Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 73, NWS Tallahassee, FL
NWS Tallahassee, FL issued this tornado warning at Jun 20, 2017, 7:22 PM CDT for Calhoun County, Gulf County, Liberty 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
- Jun 20, 2017, 7:22 PM CDT (00:22 UTC)
- Expired
- Jun 20, 2017, 7:49 PM CDT
- In force
- 27 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Calhoun County, FL, Gulf County, FL, Liberty County, FL
The radar
The Tallahassee radar (KTLH), 85 km from the middle of the area, began a volume at 00:26 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, 0.4 hours before the alert went out and 88 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.
- Mixed-layer CAPE
- 439 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 713 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 173 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 4.8
The text
As transmitted.
041
WFUS52 KTAE 210022
TORTAE
FLC013-045-077-210100-
/O.NEW.KTAE.TO.W.0073.170621T0022Z-170621T0100Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
822 PM EDT TUE JUN 20 2017
The National Weather Service in Tallahassee has issued a
* Tornado Warning for...
Northeastern Gulf County in the Panhandle of Florida...
Southwestern Calhoun County in the Panhandle of Florida...
Southwestern Liberty County in Big Bend of Florida...
* Until 900 PM EDT/800 PM CDT/
* At 820 PM EDT/720 PM CDT/, a severe thunderstorm capable of
producing a tornado was located 7 miles southeast of Wewahitchka,
or 17 miles northeast of Port St. Joe, moving north 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 dangerous storm will be near...
Wewahitchka around 840 PM EDT.
Stonemill Creek around 845 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Marysville, Scotts Ferry, Honeyville, Kinard, Lewis, Chipola Cutoff,
Willis Landing, Chipola Park, Wewahitchka and Orange.
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 2995 8506 2995 8523 3030 8539 3030 8497
TIME...MOT...LOC 0020Z 184DEG 19KT 3002 8512
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
15-HARRIGAN2 follow-up statements
845
WWUS52 KTAE 210039
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
839 PM EDT TUE JUN 20 2017
FLC013-045-077-210100-
/O.CON.KTAE.TO.W.0073.000000T0000Z-170621T0100Z/
Gulf FL-Calhoun FL-Liberty FL-
839 PM EDT TUE JUN 20 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 PM EDT/800 PM CDT/
FOR NORTH CENTRAL GULF...SOUTHWESTERN CALHOUN COUNTIES IN THE
PANHANDLE OF FLORIDA AND WEST CENTRAL LIBERTY COUNTIES IN BIG BEND OF
FLORIDA...
At 839 PM EDT/739 PM CDT/, a severe thunderstorm capable of producing
a tornado was located over Wewahitchka, or 22 miles north of Port St.
Joe, moving north at 20 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
Stonemill Creek around 745 PM CDT.
Other locations impacted by this tornadic thunderstorm include
Marysville, Scotts Ferry, Honeyville, Kinard, Chipola Cutoff, Chipola
Park and Wewahitchka.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3006 8511 3005 8527 3030 8539 3030 8509
TIME...MOT...LOC 0039Z 174DEG 18KT 3011 8516
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
15-HARRIGAN907
WWUS52 KTAE 210049
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
849 PM EDT TUE JUN 20 2017
FLC013-045-077-210059-
/O.CAN.KTAE.TO.W.0073.000000T0000Z-170621T0100Z/
Gulf FL-Calhoun FL-Liberty FL-
849 PM EDT TUE JUN 20 2017
...THE TORNADO WARNING FOR NORTH CENTRAL GULF...SOUTHWESTERN CALHOUN
COUNTIES IN THE PANHANDLE OF FLORIDA AND WEST CENTRAL LIBERTY
COUNTIES IN BIG BEND OF FLORIDA 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.
LAT...LON 3006 8511 3005 8527 3030 8539 3030 8509
TIME...MOT...LOC 0047Z 184DEG 19KT 3017 8516
$$
15-HARRIGANThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:29 PM CDT | Tornado Warning | TAE | Bay, Calhoun, Jackson, Washington | 29 min |
| Jun 20, 7:37 PM CDT | Special Marine Warning | TAE | 83 min | |
| Jun 20, 8:41 PM CDT | Tornado Warning | TAE | Bay, Calhoun | 19 min |
| Jun 20, 9:02 PM CDT | Special Marine Warning | TAE | 58 min | |
| Jun 20, 10:00 PM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 20, 11:50 PM CDT | Tornado Warning | TAE | Franklin, Gulf | 23 min |
| Jun 20, 11:55 PM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 21, 12:27 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 21, 2:24 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 21, 4:23 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Jun 21, 6:26 AM CDT | Special Marine Warning | TAE | 94 min | |
| Jun 21, 7:57 AM CDT | Special Marine Warning | TAE | 93 min | |
| Jun 21, 8:57 AM CDT | Flash Flood Warning | TAE | Bay | 3 hr |
| Jun 21, 9:25 AM CDT | Special Marine Warning | TAE | 95 min | |
| Jun 21, 9:52 AM CDT | Flash Flood Warning | TAE | Bay, Walton, Washington | 3 hr |
| Jun 21, 11:28 AM CDT | Flash Flood Warning | TAE | Holmes, Jackson, Washington | 3 hr |
| Jun 21, 12:03 PM CDT | Tornado Warning | TAE | Jackson | 15 min |
Nearby
Tornado Warnings in Florida, 2017Every tornado warning in 2017Tornadoes in 2017
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.