Alert archive / Florida / Tornado Warnings in 2018

Tornado Warning 9, NWS Tallahassee, FL

April 7, 2018Holmes County, Walton County, Washington County, Florida

NWS Tallahassee, FL issued this tornado warning at Apr 7, 2018, 6:59 AM CDT for Holmes County, Walton County, Washington County, Florida. It was in force for 31 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
Apr 7, 2018, 6:59 AM CDT (11:59 UTC)
Expired
Apr 7, 2018, 7:30 AM CDT
In force
31 min
Issued by
NWS Tallahassee, FL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Holmes County, FL, Walton County, FL, Washington County, FL

The nearest sounding before it

Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 12.0 hours before the alert went out and 153 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 2018-04-07Temperature 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 2018-04-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1629 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

264 
WFUS52 KTAE 071159
TORTAE
FLC059-131-133-071230-
/O.NEW.KTAE.TO.W.0009.180407T1159Z-180407T1230Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
659 AM CDT SAT APR 7 2018

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  East central Walton County in the Panhandle of Florida...
  Southwestern Holmes County in the Panhandle of Florida...
  Northwestern Washington County in the Panhandle of Florida...

* Until 730 AM CDT
    
* At 659 AM CDT, a severe thunderstorm capable of producing a tornado
  was located 10 miles east of De Funiak Springs, moving east at 30
  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...
  Vernon and Bonifay around 730 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Hinsons Crossroads, Caryville, Five Points, Douglass Crossroad,
Westville, Whitehead Crossroads, Hulaw and Ponce De Leon.

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 3066 8602 3077 8602 3080 8570 3071 8568
      3063 8570
TIME...MOT...LOC 1159Z 269DEG 27KT 3071 8596 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

30-PULLIN
2 follow-up statements
708 
WWUS52 KTAE 071220
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
720 AM CDT SAT APR 7 2018

FLC059-131-071229-
/O.CAN.KTAE.TO.W.0009.000000T0000Z-180407T1230Z/
Walton FL-Holmes FL-
720 AM CDT SAT APR 7 2018

...THE TORNADO WARNING FOR EAST CENTRAL WALTON AND SOUTHWESTERN
HOLMES COUNTIES IS CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 3066 8589 3066 8587 3068 8587 3072 8583
      3077 8583 3079 8582 3079 8575 3078 8575
      3077 8573 3075 8574 3075 8569 3071 8568
      3063 8570 3065 8590
TIME...MOT...LOC 1219Z 269DEG 27KT 3071 8578 

$$

FLC133-071230-
/O.CON.KTAE.TO.W.0009.000000T0000Z-180407T1230Z/
Washington FL-
720 AM CDT SAT APR 7 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 730 AM CDT FOR
NORTHWESTERN WASHINGTON COUNTY...
    
At 719 AM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles southwest of Bonifay, moving east at 30 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...
  Vernon around 730 AM CDT. 

Other locations impacted by this tornadic thunderstorm include
Hinsons Crossroads, Caryville, Five Points, Whitehead Crossroads and
Westville.

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 3066 8589 3066 8587 3068 8587 3072 8583
      3077 8583 3079 8582 3079 8575 3078 8575
      3077 8573 3075 8574 3075 8569 3071 8568
      3063 8570 3065 8590
TIME...MOT...LOC 1219Z 269DEG 27KT 3071 8578 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

30-PULLIN
825 
WWUS52 KTAE 071228
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
728 AM CDT SAT APR 7 2018

FLC133-071236-
/O.EXP.KTAE.TO.W.0009.000000T0000Z-180407T1230Z/
Washington FL-
728 AM CDT SAT APR 7 2018

...THE TORNADO WARNING FOR NORTHWESTERN WASHINGTON COUNTY WILL EXPIRE
AT 730 AM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning will be allowed to expire.

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

LAT...LON 3066 8589 3066 8587 3068 8587 3072 8583
      3077 8583 3079 8582 3079 8575 3078 8575
      3077 8573 3075 8574 3075 8569 3071 8568
      3063 8570 3065 8590
TIME...MOT...LOC 1226Z 269DEG 27KT 3071 8572 

$$

30-PULLIN

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 7, 12:08 AM CDTRip Current StatementTAEBay, Gulf, Walton26 hr
Apr 7, 8:31 AM CDTSpecial Weather StatementTAEJackson44 min
Apr 7, 10:19 AM CDTTornado WarningTAEJefferson, Leon, Wakulla10 min
Apr 7, 10:47 AM CDTSpecial Marine WarningTAE88 min
Apr 7, 11:52 AM CDTSpecial Weather StatementTAEMadison38 min
Apr 7, 12:04 PM CDTSpecial Marine WarningTAE41 min
Apr 7, 12:06 PM CDTSpecial Marine WarningTAE84 min
Apr 7, 12:47 PM CDTSpecial Weather StatementTAEMadison43 min
Apr 7, 12:55 PM CDTSpecial Marine WarningTAE2 hr
Apr 7, 1:04 PM CDTSpecial Weather StatementTAELafayette, Taylor56 min
Apr 7, 1:57 PM CDTSpecial Weather StatementTAEDixie, Lafayette, Taylor93 min
Apr 7, 2:35 PM CDTSevere Thunderstorm WarningTAEDixie, Lafayette, Taylor55 min

Nearby

Tornado Warnings in Florida, 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.