Alert archive / Montana / Special Weather Statements in 2014

Special Weather Statement, NWS Great Falls, MT

June 13, 2014Chouteau County, Montana

NWS Great Falls, MT issued this special weather statement at Jun 13, 2014, 2:01 PM MDT for Chouteau County, Montana. It was in force for 44 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 13, 2014, 2:01 PM MDT (20:01 UTC)
Expired
Jun 13, 2014, 2:45 PM MDT
In force
44 min
Issued by
NWS Great Falls, MT

County Chouteau County, MT

The radar

The Great Falls radar (KTFX), 79 km from the middle of the area, began a volume at 20:04 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, 8.0 hours before the alert went out and 64 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-pSkew-T log-p diagram, Great_falls, MT at 12:00Z on 2014-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 78 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Great_falls, MT at 12:00Z on 2014-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -11 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
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
78 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
574 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
-11 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 13, 11:33 AM MDT, 2 hours 28 minutes earlier.

Area forecast discussion, Jun 13, 11:33 AM MDT, 2 hours 28 minutes before
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In the hours before

Special weather statement, Jun 13, 11:51 AM MDT, 2 hours 10 minutes before
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Local storm report, Jun 13, 12:26 PM MDT, 1 hour 35 minutes before
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Special weather statement, Jun 13, 12:31 PM MDT, 1 hour 30 minutes before
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Local storm report, Jun 13, 1:13 PM MDT, 48 minutes before
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Local storm report, Jun 13, 1:27 PM MDT, 34 minutes before
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Special weather statement, Jun 13, 2:01 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.

IssuedProductOfficeCountiesLasted
Jun 12, 10:12 PM MDTSpecial Weather StatementTFXCascade63 min
Jun 12, 10:55 PM MDTSpecial Weather StatementTFXCascade50 min
Jun 12, 11:02 PM MDTSpecial Weather StatementTFXChouteau58 min
Jun 12, 11:05 PM MDTSevere Thunderstorm WarningTFXCascade, Chouteau, Teton40 min
Jun 12, 11:42 PM MDTSpecial Weather StatementTFXChouteau48 min
Jun 12, 11:57 PM MDTSpecial Weather StatementTFXChouteau48 min
Jun 13, 12:43 AM MDTSpecial Weather StatementTFXBlaine62 min
Jun 13, 1:18 AM MDTSpecial Weather StatementTFXLewis and Clark57 min
Jun 13, 1:45 AM MDTSpecial Weather StatementTFXCascade, Lewis and Clark45 min
Jun 13, 1:49 AM MDTSevere Thunderstorm WarningTFXCascade, Lewis and Clark41 min
Jun 13, 2:16 AM MDTSpecial Weather StatementTFXCascade44 min
Jun 13, 2:33 AM MDTSpecial Weather StatementTFXCascade42 min
Jun 13, 2:40 AM MDTSevere Thunderstorm WarningTFXCascade, Judith Basin50 min
Jun 13, 3:10 AM MDTSpecial Weather StatementTFXChouteau50 min
Jun 13, 3:20 AM MDTSpecial Weather StatementTFXMeagher40 min
Jun 13, 3:25 AM MDTSpecial Weather StatementTFXChouteau65 min
Jun 13, 7:21 AM MDTSpecial Weather StatementTFXMeagher24 min
Jun 13, 11:51 AM MDTSpecial Weather StatementTFXBroadwater39 min
Jun 13, 12:31 PM MDTSpecial Weather StatementTFXPondera44 min
Jun 13, 2:41 PM MDTSpecial Weather StatementTFXChouteau49 min
Jun 13, 3:15 PM MDTSpecial Weather StatementTFXChouteau30 min
Jun 13, 3:58 PM MDTSpecial Weather StatementTFXBlaine47 min
Jun 13, 4:52 PM MDTSpecial Weather StatementTFXBlaine53 min

Nearby

Special Weather Statements in Montana, 2014Every special weather statement in 2014

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.