Alert archive / Montana / Winter Storm Warnings in 2006

Winter Storm Warning 2, NWS Billings, MT

March 18, 2006Carter County, Custer County, Fallon County, Montana

NWS Billings, MT issued this winter storm warning at Mar 18, 2006, 2:04 PM MST for Carter County, Custer County, Fallon County, Montana. It took effect at Mar 18, 2006, 5:00 PM MST. It was in force for 36 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 18, 2006, 2:04 PM MST (21:04 UTC)
In effect from
Mar 18, 2006, 5:00 PM MST
Expired
Mar 20, 2006, 5:00 AM MST
In force
36 hr
Issued by
NWS Billings, MT

Counties Carter County, MT, Custer County, MT, Fallon County, MT

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 12:00Z, 9.1 hours before the alert went out and 328 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, Bismarck Municip, ND at 12:00Z on 2006-03-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Bismarck Municip, ND at 12:00Z on 2006-03-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
625 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
242 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 2:04 PM MSTHeavy Snow WarningBYZCarbon, Golden Valley, Musselshell, Park, Stillwater, Sweet Grass and 1 more32 hr
Mar 18, 2:04 PM MSTSnow and Blowing Snow AdvisoryBYZCarter, Custer, Powder River, Rosebud39 hr
Mar 18, 2:04 PM MSTSnow AdvisoryBYZBig Horn, Golden Valley, Musselshell, Park, Stillwater, Treasure and 1 more25 hr

Nearby

Winter Storm Warnings in Montana, 2006Every winter storm warning in 2006

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.