Alert archive / Florida / River Flood Warnings in 2018

River Flood Warning 69, NWS Tampa Bay, FL

December 21, 2018Hillsborough County, Florida

NWS Tampa Bay, FL issued this river flood warning at Dec 21, 2018, 9:05 AM EST for Hillsborough County, Florida. It took effect at Dec 21, 2018, 1:00 PM EST. It was in force for 6 hr.

The area

The counties it named.

The facts

Issued: Dec 21, 2018, 9:05 AM EST (14:05 UTC)
In effect from: Dec 21, 2018, 1:00 PM EST
Expired: Dec 21, 2018, 7:00 PM EST
In force: 6 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 14:08 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 4.88 ft at Dec 21, 2018, 1:00 AM EST.

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.

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 Dec 20, 6:35 PM EST, 14 hours 30 minutes earlier.

Area forecast discussion, Dec 20, 6:35 PM EST, 14 hours 30 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
Dec 21, 2:57 PM EST	Small Craft Advisory	TBW		23 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.