Alert archive / Florida / River Flood Warnings in 2017

River Flood Warning 12, NWS Tampa Bay, FL

July 31, 2017Hillsborough County, Florida

NWS Tampa Bay, FL issued this river flood warning at Jul 31, 2017, 3:19 PM EDT for Hillsborough County, Florida. It took effect at Aug 1, 2017, 4:43 AM EDT. It was in force for 65 hr.

The area

The counties it named.

The facts

Issued: Jul 31, 2017, 3:19 PM EDT (19:19 UTC)
In effect from: Aug 1, 2017, 4:43 AM EDT
Expired: Aug 3, 2017, 9:29 PM EDT
In force: 65 hr
Issued by: NWS Tampa Bay, FL
Area: Storm-based polygon
Flood severity: Minor

County Hillsborough County, FL

The radar

The Tampa radar (KTBW), 23 km from the middle of the area, began a volume at 19:20 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 Lithia Pinecrest Road at Lithia (LITF1). The gauge peaked at 15.77 ft at Aug 2, 2017, 7:00 AM EDT.

Action stage: 11 ft
Minor stage: 13 ft
Moderate stage: 16 ft
Major stage: 19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02301500, 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 Jul 31, 3:00 PM EDT, 19 minutes earlier.

Area forecast discussion, Jul 31, 3:00 PM EDT, 19 minutes before

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Hazardous weather outlook, Jul 31, 10:19 AM EDT, 5 hours before

Hazardous Weather Outlook
National Weather Service Tampa Bay Ruskin FL
1019 AM EDT Mon Jul 31 2017

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-
873-876-010230-
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-
1019 AM EDT Mon Jul 31 2017

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

.DAY ONE...Today and Tonight.

...THUNDERSTORM IMPACT...
Thunderstorms are expected today as Tropical Storm Emily moves
onshore. Bands of heavy rainfall with wind gusts to tropical storm
force are likely through the rest of the day. Minor flooding will
also be possible over low-lying and flood-prone areas.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

...THUNDERSTORM IMPACT...
Thunderstorms are expected each day. Thunderstorms will be
capable of producing strong gusty winds...locally heavy rains...
and frequent deadly lightning strikes.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be needed today.

Carlisle

In the hours before

Local storm report, Jul 31, 9:56 AM EDT, 5 hours 23 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
956 AM EDT MON JUL 31 2017

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

0900 AM     TROPICAL STORM   1 WNW SARASOTA          27.34N 82.56W
07/31/2017                   GMZ853             FL   MESONET

            WXFLOW SITE XSRB REPORTED TROPICAL STORM FORCE WINDS OF
            39 MPH.

&&

SHIVELEY

Local storm report, Jul 31, 10:37 AM EDT, 4 hours 42 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TAMPA BAY AREA - RUSKIN FL
1037 AM EDT MON JUL 31 2017

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

0930 AM     TROPICAL STORM   23 SW LONGBOAT KEY      27.17N 82.92W
07/31/2017                   GMZ873             FL   BUOY

            AN OFFSHORE BOUY IS REPORTING TROPICAL STORM FORCE WIND
            GUSTS OF 40 MPH.

1012 AM     TROPICAL STORM   1 WNW SARASOTA          27.34N 82.56W
07/31/2017                   GMZ853             FL   ASOS

            SARASOTA BRADENTON INTERNATIONAL AIRPORT REPORTING
            TROPICAL STORM FORCE WIND GUSTS OF 39 MPH.

&&

SHIVELEY

Local storm report, Jul 31, 12:06 PM EDT, 3 hours 13 minutes before

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Local storm report, Jul 31, 12:55 PM EDT, 2 hours 24 minutes before

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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
Jul 30, 8:44 PM EDT	Rip Current Statement	TBW	Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota	12 hr
Jul 31, 5:08 AM EDT	Small Craft Advisory	TBW		5 hr
Jul 31, 5:37 AM EDT	Flood Watch	TBW	Charlotte, DeSoto, Hardee, Highlands, Hillsborough, Lee and 3 more	11 hr
Jul 31, 6:00 AM EDT	Special Marine Warning	TBW		60 min
Jul 31, 6:32 AM EDT	Tropical Storm Watch	TBW	Hillsborough, Manatee, Pinellas, Sarasota	2 hr
Jul 31, 7:11 AM EDT	Special Marine Warning	TBW		64 min
Jul 31, 8:38 AM EDT	Tropical Storm Warning	TBW	Charlotte, Hillsborough, Lee, Manatee, Pinellas, Sarasota	9 hr
Jul 31, 9:47 AM EDT	River Flood Warning	TBW	Sarasota	10 days
Jul 31, 9:47 AM EDT	River Flood Warning	TBW	DeSoto	24 hr
Jul 31, 9:47 AM EDT	River Flood Warning	TBW	Hillsborough	4 days
Jul 31, 9:47 AM EDT	River Flood Warning	TBW	Manatee	3 days
Jul 31, 10:38 AM EDT	Areal Flood Advisory	TBW	Hillsborough, Manatee, Sarasota	112 min
Jul 31, 10:50 AM EDT	Tornado Warning	TBW	Manatee	25 min
Jul 31, 11:22 AM EDT	Areal Flood Warning	TBW	Manatee	113 min
Jul 31, 11:40 AM EDT	Areal Flood Advisory	TBW	Charlotte, Manatee, Sarasota	95 min
Jul 31, 12:29 PM EDT	Areal Flood Advisory	TBW	Hillsborough	91 min
Jul 31, 2:50 PM EDT	Small Craft Advisory	TBW		2 hr
Jul 31, 6:23 PM EDT	Special Weather Statement	TBW	Highlands	52 min

Nearby

River Flood Warnings in Florida, 2017 Every river flood warning in 2017

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.