Alert archive / Oregon / River Flood Warnings in 2017

River Flood Warning 4, NWS Boise, ID

February 20, 2017Malheur County, Oregon

NWS Boise, ID issued this river flood warning at Feb 20, 2017, 1:25 AM MST for Malheur County, Oregon. It took effect at Feb 21, 2017, 3:09 PM MST. It was in force for 38 hr.

The area

The counties it named.

The facts

Issued: Feb 20, 2017, 1:25 AM MST (08:25 UTC)
In effect from: Feb 21, 2017, 3:09 PM MST
Expired: Feb 23, 2017, 5:18 AM MST
In force: 38 hr
Issued by: NWS Boise, ID
Area: Storm-based polygon
Flood severity: Minor

County Malheur County, OR

The radar

The Boise radar (KCBX), 117 km from the middle of the area, began a volume at 08:28 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 Malheur River at Vale (VALO3). The gauge peaked at 21.21 ft at Feb 22, 2017, 10:00 AM MST.

Action stage: 19 ft
Minor stage: 19.5 ft
Moderate stage: 21 ft
Major stage: 23 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13233300, 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 Feb 19, 8:57 PM MST, 4 hours 28 minutes earlier.

Area forecast discussion, Feb 19, 8:57 PM MST, 4 hours 28 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Feb 20, 1:25 AM MST	River Flood Warning	BOI	Washington	65 hr
Feb 20, 3:02 AM MST	Wind Advisory	BOI	Owyhee, Twin Falls	41 hr

Nearby

River Flood Warnings in Oregon, 2017 Every 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.