Alert archive / Montana / Special Weather Statements in 2016

Special Weather Statement, NWS Billings, MT

August 6, 2016Golden Valley County, Montana

NWS Billings, MT issued this special weather statement at Aug 6, 2016, 7:28 PM MDT for Golden Valley County, Montana. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Aug 6, 2016, 7:28 PM MDT (01:28 UTC)
Expired: Aug 6, 2016, 8:15 PM MDT
In force: 47 min
Issued by: NWS Billings, MT

County Golden Valley County, MT

The radar

The Billings radar (KBLX), 86 km from the middle of the area, began a volume at 01:30 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 00:00Z, 1.5 hours before the alert went out and 148 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: 213 J/kg
Mixed-layer CIN: -123 J/kg
Mixed-layer LCL: 2464 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 41 m²/s²
0-3 km storm-relative helicity: 165 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.3

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Billings, MT wrote its last area forecast discussion before this special weather statement went out at Aug 6, 3:35 PM MDT, 3 hours 53 minutes earlier.

Area forecast discussion, Aug 6, 3:35 PM MDT, 3 hours 53 minutes before

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Hazardous weather outlook, Aug 6, 2:46 PM MDT, 4 hours 42 minutes before

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In the hours before

Special weather statement, Aug 6, 3:54 PM MDT, 3 hours 34 minutes before

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Special weather statement, Aug 6, 4:44 PM MDT, 2 hours 44 minutes before

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Special weather statement, Aug 6, 5:27 PM MDT, 2 hours 1 minute before

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Special weather statement, Aug 6, 5:58 PM MDT, 1 hour 30 minutes before

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Special weather statement, Aug 6, 6:42 PM MDT, 46 minutes before

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Special weather statement, Aug 6, 7:28 PM MDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 6, 6:42 PM MDT	Special Weather Statement	BYZ	Sweet Grass	48 min
Aug 6, 7:32 PM MDT	Special Weather Statement	BYZ	Musselshell	43 min
Aug 6, 8:23 PM MDT	Special Weather Statement	BYZ	Musselshell, Yellowstone	37 min
Aug 6, 9:02 PM MDT	Special Weather Statement	BYZ	Musselshell, Yellowstone	43 min
Aug 6, 9:45 PM MDT	Special Weather Statement	BYZ	Yellowstone	60 min
Aug 6, 10:32 PM MDT	Special Weather Statement	BYZ	Big Horn, Rosebud, Treasure	58 min
Aug 6, 10:38 PM MDT	Areal Flood Advisory	BYZ	Musselshell, Yellowstone	3 hr
Aug 6, 11:28 PM MDT	Special Weather Statement	BYZ	Rosebud, Treasure	62 min
Aug 7, 12:28 AM MDT	Special Weather Statement	BYZ	Powder River	62 min
Aug 7, 4:10 PM MDT	Special Weather Statement	BYZ	Big Horn	65 min
Aug 7, 5:01 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn	44 min
Aug 7, 5:06 PM MDT	Special Weather Statement	BYZ	Powder River	54 min
Aug 7, 5:44 PM MDT	Severe Thunderstorm Warning	BYZ	Big Horn, Rosebud	61 min
Aug 7, 5:16 PM MDT	Special Weather Statement	BYZ	Sheridan	59 min
Aug 7, 5:34 PM MDT	Severe Thunderstorm Warning	BYZ	Sheridan	56 min

Nearby

Special Weather Statements in Montana, 2016 Every special weather statement in 2016

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.