Alert archive / Florida / Tornado Warnings in 2012
Tornado Warning 17, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at May 28, 2012, 10:24 AM EDT for Duval County, Saint Johns County, Florida. It was in force for 20 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
- May 28, 2012, 10:24 AM EDT (14:24 UTC)
- Expired
- May 28, 2012, 10:44 AM EDT
- In force
- 20 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Duval County, FL, Saint Johns County, FL
The radar
The Jacksonville radar (KJAX), 34 km from the middle of the area, began a volume at 14:26 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, 2.4 hours before the alert went out and 35 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
- 39 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 464 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
820
WFUS52 KJAX 281424
TORJAX
FLC031-109-281515-
/O.NEW.KJAX.TO.W.0017.120528T1424Z-120528T1515Z/
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1024 AM EDT MON MAY 28 2012
THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A
* TORNADO WARNING FOR...
NORTHWESTERN ST. JOHNS COUNTY IN NORTHEAST FLORIDA
SOUTHEASTERN DUVAL COUNTY IN NORTHEAST FLORIDA
* UNTIL 1115 AM EDT
* AT 1024 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
BAYARD...OR NEAR FRUIT COVE...MOVING NORTH AT 25 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BAYARD...UNF...SAN PABLO...NEPTUNE BEACH AND FORT CAROLINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.
&&
LAT...LON 3010 8154 3012 8160 3040 8151 3036 8139
3033 8139
TIME...MOT...LOC 1424Z 200DEG 22KT 3012 8156
$$
ENYEDI3 follow-up statements
485
WWUS52 KJAX 281428
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1028 AM EDT MON MAY 28 2012
FLC109-281438-
/O.CAN.KJAX.TO.W.0017.000000T0000Z-120528T1515Z/
ST. JOHNS FL-
1028 AM EDT MON MAY 28 2012
...THE TORNADO WARNING FOR NORTHWESTERN ST. JOHNS COUNTY IS
CANCELLED...
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.
LAT...LON 3011 8153 3012 8154 3012 8157 3012 8159
3013 8160 3040 8151 3036 8139 3033 8139
TIME...MOT...LOC 1428Z 200DEG 22KT 3015 8155
$$
FLC031-281515-
/O.CON.KJAX.TO.W.0017.000000T0000Z-120528T1515Z/
DUVAL FL-
1028 AM EDT MON MAY 28 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 AM EDT FOR
SOUTHEASTERN DUVAL COUNTY...
AT 1028 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO. THIS TORNADO WAS LOCATED NEAR BAYARD...OR NEAR
FRUIT COVE...MOVING NORTH AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNF...
SAN PABLO AND FORT CAROLINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.
&&
LAT...LON 3011 8153 3012 8154 3012 8157 3012 8159
3013 8160 3040 8151 3036 8139 3033 8139
TIME...MOT...LOC 1428Z 200DEG 22KT 3015 8155
$$
ENYEDI177
WWUS52 KJAX 281436
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1036 AM EDT MON MAY 28 2012
FLC031-281515-
/O.CON.KJAX.TO.W.0017.000000T0000Z-120528T1515Z/
DUVAL FL-
1036 AM EDT MON MAY 28 2012
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1115 AM EDT FOR EASTERN
DUVAL COUNTY...
AT 1037 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO
TRACK A TORNADO. THIS TORNADO WAS LOCATED 7 MILES SOUTH OF UNF...OR
7 MILES EAST OF MANDARIN...MOVING NORTH AT 25 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO UNF...
SAN PABLO AND FORT CAROLINE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR
HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER
YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.
IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.
&&
LAT...LON 3016 8152 3019 8158 3040 8151 3036 8139
3033 8139
TIME...MOT...LOC 1437Z 200DEG 24KT 3022 8152
$$
ENYEDI688
WWUS52 KJAX 281444
SVSJAX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE JACKSONVILLE FL
1044 AM EDT MON MAY 28 2012
FLC031-281451-
/O.CAN.KJAX.TO.W.0017.000000T0000Z-120528T1515Z/
DUVAL FL-
1044 AM EDT MON MAY 28 2012
...THE TORNADO WARNING FOR EASTERN DUVAL COUNTY IS CANCELLED...
REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY
OR YOUR COUNTY EMERGENCY MANAGEMENT.
