Winter Storm Warning 9, NWS Denver/Boulder, CO

000 
WWUS45 KBOU 161435
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
835 AM MDT THU APR 16 2009

...A HEAVY PRECIPITATION PRODUCING STORM IS EXPECTED FOR
NORTHEAST AND NORTH CENTRAL COLORADO STARTING TODAY CONTINUING
THROUGH SATURDAY...

.A STRONG STORM IS EXPECTED TO MOVE SLOWLY EASTWARD FROM UTAH
ACROSS THE COLORADO AND NEW MEXICO BORDER AREA THROUGH SATURDAY.
IT WILL BRING SIGNIFICANT PRECIPITATION TO NORTHEAST AND NORTH
CENTRAL COLORADO. HEAVY WET SNOW IS EXPECTED OVER THE MOUNTAINS...
FOOTHILLS AND ADJACENT PLAINS. THE NORTHEAST CORNER OF OF THE
COLORADO PLAINS WILL SEE A RAIN AND SNOW MIX.

THERE IS STILL SOME UNCERTAINTY CONCERNING THE TEMPERATURES OVER
THE PLAINS IN REGARDS TO THE PRECIPITATION TYPE...SNOW OR A SNOW
RAIN MIX. PLEASE STAY TUNED TO THE NATIONAL WEATHER SERVICE OR
YOUR LOCAL NEWS MEDIA FOR THE LATEST UPDATES CONCERNING THIS
STRONG SPRING STORM.

COZ033>037-162045-
/O.EXT.KBOU.WS.W.0009.090416T1430Z-090418T1800Z/
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...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN...HARTSEL...
LAKE GEORGE
835 AM MDT THU APR 16 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON MDT SATURDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL NOON MDT
SATURDAY. 

SNOW WILL CONTINUE AND BECOME HEAVY AT TIMES BY THIS AFTERNOON.
THIS PERIOD OF HEAVIER SNOW COULD LAST INTO THIS EVENING BEFORE
DECREASING SOMEWHAT OVERNIGHT. ANOTHER PERIOD OF HEAVY SNOW IS
EXPECTED FROM FRIDAY THROUGH SATURDAY MORNING. ACCUMULATIONS OF 18
TO 36 INCHES CAN BE EXPECTED IN THE MOUNTAINS AND FOOTHILLS FROM
THE DIVIDE EASTWARD. ACCUMULATIONS IN SOUTH PARK WILL RANGE FROM 8
TO 16 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ041-162045-
/O.CON.KBOU.WS.W.0009.090417T0000Z-090418T1800Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
835 AM MDT THU APR 16 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT SATURDAY. 

SNOW WILL DEVELOP THIS EVENING...BECOMING HEAVY LATE. TOTAL
ACCUMULATIONS WILL RANGE FROM 12 TO 24 INCHES OF WET HEAVY SNOW
BY SATURDAY MID DAY.  NORTHERLY WINDS OF 15 TO 35 MPH ARE ALSO
EXPECTED LATE TONIGHT THROUGH SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>040-043-162045-
/O.CON.KBOU.WS.A.0006.090417T0600Z-090418T1800Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...GREELEY
835 AM MDT THU APR 16 2009

...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING...

A WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY MORNING. 

A MIX OF RAIN AND SNOW IS EXPECTED THIS EVENING...BEFORE CHANGING
OVER TO ALL SNOW BY EARLY FRIDAY MORNING.  HEAVY SNOW IS POSSIBLE
OVER THE URBAN CORRIDOR...AND WESTERN WELD COUNTY ON FRIDAY...
CONTINUING INTO SATURDAY.  POSSIBLE ACCUMULATIONS COULD RANGE
FROM 10 TO 24 INCHES OF HEAVY WET SNOW. HOWEVER...THERE ARE SOME
INDICATIONS THAT A RAIN-SNOW MIX MAY OCCUR IN PARTS OF THE URBAN
CORRIDOR FOR SOME OF THIS EVENT WHICH COULD LESSEN TOTAL SNOW
AMOUNTS. NORTHERLY WINDS OF 15 TO 35 MPH ARE ALSO EXPECTED LATE
TONIGHT INTO SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR A
HAZARDOUS WINTER WEATHER EVENT IN AND CLOSE TO THE WATCH AREA.
SIGNIFICANT SNOW ACCUMULATIONS MAY OCCUR THAT COULD IMPACT
TRAVEL. STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL
NEWS MEDIA FOR THE LATEST UPDATES AND POSSIBLE WARNING CONCERNING
THIS POTENTIAL WINTER STORM.

&&
LESZCYNSKI

$$

000 
WWUS45 KBOU 161718
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1118 AM MDT THU APR 16 2009

...A HEAVY PRECIPITATION PRODUCING STORM IS EXPECTED FOR
NORTHEAST AND NORTH CENTRAL COLORADO STARTING TODAY CONTINUING
THROUGH SATURDAY...

.A STRONG STORM IS EXPECTED TO MOVE SLOWLY EASTWARD FROM UTAH
ACROSS THE COLORADO AND NEW MEXICO BORDER AREA THROUGH SATURDAY.
IT WILL BRING SIGNIFICANT PRECIPITATION TO NORTHEAST AND NORTH
CENTRAL COLORADO. HEAVY WET SNOW IS EXPECTED OVER THE MOUNTAINS...
FOOTHILLS AND ADJACENT PLAINS. THE NORTHEAST CORNER OF OF THE
COLORADO PLAINS WILL SEE A RAIN AND SNOW MIX.

PLEASE STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL
NEWS MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING
STORM.

COZ038>040-043-162330-
/O.UPG.KBOU.WS.A.0006.090417T0600Z-090418T1800Z/
/O.EXB.KBOU.WS.W.0009.090417T0600Z-090418T1800Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...GREELEY
1118 AM MDT THU APR 16 2009

...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO NOON
MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MDT SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

THERE WILL BE A MIX OF RAIN AND SNOW THIS EVENING...BEFORE
CHANGING OVER TO ALL SNOW BY EARLY FRIDAY MORNING. HEAVY SNOW
WILL OCCUR AT TIMES OVER THE URBAN CORRIDOR AND WESTERN WELD
COUNTY FRIDAY AFTERNOON...CONTINUING INTO SATURDAY. ACCUMULATIONS
FROM 10 TO 24 INCHES CAN BE EXPECTED BY SATURDAY AFTERNOON...WITH
THE HEAVIEST AMOUNTS ACROSS THE WESTERN SECTIONS OF BOULDER AND
DENVER AS WELL AS LOCATIONS SOUTH OF DENVER. NORTHERLY WINDS OF 15
TO 30 MPH ARE ALSO EXPECTED LATE TONIGHT INTO SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ033>037-162330-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN...HARTSEL...
LAKE GEORGE
1118 AM MDT THU APR 16 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW WILL CONTINUE...BECOMING HEAVY AT TIMES THIS AFTERNOON AND
EVENING. THE SNOW WILL DECREASE IN INTENSITY OVERNIGHT...WITH ANOTHER
PERIOD OF HEAVY SNOW EXPECTED FRIDAY THROUGH SATURDAY. ACCUMULATIONS
OF 18 TO 36 INCHES CAN BE EXPECTED IN THE MOUNTAINS AND FOOTHILLS
FROM THE DIVIDE EASTWARD. ACCUMULATIONS IN SOUTH PARK WILL RANGE
FROM 8 TO 16 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ041-162330-
/O.CON.KBOU.WS.W.0009.090417T0000Z-090418T1800Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
1118 AM MDT THU APR 16 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO NOON MDT SATURDAY. 

SNOW WILL DEVELOP THIS EVENING...BECOMING HEAVY OVERNIGHT. TOTAL
ACCUMULATIONS WILL RANGE FROM 12 TO 24 INCHES OF WET HEAVY SNOW BY
SATURDAY MID DAY. NORTHERLY WINDS OF 15 TO 35 MPH ARE ALSO
EXPECTED LATE TONIGHT THROUGH SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$
LESZCYNSKI

000 
WWUS45 KBOU 162329
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
529 PM MDT THU APR 16 2009

...A HEAVY PRECIPITATION PRODUCING STORM IS EXPECTED FOR
NORTHEAST AND NORTH CENTRAL COLORADO STARTING TODAY CONTINUING
THROUGH SATURDAY...

.A STRONG STORM IS EXPECTED TO MOVE SLOWLY EASTWARD FROM UTAH
ACROSS THE COLORADO AND NEW MEXICO BORDER AREA THROUGH SATURDAY.
IT WILL BRING SIGNIFICANT PRECIPITATION TO NORTHEAST AND NORTH
CENTRAL COLORADO. HEAVY WET SNOW WITH SIGNIFICANT SNOW
ACCUMULATIONS CAN BE EXPECTED OVER THE MOUNTAINS...FOOTHILLS AND
FRONT RANGE URBAN CORRIDOR. THE NORTHEAST CORNER OF OF THE
COLORADO PLAINS WILL SEE A RAIN AND SNOW MIX.

PLEASE STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL
NEWS MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING
STORM.

