Alert archive / Colorado / Winter Storm Watches in 2016
Winter Storm Watch 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm watch at Jan 30, 2016, 3:14 PM MST for 22 counties in Colorado. It took effect at Jan 31, 2016, 8:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Jan 30, 2016, 3:14 PM MST (22:14 UTC)
- In effect from
- Jan 31, 2016, 8:00 PM MST
- Expired
- Jan 31, 2016, 11:43 AM MST
- In force
- Issued by
- NWS Denver/Boulder, CO
All 22 counties
Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Park County, CO, Phillips County, CO, Sedgwick County, CO, Summit County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 21 km from the middle of the area, began a volume at 22:15 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Denver, CO (KDEN), launched 12:00Z, 10.2 hours before the alert went out and 120 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2422 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 127 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
132 WWUS45 KBOU 302214 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 314 PM MST SAT JAN 30 2016 ...TWO BOUTS OF WINTER WEATHER WITH HEAVY SNOW POTENTIAL... .A STRONG AND MOIST PACIFIC JET STREAM AND UPPER LEVEL DISTURBANCE WILL PRODUCE SNOW...HEAVY AT TIMES...OVER THE NORTHERN MOUNTAINS OF COLORADO THROUGH TONIGHT. BANDS OF SNOW WILL ALSO SPREAD OVER THE PLAINS BEHIND A COLD FRONT THAT ARRIVED THIS AFTERNOON. THE SNOW IS EXPECTED TO BE VERY HEAVY AT TIMES IN THE MOUNTAINS WITH SNOWFALL RATES UP TO 2 INCHES PER HOUR AS THE MAIN BAND OF SNOW MOVES SOUTHWARD BETWEEN NOW AND THE MIDNIGHT HOUR. HAZARDOUS TRAVEL CAN BE EXPECTED IN THE MOUNTAINS WITH POOR VISIBILITY AND NEAR WHITEOUT CONDITIONS DURING THIS PERIOD OF HEAVIER SNOW. ON THE PLAINS...SOME SNOW OR SLUSH MAY ACCUMULATE ON ROADS AS SNOWFALL RATES MAY BRIEFLY TOUCH ONE INCH PER HOUR OR MORE. THE RATHER SHORT DURATION OF SNOWFALL ON THE PLAINS SHOULD LIMIT TOTAL ACCUMULATIONS TO JUST A COUPLE INCHES IN MOST SPOTS. ROUND TWO OF SNOW IS EXPECTED TO PRODUCE HEAVIER SNOW TOTALS OVER A MUCH LARGER AREA. THIS STORM SYSTEM WILL MOVE INTO THE GREAT BASIN SUNDAY NIGHT...AND THEN TRACK FROM NEAR OR JUST SOUTH OF THE FOUR CORNERS AREA TOWARD SOUTHWEST KANSAS BY EARLY TUESDAY MORNING. LIGHT SNOW IS EXPECTED TO DEVELOP AND SPREAD FROM THE MOUNTAINS SUNDAY EVENING ONTO THE PLAINS SUNDAY NIGHT AND MONDAY MORNING. SNOW INTENSITY IS EXPECTED TO INCREASE MONDAY AFTERNOON AND NIGHT...AND THEN GRADUALLY DECREASE FROM WEST TO EAST ACROSS THE AREA TUESDAY. WHILE SNOW INTENSITY MAY NOT BE HIGH AT ANY GIVEN TIME...THE LONG DURATION OF THIS STORM HAS POTENTIAL TO BRING SIGNIFICANT SNOW ACCUMULATIONS. NORTHEASTERLY WINDS WILL INCREASE ACROSS THE EASTERN PLAINS MONDAY...WITH GUSTS OF 30 TO 35 MPH POSSIBLE BY LATE MONDAY INTO TUESDAY. THAT WILL BRING POTENTIAL FOR CONSIDERABLE BLOWING AND DRIFTING SNOW. WINDS WILL BE LIGHTER FROM I-25 WESTWARD. COZ034-310615- /O.NEW.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ /O.CON.KBOU.WS.W.0001.000000T0000Z-160131T1300Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...BERTHOUD PASS...BRECKENRIDGE... EAST SLOPES MOSQUITO RANGE...EAST SLOPES SOUTHERN GORE RANGE... EISENHOWER TUNNEL...INDIAN PEAKS...KENOSHA MOUNTAINS... MOUNT EVANS...WILLIAMS FORK MOUNTAINS...WINTER PARK 314 PM MST SAT JAN 30 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MST SUNDAY... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY MORNING. * TIMING...A PERIOD OF HEAVY SNOW CAN BE EXPECTED THIS EVENING BEFORE GRADUALLY DECREASING LATE TONIGHT INTO SUNDAY MORNING. THE NEXT PIECE OF THIS STORM SYSTEM WILL ARRIVE SUNDAY NIGHT. * SNOW ACCUMULATIONS...4 TO 10 INCHES TONIGHT. THE NEXT PIECE OF THIS STORM FROM SUNDAY EVENING INTO TUESDAY MORNING MAY PRODUCE ANOTHER 8 TO 20 INCHES OF SNOW...HEAVIEST ON THE EASTERN SLOPE OF THE FRONT RANGE. * WIND/VISIBILITY...STRONG WEST WINDS GUSTING TO 40 TO 60 MPH TONIGHT WILL REDUCE VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW. FREQUENT VISIBILITIES OF LESS THAN A QUARTER MILE WILL BE POSSIBLE. WINDS AND BLOWING SNOW WILL BE SIGNIFICANTLY LESS WITH THE STORM ARRIVING SUNDAY EVENING. * IMPACTS...HEAVY SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AND SIGNIFICANTLY IMPACT TRAVEL. HAZARDOUS TRAVEL CONDITIONS WILL EXIST IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ033-310615- /O.NEW.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ /O.CON.KBOU.WS.W.0001.000000T0000Z-160131T1300Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 314 PM MST SAT JAN 30 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MST SUNDAY... ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY MORNING. * TIMING...A PERIOD OF HEAVY SNOW CAN BE EXPECTED THIS EVENING BEFORE GRADUALLY DECREASING LATE TONIGHT INTO SUNDAY MORNING. THE NEXT PIECE OF THIS STORM SYSTEM WILL ARRIVE SUNDAY NIGHT. * SNOW ACCUMULATIONS...ADDITIONAL 4 TO 8 INCHES TONIGHT. THE NEXT PIECE OF THIS STORM FROM LATE SUNDAY EVENING INTO TUESDAY MORNING MAY PRODUCE ANOTHER 8 TO 20 INCHES OF SNOW...HEAVIEST ON THE EASTERN SLOPE OF THE FRONT RANGE. * WIND/VISIBILITY...STRONG WEST WINDS GUSTING TO 40 TO 60 MPH TONIGHT WILL REDUCE VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW. FREQUENT VISIBILITIES OF LESS THAN A QUARTER MILE WILL BE POSSIBLE. WINDS AND BLOWING SNOW WILL BE SIGNIFICANTLY LESS WITH THE STORM ARRIVING SUNDAY EVENING. * IMPACTS...HEAVY SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AND SIGNIFICANTLY IMPACT TRAVEL. HAZARDOUS TRAVEL CONDITIONS WILL EXIST IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ031-310615- /O.CON.KBOU.WS.W.0001.000000T0000Z-160131T1300Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 314 PM MST SAT JAN 30 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MST SUNDAY... * TIMING...HEAVY SNOW WILL CONTINUE THIS EVENING BEFORE GRADUALLY DECREASING LATE TONIGHT INTO SUNDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL 4 TO 8 INCHES TONIGHT. * WIND/VISIBILITY...STRONG WEST WINDS GUSTING TO 40 TO 60 MPH TONIGHT WILL REDUCE VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW. FREQUENT VISIBILITIES OF LESS THAN A QUARTER MILE WILL BE POSSIBLE. WINDS AND BLOWING SNOW WILL BE SIGNIFICANTLY LESS WITH ANOTHER STORM ARRIVING SUNDAY NIGHT. * IMPACTS...HEAVY SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AND SIGNIFICANTLY IMPACT TRAVEL. HAZARDOUS TRAVEL CONDITIONS WILL EXIST IN THE MOUNTAINS...ESPECIALLY OVER PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ035>037-310615- /O.NEW.