Alert archive / Florida / Tornado Warnings in 2016
Tornado Warning 15, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Sep 2, 2016, 11:09 AM EDT for Clay County, Saint Johns County, Florida. It was in force for 19 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
- Sep 2, 2016, 11:09 AM EDT (15:09 UTC)
- Expired
- Sep 2, 2016, 11:28 AM EDT
- In force
- 19 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.0 in
Counties Clay County, FL, Saint Johns County, FL
The radar
The Jacksonville radar (KJAX), 46 km from the middle of the area, began a volume at 15:11 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
Jacksonville, FL (KJAX), launched 12:00Z, 3.2 hours before the alert went out and 48 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
- 635 J/kg
- Mixed-layer CIN
- -8 J/kg
- Mixed-layer LCL
- 589 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 623 m²/s²
- 0-3 km storm-relative helicity
- 630 m²/s²
- Significant tornado parameter
- 2.1
- Supercell composite
- 13.0
The text
As transmitted.
060
WFUS52 KJAX 021509
TORJAX
FLC019-109-021545-
/O.NEW.KJAX.TO.W.0015.160902T1509Z-160902T1545Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1109 AM EDT FRI SEP 2 2016
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN ST. JOHNS COUNTY IN NORTHEASTERN FLORIDA...
NORTHEASTERN CLAY COUNTY IN NORTHEASTERN FLORIDA...
* UNTIL 1145 AM EDT
* AT 1109 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
TORNADO WAS LOCATED NEAR SWITZERLAND...OR NEAR FRUIT COVE...MOVING
NORTHEAST 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...
DURBIN AND NOCATEE AROUND 1125 AM EDT.
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 2997 8175 3001 8176 3008 8175 3013 8163
3013 8160 3012 8157 3012 8154 3010 8154
3011 8144 3007 8142
TIME...MOT...LOC 1509Z 246DEG 40KT 3005 8166
TORNADO...RADAR INDICATED
HAIL...0.00IN
$$
WOLF2 follow-up statements
099
WWUS52 KJAX 021517
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1117 AM EDT FRI SEP 2 2016
FLC019-109-021545-
/O.CON.KJAX.TO.W.0015.000000T0000Z-160902T1545Z/
ST. JOHNS FL-CLAY FL-
1117 AM EDT FRI SEP 2 2016
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1145 AM EDT FOR
NORTHWESTERN ST. JOHNS AND NORTHEASTERN CLAY COUNTIES...
AT 1116 AM EDT...RADAR INDICATED A THUNDERSTORM WITH ROTATION NEAR
FRUIT COVE...MOVING NORTHEAST AT 45 MPH. THIS STORM COULD PRODUCE A
BRIEF TORNADO AT ANY TIME. A SECOND STORM WITH WEAK ROTATION WAS OVER
NORTHEAST CLAY COUNTY AND WILL PASS JUST NORTH OF GREEN COVE SPRINGS.
HAZARD...TORNADO.
SOURCE...RADAR INDICATED ROTATION.
IMPACT...FLYING DEBRIS WILL BE DANGEROUS TO THOSE CAUGHT WITHOUT
SHELTER. MOBILE HOMES WILL BE DAMAGED OR DESTROYED. DAMAGE
TO ROOFS...WINDOWS...AND VEHICLES WILL OCCUR. TREE DAMAGE
IS LIKELY.
THIS DANGEROUS STORM WILL BE NEAR...
DURBIN AND NOCATEE AROUND 1125 AM EDT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! MOVE TO A BASEMENT OR AN INTERIOR ROOM ON THE LOWEST
FLOOR OF A STURDY BUILDING. AVOID WINDOWS. IF YOU ARE OUTDOORS...IN
A MOBILE HOME...OR IN A VEHICLE...MOVE TO THE CLOSEST SUBSTANTIAL
SHELTER AND PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 2997 8175 3001 8176 3008 8175 3013 8163
3013 8160 3012 8157 3012 8154 3010 8154
3011 8144 3007 8142
TIME...MOT...LOC 1516Z 246DEG 40KT 3008 8158
TORNADO...RADAR INDICATED
HAIL...<.75IN
$$
WOLF778
WWUS52 KJAX 021528
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1128 AM EDT FRI SEP 2 2016
FLC019-109-021535-
/O.CAN.KJAX.TO.W.0015.000000T0000Z-160902T1545Z/
ST. JOHNS FL-CLAY FL-
1128 AM EDT FRI SEP 2 2016
...THE TORNADO WARNING FOR NORTHWESTERN ST. JOHNS AND NORTHEASTERN
CLAY COUNTIES IS CANCELLED...
