Alert archive / Florida / River Flood Warnings in 2021

River Flood Warning 7, NWS Tampa Bay, FL

July 6, 2021Hillsborough County, Florida

NWS Tampa Bay, FL issued this river flood warning at Jul 6, 2021, 4:08 PM EDT for Hillsborough County, Florida. It took effect at Jul 7, 2021, 9:00 AM EDT. It was in force for 8 hr.

The area

The outline as issued.

The facts

Issued
Jul 6, 2021, 4:08 PM EDT (20:08 UTC)
In effect from
Jul 7, 2021, 9:00 AM EDT
Expired
Jul 7, 2021, 5:00 PM EDT
In force
8 hr
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Flood severity
Minor

County Hillsborough County, FL

The radar

The Tampa radar (KTBW), 20 km from the middle of the area, began a volume at 20:10 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 Alafia River at US 301 Riverview (RVWF1). The gauge peaked at 3.78 ft at Jul 7, 2021, 11:00 AM EDT.

actionminormoderatemajor-2024607/0607/0707/08
Action stage
4 ft
Minor stage
4.2 ft
Moderate stage
4.8 ft
Major stage
5.7 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02301718, 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.

335 
WGUS42 KTBW 062008
FLWTBW

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Tampa Bay Ruskin FL
408 PM EDT Tue Jul 6 2021

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

  Alafia River At Riverview near US 301 affecting Hillsborough 
  County.

  Myakka River At Myakka River State Park affecting Sarasota County.

For the Alafia...including Lithia at Lithia Pine Crest Road, 
Riverview near US 301...Moderate flooding is forecast.
For the Myakka...including Myakka River State Park...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.

Additional information is available at www.weather.gov.

The next statement will be issued late tonight at 415 AM EDT.

&&


FLC057-070815-
/O.NEW.KTBW.FL.W.0007.210707T1300Z-210707T2100Z/
/RVWF1.1.ER.210707T1300Z.210707T1400Z.210707T1500Z.NR/
408 PM EDT Tue Jul 6 2021

The National Weather Service in Tampa Bay Ruskin has issued a

* Flood Warning for
  the Alafia River At Riverview near US 301.
* From Wednesday morning to Wednesday afternoon.
* At 3:00 PM EDT Tuesday the stage was 1.5 feet.
* Flood stage is 4.2 feet.
* Minor flooding is forecast. 
* Forecast...The river will oscillate around flood stage with a 
  maximum value of 4.3 feet late tomorrow morning.
* Impact...At 4.2 feet, Water begins to impact homes on Pine Avenue 
  and Park Drive.
* Flood History...This crest compares to a previous crest of 4.3 
  feet on 12/31/2002.

&&


                  Fld   Observed        Forecasts (4 pm EDT)
Location          Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Alafia River
Riverview near US 4.2   1.5   Tue 3 pm  2.5   2.7   2.3   2.2   2.6





&&

LAT...LON 2785 8235 2785 8229 2790 8229 2789 8235

$$

FLC115-070815-
/O.NEW.KTBW.FL.W.0008.210708T2000Z-000000T0000Z/
/MKCF1.2.ER.210708T2000Z.210709T1800Z.000000T0000Z.NO/
408 PM EDT Tue Jul 6 2021

The National Weather Service in Tampa Bay Ruskin has issued a

* Flood Warning for
  the Myakka River At Myakka River State Park.
* From Thursday afternoon until further notice.
* At 3:00 PM EDT Tuesday the stage was 4.9 feet.
* Flood stage is 7.0 feet.
* Minor flooding is forecast.
* Forecast...The river is expected to rise above flood stage 
  Thursday afternoon and continue rising to 7.9 feet early Friday 
  afternoon. Additional rises are possible thereafter.
* Impact...At 8.0 feet, The main road at Myakka State Park floods.
* Flood History...This crest compares to a previous crest of 7.9 
  feet on 08/04/1991.

&&


                  Fld   Observed        Forecasts (2 pm EDT)
Location          Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Myakka River
Myakka River Stat 7.0   4.9   Tue 3 pm  5.5   6.9   7.9   8.4   8.4





&&

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

$$

TBW
3 follow-up statements
544 
WGUS82 KTBW 070157
FLSTBW

Flood Statement
National Weather Service Tampa Bay Ruskin FL
957 PM EDT Tue Jul 6 2021

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

  Alafia River At Riverview near US 301 affecting Hillsborough 
  County.

For the Alafia...including Lithia at Lithia Pine Crest Road, 
Riverview near US 301...Moderate 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.

Additional information is available at www.weather.gov.

The next statement will be issued Wednesday morning at 1000 AM EDT.

&&


FLC057-071400-
/O.CON.KTBW.FL.W.0007.210707T1300Z-210707T2100Z/
/RVWF1.1.ER.210707T1300Z.210707T1400Z.210707T1500Z.NR/
957 PM EDT Tue Jul 6 2021

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

The Flood Warning continues for
  the Alafia River At Riverview near US 301.
* From Wednesday morning to Wednesday afternoon.
* At 9:00 PM EDT Tuesday the stage was -0.6 feet.
* Flood stage is 4.2 feet.
* Minor flooding is forecast. This approaches the flood of record.
* Forecast...The river will oscillate around flood stage with a 
  maximum value of 4.3 feet late tomorrow morning.
* Impact...At 4.2 feet, Water begins to impact homes on Pine Avenue 
  and Park Drive.
* Flood History...This crest compares to a previous crest of 4.3 
  feet on 12/31/2002.