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL... LAKE GEORGE...SOUTH PARK 314 PM MST SAT JAN 30 2016 ...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY MORNING. * TIMING...SNOW WILL DEVELOP SUNDAY NIGHT AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...8 TO 18 INCHES POSSIBLE. * WIND/VISIBILITY...LIGHT EAST TO NORTHEAST WINDS. VISIBILITY OF ONE QUARTER TO ONE HALF MILE DURING PERIODS OF HEAVIER SNOWFALL. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED SUNDAY NIGHT. THE WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ038>047-049-310615- /O.NEW.KBOU.WS.A.0002.160201T0700Z-160202T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...FORDER... KARVAL...KUTCH...PUNKIN CENTER...AKRON...COPE...LAST CHANCE... OTIS 314 PM MST SAT JAN 30 2016 ...WINTER STORM WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH TUESDAY MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH TUESDAY MORNING. * TIMING...SNOW WILL DEVELOP SUNDAY NIGHT AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES POSSIBLE...WITH THE HEAVIER AMOUNTS FAVORING LOCATIONS CLOSER TO THE FOOTHILLS AND PALMER DIVIDE AREA. * WIND/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH. SOME GUSTS IN EXCESS OF 30 MPH OVER THE EASTERN PLAINS PRODUCING BLOWING AND DRIFTING SNOW. VISIBILITIES ONE HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED SUNDAY NIGHT INTO MONDAY MORNING. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ048-050-051-310615- /O.NEW.KBOU.WS.A.0002.160201T1200Z-160202T1900Z/ LOGAN COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...CROOK...MERINO...STERLING...PEETZ... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 314 PM MST SAT JAN 30 2016 ...WINTER STORM WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH TUESDAY MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH TUESDAY MORNING. * TIMING...SNOW WILL DEVELOP BY MONDAY MORNING AND GRADUALLY INCREASE THROUGH MONDAY AFTERNOON AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...4 TO 8 INCHES POSSIBLE. * WIND/VISIBILITY...NORTHEAST WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS AROUND 30 MPH. CONSIDERABLE BLOWING AND DRIFTING SNOW IN RURAL AREAS WITH VISIBILITIES UNDER ONE QUARTER MILE POSSIBLE. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED MONDAY. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
4 follow-up statements
496 WWUS45 KBOU 310419 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 919 PM MST SAT JAN 30 2016 ...ONE BOUT OF WINTER WEATHER ENDS LATE TONIGHT WITH A STRONGER STORM POSSIBLE SUNDAY NIGHT THROUGH EARLY TUESDAY... .A STRONG AND MOIST PACIFIC JET STREAM AND UPPER LEVEL DISTURBANCE WILL PRODUCE SNOW OVER THE NORTHERN MOUNTAINS OF COLORADO TONIGHT. BANDS OF SNOW WILL ALSO CONTINUE OVER THE PLAINS AS WELL. HAZARDOUS TRAVEL CAN BE EXPECTED IN THE MOUNTAINS WITH POOR VISIBILITY AND NEAR WHITEOUT CONDITIONS DURING PERIODS OF HEAVIER SNOW. ON THE PLAINS...SOME SNOW OR SLUSH MAY ACCUMULATE ON ROADS AS SNOWFALL RATES MAY BRIEFLY REACH ONE INCH PER HOUR OR MORE. THE RATHER SHORT DURATION OF SNOWFALL ON THE PLAINS SHOULD LIMIT TOTAL ACCUMULATIONS TO JUST A COUPLE INCHES IN MOST SPOTS. ROUND TWO OF SNOW IS EXPECTED TO PRODUCE HEAVIER SNOW TOTALS OVER A MUCH LARGER AREA. THIS STORM SYSTEM WILL MOVE INTO THE GREAT BASIN SUNDAY NIGHT...AND THEN TRACK JUST SOUTH OF THE FOUR CORNERS AREA TOWARDS SOUTHWEST KANSAS BY EARLY TUESDAY MORNING. LIGHT SNOW IS EXPECTED TO DEVELOP AND SPREAD FROM THE MOUNTAINS SUNDAY EVENING ONTO THE PLAINS SUNDAY NIGHT. SNOW INTENSITY WILL INCREASE ON MONDAY INTO MONDAY NIGHT...AND THEN GRADUALLY DECREASE FROM WEST TO EAST ACROSS THE AREA TUESDAY. WHILE SNOW INTENSITY MAY NOT BE HIGH AT ANY GIVEN TIME...THE LONG DURATION OF THIS STORM HAS POTENTIAL TO BRING SIGNIFICANT SNOW ACCUMULATIONS. NORTHEASTERLY WINDS WILL INCREASE ACROSS THE EASTERN PLAINS MONDAY...WITH GUSTS OF 30 TO 35 MPH POSSIBLE BY LATE MONDAY INTO TUESDAY. THAT WILL BRING POTENTIAL FOR CONSIDERABLE BLOWING AND DRIFTING SNOW. WINDS WILL BE LIGHTER FROM I-25 WESTWARD. COZ033-034-311230- /O.CON.KBOU.WS.W.0001.000000T0000Z-160131T1300Z/ /O.CON.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 919 PM MST SAT JAN 30 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MST SUNDAY... ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY MORNING... * TIMING...SNOW WILL GRADUALLY DECREASE LATE TONIGHT INTO SUNDAY MORNING. THE NEXT STORM SYSTEM WILL ARRIVE SUNDAY NIGHT INTO MONDAY. * SNOW ACCUMULATIONS...3 TO 6 INCHES TONIGHT. THE NEXT STORM FROM SUNDAY EVENING INTO TUESDAY MORNING MAY PRODUCE ANOTHER 8 TO 20 INCHES OF SNOW...HEAVIEST ON THE EASTERN SLOPE OF THE FRONT RANGE. * WIND/VISIBILITY...WEST WINDS GUSTING TO 40 MPH TONIGHT WILL REDUCE VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW. FREQUENT VISIBILITIES OF LESS THAN A QUARTER MILE WILL BE POSSIBLE. WINDS AND BLOWING SNOW WILL BE SIGNIFICANTLY LESS WITH THE STORM ARRIVING SUNDAY EVENING. * IMPACTS...HEAVY SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AND SIGNIFICANTLY IMPACT TRAVEL. HAZARDOUS TRAVEL CONDITIONS WILL EXIST IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ031-311230- /O.CON.KBOU.WS.W.0001.000000T0000Z-160131T1300Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 919 PM MST SAT JAN 30 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MST SUNDAY... * TIMING...SNOW WILL GRADUALLY DECREASE LATE TONIGHT INTO SUNDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL 2 TO 4 INCHES TONIGHT. * WIND/VISIBILITY...WEST WINDS GUSTING TO 35 TONIGHT WILL REDUCE VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW. FREQUENT VISIBILITIES OF LESS THAN A QUARTER MILE WILL BE POSSIBLE. WINDS AND BLOWING SNOW WILL BE SIGNIFICANTLY LESS WITH ANOTHER STORM ARRIVING SUNDAY NIGHT. * IMPACTS...HEAVY SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AND SIGNIFICANTLY IMPACT TRAVEL. HAZARDOUS TRAVEL CONDITIONS WILL EXIST IN THE MOUNTAINS...ESPECIALLY OVER PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ035>037-311230- /O.CON.