COZ033>037-170600-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN...HARTSEL...
LAKE GEORGE
529 PM MDT THU APR 16 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW WILL CONTINUE...BECOMING HEAVY AT TIMES THIS EVENING. THE
SNOW MAY DECREASE IN INTENSITY OVERNIGHT...WITH ANOTHER PERIOD OF
HEAVY SNOW EXPECTED FRIDAY THROUGH SATURDAY. ACCUMULATIONS OF 18
TO 36 INCHES CAN BE EXPECTED IN THE MOUNTAINS AND FOOTHILLS FROM
THE DIVIDE EASTWARD. ACCUMULATIONS IN SOUTH PARK WILL RANGE FROM 8
TO 16 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ041-170600-
/O.CON.KBOU.WS.W.0009.090417T0000Z-090418T1800Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
529 PM MDT THU APR 16 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW WILL BECOMING HEAVY AT TIMES THIS EVENING. PERIODS OF HEAVY
SNOWFALL CAN THEN BE EXPECTED THROUGH SATURDAY MORNING. TOTAL
ACCUMULATIONS WILL RANGE FROM 12 TO 24 INCHES OF WET HEAVY SNOW BY
SATURDAY MID DAY. NORTHERLY WINDS OF 15 TO 30 MPH ARE ALSO
EXPECTED LATE TONIGHT THROUGH SATURDAY MORNING...PRODUCING SOME
BLOWING AND DRIFTING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>040-043-170600-
/O.CON.KBOU.WS.W.0009.090417T0600Z-090418T1800Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...GREELEY
529 PM MDT THU APR 16 2009

...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT
TO NOON MDT SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO
NOON MDT SATURDAY. 

A MIX OF RAIN AND SNOW THIS EVENING WILL CHANGE OVER TO ALL SNOW
LATE THIS EVENING INTO THE EARLY MORNING HOURS FRIDAY. PERIODS OF
HEAVY SNOWFALL CAN THEN BE EXPECTED THROUGH FRIDAY AND INTO
SATURDAY.  ACCUMULATIONS FROM 10 TO 24 INCHES CAN BE EXPECTED BY
SATURDAY AFTERNOON...WITH THE HEAVIEST AMOUNTS ACROSS THE WESTERN
SECTIONS OF BOULDER AND DENVER...AS WELL AS LOCATIONS SOUTH OF
DENVER. NORTHERLY WINDS OF 15 TO 30 MPH ARE ALSO EXPECTED LATE
TONIGHT INTO SATURDAY MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

000 
WWUS45 KBOU 170348
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
948 PM MDT THU APR 16 2009

...MAJOR SPRING STORM WILL BRING VERY HEAVY SNOWFALL TO PORTIONS
OF NORTHEAST AND NORTH CENTRAL COLORADO INTO SATURDAY...

.A STRONG STORM NOW LOCATED OVER NORTHWEST NEW MEXICO WILL TRACK
VERY SLOWLY EAST ACROSS NORTHERN NEW MEXICO FRIDAY...AND THEN INTO
SOUTHEAST COLORADO FRIDAY NIGHT AND SATURDAY MORNING. HEAVY WET
SNOW HAD ALREADY DEVELOPED IN THE FRONT RANGE MOUNTAINS AND
FOOTHILLS THIS EVENING. SNOWFALL AMOUNTS FROM WEATHER SPOTTERS
AND AUTOMATED SNOW GAGES IN THE MOUNTAINS AND FOOTHILLS GENERALLY 
INDICATED BETWEEN 2 AND 9 INCHES OF SNOW HAVE FALLEN SINCE EARLY
THIS AFTERNOON. ON THE PLAINS...RAIN WAS JUST BEGINNING TO MIX IN
WITH SNOW IN PORTIONS OF THE FRONT RANGE URBAN CORRIDOR...AND THIS
CHANGEOVER WILL CONTINUE DURING THE OVERNIGHT HOURS. SNOW IS THEN
EXPECTED TO BE HEAVY AT TIMES ACROSS THE FRONT RANGE URBAN
CORRIDOR FROM FRIDAY THROUGH FRIDAY NIGHT AND SATURDAY MORNING.
FARTHER EAST...MAINLY RAIN CAN BE EXPECTED OVER THE NORTHEAST
CORNER OF THE STATE.

PLEASE STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL
NEWS MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING
STORM.

COZ033>037-041-171000-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN...HARTSEL...
LAKE GEORGE...CASTLE ROCK
948 PM MDT THU APR 16 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW...HEAVY AT TIMES...CAN BE EXPECTED IN THE FRONT RANGE MOUNTAINS
AND FOOTHILLS FROM TONIGHT ALL THE WAY THROUGH FRIDAY...FRIDAY
NIGHT...AND EVEN SATURDAY MORNING. SNOWFALL RATES UP TO 2 INCHES
PER HOUR CAN BE EXPECTED DURING PERIODS OF HEAVIER SNOWFALL. THIS
EXTENDED TIME FRAME OF HEAVY SNOW WILL ALLOW STORM TOTAL
ACCUMULATIONS TO REACH 18 TO 36 INCHES IN MOST LOCATIONS...WITH A
FEW SPOTS IN THE FRONT RANGE FOOTHILLS EXPECTED TO SEE AS MUCH AS
4 FEET OF SNOWFALL. ACCUMULATIONS IN SOUTH PARK WILL RANGE FROM 8
TO 16 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>040-043-171000-
/O.CON.KBOU.WS.W.0009.090417T0600Z-090418T1800Z/
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-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...GREELEY
948 PM MDT THU APR 16 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

A MIX OF RAIN AND SNOW WILL GRADUALLY CHANGE OVER TO ALL SNOW
BY THE EARLY MORNING HOURS FRIDAY.  PERIODS OF HEAVY SNOWFALL CAN
THEN BE EXPECTED THROUGH FRIDAY...FRIDAY NIGHT...AND EVEN INTO
SATURDAY. ACCUMULATIONS OF 10 TO 24 INCHES CAN BE EXPECTED BY
SATURDAY AFTERNOON...WITH THE HEAVIEST AMOUNTS FROM BOULDER
THROUGH THE WESTERN AND SOUTHERN SECTIONS OF DENVER.  NORTHERLY
WINDS OF 15 TO 30 MPH ARE ALSO EXPECTED LATE TONIGHT INTO SATURDAY
MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

000 
WWUS45 KBOU 171015
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
415 AM MDT FRI APR 17 2009

...MAJOR SPRING STORM WILL BRING VERY HEAVY SNOWFALL TO PORTIONS
OF NORTHEAST AND NORTH CENTRAL COLORADO INTO SATURDAY...

.A STRONG STORM NOW LOCATED OVER NORTHWEST NEW MEXICO WILL TRACK
VERY SLOWLY EAST ACROSS NORTHERN NEW MEXICO FRIDAY...AND THEN
INTO SOUTHEAST COLORADO FRIDAY NIGHT AND SATURDAY MORNING. HEAVY
WET SNOW WILL CONTINUE IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS
AND SPREAD ONTO THE ADJACENT PLAINS TODAY...WITH THE SNOW LEVEL
LOWERING TO AROUND 5000 FEET.

SNOWFALL AMOUNTS FROM WEATHER SPOTTERS AND AUTOMATED SNOW GAGES
IN THE MOUNTAINS AND FOOTHILLS GENERALLY INDICATED STORM TOTAL
SNOWFALLS OF 5 TO 10 INCHES AS OF EARLY THIS MORNING. ON THE
PLAINS...RAIN WAS CHANGING TO SNOW AT ELEVATIONS BETWEEN 5 AND 6
THOUSAND FEET. SNOW IS EXPECTED TO BE HEAVY AT TIMES ACROSS THE
FRONT RANGE URBAN CORRIDOR THROUGH SATURDAY MORNING...THOUGH THERE
WILL BE CONSIDERABLE MELTING ON THE ROADS ESPECIALLY DURING THE
DAY TODAY. FARTHER EAST...MAINLY RAIN CAN BE EXPECTED OVER THE
NORTHEAST CORNER OF THE STATE.

PLEASE STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL
NEWS MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING
STORM.

COZ033>037-171615-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN...HARTSEL...
LAKE GEORGE
415 AM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW...HEAVY AT TIMES...CAN BE EXPECTED IN THE FRONT RANGE
MOUNTAINS AND FOOTHILLS FROM TONIGHT THROUGH SATURDAY MORNING.
SNOWFALL RATES UP TO 2 INCHES PER HOUR CAN BE EXPECTED DURING
PERIODS OF HEAVIER SNOWFALL. THIS EXTENDED TIME FRAME OF HEAVY
SNOW WILL ALLOW STORM TOTAL ACCUMULATIONS TO REACH 18 TO 36 INCHES
IN MOST LOCATIONS... WITH A FEW SPOTS IN THE FRONT RANGE FOOTHILLS
EXPECTED TO SEE AS MUCH AS 4 FEET OF SNOWFALL. ACCUMULATIONS IN
SOUTH PARK WILL RANGE FROM 10 TO 20 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>041-043-171615-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GREELEY
415 AM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW WILL BECOME WIDESPREAD THIS MORNING...THOUGH IT MAY STILL BE
MIXED WITH RAIN AT TIMES IN WELD COUNTY. PERIODS OF HEAVY SNOWFALL CAN
BE EXPECTED THROUGH SATURDAY MORNING. ACCUMULATIONS OF 10 TO 24 INCHES
CAN BE EXPECTED BY SATURDAY AFTERNOON...WITH 15 TO 30 INCHES IN
DOUGLAS AND WESTERN ELBERT COUNTIES. NORTH WINDS OF 15 TO 30 MPH
ARE ALSO EXPECTED. THERE WILL BE CONSIDERABLE MELTING OF THE SNOW
ON ROADWAYS TODAY...BUT ROADS MAY BECOME SLUSHY AND VISIBILITIES
MAY BE LIMITED DUE TO THE HEAVY SNOWFALL. EXPECT ROAD CONDITIONS
TO DETERIORATE BY THIS EVENING AS TEMPERATURES DROP A LITTLE AND
THE SNOW CONTINUES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL HAZARDOUS.

&&

$$

COZ031-171615-
/O.NEW.KBOU.WW.Y.0021.090417T1015Z-090418T1800Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
INCLUDING...RABBIT EARS PASS
415 AM MDT FRI APR 17 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL NOON MDT
SATURDAY.

