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NO CURRENT ADVISORIES
THERE ARE NO ACTIVE WATCHES, WARNINGS OR ADVISORIES
| Your National Weather Service Forecast for the Denver Metro Area. Issued by the National Weather Service Denver-Boulder, CO at 3:57 am MST Feb 4, 2012 |
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| Today |
A 40 percent chance of snow, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 31. Northwest wind between 4 and 7 mph becoming calm. Total daytime snow accumulation of less than a half inch possible. |
| Tonight |
Partly cloudy, with a low around 9. Light southwest wind. |
| Sunday |
Sunny, with a high near 36. West southwest wind around 5 mph becoming calm. |
| Sunday Night |
Mostly clear, with a low around 10. West southwest wind around 6 mph. |
| Monday |
Mostly sunny, with a high near 38. Southwest wind around 6 mph becoming calm. |
| Monday Night |
A 10 percent chance of snow. Mostly cloudy, with a low around 18. |
| Tuesday |
Mostly sunny, with a high near 31. |
| Tuesday Night |
Mostly clear, with a low around 16. |
| Wednesday |
Sunny, with a high near 42. |
| Wednesday Night |
Partly cloudy, with a low around 23. |
| Thursday |
Mostly sunny, with a high near 42. |
| Thursday Night |
Partly cloudy, with a low around 22. |
| Friday |
Mostly sunny, with a high near 47. |
Forecast from NOAA-NWS Denver/Boulder Office
000 FXUS65 KBOU 041040 AFDBOU AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 339 AM MST SAT FEB 4 2012 .SHORT TERM...MAJOR WINTER STORM IS FINALLY WINDING DOWN AS SNOWFALL RATES EARLY THIS MORNING HAVE DROPPED OFF CONSIDERABLY. OVERALL WEAK UPSLOPE FLOW WILL CONTINUE AS SOME MINOR QG ASCENT REMAINS OVER THE AREA SO MAY SEE LINGERING LIGHT SNOW OVER THE PLAINS THIS MORNING AND OVER THE URBAN CORRIDOR HOWEVER ANY ADDITIONAL ACCUMULATIONS SHOULD BE UNDER AN INCH. MEANWHILE GUSTY WINDS WILL CONTINUE OVER PORTIONS OF THE PLAINS AND WITH SOME LIGHT SNOW WILL HAVE POOR VISIBILITIES IN THE OPEN AREAS SO WILL ISSUE A BLOWING SNOW ADVISORY THROUGH THE LATE MORNING HOURS OVER MORGAN... WASHINGTON...EASTERN ELBERT AND NRN LINCOLN COUNTIES. BY THIS AFTN SNOW SHOULD GRADUALLY END ACROSS THE AREA. HIGHS TEMPS THIS AFTN WILL REMAIN COLD WITH READINGS MAINLY IN THE UPPER 20S TO LOWER 30S ACROSS NERN CO. FOR TONIGHT SHOULD SEE SKIES GRADUALLY CLEAR WHICH SHOULD ALLOW FOR LOWS TO DROP MOSTLY INTO THE SINGLE DIGITS OVER NERN CO. BASED ON HISTORICAL FEBRUARY SNOWSTORM RECORDS THIS STORM WILL AT LEAST RIVAL THE ONE IN 1912 WHICH PRODUCED 14.1 INCHES IN DENVER. .LONG TERM...A WEAK UPPER LOW IS PROGGED TO STAY OVER COLORADO SUNDAY WELL INTO MONDAY. IT TRANSITIONS INTO AN UPPER OPEN TROUGH AND MOVES EAST ACROSS THE CWA MONDAY NIGHT. THE FLOW