Alert archive / Florida / River Flood Warnings in 2021

River Flood Warning 30, NWS Tampa Bay, FL

September 15, 2021Hillsborough County, Florida

NWS Tampa Bay, FL issued this river flood warning at Sep 15, 2021, 10:20 PM EDT for Hillsborough County, Florida. It took effect at Sep 17, 2021, 2:00 AM EDT. It was in force for 24 hr.

The area

The outline as issued.

The facts

Issued
Sep 15, 2021, 10:20 PM EDT (02:20 UTC)
In effect from
Sep 17, 2021, 2:00 AM EDT
Expired
Sep 18, 2021, 2:00 AM EDT
In force
24 hr
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Flood severity
Minor

County Hillsborough County, FL

The radar

The Tampa radar (KTBW), 7 km from the middle of the area, began a volume at 02:21 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 river

Written for the forecast point Little Manatee River near Wimauma at US 301 (WIMF1). The gauge peaked at 10.49 ft at Sep 15, 2021, 11:00 PM EDT.

actionminormoderate810121409/1609/1709/1809/19
Action stage
9.5 ft
Minor stage
11 ft
Moderate stage
14.5 ft
Major stage
17 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02300500, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The text

As transmitted.

154 
WGUS42 KTBW 160220
FLWTBW

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Tampa Bay Ruskin FL
1020 PM EDT Wed Sep 15 2021

...The National Weather Service in Tampa Bay Ruskin FL has issued a 
Flood Warning for the following rivers in Florida...

  Little Manatee River At Wimauma at US 301 affecting Hillsborough 
  County.

  Horse Creek Near Arcadia at SR 72 affecting DeSoto County.

For the Little Manatee...including Wimauma at US 301...Minor 
flooding is forecast.
For the Horse Creek...including Arcadia at SR 72...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Caution is urged when walking near riverbanks.

Stay tuned to further developments by listening to your local radio, 
television, or NOAA Weather Radio for further information.

Additional information is available at www.weather.gov.

The next statement will be issued Thursday afternoon at 130 PM EDT.

&&


FLC027-161730-
/O.NEW.KTBW.FL.W.0029.210917T0000Z-000000T0000Z/
/ARHF1.1.ER.210917T0000Z.210917T1200Z.000000T0000Z.NO/
1020 PM EDT Wed Sep 15 2021

The National Weather Service in Tampa Bay Ruskin has issued a

* Flood Warning for
  the Horse Creek Near Arcadia at SR 72.
* From Thursday evening until further notice.
* At 9:30 PM EDT Wednesday the stage was 11.1 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow evening and continue rising to 12.2 feet Friday morning. 
  Additional rises are possible thereafter.
* Impact...At 12.0 feet, The access road to Hidden Acres is 
  impassable.
* Flood History...This crest compares to a previous crest of 12.2 
  feet on 11/24/1997.

&&


                Fld   Observed        Forecasts (8 pm EDT)
Location        Stg   Stg   Day/Time  Thu   Fri   Sat   Sun   Mon

Horse Creek
Arcadia at SR 7 12.0  11.1  Wed 9 pm  12.0  12.2  12.2  12.0  11.6





&&

LAT...LON 2726 8194 2708 8198 2708 8202 2726 8201

$$

FLC057-161730-
/O.NEW.KTBW.FL.W.0030.210917T0600Z-210918T0600Z/
/WIMF1.1.ER.210917T0600Z.210917T1200Z.210918T0000Z.NO/
1020 PM EDT Wed Sep 15 2021

The National Weather Service in Tampa Bay Ruskin has issued a

* Flood Warning for
  the Little Manatee River At Wimauma at US 301.
* From late Thursday night to late Friday night.
* At 10:00 PM EDT Wednesday the stage was 10.5 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise to 10.7 feet tomorrow morning. It 
  will then fall to 10.4 feet and begin rising again early tomorrow 
  afternoon. It will rise above flood stage early Friday morning and 
  continue to rise to 11.2 feet early Friday afternoon. It will then 
  fall below flood stage early Saturday morning.
* Impact...At 11.0 feet, The river overflows its banks.
* Flood History...This crest compares to a previous crest of 11.2 
  feet on 08/20/2004.

&&


                  Fld   Observed        Forecasts (8 pm EDT)
Location          Stg   Stg   Day/Time  Thu   Fri   Sat   Sun   Mon

Little Manatee River
Wimauma at US 301 11.0  10.5  Wed 10 pm 10.7  11.0  9.1   7.1   6.1





&&

LAT...LON 2763 8231 2764 8243 2770 8243 2770 8231

$$

TBW
2 follow-up statements
616 
WGUS82 KTBW 170320
FLSTBW

Flood Statement
National Weather Service Tampa Bay Ruskin FL
1120 PM EDT Thu Sep 16 2021

...The Flood Warning continues for the following rivers in Florida...