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL... LAKE GEORGE...SOUTH PARK 919 PM MST SAT JAN 30 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM SUNDAY EVENING THROUGH TUESDAY MORNING... * TIMING...SNOW WILL DEVELOP SUNDAY NIGHT AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...8 TO 18 INCHES POSSIBLE. * WIND/VISIBILITY...LIGHT EAST TO NORTHEAST WINDS. VISIBILITY OF ONE QUARTER TO ONE HALF MILE DURING PERIODS OF HEAVIER SNOWFALL. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED SUNDAY NIGHT. THE WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ038>047-049-311230- /O.CON.KBOU.WS.A.0002.160201T0700Z-160202T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...FORDER... KARVAL...KUTCH...PUNKIN CENTER...AKRON...COPE...LAST CHANCE... OTIS 919 PM MST SAT JAN 30 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH TUESDAY MORNING... * TIMING...SNOW WILL DEVELOP SUNDAY NIGHT AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES POSSIBLE...WITH THE HEAVIER AMOUNTS FAVORING LOCATIONS CLOSER TO THE FOOTHILLS AND PALMER DIVIDE AREA. * WIND/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH. SOME GUSTS IN EXCESS OF 30 MPH OVER THE EASTERN PLAINS PRODUCING BLOWING AND DRIFTING SNOW. VISIBILITIES ONE HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED SUNDAY NIGHT INTO MONDAY MORNING. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ048-050-051-311230- /O.CON.KBOU.WS.A.0002.160201T1200Z-160202T1900Z/ LOGAN COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...CROOK...MERINO...STERLING...PEETZ... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 919 PM MST SAT JAN 30 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE SUNDAY NIGHT THROUGH TUESDAY MORNING... * TIMING...SNOW WILL DEVELOP BY MONDAY MORNING AND GRADUALLY INCREASE THROUGH MONDAY AFTERNOON AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...4 TO 8 INCHES POSSIBLE. * WIND/VISIBILITY...NORTHEAST WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS AROUND 30 MPH. CONSIDERABLE BLOWING AND DRIFTING SNOW IN RURAL AREAS WITH VISIBILITIES UNDER ONE QUARTER MILE POSSIBLE. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED MONDAY. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
501 WWUS45 KBOU 310936 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 236 AM MST SUN JAN 31 2016 ...MOUNTAIN SNOW TO COME TO A BRIEF ENDING AROUND MID MORNING... ...STRONG STORM EXPECTED TONIGHT THROUGH EARLY TUESDAY... .A STRONG AND MOIST PACIFIC JET STREAM AND UPPER LEVEL DISTURBANCE WILL PRODUCE SNOW OVER THE NORTHERN MOUNTAINS OF COLORADO THROUGH MID MORNING. HAZARDOUS TRAVEL CONDITIONS ARE OCCURRING IN THE MOUNTAINS WITH POOR VISIBILITY AND NEAR WHITEOUTS IN PLACES. ROUND TWO OF SNOW IS EXPECTED TO PRODUCE HEAVIER SNOW TOTALS OVER A MUCH LARGER AREA. THIS STORM SYSTEM WILL MOVE INTO THE GREAT BASIN TONIGHT...AND THEN TRACK JUST SOUTH OF THE FOUR CORNERS AREA TOWARDS SOUTHWEST KANSAS BY EARLY TUESDAY MORNING. LIGHT SNOW IS EXPECTED TO DEVELOP AND SPREAD FROM THE MOUNTAINS THIS EVENING ONTO THE PLAINS TONIGHT. SNOW INTENSITY WILL INCREASE ON MONDAY INTO MONDAY NIGHT...AND THEN GRADUALLY DECREASE FROM WEST TO EAST ACROSS THE AREA TUESDAY. WHILE SNOW INTENSITY MAY NOT BE HIGH AT ANY GIVEN TIME...THE LONG DURATION OF THIS STORM HAS POTENTIAL TO BRING SIGNIFICANT SNOW ACCUMULATIONS. NORTHEASTERLY WINDS WILL INCREASE ACROSS THE EASTERN PLAINS MONDAY...WITH GUSTS OF 30 TO 35 MPH POSSIBLE BY LATE MONDAY INTO TUESDAY. THAT WILL BRING POTENTIAL FOR CONSIDERABLE BLOWING AND DRIFTING SNOW. WINDS WILL BE LIGHTER FROM I-25 WESTWARD. COZ033-034-311800- /O.EXT.KBOU.WS.W.0001.000000T0000Z-160131T1600Z/ /O.CON.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 236 AM MST SUN JAN 31 2016 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 AM MST THIS MORNING... ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH TUESDAY MORNING... * TIMING...SNOW WILL GRADUALLY DECREASE THIS MORNING. THE NEXT STORM SYSTEM WILL ARRIVE TONIGHT INTO MONDAY. * SNOW ACCUMULATIONS...UP TO 3 MORE INCHES THROUGH THIS MORNING. THE NEXT STORM FROM THIS EVENING INTO TUESDAY MORNING MAY PRODUCE ANOTHER 8 TO 20 INCHES OF SNOW...HEAVIEST ON THE EASTERN SLOPE OF THE FRONT RANGE. * WIND/VISIBILITY...WEST WINDS GUSTING TO 40 MPH TONIGHT WILL REDUCE VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW. FREQUENT VISIBILITIES OF LESS THAN A QUARTER MILE WILL BE POSSIBLE. WINDS AND BLOWING SNOW WILL BE SIGNIFICANTLY LESS WITH THE STORM ARRIVING THIS EVENING. * IMPACTS...HEAVY SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AND SIGNIFICANTLY IMPACT TRAVEL. HAZARDOUS TRAVEL CONDITIONS ARE OCCURRING IN THE MOUNTAINS WITH POOR VISIBILITY AND NEAR WHITEOUTS IN PLACES. CONDITIONS WILL IMPROVE THROUGH TODAY...BUT DETERIORATE AGAIN TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ031-311600- /O.EXT.KBOU.WS.W.0001.000000T0000Z-160131T1600Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 236 AM MST SUN JAN 31 2016 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 AM MST THIS MORNING... * TIMING...SNOW WILL GRADUALLY DECREASE THIS MORNING. * SNOW ACCUMULATIONS...ADDITIONAL UP TO 3 INCHES TONIGHT. * WIND/VISIBILITY...WEST WINDS GUSTING TO 35 WILL REDUCE VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW. FREQUENT VISIBILITIES OF LESS THAN A QUARTER MILE WILL BE POSSIBLE. WINDS AND BLOWING SNOW WILL BE SIGNIFICANTLY LESS WITH ANOTHER STORM ARRIVING TONIGHT. * IMPACTS...HEAVY SNOW AND BLOWING SNOW WILL REDUCE VISIBILITY AND SIGNIFICANTLY IMPACT TRAVEL. HAZARDOUS TRAVEL CONDITIONS ARE OCCURRING IN THE MOUNTAINS WITH POOR VISIBILITY AND NEAR WHITEOUTS IN PLACES. CONDITIONS WILL IMPROVE THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ035>037-311800- /O.CON.