Alert archive / Florida / Tornado Warnings in 2018

Tornado Warning 33, NWS Tallahassee, FL

December 1, 2018Gadsden County, Florida; Decatur County, Georgia

NWS Tallahassee, FL issued this tornado warning at Dec 1, 2018, 5:01 PM EST for Gadsden County, Florida; Decatur County, Georgia. 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
Dec 1, 2018, 5:01 PM EST (22:01 UTC)
Expired
Dec 1, 2018, 5:13 PM EST
In force
12 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Gadsden County, FL, Decatur County, GA

The radar

The Tallahassee radar (KTLH), 39 km from the middle of the area, began a volume at 22:05 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
Dec 1, 12:16 PM ESTTornado WatchSPC7 hr

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 12:00Z, 10.0 hours before the alert went out and 41 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 12:00Z on 2018-12-01Temperature 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, Tallahassee Rgnl, FL at 12:00Z on 2018-12-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 259 square meters per square second.19395878Sfc1 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
976 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
259 m²/s²
0-3 km storm-relative helicity
531 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

676 
WFUS52 KTAE 012201
TORTAE
FLC039-GAC087-012245-
/O.NEW.KTAE.TO.W.0033.181201T2201Z-181201T2245Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
501 PM EST SAT DEC 1 2018

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  Northwestern Gadsden County in Big Bend of Florida...
  Southeastern Decatur County in southwestern Georgia...

* Until 545 PM EST.
    
* At 501 PM EST, a severe thunderstorm capable of producing a tornado
  was located near Greensboro, or 9 miles northwest of Quincy, moving
  northeast at 55 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Quincy around 505 PM EST.

Other locations impacted by this tornadic thunderstorm include
Douglas City, Mount Pleasant, Rosedale, Jamieson, Faceville,
Laingkat, Attapulgus, Hardaway, Fowlstown and Gretna.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3069 8438 3053 8474 3064 8485 3094 8438
TIME...MOT...LOC 2201Z 235DEG 49KT 3063 8473 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

42-DVD
1 follow-up statement
531 
WWUS52 KTAE 012213
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
513 PM EST SAT DEC 1 2018

FLC039-GAC087-012222-
/O.CAN.KTAE.TO.W.0033.000000T0000Z-181201T2245Z/
Gadsden FL-Decatur GA-
513 PM EST SAT DEC 1 2018

...THE TORNADO WARNING FOR NORTHWESTERN GADSDEN AND SOUTHEASTERN
DECATUR COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning has been cancelled.  However gusty winds are
still possible with this thunderstorm.

A Tornado Watch remains in effect until 700 PM EST for Big Bend of
Florida...and southwestern Georgia.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Tallahassee.

LAT...LON 3069 8438 3053 8474 3064 8485 3094 8438
TIME...MOT...LOC 2211Z 235DEG 49KT 3072 8458 

$$

42-DVD

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 1, 5:06 AM ESTSpecial Marine WarningTAE54 min
Dec 1, 5:58 AM ESTSpecial Marine WarningTAE62 min
Dec 1, 6:58 AM ESTSpecial Marine WarningTAE32 min
Dec 1, 7:52 AM ESTSpecial Marine WarningTAE68 min
Dec 1, 8:27 AM ESTSpecial Marine WarningTAE63 min
Dec 1, 8:54 AM ESTSpecial Weather StatementTAEWalton36 min
Dec 1, 9:03 AM ESTSpecial Marine WarningTAE57 min
Dec 1, 9:41 AM ESTSpecial Marine WarningTAE30 min
Dec 1, 9:50 AM ESTSpecial Marine WarningTAE55 min
Dec 1, 10:10 AM ESTSpecial Marine WarningTAE28 min
Dec 1, 10:36 AM ESTSpecial Marine WarningTAE32 min
Dec 1, 10:38 AM ESTSpecial Marine WarningTAE37 min
Dec 1, 11:07 AM ESTSpecial Marine WarningTAE23 min
Dec 1, 11:22 AM ESTSpecial Marine WarningTAE83 min
Dec 1, 12:11 PM ESTSpecial Weather StatementTAEJefferson34 min
Dec 1, 12:38 PM ESTSpecial Marine WarningTAE2 hr
Dec 1, 12:38 PM ESTSpecial Marine WarningTAE2 hr
Dec 1, 1:39 PM ESTSpecial Weather StatementTAEBay66 min
Dec 1, 2:01 PM ESTSpecial Marine WarningTAE59 min
Dec 1, 2:24 PM ESTSevere Thunderstorm WarningTAEBay, Walton, Washington66 min
Dec 1, 2:41 PM ESTSpecial Marine WarningTAE2 hr
Dec 1, 2:43 PM ESTTornado WarningTAEBay, Washington47 min
Dec 1, 3:03 PM ESTSpecial Marine WarningTAE61 min
Dec 1, 3:19 PM ESTSpecial Weather StatementTAELiberty41 min
Dec 1, 3:36 PM ESTSpecial Weather StatementTAECalhoun39 min
Dec 1, 3:40 PM ESTSpecial Marine WarningTAE65 min
Dec 1, 3:46 PM ESTSpecial Weather StatementTAEWalton44 min
Dec 1, 4:09 PM ESTAreal Flood AdvisoryTAEBay, Calhoun, Jackson, Washington2 hr
Dec 1, 4:36 PM ESTSpecial Marine WarningTAE84 min
Dec 1, 5:43 PM ESTSpecial Weather StatementTAEHolmes, Walton47 min
Dec 1, 5:46 PM ESTAreal Flood AdvisoryTAEGadsden, Liberty119 min
Dec 1, 6:16 PM ESTTornado WarningTAEWalton, Washington10 min
Dec 1, 4:38 PM ESTSpecial Weather StatementTAEDecatur52 min

Nearby

Tornado Warnings in Florida, 2018Tornado Warnings in Georgia, 2018Every tornado warning in 2018Tornadoes in 2018

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.