Alert archive / Colorado / Blizzard Watches in 2015
Blizzard Watch 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this blizzard watch at Nov 15, 2015, 3:36 PM MST for 12 counties in Colorado. It took effect at Nov 16, 2015, 8:00 PM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Nov 15, 2015, 3:36 PM MST (22:36 UTC)
- In effect from
- Nov 16, 2015, 8:00 PM MST
- Expired
- Nov 16, 2015, 5:57 AM MST
- In force
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Broomfield County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO
The radar
The Denver radar (KFTG), 63 km from the middle of the area, began a volume at 22:40 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, 10.6 hours before the alert went out and 52 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
- 2970 m above ground
- 0-6 km bulk shear
- 18 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 14 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
204 WWUS45 KBOU 152236 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 336 PM MST SUN NOV 15 2015 ...STRONG WINTER STORM MOVING OVER COLORADO MONDAY NIGHT... .A POTENT WINTER STORM IS EXPECTED TO MOVE ACROSS COLORADO MONDAY NIGHT WHICH WILL PRODUCE HEAVY SNOW IN THE MOUNTAINS AND THEN SNOW AND GUSTY WINDS ON THE PLAINS BY TUESDAY MORNING. THE HEAVY SNOW FALLING IN THE MOUNTAINS WILL MAKE TRAVEL CONDITIONS DIFFICULT DUE TO SNOW COVERED ROADWAYS MONDAY NIGHT AND TUESDAY MORNING. ON THE PLAINS...AS THE SNOW BEGINS FALLING AND NORTHERLY WINDS INCREASE...IT IS POSSIBLE THAT AREAS OF BLOWING AND DRIFTING SNOW WILL MAKE TRAVEL DIFFICULT DUE TO POOR VISIBILITIES AND SNOW COVERED ROADS. COZ041-044>046-049-160645- /O.NEW.KBOU.BZ.A.0002.151117T0300Z-151117T2100Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT... BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON... AKRON...COPE...LAST CHANCE...OTIS 336 PM MST SUN NOV 15 2015 ...BLIZZARD WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD WATCH...WHICH IS IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON. * TIMING...RAIN IS EXPECTED TO DEVELOP OVER NORTHEAST COLORADO MONDAY AFTERNOON. RAIN WILL MIX WITH SNOW DURING THE EVENING AND CHANGE TO ALL SNOW BY MIDNIGHT. NORTHERLY WINDS WILL INCREASE DURING THE EVENING HOURS AND CONTINUE OVERNIGHT...POSSIBLY CREATING BLOWING AND DRIFTING SNOW. THE STORM WILL BE MOVING OUT OF NORTHEAST COLORADO BY TUESDAY AFTERNOON. * SNOW ACCUMULATIONS...6 TO 10 INCHES OF SNOW BY MIDDAY TUESDAY WITH THE HEAVIEST SNOW AMOUNTS OVER THE PALMER DIVIDE. * WIND/VISIBILITY...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS UP TO 50 MPH POSSIBLE AFTER MIDNIGHT. VISIBILITIES MAY DROP TO A HALF MILE OR LESS IN BLOWING SNOW. * IMPACTS...POOR VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW MAY MAKE TRAVEL DIFFICULT ACROSS PARTS OF THE EAST-CENTRAL COLORADO PLAINS EARLY TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. && $$ COZ031-033-034-160645- /O.NEW.KBOU.WS.A.0011.151116T1500Z-151117T1500Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 336 PM MST SUN NOV 15 2015 ...WINTER STORM WATCH IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM MONDAY MORNING THROUGH TUESDAY MORNING. * TIMING...SNOW IS EXPECTED TO BEGIN FALLING IN THE NORTH CENTRAL COLORADO MOUNTAINS LATE MONDAY MORNING AND THEN BECOME HEAVY AT TIMES MONDAY NIGHT. SNOW WILL BEGIN DIMINISHING BY MIDDAY TUESDAY. * SNOW ACCUMULATIONS...8 TO 16 INCHES OF NEW SNOW WILL BE POSSIBLE BY TUESDAY AFTERNOON. LOCALLY HIGHER AMOUNTS WILL ALSO BE POSSIBLE. * WIND/VISIBILITY...