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL... LAKE GEORGE...SOUTH PARK 236 AM MST SUN JAN 31 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH TUESDAY MORNING... * TIMING...SNOW WILL DEVELOP TONIGHT AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...8 TO 18 INCHES POSSIBLE. * WIND/VISIBILITY...LIGHT EAST TO NORTHEAST WINDS. VISIBILITY OF ONE QUARTER TO ONE HALF MILE DURING PERIODS OF HEAVIER SNOWFALL. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED TONIGHT. THE WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ038>047-049-311800- /O.CON.KBOU.WS.A.0002.160201T0700Z-160202T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...FORDER... KARVAL...KUTCH...PUNKIN CENTER...AKRON...COPE...LAST CHANCE... OTIS 236 AM MST SUN JAN 31 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... * TIMING...SNOW WILL DEVELOP TONIGHT AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES POSSIBLE...WITH THE HEAVIER AMOUNTS FAVORING LOCATIONS CLOSER TO THE FOOTHILLS AND PALMER DIVIDE AREA. * WIND/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH. SOME GUSTS IN EXCESS OF 30 MPH OVER THE EASTERN PLAINS PRODUCING BLOWING AND DRIFTING SNOW. VISIBILITIES ONE HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED TONIGHT INTO MONDAY MORNING. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ048-050-051-311800- /O.CON.KBOU.WS.A.0002.160201T1200Z-160202T1900Z/ LOGAN COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...CROOK...MERINO...STERLING...PEETZ... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 236 AM MST SUN JAN 31 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... * TIMING...SNOW WILL DEVELOP BY MONDAY MORNING AND GRADUALLY INCREASE THROUGH MONDAY AFTERNOON AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...4 TO 8 INCHES POSSIBLE. * WIND/VISIBILITY...NORTHEAST WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS AROUND 30 MPH. CONSIDERABLE BLOWING AND DRIFTING SNOW IN RURAL AREAS WITH VISIBILITIES UNDER ONE QUARTER MILE POSSIBLE. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED MONDAY. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
749 WWUS45 KBOU 311544 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 844 AM MST SUN JAN 31 2016 ...STRONG STORM EXPECTED TONIGHT THROUGH EARLY TUESDAY... .A STORM SYSTEM WILL MOVE INTO THE GREAT BASIN TONIGHT...AND THEN TRACK JUST SOUTH OF THE FOUR CORNERS AREA TOWARDS SOUTHWEST KANSAS BY EARLY TUESDAY MORNING. LIGHT SNOW IS EXPECTED TO DEVELOP AND SPREAD FROM THE MOUNTAINS THIS EVENING ONTO THE PLAINS TONIGHT. SNOW INTENSITY WILL INCREASE ON MONDAY INTO MONDAY NIGHT...AND THEN GRADUALLY DECREASE FROM WEST TO EAST ACROSS THE AREA TUESDAY. WHILE SNOW INTENSITY MAY NOT BE HIGH AT ANY GIVEN TIME...THE LONG DURATION OF THIS STORM HAS POTENTIAL TO BRING SIGNIFICANT SNOW ACCUMULATIONS. NORTHEASTERLY WINDS WILL INCREASE ACROSS THE EASTERN PLAINS MONDAY...WITH GUSTS OF 30 TO 35 MPH POSSIBLE BY LATE MONDAY INTO TUESDAY. THAT WILL BRING POTENTIAL FOR CONSIDERABLE BLOWING AND DRIFTING SNOW. WINDS WILL BE LIGHTER FROM I-25 WESTWARD. COZ033-034-312345- /O.CAN.KBOU.WS.W.0001.000000T0000Z-160131T1600Z/ /O.CON.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 844 AM MST SUN JAN 31 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 8 PM MST THIS EVENING THROUGH TUESDAY MORNING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. * TIMING...THE NEXT STORM SYSTEM WILL BEGIN THIS EVENING AND LAST INTO TUESDAY MORNING. * SNOW ACCUMULATIONS...8 TO 20 INCHES OF SNOW...HEAVIEST ON THE EASTERN SLOPES OF THE FRONT RANGE. * VISIBILITY...VISIBILITIES OF LESS THAN A HALF MILE WILL BE POSSIBLE AT TIMES IN HEAVIER FALLING SNOW. * IMPACTS...HEAVY SNOW MAY SIGNIFICANTLY IMPACT TRAVEL...WITH POOR VISIBILITY AND NEAR WHITEOUT CONDITIONS AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ031-311645- /O.CAN.KBOU.WS.W.0001.000000T0000Z-160131T1600Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 844 AM MST SUN JAN 31 2016 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. $$ COZ035>037-312345- /O.CON.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL... LAKE GEORGE...SOUTH PARK 844 AM MST SUN JAN 31 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 8 PM MST THIS EVENING THROUGH TUESDAY MORNING... * TIMING...SNOW WILL DEVELOP TONIGHT AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...8 TO 18 INCHES POSSIBLE. * WIND/VISIBILITY...LIGHT EAST TO NORTHEAST WINDS. VISIBILITY OF ONE QUARTER TO ONE HALF MILE DURING PERIODS OF HEAVIER SNOWFALL. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED TONIGHT. THE WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ038>047-049-312345- /O.CON.KBOU.WS.A.0002.160201T0700Z-160202T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...FORDER... KARVAL...KUTCH...PUNKIN CENTER...AKRON...COPE...LAST CHANCE... OTIS 844 AM MST SUN JAN 31 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... * TIMING...SNOW WILL DEVELOP TONIGHT AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES POSSIBLE...WITH THE HEAVIER AMOUNTS FAVORING LOCATIONS CLOSER TO THE FOOTHILLS AND PALMER DIVIDE AREA. * WIND/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH. SOME GUSTS IN EXCESS OF 30 MPH OVER THE EASTERN PLAINS PRODUCING BLOWING AND DRIFTING SNOW. VISIBILITIES ONE HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED TONIGHT INTO MONDAY MORNING. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ048-050-051-312345- /O.CON.KBOU.WS.A.0002.160201T1200Z-160202T1900Z/ LOGAN COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...CROOK...MERINO...STERLING...PEETZ... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 844 AM MST SUN JAN 31 2016 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH TUESDAY MORNING... * TIMING...SNOW WILL DEVELOP BY MONDAY MORNING AND GRADUALLY INCREASE THROUGH MONDAY AFTERNOON AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...4 TO 8 INCHES POSSIBLE. * WIND/VISIBILITY...NORTHEAST WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS AROUND 30 MPH. CONSIDERABLE BLOWING AND DRIFTING SNOW IN RURAL AREAS WITH VISIBILITIES UNDER ONE QUARTER MILE POSSIBLE. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED MONDAY. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