SNOW WILL CONTINUE THROUGH SATURDAY AND MAY BE HEAVY AT TIMES.
STORM TOTAL SNOWFALL OF 12 TO 24 INCHES IS EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

GIMMESTAD

000 
WWUS45 KBOU 171658
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1058 AM MDT FRI APR 17 2009

...POWERFUL SPRING STORM PRODUCING VERY HEAVY SNOWFALL OVER
THE EAST SLOPES OF THE FRONT RANGE AND NEARBY PLAINS IN NORTHEAST
COLORADO...

.A POWERFUL SPRING STORM NOW CENTERED OVER NORTH CENTRAL NEW
MEXICO WILL CONTINUE TO TRACK VERY SLOWLY EAST ACROSS NORTHEAST
NEW MEXICO THIS AFTERNOON...AND THEN NORTHEAST ACROSS SOUTHEAST
COLORADO TONIGHT AND SATURDAY MORNING. VERY MOIST AND UNSTABLE
FLOW ABOUT THIS STORM SYSTEM WILL CONTINUE TO PRODUCE HEAVY WET
SNOW IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS AND OVER THE PALMER
DIVIDE AT LEAST FOR THE NEXT 24 HOURS. AREAS IMMEDIATELY ADJACENT
TO THE FOOTHILLS IN JEFFERSON...BOULDER AND LARIMER COUNTIES...
GENERALLY ABOVE 5500 FEET...SNOW WILL CONTINUE TO FALL HEAVY AT
TIMES THROUGHOUT THE NIGHT. WHEREAS URBAN CORRIDOR AREAS EAST OF
I-25 WILL SEE A MIX OF RAIN AND SNOW TODAY WITH ONLY LIGHT
ACCUMULATION. HOWEVER...AS THE SNOW LEVEL LOWERS TO AROUND 5000
FEET OVERNIGHT...THE ENTIRE I-25 URBAN CORRIDOR SHOULD SEE
SNOW...HEAVY AT TIMES THROUGH EARLY SATURDAY MORNING. FARTHER OUT
ACROSS THE NORTHEAST PLAINS OF COLORADO TEMPERATURES MAY REMAIN
TOO WARM FOR OTHER THAN A MIX OF RAIN AND SNOW.

LATEST SNOWFALL AMOUNTS FROM WEATHER SPOTTERS AND AUTOMATED SNOW
GAGES IN THE NORTH CENTRAL MOUNTAINS AND FRONT RANGE FOOTHILLS
RANGE FROM 8 TO 17 INCHES SINCE LAST EVENING...WITH 19 INCHES OF
SNOW AT VIRGINA DALE NORTH OF FORT COLLINS UP NEAR THE WYOMING
BORDER. ON THE PLAINS...SNOW AMOUNTS RANGE FROM 2 TO 6 INCHES WEST
OF I-25 WITHIN THE FRONT RANGE URBAN CORRIDOR TO LESS THAN A INCH
ON GRASSY AREAS EAST OF I-25. FARTHER OUT ACROSS THE PLAINS
PRECIPITATION HAS REMAINED AS RAIN. 

PLEASE STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL
NEWS MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING
STORM.

COZ033>037-172300-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN...HARTSEL...
LAKE GEORGE
1058 AM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW...HEAVY AT TIMES...FROM TONIGHT THROUGH SATURDAY MORNING.
SNOWFALL RATES UP TO 2 INCHES PER HOUR CAN BE EXPECTED DURING
PERIODS OF HEAVIER SNOWFALL LATE THIS AFTERNOON AND TONIGHT. STORM
TOTAL ACCUMULATIONS TO REACH 18 TO 36 INCHES IN AREAS MAINLY EAST
OF THE CONTINENTAL DIVIDE...WITH A FEW SPOTS IN THE FRONT RANGE
FOOTHILLS POSSIBLY RECEIVING AS MUCH AS 4 FEET OF SNOWFALL BY
MIDDAY SATURDAY. ACCUMULATIONS IN SOUTH PARK WILL RANGE FROM 7 TO
14 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ038>041-043-172300-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER...
LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GREELEY
1058 AM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW...HEAVY AT TIMES UP AGAINST THE FOOTHILLS GENERALLY WEST OF
I-25 TODAY. AREAS EAST OF I-25 WILL LIKELY SEE ONLY A MIX OF RAIN
AND SNOW THE REST OF TODAY WITH TEMPERATURES REMAINING A FEW
DEGREES ABOVE FREEZING. AS TEMPERATURES FALL THIS EVENING THESE
AREAS SHOULD SEE PRECIPITATION CHANGING OVER TO ALL SNOW...WITH
SNOW HEAVY AT TIMES OVERNIGHT. 

THE PALMER DIVIDE SOUTH OF DENVER WILL LIKELY SEE THE GREATEST SNOW
ACCUMULATION WITH PERIODS OF VERY HEAVY SNOWFALL THROUGH SATURDAY
MORNING. IN ADDITION...NORTH WINDS OF 15 TO 30 MPH WILL ALSO
PRODUCE AREAS OF BLOWING SNOW ON THE PALMER DIVIDE. 

TOTAL SNOW ACCUMULATION BY NOON ON SATURDAY WILL RANGE FROM 15 TO
30 INCHES ON THE PALMER DIVIDE...12 TO 20 INCHES ALONG THE
FOOTHILLS WEST OF I-25 IN JEFFERSON...BOULDER AND LARIMER
COUNTIES...AND 5-10 INCHES IN URBAN CORRIDOR AREAS EAST OF I-25.
WESTERN PORTIONS OF WELD COUNTY MAY SEE UP TO 7 INCHES OF SNOW BY
SATURDAY MORNING. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL HAZARDOUS.

&&

$$

COZ031-172300-
/O.CON.KBOU.WW.Y.0021.000000T0000Z-090418T1800Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
INCLUDING...RABBIT EARS PASS
1058 AM MDT FRI APR 17 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY. 

SNOW WILL CONTINUE THROUGH SATURDAY AND MAY BE HEAVY AT TIMES.
STORM TOTAL SNOWFALL OF 8 TO 16 INCHES IS EXPECTED.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$
BAKER

000 
WWUS45 KBOU 172155
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
355 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON SATURDAY FOR
THE MOUNTAINS...FRONT RANGE FOOTHILLS...PALMER DIVIDE AND PORTIONS
OF THE I-25 URBAN CORRIDOR IN NORTH CENTRAL AND NORTHEAST
COLORADO...

.A POWERFUL SPRING STORM CENTERED OVER NORTHEAST NEW MEXICO WILL
CONTINUE TO TRACK VERY SLOWLY NORTHEAST ACROSS SOUTHEAST COLORADO
TONIGHT AND WESTERN KANSAS ON SATURDAY. VERY MOIST AND UNSTABLE
AIR CIRCULATING AROUND THE CENTER OF THIS STORM WILL CONTINUE TO
PRODUCE SNOW...HEAVY AT TIMES...ON THE EAST SLOPE OF THE FRONT
RANGE MOUNTAINS...OVER THE FRONT RANGE FOOTHILLS...THE PALMER
DIVIDE AND SOUTHERN PORTIONS OF THE I-25 URBAN CORRIDOR THROUGH
SATURDAY MORNING. FARTHER OUT ACROSS THE NORTHEAST PLAINS OF
COLORADO TEMPERATURES MAY REMAIN TOO WARM FOR OTHER THAN A MIX OF
RAIN AND SNOW DURING THE PERIOD.

LATEST SNOWFALL AMOUNTS FROM WEATHER SPOTTERS AND AUTOMATED SNOW
GAGES IN THE MOUNTAINS EAST OF THE CONTINENTAL DIVIDE AND FRONT
RANGE FOOTHILLS RANGE FROM 10 TO 27 INCHES...WITH 27 INCHES OF
SNOW AT VIRGINA DALE NORTH OF FORT COLLINS AND UP COAL CREEK
CANYON IN NORTHERN JEFFERSON COUNTY...AND 25 INCHES ATOP BUCKHORN
MOUNTAIN WEST OF FORT COLLINS. ON THE HIGH PLAINS...SNOW AMOUNTS
RANGE FROM 3 TO 9 INCHES WEST OF I-25 TO LESS THAN A COUPLE INCHES
ON GRASSY AREAS IN EASTERN PORTIONS OF DENVER METRO AREA. FARTHER
OUT ACROSS THE PLAINS PRECIPITATION HAS REMAINED AS RAIN WITH
TEMPERATURES GENERALLY IN THE 40S.

STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL NEWS
MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING STORM.

COZ038-043-180400-
/O.CAN.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
/O.NEW.KBOU.WW.Y.0022.090417T2155Z-090418T1800Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...GREELEY
355 PM MDT FRI APR 17 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT SATURDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL NOON MDT
SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED.

SNOW AND RAIN FALLING ACROSS EASTERN LARIMER AND WESTERN WELD
COUNTIES IS EXPECTED TO CHANGE OVER TO ALL SNOW THIS EVENING.
AFTER MIDNIGHT...SNOWFALL MAY RETURN TO A MIX OF RAIN AND SNOW
WITH OVERNIGHT TEMPERATURES HOVERING JUST ABOVE THE FREEZING
MARK.

TOTAL SNOW ACCUMULATION BY NOON ON SATURDAY WILL RANGE FROM 3 TO
7 INCHES...WITH THE HEAVIER SNOW AMOUNTS EXPECTED NEAR THE FOOTHILLS
IN LARIMER COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

COZ037-180400-
/O.CAN.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
/O.NEW.KBOU.WW.Y.0022.090417T2155Z-090418T1800Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...HARTSEL...LAKE GEORGE
355 PM MDT FRI APR 17 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL NOON MDT SATURDAY...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL NOON MDT
SATURDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED.

