Alert archive / Florida / Tornado Warnings in 2016

Tornado Warning 4, NWS Jacksonville, FL

April 2, 2016Hamilton County, Suwannee County, Florida

NWS Jacksonville, FL issued this tornado warning at Apr 2, 2016, 3:42 AM EDT for Hamilton County, Suwannee County, Florida. It was in force for 33 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: Apr 2, 2016, 3:42 AM EDT (07:42 UTC)
Expired: Apr 2, 2016, 4:15 AM EDT
In force: 33 min
Issued by: NWS Jacksonville, FL
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 0.75 in

Counties Hamilton County, FL, Suwannee County, FL

The radar

The Moody AFB radar (KVAX), 75 km from the middle of the area, began a volume at 07:42 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 1, 9:02 PM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 7.7 hours before the alert went out and 141 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1190 J/kg
Mixed-layer CIN: -22 J/kg
Mixed-layer LCL: 1066 m above ground
0-6 km bulk shear: 70 kt
0-1 km storm-relative helicity: 108 m²/s²
0-3 km storm-relative helicity: 137 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

As transmitted.

043 
WFUS52 KJAX 020742
TORJAX
FLC047-121-020815-
/O.NEW.KJAX.TO.W.0004.160402T0742Z-160402T0815Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
342 AM EDT SAT APR 2 2016

THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEASTERN HAMILTON COUNTY IN NORTHERN FLORIDA...
  SUWANNEE COUNTY IN NORTHERN FLORIDA...

* UNTIL 415 AM EDT
    
* AT 342 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
  WAS LOCATED NEAR DOWLING PARK...OR 9 MILES NORTHWEST OF MAYO...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 DANGEROUS STORM WILL BE NEAR...
  LIVE OAK AROUND 415 AM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
NEWBURN AND HOUSTON.

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 3026 8324 3029 8323 3031 8321 3034 8321
      3044 8278 3032 8278 3032 8280 3012 8280
      3010 8314 3011 8316 3010 8317 3010 8319
      3012 8323 3017 8323 3018 8325 3023 8324
      3023 8325 3025 8324 3026 8325
TIME...MOT...LOC 0742Z 237DEG 24KT 3017 8324 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

ENYEDI

3 follow-up statements

412 
WWUS52 KJAX 020759
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
359 AM EDT SAT APR 2 2016

FLC047-121-020815-
/O.CON.KJAX.TO.W.0004.000000T0000Z-160402T0815Z/
HAMILTON FL-SUWANNEE FL-
359 AM EDT SAT APR 2 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM EDT FOR
SOUTHEASTERN HAMILTON AND CENTRAL SUWANNEE COUNTIES...
    
AT 358 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED NEAR DOWLING PARK...OR 9 MILES SOUTHWEST OF LIVE OAK...
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 DANGEROUS STORM WILL BE NEAR...
  LIVE OAK AROUND 415 AM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
NEWBURN AND HOUSTON.

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 3026 8324 3044 8278 3032 8278 3032 8280
      3012 8280 3010 8314 3011 8316 3010 8317
      3010 8319 3012 8323 3017 8323 3018 8325
      3023 8324 3023 8325 3025 8324 3026 8325
TIME...MOT...LOC 0758Z 237DEG 24KT 3023 8313 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

ENYEDI

015 
WWUS52 KJAX 020801
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
401 AM EDT SAT APR 2 2016

FLC047-121-020815-
/O.CON.KJAX.TO.W.0004.000000T0000Z-160402T0815Z/
HAMILTON FL-SUWANNEE FL-
401 AM EDT SAT APR 2 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 AM EDT FOR
SOUTHEASTERN HAMILTON AND CENTRAL SUWANNEE COUNTIES...
    
AT 401 AM EDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED 7 MILES EAST OF DOWLING PARK...OR 8 MILES SOUTHWEST OF
LIVE OAK...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 DANGEROUS STORM WILL BE NEAR...
  LIVE OAK AROUND 415 AM EDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
NEWBURN AND HOUSTON.