  Little Manatee River At Wimauma at US 301 affecting Hillsborough 
  County.

  Manatee River Near Myakka Head at SR 64 affecting Manatee County.

  Myakka River At Myakka River State Park affecting Sarasota County.

  Horse Creek Near Arcadia at SR 72 affecting DeSoto County.

For the Little Manatee...including Wimauma at US 301...Minor 
flooding is forecast.
For the Manatee...including Myakka Head at SR 64, Rye Bridge...Minor 
flooding is forecast.
For the Myakka...including Myakka River State Park...Minor flooding 
is forecast.
For the Horse Creek...including Arcadia at SR 72...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay tuned to further developments by listening to your local radio, 
television, or NOAA Weather Radio for further information.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 200 AM EDT.

&&


FLC081-170600-
/O.CON.KTBW.FL.W.0028.000000T0000Z-210917T0600Z/
/MKHF1.1.ER.210915T0603Z.210915T1415Z.210917T0000Z.NO/
1120 PM EDT Thu Sep 16 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Manatee River Near Myakka Head at SR 64.
* Until late tonight.
* At 9:15 PM EDT Wednesday, September 15 the stage was 11.0 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* Forecast...The river will fall to 10.8 feet and then begin rising 
  early this morning. It will then rise above flood stage this 
  evening to 11.1 feet this morning. It will fall below flood stage 
  this morning to 10.9 feet and then begin rising this afternoon. It 
  will then rise again to 11.0 feet this evening. It will fall again 
  but remain above flood stage.
* Impact...At 11.0 feet, Private road and bridge 1 mile downstream 
  flood. Agricultural, rural Kibler area begins to flood.
* Flood History...This crest compares to a previous crest of 11.1 
  feet on 06/27/1996.

&&


                  Fld   Observed        Forecasts (2 am EDT)
Location          Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Manatee River
Myakka Head at SR 11.0  11.0  Wed 9 pm  9.3   9.7   8.8   7.5   6.7





&&

LAT...LON 2746 8217 2743 8224 2745 8233 2752 8233
      2751 8224 2753 8224

$$

FLC115-171830-
/O.CON.KTBW.FL.W.0027.000000T0000Z-000000T0000Z/
/MKCF1.1.ER.210914T2145Z.210919T0600Z.000000T0000Z.NO/
1120 PM EDT Thu Sep 16 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Myakka River At Myakka River State Park.
* Until further notice.
* At 10:00 AM EDT Thursday the stage was 7.3 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:00 AM EDT Thursday was 7.3 feet.
* Forecast...The river is expected to remain steady above flood 
  stage at 7.3 feet.
* Impact...At 7.0 feet, Trails, picnic areas, and parking lots at 
  Myakka State Park flood.
* Flood History...This crest compares to a previous crest of 7.5 
  feet on 09/15/1943.

&&


                  Fld   Observed        Forecasts (2 am EDT)
Location          Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Myakka River
Myakka River Stat 7.0   7.3   Thu 10 am 7.4   7.4   7.5   7.5   7.5





&&

LAT...LON 2726 8226 2715 8234 2715 8238 2731 8226

$$

FLC057-171830-
/O.CON.KTBW.FL.W.0030.210917T0600Z-210918T0600Z/
/WIMF1.1.ER.210917T0600Z.210917T1200Z.210918T0000Z.NO/
1120 PM EDT Thu Sep 16 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Little Manatee River At Wimauma at US 301.
* Until late Friday night.
* At 10:00 PM EDT Wednesday, September 15 the stage was 10.5 feet.
* Flood stage is 11.0 feet.
* Minor flooding is forecast.
* Forecast...The river will rise to 10.7 feet this morning. It will 
  then fall to 10.4 feet and begin rising again this afternoon. It 
  will rise above flood stage just after midnight tonight and 
  continue to rise to 11.2 feet early tomorrow afternoon. It will 
  then fall below flood stage early Saturday morning.
* Impact...At 11.0 feet, The river overflows its banks.
* Flood History...This crest compares to a previous crest of 11.2 
  feet on 08/20/2004.

&&


                  Fld   Observed        Forecasts (2 am EDT)
Location          Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Little Manatee River
Wimauma at US 301 11.0  10.5  Wed 10 pm 10.0  9.6   8.8   7.4   6.6





&&

LAT...LON 2763 8231 2764 8243 2770 8243 2770 8231

$$

FLC027-171830-
/O.CON.KTBW.FL.W.0029.210917T1200Z-000000T0000Z/
/ARHF1.1.ER.210917T1200Z.210918T0600Z.000000T0000Z.NO/
1120 PM EDT Thu Sep 16 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Horse Creek Near Arcadia at SR 72.
* From Friday morning until further notice.
* At 10:30 AM EDT Thursday the stage was 11.6 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow morning and continue rising to a crest of 12.2 feet early 
  Saturday morning.
* Impact...At 12.0 feet, The access road to Hidden Acres is 
  impassable.
* Flood History...This crest compares to a previous crest of 12.2 
  feet on 11/24/1997.