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS UP TO 35 MPH WILL BE POSSIBLE...CAUSING SOME BLOWING SNOW AND VISIBILITIES RESTRICTED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL MAY BECOME DIFFICULT AT TIMES DUE TO HEAVY SNOWFALL ACCUMULATIONS ON ROADWAYS AND POOR VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ036-160645- /O.NEW.KBOU.WS.A.0011.151117T0000Z-151117T1500Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 336 PM MST SUN NOV 15 2015 ...WINTER STORM WATCH IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WATCH...WHICH IS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING. * TIMING...SNOW IS EXPECTED TO DEVELOP MONDAY EVENING AND BECOME HEAVY AT TIMES OVERNIGHT. SNOW WILL BE DIMINISHING BY MID- MORNING TUESDAY. * SNOW ACCUMULATIONS...8 TO 12 INCHES OF NEW SNOW WILL BE POSSIBLE BY TUESDAY MORNING. * WIND/VISIBILITY...NORTH WINDS WILL INCREASE TO 10 TO 20 MPH WITH SOME GUST TO 30 MPH POSSIBLE. VISIBILITIES COULD DROP TO A HALF MILE OR LESS IN HEAVY SNOW SHOWERS BEFORE SUNRISE TUESDAY. * IMPACTS...ROADWAYS ARE EXPECTED TO BECOME SNOW COVERED... POSSIBLY MAKING TRAVEL DIFFICULT DURING THE PRE-DAWN HOURS 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. && $$
2 follow-up statements
900 WWUS45 KBOU 160432 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 932 PM MST SUN NOV 15 2015 ...POWERFUL WINTER STORM MOVING INTO COLORADO MONDAY AND MONDAY NIGHT... .A POTENT WINTER STORM IS EXPECTED TO MOVE ACROSS COLORADO MONDAY NIGHT WHICH WILL PRODUCE HEAVY SNOW IN THE MOUNTAINS AND THEN SNOW...STRONG GUSTY WINDS...AND A POSSIBLE BLIZZARD ON THE PLAINS MONDAY NIGHT AND TUESDAY MORNING. THE HEAVY SNOW FALLING IN THE MOUNTAINS WILL MAKE TRAVEL CONDITIONS DIFFICULT DUE TO SNOW COVERED ROADWAYS MONDAY NIGHT AND TUESDAY MORNING. ON THE PLAINS...AS THE SNOW BEGINS FALLING AND NORTHERLY WINDS BECOME STRONG AND GUSTY...BLIZZARD CONDITIONS MAY DEVELOP MAKING TRAVEL DIFFICULT IF NOT IMPOSSIBLE. THE WORST CONDITIONS ARE EXPECTED TO OCCUR FROM THE EASTERN SECTIONS OF THE DENVER METRO AREA EAST AND NORTHEAST ACROSS THE PLAINS OF COLORADO. COZ040-048-050-051-161245- /O.EXA.KBOU.BZ.A.0002.151117T0300Z-151117T2100Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-LOGAN COUNTY- SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CROOK...MERINO...STERLING...PEETZ...JULESBURG...OVID... SEDGWICK...AMHERST...HAXTUN...HOLYOKE 932 PM MST SUN NOV 15 2015 ...BLIZZARD WATCH IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD WATCH...WHICH IS IN EFFECT FROM MONDAY EVENING UNTIL EARLY TUESDAY AFTERNOON. * TIMING...RAIN AND SNOW SHOWERS WILL CHANGE TO ALL SNOW AND MAY BECOME HEAVY AT TIMES MONDAY EVENING. THE HEAVY SNOW MAY LAST INTO TUESDAY MORNING IN PORTIONS OF THE DENVER METRO AREA...WHILE ON THE EASTERN PLAINS OF COLORADO THE SNOW MAY LAST UNTIL TUESDAY AFTERNOON. * SNOW ACCUMULATIONS...STORM TOTAL ACCUMULATIONS OF 4 TO 10 INCHES ARE