Alert from National Weather Service (Missoula: dangerous, park, roaches)

[jimj]

Take care all, good time to stay in and watch the tube!!!
URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MISSOULA MT
354 AM MST FRI DEC 12 2008
.A STRONG WINTER STORM WILL IMPACT THE NORTHERN ROCKIES OVER THE
WEEKEND. INITIALLY...SNOW WILL DEVELOP OVER THE MOUNTAINS OF
NORTHWEST MONTANA THIS AFTERNOON AS A COLD FRONT APPROACHES FROM THE
WEST. THIS FRONT WILL PUSH THROUGH IDAHO AND WESTERN MONTANA
PROVIDING INCREASED PRECIPITATION...FOLLOWED BY COOLER POST-
FRONTAL AIR FRIDAY NIGHT. AT THE SAME TIME...ARCTIC AIR POISED
OVER THE CANADIAN ROCKIES WILL BEGIN ITS PUSH SOUTHWARD INTO
NORTHWEST MONTANA. BLIZZARD CONDITIONS ARE EXPECTED TO DEVELOP IN
GLACIER NATIONAL PARK AND PORTIONS OF THE FLATHEAD VALLEY BY LATE
FRIDAY NIGHT.

BY SATURDAY...A MAJOR SURGE OF ARCTIC AIR WILL PUNCH INTO WESTERN
MONTANA. THIS FRIGID AIR MASS WILL BE USHERED IN BY STRONG
NORTHEAST WINDS CAUSING BLOWING AND DRIFTING OF SNOW RESULTING IN
LOCAL WHITEOUT CONDITIONS...PLUS BITTERLY COLD WIND CHILLS. THE
BULK OF THE ACCUMULATING SNOW MAY BE CONFINED TO THE IDAHO
PANHANDLE WHERE MOISTURE WILL CONTINUE TO BE FORCED OVER A COLDER
DOME OF AIR TO THE EAST.

A STRONG EASTERLY SURFACE PRESSURE GRADIENT WILL MAINTAIN THE
INFLUX OF ARCTIC AIR OVER WESTERN MONTANA AND PORTIONS OF NORTH
CENTRAL IDAHO THROUGH TUESDAY WITH VERY COLD TEMPERATURES AND
DANGEROUS WIND CHILLS HIGHLIGHTING THE FORECAST