Alert archive / Florida / Severe Thunderstorm Warnings in 2020

Severe Thunderstorm Warning 40, NWS Tampa Bay, FL

July 29, 2020Charlotte County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jul 29, 2020, 5:42 PM EDT for Charlotte County, Florida. It was in force for 22 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 29, 2020, 5:42 PM EDT (21:42 UTC)
Expired
Jul 29, 2020, 6:04 PM EDT
In force
22 min
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

County Charlotte County, FL

The radar

The Tampa radar (KTBW), 100 km from the middle of the area, began a volume at 21:42 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.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tampa Bay, FL wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 29, 2:13 PM EDT, 3 hours 29 minutes earlier.

Area forecast discussion, Jul 29, 2:13 PM EDT, 3 hours 29 minutes before
Area Forecast Discussion
National Weather Service Tampa Bay Ruskin FL
213 PM EDT Wed Jul 29 2020

.DISCUSSION...
Upper level ridging south of Bermuda ridges west-southwest over
Florida and into the Gulf of Mexico. The surface ridge is currently
extending through Central Florida, which will keep us in a warm and
moist environment with light southeast through southwest winds over
Florida. Some minor fluctuations with the location of the ridge axis
will occur through the end of the week, but overall no significant
change in the synoptic pattern is expected through the end of the
week. This will allow for a typical summertime pattern with
afternoon sea breeze showers and storms each day through the end of
the week. The change in the weather over the area will start on
Saturday as Potential Tropical Cyclone Nine (PTC 9) moves closer to
the area. There is still a lot of uncertainty as far as the track
and intensity of PTC 9 in the mid and long term forecast, but the
current track has it tracking off the southwest coast of Florida on
Sunday and tracking toward the Big Bend of Florida on Monday. Either
way, it looks to be a wet and windy weekend across west central and
southwest Florida. Temperatures will run around average with heat
indices in the 100-105 degree range.

&&

.AVIATION...
The sea breeze will set up along the west coast between 18-21Z and
will bring onshore winds during the afternoon. Showers and storms
are expected during that time, so will hold VCTS at all terminals.
Brief periods of MVFR will be possible for lower CIGs and VSBY in
passing showers and storms. Conditions clear between 00Z-03Z this
evening with no other aviation impacts expected.

&&

.MARINE...
High pressure ridging into the Gulf of Mexico will keep a southeast
through southwest wind flow around 10 knots or less through the end
of the week. Scattered showers and storms can be expected during the
afternoon each day. Higher wind gusts and rough seas as well as
dangerous lightning can be expected in the vicinity of passing
thunderstorms. Conditions begin to deteriorate on Saturday and
Sunday as Potential Tropical Cyclone Nine approaches the area from
the southeast. The timing and exact track of the storm is uncertain,
but mariners should plan accordingly this weekend through the
beginning of next week to ensure safety if you have plans to be on
the gulf coast waters.

&&

.FIRE WEATHER...
Scattered showers and isolated storms can be expected each day for
the next week. These showers combined with high humidities each day
will preclude any fire weather concerns.

&&

.Preliminary Point Temps/PoPs...
TPA  77  93  78  95 /  20  30   0  10
FMY  75  93  76  95 /  30  30   0  20
GIF  74  94  75  95 /  30  40  10  20
SRQ  76  92  78  94 /  20  20   0  10
BKV  73  92  74  94 /  10  30   0  10
SPG  77  92  78  94 /  10  20   0  10

&&

.TBW WATCHES/WARNINGS/ADVISORIES...
FL...None.
Gulf waters...None.

&&

DISCUSSION/AVIATION/MARINE/FIRE WEATHER...74/Wynn
DECISION SUPPORT...69/Close

In the hours before

Special weather statement, Jul 29, 4:26 PM EDT, 1 hour 16 minutes before
Special Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
426 PM EDT Wed Jul 29 2020

FLZ162-165-265-292115-
Coastal Charlotte FL-Inland Lee FL-Coastal Lee FL-
426 PM EDT Wed Jul 29 2020

...SIGNIFICANT WEATHER ADVISORY FOR NORTH CENTRAL LEE COUNTY UNTIL
515 PM EDT...

At 426 PM EDT, Doppler radar was tracking a strong thunderstorm near
Palmona Park, or 8 miles northwest of Fort Myers. This storm was
nearly stationary.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Cape Coral, Fort Myers, Lochmoor Waterway Estates, Matlacha
Isles-Matlacha Shores, Palmona Park, Burnt Store Marina and North
Fort Myers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 2663 8206 2678 8206 2679 8198 2676 8189
      2662 8190
TIME...MOT...LOC 2026Z 179DEG 2KT 2671 8196

TBW
Special weather statement, Jul 29, 5:33 PM EDT, 9 minutes before
Special Weather Statement
National Weather Service Tampa Bay Area Ruskin FL
533 PM EDT Wed Jul 29 2020

FLZ162-262-292200-
Coastal Charlotte FL-Inland Charlotte FL-
533 PM EDT Wed Jul 29 2020

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL CHARLOTTE COUNTY UNTIL
600 PM EDT...

At 533 PM EDT, Doppler radar was tracking a strong thunderstorm over
Charlotte County Airport, or near Punta Gorda, moving north at 10
mph.

Half inch hail and winds in excess of 40 mph will be possible with
this storm.

Locations impacted include...
Punta Gorda, Charlotte County Airport, Pirate Harbor, Solana,
Tropical Gulf Acres, Harbour Heights, Charlotte Park, Cleveland and
Charlotte Harbor.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

&&

LAT...LON 2681 8189 2680 8206 2694 8208 2702 8202
      2698 8191
TIME...MOT...LOC 2133Z 169DEG 11KT 2690 8198

TBW
Local storm report, Jul 29, 5:40 PM EDT, 2 minutes before
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The office that day

Everything else NWS Tampa Bay, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 29, 4:26 PM EDTSpecial Weather StatementTBWLee49 min
Jul 29, 5:33 PM EDTSpecial Weather StatementTBWCharlotte27 min
Jul 29, 5:58 PM EDTSpecial Marine WarningTBW32 min
Jul 29, 6:14 PM EDTSpecial Weather StatementTBWHillsborough46 min
Jul 29, 6:15 PM EDTSpecial Weather StatementTBWLee30 min
Jul 29, 7:03 PM EDTSpecial Weather StatementTBWDeSoto42 min

Nearby

Severe Thunderstorm Warnings in Florida, 2020Every severe thunderstorm warning in 2020

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.