High Wind in Wyoming, March 6, 2003

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
228 AM MST THU MAR 6 2003

SHORT TERM...MAIN CONCERN WILL BE THE WIND. LOWEST GATE OF MEDICINE
BOW PROFILER STILL HOLDING STRONG AT 50 KNOTS AT 08Z...WHILE MODELS
PROG RIGHT FRONT QUAD OF 300 MB JET TO MOVE OVER WESTERN PORTIONS OF
CYS FORECAST AREA FROM THE NORTHWEST. MODELS ALSO INDICATE 50-55
KNOTS AT 700 MB TODAY WITH A SHARP LEESIDE TROUGH OF LOW PRESSURE
ALONG WY/NEB BORDER. FOR THESE REASONS...WILL KEEP HIGH WIND WARNING
TODAY FOR MOST OF WY PORTION OF FORECAST AREA IN AND NEAR THE
MOUNTAINS. CONVERSE...NIOBRARA AND GOSHEN COUNTIES AS WELL AS
EASTERN LARAMIE COUNTY WILL LIKELY NOT REACH WARNING CRITERIA THUS
WILL KEEP THEM OUT OF WARNING. TODAY WILL ALSO BE WINDY IN THE
WESTERN NEB PANHANDLE BUT THAT AREA SHOULD REMAIN BELOW WIND
ADVISORY CRITERIA. WINDS SHOULD DECREASE SOMEWHAT LATE THIS
AFTERNOON. BEST MOISTURE CONFINED TO THE WEST OF THE LARAMIE RANGE
TODAY AND TONIGHT WITH LITTLE IN THE WAY OF DYNAMICS OTHER THAN
OROGRAPHIC LIFTING.  WESTERN SLOPES OF SIERRA MADRE AND SNOWY RANGES
WILL LIKELY GET SNOW SHOWERS TODAY WITH ONLY LOW POPS WARRANTED WEST
OF THE LARAMIE RANGE.  STRONG DOWNSLOPE FLOW WILL BOOST TEMPERATURES
TODAY INTO THE MID 40S TO MID 50S EAST OF THE LARAMIE RANGE WITH
COOLER TEMPS IN CARBON COUNTY AND THE LARAMIE VALLEY. TONIGHT WILL
STILL BE WINDY BUT WIND HIGHLIGHTS SHOULD NOT BE NECESSARY. TEMPS
TONIGHT WILL BE PRIMARILY IN THE 20S IN LOWER ELEVATIONS.

LONG TERM...WINDY CONDITIONS TO CONTINUE INTO WEEKEND BUT WITH RISING
HEIGHTS AND A LITTLE LESS STABILITY SPEEDS LOOK TO STAY LOW ENOUGH TO
WITHHOLD ANY FURTHER HILITES.  ONLY FLY IN OINTMENT IS NEARNESS OF
MODIFIED ARCTIC BOUNDARY WHICH WILL BE LURKING SOMEWHERE FROM WRN
SOUTH DAKOTA INTO NEBRASKA OVER THE WEEKEND.  LATEST AVN/MRF KEEP
BOUNDARY JUST E OF CWA BUT WOULD NOT BE SURPRISED TO SEE IT OOZE W
INTO AREA FROM VCTY LUSK TO AIA SATURDAY SO WILL CONTINUE CURRENT
FCST OF COOLER TEMPS THERE AND SEE HOW SITUATION DEVELOPS. OTHERWISE
DRY AND MILD PATTERN SETTING UP INTO NEXT WEEK WITH BROAD RIDGE
EDGING NORTHWARD OVER THE WESTERN CONUS SENDING SHORTWAVE ENERGY
MORE ACROSS SRN CANADA.

.CYS...
WY...HI WND WRNG TODAY S CNTRL AND PARTS OF SE ZNS 61>67..69.
NE...NONE.

JMR/RE

NEZ001>003-019>021-054-055-WYZ059>070-061300-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CHEYENNE WY
354 PM MST WED MAR 5 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN WYOMING AND THE
WESTERN NEBRASKA PANHANDLE.

.DAY ONE...TONIGHT

A HIGH WIND WARNING IS IN EFFECT TONIGHT FOR THE MOUNTAINS OF
SOUTHEAST WYOMING AS WELL AS THE LOWER ELEVATIONS OF CARBON
COUNTY...PLATTE COUNTY AND WESTERN LARAMIE COUNTY.  IN ADDITION...A
HIGH WIND WARNING IS IN EFFECT FOR THE LARAMIE VALLEY BEGINNING LATE
TONIGHT.  WEST WINDS WILL CONTINUE TO INCREASE OVER MUCH OF
SOUTHEAST WYOMING TONIGHT AS THE PRESSURE GRADIENT TIGHTENS AT THE
SURFACE AND ALOFT.  STRONG WINDS IN THE UPPER LEVELS OF THE
ATMOSPHERE WILL MOVE OVER THE AREA OVERNIGHT...WHICH WILL HELP TO
STRENGTHEN SURFACE WINDS.  WIND GUSTS AROUND 70 MPH ARE EXPECTED IN
THE MOUNTAINS WITH GUSTS TO 60 MPH ON THE PLAINS.  AREAS OF BLOWING
SNOW...ESPECIALLY IN AND NEAR THE MOUNTAINS...WILL CAUSE POOR
VISIBILITIES AND SLICK ROADS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THE HIGH WIND WARNING FOR PORTIONS OF SOUTHEAST WYOMING CONTINUES
THURSDAY.  THE WARNED AREA INCLUDES THE SNOWY AND LARAMIE
RANGES...AND THE CITIES OF RAWLINS...LARAMIE...WHEATLAND AND
CHEYENNE.  STRONG WINDS WILL CONTINUE TO HAMPER TRAVEL AND OUTDOOR
ACTIVITIES IN SOUTHEAST WYOMING THURSDAY.  WINDY CONDITIONS WILL
PERSIST THURSDAY NIGHT AND FRIDAY...BUT WIND SPEEDS CURRENTLY LOOK
TO REMAIN JUST BELOW HIGH WIND CRITERIA.

THE WINDS WILL DIMINISH FRIDAY NIGHT AND SATURDAY.  MUCH OF THE
REGION WILL SEE DRY AND MILD CONDITIONS THROUGH EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

STARK
WCJIN-WYSE-WYNE