Alert archive / Florida / Flash Flood Warnings in 2022

Flash Flood Warning 10, NWS Tampa Bay, FL

September 29, 2022Polk County, Florida

NWS Tampa Bay, FL issued this flash flood warning at Sep 29, 2022, 1:16 AM EDT for Polk County, Florida. It was in force for 2 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 29, 2022, 1:16 AM EDT (05:16 UTC)
Expired
Sep 29, 2022, 3:30 AM EDT
In force
2 hr
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Flood severity
None

County Polk County, FL

The radar

The Tampa radar (KTBW), 74 km from the middle of the area, began a volume at 05:15 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

Miami, FL (KMFL), launched 00:00Z, 5.3 hours before the alert went out and 275 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-pSkew-T log-p diagram, Miami, FL at 00:00Z on 2022-09-29Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 238 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Miami, FL at 00:00Z on 2022-09-29The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 263 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
238 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
758 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
263 m²/s²
0-3 km storm-relative helicity
277 m²/s²
Significant tornado parameter
0.3
Supercell composite
6.4

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 29, 12:55 AM EDT, 21 minutes earlier.

Area forecast discussion, Sep 29, 12:55 AM EDT, 21 minutes before
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In the hours before

Local storm report, Sep 28, 7:36 PM EDT, 5 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
736 PM EDT WED SEP 28 2022

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

0735 PM     FLOOD            VENICE                  27.10N 82.45W
09/28/2022                   SARASOTA           FL   EMERGENCY MNGR

            NUMEROUS REPORTS OF FLOODED ROADS AND WATER
            INTO HOMES IN VENICE AREA.

&&
Local storm report, Sep 28, 8:13 PM EDT, 5 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
813 PM EDT WED SEP 28 2022

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

0600 PM     HURRICANE        3 SSE ARCHBOLD          27.15N 81.34W
09/28/2022                   HIGHLANDS          FL   MESONET

            MESONET STATION 1158W 2.9 S ARCHBOLD
            (WEATHERSTEM) WIND GUST 79 MPH.

&&
Local storm report, Sep 28, 8:14 PM EDT, 5 hours 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
814 PM EDT WED SEP 28 2022

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

0735 PM     HURRICANE        SEBRING AIR TERMINAL    27.46N 81.34W
09/28/2022                   HIGHLANDS          FL   AWOS

            AWOS STATION KSEF SEBRING AIR TERMINAL WIND
            GUST OF 77 MPH.

&&
Local storm report, Sep 28, 9:13 PM EDT, 4 hours 3 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
913 PM EDT WED SEP 28 2022

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

0729 PM     HURRICANE        1 WNW SARASOTA          27.34N 82.56W
09/28/2022                   GMZ853             FL   MESONET

            MESONET STATION XSRB SARASOTA BAY MARKER 17
            WIND GUST OF 87 MPH.

&&
Local storm report, Sep 28, 10:01 PM EDT, 3 hours 15 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
1001 PM EDT WED SEP 28 2022

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

0915 PM     HURRICANE        SEBRING AIR TERMINAL    27.46N 81.34W
09/28/2022                   HIGHLANDS          FL   AWOS

            AWOS STATION KSEF SEBRING AIR TERMINAL WIND
            GUST OF 78 MPH.

&&
Local storm report, Sep 28, 10:02 PM EDT, 3 hours 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY RUSKIN FL
1002 PM EDT WED SEP 28 2022

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

0926 PM     HURRICANE        6 W FORT MEADE          27.75N 81.89W
09/28/2022                   POLK               FL   MESONET

            MESONET STATION AR663 5 W FORT MEADE WIND
            GUST OF 75 MPH.

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 28, 9:07 PM EDTFlash Flood Warning Considerable damage threatTBWHardee, Highlands, Polk4 hr
Sep 28, 10:45 PM EDTFlash Flood Warning Considerable damage threatTBWDeSoto, Hardee, Highlands, Manatee, Sarasota2 hr
Sep 29, 3:23 AM EDTAreal Flood WarningTBWSarasota4 days
Sep 29, 12:25 PM EDTGale WarningTBW14 hr
Sep 29, 12:25 PM EDTSmall Craft AdvisoryTBW26 hr
Sep 29, 12:36 PM EDTRip Current StatementTBWCharlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota31 hr

Nearby

Flash Flood Warnings in Florida, 2022Every 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.