issued this severe thunderstorm warning at Feb 7, 2017, 3:01 PM CST for Escambia County, Okaloosa County, Santa Rosa County, Florida; Baldwin County, Alabama. It was in force for 59 min. 13 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: Feb 7, 2017, 3:01 PM CST (21:01 UTC)
Expired: Feb 7, 2017, 4:00 PM CST
In force: 59 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Tornado: Possible
Hail: 1.25 in
Wind: 70.0 mph

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

The radar

The Eglin Afb radar (KEVX), 113 km from the middle of the area, began a volume at 21:02 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

Time	Report	Where	Remark
Feb 7, 3:20 PM CST	TSTM WND DMG	4 W Navarre, FL	TREE ON HOME. SEVERAL TREES REPORTED DOWN IN ROAD. FENCE DAMAGE REPORTED.
Feb 7, 3:24 PM CST	TSTM WND DMG	Crestview, FL	TREE DOWN ON HOUSE IN CRESTVIEW, FL. TIMING ESTIMATED BY RADAR.
Feb 7, 3:34 PM CST	TSTM WND DMG	Niceville, FL	A SEVERE THUNDERSTORM MOVED ACROSS NICEVILLE AND PRODUCED A CORRIDOR OF STRAIGHT LINE WIND DAMAGE FROM NEAR THE INTERSECTION OF HIGHWAY 85 AND LEWIS STREET TO NEAR MILE MARKER 12 ON HIGHWAY 293. NUMEROUS TREES AND POWER LINES WERE DOWNED ALONG THE PATH WITH SO
Feb 7, 3:35 PM CST	TSTM WND DMG	Destin, FL	* 1 INJ * SEVERAL BUILDINGS DAMAGED IN AND AROUND DESTIN. MULTIPLE REPORTS OF SIGNIFICANT ROOF DAMAGE OR LOSS OF THE ROOF. EMS VEHICLE WAS DAMAGED ON OKALOOSA ISLAND WITH 1 INJURY. NUMEROUS TREES AND POWER LINES DOWNED. MOST OF THE DAMAGE LIKELY FROM STRAI
Feb 7, 3:35 PM CST	TSTM WND DMG	Destin, FL	* 1 INJ * A SEVERE THUNDERSTORM MOVED ACROSS OKALOOSA ISLAND AND DESTIN WHICH PRODUCED AREAS OF STRAIGHT LINE WIND DAMAGE ALONG AND NEAR U.S. HIGHWAY 98. SEVERAL BUILDINGS WERE DAMAGED IN AND AROUND DESTIN WITH SIGNIFICANT ROOF DAMAGE TO A FEW CONDOS AND B
Feb 7, 3:35 PM CST	TSTM WND GST 58	2 N Eglin Afb, FL	KVPS ASOS RECORDED WIND GUST OF 58MPH
Feb 7, 3:35 PM CST	TSTM WND GST 63	8 Sse Crestview, FL	KEGI ASOS MEASURED WIND GUSTS OF 63 MPH.
Feb 7, 3:36 PM CST	TSTM WND DMG	6 Ne Eglin Afb, FL	STRUCTURAL DAMAGE TO BOTH EDGE ELEMENTARY SCHOOL AND AN OKALOOSA COUNTY SCHOOL DISTRICT BUILDING.
Feb 7, 3:36 PM CST	TSTM WND DMG	Niceville, FL	MULTIPLE DOWN TREES AND POWER LINES. SOME LINES FELL ONTO VEHICLES.
Feb 7, 3:37 PM CST	TSTM WND GST 55	4 Ene Crestview, FL	WEATHERFLOW STATION IN CRESTVIEW RECORED A WIND GUST OF 55 MPH.
Feb 7, 3:39 PM CST	TSTM WND GST 64	5 Ese Destin, FL	WEATHERFLOW SITE EAST OF DESTIN REPORTED A WIND GUST OF 64 MPH.
Feb 7, 3:55 PM CST	TSTM WND GST 51	3 Nne Gulf Shores, AL	KJKA ASOS MEASURED 51 KNOT GUST
Feb 7, 3:55 PM CST	TSTM WND GST 59	3 Nne Gulf Shores, AL	KJKA ASOS MEASURED 59 MPH WIND GUST

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.

