Alert archive / Florida / Flash Flood Warnings in 2022

Flash Flood Warning 6, NWS Tampa Bay, FL

September 28, 20227 counties in Florida

NWS Tampa Bay, FL issued this flash flood warning at Sep 28, 2022, 5:52 PM EDT for 7 counties in Florida. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Sep 28, 2022, 5:52 PM EDT (21:52 UTC)
Expired: Sep 28, 2022, 9:00 PM EDT
In force: 3 hr
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon
Flood severity: None

Counties Charlotte County, FL, DeSoto County, FL, Hardee County, FL, Highlands County, FL, Lee County, FL, Manatee County, FL, Sarasota County, FL

The radar

The Tampa radar (KTBW), 76 km from the middle of the area, began a volume at 21:54 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, 9.9 hours before the alert went out and 76 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 737 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 270 m²/s²
0-3 km storm-relative helicity: 449 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood 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 flash flood warning went out at Sep 28, 3:17 PM EDT, 2 hours 35 minutes earlier.

Area forecast discussion, Sep 28, 3:17 PM EDT, 2 hours 35 minutes before

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In the hours before

Local storm report, Sep 28, 4:29 PM EDT, 1 hour 23 minutes before

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Local storm report, Sep 28, 4:35 PM EDT, 1 hour 17 minutes before

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Local storm report, Sep 28, 4:39 PM EDT, 1 hour 13 minutes before

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Local storm report, Sep 28, 5:24 PM EDT, 28 minutes before

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Local storm report, Sep 28, 5:28 PM EDT, 24 minutes before

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Local storm report, Sep 28, 5:33 PM EDT, 19 minutes before

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      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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      <p id="message2">
        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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
Sep 27, 9:35 PM EDT	Tornado Warning	TBW	Charlotte, Lee	10 min
Sep 27, 9:49 PM EDT	Tornado Warning	TBW	Charlotte, Lee	5 min
Sep 28, 9:51 AM EDT	River Flood Warning	TBW	Citrus	21 days
Sep 28, 10:46 AM EDT	Extreme Wind Warning	TBW	Lee	119 min
Sep 28, 11:38 AM EDT	Tornado Warning	TBW	DeSoto, Hardee, Highlands	37 min
Sep 28, 12:03 PM EDT	Extreme Wind Warning	TBW	Charlotte, Sarasota	117 min
Sep 28, 3:03 PM EDT	Extreme Wind Warning	TBW	Charlotte, DeSoto, Lee, Manatee, Sarasota	3 hr
Sep 28, 3:15 PM EDT	Flash Flood Warning	TBW	Charlotte, Manatee, Sarasota	4 hr
Sep 28, 5:27 PM EDT	Extreme Wind Warning	TBW	Charlotte, DeSoto, Hardee, Highlands, Lee, Manatee and 1 more	2 hr
Sep 28, 7:29 PM EDT	Extreme Wind Warning	TBW	Charlotte, DeSoto, Hardee, Highlands, Polk	2 hr
Sep 28, 7:47 PM EDT	Flash Flood Warning EmergencyCatastrophic damage threat	TBW	Charlotte, DeSoto, Hardee, Highlands, Manatee, Sarasota	3 hr

Nearby

Flash Flood Warnings in Florida, 2022 Every flash flood warning in 2022

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.