Alert archive / Idaho / River Flood Warnings in 2019

River Flood Warning 2, NWS Boise, ID

April 8, 2019Boise County, Idaho

NWS Boise, ID issued this river flood warning at Apr 8, 2019, 11:54 AM MDT for Boise County, Idaho. It took effect at Apr 9, 2019, 5:14 AM MDT. It was in force for 29 hr.

The area

The counties it named.

The facts

Issued: Apr 8, 2019, 11:54 AM MDT (17:54 UTC)
In effect from: Apr 9, 2019, 5:14 AM MDT
Expired: Apr 10, 2019, 10:10 AM MDT
In force: 29 hr
Issued by: NWS Boise, ID
Area: Storm-based polygon
Flood severity: Minor

County Boise County, ID

The radar

The Boise radar (KCBX), 69 km from the middle of the area, began a volume at 17:53 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 Middle Fork Payette River at Crouch (MFPI1). The gauge peaked at 13.68 ft at Apr 9, 2019, 1:00 PM MDT.

Action stage: 10 ft
Minor stage: 11.8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13237920, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 8, 3:48 AM MDT	Wind Advisory	BOI	Ada, Elmore, Gooding, Jerome, Owyhee, Twin Falls	66 hr
Apr 8, 11:40 AM MDT	Areal Flood Warning	BOI	Adams, Valley	27 hr
Apr 8, 11:54 AM MDT	River Flood Warning	BOI	Adams, Washington	41 hr
Apr 8, 11:54 AM MDT	River Flood Warning	BOI	Washington	3 days

Nearby

River Flood Warnings in Idaho, 2019 Every river flood warning in 2019

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.