Alert archive / Florida / Tornado Warnings in 2018
Tornado Warning 11, NWS Tallahassee, FL
NWS Tallahassee, FL issued this tornado warning at Apr 15, 2018, 6:09 AM CDT for Bay County, Calhoun County, Gulf County, Florida. It was in force for 36 min. 3 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Apr 15, 2018, 6:09 AM CDT (11:09 UTC)
- Expired
- Apr 15, 2018, 6:45 AM CDT
- In force
- 36 min
- Issued by
- NWS Tallahassee, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Bay County, FL, Calhoun County, FL, Gulf County, FL
The radar
The Eglin Afb radar (KEVX), 66 km from the middle of the area, began a volume at 11:12 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 15, 6:09 AM CDT | TORNADO | 4 Wsw Allanton, FL | BRIEF EF0 TORNADO CROSSED HIGHWAY 98 AND CAUSED DAMAGE TO PINE TREES AND UTILITY LINES. ESTIMATED PATH LENGTH 1.13 MILES AND WIDTH 60 YARDS. |
| Apr 15, 6:12 AM CDT | TSTM WND DMG | 4 Wsw Allanton, FL | TWO TO THREE TREES DOWN ALONG HIGHWAY 98 NEAR MILE MARKER 133. TREES FELL ON POWER LINES, RESULTING IN DOWNED POWER LINES TOO. |
| Apr 15, 6:12 AM CDT | TSTM WND DMG | 4 Wsw Allanton, FL | TWO TO THREE TREES DOWN ALONG HIGHWAY 98 NEAR MILE MARKER 133. TREES FELL ON POWER LINES, RESULTING IN DOWNED POWER LINES TOO. POSSIBLE TORNADO. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 14, 10:58 PM CDT | Tornado Watch | SPC | 8 hr |
The nearest sounding before it
Tallahassee Rgnl, FL (KTLH), launched 00:00Z, 11.2 hours before the alert went out and 116 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1537 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 82 m²/s²
- 0-3 km storm-relative helicity
- 79 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
022
WFUS52 KTAE 151109
TORTAE
FLC005-013-045-151145-
/O.NEW.KTAE.TO.W.0011.180415T1109Z-180415T1145Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Tallahassee FL
609 AM CDT SUN APR 15 2018
The National Weather Service in Tallahassee has issued a
* Tornado Warning for...
Northwestern Gulf County in the Panhandle of Florida...
Southeastern Bay County in the Panhandle of Florida...
Southwestern Calhoun County in the Panhandle of Florida...
* Until 645 AM CDT.
* At 609 AM CDT, a severe thunderstorm capable of producing a tornado
was located over Tyndall Air Force Base, or 9 miles south of
Callaway, moving northeast at 60 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
northwestern Gulf...southeastern Bay and southwestern Calhoun
Counties in the Panhandle of Florida, including the following
locations... Nixon, Youngstown, Cairo, Davis Beach, Kinard,
Allanton, Broad Branch, Chipola Park and Wetappo.
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 2999 8563 3042 8543 3029 8513 2991 8550
TIME...MOT...LOC 1109Z 213DEG 52KT 3001 8554
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
11-NGUYEN2 follow-up statements
330
WWUS52 KTAE 151121
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
621 AM CDT SUN APR 15 2018
FLC005-013-045-151145-
/O.CON.KTAE.TO.W.0011.000000T0000Z-180415T1145Z/
Bay FL-Gulf FL-Calhoun FL-
621 AM CDT SUN APR 15 2018
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR EAST
CENTRAL BAY...NORTHWESTERN GULF AND SOUTHWESTERN CALHOUN COUNTIES IN
THE PANHANDLE OF FLORIDA...
At 621 AM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles east of Callaway, moving northeast at 60 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
Locations impacted include...
Nixon, Broad Branch, Chipola Park, Wetappo, Youngstown and Kinard.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
&&
LAT...LON 3011 8553 3042 8543 3029 8513 3004 8541
TIME...MOT...LOC 1121Z 213DEG 52KT 3016 8543
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
11-NGUYEN588
WWUS52 KTAE 151135
SVSTAE
Severe Weather Statement
National Weather Service Tallahassee FL
635 AM CDT SUN APR 15 2018
FLC005-013-045-151145-
/O.EXP.KTAE.TO.W.0011.000000T0000Z-180415T1145Z/
Bay FL-Gulf FL-Calhoun FL-
635 AM CDT SUN APR 15 2018
...THE TORNADO WARNING FOR EAST CENTRAL BAY...NORTHWESTERN GULF AND
SOUTHWESTERN CALHOUN COUNTIES IN THE PANHANDLE OF FLORIDA WILL EXPIRE
AT 645 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. However gusty
winds are still possible with this thunderstorm.
A Tornado Watch remains in effect until 700 AM CDT for the Panhandle
of Florida.
LAT...LON 3011 8553 3042 8543 3029 8513 3004 8541
TIME...MOT...LOC 1135Z 213DEG 52KT 3032 8531
$$
11-NGUYENThe office that day
Everything else NWS Tallahassee, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 1:44 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Apr 15, 2:28 AM CDT | Severe Thunderstorm Warning | TAE | Bay, Holmes, Walton, Washington | 48 min |
| Apr 15, 3:38 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Apr 15, 5:32 AM CDT | Special Marine Warning | TAE | 88 min | |
| Apr 15, 6:29 AM CDT | Special Marine Warning | TAE | 2 hr | |
| Apr 15, 7:16 AM CDT | Severe Thunderstorm Warning | TAE | Gadsden, Leon, Wakulla | 44 min |
| Apr 15, 7:28 AM CDT | Tornado Warning | TAE | Jackson | 32 min |
| Apr 15, 7:34 AM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Madison, Taylor, Wakulla | 41 min |
| Apr 15, 7:37 AM CDT | Special Marine Warning | TAE | 113 min | |
| Apr 15, 7:48 AM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Leon, Madison | 27 min |
| Apr 15, 8:11 AM CDT | Severe Thunderstorm Warning | TAE | Jefferson, Madison, Taylor | 49 min |
| Apr 15, 8:37 AM CDT | Severe Thunderstorm Warning | TAE | Madison | 38 min |
| Apr 15, 9:11 AM CDT | Severe Thunderstorm Warning | TAE | Lafayette, Madison | 34 min |
| Apr 15, 9:21 AM CDT | Special Marine Warning | TAE | 24 min | |
| Apr 15, 9:55 AM CDT | Special Marine Warning | TAE | 65 min | |
| Apr 15, 9:58 AM CDT | Severe Thunderstorm Warning | TAE | Dixie, Lafayette | 47 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.