SNOW WILL CONTINUE TO FALL ACROSS SOUTH PARK OVERNIGHT...BEFORE
DECREASING SATURDAY MORNING. TOTAL SNOW ACCUMULATION BY NOON SATURDAY
WILL RANGE FROM 4 TO 8 INCHES...WITH THE HIGHER AMOUNTS ALONG THE
HIGHER TERRAIN IN EASTERN PARK COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

COZ031-172300-
/O.CAN.KBOU.WW.Y.0021.000000T0000Z-090418T1800Z/
WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET-
355 PM MDT FRI APR 17 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

EAST SLOPES OF THE PARK AND GORE MOUNTAIN RANGES MAY STILL PERIODS
OF LIGHT TO MODERATE SNOWFALL OVERNIGHT...BUT SNOW TOTALS SHOULD
REMAIN UNDER 4 INCHES.

$$

COZ033>036-180400-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
355 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW WILL CONTINUE...HEAVY AT TIMES...THROUGH SATURDAY MORNING. 
SNOWFALL RATES UP TO 2 INCHES PER HOUR CAN BE EXPECTED THROUGH
MIDNIGHT TONIGHT ON EAST FACING SLOPES AND IN THE HIGHER
FOOTHILLS OF JEFFERSON...BOULDER AND LARIMER COUNTIES. STORM TOTAL
ACCUMULATIONS OF 18 TO 30 INCHES CAN BE EXPECTED...WITH LOCALLY
UP TO 4 FEET OF SNOW POSSIBLE ABOVE 8000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ041-180400-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
355 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW WILL CONTINUE HEAVY AT TIMES OVER THE HIGHER TERRAIN OF THE 
PALMER DIVIDE SOUTH OF DENVER THROUGH SATURDAY MORNING. IN
ADDITION...NORTH WINDS OF 15 TO 25 MPH WILL ALSO PRODUCE AREAS OF
BLOWING SNOW.

TOTAL SNOW ACCUMULATION BY NOON ON SATURDAY WILL RANGE FROM 15 TO
30 INCHES...WITH THE GREATER AMOUNTS IN AREAS WEST OF I-25. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL HAZARDOUS.

&&

$$

COZ039-040-180400-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...ARVADA...BOULDER...LAKEWOOD...LONGMONT...AURORA
355 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW WILL CONTINUE HEAVY AT TIMES UP ALONG THE FOOTHILLS...WHERE
ANOTHER 6 TO 12 INCHES OF SNOW MAY ACCUMULATE BY NOON ON SATURDAY.
EAST I-25 GENERALLY AT AN ELEVATION BELOW 5300 FEET RAIN AND SNOW
WILL FALL. ALTHOUGH THESE AREAS MAY SEE THIS MIXED PRECIPITATION
BECOMING ALL SNOW LATE THIS AFTERNOON AND THIS EVENING WITH
SEVERAL INCHES OF SNOW ACCUMULATION BY MIDNIGHT. SNOWFALL THIS
AFTERNOON AND EARLY THIS EVENING MAY BE ACCOMPANIED BY THUNDER.

TOTAL SNOW ACCUMULATION BY NOON ON SATURDAY WILL RANGE FROM 12 TO
20 INCHES WEST OF I-25...AND 4 TO 8 INCHES IN LOWER AREAS EAST OF
I-25.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL HAZARDOUS.

&&

$$
BAKER

000 
WWUS45 KBOU 180131
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
731 PM MDT FRI APR 17 2009

...VERY HEAVY SNOWFALL CONTINUES TO POUND THE FRONT RANGE
MOUNTAINS AND FOOTHILLS...WHILE PERIODS OF HEAVY SNOW ARE ALSO
MOVING ACROSS DENVER AND BOULDER THIS EVENING...

.A POWERFUL SPRING STORM CENTERED OVER NORTHEAST NEW MEXICO WILL
CONTINUE TO TRACK VERY SLOWLY NORTHEAST ACROSS SOUTHEAST COLORADO
TONIGHT AND WESTERN KANSAS ON SATURDAY. VERY MOIST AND UNSTABLE
AIR CIRCULATING AROUND THE CENTER OF THIS STORM WILL CONTINUE TO
PRODUCE SNOW...HEAVY AT TIMES...ON THE EAST SLOPE OF THE FRONT
RANGE MOUNTAINS...OVER THE FRONT RANGE FOOTHILLS...THE PALMER
DIVIDE AND THE BOULDER AND DENVER METRO AREAS THROUGH SATURDAY
MORNING. FARTHER OUT ACROSS THE NORTHEAST PLAINS OF COLORADO
TEMPERATURES MAY REMAIN TOO WARM FOR OTHER THAN A MIX OF RAIN AND
SNOW DURING THE PERIOD. HOWEVER...SEVERAL INCHES OF SNOW AND SLUSH
ACCUMULATION CAN STILL BE EXPECTED AROUND FORT COLLINS AND GREELEY.

LATEST SNOWFALL AMOUNTS FROM WEATHER SPOTTERS AND AUTOMATED SNOW
GAGES IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS RANGE FROM 1 TO
3 FEET. THE HEAVIEST AMOUNTS HAVE GENERALLY FALLEN FROM THE
FOOTHILLS OF JEFFERSON COUNTY NORTHWARD THROUGH THE ROCKY MOUNTAIN
NATIONAL PARK AREA. IN THE BOULDER AND DENVER METRO AREAS...SNOW
AMOUNTS RANGED FROM 4 TO 9 INCHES...WITH THE HEAVIEST AMOUNTS WEST
OF I-25. MEANWHILE...LITTLE OR NO SNOW ACCUMULATION HAS OCCURRED
FROM LONGMONT THROUGH FORT COLLINS AND GREELEY.

TRAVEL CONDITIONS WILL CONTINUE TO DETERIORATE THROUGH THE REST OF
TONIGHT. IN THE MOUNTAINS AND FOOTHILLS...TRAVEL ON SECONDARY WILL BE
IMPOSSIBLE FOR MOST CARS AND FOUR WHEEL DRIVE VEHICLES...AND DIFFICULT
EVEN ON PLOWED ROADS INCLUDING INTERSTATE 70 WEST OF DENVER AND
THE PEAK TO PEAK HIGHWAY. MEANWHILE...DEEP SLUSH AND SNOW COVERED
ROADS IN DENVER AND BOULDER WILL ALSO CREATE HAZARDOUS DRIVING
CONDITIONS.

STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL NEWS
MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING STORM.

COZ033>036-181200-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
731 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH SATURDAY MORNING.
SNOWFALL RATES UP TO 3 INCHES PER HOUR CAN BE EXPECTED THROUGH
MIDNIGHT TONIGHT ON EAST FACING SLOPES AND IN THE HIGHER FOOTHILLS
OF JEFFERSON...BOULDER AND LARIMER COUNTIES. STORM TOTAL ACCUMULATIONS
OF 24 TO 36 INCHES CAN BE EXPECTED...WITH LOCALLY UP TO 5 FEET OF
SNOW POSSIBLE ABOVE 8000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ041-181200-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
731 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW WILL CONTINUE HEAVY AT TIMES OVER THE HIGHER TERRAIN OF THE
PALMER DIVIDE SOUTH OF DENVER THROUGH SATURDAY MORNING. IN
ADDITION...NORTH WINDS OF 15 TO 25 MPH WILL ALSO PRODUCE AREAS OF
BLOWING SNOW.

TOTAL SNOW ACCUMULATION BY NOON ON SATURDAY WILL RANGE FROM 15 TO
30 INCHES...WITH THE GREATER AMOUNTS IN AREAS WEST OF I-25.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL HAZARDOUS.

&&

$$

COZ039-040-181200-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...ARVADA...BOULDER...LAKEWOOD...LONGMONT...AURORA
731 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW...HEAVY AT TIMES...WILL CONTINUE INTO THE EARLY MORNING HOURS
SATURDAY. THE SNOW IS THEN EXPECTED TO DECREASE BY NOON SATURDAY. 
TOTAL STORM ACCUMULATIONS WILL RANGE FROM 12 TO 20 INCHES WEST OF
I-25...WITH 6 TO 12 INCHES EAST OF I-25. HOWEVER...A RAIN AND SNOW
MIX THIS EVENING FROM LONGMONT TO AROUND COMMERCE CITY WILL LIMIT
ACCUMULATIONS TO BETWEEN 3 AND 8 INCHES THERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL HAZARDOUS.

&&

$$

COZ038-043-181200-
/O.CON.KBOU.WW.Y.0022.000000T0000Z-090418T1800Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...GREELEY
731 PM MDT FRI APR 17 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY. 

A RAIN AND SNOW MIX IS EXPECTED TO CHANGE OVER TO ALL SNOW LATER
THIS EVENING. THE SNOW MAY BE HEAVY AT TIMES INTO EARLY SATURDAY
MORNING WITH ACCUMULATIONS OF 3 TO 7 INCHES EXPECTED...WITH THE
HEAVIER AMOUNTS FROM LARIMER COUNTY TOWARD SOUTHERN WELD COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

COZ037-181200-
/O.CON.KBOU.WW.Y.0022.000000T0000Z-090418T1800Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...HARTSEL...LAKE GEORGE
731 PM MDT FRI APR 17 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY. 

SNOW WILL CONTINUE TO FALL ACROSS SOUTH PARK OVERNIGHT...BEFORE
DECREASING SATURDAY MORNING. TOTAL SNOW ACCUMULATION BY NOON
SATURDAY WILL RANGE FROM 4 TO 9 INCHES...WITH THE HIGHER AMOUNTS
ALONG THE HIGHER TERRAIN IN EASTERN PARK COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

BARJENBRUCH

000 
WWUS45 KBOU 180345
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
945 PM MDT FRI APR 17 2009

...SNOW INTENSITY DECREASING...

.SNOW HAD DIMINISHED SOMEWHAT IN INTENSITY ACROSS THE FRONT RANGE
LATE THIS EVENING. HOWEVER...THERE WILL STILL BE PERIODS OF HEAVY
SNOWFALL INTO SATURDAY MORNING AS A POWERFUL SPRING STORM MOVES
SLOWLY NORTHEASTWARD ACROSS SOUTHEAST COLORADO AND INTO WESTERN
KANSAS BY SATURDAY MORNING.