ALOFT STAYS PRETTY WEAK THROUGH THE PERIODS. OVERALL...ITS A PRETTY RARE LOOKING PATTERN FOR COLORADO. THE SYNOPTIC SCALE ENERGY PROGGED OVER THE CWA IS WEAK SUNDAY AND SUNDAY NIGHT. UPWARD VERTICAL VELOCITY IS PROGGED ON MONDAY INTO MONDAY EVENING....THEN DOWNWARD MOTION MOVES IN LATE MONDAY NIGHT INTO TUESDAY MORNING. THE LOW LEVEL PRESSURE AND WIND FIELDS SHOW A WEAK GRADIENT IN PLACE SUNDAY THROUGH MONDAY. THERE WILL ALSO BE A PRETTY SIGNIFICANT SNOW FIELD COVERING NEARLY ALL THE FORECAST AREA. THERE IS A WEAK SURGE OF COLDER AIR AND UPSLOPE PROGGED TO MOVE INTO THE CWA MONDAY EVENING. THE UPSLOPE ONLY LASTS INTO TUESDAY MORNING. FOR MOISTURE...THERE IS SOME OVER THE MOUNTAINS AND FOOTHILLS SUNDAY...DECREASING A BIT SUNDAY NIGHT. THERE IS LITTLE OVER THE PLAINS SUNDAY AND SUNDAY NIGHT. MOISTURE INCREASES AND DEEPENS OVER THE MOUNTAINS ON MONDAY...THE NAM BRINGING IT IN QUICKER. MOISTURE IS PRETTY GOOD OVER THE MOUNTAINS MONDAY EVENING...THEN IT DECREASES. THERE IS SOME LOW LEVEL MOISTURE OVER THE PLAINS MONDAY NIGHT WITH THE UPSLOPE...BUT IT IS NOT VERY DEEP. THE QPF FIELDS HAVE A TAD OF MEASURABLE SNOWFALL OVER THE SOUTHWESTERN CWA SUNDAY AFTERNOON INTO THE EVENING. THEN THERE IS NONE INDICTED UNTIL MONDAY AFTERNOON... WITH JUST A TAD IN THE MOUNTAINS. THIS CONTINUES MONDAY NIGHT. THE NAM ACTUALLY HAS A TAD OVER THE FOOTHILLS AND WESTERN PLAINS MONDAY NIGHT. WILL GO WITH 10-20% POPS IN THE MOUNTAINS SUNDAY AFTERNOON AND NIGHT...THEN 20-30%S MONDAY AND MONDAY EVENING. FOR THE PLAINS ...WILL GO WITH 10%S MONDAY NIGHT. FOR TEMPERATURES...SUNDAY`S HIGHS ARE 0.5 TO 1.5 C WARMER THEN TODAY`S. MONDAY`S HIGHS WARM ANOTHER 0.5 TO 1.5 C. THE SNOW FIELD SHOULD BE AROUND FOR A WHILE. FOR THE LATER DAYS...TUESDAY THROUGH FRIDAY...UPPER RIDGING DOMINATES MUCH OF TUESDAY INTO WEDNESDAY. WEDNESDAY NIGHT THROUGH FRIDAY...WEAK NORTHWESTERLY FLOW ALOFT IS PROGGED FOR THE CWA WITH AN UPPER CLOSED LOW OFF THE SOUTHWESTERN CALIFORNIA COAST AND BAJA CALIFORNIA. TEMPERATURES DO NOT LOOK VERY WARM...MAYBE UP TO SEASONAL NORMALS BY FRIDAY. && .AVIATION...LIGHT SNOW SHOULD GRADUALLY END BY 16Z WITH ADDITIONAL ACCUMULATIONS UNDER ONE HALF. CEILINGS SHOULD RISE INTO THE 3000-5000 FT RANGE BY LATE MORNING AND MAY STAY THAT WAY FOR THE AFTN. BY TONIGHT CEILINGS SHOULD RISE ABOVE 8000 FT WITH GRADUALLY CLEARING AFTER MIDNIGHT. N WINDS EARLY THIS MORNING MAY BECOME MORE NW BY EARLY AFTN AND THEN SHIFT TO SWLY AFTER SUNSET. RIGHT NOW PROPSECTS FOR FOG DEVELOPING OVERNIGHT LOOKS LOW AS WINDS ARE FCST TO BE SSW. && .BOU WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY FOR BLOWING SNOW UNTIL 11 AM MST FOR COZ044>046-049. && $$ SHORT TERM...RPK LONG TERM....RJK AVIATION...RPK
NWS BOU Office Area Forecast Discussion