Alert archive / Oregon / Winter Storm Warnings in 2007

Winter Storm Warning 4, NWS Medford, OR

December 19, 20074 counties in Oregon; Siskiyou County, California

NWS Medford, OR issued this winter storm warning at Dec 19, 2007, 2:32 AM PST for 4 counties in Oregon; Siskiyou County, California. It took effect at Dec 19, 2007, 1:51 PM PST. It was in force for 19 hr. 10 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Dec 19, 2007, 2:32 AM PST (10:32 UTC)
In effect from
Dec 19, 2007, 1:51 PM PST
Expired
Dec 20, 2007, 8:44 AM PST
In force
19 hr
Issued by
NWS Medford, OR

Counties Siskiyou County, CA, Douglas County, OR, Jackson County, OR, Josephine County, OR, Klamath County, OR

The radar

The Medford radar (KMAX), 44 km from the middle of the area, began a volume at 10:34 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.

What was reported inside it

TimeReportWhereRemark
Dec 19, 4:07 PM PSTSNOW 71 W Crescent, OR8 HOUR SNOW TOTAL. 7 INCHES OF SNOW SINCE 8AM. STILL SNOWING. TEMPERATURE 32 DEGREES ALL DAY.
Dec 19, 5:23 PM PSTHEAVY SNOW 62 W Siskiyou Summit, OR6 NICHES NEW SNOW SINCE 2PM
Dec 19, 5:35 PM PSTHEAVY SNOW 46 Nw Mount Shasta, CA4 INCHES OF SNOW IN THE PAST 4 HOURS.
Dec 19, 11:14 PM PSTHEAVY SNOW 91 N Mount Shasta, CA9 INCHES FELL BETWEEN 10AM AND 10PM AT 3800 FT AT 3500 FT 2 INCHES WAS MEASURED.
Dec 20, 5:33 AM PSTHEAVY SNOW 61 Nw Keno, OR3 PM TO 530 AM.
Dec 20, 8:00 AM PSTSNOW 54 Wsw Chiloquin, OR24 HOUR SNOWFALL ENDING AT 8 AM
Dec 20, 8:00 AM PSTHEAVY SNOW 1816 Se Butte Falls, OR24 HOUR SNOWFALL ENDING AT 800 AM THURSDAY AT FISH LAKE RESORT
Dec 20, 8:00 AM PSTHEAVY SNOW 21Diamond Lake, OR24 HOUR SNOWFALL ENDING AT 8 AM THURSDAY
Dec 20, 8:27 AM PSTHEAVY SNOW 64 Sw Weed, CA24 HOUR TOTAL ENDING 8 AM.
Dec 20, 8:27 AM PSTHEAVY SNOW 151 W Crescent, OR24 HOUR TOTAL ENDING 8 AM TODAY. 8 INCHES OF THIS FELL SINCE 4 PM YESTERDAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 00:00Z, 10.5 hours before the alert went out and 13 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.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2007-12-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 00:00Z on 2007-12-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 45 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1168 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
45 m²/s²
0-3 km storm-relative helicity
170 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS46 KMFR 191032
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
232 AM PST WED DEC 19 2007

CAZ082-083-191845-
/O.UPG.KMFR.WS.A.0006.071220T0000Z-071220T1500Z/
/O.NEW.KMFR.WS.W.0004.071220T0200Z-071220T1700Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...MOUNT SHASTA...DUNSMUIR...MCCLOUD...
TENNANT
232 AM PST WED DEC 19 2007

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
PST THURSDAY ABOVE 3500 FEET...
...WINTER STORM WATCH NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM PST
THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A WEATHER SYSTEM JUST OFF THE COAST WILL MOVE ONSHORE BY LATE MORNING.
GENERALLY LIGHT SNOW AMOUNTS CAN BE EXPECTED WITH THIS INITIAL SYSTEM.
SNOW LEVELS WILL START OUT TODAY AROUND 3500 TO 4000 FEET THEN
LOWER TO BELOW 3000 FEET BY THURSDAY MORNING. A SECOND STRONGER
SYSTEM WILL APPROACH THE COAST LATER THIS AFTERNOON THEN MOVE
ONSHORE OVERNIGHT. SNOWFALL IS EXPECTED TO BECOME HEAVY AT TIMES
WITH 6 TO 10 INCHES ACCUMULATING BY THURSDAY MORNING.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

CAZ080-191845-
/O.NEW.KMFR.WS.W.0004.071220T0200Z-071220T1700Z/
WESTERN SISKIYOU COUNTY-
INCLUDING THE CITIES OF...ETNA...FORT JONES...GREENVIEW
232 AM PST WED DEC 19 2007

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
PST THURSDAY ABOVE 3500 FEET...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM PST
THURSDAY. 