LATEST SNOWFALL AMOUNTS FROM WEATHER SPOTTERS AND AUTOMATED SNOW
GAGES IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS RANGE FROM 1 TO
3 FEET...WITH UP TO 41 INCHES IN COAL CREEK CANYON. THE HEAVIEST
AMOUNTS HAVE GENERALLY FALLEN FROM THE FOOTHILLS OF JEFFERSON
COUNTY NORTHWARD THROUGH THE ROCKY MOUNTAIN NATIONAL PARK AREA
WHERE AMOUNTS BETWEEN 2 AND 3 FEET WERE COMMON. IN THE BOULDER AND
DENVER METRO AREAS...SNOW AMOUNTS RANGED FROM 4 TO 11 INCHES...WITH
THE HEAVIEST AMOUNTS WEST OF I-25. MEANWHILE...LITTLE OR NO SNOW
ACCUMULATION HAS OCCURRED FROM LONGMONT THROUGH FORT COLLINS AND
GREELEY.

TRAVEL CONDITIONS WILL CONTINUE TO GRADUALLY DETERIORATE THROUGH
THE REST OF TONIGHT. IN THE MOUNTAINS AND FOOTHILLS...TRAVEL ON
SECONDARY ROADS WILL BE IMPOSSIBLE FOR MOST CARS AND FOUR WHEEL
DRIVE VEHICLES...AND DIFFICULT EVEN ON PLOWED AND PRIMARY ROADS.
INTERSTATE 70 WAS CLOSED LATE THIS EVENING BETWEEN GOLDEN AND
VAIL. MEANWHILE...SLUSH COVERED MAINLY SECONDARY ROADS IN DENVER
AND BOULDER WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS.

STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL NEWS
MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING STORM.

COZ033>036-181300-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
945 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW...HEAVY AT TIMES...WILL CONTINUE INTO SATURDAY MORNING.
ANOTHER 6 TO 12 INCHES OF SNOW CAN BE EXPECTED...BRINGING STORM
TOTALS INTO THE 24 TO 40 INCH RANGE IN MOST LOCATIONS...WITH
LOCALLY AROUND 4 FEET IN THE FOOTHILLS ABOVE 8000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. THIS WILL MAKE TRAVEL
VERY HAZARDOUS OR IMPOSSIBLE.

&&

$$

COZ041-181300-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
945 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW IS EXPECTED TO INTENSIFY AGAIN LATE TONIGHT INTO EARLY
SATURDAY MORNING. THIS ADDITIONAL SNOW WILL BRING STORM TOTAL
ACCUMULATIONS INTO THE 14 TO 22 INCH RANGE...WITH THE HEAVIER
AMOUNTS IN DOUGLAS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL HAZARDOUS.

&&

$$

COZ039-040-181300-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...ARVADA...BOULDER...LAKEWOOD...LONGMONT...AURORA
945 PM MDT FRI APR 17 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT SATURDAY.

SNOW IS EXPECTED TO INTENSIFY AGAIN LATE TONIGHT INTO EARLY
SATURDAY MORNING. THIS WILL BRING STORM TOTAL ACCUMULATIONS TO
BETWEEN 9 AND 16 INCHES...WITH 6 TO 9 INCHES EAST OF I-25. 
HOWEVER...A RAIN AND SNOW MIX FROM LONGMONT TO AROUND COMMERCE
CITY WILL LIMIT ACCUMULATIONS TO BETWEEN 3 AND 6 INCHES THERE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER
CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW
ACCUMULATIONS ARE OCCURRING OR EXPECTED. THIS WILL MAKE TRAVEL
HAZARDOUS.

&&

$$

COZ038-043-181300-
/O.CON.KBOU.WW.Y.0022.000000T0000Z-090418T1800Z/
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-
INCLUDING...FORT COLLINS...LOVELAND...GREELEY
945 PM MDT FRI APR 17 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY. 

A RAIN AND SNOW MIX IS EXPECTED TO CHANGE OVER TO ALL SNOW
OVERNIGHT. THE SNOW MAY BE HEAVY AT TIMES INTO EARLY SATURDAY
MORNING WITH ACCUMULATIONS OF 3 TO 7 INCHES. THE HEAVIER AMOUNTS
WILL OCCUR FROM LARIMER COUNTY TOWARD SOUTHERN WELD COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

COZ037-181300-
/O.CON.KBOU.WW.Y.0022.000000T0000Z-090418T1800Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
INCLUDING...HARTSEL...LAKE GEORGE
945 PM MDT FRI APR 17 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
SATURDAY. 

SNOW WILL CONTINUE TO FALL ACROSS SOUTH PARK OVERNIGHT...BEFORE
DECREASING SATURDAY MORNING. TOTAL SNOW ACCUMULATION BY NOON
SATURDAY WILL RANGE FROM 4 TO 9 INCHES...WITH THE HIGHER AMOUNTS
ALONG THE HIGHER TERRAIN IN EASTERN PARK COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR
FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

$$

BARJENBRUCH

000 
WWUS45 KBOU 181105
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
505 AM MDT SAT APR 18 2009

...PART TWO OF THE SPRING STORM FOR THE DENVER AREA...

.THE UPPER LEVEL LOW PRESSURE AREA RESPONSIBLE FOR THE RAIN AND
SNOW ACROSS COLORADO MOVED LITTLE OVERNIGHT. AFTER A BREAK IN THE
PRECIPITATION DURING THE NIGHT...ANOTHER AREA OF RAIN AND SNOW
SPREAD ACROSS NORTHEASTERN COLORADO DURING THE EARLY MORNING
HOURS. THIS RAIN AND SNOW WILL BE FOCUSED ON NORTH CENTRAL AND
NORTHEASTERN COLORADO THIS MORNING AND THEN SHIFT EASTWARD.

THE SNOW LEVEL IS EXPECTED TO REMAIN AROUND 5000 FEET. THERE MAY
BE SOME SNOW IN FORT COLLINS...GREELEY...AND LIMON BUT ONLY MINOR
ACCUMULATIONS ARE EXPECTED IN THESE AREAS. IN THE DENVER AREA
THERE WILL CONTINUE TO BE LARGE DIFFERENCES IN CONDITIONS BASED ON
MINOR TEMPERATURE AND ELEVATION CHANGES. THE HEAVIEST SNOW IS
LIKELY AT ELEVATIONS ABOVE 5500 FEET...MAINLY THE WESTERN AND
SOUTHERN SUBURBS. THE MOST SERIOUS CONDITIONS WILL BE IN THE
FOOTHILLS WEST AND SOUTHWEST OF DENVER AND IN DOUGLAS AND WESTERN
ELBERT COUNTIES.

HEAVY SNOW WILL EXACERBATE THE ALREADY DIFFICULT TRAVEL SITUATION
IN THE FOOTHILLS...AND CREATE SLUSHY OR SNOWPACKED ROADS FROM
DENVER AND BOULDER SOUTHWARD THIS MORNING...ESPECIALLY IN DOUGLAS
COUNTY. TRAVELERS MAY WISH TO DELAY DRIVING UNTIL CONDITIONS
IMPROVE THIS AFTERNOON.

STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL NEWS
MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING STORM.

COZ037-038-043-181215-
/O.CAN.KBOU.WW.Y.0022.000000T0000Z-090418T1800Z/
CENTRAL AND SOUTHEAST PARK COUNTY-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
CENTRAL AND SOUTH WELD COUNTY-
505 AM MDT SAT APR 18 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

ONLY LIGHT SNOWFALL IS EXPECTED TODAY.

$$

COZ033>036-181800-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
505 AM MDT SAT APR 18 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

SNOW...HEAVY AT TIMES...WILL CONTINUE THIS MORNING...THEN
DECREASE. ANOTHER 4 TO 10 INCHES OF SNOW CAN BE EXPECTED...BRINGING
STORM TOTALS INTO THE 24 TO 40 INCH RANGE IN MOST LOCATIONS...WITH
LOCALLY AROUND 4 FEET IN THE FOOTHILLS ABOVE 8000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRAVEL WILL REMAIN VERY HAZARDOUS OR IMPOSSIBLE THIS MORNING.
UNNECESSARY TRAVEL SHOULD BE AVOIDED UNTIL CONDITIONS IMPROVE
LATER TODAY. BE PREPARED FOR POWER OUTAGES. DO NOT OVEREXERT
YOURSELF WHEN SHOVELING SNOW. MANY PEOPLE DIE OF HEART ATTACKS
AFTER WINTER STORMS WITH HEAVY WET SNOW.

&&

$$

COZ041-181800-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
505 AM MDT SAT APR 18 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

HEAVY SNOW WILL CONTINUE THIS MORNING...THEN DIMINISH THIS
AFTERNOON. ANOTHER 4 TO 8 INCHES OF SNOWFALL IS EXPECTED...
BRINGING STORM TOTAL ACCUMULATIONS INTO THE 14 TO 24 INCH
RANGE...WITH THE HEAVIER AMOUNTS IN DOUGLAS COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRAVEL WILL BE HAZARDOUS THIS MORNING...AND MAY BE IMPOSSIBLE ON
SECONDARY ROADS. TRAVELERS MAY WISH TO WAIT UNTIL CONDITIONS
IMPROVE LATER TODAY. BE PREPARED FOR POWER OUTAGES. DO NOT
OVEREXERT YOURSELF WHEN SHOVELING SNOW. MANY PEOPLE DIE OF HEART
ATTACKS AFTER WINTER STORMS WITH HEAVY WET SNOW.

