Alert archive / Florida / Tornado Warnings in 2017
Tornado Warning 74, NWS Tallahassee, FL
NWS Tallahassee, FL issued this tornado warning at Jun 20, 2017, 7:29 PM CDT for 4 counties in Florida. It was in force for 29 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, 7:29 PM CDT (00:29 UTC)
- Expired
- Jun 20, 2017, 7:58 PM CDT
- In force
- 29 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Bay County, FL, Calhoun County, FL, Jackson County, FL, Washington County, FL
The radar
The Eglin Afb radar (KEVX), 58 km from the middle of the area, began a volume at 00:31 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, 0.5 hours before the alert went out and 98 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.
707
WFUS52 KTAE 210029
TORTAE
FLC005-013-063-133-210115-
/O.NEW.KTAE.TO.W.0074.170621T0029Z-170621T0115Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
729 PM CDT TUE JUN 20 2017
The National Weather Service in Tallahassee has issued a
* Tornado Warning for...
South central Jackson County in the Panhandle of Florida...
Northeastern Bay County in the Panhandle of Florida...
Northwestern Calhoun County in the Panhandle of Florida...
East central Washington County in the Panhandle of Florida...
* Until 815 PM CDT
* At 729 PM CDT, a severe thunderstorm capable of producing a tornado
was located 15 miles west of Blountstown, moving north at 15 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
south central Jackson...northeastern Bay...northwestern Calhoun and
east central Washington Counties in the Panhandle of Florida,
including the following locations: Betts, Moose Pond, Center Lake,
Fountain, Frink, Singer Road, Broad Branch, Saunders, Compass Lake
and Camps Head.
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 3062 8525 3030 8517 3029 8538 3056 8556
TIME...MOT...LOC 0029Z 158DEG 12KT 3038 8531
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
15-HARRIGAN2 follow-up statements
556
WWUS52 KTAE 210050
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
750 PM CDT TUE JUN 20 2017
FLC133-210100-
/O.CAN.KTAE.TO.W.0074.000000T0000Z-170621T0115Z/
Washington FL-
750 PM CDT TUE JUN 20 2017
...THE TORNADO WARNING FOR EAST CENTRAL WASHINGTON COUNTY IS
CANCELLED...
The tornadic thunderstorm which prompted the warning has moved out
of the warned area. Therefore, the warning has been cancelled.
LAT...LON 3057 8544 3058 8544 3061 8532 3042 8527
3039 8538 3054 8549 3057 8549
TIME...MOT...LOC 0050Z 158DEG 12KT 3045 8534
$$
FLC005-013-063-210115-
/O.CON.KTAE.TO.W.0074.000000T0000Z-170621T0115Z/
Jackson FL-Bay FL-Calhoun FL-
750 PM CDT TUE JUN 20 2017
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR SOUTH
CENTRAL JACKSON...NORTHEASTERN BAY AND NORTHWESTERN CALHOUN COUNTIES
IN THE PANHANDLE OF FLORIDA...
At 750 PM CDT, a severe thunderstorm capable of producing a tornado
was located 16 miles west of Blountstown, moving north at 15 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.
Locations impacted include...
Betts, Moose Pond, Center Lake, Compass Lake and Fountain.
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 3057 8544 3058 8544 3061 8532 3042 8527
3039 8538 3054 8549 3057 8549
TIME...MOT...LOC 0050Z 158DEG 12KT 3045 8534
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
15-HARRIGAN157
WWUS52 KTAE 210058
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
758 PM CDT TUE JUN 20 2017
FLC005-013-063-210108-
/O.CAN.KTAE.TO.W.0074.000000T0000Z-170621T0115Z/
Jackson FL-Bay FL-Calhoun FL-
758 PM CDT TUE JUN 20 2017
...THE TORNADO WARNING FOR SOUTH CENTRAL JACKSON...NORTHEASTERN BAY
AND NORTHWESTERN CALHOUN COUNTIES IN THE PANHANDLE OF FLORIDA IS
CANCELLED...
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore the warning has been cancelled.
LAT...LON 3057 8544 3058 8544 3061 8532 3042 8527
3039 8538 3054 8549 3057 8549
TIME...MOT...LOC 0057Z 158DEG 12KT 3048 8535
$$
15-HARRIGANThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 7:22 PM CDT | Tornado Warning | TAE | Calhoun, Gulf, Liberty | 27 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.