Alert archive / Montana / Flash Flood Warnings in 2023

Flash Flood Warning 28, NWS Billings, MT

June 10, 2023Treasure County, Montana

NWS Billings, MT issued this flash flood warning at Jun 10, 2023, 8:23 AM MDT for Treasure County, Montana. 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 10, 2023, 8:23 AM MDT (14:23 UTC)
Expired: Jun 10, 2023, 11:30 AM MDT
In force: 3 hr
Issued by: NWS Billings, MT
Area: Storm-based polygon
Flood severity: None

County Treasure County, MT

The radar

The Billings radar (KBLX), 110 km from the middle of the area, began a volume at 14:23 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

Great_falls, MT (KTFX), launched 12:00Z, 2.4 hours before the alert went out and 289 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: 180 J/kg
Mixed-layer CIN: -55 J/kg
Mixed-layer LCL: 704 m above ground
0-6 km bulk shear: 21 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 9 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Billings, MT issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 9, 8:49 PM MDT	Areal Flood Advisory	BYZ	Big Horn	3 hr
Jun 9, 9:07 PM MDT	Areal Flood Advisory	BYZ	Sweet Grass	3 hr
Jun 10, 12:42 AM MDT	Special Weather Statement	BYZ	Sweet Grass	33 min
Jun 10, 12:59 AM MDT	Areal Flood Advisory	BYZ	Stillwater, Sweet Grass	3 hr
Jun 10, 4:50 AM MDT	Areal Flood Advisory	BYZ	Musselshell, Yellowstone	3 hr
Jun 10, 3:36 PM MDT	Special Weather Statement	BYZ	Stillwater, Sweet Grass	54 min
Jun 9, 9:16 PM MDT	Special Weather Statement	BYZ	Sheridan	29 min
Jun 9, 9:59 PM MDT	Special Weather Statement	BYZ	Sheridan	31 min

Nearby

Flash Flood Warnings in Montana, 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.