259 WWUS45 KBOU 311843 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1143 AM MST SUN JAN 31 2016 ...PROLONGED WINTER STORM WITH SIGNIFICANT SNOW ACCUMULATIONS... .A SLOW MOVING AND STRONG PACIFIC STORM SYSTEM WILL MOVE INTO THE GREAT BASIN TONIGHT TO JUST SOUTH OF THE FOUR CORNERS AREA MONDAY...AND THEN INTO SOUTHWEST KANSAS BY LATE MONDAY NIGHT. BANDS OF SNOW ARE EXPECTED TO SPREAD NORTHEAST ACROSS NORTH CENTRAL AND NORTHEAST COLORADO THIS EVENING...AND CONTINUE OVERNIGHT. SNOW WILL BECOME HEAVIER IN MOST LOCATIONS BY LATE MONDAY MORNING AND CONTINUE THROUGH MONDAY NIGHT...BEFORE FINALLY DECREASING FROM WEST TO EAST ACROSS THE AREA TUESDAY MORNING. WHILE SNOW INTENSITY MAY NOT BE HIGH AT ANY GIVEN TIME...THE LONG DURATION OF THIS STORM WILL LIKELY BRING SIGNIFICANT SNOW ACCUMULATIONS. NORTHEASTERLY WINDS WILL INCREASE ACROSS THE EASTERN PLAINS MONDAY...WITH GUSTS AROUND 35 POSSIBLE BY LATE MONDAY THROUGH TUESDAY. THAT IS EXPECTED TO PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES ON THE HIGH PLAINS. WINDS WILL BE LIGHTER FROM I-25 WESTWARD. COZ033>037-010400- /O.UPG.KBOU.WS.A.0002.160201T0300Z-160202T1900Z/ /O.NEW.KBOU.WS.W.0002.160201T0000Z-160202T1900Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY... HARTSEL...LAKE GEORGE...SOUTH PARK 1143 AM MST SUN JAN 31 2016 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO NOON MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO NOON MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP TONIGHT AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...10 TO 24 INCHES...HEAVIEST AMOUNTS ON EAST FACING SLOPES OF THE FRONT RANGE. * WIND/VISIBILITY...LIGHT EAST TO NORTHEAST WINDS. VISIBILITY OF ONE QUARTER TO ONE HALF MILE DURING PERIODS OF HEAVIER SNOWFALL. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED. TRAVEL WILL BECOME DIFFICULT IF NOT IMPOSSIBLE ON SOME SECONDARY ROADS DUE TO THE DEPTH OF SNOW. THE WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ038>041-043-045>047-010400- /O.UPG.KBOU.WS.A.0002.160201T0700Z-160202T1900Z/ /O.NEW.KBOU.WS.W.0002.160201T0300Z-160202T1900Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND SOUTH WELD COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA... BRIGHTON...CITY OF DENVER...DENVER INTERNATIONAL AIRPORT... HIGHLANDS RANCH...LITTLETON...PARKER...CASTLE ROCK...ELBERT... FONDIS...KIOWA...LARKSPUR...EATON...FORT LUPTON...GREELEY... ROGGEN...BENNETT...BYERS...DEER TRAIL...LEADER...AGATE...HUGO... LIMON...MATHESON...FORDER...KARVAL...KUTCH...PUNKIN CENTER 1143 AM MST SUN JAN 31 2016 ...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO NOON MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO NOON MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP THIS EVENING AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...6 TO 14 INCHES...WITH THE HEAVIER AMOUNTS FAVORING LOCATIONS CLOSER TO THE FOOTHILLS AND PALMER DIVIDE AREA. * WIND/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH. GUSTS REACHING 30 TO 35 MPH OVER THE EASTERN PLAINS PRODUCING BLOWING AND DRIFTING SNOW. VISIBILITIES ONE HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED TONIGHT INTO MONDAY MORNING. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. SOME ROAD CLOSURES WILL BE POSSIBLE ON THE EASTERN PLAINS WITH CONSIDERABLE BLOWING AND DRIFTING SNOW IN RURAL AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ048-050-051-010400- /O.UPG.KBOU.WS.A.0002.160201T1200Z-160202T1900Z/ /O.NEW.KBOU.WS.W.0002.160201T0700Z-160202T1900Z/ LOGAN COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...CROOK...MERINO...STERLING...PEETZ... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 1143 AM MST SUN JAN 31 2016 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP LATE TONIGHT AND GRADUALLY INCREASE THROUGH MONDAY AFTERNOON AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * WIND/VISIBILITY...NORTHEAST WINDS INCREASING TO 15 TO 25 MPH WITH GUSTS AROUND 35 MPH. CONSIDERABLE BLOWING AND DRIFTING SNOW IN RURAL AREAS WITH VISIBILITIES UNDER ONE QUARTER MILE POSSIBLE. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED MONDAY. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ042-044-049-010400- /O.UPG.KBOU.WS.A.0002.160201T0700Z-160202T1900Z/ /O.NEW.KBOU.WS.W.0002.160201T0700Z-160202T1900Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... AKRON...COPE...LAST CHANCE...OTIS 1143 AM MST SUN JAN 31 2016 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP LATE THIS EVENING AND GRADUALLY INCREASE THROUGH MONDAY AND MONDAY NIGHT. THE SNOW IS EXPECTED TO FINALLY TAPER OFF TUESDAY MORNING. * SNOW ACCUMULATIONS...6 TO 12 INCHES. * WIND/VISIBILITY...NORTHEAST WINDS 10 TO 20 MPH. SOME GUSTS IN EXCESS OF 30 MPH PRODUCING BLOWING AND DRIFTING SNOW. VISIBILITIES ONE HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL WILL BECOME HAZARDOUS AS SNOW DEVELOPS AND ROADS BECOME SNOW COVERED TONIGHT INTO MONDAY MORNING. HAZARDOUS WINTER TRAVEL CONDITIONS WILL PERSIST INTO TUESDAY MORNING. SOME RURAL ROADS MAY BE CLOSED BY THE DEPTH OF SNOW AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$
What forecasters said that day
The local office's own words before this winter storm watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter storm watch went out at Jan 30, 11:10 AM MST, 4 hours 4 minutes earlier.
