National Weather Service Denver/Boulder CO 812 PM MST Sun Jan 22 2017 .UPDATE... Issued at 812 PM MST Sun Jan 22 2017 A strong west to southwest flow aloft will transport Pacific moisture to Colorado tonight. Radar showing snow increasing over western Colorado. Current observations and web cameras showing just light snow in places. Expect snow to increase over the mountains through the night as the airmass moistens. A few inches of snow will be possible over the north central mountains by Monday morning. East of the mountains, mid and high clouds will blanket the area. Expect this to keep temperatures from falling much with lows in the 20s. Forecast in good shape and will make minor tweaks to line up with current conditions.National Ag. Weather Outlook, International Ag. Weather Summary
...PIKES PEAK/PALMER DIVIDE AND SOUTHERN FOOTHILLS... CITY SKY/WX TMP DP RH WIND PRES REMARKS COLO. SPRINGS FAIR 27 16 63 E8 29.79F WCI 19 A. F. ACADEMY FAIR 26 13 60 SE7 29.75F WCI 18 SCHRIEVER AFB NOT AVBL ELLICOTT FAIR N/A N/A N/A S12 29.77F FALCON FAIR 25 15 65 CALM 29.79F FORT CARSON NOT AVBL LIMON CLOUDY 30 20 66 S12 29.78F WCI 20 MONUMENT HILL FAIR 28 14 54 S10 29.75F WCI 19 TRINIDAD FAIR 25 12 58 N5 29.80F WCI 19
857 PM MST SUN JAN 22 2017 DAY ONE TONIGHT A STORM SYSTEM WILL SPREAD MODERATE TO HEAVY WIND DRIVEN SNOW INTO THE CONTINENTAL DIVIDE TONIGHT. SCATTERED SNOW SHOWERS WILL LIKELY SPREAD INTO THE CREST OF THE SANGRE DE CRISTO MOUNTAINS AFTER MIDNIGHT. SNOW WILL BE HEAVY AT TIMES ALONG THE CONTINENTAL DIVIDE WHERE 4 TO 6 INCHES WILL BE POSSIBLE BY SUNRISE MONDAY. MOUNTAIN PASSES WILL BECOME SLICK AND SNOWPACKED WITH POOR VISIBILITIES IN BLOWING AND DRIFTING SNOW. THE CREST OF THE SANGRE DE CRISTO MOUNTAINS WILL SEE UP TO 3 INCHES OF SNOWFALL BY EARLY MONDAY MORNING. DAYS TWO THROUGH SEVEN MONDAY THROUGH SATURDAY A STORM SYSTEM WILL TRACK ACROSS COLORADO THROUGH WEDNESDAY. ROUNDS OF HEAVY BLOWING SNOW WILL MOVE THROUGH THE CONTINENTAL DIVIDE WITH PERIODS OF SNOW SHOWERS OVER THE EASTERN MOUNTAINS. ACROSS THE LOWER ELEVATIONS THERE WILL BE CHANCES FOR SNOW SHOWERS AT TIMES MAINLY IN THE SAN LUIS VALLEY AND ALONG AND NEAR THE I-25 CORRIDOR. THE BEST CHANCES FOR SNOW AT THE LOWER ELEVATIONS WILL OCCUR MONDAY NIGHT AND EARLY TUESDAY. TOTAL SNOW ACCUMULATIONS THROUGH THE EXTENDED PERIOD WILL BE SIGNIFICANT ALONG THE CONTINENTAL DIVIDE. THE EASTERN MOUNTAINS COULD SEE SEVERAL INCHES OF SNOW. ACROSS THE LOWER ELEVATIONS ONLY LIGHT ACCUMULATIONS ARE EXPECTED. SPOTTER INFORMATION STATEMENT WEATHER CONDITIONS THAT MEET REPORTING CRITERIA FOR SPOTTERS WILL BE LIKELY TONIGHT ALONG THE CONTINENTAL DIVIDE AND SANGRE DE CRISTO MOUNTAINS.
COLORADO --------------------------------------------- 6 TO 10 DAY 8 TO 14 DAY 30 DAY 90 DAY JAN 28-FEB 1 JAN 30-FEB 5 JAN JAN-MAR ----------- ----------- -------- --------- Temperature: Below Above Normal Above Precipitation: Below Below Normal Normal .... Medium and long range outlooks provided by NCEP/K. Thomas Priddy5 Day Rainfall Forecast, 6 to 10 Day , 8 to 14 Day , Text, 30-Day Outook, 90-Day Outook, 120-Day Outlook
JANUARY 23RD HISTORICAL WEATHER FACTS ...1780... The coldest day of the coldest month of record in the northeastern U.S. A British Army thermometer in New York City registered a reading of 16 degrees below zero. During that infamous hard winter the harbor was frozen solid for five weeks, and the port was cut off from sea supply. (David Ludlum) ...1971... The temperature at Prospect Creek AK plunged to 80 degrees below zero, the coldest reading of record for the United States. (David Ludlum) ...1987... Strong winds ushered bitterly cold air into the north central U.S., and produced snow squalls in the Great Lakes Region. Snowfall totals in northwest Lower Michigan ranged up to 17 inches in Leelanau County. Wind chill temperatures reached 70 degrees below zero at Sault Ste Marie MI and Hibbing MN. (National Weather Summary) (Storm Data) ...1988... Northeastern Colorado experienced its most severe windstorm in years. A wind gust to 92 mph was recorded at Boulder CO before the anenometer blew away, and in the mountains, a wind gust to 120 mph was reported at Mines Peak. The high winds blew down a partially constructed viaduct east of Boulder, as nine unanchored concrete girders, each weighing forty-five tons, were blown off their supports. (National Weather Summary) (Storm Data) ...1989... Low pressure brought heavy snow to Wyoming, with 18 inches reported at the Shoshone National Forest, and 17 inches in the Yellowstone Park area. Gunnison CO, with a low of 19 degrees below zero, was the cold spot in the nation for the twelfth day in a row. (National Weather Summary) (Storm Data) ...1990... A Pacific cold front brought strong and gusty winds to the northwestern U.S. Winds in southeastern Idaho gusted to 62 mph at Burley. Strong winds also prevailed along the eastern slopes of the northern and central Rockies. Winds in Wyoming gusted to 74 mph in Goshen County. (National Weather Summary) (Storm Data)