Issued	Product	Office	Lasted
Feb 7, 11:50 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 12:00Z, 9.0 hours before the alert went out and 251 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 889 J/kg
Mixed-layer CIN: -24 J/kg
Mixed-layer LCL: 562 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 194 m²/s²
0-3 km storm-relative helicity: 190 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.4

Open this sounding in Storm Lab

The text

As transmitted.

407 
WUUS54 KMOB 072101
SVRMOB
ALC003-FLC033-091-113-072200-
/O.NEW.KMOB.SV.W.0083.170207T2101Z-170207T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
301 PM CST TUE FEB 7 2017

The National Weather Service in Mobile has issued a

* Severe Thunderstorm Warning for...
  Southeastern Baldwin County in southwestern Alabama...
  Okaloosa County in northwestern Florida...
  Southern Santa Rosa County in northwestern Florida...
  Southeastern Escambia County in northwestern Florida...

* Until 400 PM CST

* At 301 PM CST, severe thunderstorms were located along a line
  extending from Roeville to near Warrington to near Orange Beach,
  moving east at 60 mph.

  HAZARD...70 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect considerable 
           tree damage. Wind damage is also likely to mobile homes, 
           roofs, and outbuildings. 

* Locations impacted include...
  Pensacola, Ferry Pass, Brent, West Pensacola, Wright, Fort Walton
  Beach, Ensley, Warrington, Crestview, Niceville, Destin, Gulf
  Shores, Eglin AFB, Foley, Pace, Milton, Valparaiso, Gulf Breeze,
  Orange Beach and Goulding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 600 PM CST for southwestern
Alabama...and northwestern Florida.

LAT...LON 3022 8781 3037 8783 3045 8743 3071 8698
      3083 8639 3038 8640 3038 8650 3036 8650
      3035 8675 3022 8761
TIME...MOT...LOC 2101Z 269DEG 52KT 3067 8697 3036 8733 3025 8762 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...70MPH
 
$$

Butts

1 follow-up statement

010 
WWUS54 KMOB 072135
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
335 PM CST TUE FEB 7 2017

ALC003-FLC033-091-113-072200-
/O.CON.KMOB.SV.W.0083.000000T0000Z-170207T2200Z/
Baldwin AL-Okaloosa FL-Santa Rosa FL-Escambia FL-
335 PM CST TUE FEB 7 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CST
FOR SOUTHEASTERN BALDWIN...SOUTHERN OKALOOSA...SOUTHEASTERN SANTA
ROSA AND SOUTHEASTERN ESCAMBIA COUNTIES...

At 334 PM CST, severe thunderstorms were located along a line
extending from 9 miles northwest of Eglin Air Force Base to near
Navarre Beach to Gulf Shores, moving east at 65 mph.

HAZARD...70 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect considerable 
         tree damage. Wind damage is also likely to mobile homes, 
         roofs, and outbuildings. 

Locations impacted include...
Pensacola, Brent, West Pensacola, Wright, Fort Walton Beach,
Warrington, Niceville, Destin, Gulf Shores, Eglin AFB, Foley,
Valparaiso, Gulf Breeze, Orange Beach, Goulding, Mary Esther, Ocean
City, Lake Lorraine, Lillian and Myrtle Grove.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain alert for a possible tornado! Tornadoes can develop quickly
from severe thunderstorms. If you spot a tornado go at once into the
basement or small central room in a sturdy structure.

For your protection move to an interior room on the lowest floor of a
building.

Additional statements will be issued as conditions warrant.

&&

A tornado watch remains in effect until 600 PM CST for southwestern
Alabama...and northwestern Florida.

