Alert archive / Idaho / Flash Flood Warnings in 2023

Flash Flood Warning 30, NWS Pocatello, ID

June 12, 2023Bingham County, Bonneville County, Idaho

NWS Pocatello, ID issued this flash flood warning at Jun 12, 2023, 5:37 PM MDT for Bingham County, Bonneville County, Idaho. It was in force for 56 min. 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 12, 2023, 5:37 PM MDT (23:37 UTC)
Expired: Jun 12, 2023, 6:33 PM MDT
In force: 56 min
Issued by: NWS Pocatello, ID
Area: Storm-based polygon
Flood severity: None

Counties Bingham County, ID, Bonneville County, ID

The radar

The Pocatello radar (KSFX), 59 km from the middle of the area, began a volume at 23:41 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 nearest sounding before it

Riverton, WY (KRIW), launched 12:00Z, 11.6 hours before the alert went out and 294 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1240 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 2 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

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 12, 1:23 PM MDT, 4 hours 14 minutes earlier.

Area forecast discussion, Jun 12, 1:23 PM MDT, 4 hours 14 minutes before

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In the hours before

Special weather statement, Jun 12, 2:49 PM MDT, 2 hours 48 minutes before

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Special weather statement, Jun 12, 2:54 PM MDT, 2 hours 43 minutes before

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Special weather statement, Jun 12, 5:09 PM MDT, 28 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
Jun 11, 10:55 PM MDT	Areal Flood Advisory	PIH	Cassia, Minidoka	3 hr
Jun 12, 1:19 PM MDT	Flash Flood Warning	PIH	Butte, Custer	114 min
Jun 12, 2:49 PM MDT	Special Weather Statement	PIH	Bear Lake	56 min
Jun 12, 2:54 PM MDT	Special Weather Statement	PIH	Power	66 min
Jun 12, 5:09 PM MDT	Special Weather Statement	PIH	Bingham	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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.