POSSIBLE. * WIND/VISIBILITY...NORTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH WITH GUSTS UP TO 45 MPH BY AFTER MIDNIGHT MONDAY NIGHT. VISIBILITIES MAY DROP TO NEAR ZERO IN OPEN AREAS. * IMPACTS...POOR VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW MAY MAKE TRAVEL DIFFICULT IF NOT IMPOSSIBLE ESPECIALLY FROM THE EASTERN SECTIONS OF DENVER OUT ONTO THE PLAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. && $$ COZ041-044>046-049-161245- /O.CON.KBOU.BZ.A.0002.151117T0300Z-151117T2100Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...FONDIS...KIOWA... LARKSPUR...BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT... BYERS...DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON... AKRON...COPE...LAST CHANCE...OTIS 932 PM MST SUN NOV 15 2015 ...BLIZZARD WATCH REMAINS IN EFFECT FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON... * TIMING...RAIN IS EXPECTED TO DEVELOP OVER NORTHEAST COLORADO MONDAY AFTERNOON. RAIN WILL MIX WITH SNOW DURING THE EVENING AND CHANGE TO ALL SNOW BY MIDNIGHT. THE SNOW MAY BE HEAVY AT TIMES THROUGH EARLY TUESDAY AFTERNOON BEFORE DECREASING. * SNOW ACCUMULATIONS...6 TO 10 INCHES OF SNOW BY MIDDAY TUESDAY WITH LOCALLY HEAVIER AMOUNTS UP TO 14 INCHES POSSIBLE OVER THE PALMER DIVIDE. * WIND/VISIBILITY...NORTHERLY WINDS WILL INCREASE TO 25 TO 35 MPH WITH GUSTS UP TO 50 MPH POSSIBLE AFTER MIDNIGHT MONDAY NIGHT. VISIBILITIES MAY DROP TO NEAR ZERO AT TIMES DURING THE HEAVIER SNOW AND STRONGER WINDS MONDAY NIGHT INTO TUESDAY MORNING. * IMPACTS...POOR VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW MAY MAKE TRAVEL DIFFICULT IF NOT IMPOSSIBLE ACROSS PARTS OF THE EAST- CENTRAL COLORADO PLAINS EARLY TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WATCH MEANS THERE IS A POTENTIAL FOR FALLING AND/OR BLOWING SNOW WITH STRONG WINDS AND EXTREMELY POOR VISIBILITIES. THIS CAN LEAD TO WHITEOUT CONDITIONS AND MAKE TRAVEL VERY DANGEROUS. && $$ COZ031-033-034-161245- /O.CON.KBOU.WS.A.0011.151116T1500Z-151117T1500Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 932 PM MST SUN NOV 15 2015 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 8 AM MST MONDAY THROUGH TUESDAY MORNING... * TIMING...SNOW IS EXPECTED TO BEGIN FALLING IN THE NORTH CENTRAL COLORADO MOUNTAINS MONDAY MORNING AND THEN BECOME HEAVY AT TIMES MONDAY AFTERNOON AND NIGHT. SNOW WILL BEGIN DIMINISHING BY MIDDAY TUESDAY. * SNOW ACCUMULATIONS...6 TO 14 INCHES OF NEW SNOW WILL BE POSSIBLE BY TUESDAY AFTERNOON. * WIND/VISIBILITY...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS UP TO 35 MPH WILL BE POSSIBLE...CAUSING SOME BLOWING SNOW AND VISIBILITIES RESTRICTED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL MAY BECOME DIFFICULT AT TIMES DUE TO HEAVY SNOWFALL ACCUMULATIONS ON ROADWAYS AND POOR VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$ COZ036-161245- /O.CON.KBOU.WS.A.0011.151117T0000Z-151117T1500Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 932 PM MST SUN NOV 15 2015 ...WINTER STORM WATCH REMAINS IN EFFECT FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING... * TIMING...SNOW IS EXPECTED TO DEVELOP LATE MONDAY AFTERNOON AND EVENING AND BECOME HEAVY AT TIMES OVERNIGHT. SNOW WILL BE DIMINISHING BY MID- MORNING TUESDAY. * SNOW ACCUMULATIONS...8 TO 12 INCHES OF NEW SNOW WILL BE POSSIBLE BY TUESDAY MORNING. * WIND/VISIBILITY...NORTH WINDS WILL INCREASE TO 10 TO 20 MPH WITH SOME GUST TO 30 MPH POSSIBLE. VISIBILITIES COULD DROP TO A QUARTER MILE OR LESS IN HEAVY SNOW SHOWERS BEFORE SUNRISE TUESDAY. * IMPACTS...ROADWAYS ARE EXPECTED TO BECOME SNOW COVERED... POSSIBLY MAKING TRAVEL DIFFICULT DURING THE PRE-DAWN HOURS 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. && $$