LAT...LON 3016 8152 3019 8158 3040 8151 3036 8139
3033 8139
TIME...MOT...LOC 1441Z 200DEG 24KT 3025 8151
$$
ENYEDIThe office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 8:55 PM EDT | Special Weather Statement | JAX | Duval, Nassau, Saint Johns | 35 min |
| May 27, 9:09 PM EDT | Special Weather Statement | JAX | Duval | 21 min |
| May 27, 9:30 PM EDT | Special Weather Statement | JAX | Duval, Nassau, Saint Johns | 30 min |
| May 27, 9:55 PM EDT | Special Weather Statement | JAX | Clay, Duval, Nassau | 35 min |
| May 27, 10:06 PM EDT | Special Weather Statement | JAX | Clay, Duval, Nassau | 24 min |
| May 27, 10:32 PM EDT | Special Weather Statement | JAX | Clay, Duval, Nassau, Putnam, Saint Johns | 43 min |
| May 27, 11:06 PM EDT | Special Weather Statement | JAX | Clay, Duval, Nassau, Putnam, Saint Johns | 39 min |
| May 27, 11:40 PM EDT | Special Weather Statement | JAX | Baker, Bradford, Clay, Duval, Flagler, Nassau and 3 more | 35 min |
| May 28, 12:32 AM EDT | Special Weather Statement | JAX | Nassau | 43 min |
| May 28, 1:17 AM EDT | Special Weather Statement | JAX | Nassau | 43 min |
| May 28, 5:20 AM EDT | Areal Flood Warning | JAX | Clay, Duval, Putnam, Saint Johns | 6 hr |
| May 28, 9:05 AM EDT | Flash Flood Warning | JAX | Duval | 3 hr |
| May 28, 9:26 AM EDT | Special Weather Statement | JAX | Duval | 64 min |
| May 28, 9:34 AM EDT | Special Weather Statement | JAX | Putnam | 26 min |
| May 28, 9:39 AM EDT | Tornado Warning | JAX | Duval, Nassau | 22 min |
| May 28, 10:02 AM EDT | Special Weather Statement | JAX | Duval | 43 min |
| May 28, 11:22 AM EDT | Special Weather Statement | JAX | Nassau | 38 min |
| May 28, 11:27 AM EDT | Lake Wind Advisory | JAX | Flagler, Gilchrist | 7 hr |
| May 28, 12:01 PM EDT | Small Craft Advisory | JAX | 48 hr | |
| May 28, 12:12 PM EDT | Special Marine Warning | JAX | 2 hr | |
| May 28, 12:42 PM EDT | Special Weather Statement | JAX | Duval, Nassau | 48 min |
| May 28, 1:27 PM EDT | Special Marine Warning | JAX | 63 min | |
| May 28, 2:02 PM EDT | Special Marine Warning | JAX | 118 min | |
| May 28, 2:37 PM EDT | Special Marine Warning | JAX | 45 min | |
| May 28, 2:50 PM EDT | Areal Flood Advisory | JAX | Gilchrist, Suwannee | 115 min |
| May 28, 4:06 PM EDT | Special Weather Statement | JAX | Marion | 39 min |
| May 28, 4:20 PM EDT | Special Weather Statement | JAX | Alachua, Baker, Bradford, Clay, Columbia, Duval and 7 more | 55 min |
| May 28, 5:04 PM EDT | Areal Flood Warning | JAX | Baker, Columbia, Gilchrist, Suwannee | 116 min |
| May 28, 5:19 PM EDT | Special Weather Statement | JAX | Alachua, Baker, Bradford, Clay, Columbia, Hamilton and 5 more | 56 min |
| May 28, 5:25 PM EDT | Severe Thunderstorm Warning | JAX | Marion | 50 min |
| May 28, 5:46 PM EDT | Special Weather Statement | JAX | Gilchrist | 44 min |
| May 28, 5:52 PM EDT | Severe Thunderstorm Warning | JAX | Clay, Duval, Nassau | 38 min |
| May 28, 6:19 PM EDT | Special Weather Statement | JAX | Putnam | 41 min |
| May 28, 6:45 PM EDT | Special Weather Statement | JAX | Alachua | 45 min |
| May 28, 6:58 PM EDT | Areal Flood Warning | JAX | Alachua, Baker, Bradford, Columbia, Gilchrist, Hamilton and 2 more | 6 hr |
| May 28, 7:18 PM EDT | Special Weather Statement | JAX | Marion | 42 min |
| May 28, 7:33 PM EDT | Special Weather Statement | JAX | Clay | 42 min |
| May 28, 7:54 PM EDT | Special Weather Statement | JAX | Marion | 51 min |
| May 28, 7:59 PM EDT | Special Weather Statement | JAX | Alachua, Bradford | 46 min |
Nearby
Tornado Warnings in Florida, 2012Every tornado warning in 2012Tornadoes in 2012
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.