A WEATHER SYSTEM JUST OFF THE COAST WILL MOVE ONSHORE BY LATE MORNING.
GENERALLY LIGHT SNOW AMOUNTS CAN BE EXPECTED WITH THIS INITIAL SYSTEM.
SNOW LEVELS WILL START OUT TODAY AROUND 3500 TO 4000 FEET THEN
LOWER TO BELOW 3000 FEET BY THURSDAY MORNING. A SECOND STRONGER
SYSTEM WILL APPROACH THE COAST LATER THIS AFTERNOON THEN MOVE
ONSHORE OVERNIGHT. SNOWFALL IS EXPECTED TO BECOME HEAVY AT TIMES
WITH 6 TO 10 INCHES ACCUMULATING BY THURSDAY MORNING.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ORZ027-028-191845-
/O.NEW.KMFR.SN.Y.0021.071220T0200Z-071220T1700Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT
232 AM PST WED DEC 19 2007

...SNOW ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO 9 AM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM PST
THURSDAY. 

A WEATHER SYSTEM JUST OFF THE COAST WILL MOVE ONSHORE BY LATE MORNING.
GENERALLY LIGHT SNOW AMOUNTS CAN BE EXPECTED WITH THIS INITIAL SYSTEM.
SNOW LEVELS WILL START OUT TODAY AROUND 3500 TO 4000 FEET THEN
LOWER TO BELOW 3000 FEET BY THURSDAY MORNING. A SECOND STRONGER
SYSTEM WILL APPROACH THE COAST LATER THIS AFTERNOON THEN MOVE
ONSHORE OVERNIGHT. SNOWFALL IS EXPECTED TO BECOME HEAVY AT TIMES
WITH 6 TO 11 INCHES ACCUMULATING BY THURSDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

HOLTZ
5 follow-up statements
000 
WWUS46 KMFR 191703
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
903 AM PST WED DEC 19 2007

CAZ080-082-083-200115-
/O.CON.KMFR.WS.W.0004.071220T0200Z-071220T1700Z/
WESTERN SISKIYOU COUNTY-SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...ETNA...FORT JONES...GREENVIEW...
MOUNT SHASTA...DUNSMUIR...MCCLOUD...TENNANT
903 AM PST WED DEC 19 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM PST THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM PST THURSDAY. 

THE LEADING EDGE OF A WARM FRONT HAS MOVED ONSHORE THIS MORNING.
SNOW LEVELS WILL GENERALLY REMAIN ABOVE 4000 FEET TODAY BEFORE
FALLING TO BELOW 3000 FEET OVERNIGHT AS A TRAILING COLD FRONT
PUSHES THROUGH THE AREA. SNOWFALL IS EXPECTED TO BECOME HEAVY AT
TIMES WITH 6 TO 10 INCHES ACCUMULATING BY THURSDAY MORNING.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ORZ027-028-200115-
/O.CON.KMFR.SN.Y.0021.071220T0200Z-071220T1700Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT
903 AM PST WED DEC 19 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
PST THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 6 PM THIS EVENING TO 9 AM
PST THURSDAY. 

THE LEADING EDGE OF A WARM FRONT HAS MOVED ONSHORE THIS MORNING.
SNOW LEVELS WILL GENERALLY REMAIN ABOVE 4000 FEET TODAY BEFORE
FALLING TO BELOW 3000 FEET OVERNIGHT AS A TRAILING COLD FRONT
PUSHES THROUGH THE AREA. SNOWFALL IS EXPECTED TO BECOME HEAVY AT
TIMES WITH 6 TO 11 INCHES ACCUMULATING BY THURSDAY MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS46 KMFR 192151
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
151 PM PST WED DEC 19 2007

ORZ027-028-200600-
/O.UPG.KMFR.SN.Y.0021.071220T0200Z-071220T1700Z/
/O.EXB.KMFR.WS.W.0004.071220T0200Z-071220T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT
151 PM PST WED DEC 19 2007

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 10 AM
PST THURSDAY...
...SNOW ADVISORY NO LONGER IN EFFECT...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 10 AM PST
THURSDAY. THE SNOW ADVISORY IS NO LONGER IN EFFECT. 

A STRONG PACIFIC COLD FRONT WILL PUSH THROUGH THE AREA TONIGHT.
SNOW LEVELS WILL START AROUND 4000 FEET BUT FALL RAPIDLY THIS
EVENING. TOTAL STORM ACCUMULATION OF 4 TO 8 INCHES AND UP TO 1
FOOT ON SOUTH FACING SLOPES IS EXPECTED BELOW 5000 FEET AND 1 
TO 2 FEET OF SNOW EXPECTED ABOVE 5000 FEET.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

CAZ080-082-083-200600-
/O.CON.KMFR.WS.W.0004.071220T0200Z-071220T1700Z/
WESTERN SISKIYOU COUNTY-SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...ETNA...FORT JONES...GREENVIEW...
MOUNT SHASTA...DUNSMUIR...MCCLOUD...TENNANT
151 PM PST WED DEC 19 2007

...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM PST THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 PM THIS EVENING
TO 9 AM PST THURSDAY. 