&&

$$

COZ039-040-181800-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...ARVADA...BOULDER...LAKEWOOD...LONGMONT...AURORA
505 AM MDT SAT APR 18 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

SNOW WILL CONTINUE THIS MORNING AND WILL BE HEAVY AT TIMES.
ADDITIONAL ACCUMULATIONS OF 2 TO 5 INCHES ARE EXPECTED...BRINGING 
STORM TOTALS TO BETWEEN 8 AND 16 INCHES. AREAS FROM LONGMONT TO
COMMERCE CITY WILL HAVE LIGHTER ACCUMULATIONS AS THERE WILL STILL
BE SOME RAIN MIXED WITH THE SNOW THIS MORNING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS SHOULD BE PREPARED FOR SLUSHY OR SNOWPACKED
ROADS...ESPECIALLY IN THE WESTERN AND SOUTHERN SUBURBS. YOU MAY
WISH TO DELAY TRAVEL UNTIL THIS AFTERNOON WHEN CONDITIONS WILL BE
MUCH BETTER. DO NOT OVEREXERT YOURSELF WHEN SHOVELING SNOW. MANY
PEOPLE DIE OF HEART ATTACKS AFTER WINTER STORMS WITH HEAVY WET
SNOW.

&&

$$

GIMMESTAD

000 
WWUS45 KBOU 181722
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1122 AM MDT SAT APR 18 2009

...POWERFUL SPRING STORM WILL CONTINUE TO WRAP RAIN AND SNOW 
BACK INTO THE FRONT RANGE OF NORTHERN COLORADO REST OF TODAY...

.THE STRONG LOW PRESSURE SYSTEM RESPONSIBLE FOR PERIODS OF HEAVY
RAIN AND SNOW ACROSS NORTHEAST AND NORTH CENTRAL COLORADO DURING
THE PAST 24 HOURS WAS CENTERED OVER EAST CENTRAL COLORADO AS OF
LATE THIS MORNING. DEEP CIRCULATION AROUND THIS LOW PRESSURE
SYSTEM WILL CONTINUE TO PRODUCE SNOW HEAVY AT TIMES...IN THE
FRONT RANGE MOUNTAINS AND FOOTHILLS AND OVER PORTIONS OF THE
PALMER DIVIDE FOR THE REMAINDER OF THIS AFTERNOON. AREAS ABOVE
7000 FEET COULD SEE SNOWFALL RATES OF AT LEAST 2 INCHES PER HOUR
TODAY. ON THE PLAINS...RAIN AND SNOW UP AGAINST THE FOOTHILLS AND
PALMER DIVIDE SHOULD CHANGE OVER TO ALL RAIN BY EARLY THIS
AFTERNOON AS TEMPERATURES WARM INTO THE UPPER 30S AND LOWER 40S.

TRAVEL INTO THE MOUNTAINS AND FRONT RANGE FOOTHILLS FOR THE REST
OF TODAY WILL REMAIN QUITE DIFFICULT IF NOT IMPOSSIBLE DUE TO THE
HEAVY SNOWFALL AND THE HEAVY SNOW ACCUMULATION ALREADY ON THE
GROUND. HIGH COUNTRY ROADS WILL LIKELY REMAIN SLUSHY OR SNOW
PACKED THROUGH THIS EVENING...WITH THE THE CHAIN LAW POSSIBLE ON
MANY OF THE MOUNTAIN PASSES. DIFFICULT DRIVING CONDITIONS ARE
ALSO EXPECTED OVER THE PALMER DIVIDE SOUTH OF DENVER.

STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL NEWS
MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING STORM.

COZ033>036-182330-
/O.EXT.KBOU.WS.W.0009.000000T0000Z-090419T0000Z/
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-
INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
1122 AM MDT SAT APR 18 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS AFTERNOON...
THEN DECREASE OVERNIGHT. ANOTHER 4 TO 10 INCHES OF SNOW CAN BE
EXPECTED...BRINGING STORM TOTALS INTO THE 24 TO 40 INCH RANGE IN
MOST LOCATIONS...WITH LOCALLY AROUND 4 FEET IN THE FOOTHILLS ABOVE
8000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRAVEL WILL REMAIN VERY HAZARDOUS OR IMPOSSIBLE THIS MORNING.
UNNECESSARY TRAVEL SHOULD BE AVOIDED UNTIL CONDITIONS IMPROVE
LATER TODAY. BE PREPARED FOR POWER OUTAGES. DO NOT OVEREXERT
YOURSELF WHEN SHOVELING SNOW. MANY PEOPLE DIE OF HEART ATTACKS
AFTER WINTER STORMS WITH HEAVY WET SNOW.

&&

$$

COZ041-182330-
/O.EXT.KBOU.WS.W.0009.000000T0000Z-090419T0000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
1122 AM MDT SAT APR 18 2009

...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW...HEAVY AT TIMES WILL CONTINUE THROUGH THIS AFTERNOON...
THEN DIMINISH THIS EVENING. ANOTHER 3 TO 7 INCHES OF SNOW
WILL ACCUMULATE...WITH THE GREATEST AMOUNTS IN AREAS ABOVE 6400 
FEET AT ELEVATIONS. THIS WILL BRING STORM TOTAL ACCUMULATIONS
INTO THE 12 TO 24 INCH RANGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRAVEL WILL BE HAZARDOUS THIS MORNING...AND MAY BE IMPOSSIBLE ON
SECONDARY ROADS. TRAVELERS MAY WISH TO WAIT UNTIL CONDITIONS
IMPROVE LATER TODAY. BE PREPARED FOR POWER OUTAGES. DO NOT
OVEREXERT YOURSELF WHEN SHOVELING SNOW. MANY PEOPLE DIE OF HEART
ATTACKS AFTER WINTER STORMS WITH HEAVY WET SNOW.

&&

$$

COZ039-040-181830-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...ARVADA...BOULDER...LAKEWOOD...LONGMONT...AURORA
1122 AM MDT SAT APR 18 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY. 

SNOW WILL CONTINUE OVER EXTREME SOUTHERN PORTIONS OF THE DENVER
METRO AREA THROUGH EARLY THIS AFTERNOON. AREAS SOUTH OF DENVER
ABOVE 5500 FEET COULD SEE ANOTHER 1 TO 3 INCHES OF SNOW BY 2 PM. 
OTHERWISE EXPECT PERIODS OF LIGHT TO MODERATE RAINFALL ACROSS THE
REMAINDER OF THE DENVER-BOULDER AREA THROUGH THIS AFTERNOON. 
TOTAL SNOW ACCUMULATION ACROSS THE DENVER METRO AREA WITH THIS
STORM WILL RANGE FROM 5 AND 16 INCHES...WITH THE GREATEST AMOUNTS
OBSERVED IN AND AROUND BOULDER...AND THE SOUTHERN AND WESTERN
SUBURBS OF DENVER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

DRIVERS SHOULD BE PREPARED FOR SLUSHY OR SNOW PACKED ROADS...
ESPECIALLY IN THE WESTERN AND SOUTHERN SUBURBS. YOU MAY WISH TO
DELAY TRAVEL UNTIL THIS AFTERNOON WHEN CONDITIONS WILL BE MUCH
BETTER. DO NOT OVEREXERT YOURSELF WHEN SHOVELING SNOW. MANY
PEOPLE DIE OF HEART ATTACKS AFTER WINTER STORMS WITH HEAVY WET
SNOW.

&&

$$
BAKER

000 
WWUS45 KBOU 181829
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
1229 PM MDT SAT APR 18 2009

...POWERFUL SPRING STORM WILL CONTINUE TO WRAP RAIN AND SNOW BACK
INTO THE FRONT RANGE OF NORTHERN COLORADO REST OF TODAY...

.THE STRONG LOW PRESSURE SYSTEM RESPONSIBLE FOR PERIODS OF HEAVY
RAIN AND SNOW ACROSS NORTHEAST AND NORTH CENTRAL COLORADO DURING
THE PAST 24 HOURS WAS CENTERED OVER EAST CENTRAL COLORADO AS OF
LATE THIS MORNING. DEEP CIRCULATION AROUND THIS LOW PRESSURE
SYSTEM WILL CONTINUE TO PRODUCE SNOW HEAVY AT TIMES...IN THE
FRONT RANGE MOUNTAINS AND FOOTHILLS AND OVER PORTIONS OF THE
PALMER DIVIDE FOR THE REMAINDER OF THIS AFTERNOON. AREAS ABOVE
7000 FEET COULD SEE SNOWFALL RATES OF AT LEAST 2 INCHES PER HOUR
TODAY. ON THE PLAINS...RAIN AND SNOW UP AGAINST THE FOOTHILLS AND
PALMER DIVIDE SHOULD CHANGE OVER TO ALL RAIN BY EARLY THIS
AFTERNOON AS TEMPERATURES WARM INTO THE UPPER 30S AND LOWER 40S.

TRAVEL INTO THE MOUNTAINS AND FRONT RANGE FOOTHILLS FOR THE REST
OF TODAY WILL REMAIN QUITE DIFFICULT IF NOT IMPOSSIBLE DUE TO THE
HEAVY SNOWFALL AND THE HEAVY SNOW ACCUMULATION ALREADY ON THE
GROUND. HIGH COUNTRY ROADS WILL LIKELY REMAIN SLUSHY OR SNOW
PACKED THROUGH THIS EVENING...WITH THE THE CHAIN LAW POSSIBLE ON
MANY OF THE MOUNTAIN PASSES. DIFFICULT DRIVING CONDITIONS ARE
ALSO EXPECTED OVER THE PALMER DIVIDE SOUTH OF DENVER.

STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL NEWS
MEDIA FOR THE LATEST UPDATES CONCERNING THIS STRONG SPRING STORM.

