Alert archive / Florida / Special Weather Statements in 2021

Special Weather Statement, NWS Tampa Bay, FL

August 24, 2021Hillsborough County, Florida

NWS Tampa Bay, FL issued this special weather statement at Aug 24, 2021, 6:22 PM EDT for Hillsborough County, Florida. It was in force for 38 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: Aug 24, 2021, 6:22 PM EDT (22:22 UTC)
Expired: Aug 24, 2021, 7:00 PM EDT
In force: 38 min
Issued by: NWS Tampa Bay, FL
Hail: 0.75 in
Wind: 40

County Hillsborough County, FL

The radar

The Tampa radar (KTBW), 46 km from the middle of the area, began a volume at 22:25 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

Cape Canaveral, FL (KXMR), launched 12:00Z, 10.4 hours before the alert went out and 163 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: 183 J/kg
Mixed-layer CIN: -184 J/kg
Mixed-layer LCL: 1585 m above ground
0-6 km bulk shear: 6 kt
0-1 km storm-relative helicity: -18 m²/s²
0-3 km storm-relative helicity: -30 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Aug 24, 1:54 PM EDT, 4 hours 28 minutes earlier.

Area forecast discussion, Aug 24, 1:54 PM EDT, 4 hours 28 minutes before

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In the hours before

Special weather statement, Aug 24, 3:23 PM EDT, 2 hours 59 minutes before

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Local storm report, Aug 24, 3:33 PM EDT, 2 hours 49 minutes before

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Local storm report, Aug 24, 3:50 PM EDT, 2 hours 32 minutes before

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Local storm report, Aug 24, 5:36 PM EDT, 46 minutes before

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Local storm report, Aug 24, 5:40 PM EDT, 42 minutes before

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Special weather statement, Aug 24, 6:22 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
Aug 24, 3:23 PM EDT	Special Weather Statement	TBW	Pinellas	37 min
Aug 24, 4:50 PM EDT	Special Marine Warning	TBW		25 min
Aug 24, 6:49 PM EDT	Special Weather Statement	TBW	Lee	41 min
Aug 24, 6:58 PM EDT	Special Weather Statement	TBW	Hillsborough	47 min
Aug 24, 7:14 PM EDT	Areal Flood Advisory	TBW	Levy	3 hr

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.