Alert archive / Florida / River Flood Warnings in 2018

River Flood Warning 37, NWS Tampa Bay, FL

August 25, 2018Sarasota County, Florida

NWS Tampa Bay, FL issued this river flood warning at Aug 25, 2018, 9:49 AM EDT for Sarasota County, Florida. It took effect at Aug 26, 2018, 9:46 AM EDT. It was in force for 10 days.

The area

The counties it named.

The facts

Issued
Aug 25, 2018, 9:49 AM EDT (13:49 UTC)
In effect from
Aug 26, 2018, 9:46 AM EDT
Expired
Sep 5, 2018, 9:27 PM EDT
In force
10 days
Issued by
NWS Tampa Bay, FL
Area
Storm-based polygon
Flood severity
Minor

County Sarasota County, FL

The radar

The Tampa radar (KTBW), 58 km from the middle of the area, began a volume at 13:52 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 Myakka River at Myakka River State Park (MKCF1). The gauge peaked at 7.76 ft at Aug 31, 2018, 4:00 PM EDT.

actionminormoderate678908/2508/2608/2708/2808/2908/3008/3109/0109/0209/0309/0409/0509/0609/07
Action stage
6.5 ft
Minor stage
7 ft
Moderate stage
8.5 ft
Major stage
10.5 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02298830, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

What forecasters said that day

The local office's own words before this river 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 river flood warning went out at Aug 25, 9:36 AM EDT, 13 minutes earlier.

Area forecast discussion, Aug 25, 9:36 AM EDT, 13 minutes before
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Hazardous weather outlook, Aug 25, 5:16 AM EDT, 4 hours 33 minutes before
Hazardous Weather Outlook
National Weather Service Tampa Bay Ruskin FL
516 AM EDT Sat Aug 25 2018

FLZ043-050-052-056-057-061-139-142-148-149-151-155-160-162-165-
239-242-248-249-251-255-260-262-265-GMZ830-836-850-853-856-870-
873-876-252130-
Sumter-Pinellas-Polk-Hardee-Highlands-DeSoto-Coastal Levy-
Coastal Citrus-Coastal Hernando-Coastal Pasco-
Coastal Hillsborough-Coastal Manatee-Coastal Sarasota-
Coastal Charlotte-Coastal Lee-Inland Levy-Inland Citrus-
Inland Hernando-Inland Pasco-Inland Hillsborough-Inland Manatee-
Inland Sarasota-Inland Charlotte-Inland Lee-Tampa Bay waters-
Charlotte Harbor and Pine Island Sound-
Coastal waters from Tarpon Springs to Suwannee River FL out 20 NM-
Coastal waters from Englewood to Tarpon Springs FL out 20 NM-
Coastal waters from Bonita Beach to Englewood FL out 20 NM-
Waters from Tarpon Springs to Suwannee River FL out 20 to 60 NM-
Waters from Englewood to Tarpon Springs FL out 20 to 60 NM-
Waters from Bonita Beach to Englewood FL out 20 to 60 NM-
516 AM EDT Sat Aug 25 2018

This Hazardous Weather Outlook is for West Central And Southwest
Florida.

.DAY ONE...Today and Tonight.

...THUNDERSTORM IMPACT...
Ample moisture combined with daytime heating will lead to
numerous thunderstorms developing along the sea breeze today with
the greatest storm coverage expected along and to the west of the
I-75 corridor during the late afternoon and early evening hours.
Torrential downpours, strong gusty winds, and frequent lightning
strikes will accompany the storms as they move to the west and
northwest around 10 mph. Remember if threatening weather approaches
your location, move indoors immediately.

...RIVER FLOOD IMPACT...
Heavy rainfall the last few days across parts of Polk, Hillsborough,
and Manatee counties along with the possibility of additional heavy
rain today, will bring minor flooding to the Little Manatee River
at Wimauma, the Manatee River near Myakka Head, and the Peace
River at Zolfo Springs today.

.DAYS TWO THROUGH SEVEN...Sunday through Friday.

...THUNDERSTORM IMPACT...
Scattered to numerous thunderstorms are expected each day
with the greatest storm coverage continuing to along and to the
west of the I-75 corridor during the late afternoon and early
evening hours. The main hazards from the storms will be locally
heavy rains, strong gusty winds, and frequent lightning strikes.

...RIVER FLOOD IMPACT...
Minor river flooding is expected to continue on the Little
Manatee River at Wimauma, the Manatee River near Myakka Head, and
the Peace River at Zolfo Springs through Sunday with a slow fall
in water levels along these rivers expected into early next week.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

McMichael

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 2:50 PM EDTSpecial Marine WarningTBW55 min
Aug 25, 2:56 PM EDTSpecial Weather StatementTBWLee49 min
Aug 25, 3:44 PM EDTSpecial Weather StatementTBWCharlotte, DeSoto, Lee46 min
Aug 25, 3:46 PM EDTSpecial Marine WarningTBW59 min
Aug 25, 4:06 PM EDTSpecial Weather StatementTBWPolk39 min
Aug 25, 4:26 PM EDTSpecial Weather StatementTBWHillsborough, Manatee, Sarasota64 min
Aug 25, 4:39 PM EDTSpecial Marine WarningTBW66 min
Aug 25, 4:53 PM EDTSpecial Weather StatementTBWPinellas67 min
Aug 25, 5:24 PM EDTSevere Thunderstorm WarningTBWPinellas21 min
Aug 25, 5:31 PM EDTSpecial Weather StatementTBWManatee, Sarasota59 min
Aug 25, 5:47 PM EDTSpecial Marine WarningTBW58 min
Aug 25, 5:53 PM EDTSpecial Weather StatementTBWHernando, Pasco, Pinellas52 min
Aug 25, 5:57 PM EDTSpecial Weather StatementTBWCitrus48 min
Aug 25, 6:26 PM EDTAreal Flood AdvisoryTBWPinellas94 min
Aug 25, 6:37 PM EDTAreal Flood AdvisoryTBWCitrus83 min
Aug 25, 6:47 PM EDTSpecial Marine WarningTBW58 min
Aug 25, 7:39 PM EDTRiver Flood WarningTBWCitrus, Levy39 hr
Aug 25, 7:41 PM EDTSpecial Marine WarningTBW64 min

Nearby

River Flood Warnings in Florida, 2018Every river flood warning in 2018

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.