Area forecast discussion, Jan 30, 11:10 AM MST, 4 hours 4 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1110 AM MST SAT JAN 30 2016 .UPDATE... ISSUED AT 1110 AM MST SAT JAN 30 2016 COLD FRONT CURRENTLY DROPPING THROUGH FAR SOUTHERN WYOMING WITH LOW STRATUS VISIBLE ON SATELLITE SINKING SOUTH. GENERAL RULE OF THUMB IS FOR A FRONTAL PASSAGE THROUGH DENVER ABOUT 3 HOURS AFTER CHEYENNE...SO CURRENT FORECAST OF BETWEEN 1 TO 2 PM IS GOOD. TEMPERATURES WILL BE COOLING BEHIND THIS FRONT AS WELL AS A FEW SHOWERS POSSIBLE. SHOWERS WILL BE RAIN AT FIRST...BUT MAY MIX WITH SNOW AFTER A COUPLE HOURS IF NOT SOONER. HIGH RESOLUTION MODELS CONTINUE TO SHOW THE EAST-WEST ORIENTED SNOWBAND FORMING THIS EVENING ACROSS THE MOUNTAINS AND OVER THE PLAINS. IT WILL PRODUCE HEAVY SNOWFALL RATES...OF AROUND 2 INCHES OR MORE PER HOUR IN THE MOUNTAINS AND AROUND AN INCH OR MORE PER HOUR OVER THE PLAINS. TIMING LOOKS TO PUSH IT OVER THE I70 CORRIDOR IN THE MOUNTAINS AROUND 6 PM AND LASTING MOST OF THE EVENING...AFFECTING MOUNTAIN TRAVELERS. OVER THE PLAINS...IT WILL BEGIN AROUND 5 PM NEAR THE WYOMING BORDER THEN SINK SOUTH OVER THE DENVER AREA BY ABOUT 8 OR 9 PM TO LAST THROUGH ABOUT MIDNIGHT. WITH TODAYS WARM TEMPERATURES OVER THE PLAINS THE THEN COLD AIR...INITIAL SNOWFALL MAY MELT AND TURN TO ICE QUICKLY ON PAVEMENT BEFORE ACCUMULATING. 1 TO 2 INCHES OF SNOW CAN BE EXPECTED WITH THIS SNOWBAND...POSSIBLY 3 TO 4 IN LOCALIZED PLACES. && .SHORT TERM...(TODAY THROUGH SUNDAY TONIGHT) ISSUED AT 330 AM MST SAT JAN 30 2016 STRONG WESTERLY FLOW ALOFT WILL CONTINUE TO TRANSPORT PACIFIC MOISTURE ACROSS THE WESTERN STATES TODAY. CURRENTLY...THE JET IS TO THE NORTH OF COLORADO. IT WILL SINK SOUTH THROUGH THE DAY. THE BEST SNOW THIS MORNING WILL BE OVER NORTH CENTRAL COLORADO AND TO THE NORTH. BECAUSE OF THIS...WILL DELAY THE START TIME OF THE WINTER STORM WARNING FOR ZONE 34...ALONG I-70 AND SOUTH. AS THE JET SINKS SOUTH...SNOW WILL INCREASE THIS AFTERNOON AND TONIGHT. TEMPERATURES WILL BE MILD AGAIN TODAY OVER THE AREA. A COLD FRONT WILL PUSH SOUTH ACROSS THE AREA THIS AFTERNOON. TEMPERATURES WILL FALL QUICKLY BEHIND THE FRONT AND BY EARLY EVENING...IT SHOULD BE COLD ENOUGH FOR SNOW. A BAND OF HEAVY SNOW...WEST-EAST ORIENTED...SHOULD FORM LATE THIS AFTERNOON/EARLY EVENING OVER NORTHERN COLORADO AND THEN SINK SOUTH THIS EVENING DUE TO STRONG FRONTOGENESIS AT 700MB. THIS BAND WILL MAKE IT ONTO THE FRONT RANGE AND EASTERN PLAINS. SNOWFALL RATES COULD REACH 2 INCHES AN HOUR UNDER THIS BAND... ESPECIALLY IN THE MOUNTAINS. EXPECT THIS BAND OF SNOW TO PRODUCE 1-2 INCHES OF SNOW ACROSS THE FRONT RANGE...INCLUDING THE DENVER METRO AREA. A FEW LOCATIONS MAY EXCEED 2 INCHES WHERE THE BAND LINGERS A LITTLE LONGER. CRANKED UP POPS FOR THIS AND WILL HIT THIS FEATURE HARD IN THE HWO AND SOCIAL MEDIA PRODUCTS. EXPECT ROADS TO BECOME SNOW COVERED AND SLIPPERY THIS EVENING DUE TO THE STRONG INTENSITY OF THE SNOWFALL A BREAK IN SNOW IS EXPECTED SUNDAY FOR MOST AREAS. THE GFS AND ECMWF SHOW LIGHT SNOWFALL AMOUNTS OVER THE SOUTHWEST PARTS OF THE AREA DUE TO LIFT FROM THE JET. BEST CHANCE WILL BE OVER THE MOUNTAINS DUE TO ADDITIONAL LIFTING FROM OROGRAPHICS. WITH THE LACK OF DOWNSLOPE...LIGHT SNOW MAY SPREAD ONTO THE SOUTHERN FRONT RANGE. FOR SUNDAY NIGHT...SNOW WILL INCREASE THROUGH THE NIGHT DUE TO LIFT FROM THE APPROACHING STORM. A COUPLED JET WILL ALSO BE OVER COLORADO AND ADD TO THE LIFT. LOW LEVEL WINDS TURN EASTERLY BY 12Z MONDAY. THIS LIFT IS EXPECTED TO PRODUCE WIDESPREAD SNOW AFTER MIDNIGHT. BY 12Z MONDAY MORNING...EXPECT 1 TO 3 INCHES OF SNOW ACCUMULATION WITH SNOW GOING GOOD ACROSS MOST OF THE AREA. .LONG TERM...