Alert archive / Montana / Special Weather Statements in 2016

Special Weather Statement, NWS Great Falls, MT

June 24, 2016Cascade County, Montana

NWS Great Falls, MT issued this special weather statement at Jun 24, 2016, 1:39 PM MDT for Cascade County, Montana. It was in force for 36 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: Jun 24, 2016, 1:39 PM MDT (19:39 UTC)
Expired: Jun 24, 2016, 2:15 PM MDT
In force: 36 min
Issued by: NWS Great Falls, MT

County Cascade County, MT

The radar

The Great Falls radar (KTFX), 62 km from the middle of the area, began a volume at 19:39 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, 7.7 hours before the alert went out and 86 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: 1853 m above ground
0-6 km bulk shear: 67 kt
0-1 km storm-relative helicity: -16 m²/s²
0-3 km storm-relative helicity: 157 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Great Falls, MT wrote its last area forecast discussion before this special weather statement went out at Jun 24, 12:00 PM MDT, 1 hour 39 minutes earlier.

Area forecast discussion, Jun 24, 12:00 PM MDT, 1 hour 39 minutes before

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In the hours before

Special weather statement, Jun 24, 12:39 PM MDT, 1 hour before

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Special weather statement, Jun 24, 1:14 PM MDT, 25 minutes before

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Special weather statement, Jun 24, 1:15 PM MDT, 24 minutes before

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Special weather statement, Jun 24, 1:29 PM MDT, 10 minutes before

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Special weather statement, Jun 24, 1:39 PM MDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 7:30 PM MDT	Special Weather Statement	TFX	Chouteau	30 min
Jun 23, 8:01 PM MDT	Special Weather Statement	TFX	Hill	29 min
Jun 23, 8:37 PM MDT	Special Weather Statement	TFX	Chouteau	23 min
Jun 24, 12:39 PM MDT	Special Weather Statement	TFX	Broadwater	36 min
Jun 24, 1:14 PM MDT	Special Weather Statement	TFX	Cascade	46 min
Jun 24, 1:15 PM MDT	Special Weather Statement	TFX	Meagher	30 min
Jun 24, 1:29 PM MDT	Special Weather Statement	TFX	Cascade	46 min
Jun 24, 1:57 PM MDT	Special Weather Statement	TFX	Judith Basin	33 min
Jun 24, 2:19 PM MDT	Special Weather Statement	TFX	Meagher	26 min
Jun 24, 2:59 PM MDT	Special Weather Statement	TFX	Judith Basin	31 min
Jun 24, 3:19 PM MDT	Special Weather Statement	TFX	Gallatin	26 min
Jun 24, 3:24 PM MDT	Special Weather Statement	TFX	Fergus	36 min
Jun 24, 3:45 PM MDT	Special Weather Statement	TFX	Fergus	30 min
Jun 24, 3:52 PM MDT	Special Weather Statement	TFX	Fergus	23 min
Jun 24, 4:17 PM MDT	Severe Thunderstorm Warning	TFX	Fergus	13 min
Jun 24, 4:29 PM MDT	Special Weather Statement	TFX	Cascade	31 min
Jun 24, 5:00 PM MDT	Special Weather Statement	TFX	Cascade	30 min
Jun 24, 5:27 PM MDT	Special Weather Statement	TFX	Chouteau, Hill	33 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.