Alert archive / Florida / Tornado Warnings in 2008
Tornado Warning 39, NWS Jacksonville, FL
NWS Jacksonville, FL issued this tornado warning at Aug 22, 2008, 9:02 PM EDT for Clay County, Duval County, Saint Johns County, Florida. It was in force for 43 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
- Aug 22, 2008, 9:02 PM EDT (01:02 UTC)
- Expired
- Aug 22, 2008, 9:45 PM EDT
- In force
- 43 min
- Issued by
- NWS Jacksonville, FL
- Area
- Storm-based polygon
Counties Clay County, FL, Duval County, FL, Saint Johns County, FL
The radar
The Jacksonville radar (KJAX), 38 km from the middle of the area, began a volume at 01:05 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 |
|---|---|---|---|
| Aug 22, 10:48 AM EDT | Tornado Watch | SPC | 11 hr |
The nearest sounding before it
Jacksonville, FL (KJAX), launched 00:00Z, 1.0 hours before the alert went out and 40 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
- 1123 J/kg
- Mixed-layer CIN
- -18 J/kg
- Mixed-layer LCL
- 610 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 108 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WFUS52 KJAX 230102 TORJAX FLC019-031-109-230145- /O.NEW.KJAX.TO.W.0039.080823T0102Z-080823T0145Z/ BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE JACKSONVILLE FL 902 PM EDT FRI AUG 22 2008 THE NATIONAL WEATHER SERVICE IN JACKSONVILLE HAS ISSUED A * TORNADO WARNING FOR... EASTERN CLAY COUNTY IN NORTHEAST FLORIDA NORTHWESTERN ST. JOHNS COUNTY IN NORTHEAST FLORIDA SOUTHWESTERN DUVAL COUNTY IN NORTHEAST FLORIDA * UNTIL 945 PM EDT * AT 902 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR GREEN COVE SPRINGS...OR 10 MILES SOUTH OF FRUIT COVE...MOVING NORTH AT 37 MPH. * OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO SWITZERLAND...FRUIT COVE...MANDARIN...DOCTORS INLET...LAKESIDE... ORANGE PARK...ORTEGA...RIVERSIDE AND NORMANDY. 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. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FRIDAY EVENING FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. LAT...LON 3029 8198 3037 8169 2994 8155 2987 8174 TIME...MOT...LOC 0102Z 160DEG 32KT 3000 8169 $$ DEESE
4 follow-up statements
000 WWUS52 KJAX 230108 SVSJAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 908 PM EDT FRI AUG 22 2008 FLC019-031-109-230145- /O.CON.KJAX.TO.W.0039.000000T0000Z-080823T0145Z/ CLAY FL-ST. JOHNS FL-DUVAL FL- 909 PM EDT FRI AUG 22 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR SOUTHWESTERN DUVAL...WESTERN ST. JOHNS AND EASTERN CLAY COUNTIES... AT 909 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR SWITZERLAND...OR 6 MILES SOUTHWEST OF FRUIT COVE...MOVING NORTH AT 37 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO MANDARIN...DOCTORS INLET...LAKESIDE...ORANGE PARK...BELLAIR... ORTEGA...JACKSONVILLE HEIGHTS...RIVERSIDE AND NORMANDY. SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FRIDAY EVENING FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. LAT...LON 3029 8198 3037 8169 2994 8155 2987 8174 TIME...MOT...LOC 0109Z 160DEG 32KT 3008 8172 $$ DEESE
000 WWUS52 KJAX 230122 SVSJAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 922 PM EDT FRI AUG 22 2008 FLC109-230132- /O.CAN.KJAX.TO.W.0039.000000T0000Z-080823T0145Z/ ST. JOHNS FL- 922 PM EDT FRI AUG 22 2008 ...THE TORNADO WARNING FOR WESTERN ST. JOHNS COUNTY IS CANCELLED... REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FRIDAY EVENING FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. LAT...LON 3009 8186 3029 8198 3037 8169 3014 8162 TIME...MOT...LOC 0122Z 160DEG 32KT 3019 8177 $$ FLC019-031-230145- /O.CON.KJAX.TO.W.0039.000000T0000Z-080823T0145Z/ CLAY FL-DUVAL FL- 922 PM EDT FRI AUG 22 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR SOUTHWESTERN DUVAL AND NORTHERN CLAY COUNTIES... AT 922 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR LAKESIDE...MOVING NORTH AT 37 MPH. OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ORTEGA...JACKSONVILLE HEIGHTS...RIVERSIDE AND NORMANDY. SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FRIDAY EVENING FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. LAT...LON 3009 8186 3029 8198 3037 8169 3014 8162 TIME...MOT...LOC 0122Z 160DEG 32KT 3019 8177 $$ DEESE