COZ039-040-181930-
/O.EXP.KBOU.WS.W.0009.000000T0000Z-090418T1800Z/
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-
INCLUDING...ARVADA...BOULDER...LAKEWOOD...LONGMONT...AURORA
1229 PM MDT SAT APR 18 2009

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 

SNOWFALL HAS ENDED IN ALL BUT THE SOUTHERN SUBURBS OF THE DENVER
METRO AREA AS OF NOON. THE SOUTHERN SUBURBS MAY STILL SEE SNOW OR
A MIX OF RAIN AND SNOW THROUGH THE MIDDLE OF THIS AFTERNOON...BUT
LITTLE OR NO ADDITIONAL ACCUMULATION IS ANTICIPATED.

$$

COZ033>036-190000-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090419T0000Z/
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-
INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
1229 PM MDT SAT APR 18 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH THIS AFTERNOON...
THEN DECREASE OVERNIGHT. ANOTHER 4 TO 9 INCHES OF SNOW CAN BE
EXPECTED...BRINGING STORM TOTALS INTO THE 24 TO 40 INCH RANGE IN
MOST LOCATIONS...WITH LOCALLY AROUND 4 FEET IN THE FOOTHILLS ABOVE
8000 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRAVEL WILL REMAIN VERY HAZARDOUS OR IMPOSSIBLE THIS MORNING.
UNNECESSARY TRAVEL SHOULD BE AVOIDED UNTIL CONDITIONS IMPROVE
LATER TODAY. BE PREPARED FOR POWER OUTAGES. DO NOT OVEREXERT
YOURSELF WHEN SHOVELING SNOW. MANY PEOPLE DIE OF HEART ATTACKS
AFTER WINTER STORMS WITH HEAVY WET SNOW.

&&

$$

COZ041-190000-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090419T0000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
1229 PM MDT SAT APR 18 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

SNOW...HEAVY AT TIMES WILL CONTINUE THROUGH THIS AFTERNOON...
THEN DIMINISH THIS EVENING. ANOTHER 2 TO 6 INCHES OF SNOW WILL
ACCUMULATE...WITH THE GREATEST AMOUNTS IN AREAS ABOVE 6400 FEET AT
ELEVATIONS. THIS WILL BRING STORM TOTAL ACCUMULATIONS INTO THE 12
TO 24 INCH RANGE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TRAVEL WILL BE HAZARDOUS THIS MORNING...AND MAY BE IMPOSSIBLE ON
SECONDARY ROADS. TRAVELERS MAY WISH TO WAIT UNTIL CONDITIONS
IMPROVE LATER TODAY. BE PREPARED FOR POWER OUTAGES. DO NOT
OVEREXERT YOURSELF WHEN SHOVELING SNOW. MANY PEOPLE DIE OF HEART
ATTACKS AFTER WINTER STORMS WITH HEAVY WET SNOW.

&&

$$
BAKER

000 
WWUS45 KBOU 182253
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
453 PM MDT SAT APR 18 2009

.THE STRONG LOW PRESSURE SYSTEM RESPONSIBLE FOR PERIODS OF HEAVY
RAIN AND SNOW ACROSS NORTHEAST AND NORTH CENTRAL COLORADO DURING
THE PAST 24 HOURS WAS OVER SOUTHWEST KANSAS LATE SATURDAY
AFTERNOON AND WAS MOVING SLOWLY EASTWARD...LOOSENING ITS GRIP ON
NORTHEAST COLORADO. AREAS OF RAIN AND SNOW WILL CONTINUE INTO THIS
EVENING BUT THE WORST OF THE PRECIPITATION IS WINDING DOWN. 

AS OF LATE SATURDAY AFTERNOON TIME...THE LARGEST SNOW AMOUNT FROM
THIS STORM RECEIVED AT THE NATIONAL WEATHER SERVICE IS 52
INCHES...WITH A WATER EQUIVALENT OF 5.6 INCHES...3 MILES SOUTHEAST
OF PINECLIFFE IN EXTREME NORTHWEST JEFFERSON COUNTY.

COZ033>036-190000-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090419T0000Z/
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-
INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN
453 PM MDT SAT APR 18 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

THERE WILL CONTINUE TO BE A FEW MOUNTAIN AND FOOTHILLS AREAS
EXPERIENCING SNOW INTO THIS EVENING BUT THE WORST OF IT IS OVER.
WATCH OUT FOR REDUCED VISIBILITIES IN THE SNOW SHOWERS. 

$$

COZ041-190000-
/O.CON.KBOU.WS.W.0009.000000T0000Z-090419T0000Z/
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CASTLE ROCK
453 PM MDT SAT APR 18 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS
EVENING. 

AREAS OF SNOW AND MIXED RAIN AND SNOW WILL CONTINUE INTO THIS
EVENING BUT THE WORST OF THE PRECIPITATION IS WINDING DOWN. WATCH
OUT FOR AREAS OF FOG IN ADDITION TO THE REDUCED VISIBILITIES IN
THE SNOW.

$$

000 
WWUS45 KBOU 190010
WSWBOU

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
610 PM MDT SAT APR 18 2009

COZ033>036-041-190115-
/O.EXP.KBOU.WS.W.0009.000000T0000Z-090419T0000Z/
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-
ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET-
INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK...
ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN...CASTLE ROCK
610 PM MDT SAT APR 18 2009

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 

SCATTERED RAIN AND SNOW SHOWERS WILL CONTINUE INTO THE EVENING.
MOST OF THE ACTIVITY WILL BE LIGHT ALTHOUGH A FEW SNOW SHOWERS MAY
PRODUCE SNOWFALL RATES OF ONE HALF TO ONE INCH PER HOUR.

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE DENVER CO
435 AM MDT THU APR 16 2009

.SHORT TERM...SEVERAL DILEMMAS THIS MORNING. BIG PICTURE LOOKS
PRETTY GOOD WITH THE UPPER LOW MOVING SLOWLY EAST THROUGH THE FOUR
CORNERS AND ACROSS NORTHERN NEW MEXICO BY FRIDAY MORNING. MEANWHILE
SURFACE LOW WILL REMAIN OVER SOUTHEAST COLORADO. WE WILL HAVE AN
ELONGATED SURFACE TROUGH TODAY WITH SOUTHEAST WINDS ON THE EAST SIDE
OF IT...AND NORTH WINDS TRYING TO PRY THEIR WAY SOUTHWARD ALONG THE
FOOTHILLS. AS THE UPPER LOW MOVES EAST...THE WINDS ALOFT WILL GET AN
EASTERLY COMPONENT AND BEGIN TO OVERRUN THIS INTENSIFYING
BOUNDARY...THIS AFTERNOON AND EVENING. AS THE UPPER LOW MOVES EAST
OF THE MOUNTAINS THE SURFACE NORTHERLIES WILL BE ABLE TO SPREAD
ACROSS THE AREA TONIGHT AND BE OVERRUN BY VERY MOIST AND UNSTABLE
EAST TO SOUTHEAST WINDS ALOFT.

FIRST BIG QUESTION IS THE THUNDERSTORM THREAT TODAY. WE HAVE A
FAIRLY STABLE LAYER OFF THE GROUND THAT WILL PERSIST THROUGH MUCH OF
THE DAY...THEN BE ERODED FROM WEST TO EAST IN THE LATE AFTERNOON OR
EVENING. THIS APPEARS TO BE THE THREAT TIME. MODELS INDICATING CAPES
AROUND 500 J/KG WITH A DEEP SATURATED MOIST ADIABATIC LAYER...NOT
IDEAL FOR A STRONG UPDRAFT. THERE IS SPEED AND DIRECTIONAL SHEAR...
WHICH WILL BE BEST OVER NORTHEASTERN COLORADO. HELICITY WILL
APPROACH 300 M2/S2...A GOOD PROFILE FOR TORNADOGENESIS...BUT WE WILL
PROBABLY LACK THE INSTABILITY TO SUPPORT STRONG STORMS. IF WE DO GET
WARMER AND MOISTER THAN EXPECTED THE THREAT WILL INCREASE. FOR NOW
THE MAIN THREAT APPEARS TO BE WIND GUSTS IN AN ALREADY WINDY
ENVIRONMENT. CONVERGENCE LINE WILL BE WEST OF WHERE THE MODELS HAVE
IT WITH THE WINDS ALOFT SOUTH AND TENDING TOWARD AN EASTERLY
COMPONENT...PROBABLY NOT TOO FAR EAST OF DENVER...MAYBE LIMON NORTH
TOWARD NORTHERN WELD COUNTY.

NOW FOR THE MAIN EVENT...MODELS STILL PRETTY CONSISTENT IN
DEVELOPING A BROAD AREA OF PRECIPITATION AS THE OVERRUNNING
MENTIONED ABOVE DEVELOPS ALONG OUR NORTHERN BORDER AND SPREADS
SOUTHWARD OVERNIGHT. STILL SOME INCONSISTENCIES ON TEMPERATURE...
MOST SOLUTIONS HAVE THE DENVER AREA COLD ENOUGH EVEN THIS
EVENING...AND THE COOL AIR IN SOUTHEAST WYOMING WOULD APPEAR TO
SUPPORT THIS. WARMING AS YOU GO EAST...AND DOWN. THIS TEMPERATURE
PATTERN IS SIMILAR TO THAT OF THE MARCH 03 STORM WHERE PRECIP
AMOUNTS WERE SIMILAR BUT THE SNOW AMOUNTS TAPERED OFF QUICKLY AROUND
GREELEY AND LIMON. QG LIFT IS NOT TOO STRONG YET OVERNIGHT...THOUGH
INCREASING TOWARD MORNING...HOWEVER THE INSTABILITY COULD STILL
ALLOW SOME HEAVY PRECIP WHEREVER THE CONVERGENCE SETS UP. ENOUGH
CONFIDENCE TO GO TO A WINTER STORM WARNING IN THE MOUNTAINS AND ALSO
ZONE 41 WHERE A FEW DEGREES COOLER COULD MEAN A LOT MORE SNOW. WE
WILL DELAY THE WATCH FOR THE LOWER ZONES EXPECTING BOTH LESS
PRECIPITATION AND POSSIBLY TOO WARM IN THE EVENING HOURS...THERE
WILL LIKELY BE SOME DELAY TO ROAD IMPACTS DUE TO MELTING IN ANY
EVENT.

