Alert archive / Florida / Tornado Warnings in 2019

Tornado Warning 63, NWS Tallahassee, FL

October 30, 2019Walton County, Florida

NWS Tallahassee, FL issued this tornado warning at Oct 30, 2019, 6:03 PM CDT for Walton County, Florida. It was in force for 27 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: Oct 30, 2019, 6:03 PM CDT (23:03 UTC)
Expired: Oct 30, 2019, 6:30 PM CDT
In force: 27 min
Issued by: NWS Tallahassee, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

County Walton County, FL

The radar

The Eglin Afb radar (KEVX), 47 km from the middle of the area, began a volume at 23:07 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 12:00Z, 11.1 hours before the alert went out and 192 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: 419 J/kg
Mixed-layer CIN: -34 J/kg
Mixed-layer LCL: 585 m above ground
0-6 km bulk shear: 31 kt
0-1 km storm-relative helicity: 123 m²/s²
0-3 km storm-relative helicity: 171 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 1.5

Open this sounding in Storm Lab

The text

As transmitted.

704 
WFUS52 KTAE 302303
TORTAE
FLC131-302330-
/O.NEW.KTAE.TO.W.0063.191030T2303Z-191030T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
603 PM CDT Wed Oct 30 2019

The National Weather Service in Tallahassee has issued a

* Tornado Warning for...
  North central Walton County in the Panhandle of Florida...

* Until 630 PM CDT.
    
* At 603 PM CDT, a severe thunderstorm capable of producing a tornado
  was located 9 miles southeast of Florala, moving northeast at 20
  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 tornadic thunderstorm will remain over mainly rural areas of
  north central Walton County, including the following locations...
  Gordon and Caney Creek.

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 3086 8625 3089 8629 3098 8619 3092 8611
TIME...MOT...LOC 2303Z 240DEG 16KT 3089 8624 

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

$$

55-SCHOLL

2 follow-up statements

493 
WWUS52 KTAE 302317
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
617 PM CDT Wed Oct 30 2019

FLC131-302330-
/O.CON.KTAE.TO.W.0063.000000T0000Z-191030T2330Z/
Walton FL-
617 PM CDT Wed Oct 30 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR NORTH
CENTRAL WALTON COUNTY...
    
At 616 PM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles southeast of Florala, moving northeast at 20 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 tornadic thunderstorm will remain over mainly rural areas of
north central Walton County.

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 3090 8622 3094 8624 3098 8619 3092 8611
TIME...MOT...LOC 2316Z 230DEG 15KT 3093 8620 

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

$$

55-SCHOLL

610 
WWUS52 KTAE 302325
SVSTAE

Severe Weather Statement
National Weather Service Tallahassee FL
625 PM CDT Wed Oct 30 2019

FLC131-302334-
/O.EXP.KTAE.TO.W.0063.000000T0000Z-191030T2330Z/
Walton FL-
625 PM CDT Wed Oct 30 2019

...THE TORNADO WARNING FOR NORTH CENTRAL WALTON COUNTY WILL EXPIRE AT
630 PM 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.

LAT...LON 3090 8622 3094 8624 3098 8619 3092 8611
TIME...MOT...LOC 2324Z 240DEG 16KT 3094 8617 

$$

55-SCHOLL

The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 30, 1:19 PM CDT	Special Weather Statement	TAE	Jackson	41 min
Oct 30, 1:54 PM CDT	Tornado Warning	TAE	Jackson, Washington	36 min

Nearby

Tornado Warnings in Florida, 2019 Every tornado warning in 2019 Tornadoes in 2019

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.