960 WWUS45 KBOU 161257 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 557 AM MST MON NOV 16 2015 ...BLIZZARD CONDITIONS ACROSS MUCH OF THE NORTHEAST COLORADO PLAINS TONIGHT AND TUESDAY WITH AREAS OF HEAVY SNOW IN THE MOUNTAINS... .A STRONG WINTER STORM WILL MOVE ACROSS COLORADO TONIGHT AND INTO WESTERN KANSAS BY TUESDAY AFTERNOON. THE STORM WILL PRODUCE HEAVY SNOW IN THE MOUNTAINS AND THEN SNOW...AND VERY STRONG WINDS ON THE PLAINS. BLIZZARD CONDITIONS WILL DEVELOP IN AREAS ROUGHLY ALONG AND SOUTH OF INTERSTATE 76 LATE TONIGHT...WITH CONDITIONS IMPROVING FROM WEST TO EAST DURING THE DAY TUESDAY. WINTER TRAVEL CONDITIONS CAN BE EXPECTED IN THE MOUNTAINS BY THIS AFTERNOON. THE WORST CONDITIONS ARE EXPECTED TO OCCUR FROM THE SOUTHERN AND EASTERN SECTIONS OF THE DENVER METRO AREA EAST TOWARDS LIMON AND AKRON. IN THESE AREAS ROAD CLOSURES ARE LIKELY DUE TO WHITEOUT CONDITIONS AND DRIFTING OF HEAVY SNOW. SOME PLACES MAY RECEIVE OVER A FOOT OF SNOW ALONG WITH WIND GUSTS TO 60 MPH. IN AREAS NORTH OF INTERSTATE 76 THE SNOW WILL BE LIGHTER...BUT THE STRONG WINDS WILL STILL CAUSE EXTENSIVE BLOWING AND DRIFTING SNOW AND HAZARDOUS DRIVING CONDITIONS. COZ040-041-044>046-048>051-162100- /O.UPG.KBOU.BZ.A.0002.151117T0300Z-151117T2100Z/ /O.NEW.KBOU.BZ.W.0002.151117T0300Z-151117T2100Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- MORGAN COUNTY-CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY-LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... BRUSH...FORT MORGAN...GOODRICH...WIGGINS...BENNETT...BYERS... DEER TRAIL...LEADER...AGATE...HUGO...LIMON...MATHESON...CROOK... MERINO...STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 557 AM MST MON NOV 16 2015 ...BLIZZARD WARNING IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST TUESDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP THIS EVENING AND WILL BE HEAVY AT TIMES. THE HEAVY SNOW MAY LAST INTO TUESDAY MORNING IN THE DENVER AREA...WHILE ON THE EASTERN PLAINS OF COLORADO THE SNOW MAY LAST UNTIL TUESDAY AFTERNOON. * SNOW ACCUMULATIONS...STORM TOTAL ACCUMULATIONS OF 4 TO 10 INCHES...WITH UP TO 14 INCHES IN A BAND FROM DOUGLAS COUNTY TO BETWEEN LIMON AND AKRON. * WIND/VISIBILITY...NORTHERLY WINDS WILL INCREASE TO 25 TO 40 MPH BY LATE TONIGHT. GUSTS AS HIGH AS 60 MPH ARE POSSIBLE IN AREAS EAST OF DENVER. VISIBILITIES WILL DROP TO NEAR ZERO IN OPEN AREAS. * IMPACTS...POOR VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW MAY MAKE TRAVEL DIFFICULT OR IMPOSSIBLE IN OPEN AREAS. HEAVY SNOW AND DRIFTING WILL LIKELY BLOCK SOME ROADS. TRAVEL MAY BECOME DIFFICULT IN URBAN AREAS LATE TONIGHT AND TUESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ COZ043-162100- /O.NEW.KBOU.BZ.W.0002.151117T0300Z-151117T2100Z/ CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...EATON...FORT LUPTON...GREELEY...ROGGEN 