Alert archive / Montana / Lake Wind Advisories in 2012

Lake Wind Advisory 2, NWS Glasgow, MT

March 26, 20125 counties in Montana

NWS Glasgow, MT issued this lake wind advisory at Mar 26, 2012, 3:23 PM MDT for 5 counties in Montana. It took effect at Mar 26, 2012, 9:00 PM MDT. It was in force for 23 hr.

The area

The counties it named.

The facts

Issued: Mar 26, 2012, 3:23 PM MDT (21:23 UTC)
In effect from: Mar 26, 2012, 9:00 PM MDT
Expired: Mar 27, 2012, 8:00 PM MDT
In force: 23 hr
Issued by: NWS Glasgow, MT

Counties Garfield County, MT, McCone County, MT, Petroleum County, MT, Phillips County, MT, Valley County, MT

The radar

The Glasgow radar (KGGW), 64 km from the middle of the area, began a volume at 21:23 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

Glasgow Intl Airport, MT (KGGW), launched 12:00Z, 9.4 hours before the alert went out and 67 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: 678 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 220 m²/s²
0-3 km storm-relative helicity: 299 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 lake wind advisory 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 lake wind advisory went out at Mar 26, 12:07 PM MDT, 3 hours 16 minutes earlier.

Area forecast discussion, Mar 26, 12:07 PM MDT, 3 hours 16 minutes before

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Hazardous weather outlook, Mar 26, 3:27 AM MDT, 11 hours 56 minutes before

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<body>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 26, 2:54 AM MDT	High Wind Watch	GGW	Dawson, Prairie, Richland, Wibaux	12 hr
Mar 26, 3:01 AM MDT	Red Flag Warning	GGW	Dawson, McCone, Prairie, Richland, Wibaux	12 hr

Nearby

Lake Wind Advisories in Montana, 2012 Every lake wind advisory in 2012

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.