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 3044 8278 3032 8278 3032 8280 3012 8280
      3010 8314 3011 8316 3029 8317
TIME...MOT...LOC 0801Z 237DEG 24KT 3024 8311 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

ENYEDI

975 
WWUS52 KJAX 020811
SVSJAX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
411 AM EDT SAT APR 2 2016

FLC047-121-020821-
/O.EXP.KJAX.TO.W.0004.000000T0000Z-160402T0815Z/
HAMILTON FL-SUWANNEE FL-
411 AM EDT SAT APR 2 2016

...THE TORNADO WARNING FOR SOUTHEASTERN HAMILTON AND CENTRAL SUWANNEE
COUNTIES WILL EXPIRE AT 415 AM EDT...
    
THE TORNADO THREAT HAS DIMINISHED AND THE TORNADO WARNING HAS BEEN
CANCELLED. HOWEVER...LARGE HAIL AND DAMAGING WINDS REMAIN LIKELY AND A
SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR THE AREA.  HOWEVER
GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 600 AM EDT FOR NORTHERN
FLORIDA.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
HAMILTON AND SUWANNEE COUNTIES. 

LAT...LON 3044 8278 3032 8278 3032 8280 3012 8280
      3010 8314 3011 8316 3029 8317
TIME...MOT...LOC 0809Z 237DEG 24KT 3024 8311 

$$

ENYEDI

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 1, 10:07 PM EDT	Special Weather Statement	JAX	Hamilton	53 min
Apr 2, 2:17 AM EDT	Special Weather Statement	JAX	Suwannee	43 min
Apr 2, 2:23 AM EDT	Severe Thunderstorm Warning	JAX	Suwannee	52 min
Apr 2, 3:17 AM EDT	Special Weather Statement	JAX	Columbia, Hamilton, Suwannee	58 min
Apr 2, 3:25 AM EDT	Severe Thunderstorm Warning	JAX	Columbia, Hamilton, Suwannee	35 min
Apr 2, 3:56 AM EDT	Small Craft Advisory	JAX		35 hr
Apr 2, 3:57 AM EDT	Severe Thunderstorm Warning	JAX	Columbia, Hamilton, Suwannee	63 min
Apr 2, 4:36 AM EDT	Areal Flood Advisory	JAX	Hamilton, Suwannee	3 hr
Apr 2, 4:55 AM EDT	Special Weather Statement	JAX	Baker, Columbia, Suwannee	65 min
Apr 2, 5:35 AM EDT	Special Weather Statement	JAX	Baker, Duval, Nassau	55 min
Apr 2, 5:56 AM EDT	Special Weather Statement	JAX	Alachua, Baker, Bradford, Clay, Columbia, Duval and 2 more	49 min
Apr 2, 6:19 AM EDT	Special Marine Warning	JAX		86 min
Apr 2, 6:28 AM EDT	Special Weather Statement	JAX	Duval	47 min
Apr 2, 6:42 AM EDT	Special Weather Statement	JAX	Alachua, Bradford, Clay, Gilchrist, Saint Johns, Union	63 min
Apr 2, 7:43 AM EDT	Special Weather Statement	JAX	Alachua, Bradford, Clay, Saint Johns	62 min
Apr 2, 8:47 AM EDT	Special Weather Statement	JAX	Gilchrist	43 min
Apr 2, 8:59 AM EDT	Special Weather Statement	JAX	Bradford	46 min
Apr 2, 9:21 AM EDT	Severe Thunderstorm Warning	JAX	Bradford, Clay, Union	22 min
Apr 2, 1:26 PM EDT	Wind Advisory	JAX	Duval, Flagler	3 hr

Nearby

Tornado Warnings in Florida, 2016 Every tornado warning in 2016 Tornadoes 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.