(MONDAY THROUGH FRIDAY) ISSUED AT 330 AM MST SAT JAN 30 2016 BY MONDAY MORNING...MODEL CONSENSUS SHOWS A LARGE SCALE TROUGH CONTINUING TO STRENGTHEN/DEEPEN AS IT MIGRATES EASTWARD ACRS NEVADA/WRN UTAH/NRN ARIZONA. DOWNSTREAM OVER COLORADO 30-40KT SOUTH-SOUTHWESTERLY 700-550 MB FLOW WILL CONTINUE TO TRANSPORT AN INCREASING AMOUNT OF MOISTURE OF PACIFIC ORIGIN OVER THE STATE. ON THE PLAINS...STRENGTHENING EAST-SOUTHEASTERLY LOW-LEVEL FLOW WILL PROVIDE ADDITIONAL MOISTURE FURTHER AIDING IN SATURATING THE AIRMASS OVER NERN COLORADO ON MONDAY. BY MONDAY AFTERNOON...MODELS SHOW A SFC-700MB CYCLONE FORMING IN SOUTHEAST COLORADO. MODELS DIFFER AS TO WHERE THIS LOW WILL EVENTUALLY FORM. BY 00Z/TUE... THE GFS PLACES IT ABOUT ON LA JUNTA...THE NAM NEAR TRINIDAD...THE ECMWF NEAR SPRINGFIELD IN THE SERN CORNER OF THE STATE...AND THE CANADIAN GEM OVER THE WRN TIP OF THE OKLAHOMA PANHANDLE. AS THE UPPER TROUGH CLOSES IN ON EASTERN COLORADO...MANY OF THE MODELS SHOW THE TROUGH ATTEMPTING TO FORM A CLOSED LOW IN THE FOUR CORNERS AREAS MONDAY AFTERNOON. BY MONDAY EVENING NEARLY ALL OF THE MODELS WITH THE EXCEPTION OF THE CANADIAN GEM SHOW THE BOTTOM END OF A NEGATIVELY TILED TROUGH CLOSING OFF OVER THE SFC LOW IN SERN COLORADO. IT IS ABOUT THAT TIME WHEN THIS SYSTEM UNDERGOES THE NEXT PHASE OF INTENSIFICATION AS INDICATED BY THE LARGE QG ASCENT VALUES OVER E-CENTRAL AND NERN COLORADO. E-SELY LOW-LEVEL FLOW ON THE PLAINS DURING THE EVENING IS PROGGED TO TURN NELY ACCORDING TO THE GFS AND ECMWF WITH THE UPPER LOW TRACKING NELY. WINDS SPEEDS AND SNOWFALL RATES ALONG AND EAST OF THE FRONT RANGE MTNS ARE LIKELY TO BE AT THEIR GREATEST OVERNIGHT...PARTICULARLY DURING THE EVENING HOURS. BASED ON A BLEND OF THE MODELS...SREF ENSEMBLE AND WPC GUIDANCE...COULD SEE 1-2 INCH PER HOUR SNOWFALL RATES OVER/ALONG THE PALMER DIVIDE AS FAR NORTH AS THE DENVER METRO AREA DURING THE EVENING HOURS. IN ADDITION...FALLING TEMPERATURES COUPLED WITH GUSTY N-NELY SFC WINDS OF 15-25KTS WILL HAVE LITTLE DIFFICULTY PRODUCING BLOWING AND DRIFTING SNOW ON THE OPEN PLAINS. PRELIMINARY SNOW TOTALS FOR PERIOD 12Z/SUN-12Z/TUE RUN ANYWHERE FROM AROUND 5-14 INCHES ON THE PLAINS WITH THE LOWER AMOUNTS ALONG THE WYO/NEB BORDER AND HIGHER AMOUNTS IN THE DENVER AREA...12-16 INCHES ON THE PALMER DIVIDE...8-18 INCHES AS A GENERAL RULE IN THE FRONT RANGE FOOTHILLS WITH THE HIGHER AMOUNTS SOUTH OF I-70...5-12 INCHES IN THE HIGH MTN VALLEYS...AND ANYWHERE FROM 8 TO 28 INCHES IN THE MTN ZONES 31..33 AND 34...WITH THE HIGHER AMOUNTS ONCE AGAIN ROUGHLY SOUTH OF I-70. IT MUST BE STRESSED THAT THESE AMOUNTS ARE VERY PRELIMINARY AND NO DOUBT SUBJECT TO CHANGE DURING THE NEXT COUPLE OF DAYS. ALL DEPENDS ON WHERE THE SFC AND UPPER LOWS FORM AND THEIR EVENTUAL PATHS. PAST FEW DAYS MODELS HAVE BEEN OSCILLATING BACK AND FORTH BETWEEN LOWS NORTH AND SOUTH OF THEIR CURRENT PROJECTED TRAJECTORY. FOR THAT REASON AND OTHERS...ITS STILL PREMATURE TO HOIST ANY WINTER HIGHLIGHTS FOR THE PLAINS. BUT NO DOUBT HIGHLIGHTS WILL BE NECESSARY AT SOME POINT. LOOKING AHEAD TO THE REMAINDER OF THE WEEK...MODELS SHOW THE UPPER TROUGH QUICKLY LIFTING OUT OF THE AREA ACROSS THE UPPER MIDWEST BY MID-WEEK. THAT SAID...THE CWA WILL STILL NOT OUT OF THE WOODS WITH REGARD TO SNOW AND COLD. MODELS SHOW A WEAK DISTURBANCE AND SFC COLD FRONT CLIPPING THE AREA ON WEDNESDAY BRINGING ANOTHER SHOT OF SNOW AND GUSTY WINDS TO THE HIGH COUNTRY AND A SLIGHT CHANCE OF SNOW TO THE PLAINS. TEMPERATURES SUNDAY THROUGH WEDNESDAY WILL RUN WELL BELOW AVERAGE WITH THE COLDEST READINGS LIKELY ON TUESDAY AND WEDNESDAY. THIS CLIPPER SYSTEM RACES EAST OF THE STATE BY WEDNESDAY NIGHT OPENING THE WAY TO A GRADUAL WARM UP AND MUCH DRIER CONDITIONS FOR THE END OF THE WEEK. && .AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SUNDAY AFTERNOON) ISSUED AT 1110 AM MST SAT JAN 30 2016 A COLD FRONT IS CURRENTLY ALONG THE COLORADO/WYOMING BORDER AND WILL PUSH SOUTH THROUGH THE AREA THIS AFTERNOON. AT KDEN...WINDS WILL SHIFT TO THE NORTHEAST WITH THE FRONTAL PASSAGE BETWEEN 20-21Z. LOW MVFR CEILINGS WILL PUSH IN QUITE QUICKLY BEHIND THE FRONT...MAY NEED TO SPEED THE TIMING UP IN THE TAFS ONCE THE FRONT MOVES INTO THE STATE. A BAND OF SNOW IS EXPECTED TO FORM THIS EVENING AND PUSH SOUTH ACROSS THE FRONT RANGE. THE BAND SHOULD START OVER THE WY/CO BORDER AROUND 00Z THEN MARCH SOUTH TO BE NEAR KDEN AROUND 03Z TO AFFECT THE AREA THROUGH 09Z. SNOWFALL OF UP TO 2 INCHES IS EXPECTED. IF A BAND OF HEAVY SNOW LINGERS OVER THE AIRPORT...3 TO 4 INCHES OF SNOW MAY FALL. VISIBILITY MAY DROP TO A QUARTER MILE UNDER THE HEAVY SNOW. CONDITIONS WILL IMPROVE AFTER 09Z...BUT CEILINGS WILL REMAIN LESS THAN 3000 FEET. && .BOU WATCHES/WARNINGS/ADVISORIES... WINTER STORM WARNING FROM 3 PM THIS AFTERNOON TO 6 AM MST SUNDAY FOR COZ034. WINTER STORM WARNING UNTIL 6 AM MST SUNDAY FOR COZ031-033. && UPDATE...KRIEDERMAN SHORT TERM...MEIER LONG TERM...BAKER AVIATION...KRIEDERMAN
