Note:
The expiration time in the watch graphic is amended if the watch is
replaced, cancelled or extended.
Note: Click for
Watch Status Reports.
SEL4
URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 544
NWS Storm Prediction Center Norman OK
855 AM EDT Tue Sep 27 2022
The NWS Storm Prediction Center has issued a
* Tornado Watch for portions of
South Florida
Coastal Waters
* Effective this Tuesday morning and afternoon from 855 AM until
500 PM EDT.
* Primary threats include...
A few tornadoes possible
SUMMARY...Hurricane Ian will continue to move north-northeastward
and likely further intensify as per the National Hurricane Center. A
very moist airmass and strengthening low-level shear will support an
increasing tornado potential from the Florida Keys across the
southern Peninsula through the afternoon.
The tornado watch area is approximately along and 80 statute miles
north and south of a line from 70 miles west northwest of Key West
FL to 20 miles east southeast of Miami FL. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU4).
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.
&&
AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 0 inches. Extreme turbulence and surface wind
gusts to 60 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 14020.
...Guyer
Note:
The Aviation Watch (SAW) product is an approximation to the watch area.
The actual watch is depicted by the shaded areas.
SAW4
WW 544 TORNADO FL CW 271255Z - 272100Z
AXIS..80 STATUTE MILES NORTH AND SOUTH OF LINE..
70WNW EYW/KEY WEST FL/ - 20ESE MIA/MIAMI FL/
..AVIATION COORDS.. 70NM N/S /58WNW EYW - 18ESE MIA/
WIND GUSTS..60 KNOTS.
MAX TOPS TO 500.MEAN STORM MOTION VECTOR 14020.
LAT...LON 26098280 26857998 24537998 23788280
THIS IS AN APPROXIMATION TO THE WATCH AREA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE WOUS64 KWNS
FOR WOU4.
Watch 544 Status Report Message has not been issued yet.
Note:
Click for Complete Product Text.
Tornadoes
Probability of 2 or more tornadoes
|
Mod (50%)
|
Probability of 1 or more strong (EF2-EF5) tornadoes
|
Low (10%)
|
Wind
Probability of 10 or more severe wind events
|
Low (<5%)
|
Probability of 1 or more wind events > 65 knots
|
Low (<5%)
|
Hail
Probability of 10 or more severe hail events
|
Low (<5%)
|
Probability of 1 or more hailstones > 2 inches
|
Low (<5%)
|
Combined Severe Hail/Wind
Probability of 6 or more combined severe hail/wind events
|
Low (20%)
|
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.