557 AM MST MON NOV 16 2015 ...BLIZZARD WARNING IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST TUESDAY. * TIMING...SNOW WILL DEVELOP THIS EVENING AND WILL BE HEAVY AT TIMES. THE SNOW WILL DIMINISH TUESDAY MORNING BUT STRONG WINDS AND BLOWING SNOW WILL CONTINUE MUCH OF THE DAY. * SNOW ACCUMULATIONS...4 TO 10 INCHES...HEAVIEST IN FAR SOUTHERN WELD COUNTY. * WIND/VISIBILITY...NORTHERLY WINDS WILL INCREASE TO 25 TO 40 MPH BY LATE TONIGHT. GUSTS AS HIGH AS 60 MPH ARE POSSIBLE. VISIBILITIES WILL DROP TO NEAR ZERO IN OPEN AREAS. * IMPACTS...POOR VISIBILITIES DUE TO BLOWING AND DRIFTING SNOW MAY MAKE TRAVEL DIFFICULT OR IMPOSSIBLE IN OPEN AREAS. HEAVY SNOW AND DRIFTING WILL LIKELY BLOCK SOME ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. && $$ COZ033-034-162100- /O.UPG.KBOU.WS.A.0011.151116T1500Z-151117T1500Z/ /O.NEW.KBOU.WS.W.0014.151116T1800Z-151117T1500Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 557 AM MST MON NOV 16 2015 ...WINTER STORM WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 AM MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP BY EARLY AFTERNOON AND THEN BECOME HEAVY AT TIMES OVERNIGHT. SNOW WILL BEGIN DIMINISHING BY MIDDAY TUESDAY. * SNOW ACCUMULATIONS...10 TO 20 INCHES OF NEW SNOW WILL BE POSSIBLE BY TUESDAY AFTERNOON. * WIND/VISIBILITY...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS UP TO 40 MPH WILL BE POSSIBLE...CAUSING SOME BLOWING SNOW AND VISIBILITIES RESTRICTED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL MAY BECOME DIFFICULT AT TIMES DUE TO HEAVY SNOWFALL ACCUMULATIONS ON ROADWAYS AND POOR VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ036-162100- /O.UPG.KBOU.WS.A.0011.151117T0000Z-151117T1500Z/ /O.NEW.KBOU.WS.W.0014.151116T1800Z-151117T1500Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 557 AM MST MON NOV 16 2015 ...WINTER STORM WARNING IN EFFECT FROM 11 AM THIS MORNING TO 8 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 AM MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP BY EARLY AFTERNOON AND BE HEAVY AT TIMES OVERNIGHT. SNOW WILL BE DIMINISHING BY MID MORNING TUESDAY. * SNOW ACCUMULATIONS...8 TO 16 INCHES BY TUESDAY MORNING. * WIND/VISIBILITY...NORTH WINDS WILL INCREASE TO 10 TO 20 MPH WITH GUSTS TO 35 MPH. VISIBILITIES COULD DROP TO A QUARTER MILE OR LESS IN HEAVY SNOW SHOWERS BEFORE SUNRISE TUESDAY. * IMPACTS...ROADWAYS ARE EXPECTED TO BECOME SNOW COVERED... POSSIBLY MAKING TRAVEL DIFFICULT LATE TONIGHT AND 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. && $$ COZ031-162100- /O.UPG.KBOU.WS.A.0011.151116T1500Z-151117T1500Z/ /O.NEW.KBOU.WW.Y.0025.151116T1800Z-151117T1500Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 557 AM MST MON NOV 16 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 AM MST TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP BY EARLY AFTERNOON AND THEN BECOME HEAVY AT TIMES OVERNIGHT. SNOW WILL BEGIN DIMINISHING BY MIDDAY TUESDAY. * SNOW ACCUMULATIONS...8 TO 14 INCHES OF NEW SNOW WILL BE POSSIBLE BY TUESDAY AFTERNOON. * WIND/VISIBILITY...