Alert archive / Florida / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 85, NWS Mobile, AL

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

NWS Mobile, AL issued this severe thunderstorm warning at Feb 7, 2017, 4:04 PM CST for Baldwin County, Alabama; Escambia County, Santa Rosa County, Florida. It was in force for 41 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 7, 2017, 4:04 PM CST (22:04 UTC)
Expired: Feb 7, 2017, 4:45 PM CST
In force: 41 min
Issued by: NWS Mobile, AL
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

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

The radar

The Eglin Afb radar (KEVX), 100 km from the middle of the area, began a volume at 22:08 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.

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

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.1 hours before the alert went out and 254 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: 10 J/kg
Mixed-layer CIN: -140 J/kg
Mixed-layer LCL: 1140 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 84 m²/s²
0-3 km storm-relative helicity: 147 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

288 
WUUS54 KMOB 072204
SVRMOB
ALC003-FLC033-113-072245-
/O.NEW.KMOB.SV.W.0085.170207T2204Z-170207T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mobile AL
404 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...
  Southeastern Santa Rosa County in northwestern Florida...
  Southeastern Escambia County in northwestern Florida...

* Until 445 PM CST

* At 404 PM CST, a severe thunderstorm was located near Perdido
  Beach, or 9 miles southwest of Warrington, moving east at 60 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* Locations impacted include...
  Pensacola, West Pensacola, Warrington, Gulf Breeze, Goulding,
  Lillian, Myrtle Grove, Oriole Beach, Navarre, Perdido Beach,
  Navarre Beach and Pensacola Beach.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 3041 8758 3051 8680 3041 8680 3040 8679
      3041 8677 3040 8676 3041 8675 3040 8674
      3039 8680 3039 8674 3033 8672 3022 8750
TIME...MOT...LOC 2204Z 259DEG 54KT 3033 8742 

HAIL...<.75IN
WIND...60MPH
 
$$

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	Baldwin, Mobile	42 hr
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, 1:27 PM CST	Special Weather Statement	MOB	Baldwin	48 min
Feb 7, 1:44 PM CST	Special Marine Warning	MOB		46 min
Feb 7, 1:46 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	44 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, 2:26 PM CST	Special Weather Statement	MOB	Covington, Escambia	49 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, 2:57 PM CST	Areal Flood Advisory	MOB	Baldwin, Mobile	3 hr
Feb 7, 2:58 PM CST	Severe Thunderstorm Warning	MOB	Baldwin, Mobile	62 min
Feb 7, 3:01 PM CST	Severe Thunderstorm Warning	MOB	Baldwin	59 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
Feb 7, 1:09 PM CST	Special Weather Statement	MOB	Okaloosa	51 min
Feb 7, 5:44 PM CST	Special Weather Statement	MOB	Escambia	46 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.