Alert archive / Florida / River Flood Warnings in 2018

River Flood Warning 1, NWS Tampa Bay, FL

May 19, 2018Hillsborough County, Florida

NWS Tampa Bay, FL issued this river flood warning at May 19, 2018, 9:24 PM EDT for Hillsborough County, Florida. It took effect at May 20, 2018, 9:31 PM EDT. It was in force for 60 hr.

The area

The counties it named.

The facts

Issued: May 19, 2018, 9:24 PM EDT (01:24 UTC)
In effect from: May 20, 2018, 9:31 PM EDT
Expired: May 23, 2018, 9:09 AM EDT
In force: 60 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 01:25 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 14.27 ft at May 22, 2018, 5:00 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 May 19, 8:24 PM EDT, 1 hour earlier.

Area forecast discussion, May 19, 8:24 PM EDT, 1 hour before

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Hazardous weather outlook, May 19, 5:00 AM EDT, 16 hours 24 minutes before

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In the hours before

Special weather statement, May 19, 3:45 PM EDT, 5 hours 39 minutes before

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<body>
  <main class="wrap">
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      <div class="status" id="status">Temporary Notice</div>
      <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.
      </p>
      <p id="message2">
        Please try again in a few minutes.
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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.

Issued	Product	Office	Counties	Lasted
May 20, 3:42 PM EDT	River Flood Warning	TBW	Manatee	47 hr
May 20, 3:42 PM EDT	River Flood Warning	TBW	DeSoto	52 hr

Nearby

River Flood Warnings in Florida, 2018 Every 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.