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS UP TO 35 MPH WILL BE POSSIBLE...CAUSING SOME BLOWING SNOW AND VISIBILITIES RESTRICTED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL MAY BECOME DIFFICULT AT TIMES DUE TO HEAVY SNOWFALL ACCUMULATIONS ON ROADWAYS AND POOR VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ035-162100- /O.NEW.KBOU.WW.Y.0025.151116T1800Z-151117T1500Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES 557 AM MST MON NOV 16 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 8 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 8 AM MST TUESDAY. * TIMING...SNOW WILL DEVELOP BY EARLY AFTERNOON AND BE HEAVY AT TIMES OVERNIGHT. SNOW WILL BE DIMINISHING BY MID MORNING TUESDAY. * SNOW ACCUMULATIONS...5 TO 10 INCHES BY MIDDAY TUESDAY. * WIND/VISIBILITY...NORTHWEST WINDS AT 15 TO 25 MPH WITH GUSTS UP TO 35 MPH WILL BE POSSIBLE...CAUSING SOME BLOWING SNOW AND VISIBILITIES RESTRICTED TO A HALF MILE OR LESS AT TIMES. * IMPACTS...TRAVEL MAY BECOME DIFFICULT AT TIMES DUE TO HEAVY SNOWFALL ACCUMULATIONS ON ROADWAYS AND POOR VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ038-039-042-162100- /O.NEW.KBOU.WW.Y.0025.151117T0300Z-151117T1500Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...ARVADA...BOULDER...GOLDEN...LAKEWOOD...LONGMONT... BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM 557 AM MST MON NOV 16 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 8 AM MST TUESDAY. * TIMING...SNOW WILL DEVELOP THIS EVENING AND WILL BE HEAVY AT TIMES. THE SNOW WILL DIMINISH TUESDAY MORNING BUT STRONG WINDS AND BLOWING SNOW WILL CONTINUE MUCH OF THE DAY. * SNOW ACCUMULATIONS...4 TO 8 INCHES...HEAVIEST IN THE WESTERN SUBURBS OF DENVER. * WIND/VISIBILITY...NORTH WINDS AT 15 TO 25 MPH NEAR THE FOOTHILLS. NORTH WINDS 20 TO 35 MPH WITH GUSTS UP TO 60 MPH IN NORTHERN PARTS OF WELD AND LARIMER COUNTIES. * IMPACTS...THERE WILL BE AREAS OF BLOWING AND DRIFTING SNOW NEAR THE FOOTHILLS...WITH NEAR BLIZZARD CONDITIONS FURTHER EAST. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ047-162100- /O.NEW.KBOU.WW.Y.0025.151117T0300Z-151117T2100Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER 557 AM MST MON NOV 16 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 8 PM THIS EVENING TO 2 PM MST TUESDAY. * TIMING...SNOW WILL DEVELOP BY LATE EVENING AND WILL BE HEAVY AT TIMES THROUGH TUESDAY MORNING. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * WIND/VISIBILITY...NORTH WINDS WILL INCREASE TO 25 TO 40 MPH BY LATE TONIGHT WITH GUSTS TO 60 MPH. NEAR ZERO VISIBILITIES ARE POSSIBLE. * IMPACTS...NEAR BLIZZARD CONDITIONS ARE POSSIBLE WITH EXTENSIVE BLOWING AND DRIFTING SNOW PRODUCING LOW VISIBILITIES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ GIMMESTAD
What forecasters said that day
The local office's own words before this blizzard 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 blizzard watch went out at Nov 15, 3:10 PM MST, 26 minutes earlier.