&&


                  Fld   Observed        Forecasts (10 pm EDT)
Location          Stg   Stg   Day/Time  Wed   Thu   Fri   Sat   Sun

Alafia River
Riverview near US 4.2   -0.6  Tue 9 pm  1.5   0.8   0.1   -0.2  0.1





&&

LAT...LON 2785 8235 2785 8229 2790 8229 2789 8235

$$

TBW
998 
WGUS82 KTBW 071341
FLSTBW

Flood Statement
National Weather Service Tampa Bay Ruskin FL
941 AM EDT Wed Jul 7 2021

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

  Alafia River At Riverview near US 301 affecting Hillsborough 
  County.

.Recent heavy rainfall from Elsa will result in rising river levels 
over the next few days.

For the Alafia...including Lithia at Lithia Pine Crest Road, 
Riverview near US 301...Moderate 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.

Additional information is available at www.weather.gov.

The next statement will be issued this afternoon at 500 PM EDT.

&&


FLC057-072100-
/O.CON.KTBW.FL.W.0007.000000T0000Z-210707T2100Z/
/RVWF1.1.ER.210707T1500Z.210707T1500Z.210707T1500Z.NR/
941 AM EDT Wed Jul 7 2021

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

The Flood Warning continues for
  the Alafia River At Riverview near US 301.
* Until this afternoon.
* At 9:00 AM EDT Wednesday the stage was 3.3 feet.
* Flood stage is 4.2 feet.
* Minor flooding is forecast. This approaches the flood of record.
* Forecast...The river will oscillate around flood stage with a 
  maximum value of 4.2 feet late this morning.
* Impact...At 4.2 feet, Water begins to impact homes on Pine Avenue 
  and Park Drive.
* Flood History...This crest compares to a previous crest of 4.2 
  feet on 03/31/2011.

&&


                  Fld   Observed        Forecasts (10 am EDT)
Location          Stg   Stg   Day/Time  Thu   Fri   Sat   Sun   Mon

Alafia River
Riverview near US 4.2   3.3   Wed 9 am  2.5   2.0   1.4   1.2   0.8





&&

LAT...LON 2785 8235 2785 8229 2790 8229 2789 8235

$$

TBW
612 
WGUS82 KTBW 071846
FLSTBW

Flood Statement
National Weather Service Tampa Bay Ruskin FL
246 PM EDT Wed Jul 7 2021

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

  Alafia River At Riverview near US 301 affecting Hillsborough 
  County.

  Peace River At Zolfo Springs at SR 17 affecting Hardee County.

FLC057-072000-
/O.CAN.KTBW.FL.W.0007.000000T0000Z-210707T1846Z/
/RVWF1.1.ER.210707T1500Z.210707T1500Z.210707T1500Z.NR/
246 PM EDT Wed Jul 7 2021

...The Flood Warning for the Alafia River At Riverview near US 301 
has been cancelled...

The Flood Warning is cancelled for
  the Alafia River At Riverview near US 301.
* At 2:00 PM EDT Wednesday the stage was 3.1 feet.
* Flood stage is 4.2 feet.
* Forecast...The river will oscillate below flood stage with a 
  maximum value of 3.2 feet early tomorrow afternoon.

&&


                  Fld   Observed        Forecasts (3 pm EDT)
Location          Stg   Stg   Day/Time  Thu   Fri   Sat   Sun   Mon

Alafia River
Riverview near US 4.2   3.1   Wed 2 pm  2.9   2.7   2.6   2.8   2.5





&&

LAT...LON 2785 8235 2785 8229 2790 8229 2789 8235

$$

FLC049-072000-
/O.CAN.KTBW.FL.W.0012.210707T2110Z-210707T1846Z/
/ZFSF1.1.ER.210707T2110Z.210708T0000Z.210708T1245Z.NO/
246 PM EDT Wed Jul 7 2021

...The Flood Warning for the Peace River At Zolfo Springs at SR 17 
has been cancelled...

The Flood Warning is cancelled for
  the Peace River At Zolfo Springs at SR 17.
* At 1:30 PM EDT Wednesday the stage was 14.2 feet.
* Flood stage is 16.0 feet.
* Forecast...The river is expected to crest of 14.8 feet this 
  evening.

&&


                  Fld   Observed        Forecasts (2 pm EDT)
Location          Stg   Stg   Day/Time  Thu   Fri   Sat   Sun   Mon

Peace River
Zolfo Springs at  16.0  14.2  Wed 1 pm  13.3  10.1  9.6   9.6   9.6





&&

LAT...LON 2762 8176 2735 8179 2735 8187 2762 8184

$$

TBW

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 10:34 PM EDTRiver Flood WarningTBWManatee3 days
Jul 5, 10:34 PM EDTRiver Flood WarningTBWHillsborough7 days
Jul 6, 5:03 AM EDTHurricane WatchTBWCitrus, Hernando, Hillsborough, Levy, Pasco, Pinellas10 hr
Jul 6, 10:02 AM EDTRiver Flood WarningTBWHillsborough5 days
Jul 6, 10:02 AM EDTRiver Flood WarningTBWPasco14 days
Jul 6, 12:27 PM EDTBeach Hazards StatementTBWPasco, Pinellas, Sarasota34 hr
Jul 6, 1:59 PM EDTSpecial Marine WarningTBW46 min
Jul 6, 2:32 PM EDTHurricane WarningTBWCitrus, Hernando, Hillsborough, Levy, Pasco, Pinellas21 hr
Jul 6, 4:08 PM EDTRiver Flood WarningTBWSarasota21 days
Jul 6, 4:08 PM EDTRiver Flood WarningTBWDeSoto21 days

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.