Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
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Watch Status Reports.
SEL3
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 143
NWS Storm Prediction Center Norman OK
650 PM EDT Thu Apr 23 2020
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
North Florida
Far southeast Georgia
Coastal Waters
* Effective this Thursday night from 650 PM until Midnight EDT.
* Primary threats include...
A couple tornadoes possible
Scattered damaging wind gusts to 70 mph likely
SUMMARY...A squall line across the eastern Florida Panhandle and far
southwest Georgia should progress east across north Florida and far
southeast Georgia this evening. Damaging winds and brief tornadoes
are the expected hazards.
The tornado watch area is approximately along and 55 statute miles
north and south of a line from 60 miles northwest of Gainesville FL
to 25 miles east southeast of Jacksonville FL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU3).
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.
&&
OTHER WATCH INFORMATION...CONTINUE...WW 141...WW 142...
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 1 inch. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 26040.
...Grams
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW3
WW 143 TORNADO FL GA CW 232250Z - 240400Z
AXIS..55 STATUTE MILES NORTH AND SOUTH OF LINE..
60NW GNV/GAINESVILLE FL/ - 25ESE JAX/JACKSONVILLE FL/
..AVIATION COORDS.. 50NM N/S /42N CTY - 11E CRG/
HAIL SURFACE AND ALOFT..1 INCH. WIND GUSTS..60 KNOTS.
MAX TOPS TO 500. MEAN STORM MOTION VECTOR 26040.
LAT...LON 31098298 31168129 29568129 29508298
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU3.
Watch 143 Status Report Messages:
STATUS REPORT #3 ON WW 143
VALID 240220Z - 240340Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 10 SSE CTY
TO 30 WSW JAX TO 20 NE SSI.
..LYONS..04/24/20
ATTN...WFO...JAX...
&&
STATUS REPORT FOR WT 143
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC001-007-019-031-041-107-109-125-240340-
FL
. FLORIDA COUNTIES INCLUDED ARE
ALACHUA BRADFORD CLAY
DUVAL GILCHRIST PUTNAM
ST. JOHNS UNION
$$
AMZ450-452-240340-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT 20
NM
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #2 ON WW 143
VALID 240125Z - 240240Z
SEVERE WEATHER THREAT CONTINUES RIGHT OF A LINE FROM 40 SSE VLD
TO 25 WNW SSI.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 464
..LYONS..04/24/20
ATTN...WFO...JAX...
&&
STATUS REPORT FOR WT 143
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC001-003-007-019-023-031-041-089-107-109-125-240240-
FL
. FLORIDA COUNTIES INCLUDED ARE
ALACHUA BAKER BRADFORD
CLAY COLUMBIA DUVAL
GILCHRIST NASSAU PUTNAM
ST. JOHNS UNION
$$
GAC039-049-240240-
GA
. GEORGIA COUNTIES INCLUDED ARE
CAMDEN CHARLTON
$$
AMZ450-452-240240-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT 20
NM
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
STATUS REPORT #1 ON WW 143
VALID 232340Z - 240040Z
THE SEVERE WEATHER THREAT CONTINUES ACROSS THE ENTIRE WATCH AREA.
FOR ADDITIONAL INFORMATION SEE MESOSCALE DISCUSSION 463
..LYONS..04/23/20
ATTN...WFO...JAX...
&&
STATUS REPORT FOR WT 143
SEVERE WEATHER THREAT CONTINUES FOR THE FOLLOWING AREAS
FLC001-003-007-019-023-031-041-047-089-107-109-121-125-240040-
FL
. FLORIDA COUNTIES INCLUDED ARE
ALACHUA BAKER BRADFORD
CLAY COLUMBIA DUVAL
GILCHRIST HAMILTON NASSAU
PUTNAM ST. JOHNS SUWANNEE
UNION
$$
GAC039-049-065-101-299-240040-
GA
. GEORGIA COUNTIES INCLUDED ARE
CAMDEN CHARLTON CLINCH
ECHOLS WARE
$$
AMZ450-452-240040-
CW
. ADJACENT COASTAL WATERS INCLUDED ARE
COASTAL WATERS FROM ALTAMAHA SOUND TO FERNANDINA BEACH FL OUT 20
NM
COASTAL WATERS FROM FERNANDINA BEACH TO ST. AUGUSTINE FL OUT 20
NM
$$
THE WATCH STATUS MESSAGE IS FOR GUIDANCE PURPOSES ONLY. PLEASE
REFER TO WATCH COUNTY NOTIFICATION STATEMENTS FOR OFFICIAL
INFORMATION ON COUNTIES...INDEPENDENT CITIES AND MARINE ZONES
CLEARED FROM SEVERE THUNDERSTORM AND TORNADO WATCHES.
$$
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (40%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (20%)
|
Wind
Probability of 10 or more severe wind events
|
Mod (60%)
|
Probability of 1 or more wind events > 65 knots
|
Low (20%)
|
Hail
Probability of 10 or more severe hail events
|
Low (10%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
High (70%)
|
For each watch, probabilities for particular events inside the watch
(listed above in each table) are determined by the issuing forecaster.
The "Low" category contains probability values ranging from less than 2%
to 20% (EF2-EF5 tornadoes), less than 5% to 20% (all other probabilities),
"Moderate" from 30% to 60%, and "High" from 70% to greater than 95%.
High values are bolded and lighter in color to provide awareness of
an increased threat for a particular event.