Alert archive / Montana / High Wind Watches in 2017

High Wind Watch 9, NWS Glasgow, MT

November 26, 2017Phillips County, Montana

NWS Glasgow, MT issued this high wind watch at Nov 26, 2017, 2:59 AM MST for Phillips County, Montana. It took effect at Nov 27, 2017, 7:00 AM MST. It was in force for .

The area

The counties it named.

The facts

Issued: Nov 26, 2017, 2:59 AM MST (09:59 UTC)
In effect from: Nov 27, 2017, 7:00 AM MST
Expired: Nov 27, 2017, 3:30 AM MST
In force
Issued by: NWS Glasgow, MT

County Phillips County, MT

The radar

The Glasgow radar (KGGW), 96 km from the middle of the area, began a volume at 10:05 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, 10.0 hours before the alert went out and 219 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: 3211 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 151 m²/s²
0-3 km storm-relative helicity: 78 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 high wind watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Glasgow, MT wrote its last area forecast discussion before this high wind watch went out at Nov 25, 10:06 PM MST, 4 hours 53 minutes earlier.

Area forecast discussion, Nov 25, 10:06 PM MST, 4 hours 53 minutes before

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Nearby

High Wind Watches in Montana, 2017 Every high wind watch in 2017

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.