Alert archive / Florida / Tornado Warnings in 2016
Tornado Warning 17, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Dec 6, 2016, 8:35 AM EST for Duval County, Saint Johns County, Florida. It was in force for 25 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
- Dec 6, 2016, 8:35 AM EST (13:35 UTC)
- Expired
- Dec 6, 2016, 9:00 AM EST
- In force
- 25 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Duval County, FL, Saint Johns County, FL
The radar
The Jacksonville radar (KJAX), 46 km from the middle of the area, began a volume at 13:39 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
Cape Canaveral, FL (KXMR), launched 12:00Z, 1.6 hours before the alert went out and 207 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
- 390 J/kg
- Mixed-layer CIN
- -4 J/kg
- Mixed-layer LCL
- 609 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 199 m²/s²
- 0-3 km storm-relative helicity
- 199 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 3.1
The text
As transmitted.
195
WFUS52 KJAX 061335
TORJAX
FLC031-109-061400-
/O.NEW.KJAX.TO.W.0017.161206T1335Z-161206T1400Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
835 AM EST TUE DEC 6 2016
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* TORNADO WARNING FOR...
NORTH CENTRAL ST. JOHNS COUNTY IN NORTHEASTERN FLORIDA...
SOUTHEASTERN DUVAL COUNTY IN NORTHEASTERN FLORIDA...
* UNTIL 900 AM EST
* AT 831 AM EST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED OVER BAYARD...OR 7 MILES EAST OF FRUIT COVE...
MOVING EAST AT 45 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...
NOCATEE AROUND 835 AM EST.
PALM VALLEY AND GUANA RIVER STATE PARK AROUND 840 AM EST.
PONTE VEDRA BEACH AND SAWGRASS AROUND 845 AM EST.
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 OR IN
A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3001 8154 3018 8161 3029 8135 3025 8135
3007 8129
TIME...MOT...LOC 1331Z 249DEG 40KT 3013 8149
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
HESS2 follow-up statements
687
WWUS52 KJAX 061343
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
843 AM EST TUE DEC 6 2016
FLC031-061353-
/O.CAN.KJAX.TO.W.0017.000000T0000Z-161206T1400Z/
DUVAL FL-
843 AM EST TUE DEC 6 2016
...THE TORNADO WARNING FOR SOUTHEASTERN DUVAL COUNTY IS CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 3005 8144 3010 8146 3011 8144 3021 8143
3023 8144 3025 8144 3026 8143 3025 8143
3025 8138 3028 8138 3029 8135 3024 8135
3009 8130
TIME...MOT...LOC 1343Z 242DEG 25KT 3017 8140
$$
FLC109-061400-
/O.CON.KJAX.TO.W.0017.000000T0000Z-161206T1400Z/
ST. JOHNS FL-
843 AM EST TUE DEC 6 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 900 AM EST FOR NORTH
CENTRAL ST. JOHNS COUNTY...
AT 843 AM EST...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER PALM VALLEY...OR NEAR PONTE VEDRA BEACH...MOVING
NORTHEAST 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 TORNADIC THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
NORTH CENTRAL ST. JOHNS 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 OR IN
A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3005 8144 3010 8146 3011 8144 3021 8143
3023 8144 3025 8144 3026 8143 3025 8143
3025 8138 3028 8138 3029 8135 3024 8135
3009 8130
TIME...MOT...LOC 1343Z 242DEG 25KT 3017 8140
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
HESS747
WWUS52 KJAX 061352
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
852 AM EST TUE DEC 6 2016
FLC109-061401-
/O.EXP.KJAX.TO.W.0017.000000T0000Z-161206T1400Z/
ST. JOHNS FL-
852 AM EST TUE DEC 6 2016
...THE TORNADO WARNING FOR NORTH CENTRAL ST. JOHNS COUNTY WILL EXPIRE
AT 900 AM EST...
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
JACKSONVILLE.
LAT...LON 3005 8144 3010 8146 3011 8144 3021 8143
3023 8144 3025 8144 3026 8143 3025 8143
3025 8138 3028 8138 3029 8135 3024 8135
3009 8130
TIME...MOT...LOC 1351Z 249DEG 40KT 3020 8132
$$
HESSThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 12:55 AM EST | Special Weather Statement | JAX | Suwannee | 35 min |
| Dec 6, 1:33 AM EST | Special Weather Statement | JAX | Hamilton | 42 min |
| Dec 6, 1:47 AM EST | Special Weather Statement | JAX | Gilchrist, Union | 43 min |
| Dec 6, 4:06 AM EST | Areal Flood Advisory | JAX | Columbia, Gilchrist, Suwannee | 3 hr |
| Dec 6, 6:02 AM EST | Areal Flood Advisory | JAX | Clay, Duval, Saint Johns | 118 min |
| Dec 6, 6:12 AM EST | Areal Flood Advisory | JAX | Alachua, Baker, Bradford, Columbia, Union | 3 hr |
| Dec 6, 6:28 AM EST | Special Weather Statement | JAX | Bradford, Gilchrist, Union | 47 min |
| Dec 6, 6:56 AM EST | Special Weather Statement | JAX | Alachua | 34 min |
| Dec 6, 7:53 AM EST | Special Weather Statement | JAX | Clay | 52 min |
| Dec 6, 8:03 AM EST | Areal Flood Advisory | JAX | Bradford, Clay, Duval, Saint Johns | 117 min |
| Dec 6, 8:15 AM EST | Severe Thunderstorm Warning | JAX | Clay, Duval, Saint Johns | 45 min |
| Dec 6, 8:27 AM EST | Special Weather Statement | JAX | Saint Johns | 33 min |
| Dec 6, 8:30 AM EST | Special Marine Warning | JAX | 60 min | |
| Dec 6, 8:37 AM EST | Special Weather Statement | JAX | Clay | 38 min |
| Dec 6, 9:21 AM EST | Special Weather Statement | JAX | Saint Johns | 39 min |
| Dec 6, 9:23 AM EST | Special Marine Warning | JAX | 97 min | |
| Dec 6, 11:23 AM EST | Special Marine Warning | JAX | 97 min |
Nearby
Tornado Warnings in Florida, 2016Every tornado warning in 2016Tornadoes in 2016
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.