THE STORMS WHICH PROMPTED THE WARNING HAD WEAKENED. THE DETECTED
ROTATION IS WEAKER...THUS THE THREAT FOR A TORNADO HAS DECREASED.
BRIEF FUNNEL CLOUDS ARE POSSIBLE WITH THE STORMS. TORNADOES CAN
OCCUR WITH LITTLE OR NO ADVANCE WARNING.
LAT...LON 2997 8175 3001 8176 3008 8175 3013 8163
3013 8160 3012 8157 3012 8154 3010 8154
3011 8144 3007 8142
TIME...MOT...LOC 1523Z 246DEG 40KT 3012 8146
$$
WOLFThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 1, 8:00 PM EDT | Special Weather Statement | JAX | Marion | 45 min |
| Sep 1, 8:14 PM EDT | Special Marine Warning | JAX | 61 min | |
| Sep 1, 8:40 PM EDT | Special Weather Statement | JAX | Alachua | 35 min |
| Sep 1, 8:47 PM EDT | Special Weather Statement | JAX | Marion | 43 min |
| Sep 1, 8:54 PM EDT | Special Weather Statement | JAX | Bradford | 51 min |
| Sep 1, 9:09 PM EDT | Special Weather Statement | JAX | Putnam | 36 min |
| Sep 1, 9:24 PM EDT | Special Weather Statement | JAX | Baker, Union | 51 min |
| Sep 1, 9:28 PM EDT | Special Weather Statement | JAX | Clay | 47 min |
| Sep 1, 9:44 PM EDT | Special Weather Statement | JAX | Hamilton, Suwannee | 46 min |
| Sep 1, 9:46 PM EDT | Special Weather Statement | JAX | Gilchrist | 44 min |
| Sep 1, 10:29 PM EDT | Special Weather Statement | JAX | Columbia, Gilchrist, Hamilton, Suwannee | 61 min |
| Sep 1, 11:26 PM EDT | Special Weather Statement | JAX | Alachua, Baker, Bradford, Columbia, Gilchrist, Hamilton and 2 more | 64 min |
| Sep 2, 12:32 AM EDT | Special Weather Statement | JAX | Alachua, Baker, Columbia, Union | 58 min |
| Sep 2, 12:36 AM EDT | Special Marine Warning | JAX | 84 min | |
| Sep 2, 2:01 AM EDT | Special Marine Warning | JAX | 44 min | |
| Sep 2, 2:09 AM EDT | Special Weather Statement | JAX | Alachua | 51 min |
| Sep 2, 3:17 AM EDT | Special Weather Statement | JAX | Clay | 43 min |
| Sep 2, 3:39 AM EDT | Special Marine Warning | JAX | 36 min | |
| Sep 2, 3:47 AM EDT | Special Weather Statement | JAX | Clay, Duval, Putnam | 43 min |
| Sep 2, 5:28 AM EDT | Special Weather Statement | JAX | Alachua, Bradford, Clay | 47 min |
| Sep 2, 8:52 AM EDT | Special Weather Statement | JAX | Clay | 38 min |
| Sep 2, 11:01 AM EDT | Special Weather Statement | JAX | Clay | 44 min |
| Sep 2, 11:25 AM EDT | Special Weather Statement | JAX | Duval | 35 min |
| Sep 2, 11:31 AM EDT | Wind Advisory | JAX | Duval, Flagler, Nassau | 5 hr |
| Sep 2, 11:54 AM EDT | Special Marine Warning | JAX | 66 min | |
| Sep 2, 12:09 PM EDT | Special Weather Statement | JAX | Saint Johns | 36 min |
| Sep 2, 12:59 PM EDT | Special Marine Warning | JAX | 61 min | |
| Sep 2, 5:32 PM EDT | Small Craft Advisory | JAX | 10 hr | |
| Sep 2, 5:32 PM EDT | Small Craft Advisory for Winds | JAX | 5 hr | |
| Sep 2, 6:50 PM EDT | Special Weather Statement | JAX | Marion | 40 min |
| Sep 2, 7:37 PM EDT | Special Weather Statement | JAX | Columbia | 53 min |
| Sep 2, 7:40 PM EDT | Special Weather Statement | JAX | Suwannee | 50 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.