000 WWUS52 KJAX 230135 SVSJAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 935 PM EDT FRI AUG 22 2008 FLC019-230145- /O.CAN.KJAX.TO.W.0039.000000T0000Z-080823T0145Z/ CLAY FL- 935 PM EDT FRI AUG 22 2008 ...THE TORNADO WARNING FOR NORTHERN CLAY COUNTY IS CANCELLED... REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FRIDAY EVENING FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. LAT...LON 3019 8188 3030 8194 3036 8173 3021 8169 TIME...MOT...LOC 0135Z 160DEG 32KT 3030 8182 $$ FLC031-230145- /O.CON.KJAX.TO.W.0039.000000T0000Z-080823T0145Z/ DUVAL FL- 935 PM EDT FRI AUG 22 2008 ...A TORNADO WARNING REMAINS IN EFFECT UNTIL 945 PM EDT FOR CENTRAL DUVAL COUNTY... AT 935 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A TORNADO. THIS TORNADO WAS LOCATED NEAR JACKSONVILLE HEIGHTS...OR 10 MILES WEST OF DOWNTOWN JACKSONVILLE...MOVING NORTH AT 37 MPH. THE TORNADO WILL OTHERWISE REMAIN OVER MAINLY RURAL AREAS OF THE INDICATED COUNTY. SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS. IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FRIDAY EVENING FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. LAT...LON 3019 8188 3030 8194 3036 8173 3021 8169 TIME...MOT...LOC 0135Z 160DEG 32KT 3030 8182 $$ DEESE
000 WWUS52 KJAX 230141 SVSJAX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE JACKSONVILLE FL 941 PM EDT FRI AUG 22 2008 FLC031-230152- /O.EXP.KJAX.TO.W.0039.000000T0000Z-080823T0145Z/ DUVAL FL- 942 PM EDT FRI AUG 22 2008 ...THE TORNADO WARNING FOR CENTRAL DUVAL COUNTY WILL EXPIRE AT 945 PM EDT... REPORT SEVERE WEATHER OR DAMAGE TO THE NEAREST LAW ENFORCEMENT AGENCY OR YOUR COUNTY EMERGENCY MANAGEMENT. A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM EDT FRIDAY EVENING FOR NORTHEAST FLORIDA AND SOUTHEAST GEORGIA. LAT...LON 3019 8188 3030 8194 3036 8173 3021 8169 TIME...MOT...LOC 0142Z 160DEG 32KT 3036 8185 $$ DEESE
The office that day
Everything else NWS Jacksonville, FL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 8:16 PM EDT | Areal Flood Advisory | JAX | Clay, Putnam, Saint Johns | 4 hr |
| Aug 22, 8:27 PM EDT | Areal Flood Warning | JAX | Duval | 12 hr |
| Aug 22, 9:30 PM EDT | Areal Flood Warning | JAX | Clay | 8 hr |
| Aug 22, 9:37 PM EDT | Areal Flood Advisory | JAX | Alachua, Bradford, Union | 4 hr |
| Aug 23, 12:43 AM EDT | Coastal Flood Statement | JAX | Flagler, Nassau | 17 hr |
| Aug 23, 12:46 AM EDT | Areal Flood Advisory | JAX | Alachua, Columbia, Gilchrist, Hamilton, Suwannee, Union | 119 min |
| Aug 23, 2:50 AM EDT | Areal Flood Advisory | JAX | Alachua, Columbia, Gilchrist, Hamilton, Suwannee, Union | 4 hr |
| Aug 23, 3:07 AM EDT | Areal Flood Warning | JAX | Gilchrist, Suwannee | 3 hr |
| Aug 23, 3:45 AM EDT | Severe Thunderstorm Warning | JAX | Hamilton, Suwannee | 44 min |
| Aug 23, 4:06 AM EDT | Small Craft Advisory | JAX | 10 hr | |
| Aug 23, 4:23 AM EDT | Areal Flood Advisory | JAX | Columbia, Hamilton | 3 hr |
| Aug 23, 5:18 AM EDT | Lake Wind Advisory | JAX | Baker, Bradford, Flagler, Gilchrist, Nassau, Suwannee and 1 more | 14 hr |
| Aug 23, 6:46 AM EDT | Areal Flood Advisory | JAX | Suwannee | 89 min |
| Aug 23, 8:10 AM EDT | Areal Flood Advisory | JAX | Hamilton, Suwannee | 4 hr |
| Aug 23, 3:22 PM EDT | Severe Thunderstorm Warning | JAX | Alachua, Bradford, Columbia, Gilchrist, Union | 38 min |
| Aug 23, 3:56 PM EDT | Tornado Warning | JAX | Alachua, Baker, Columbia, Hamilton, Union | 64 min |
| Aug 23, 4:17 PM EDT | Severe Thunderstorm Warning | JAX | Clay | 43 min |
| Aug 23, 4:32 PM EDT | Tornado Warning | JAX | Columbia, Hamilton | 43 min |
| Aug 23, 5:25 PM EDT | Areal Flood Advisory | JAX | Alachua, Bradford, Clay, Marion, Putnam | 4 hr |
| Aug 23, 5:43 PM EDT | Areal Flood Advisory | JAX | Alachua, Baker, Columbia, Gilchrist, Hamilton, Suwannee and 1 more | 4 hr |
| Aug 23, 5:55 PM EDT | Tornado Warning | JAX | Putnam | 20 min |
Nearby
Tornado Warnings in Florida, 2008Every tornado warning in 2008Tornadoes in 2008
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.