Alert archive / Florida / Severe Thunderstorm Warnings in 2023

Severe Thunderstorm Warning 49, NWS Tampa Bay, FL

June 19, 2023Polk County, Florida

NWS Tampa Bay, FL issued this severe thunderstorm warning at Jun 19, 2023, 8:33 PM EDT for Polk County, Florida. It was in force for 37 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: Jun 19, 2023, 8:33 PM EDT (00:33 UTC)
Expired: Jun 19, 2023, 9:10 PM EDT
In force: 37 min
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

County Polk County, FL

The radar

The Tampa radar (KTBW), 74 km from the middle of the area, began a volume at 00:36 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 00:00Z, 0.6 hours before the alert went out and 131 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: 2961 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 927 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 62 m²/s²
0-3 km storm-relative helicity: 186 m²/s²
Significant tornado parameter: 1.3
Supercell composite: 10.9

Open this sounding in Storm Lab

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 Jun 19, 7:31 PM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, Jun 19, 7:31 PM EDT, 1 hour 2 minutes before

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In the hours before

Local storm report, Jun 19, 6:50 PM EDT, 1 hour 43 minutes before

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Special weather statement, Jun 19, 7:54 PM EDT, 39 minutes before

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Local storm report, Jun 19, 8:03 PM EDT, 30 minutes before

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Local storm report, Jun 19, 8:29 PM EDT, 4 minutes before

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<body>
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      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        Please try again in a few minutes.
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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
Jun 19, 9:10 PM EDT	Special Weather Statement	TBW	Polk	35 min
Jun 20, 6:05 AM EDT	Special Weather Statement	TBW	Levy	25 min
Jun 20, 6:27 AM EDT	Areal Flood Advisory	TBW	Levy	2 hr
Jun 20, 6:32 AM EDT	Special Weather Statement	TBW	Levy	58 min
Jun 20, 8:07 AM EDT	Special Weather Statement	TBW	Levy	38 min
Jun 20, 8:18 AM EDT	Rip Current Statement	TBW	Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota	36 hr
Jun 20, 9:01 AM EDT	Special Weather Statement	TBW	Levy	29 min
Jun 20, 9:26 AM EDT	Areal Flood Warning	TBW	Levy	2 hr
Jun 20, 10:10 AM EDT	Flash Flood Warning	TBW	Levy	95 min
Jun 20, 12:53 PM EDT	Special Weather Statement	TBW	Osceola	37 min
Jun 20, 1:30 PM EDT	Special Marine Warning	TBW		90 min
Jun 20, 1:43 PM EDT	Special Weather Statement	TBW	Highlands	47 min
Jun 20, 2:09 PM EDT	Severe Thunderstorm Warning	TBW	Highlands	35 min
Jun 20, 2:14 PM EDT	Special Marine Warning	TBW		46 min
Jun 20, 2:32 PM EDT	Special Weather Statement	TBW	Citrus, Hernando, Pasco, Sumter	28 min
Jun 20, 2:45 PM EDT	Special Weather Statement	TBW	Highlands	30 min
Jun 20, 2:59 PM EDT	Special Weather Statement	TBW	Citrus, Hernando, Hillsborough, Pasco, Sumter	31 min
Jun 20, 3:31 PM EDT	Special Weather Statement	TBW	Sumter	29 min
Jun 20, 3:35 PM EDT	Areal Flood Advisory	TBW	Highlands	85 min
Jun 20, 3:53 PM EDT	Special Weather Statement	TBW	Polk	37 min
Jun 20, 4:04 PM EDT	Special Weather Statement	TBW	Levy	41 min
Jun 20, 5:02 PM EDT	Special Weather Statement	TBW	Levy	28 min
Jun 20, 6:08 PM EDT	Special Weather Statement	TBW	Highlands	22 min
Jun 20, 7:31 PM EDT	Special Weather Statement	TBW	DeSoto	44 min

Nearby

Severe Thunderstorm Warnings in Florida, 2023 Every severe thunderstorm warning in 2023

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.