.LONG TERM...THIRD NIGHT IN A ROW LOOKING AT CONSISTENT 00Z MODEL
RUNS.  THE UPPER LOW IS OVER NORTH CENTRAL NEW MEXICO AT 12Z FRIDAY
MORNING...OVER THE FAR NORTHEAST CORNER OF NEW MEXICO AT 00Z FRIDAY
AFTERNOON...THEN OVER SOUTHWESTERN-WEST CENTRAL KANSAS AT 12Z
SATURDAY MORNING.   BY LATE SATURDAY AFTERNOON THE NAM AND THE GFS
HAVE IT ANCHORED OVER THE SOUTHWESTERN KANSAS CORNER.  THE ECMWF HAS
IT OVER SOUTH CENTRAL NEBRASKA. DECENT UPWARD MOTION IS PROGGED WITH
THIS UPPER LOW IN THE SYNOPTIC SCALE FRIDAY WELL INTO SATURDAY.
DOWNWARD MOTION IS PROGGED BY LATE SATURDAY AFTERNOON.  CROSS
SECTIONS CONTINUE TO SHOW THE UPSLOPE FLOW PRETTY STRONG AND QUITE
DEEP FRIDAY WELL INTO SATURDAY.  MOISTURE IS PRETTY DEEP ON BOTH
MODELS FRIDAY THROUGH SATURDAY.  THE QPF FIELDS HAVE UPPED THE TOTAL
AMOUNTS OF LIQUID WITH THIS STORM FOR ALL THE FORECAST AREA.  THE
MODELS HAVE 1.00 TO 3.50 INCHES WITH THE STORM THROUGH SUNDAY
MORNING AT 12Z.  CONCERNING THE TEMPERATURES FOR PRECIPITATION
TYPE...THE NAM THICKNESS VALUES SHOW IT A BIT COOLER ON THE PLAINS
THAN IT INDICATED YESTERDAY.  THE GFS IS STILL A BIT WARMER.  THE
WET BULB ZERO VALUES FOR NAM FORECAST SOUNDINGS STILL POINT TO
MAINLY SNOW FOR THE WESTERN PLAINS...A MIX IN THE CENTRAL PLAINS
...AND RAIN FOR THE NORTHEAST CORNER ON FRIDAY.   FOR FRIDAY NIGHT
AND SATURDAY... ALL BUT THE NORTHEAST CORNER LOOKS COLD ENOUGH FOR
SNOW.  WILL GO MIX FOR THE CORNER FRIDAY NIGHT AND SATURDAY.   WILL
GO WITH WARNINGS FOR DIVIDE MOUNTAIN ZONES...FOOTHILLS...PARK COUNTY
...AND PALMER RIDGE FROM WHEN THE SHORT TERM GUY DECIDES TO START IT
UNTIL SATURDAY MID DAY.  SNOW MODELS YIELDS HEALTHY AMOUNTS...BUT IT
WILL BE A WET SNOW.  WILL KEEP WATCH GOING FOR THE URBAN CORRIDOR
AND ZONE 43 FROM 06Z TONIGHT THROUGH MID DAY SATURDAY.  THERE IS
STILL THE RAIN/SNOW SWITCH OVER TIMING ISSUE...AND THE TEMPERATURE
DIFFERENCES BETWEEN THE TOW MODELS.  IT IS LOOKING PRETTY GOOD.  FOR
TEMPERATURES...MOS GUIDANCES ARE TO WARM FOR BOTH FRIDAY AND
SATURDAY.  FOR THE LATER DAYS...SUNDAY THROUGH WEDNESDAY...MODELS
HAVE OUR WEATHER DOMINATED BY DRY...WARM ...UPPER RIDGING.

&&

.AVIATION...LOW CLOUDS WILL DEVELOP ALONG THE FRONT RANGE THIS
MORNING...WITH MVFR CEILINGS PREVAILING. RAIN SHOWERS ARE LIKELY
THIS AFTERNOON WITH AN ISOLATED THUNDERSTORM POSSIBLE. SHOWERS WILL
TURN INTO STEADY PRECIPITATION OVERNIGHT...WITH RAIN CHANGING TO
SNOW. ACCUMULATING SNOW IS POSSIBLE AFTER MIDNIGHT...AND LIKELY BY
SUNRISE ON FRIDAY. MODERATE TO HEAVY SNOWFALL IS EXPECTED FROM
FRIDAY INTO SATURDAY WITH SNOWFALL RATES OVER ONE INCH PER HOUR AT
TIMES.

&&

.BOU WATCHES/WARNINGS/ADVISORIES...WINTER STORM WARNING THIS
AFTERNOON THROUGH MID DAY SATURDAY FOR ZONES 33>37.
...WINTER STORM WARNING TONIGHT THROUGH MID DAY SATURDAY FOR ZONE 41.
...WINTER STORM WATCH FROM TONIGHT AT MIDNIGHT THROUGH MID DAY
SATURDAY FOR ZONES 38>40..43.

GIMMESTAD/RJK

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DENVER CO
1126 AM MDT WED APR 15 2009

COZ030>051-161200-
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-
1126 AM MDT WED APR 15 2009

...SIGNIFICANT SPRING STORM POSSIBLE FROM THURSDAY NIGHT THROUGH
SATURDAY MORNING...
...WINTER STORM WATCH MOUNTAINS...FOOTHILLS AND FRONT RANGE URBAN
CORRIDOR THURSDAY NIGHT THROUGH SATURDAY MORNING FOR HEAVY SNOW AND
WIND...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL
COLORADO.

.DAY ONE...TODAY AND TONIGHT

SCATTERED SHOWERS ALONG WITH A FEW THUNDERSTORMS WILL DEVELOP ACROSS
THE MOUNTAINS THIS AFTERNOON...CONTINUING INTO THE EVENING EVENING.
THE RAIN WILL BE MIXED WITH SNOW WITH LOCAL SNOW ACCUMULATIONS OF UP
TO TWO INCHES POSSIBLE. SCATTERED SNOW SHOWERS WILL THEN CONTINUE
OVERNIGHT. ACROSS THE PLAINS...ISOLATED TO WIDELY SCATTERED
THUNDERSTORMS MAY DEVELOP LATE THIS AFTERNOON INTO THE EARLY EVENING
HOURS. A FEW OF THE STORMS COULD PRODUCE BRIEF HEAVY...SMALL HAIL
AND GUSTY WIND.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

THERE IS A SMALL CHANCE OF SEVERE THUNDERSTORMS OVER LOGAN...
WASHINGTON...LINCOLN...PHILLIPS AND SEDGWICK COUNTIES THURSDAY
AFTERNOON AND EARLY EVENING.  ENOUGH SHEAR AND INSTABILITY WILL
EXIST TO PRESENT A THREAT OF LARGE HAIL IN THOSE AREAS.

A WINTER STORM WATCH REMAINS IN EFFECT FOR THE FOOTHILLS...MOUNTAINS
...PALMER DIVIDE AND URBAN CORRIDOR FOR THURSDAY NIGHT INTO SATURDAY
MORNING.  THE LATEST FORECAST MODEL DATA IS CONSISTENT WITH EARLIER
RUNS BRINGING A STRONG CYCLONE LOCATED OVER THE GREAT BASIN LATE
WEDNESDAY MORNING INTO THE FOUR CORNERS AREA BY THURSDAY AFTERNOON
AND THEN TRACKING IT EASTWARD TO THE TEXAS PANHANDLE BY FRIDAY
EVENING.  THIS IS A FAVORABLE TRACK FOR SIGNIFICANT PRECIPITATION IN
MUCH OF THE OUTLOOK AREA...WITH FRIDAY INTO EARLY SATURDAY APPEARING
AT THIS TIME TO EXPERIENCE THE WORST CONDITIONS BOTH IN REGARDS TO
WIND AND PRECIPITATION.  THE FAR NORTHEAST PLAINS MAY CONTINUE TO
SEE LINGERING EFFECTS FROM THIS STORM LATER INTO SATURDAY.  GRAND
AND JACKSON COUNTIES WILL PROBABLY SEE THE LEAST IMPACT FROM THIS
STORM.

THERE IS STILL SOME UNCERTAINTY REGARDING THE TYPE OF PRECIPITATION
EXPECTED WITH THIS STORM.  THE MOUNTAINS...FOOTHILLS AND PALMER
DIVIDE WILL LIKELY SEE ALL SNOW WITH SUBSTANTIAL AMOUNTS POSSIBLE BY
LATE IN THE DAY FRIDAY.  WELL EAST ON THE PLAINS TEMPERATURES LOOK
TO REMAIN WARM ENOUGH TO PREVENT ANY SNOW.  IN BETWEEN...OVER THE
URBAN CORRIDOR INCLUDING DENVER...BOULDER AND FORT COLLINS...THE
TYPE OF PRECIPITATION EXPECTED WITH THE STORM IS MORE QUESTIONABLE
DUE TO UNCERTAIN DETAILS SUCH AS HOW MUCH DOWNSLOPE FLOW MAY OCCUR.
ANY SNOW THAT DOES OCCUR WITH THIS STORM WILL BE OF THE HEAVY WET
TYPE DUE TO THE RELATIVELY WARM TEMPERATURES.

THE STORM SHOULD LOOSEN ITS GRIP ON THE OUTLOOK AREA BY SUNDAY WITH
WARMER AND DRY CONDITIONS EXPECTED EARLY NEXT WEEK AS HIGH PRESSURE
BUILDS OVER COLORADO.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

D-L/ET