Alert archive / Idaho / River Flood Warnings in 2017

River Flood Warning 8, NWS Boise, ID

March 8, 2017Washington County, Idaho

NWS Boise, ID issued this river flood warning at Mar 8, 2017, 10:17 AM MST for Washington County, Idaho. It took effect at Mar 9, 2017, 5:09 AM MST. It was in force for 70 hr.

The area

The counties it named.

The facts

Issued
Mar 8, 2017, 10:17 AM MST (17:17 UTC)
In effect from
Mar 9, 2017, 5:09 AM MST
Expired
Mar 12, 2017, 4:19 AM MDT
In force
70 hr
Issued by
NWS Boise, ID
Area
Storm-based polygon
Flood severity
Major

County Washington County, ID

The radar

The Boise radar (KCBX), 116 km from the middle of the area, began a volume at 17:15 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 Weiser River at Weiser (WSRI1).

Action stage
9 ft
Minor stage
9.5 ft
Moderate stage
12 ft
Major stage
13 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13266000, 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 Boise, ID wrote its last area forecast discussion before this river flood warning went out at Mar 8, 10:16 AM MST, 1 minute earlier.

Area forecast discussion, Mar 8, 10:16 AM MST, 1 minute before
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The office that day

Everything else NWS Boise, ID issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 8, 10:17 AM MSTRiver Flood WarningBOIAdams, Washington61 hr
Mar 8, 12:01 PM MSTFlood WatchBOIAdams, Boise, Camas, Elmore, Gem, Valley and 1 more20 hr

Nearby

River Flood Warnings in Idaho, 2017Every river flood warning in 2017

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.