Alert archive / Florida / Tornado Warnings in 2015
Tornado Warning 3, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Apr 25, 2015, 1:00 PM EDT for Columbia County, Hamilton County, Suwannee County, Florida. It was in force for 30 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 25, 2015, 1:00 PM EDT (17:00 UTC)
- Expired
- Apr 25, 2015, 1:30 PM EDT
- In force
- 30 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Columbia County, FL, Hamilton County, FL, Suwannee County, FL
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 25, 9:08 AM EDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 12:00Z, 5.0 hours before the alert went out and 102 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
- 1018 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 226 m²/s²
- 0-3 km storm-relative helicity
- 316 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
246
WFUS52 KJAX 251700
TORJAX
FLC023-047-121-251730-
/O.NEW.KJAX.TO.W.0003.150425T1700Z-150425T1730Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
100 PM EDT SAT APR 25 2015
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN COLUMBIA COUNTY IN NORTHERN FLORIDA...
SOUTHEASTERN HAMILTON COUNTY IN NORTHERN FLORIDA...
NORTHEASTERN SUWANNEE COUNTY IN NORTHERN FLORIDA...
* UNTIL 130 PM EDT
* AT 1259 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED
OVER SUWANNEE SPRINGS...AND MOVING EAST AT 40 MPH.
* LOCATIONS IMPACTED INCLUDE...
LIVE OAK...WHITE SPRINGS...SUWANNEE SPRINGS...WINFIELD...SUWANNEE
VALLEY AND BELMONT.
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 IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3053 8261 3026 8259 3027 8300 3044 8300
TIME...MOT...LOC 1659Z 268DEG 37KT 3038 8291
$$
PETERSON1 follow-up statement
503
WWUS52 KJAX 251721
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
121 PM EDT SAT APR 25 2015
FLC121-251730-
/O.CAN.KJAX.TO.W.0003.000000T0000Z-150425T1730Z/
SUWANNEE FL-
121 PM EDT SAT APR 25 2015
...THE TORNADO WARNING FOR NORTHEASTERN SUWANNEE COUNTY IS
CANCELLED...
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT
OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.
LAT...LON 3053 8261 3026 8259 3027 8279 3039 8280
TIME...MOT...LOC 1720Z 268DEG 37KT 3039 8266
$$
FLC023-047-251730-
/O.CON.KJAX.TO.W.0003.000000T0000Z-150425T1730Z/
COLUMBIA FL-HAMILTON FL-
121 PM EDT SAT APR 25 2015
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 PM EDT FOR
NORTHWESTERN COLUMBIA AND SOUTHEASTERN HAMILTON COUNTIES...
AT 120 PM EDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR
SUWANNEE VALLEY...OR 7 MILES NORTHEAST OF WHITE SPRINGS...MOVING EAST
AT 45 MPH.
LOCATIONS IMPACTED INCLUDE... WHITE SPRINGS AND SUWANNEE VALLEY.
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 IN A MOBILE
HOME OR OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND
PROTECT YOURSELF FROM FLYING DEBRIS.
&&
LAT...LON 3053 8261 3026 8259 3027 8279 3039 8280
TIME...MOT...LOC 1720Z 268DEG 37KT 3039 8266
$$
ZIBURAThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 3:34 AM EDT | Small Craft Advisory | JAX | 31 hr | |
| Apr 25, 12:24 PM EDT | Special Weather Statement | JAX | Hamilton | 51 min |
| Apr 25, 12:34 PM EDT | Tornado Warning | JAX | Hamilton, Suwannee | 26 min |
| Apr 25, 1:29 PM EDT | Tornado Warning | JAX | Baker, Columbia | 31 min |
| Apr 25, 1:57 PM EDT | Tornado Warning | JAX | Baker | 33 min |
| Apr 25, 2:18 PM EDT | Special Weather Statement | JAX | Duval | 42 min |
| Apr 25, 2:28 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Clay, Duval, Saint Johns | 47 min |
| Apr 25, 3:06 PM EDT | Tornado Warning | JAX | Clay, Duval, Saint Johns | 24 min |
| Apr 25, 3:25 PM EDT | Special Weather Statement | JAX | Saint Johns | 35 min |
| Apr 25, 3:29 PM EDT | Special Marine Warning | JAX | 2 hr | |
| Apr 25, 4:17 PM EDT | Severe Thunderstorm Warning | JAX | Hamilton | 28 min |
| Apr 25, 4:34 PM EDT | Severe Thunderstorm Warning | JAX | Columbia, Hamilton | 26 min |
| Apr 25, 4:53 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Columbia | 37 min |
| Apr 25, 5:29 PM EDT | Severe Thunderstorm Warning | JAX | Baker, Duval, Nassau | 31 min |
| Apr 25, 6:00 PM EDT | Severe Thunderstorm Warning | JAX | Duval, Saint Johns | 30 min |
| Apr 25, 6:03 PM EDT | Special Marine Warning | JAX | 87 min |
Nearby
Tornado Warnings in Florida, 2015Every tornado warning in 2015Tornadoes in 2015
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.