Area forecast discussion, Nov 15, 3:10 PM MST, 26 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 310 PM MST SUN NOV 15 2015 .SHORT TERM...(THIS EVENING THROUGH MONDAY) ISSUED AT 310 PM MST SUN NOV 15 2015 UPPER LEVEL LOW THAT WILL AFFECT THE AREA THE NEXT COUPLE OF DAYS IS MOVING ONTO THE CALIFORNIA COAST. THIS LOW WILL MOVE EASTWARD AND STRENGTHEN TONIGHT AND MONDAY. BY 00Z TUESDAY...THE LOW IS EXPECTED TO BE CENTERED JUST EAST OF THE FOUR CORNER. GFS CONTINUES TO BE AN OUTLIER. THIS TIME THE GFS SHOWS THE LOW LIFTING NORTHEAST QUICKER THAN THE OTHER MODELS. FOR THE FORECAST WILL FOLLOW THE ECMWF AND GEM. LIFT AHEAD OF THE TROUGH WILL PUSH SNOW INTO THE MOUNTAINS LATE TONIGHT/EARLY MONDAY MORNING. SNOW WILL PERSIST MUCH OF THE DAY IN THE MOUNTAINS. WILL ISSUE A WINTER STORM WATCH FOR THE MOUNTAINS. A COLD FRONT WILL DROP SOUTH ACROSS THE FRONT RANGE AND EASTERN PLAINS DURING THE AFTERNOON. THERE WILL BE SOME WEAK UPSLOPE BEHIND THE FRONT...BUT THE MAIN FORCING WILL BE ALOFT FROM THE UPPER LEVEL LOW. EXPECT RAIN AND SNOW SHOWERS TO INCREASE DURING THE AFTERNOON HOURS ALONG THE FRONT RANGE AND ACROSS THE EASTERN PLAINS. PRECIPITATION IS EXPECTED TO BEGIN AS RAIN ACROSS THE LOWER ELEVATION BUT RAPIDLY TURN TO SNOW AS THE AIRMASS COOLS. HIGH TEMPERATURES WILL BE REACHED LATE MORNING TO EARLY AFTERNOON. ONCE THE FRONT PUSHES THROUGH...TEMPERATURES WILL FALL. .LONG TERM...(MONDAY NIGHT THROUGH SUNDAY) ISSUED AT 310 PM MST SUN NOV 15 2015 US AND SURROUNDING NWS OFFICES AGREE THE GFS STORM TRACK IS TOO FAR NORTH. OTHER MODELS SUCH AS ECMWF...NAM AND CANADIAN MODELS INDICATE AN EASTERLY TRACK ACRS SOUTHEAST COLORADO MON NIGHT. TROUGH REMAINS ESSENTIALLY UPRIGHT DURING ITS PASSAGE AND THEREFORE THE MEAN LAYER FLOW OVER NORTHEAST COLORADO STAYS NORTH- NORTHEASTERLY THROUGH TUESDAY MORNING. NOT MUCH IN THE WAY OF UPSLOPE FLOW TO FOCUS PRECIPITATION UP AGAINST THE FRONT RANGE. AS A CONSEQUENCE MODELS INDICATE A SNOW AND QPF MINIMA OVER NORTHERN PORTIONS OF THE I-25 CORRIDOR AND JUST SOUTH OF THE WYOMING BORDER. MAY SEE A REPEAT OF THE LAST STORM WHEN PLACES LIKE FORT COLLINS...BOULDER AND LONGMONT ESCAPED WITH ONLY A FEW INCHES OF SNOW. WHEREAS THIS NORTHERLY FLOW PROFILE BEST FAVORS BIG SNOW ACCUMS OVER AND ALONG THE PALMER DIVIDE AS FAR EAST OF NORTHERN LINCOLN AND SOUTHERN WASHINGTON COUNTIES. IN ADDITION... STRONG NORTHERN FLOW ON THE BACK SIDE OF THE TROUGH WILL CERTAINLY TRANSLATE INTO STRONG NORTHERLY SFC WINDS ESPECIALLY ON THE PLAINS EAST OF THE I-25 URBAN CORRIDOR LATE TONIGHT THROUGH MOST OF TUE. FAR NORTHERN PORTIONS OF THE I-25 CORRIDOR NEAR THE WYOMING LINE MAY ALSO EXPERIENCE STRONG NLY WINDS. THEREFORE...HERE ARE THE FOLLOWING WINTER WEATHER HIGHLIGHTS THAT WILL BE ISSUED SHORTLY...A BLIZZARD WATCH STARTING AT 03Z/TUE FOR THE PALMER DIVIDE ZONES 41 AND 46...AND ADJACENT ZONES 44..45 AND 49. WATCH WILL RUN UNTIL 21Z/TUE. PERIODS OF MODERATE TO HEAVY SNOWFALL AND WIND GUSTS TO 50 MPH REDUCING IN NEAR ZERO VISIBILITIES IN BLOWING AND DRIFTING SNOW BASIS FOR THE WATCH. NEXT...A WINTER STORM WATCH WILL BE ISSUED FOR THE SOUTHERN FRONT RANGE FOOTHILL ZONE 36 STARTING AT 00Z/TUE. THIS WATCH WILL RUN UNTIL 15Z/TUE WITH SNOWFALL IS EXPECTED TO DROP OFF QUICKLY WITH DEVELOPMENT OF GUSTY NORTHWESTERLY/DOWNSLOPE FLOW. LASTLY...THE WINTER STORM WATCH ALREADY IN EFFECT AS OF 00Z/TUE FOR THE MTN ZONES WILL ALSO EXPIRE AT 15Z/TUE. SHOULD SEE STEADY WEST-TO-EAST IMPROVEMENT DURING THE DAY TUESDAY WITH THE UPPER LOW PICKING UP SPEED AS IT TRACKS ACROSS KANSAS. HOWEVER IT MAY TAKE ALL DAY BEFORE THE STRONG AND GUSTY NORTH-NORTHWEST WINDS TAPER OFF ON THE PLAINS. LOOKING AHEAD TO THE REST OF THE WEEK...MODELS SHOW A LONG NORTHWESTERLY FETCH OF MOISTURE FLOWING INTO THE NORTHERN MTNS THROUGH THE PERIOD...POTENTIALLY RESULTING IN PERIODS OF LIGHT SNOWFALL FOR THE HIGH COUNTRY. OTHERWISE EAST OF THE MTNS SHOULD REMAIN GENERALLY DRY BUT WITH LITTLE DAY-TO-DAY MODERATION IN TEMPERATURE. && .AVIATION...