River Flood Warning 28, NWS Jacksonville, FL

Issued

Aug 10, 2020, 9:49 AM EDT (13:49 UTC)

In effect from

Aug 11, 2020, 3:30 AM EDT

Expired

Aug 19, 2020, 4:28 PM EDT

In force

9 days

Issued by

NWS Jacksonville, FL

Area

Storm-based polygon

Flood severity

Minor

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

The Jacksonville radar (KJAX), 36 km from the middle of the area, began a volume at 13:49 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.

Written for the forecast point St. Marys River near Macclenny (MACF1). The gauge peaked at 14.47 ft at Aug 14, 2020, 3:00 PM EDT.

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.

NWS Jacksonville, FL wrote its last area forecast discussion before this river flood warning went out at Aug 10, 8:20 AM EDT, 1 hour 29 minutes earlier.

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River Flood Warnings in Florida, 2020River Flood Warnings in Georgia, 2020Every river flood warning in 2020

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.