Alert archive / Idaho / River Flood Warnings in 2023

River Flood Warning 4, NWS Pocatello, ID

May 1, 2023Blaine County, Idaho

NWS Pocatello, ID issued this river flood warning at May 1, 2023, 5:16 PM MDT for Blaine County, Idaho. It was in force for 21 days.

The area

The counties it named.

The facts

Issued: May 1, 2023, 5:16 PM MDT (23:16 UTC)
Expired: May 22, 2023, 5:16 PM MDT
In force: 21 days
Issued by: NWS Pocatello, ID
Area: Storm-based polygon
Flood severity: Minor

County Blaine County, ID

The radar

The Pocatello radar (KSFX), 110 km from the middle of the area, began a volume at 23:19 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 Big Wood River at Hailey (HALI1). The gauge peaked at 7.24 ft at May 23, 2023, 7:00 AM MDT.

Action stage: 5 ft
Minor stage: 6 ft
Moderate stage: 7 ft
Major stage: 8 ft

This gauge today: stage, forecast and historic crests

Stage from the USGS instantaneous record for site 13139510, 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 Pocatello, ID wrote its last area forecast discussion before this river flood warning went out at May 1, 2:17 PM MDT, 2 hours 59 minutes earlier.

Area forecast discussion, May 1, 2:17 PM MDT, 2 hours 59 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 1:55 PM MDT	River Flood Watch	PIH	Bear Lake	71 hr

Nearby

River Flood Warnings in Idaho, 2023 Every river flood warning in 2023

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.