(FOR THE 00Z TAFS THROUGH 00Z MONDAY EVENING) ISSUED AT 310 PM MST SUN NOV 15 2015 VFR CONDITIONS TO CONTINUE THROUGH 18Z MONDAY. A COLD FRONT WILL PUSH THROUGH THE DENVER AREA AROUND 18Z. BEHIND THE FRONT...CLOUDS WILL LOWER WITH CEILINGS 3000 TO 6000 FEET BETWEEN 18Z AND 00Z TUESDAY. RAIN SHOWERS WILL BE POSSIBLE AFTER 21Z...RAIN WILL CHANGE TO SNOW AFTER 00Z. THIS UPCOMING STORM IS LOOKING SIMILAR TO THE LAST ONE WITH 2 TO 5 INCHES OF SNOW EXPECTED AT THE DENVER AIRPORTS. HEAVIER SNOW IS EXPECTED TO THE SOUTH AND EAST OF THE DENVER AREA. && .BOU WATCHES/WARNINGS/ADVISORIES... BLIZZARD WATCH FROM MONDAY EVENING THROUGH TUESDAY AFTERNOON FOR COZ041-044>046-049. WINTER STORM WATCH FROM MONDAY MORNING THROUGH TUESDAY MORNING FOR COZ031-033-034. WINTER STORM WATCH FROM MONDAY AFTERNOON THROUGH TUESDAY MORNING FOR COZ036. && SHORT TERM...MEIER LONG TERM...BAKER AVIATION...MEIER
Hazardous weather outlook, Nov 15, 11:04 AM MST, 4 hours 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1104 AM MST SUN NOV 15 2015 COZ030>051-161815- 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- 1104 AM MST SUN NOV 15 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. ...HAZARDOUS WINTER TRAVEL CONDITIONS PROBABLE FROM MONDAY AFTERNOON THROUGH TUESDAY... .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY RAIN AND SNOW IS EXPECTED TO SPREAD ACROSS THE MOUNTAINS AND HIGH VALLEYS OF NORTH CENTRAL COLORADO MONDAY MORNING AND THEN CHANGE OVER TO ALL SNOW IN MOST AREAS DURING THE AFTERNOON. SCATTERED SHOWERS MAY ALSO MOVE OFF THE FRONT RANGE AND ONTO THE PLAINS DURING THE AFTERNOON ALTHOUGH TEMPERATURES SHOULD FOR THE MOST PART BE TOO WARM FOR SNOW. MONDAY NIGHT AS THE STORM SYSTEM PASSES OVER COLORADO...SNOW WILL BECOME WIDESPREAD ACROSS THE OUTLOOK AREA...WITH SNOWFALL POSSIBLY HEAVY AT TIMES IN THE MOUNTAINS AS WELL AS ALONG THE PALMER DIVIDE TO THE SOUTH AND EAST OF THE DENVER METRO AREA. IN ADDITION...STRONG NORTHERLY WINDS DEVELOPING AFTER MIDNIGHT COULD CREATE NEAR BLIZZARD CONDITIONS OVER THE PALMER DIVIDE AND ALONG THE INTERSTATE 70 CORRIDOR EAST OF DENVER THROUGH TUESDAY MORNING. SNOWFALL IS EXPECTED TO CONTINUE IN THE MOUNTAIN AREAS ROUGHLY WEST OF THE CONTINENTAL DIVIDE ON TUESDAY...BUT QUICKLY DIMINISH FROM WEST TO EAST ON THE PLAINS THROUGH THE DAY. SNOWFALL TOTALS BY TUESDAY AFTERNOON WILL VARY WIDELY FROM LESS THAN A COUPLE INCHES NEAR THE BORDER OF SOUTHEAST WYOMING...TO AS MUCH AS 8-16 INCHES IN THE MOUNTAINS AND OVER PORTIONS OF THE PALMER DIVIDE. LOOKING AHEAD...SNOW SHOWERS ARE EXPECTED TO LINGER OFF AND ON IN THE MOUNTAINS THROUGH SATURDAY...WHILE LOWER ELEVATIONS SHOULD GENERALLY BE DRY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. MEIER/BAKER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 15, 3:36 PM MST | Winter Storm Watch | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 14 hr |
Nearby
Blizzard Watches in Colorado, 2015Every blizzard watch in 2015
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.