Alert archive / Alabama / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 17, NWS Tallahassee, FL

February 15, 2016Coffee County, Geneva County, Alabama; Holmes County, Walton County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Feb 15, 2016, 6:19 PM CST for Coffee County, Geneva County, Alabama; Holmes County, Walton County, Florida. It was in force for 41 min. 2 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 15, 2016, 6:19 PM CST (00:19 UTC)
Expired
Feb 15, 2016, 7:00 PM CST
In force
41 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Coffee County, AL, Geneva County, AL, Holmes County, FL, Walton County, FL

The radar

The Eglin Afb radar (KEVX), 40 km from the middle of the area, began a volume at 00:21 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
Feb 15, 6:50 PM CSTTSTM WND DMG2 Sse Glendale, FLTREE DOWN ON COUNTY ROAD 185 NEAR BARTLETT ROAD
Feb 15, 6:50 PM CSTTSTM WND DMGDarlington, FLTREES DOWN ON OTTER POND ROAD NEAR HIGHWAY 2

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
Feb 15, 12:02 PM CSTTornado WatchSPC9 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 0.3 hours before the alert went out and 191 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, Tallahassee Rgnl, FL at 00:00Z on 2016-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 42 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, Tallahassee Rgnl, FL at 00:00Z on 2016-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 366 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
42 J/kg
Mixed-layer CIN
-128 J/kg
Mixed-layer LCL
940 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
366 m²/s²
0-3 km storm-relative helicity
383 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

330 
WUUS52 KTAE 160019
SVRTAE
ALC031-061-FLC059-131-160100-
/O.NEW.KTAE.SV.W.0017.160216T0019Z-160216T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
619 PM CST MON FEB 15 2016

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN COFFEE COUNTY IN SOUTHEASTERN ALABAMA...
  WESTERN GENEVA COUNTY IN SOUTHEASTERN ALABAMA...
  NORTHWESTERN HOLMES COUNTY IN THE PANHANDLE OF FLORIDA...
  NORTHWESTERN WALTON COUNTY IN THE PANHANDLE OF FLORIDA...

* UNTIL 700 PM CST

* AT 618 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM 9 MILES SOUTHWEST OF NEW BROCKTON TO NEAR FORT
  WALTON BEACH--NAVARRE--WRIGHT...MOVING EAST AT 60 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  GENEVA...DE FUNIAK SPRINGS...ENTERPRISE...SAMSON...EGLIN AIR FORCE
  BASE...UNION...LIBERTY...PAXTON...KINSTON...COFFEE SPRINGS...
  SOMERSET...PLEASANT HILL...BATTENS CROSSROADS...CENTRAL CITY...
  SELLERSVILLE...GASKIN...OAKWOOD HILLS...PLEASANT RIDGE...INO AND
  COOL SPRINGS.

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 900 PM CST FOR SOUTHEASTERN
ALABAMA AND CENTRAL FLORIDA.

LAT...LON 3096 8639 3099 8636 3100 8619 3121 8619
      3127 8615 3128 8579 3111 8580 3045 8632
      3039 8633 3046 8638 3039 8638 3038 8633
      3038 8639
TIME...MOT...LOC 0018Z 251DEG 51KT 3128 8603 3043 8673 

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

15-HARRIGAN
1 follow-up statement
242 
WWUS52 KTAE 160050
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
650 PM CST MON FEB 15 2016

ALC031-061-FLC059-131-160100-
/O.CON.KTAE.SV.W.0017.000000T0000Z-160216T0100Z/
COFFEE AL-GENEVA AL-HOLMES FL-WALTON FL-
650 PM CST MON FEB 15 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CST
FOR SOUTHEASTERN COFFEE...WESTERN GENEVA...NORTHWESTERN HOLMES AND
NORTHWESTERN WALTON COUNTIES...

AT 650 PM CST...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES NORTHEAST OF NEWTON TO NEAR EGLIN AIR FORCE
BASE...MOVING EAST AT 60 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
GENEVA...DE FUNIAK SPRINGS...ENTERPRISE...SAMSON...EGLIN AIR FORCE
BASE...UNION...LIBERTY...COFFEE SPRINGS...SOMERSET...ROYALS
CROSSROADS...VILLA TASSO...PLEASANT HILL...PINEY GROVE...LYTLE...
BATTENS CROSSROADS...CENTRAL CITY...SELLERSVILLE...MARL...GASKIN AND
OAKWOOD HILLS.

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 900 PM CST FOR SOUTHEASTERN
ALABAMA AND CENTRAL FLORIDA.

LAT...LON 3099 8616 3127 8595 3128 8579 3111 8580
      3045 8632 3039 8633 3046 8638 3039 8638
      3038 8633 3038 8639 3068 8639
TIME...MOT...LOC 0050Z 251DEG 51KT 3142 8553 3058 8624 

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

15-HARRIGAN

The office that day

Everything else NWS Tallahassee, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 15, 6:22 PM CSTSevere Thunderstorm WarningTAECoffee, Dale38 min
Feb 15, 6:45 PM CSTSevere Thunderstorm WarningTAECoffee, Dale, Geneva, Henry, Houston60 min
Feb 15, 7:36 PM CSTSevere Thunderstorm WarningTAEHenry, Houston54 min
Feb 15, 7:09 PM CSTSpecial Marine WarningTAE96 min
Feb 15, 7:11 PM CSTSpecial Marine WarningTAE94 min
Feb 15, 7:28 PM CSTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Jackson, Washington62 min
Feb 15, 8:18 PM CSTSevere Thunderstorm WarningTAEGadsden, Jackson42 min
Feb 15, 8:36 PM CSTSpecial Marine WarningTAE54 min
Feb 15, 9:13 PM CSTSevere Thunderstorm WarningTAEFranklin, Gulf, Liberty, Wakulla47 min
Feb 15, 9:23 PM CSTSpecial Marine WarningTAE97 min
Feb 15, 9:45 PM CSTSevere Thunderstorm WarningTAEFranklin, Gadsden, Jefferson, Leon, Liberty, Taylor and 1 more45 min
Feb 15, 9:54 PM CSTSpecial Marine WarningTAE96 min
Feb 15, 10:23 PM CSTSevere Thunderstorm WarningTAEJefferson, Leon, Madison, Taylor, Wakulla32 min
Feb 15, 10:52 PM CSTSpecial Marine WarningTAE53 min
Feb 16, 2:24 AM CSTRip Current StatementTAEBay, Franklin, Gulf, Walton16 hr

Nearby

Severe Thunderstorm Warnings in Alabama, 2016Severe 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.