Alert archive / Idaho / Flash Flood Warnings in 2023

Flash Flood Warning 27, NWS Pocatello, ID

June 8, 2023Cassia County, Idaho

NWS Pocatello, ID issued this flash flood warning at Jun 8, 2023, 2:03 PM MDT for Cassia County, Idaho. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 8, 2023, 2:03 PM MDT (20:03 UTC)
Expired: Jun 8, 2023, 5:00 PM MDT
In force: 3 hr
Issued by: NWS Pocatello, ID
Area: Storm-based polygon
Flood severity: None

County Cassia County, ID

The radar

The Pocatello radar (KSFX), 118 km from the middle of the area, began a volume at 20:05 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.

What forecasters said that day

The local office's own words before this flash 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 flash flood warning went out at Jun 8, 3:43 AM MDT, 10 hours 20 minutes earlier.

Area forecast discussion, Jun 8, 3:43 AM MDT, 10 hours 20 minutes before

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In the hours before

Special weather statement, Jun 8, 1:52 PM MDT, 11 minutes before

Special Weather Statement
National Weather Service Pocatello ID
152 PM MDT Thu Jun 8 2023

IDZ055-056-082015-
Eastern Magic Valley ID-Southern Hills/Albion Mountains ID-
152 PM MDT Thu Jun 8 2023

...A cluster of strong thunderstorms will impact portions of
southwestern Cassia County through 215 PM MDT...

At 151 PM MDT, Doppler radar was tracking a cluster of strong
thunderstorms near Oakley Reservoir, moving northwest at 25 mph.

HAZARD...Winds in excess of 40 mph and nickel size hail.

SOURCE...Radar indicated.

IMPACT...Gusty winds could knock down tree limbs and blow around
         unsecured objects. Minor damage to outdoor objects is
         possible.

Locations impacted include...
Oakley Reservoir, Almo, Bostetter Ranger Station and City Of Rocks.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, consider seeking shelter inside a building.

Torrential rainfall is also occurring with this storm and may lead to
localized flooding. Do not drive your vehicle through flooded
roadways.

&&

LAT...LON 4199 11420 4212 11429 4224 11428 4221 11373
      4199 11350
TIME...MOT...LOC 1951Z 145DEG 23KT 4212 11398

MAX HAIL SIZE...0.88 IN
MAX WIND GUST...40 MPH

AM

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 8:19 PM MDT	Flash Flood Warning	PIH	Cassia	116 min
Jun 8, 1:52 PM MDT	Special Weather Statement	PIH	Cassia	23 min
Jun 8, 2:07 PM MDT	Special Weather Statement	PIH	Power	38 min
Jun 8, 3:44 PM MDT	Special Weather Statement	PIH	Cassia	31 min
Jun 8, 4:24 PM MDT	Special Weather Statement	PIH	Oneida	36 min

Nearby

Flash Flood Warnings in Idaho, 2023 Every flash 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.