Area Forecast Discussion
Issued by NWS Cheyenne, WY

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000
FXUS65 KCYS 050540
AFDCYS

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
1040 PM MST WED MAR 4 2015

.SHORT TERM...(THIS EVENING THROUGH FRIDAY NIGHT)
ISSUED AT 137 PM MST WED MAR 4 2015

THE LAST OF THE SERIES OF COLD SURGES THAT HAVE AFFECTED THE
REGION RECENTLY WILL BEGIN PULLING AWAY FROM THE CWA OVERNIGHT
LEAVING A DRY AND WARMING PATTERN IN ITS WAKE. STILL A CHILLY
NIGHT EXPECTED MAINLY OVER THE PANHANDLE WHERE MINS WILL FALL TO
OR A LITTLE BELOW ZERO BY THURSDAY MORNING. MEANWHILE LEE TROFFING
WILL ENSUE OVER THE NORTHERN AND CENTRAL HIGH PLAINS WHICH WILL
RESULT IN A DOWNSLOPING FLOW SO MINS OVER FAR SE WY SHOULD BE
ATTAINED LATER THIS EVENING WITH TEMPS THEN EITHER STEADY OR
RISING SLOWLY LATER.

EXPECT MAINLY CLEAR TO PARTLY CLOUDY SKIES ACROSS THE CWA THROUGH
FRIDAY WITH JUST SOME PERIODS OF ENHANCED CLOUDINESS ASSOCIATED
WITH WEAK IMPULSES MOVING BY IN NWLY FLOW ALOFT. TEMPS WARMER
THURSDAY AND AGAIN FRIDAY WITH WARMING 700MB TEMPS THOUGH WILL
UNDERCUT MAXS THURSDAY OVER AREAS WITH DECENT SNOW COVER.

.LONG TERM...(SATURDAY THROUGH WEDNESDAY)
ISSUED AT 137 PM MST WED MAR 4 2015

PRETTY TRANQUIL IN THE EXTENDED FORECAST...THOUGH THERE COULD BE
SOME CHANCES FOR STRONGER WINDS.

STARTING OFF SATURDAY...WE REMAIN IN NORTHWEST FLOW WITH LOW
PRESSURE OVER THE GREAT LAKES AREA AND ANOTHER DOWN OVER SOUTHERN
CALIFORNIA. SHOULD BE PRETTY NICE SATURDAY AS 700MB WINDS START TO
INCREASE TO AROUND 25KTS. 700MB TEMPERATURES STILL A LITTLE ON THE
COOL SIDE...AROUND -4 TO -6C. COMBINATION OF WARMING 700MB WINDS
AND DOWNSLOPING WESTERLY WINDS SHOULD YIELD AFTERNOON HIGHS IN THE
LOW 40S WITH LOW TO MID 50S IN THE PANHANDLE.

BEGIN TO SEE AN INCREASE IN 700MB WINDS MONDAY NIGHT INTO TUESDAY
WITH THE GFS SHOWING WINDS 40 TO 45KTS MONDAY NIGHT. COULD SEE A
HIGH WIND EVENT TUESDAY NIGHT INTO WEDNESDAY WITH 700MB WINDS
INCREASING TO NEAR 60KTS AND 700MB CRAIG TO CASPER HEIGHT
GRADIENTS NEAR 60MTRS.

GOING TO BE DRY THROUGH THE EXTENDED WITH INCREASING TEMPERATURES
EACH DAY. COULD SEE 60S RETURNING TO THE PANHANDLE MONDAY AND
TUESDAY AS DOWNSLOPING WINDS BEGIN TO INCREASE WITH THE
STRENGTHENING 700MB WINDS.

&&

.AVIATION...(FOR THE 06Z TAFS THROUGH THURSDAY AFTERNOON)

VFR CONDITIONS EXPECTED WITH DRY WESTERLY WINDS. NO WEATHER IMPACTS
FOR FLIGHT OPS EXPECTED THROUGH TONIGHT AND INTO EARLY THURSDAY
MORNING.

&&

.FIRE WEATHER...
ISSUED AT 137 PM MST WED MAR 4 2015

NO CONCERNS EXPECTED FOR THE FORESEEABLE FUTURE WITH WEATHER
CONDITIONS REMAINING NON-CRITICAL. A DRY AND WARMING PATTERN
EXPECTED OVER THE REGION FOR AT LEAST THE NEXT SEVERAL DAYS.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...NONE.
NE...NONE.
&&

$$

SHORT TERM...RE
LONG TERM...GCC
AVIATION...TJT
FIRE WEATHER...RE



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