Alert archive / Florida / River Flood Warnings in 2018

River Flood Warning 32, NWS Jacksonville, FL

December 13, 2018Baker County, Nassau County, Florida; Charlton County, Georgia

NWS Jacksonville, FL issued this river flood warning at Dec 13, 2018, 9:12 AM EST for Baker County, Nassau County, Florida; Charlton County, Georgia. It took effect at Dec 15, 2018, 11:48 PM EST. It was in force for 7 days.

The area

The counties it named.

The facts

Issued
Dec 13, 2018, 9:12 AM EST (14:12 UTC)
In effect from
Dec 15, 2018, 11:48 PM EST
Expired
Dec 23, 2018, 9:31 AM EST
In force
7 days
Issued by
NWS Jacksonville, FL
Area
Storm-based polygon
Flood severity
Minor

Counties Baker County, FL, Nassau County, FL, Charlton County, GA

The radar

The Jacksonville radar (KJAX), 36 km from the middle of the area, began a volume at 14:15 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 St. Marys River near Macclenny (MACF1). The gauge peaked at 13.05 ft at Dec 17, 2018, 4:00 AM EST.

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Action stage
10 ft
Minor stage
12 ft
Moderate stage
15 ft
Major stage
19 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 02231000, 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 Jacksonville, FL wrote its last area forecast discussion before this river flood warning went out at Dec 13, 4:12 AM EST, 5 hours earlier.

Area forecast discussion, Dec 13, 4:12 AM EST, 5 hours before
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The office that day

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

IssuedProductOfficeCountiesLasted
Dec 12, 9:58 PM ESTRiver Flood WarningJAXColumbia, Hamilton, Suwannee27 days
Dec 12, 9:58 PM ESTRiver Flood WarningJAXHamilton, Suwannee22 days
Dec 13, 2:45 AM ESTFlood WatchJAXBaker, Bradford, Duval, Flagler, Gilchrist, Nassau and 2 more48 hr
Dec 13, 2:45 AM ESTSmall Craft AdvisoryJAX48 hr
Dec 13, 9:21 AM ESTRiver Flood WarningJAXAlachua, Columbia20 days

Nearby

River Flood Warnings in Florida, 2018River Flood Warnings in Georgia, 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.