Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tampa Bay, FL

October 28, 20214 counties in Florida

NWS Tampa Bay, FL issued this special weather statement at Oct 28, 2021, 3:36 PM EDT for 4 counties in Florida. It was in force for 39 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: Oct 28, 2021, 3:36 PM EDT (19:36 UTC)
Expired: Oct 28, 2021, 4:15 PM EDT
In force: 39 min
Issued by: NWS Tampa Bay, FL
Hail: 0.00 in
Wind: 40

Counties Charlotte County, FL, DeSoto County, FL, Hardee County, FL, Highlands County, FL

The radar

The Melbourne radar (KMLB), 99 km from the middle of the area, began a volume at 19:40 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 nearest sounding before it

Tampa Bay, FL (KTBW), launched 12:00Z, 7.6 hours before the alert went out and 111 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1406 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 675 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 211 m²/s²
0-3 km storm-relative helicity: 236 m²/s²
Significant tornado parameter: 1.5
Supercell composite: 10.9

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Oct 28, 2:57 PM EDT, 39 minutes earlier.

Area forecast discussion, Oct 28, 2:57 PM EDT, 39 minutes before

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Hazardous weather outlook, Oct 28, 6:05 AM EDT, 9 hours 31 minutes before

Hazardous Weather Outlook
National Weather Service Tampa Bay Ruskin FL
605 AM EDT Thu Oct 28 2021

FLZ043-050-052-056-057-061-139-142-148-149-151-155-160-162-165-
239-242-248-249-251-255-260-262-265-GMZ830-836-850-853-856-870-
873-876-282215-
Sumter-Pinellas-Polk-Hardee-Highlands-DeSoto-Coastal Levy-
Coastal Citrus-Coastal Hernando-Coastal Pasco-
Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-Inland Levy-Inland Citrus-
Inland Hernando-Inland Pasco-Inland Hillsborough-Inland Manatee-
Inland Sarasota-Inland Charlotte-Inland Lee-Tampa Bay waters-
Charlotte Harbor and Pine Island Sound-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
605 AM EDT Thu Oct 28 2021

This Hazardous Weather Outlook is for West Central And Southwest
Florida.

.DAY ONE...Today and Tonight.

...THUNDERSTORM IMPACT...
Widespread thunderstorms are expected to move across the area
today, with some severe storms possible. The strongest
thunderstorms will be capable of producing strong gusty winds,
locally heavy rains, and isolated tornadoes.

...COASTAL FLOOD IMPACT...
Thursday night and Friday morning conditions will be favorable
for minor coastal flooding along the Nature Coast. Coastal
residents should be alert for later statements or warnings, and
take action to protect property.

...RIP CURRENT IMPACT...
Today through Saturday, high surf may produce strong and frequent
rip currents along area beaches.

...MARINE IMPACTS...
A strong cold front will move east across the waters today,
bringing widespread thunderstorms with strong gusty winds and
rough seas, along with isolated waterspouts. The thunderstorms
will clear out from northwest to southeast this evening behind
the front. However, wind speeds of 20 to 30 knots with gusts to
near gale strength will remain through at least Friday evening,
creating seas of up to 10 to 12 feet offshore and hazardous
boating conditions for small craft operators. Conditions will
gradually improve through the weekend.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

...COASTAL FLOOD IMPACT...
Friday morning conditions will be favorable for minor coastal
flooding along the Nature Coast. Coastal residents should be alert
for later statements or warnings, and take action to protect
property.

...RIP CURRENT IMPACT...
Friday through Saturday, high surf may produce strong and
frequent rip currents along area beaches.

...MARINE IMPACTS...
Wind speeds of 20 to 30 knots with gusts to near gale strength
will remain through at least Friday evening, creating seas of up
to 10 to 12 feet offshore and hazardous boating conditions for
small craft operators. Conditions will gradually improve through
the weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed. Please relay any information
about observed severe weather to the NWS while following all
local, state, and CDC guidelines.

Hurt

In the hours before

Local storm report, Oct 28, 1:47 PM EDT, 1 hour 49 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
147 PM EDT THU OCT 28 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0131 PM     TSTM WND GST     2 NNE BELLEAIR          27.96N 82.80W
10/28/2021  M44 MPH          PINELLAS           FL   MESONET

            MESONET STATION FW8592 SEMINOLE.

&&

JCM

Special weather statement, Oct 28, 1:59 PM EDT, 1 hour 37 minutes before

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Local storm report, Oct 28, 2:27 PM EDT, 1 hour 9 minutes before

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Special weather statement, Oct 28, 2:46 PM EDT, 50 minutes before

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Local storm report, Oct 28, 3:14 PM EDT, 22 minutes before

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Special weather statement, Oct 28, 3:36 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Oct 28, 4:01 AM EDT	Gale Warning	TBW		43 hr
Oct 28, 4:01 AM EDT	Small Craft Advisory	TBW		64 hr
Oct 28, 7:42 AM EDT	Special Marine Warning	TBW		33 min
Oct 28, 10:16 AM EDT	Special Marine Warning	TBW		59 min
Oct 28, 10:48 AM EDT	Special Weather Statement	TBW	Levy	42 min
Oct 28, 11:15 AM EDT	Special Marine Warning	TBW		60 min
Oct 28, 11:29 AM EDT	Special Weather Statement	TBW	Citrus, Levy	61 min
Oct 28, 12:17 PM EDT	Special Marine Warning	TBW		58 min
Oct 28, 12:29 PM EDT	Special Weather Statement	TBW	Citrus, Hernando, Pasco, Sumter	61 min
Oct 28, 1:00 PM EDT	Severe Thunderstorm Warning	TBW	Hillsborough, Pasco, Pinellas, Polk	45 min
Oct 28, 1:02 PM EDT	Special Weather Statement	TBW	Hillsborough, Manatee, Pinellas, Sarasota	58 min
Oct 28, 1:16 PM EDT	Tornado Warning	TBW	Hillsborough, Pinellas	13 min
Oct 28, 1:18 PM EDT	Special Marine Warning	TBW		57 min
Oct 28, 1:19 PM EDT	Tornado Warning	TBW	Manatee, Sarasota	26 min
Oct 28, 1:33 PM EDT	Special Weather Statement	TBW	Sumter	42 min
Oct 28, 1:52 PM EDT	Tornado Warning	TBW	Hardee, Manatee, Sarasota	23 min
Oct 28, 1:59 PM EDT	Special Weather Statement	TBW	Hillsborough, Manatee, Sarasota	46 min
Oct 28, 2:10 PM EDT	Special Marine Warning	TBW		65 min
Oct 28, 2:14 PM EDT	Tornado Warning	TBW	Manatee	16 min
Oct 28, 2:27 PM EDT	Tornado Warning	TBW	Hardee, Manatee	18 min
Oct 28, 2:46 PM EDT	Special Weather Statement	TBW	DeSoto, Hardee, Polk	44 min
Oct 28, 2:54 PM EDT	Tornado Warning	TBW	Manatee, Sarasota	21 min
Oct 28, 2:57 PM EDT	Tornado Warning	TBW	DeSoto	18 min
Oct 28, 3:11 PM EDT	Tornado Warning	TBW	DeSoto, Hardee	19 min
Oct 28, 3:18 PM EDT	Special Marine Warning	TBW		57 min
Oct 28, 4:29 PM EDT	Special Marine Warning	TBW		46 min

Nearby

Special Weather Statements in Florida, 2021 Every special weather statement in 2021

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.