Alert archive / Idaho / River Flood Watches in 2018

River Flood Watch 3, NWS Spokane, WA

May 5, 2018Boundary County, Idaho

NWS Spokane, WA issued this river flood watch at May 5, 2018, 9:13 PM PDT for Boundary County, Idaho. It took effect at May 7, 2018, 1:34 AM PDT. It was in force for .

The area

The counties it named.

The facts

Issued
May 5, 2018, 9:13 PM PDT (04:13 UTC)
In effect from
May 7, 2018, 1:34 AM PDT
Expired
May 6, 2018, 7:50 PM PDT
In force
Issued by
NWS Spokane, WA
Area
Storm-based polygon
Flood severity
Minor

County Boundary County, ID

The radar

The Spokane radar (KOTX), 148 km from the middle of the area, began a volume at 04:14 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 Moyie River at Eastport (EASI1). The gauge peaked at 8.85 ft at May 7, 2018, 1:00 AM PDT.

actionminormoderatemajor789101105/0605/0705/08
Action stage
8 ft
Minor stage
9 ft
Moderate stage
10 ft
Major stage
11 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 12306500, 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 watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Spokane, WA wrote its last area forecast discussion before this river flood watch went out at May 5, 7:34 PM PDT, 1 hour 39 minutes earlier.

Area forecast discussion, May 5, 7:34 PM PDT, 1 hour 39 minutes before
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The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 6, 4:26 PM PDTSpecial Weather StatementOTXNez Perce64 min

Nearby

River Flood Watches in Idaho, 2018Every river flood watch 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.