Hazardous weather outlook, Jan 30, 11:16 AM MST, 3 hours 58 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1116 AM MST SAT JAN 30 2016 COZ030>051-311830- JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 1116 AM MST SAT JAN 30 2016 ...WINTER STORM WARNING FOR THE MOUNTAINS THROUGH TONIGHT... ...WINTER STORM AND HEAVY SNOW LIKELY FOR MOST OF COLORADO SUNDAY NIGHT THROUGH EARLY TUESDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT SNOW OVER THE NORTHERN CENTRAL MOUNTAINS WILL SPREAD SOUTH TODAY. SNOW WILL BE HEAVY AT TIMES THIS AFTERNOON AND EVENING AS A COLD FRONT DROPS SOUTH. A BAND OF SNOW IS EXPECTED FOR FORM OVER THE AREA. THIS BAND SHOULD EFFECT THE I70 CORRIDOR IN THE MOUNTAINS AROUND 5 PM THROUGH MIDNIGHT...AND WILL MOVE SOUTH ACROSS THE FRONT RANGE AND EASTERN PLAINS FROM 6 PM THROUGH MIDNIGHT AS WELL. SNOWFALL RATES UNDER THE BAND MAY BE 2 TO 3 INCHES PER HOUR OVER THE MOUNTAINS...AND 1 TO 2 INCHES PER HOUR OVER THE PLAINS. TOTAL SNOWFALL FOR THE HIGHER MOUNTAINS THROUGH SATURDAY NIGHT LOOK TO BE 8 TO 14 INCHES WITH UP TO 2 FEET OVER WESTERN JACKSON AND GRAND COUNTIES. FOR THE FRONT RANGE AND EASTERN PLAINS...UP TO 2 INCHES OF SNOW WILL BE POSSIBLE TONIGHT. A FEW LOCATIONS MAY SEE AROUND 3 INCHES OF SNOW IF THE SNOW BAND LINGERS A LITTLE LONGER. ROADS IN THE MOUNTAINS WILL BECOME SNOWPACKED AND SLIPPERY... ESPECIALLY THIS EVENING WHEN TEMPERATURES FALL AND THE SNOWBAND PUSHES ACROSS. ALONG THE FRONT RANGE AND PARTS OF THE EASTERN PLAINS...ROADS WILL INITIALLY BECOME SLUSHY AND POTENTIALLY ICY UNDER THE SNOWBAND...THEN BECOME SNOW COVERED WHERE HEAVY SNOW FALL OCCURS. EXPECT RAPIDLY CHANGING CONDITIONS IF TRAVELING TONIGHT. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE THREAT OF HEAVY SNOW WILL RETURN TO THE FORECAST AREA BY SUNDAY NIGHT...AND CONTINUE THROUGH MONDAY AND MONDAY NIGHT BEFORE GRADUALLY DECREASING ON TUESDAY. A POTENT STORM SYSTEM OUT IN THE PACIFIC IS EXPECTED TO ORGANIZE IN THE GREAT BASIN AND THEN TRACK EAST FROM THE FOUR CORNERS REGION INTO SOUTHWEST KANSAS. THIS STORM SYSTEM CONTAINS AMPLE AMOUNTS OF PACIFIC MOISTURE AND JET STREAM ENERGY...WHICH ARE LIKELY TO RESULT IN SUBSTANTIAL SNOW ACCUMULATION FOR MUCH OF THE REGION. THE HEAVIEST SNOWFALL EAST OF THE MOUNTAINS IS EXPECTED ON MONDAY AND MONDAY NIGHT. TOTAL SNOW AMOUNTS BY TUESDAY MORNING COULD RANGE ANYWHERE FROM 5 TO 15 INCHES ON THE PLAINS WITH HIGHER AMOUNTS POSSIBLE ON THE PALMER DIVIDE...4 TO 10 INCHES FOR THE HIGH MOUNTAIN VALLEYS...AND ANYWHERE FROM 8 TO 24 INCHES IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS. THE HEAVIER AMOUNTS WILL FAVOR AREAS ALONG AND SOUTH OF THE I-70 CORRIDOR. THESE SNOW AMOUNTS ARE PRELIMINARY AND ARE SUBJECT TO CHANGE OVER THE NEXT DAY OR TWO...SO STAY TUNED FOR THE LATEST UPDATES. IN ADDITION...STRONG AND GUSTY NORTHEAST WINDS MONDAY NIGHT AND TUESDAY COULD PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW ON THE HIGH PLAINS. THIS STORM SYSTEM HAS THE POTENTIAL TO SIGNIFICANTLY DISRUPT AIR AND GROUND TRAVEL ACROSS COLORADO AND SURROUNDING STATES. TRAVELERS SHOULD PREPARE TO MAKE ALTERNATE TRAVEL ARRANGEMENTS SHOULD ROADS BE CLOSED AND FLIGHTS BE CANCELLED DUE TO INCLEMENT WINTER WEATHER. CONDITIONS ARE EXPECTED TO GRADUALLY IMPROVE ON TUESDAY...ONLY TO SEE ANOTHER WEAK DISTURBANCE BRING SOME MORE SNOW TO THE HIGH COUNTRY AND A SLIGHT CHANCE OF SNOW TO THE HIGH PLAINS ON WEDNESDAY. DRY AND WARMER WEATHER SHOULD THEN RETURN FOR THE REMAINDER OF THE WEEK. STAY TUNED FOR THE LATEST UPDATES ON WHAT APPEARS WILL BE A MAJOR SNOWSTORM FOR MOST OF COLORADO. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. HOWEVER...ANY SNOWFALL REPORTS WILL BE APPRECIATED.
Nearby
Winter Storm Watches in Colorado, 2016Every winter storm watch in 2016
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.