LAT...LON 3022 8781 3037 8783 3045 8743 3052 8686
      3071 8639 3038 8640 3038 8650 3036 8650
      3035 8675 3022 8761
TIME...MOT...LOC 2134Z 269DEG 56KT 3067 8641 3036 8677 3024 8766 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...70MPH
 
$$

Butts

The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 7, 5:58 AM CST	Rip Current Statement	MOB	Escambia, Okaloosa, Santa Rosa	42 hr
Feb 7, 1:09 PM CST	Special Weather Statement	MOB	Okaloosa	51 min
Feb 7, 1:27 PM CST	Special Weather Statement	MOB	Escambia	48 min
Feb 7, 1:46 PM CST	Severe Thunderstorm Warning	MOB	Escambia	44 min
Feb 7, 2:26 PM CST	Special Weather Statement	MOB	Escambia, Santa Rosa	49 min
Feb 7, 2:57 PM CST	Areal Flood Advisory	MOB	Escambia	3 hr
Feb 7, 4:04 PM CST	Severe Thunderstorm Warning	MOB	Escambia, Santa Rosa	41 min
Feb 7, 5:44 PM CST	Special Weather Statement	MOB	Escambia	46 min
Feb 7, 10:16 AM CST	Severe Thunderstorm Warning	MOB	Choctaw, Washington	59 min
Feb 7, 10:29 AM CST	Special Weather Statement	MOB	Clarke	46 min
Feb 7, 10:47 AM CST	Special Weather Statement	MOB	Mobile	28 min
Feb 7, 10:57 AM CST	Special Marine Warning	MOB		33 min
Feb 7, 11:17 AM CST	Special Weather Statement	MOB	Clarke, Washington	43 min
Feb 7, 11:33 AM CST	Severe Thunderstorm Warning	MOB	Clarke, Monroe, Washington, Wilcox	42 min
Feb 7, 12:06 PM CST	Special Weather Statement	MOB	Escambia	39 min
Feb 7, 12:12 PM CST	Special Weather Statement	MOB	Conecuh, Monroe	33 min
Feb 7, 12:34 PM CST	Special Marine Warning	MOB		41 min
Feb 7, 12:42 PM CST	Special Marine Warning	MOB		63 min
Feb 7, 12:49 PM CST	Special Weather Statement	MOB	Butler, Crenshaw	41 min
Feb 7, 1:00 PM CST	Special Weather Statement	MOB	Baldwin, Mobile	30 min
Feb 7, 1:06 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	39 min
Feb 7, 1:11 PM CST	Severe Thunderstorm Warning	MOB	Mobile	49 min
Feb 7, 1:21 PM CST	Areal Flood Advisory	MOB	Mobile	3 hr
Feb 7, 1:44 PM CST	Special Marine Warning	MOB		46 min
Feb 7, 1:49 PM CST	Special Marine Warning	MOB		56 min
Feb 7, 1:52 PM CST	Special Weather Statement	MOB	Conecuh	38 min
Feb 7, 2:02 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	58 min
Feb 7, 2:20 PM CST	Special Weather Statement	MOB	Butler, Conecuh, Crenshaw	40 min
Feb 7, 2:30 PM CST	Special Marine Warning	MOB		45 min
Feb 7, 2:32 PM CST	Special Marine Warning	MOB		58 min
Feb 7, 2:33 PM CST	Special Marine Warning	MOB		42 min
Feb 7, 2:45 PM CST	Special Marine Warning	MOB		60 min
Feb 7, 2:49 PM CST	Small Craft Advisory	MOB		9 hr
Feb 7, 2:58 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	62 min
Feb 7, 3:10 PM CST	Special Weather Statement	MOB	Covington	35 min
Feb 7, 3:14 PM CST	Special Marine Warning	MOB		61 min
Feb 7, 3:27 PM CST	Special Marine Warning	MOB		63 min
Feb 7, 3:40 PM CST	Special Marine Warning	MOB		65 min
Feb 7, 3:59 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	46 min
Feb 7, 4:14 PM CST	Special Marine Warning	MOB		61 min
Feb 7, 4:25 PM CST	Special Marine Warning	MOB		65 min
Feb 7, 4:44 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	35 min
Feb 7, 4:48 PM CST	Special Marine Warning	MOB		27 min
Feb 7, 4:49 PM CST	Special Weather Statement	MOB	Wilcox	41 min
Feb 7, 5:02 PM CST	Special Weather Statement	MOB	Conecuh	43 min
Feb 7, 5:12 PM CST	Special Marine Warning	MOB		63 min

Nearby

Severe Thunderstorm Warnings in Florida, 2017 Severe Thunderstorm Warnings in Alabama, 2017 Every severe thunderstorm warning in 2017

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.