Alert archive / Florida / River Flood Warnings in 2018

River Flood Warning 48, NWS Tampa Bay, FL

August 30, 2018Hillsborough County, Florida

NWS Tampa Bay, FL issued this river flood warning at Aug 30, 2018, 9:08 PM EDT for Hillsborough County, Florida. It took effect at Aug 31, 2018, 2:00 AM EDT. It was in force for 56 hr.

The area

The counties it named.

The facts

Issued
Aug 30, 2018, 9:08 PM EDT (01:08 UTC)
In effect from
Aug 31, 2018, 2:00 AM EDT
Expired
Sep 2, 2018, 10:18 AM EDT
In force
56 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 01:10 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 Lithia Pinecrest Road at Lithia (LITF1).

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 Aug 30, 8:01 PM EDT, 1 hour 7 minutes earlier.

Area forecast discussion, Aug 30, 8:01 PM EDT, 1 hour 7 minutes before
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Hazardous weather outlook, Aug 30, 5:06 AM EDT, 16 hours 2 minutes before
Hazardous Weather Outlook
National Weather Service Tampa Bay Ruskin FL
506 AM EDT Thu Aug 30 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-
873-876-302115-
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-
506 AM EDT Thu Aug 30 2018

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

.DAY ONE...Today and Tonight.

...THUNDERSTORM IMPACT...
Another active day is expected with storms developing by early
afternoon. Storms will likely merge into one or more clusters and
move east to west, eventually moving offshore during the evening.
Gusty winds, frequent lightning and torrential rainfall will
accompany any stronger storms.

...FLOOD IMPACT...
With saturated ground, additional heavy rainfall may quickly lead
to localized flooding. In addition, several area rivers are
expected to continue to rise, resulting in minor river flooding.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

...THUNDERSTORM IMPACT...
Storms will remain likely each day mainly during the afternoon
hours. Heavy rainfall, gusty winds and lightning will be the main
concerns.

...FLOOD IMPACT...
With additional heavy rains expected over the next several days,
several rivers are expected to rise to minor flood stage. As the
ground remains saturated, localized flooding will be likely each
day.

.SPOTTER INFORMATION STATEMENT...

Spotters should monitor the weather
and self activate if needed.

Austin

In the hours before

Special weather statement, Aug 30, 5:08 PM EDT, 4 hours before
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      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 31, 3:07 PM EDTSpecial Marine WarningTBW53 min
Aug 31, 3:57 PM EDTSpecial Marine WarningTBW93 min
Aug 31, 4:16 PM EDTSpecial Weather StatementTBWHillsborough44 min
Aug 31, 4:23 PM EDTSpecial Marine WarningTBW37 min
Aug 31, 5:30 PM EDTSpecial Marine WarningTBW90 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.