Area Forecast Discussion
Issued by NWS Denver/Boulder, CO

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FXUS65 KBOU 291551
AFDBOU

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER/BOULDER CO
951 AM MDT WED APR 29 2015

.UPDATE...
ISSUED AT 951 AM MDT WED APR 29 2015

NO NEED TO MAKE ANY CHANGES TO THE FORECAST AT THIS TIME. SKIES
WILL REMAIN CLOUD-FREE THROUGH TONIGHT ALONG WITH LIGHT WINDS.
TEMPERATURES SHOULD HAVE NOT PROBELM MAKING IT TO THE EXPECTED
HIGHS IN THE LOWER TO MID 70S. THE UPPER RIDGE REMAINING OVER THE
STATE WILL DELIVER A NICE SPRING DAY.

&&

.SHORT TERM...(TODAY THROUGH TONIGHT )
ISSUED AT 400 AM MDT WED APR 29 2015

TEMPERATURES ACROSS THE REGION WILL CONTINUE TO WARM TODAY AS A
STRONG UPPER RIDGE NOSES EASTWARD ACROSS COLORADO. 30-40KT N-NWLY
FLOW ALOFT THIS MORNING GRADUALLY TURNS NWLY AND WEAKENS SOME DURING
THE AFTERNOON HOURS WITH PASSAGE OF THE 700-500 MB RIDGE AXIS. QG
VERTICAL VELOCITY FIELDS INDICATE WEAK DOWNWARD TO NEUTRAL MOTIONS
NEXT 24 HOURS. ALTHOUGH STRONG DIABATIC HEATING SHOULD BE ADEQUATE
TO GENERATE SCATTERED CUMULUS CLOUDS OVER THE HIGH TERRAIN THIS
AFTERNOON. SHOULDN/T SEE MORE THAN A FEW SPRINKLES AND GUSTY
WINDS FROM THEM. TEMPERATURES TODAY AS MUCH AS 8-12 DEGS F ABOVE
AVERAGE FOR THE DATE...MEANING HIGHS IN THE LOW TO MID 70S ON THE
PLAINS AND UPPER 50S TO LOWER 60S ACROSS THE HIGH COUNTRY. SKIES
SHOULD QUICKLY CLEAR THIS EVENING IN THE DRY AIRMASS BUT LATE
TONIGHT MODELS SHOW MID AND HIGH-LEVEL MOISTURE SPREADING IN FROM
THE NORTHWEST AHEAD OF AN UPPER TROUGH AND SFC COLD FRONT. GOING
WITH OVERNIGHT TEMPERATURES 5-10 DEGS F WARMER THAN AVERAGE.

.LONG TERM...(THURSDAY THROUGH TUESDAY)
ISSUED AT 400 AM MDT WED APR 29 2015

RIDGING ALOFT WILL SHIFT EAST OF COLORADO DURING THE DAY ON
THURSDAY WITH APPROACHING UPPER LEVEL TROF FROM THE NORTHWEST.
STILL SHOULD BE A WARM DAY READINGS IN THE MID/UPPER 70S ACROSS
LOWER ELEVATIONS AS FRONTAL PASSAGE NOT EXPECTED UNTIL LATER
THURSDAY EVENING. WILL SOME ISOLATED HIGH BASED STORMS BY THURSDAY
AFTERNOON THEN MORE ACTIVITY OVERNIGHT THURSDAY WITH FRONTAL
PASSAGE AND INCREASING MOISTURE AND SHALLOW UPSLOPE N-NE FLOW.
COOLER ON FRIDAY BEHIND THE FRONT WITH STABLE AIRMASS IN LOW
LEVELS ESPECIALLY OVER THE NORTHEAST PLAINS. EXPECT HIGHEST
COVERAGE OF STORMS ON FRIDAY WILL BE OVER MOUNTAINS AND ELEVATED
TERRAIN.

FOR THE WEEKEND...COLORADO WILL BE UNDER A MODERATE WESTERLY FLOW
ALOFT WITH ENOUGH MOISTURE AND INSTABILITY FOR ROUNDS OF AFTERNOON
AND EVENING STORMS. TEMPERATURES WILL REBOUND BACK INTO THE 70S
OVER THE PLAINS.

FOR MONDAY AND TUESDAY...EXPECT INCREASING SOUTHWEST FLOW ALOFT AS
A LOW PRESSURE DISTURBANCE BEGINS TO MOVE INLAND FROM BAJA AND
APPROACHES COLORADO FROM THE SOUTHWEST. THIS WILL BEGIN TO DRAW
UP INCREASING MOISTURE FOR HIGHER CHANCES OF STORMS BY LATE MONDAY
AND INTO TUESDAY ALONG WITH COOLER TEMPERATURES. HAVE INCREASED
POPS IN THESE PERIODS AS THIS LOOKS TO BE AN UNSETTLED PATTERN
UPCOMING NEXT WEEK.

&&

.AVIATION...(FOR THE TAFS THROUGH 18Z THURSDAY MORNING)
ISSUED AT 951 AM MDT WED APR 29 2015

NO AVIATION IMPACTS THROUGH THE NEXT 24 HOURS AS SKIES REMAIN
CLEAR AND VISIBILITIES UNLIMITED. WINDS SHOULD GO TO NORTHEASTERLY
THIS AFTERNOON AND THEN RETURN TO DRAINAGE SOUTHERLIES LATER THIS
EVENING.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

UPDATE...DANKERS
SHORT TERM...BAKER
LONG TERM...ENTREKIN
AVIATION...DANKERS


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