&&


                Fld   Observed        Forecasts (2 am EDT)
Location        Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Horse Creek
Arcadia at SR 7 12.0  11.6  Thu 10 am 11.7  12.0  12.1  11.6  11.1





&&

LAT...LON 2726 8194 2708 8198 2708 8202 2726 8201

$$

TBW
487 
WGUS82 KTBW 171426
FLSTBW

Flood Statement
National Weather Service Tampa Bay Ruskin FL
1026 AM EDT Fri Sep 17 2021

...The Flood Warning is cancelled for the following rivers in 
Florida...

  Little Manatee River At Wimauma at US 301 affecting Hillsborough 
  County.

...The Flood Warning continues for the following rivers in Florida...

  Myakka River At Myakka River State Park affecting Sarasota County.

  Horse Creek Near Arcadia at SR 72 affecting DeSoto County.

For the Myakka...including Myakka River State Park...Minor flooding 
is forecast.
For the Horse Creek...including Arcadia at SR 72...Minor flooding is 
forecast.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Stay tuned to further developments by listening to your local radio, 
television, or NOAA Weather Radio for further information.

Caution is urged when walking near riverbanks.

Additional information is available at www.weather.gov.

The next statement will be issued this morning at 1130 AM EDT.

&&


FLC057-171530-
/O.CAN.KTBW.FL.W.0030.000000T0000Z-210917T1426Z/
/WIMF1.1.ER.210917T0600Z.210917T1200Z.210918T0000Z.NO/
1026 AM EDT Fri Sep 17 2021

...The Flood Warning for the Little Manatee River At Wimauma at US 
301 has been cancelled...

The Flood Warning is cancelled for
  the Little Manatee River At Wimauma at US 301.
* At 10:00 AM EDT Friday the stage was 9.7 feet.
* Flood stage is 11.0 feet.
* Forecast...The river is expected to rise to a crest of 9.7 feet 
  just after midnight tonight.

&&


                  Fld   Observed        Forecasts (8 am EDT)
Location          Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Little Manatee River
Wimauma at US 301 11.0  9.7   Fri 10 am 9.6   9.2   8.4   7.2   6.1





&&

LAT...LON 2763 8231 2764 8243 2770 8243 2770 8231

$$

FLC027-180530-
/O.CON.KTBW.FL.W.0029.000000T0000Z-000000T0000Z/
/ARHF1.1.ER.210919T0000Z.210920T0600Z.000000T0000Z.NO/
1026 AM EDT Fri Sep 17 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Horse Creek Near Arcadia at SR 72.
* Until further notice.
* At 9:30 AM EDT Friday the stage was 11.4 feet.
* Flood stage is 12.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  tomorrow evening and continue rising to 12.7 feet early Monday 
  morning. Additional rises are possible thereafter.
* Impact...At 12.0 feet, The access road to Hidden Acres is 
  impassable.
* Flood History...This crest compares to a previous crest of 12.7 
  feet on 08/08/2002.

&&


                Fld   Observed        Forecasts (8 am EDT)
Location        Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Horse Creek
Arcadia at SR 7 12.0  11.4  Fri 9 am  11.5  12.4  12.7  12.5  12.0





&&

LAT...LON 2726 8194 2708 8198 2708 8202 2726 8201

$$

FLC115-180530-
/O.CON.KTBW.FL.W.0027.000000T0000Z-000000T0000Z/
/MKCF1.1.ER.210914T2145Z.210919T1800Z.000000T0000Z.NO/
1026 AM EDT Fri Sep 17 2021

...The Flood Warning remains in effect...

The Flood Warning continues for
  the Myakka River At Myakka River State Park.
* Until further notice.
* At 10:00 AM EDT Friday the stage was 7.4 feet.
* Flood stage is 7.0 feet.
* Minor flooding is occurring and minor flooding is forecast.
* Recent Activity...The maximum river stage in the 24 hours ending 
  at 10:00 AM EDT Friday was 7.4 feet.
* Forecast...The river is expected to remain steady above flood 
  stage at 7.4 feet.
* Impact...At 8.0 feet, The main road at Myakka State Park floods.
* Flood History...This crest compares to a previous crest of 7.6 
  feet on 09/01/1939.

&&


                  Fld   Observed        Forecasts (8 am EDT)
Location          Stg   Stg   Day/Time  Sat   Sun   Mon   Tue   Wed

Myakka River
Myakka River Stat 7.0   7.4   Fri 10 am 7.4   7.5   7.6   7.7   7.6





&&

LAT...LON 2726 8226 2715 8234 2715 8238 2731 8226

$$

TBW

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 15, 10:20 PM EDTRiver Flood WarningTBWDeSoto59 hr

Nearby

River Flood Warnings in Florida, 2021Every river flood warning 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; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.