Tornado Watch 545

Issued

Sep 27, 2022, 4:45 PM EDT (20:45 UTC)

Expired

Sep 28, 2022, 5:00 AM EDT

In force

12 hr

Issued by

the Storm Prediction Center

Largest hail expected

0.5 in

Strongest gust expected

50 kt

Counties Broward County, FL, Collier County, FL, Glades County, FL, Hendry County, FL, Indian River County, FL, Martin County, FL, Miami-Dade County, FL, Monroe County, FL, Okeechobee County, FL, Palm Beach County, FL, Saint Lucie County, FL

The Miami radar (KAMX), 100 km from the middle of the area, began a volume at 20:50 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.

Two or more tornadoes

50%

One or more EF2 to EF5 tornadoes

20%

Ten or more severe wind reports

5%

One or more gusts of 65 knots or more

5%

Ten or more severe hail reports

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

20%

• Mesoscale Discussion 1834 Tornado watch 544Sep 27, 3:04 PM EDT
• Mesoscale Discussion 1835 Severe potential...watch needed soonSep 27, 4:27 PM EDT
• Mesoscale Discussion 1837 Tornado watch 545Sep 27, 6:39 PM EDT
• Mesoscale Discussion 1838 Tornado watch 545Sep 27, 9:46 PM EDT
• Mesoscale Discussion 1839 Tornado watch 545Sep 28, 2:38 AM EDT

579 
WWUS20 KWNS 272040
SEL5  
SPC WW 272040
FLZ000-CWZ000-280900-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 545
NWS Storm Prediction Center Norman OK
445 PM EDT Tue Sep 27 2022

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Central and south Florida
  Coastal Waters

* Effective this Tuesday afternoon and Wednesday morning from 445
  PM until 500 AM EDT.

* Primary threats include...
  A few tornadoes possible

SUMMARY...Major Hurricane Ian will continue to move
north-northeastward toward the southwest Florida coast through early
Wednesday.  East and northeast of the center, occasional supercells
and a few tornadoes will be possible this afternoon across south
Florida and the Keys, and overnight into parts of central Florida.

The tornado watch area is approximately along and 90 statute miles
north and south of a line from 50 miles south southwest of Naples FL
to 20 miles south southeast of West Palm Beach FL. For a complete
depiction of the watch see the associated watch outline update
(WOUS64 KWNS WOU5).

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...This tornado watch replaces tornado
watch number 544. Watch number 544 will not be in effect after
445 PM EDT. 

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 0.5 inches. Extreme turbulence and surface wind
gusts to 50 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 17040.

...Thompson

Tornado Watches in Florida, 2022Every tornado watch in 2022

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.