Alert archive / Florida / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS Tallahassee, FL

January 22, 2016Leon County, Florida

NWS Tallahassee, FL issued this severe thunderstorm warning at Jan 22, 2016, 6:42 AM EST for Leon County, Florida. It was in force for 21 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
Jan 22, 2016, 6:42 AM EST (11:42 UTC)
Expired
Jan 22, 2016, 7:03 AM EST
In force
21 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Leon County, FL

The radar

The Tallahassee radar (KTLH), 27 km from the middle of the area, began a volume at 11:45 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 nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.7 hours before the alert went out and 25 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 2016-01-22Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Tallahassee Rgnl, FL at 00:00Z on 2016-01-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.1939587897117Sfc1 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
1670 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
366 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

163 
WUUS52 KTAE 221142
SVRTAE
FLC073-221215-
/O.NEW.KTAE.SV.W.0013.160122T1142Z-160122T1215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TALLAHASSEE FL
642 AM EST FRI JAN 22 2016

THE NATIONAL WEATHER SERVICE IN TALLAHASSEE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN LEON COUNTY IN THE BIG BEND OF FLORIDA...

* UNTIL 715 AM EST

* AT 642 AM EST...A SEVERE THUNDERSTORM WAS LOCATED NEAR
  TALLAHASSEE...MOVING NORTHEAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  TALLAHASSEE...KILLEARN ESTATES...LAKE IAMONIA...IAMONIA...FOREST
  MEADOWS PARK...MOCCASIN GAP...PISGAH CHURCH...LAKE JACKSON...
  BRADFORDVILLE...MACLAY STATE GARDENS...ORCHARD POND...KILLEARN
  LAKES AND MICCOSUKEE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3052 8404 3050 8404 3049 8436 3060 8435
      3060 8433 3062 8432 3064 8430 3067 8431
      3068 8430 3067 8401 3061 8401 3057 8400
      3055 8398 3055 8399 3052 8398
TIME...MOT...LOC 1142Z 242DEG 39KT 3056 8426 

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

42-DVD
1 follow-up statement
771 
WWUS52 KTAE 221203
SVSTAE

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TALLAHASSEE FL
703 AM EST FRI JAN 22 2016

FLC073-221213-
/O.CAN.KTAE.SV.W.0013.000000T0000Z-160122T1215Z/
LEON FL-
703 AM EST FRI JAN 22 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LEON COUNTY 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.

LAT...LON 3052 8404 3050 8404 3049 8436 3060 8435
      3060 8433 3062 8432 3064 8430 3067 8431
      3068 8430 3067 8401 3061 8401 3057 8400
      3055 8398 3055 8399 3052 8398
TIME...MOT...LOC 1201Z 242DEG 39KT 3067 8403 

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 21, 8:27 PM ESTSpecial Weather StatementTAEWalton48 min
Jan 21, 8:56 PM ESTSevere Thunderstorm WarningTAEHolmes, Walton24 min
Jan 22, 1:39 AM ESTSpecial Marine WarningTAE2 hr
Jan 22, 1:57 AM ESTSevere Thunderstorm WarningTAEBay, Holmes, Walton, Washington93 min
Jan 22, 2:45 AM ESTTornado WarningTAEHolmes, Walton30 min
Jan 22, 2:48 AM ESTTornado Warning Tornado observedTAEHolmes, Walton27 min
Jan 22, 3:31 AM ESTSevere Thunderstorm WarningTAEBay, Walton, Washington59 min
Jan 22, 3:43 AM ESTTornado WarningTAEBay47 min
Jan 22, 3:53 AM ESTSpecial Marine WarningTAE2 hr
Jan 22, 4:06 AM ESTRip Current StatementTAEBay, Franklin, Gulf, Walton21 hr
Jan 22, 4:12 AM ESTSevere Thunderstorm WarningTAEHolmes, Jackson, Washington48 min
Jan 22, 4:14 AM ESTFlash Flood WarningTAEBay91 min
Jan 22, 4:26 AM ESTSevere Thunderstorm WarningTAEBay, Calhoun, Gulf, Liberty64 min
Jan 22, 4:41 AM ESTTornado WarningTAECalhoun49 min
Jan 22, 4:53 AM ESTTornado WarningTAEBay, Gulf52 min
Jan 22, 5:17 AM ESTSevere Thunderstorm WarningTAECalhoun, Franklin, Gadsden, Gulf, Jackson, Leon and 2 more73 min
Jan 22, 5:54 AM ESTSpecial Marine WarningTAE2 hr
Jan 22, 6:12 AM ESTTornado WarningTAEFranklin33 min
Jan 22, 7:23 AM ESTSpecial Marine WarningTAE52 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.