A STRONG PACIFIC COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW
LEVEL WILL FALL FROM 4000 LOCALLY 3000 FEET TO 2000 FEET BY THURSDAY
MORNING. TOTAL STORM ACCUMULATION OF 3 TO 6 INCHES AND UP TO 10
INCHES ON SOUTH FACING SLOPES IS EXPECTED BELOW 5000 FEET AND 1 TO
2 FEET OF SNOW EXPECTED ABOVE 5000 FEET.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

CAZ081-200600-
/O.NEW.KMFR.SB.Y.0008.071220T0600Z-071220T1800Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF...YREKA...WEED
151 PM PST WED DEC 19 2007

...SNOW AND BLOWING SNOW ADVISORY IN EFFECT FROM 10 PM THIS
EVENING TO 10 AM PST THURSDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SNOW AND
BLOWING SNOW ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS
EVENING TO 10 AM PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW
ACCUMULATIONS OF 1 TO 3 INCHES AND LOCALLY UP TO 8 INCHES MAINLY
OVER HIGHER TERRAIN IN SOUTHERN SHASTA VALLEY WILL COMBINE WITH
SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH TO PRODUCE
POOR VISIBILITIES IN SNOW AND BLOWING SNOW CONDITIONS.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

ORZ023-200600-
/O.NEW.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
CENTRAL DOUGLAS COUNTY-
INCLUDING THE CITIES OF...ROSEBURG...SUTHERLIN...GREEN
151 PM PST WED DEC 19 2007

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
THURSDAY ABOVE 1500 FOOT...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM
PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW LEVELS
ARE EXPECTED TO FALL FROM 4000 FT THIS EVENING TO NEAR 1500 FOOT BY
SUNRISE THURSDAY. ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED OVER
HIGHER TERRAIN IN THE UMPQUA BASIN.


A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ORZ025-200600-
/O.NEW.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
EASTERN DOUGLAS COUNTY FOOTHILLS-
INCLUDING THE CITIES OF...STEAMBOAT...TOKETEE FALLS
151 PM PST WED DEC 19 2007

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
THURSDAY ABOVE 2000 FEET...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM
PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW LEVELS
ARE EXPECTED TO FALL FROM 4000 FT THIS EVENING TO NEAR 2000 FOOT BY
SUNRISE THURSDAY. ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED
BETWEEN 2000 AND 3000 FEET WITH LOCALLY UP TO 5 TO 10 INCHES
ABOVE 3000 FEET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ORZ024-026-200600-
/O.NEW.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY-
INCLUDING THE CITIES OF...GRANTS PASS...MEDFORD...ASHLAND
151 PM PST WED DEC 19 2007

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
THURSDAY ABOVE 2000 FEET...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM
PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW LEVELS
ARE EXPECTED TO FALL FROM 4000 FT THIS EVENING TO NEAR 2000 FOOT BY
SUNRISE THURSDAY. ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED
BETWEEN 2000 AND 3000 FEET WITH LOCALLY UP TO 6 INCHES ABOVE 3000
FEET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CAZ084-ORZ029-200600-
/O.NEW.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-KLAMATH BASIN-
INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTAMONT...
KLAMATH FALLS
151 PM PST WED DEC 19 2007

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM
PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. TOTAL STORM 
SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED WITH LOCAL
ACCUMULATIONS UP TO 9 INCHES EXPECTED ON HIGHER TERRAIN.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CAZ085-ORZ030-031-200600-
/O.NEW.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
MODOC COUNTY-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTURAS...BEATTY...BLY...CHEMULT...
CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
151 PM PST WED DEC 19 2007

...SNOW ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 10 AM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 10 AM
PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. TOTAL STORM 
SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED WITH LOCAL
ACCUMULATIONS UP TO 9 INCHES EXPECTED ON HIGHER TERRAIN.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
000 
WWUS46 KMFR 200310 AAA
WSWMFR

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE MEDFORD OR
710 PM PST WED DEC 19 2007

CAZ080-082-083-201115-
/O.CON.KMFR.WS.W.0004.000000T0000Z-071220T1700Z/
WESTERN SISKIYOU COUNTY-SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...ETNA...FORT JONES...GREENVIEW...
MOUNT SHASTA...DUNSMUIR...MCCLOUD...TENNANT
710 PM PST WED DEC 19 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM PST
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM PST THURSDAY.

A STRONG PACIFIC COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW
LEVEL WILL FALL FROM 3000 LOCALLY 2000 FEET...DROPPING TO VALLEY
FLOORS IN PLACES. TOTAL STORM ACCUMULATION OF 3 TO 6 INCHES AND
UP TO 10 INCHES ON SOUTH FACING SLOPES IS EXPECTED BELOW 5000 FEET
AND 1 TO 2 FEET OF SNOW EXPECTED ABOVE 5000 FEET.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ORZ027-028-201115-
/O.CON.KMFR.WS.W.0004.000000T0000Z-071220T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT
710 PM PST WED DEC 19 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
THURSDAY. 

A STRONG PACIFIC COLD FRONT WILL PUSH THROUGH THE AREA TONIGHT.
TOTAL STORM ACCUMULATION OF 4 TO 8 INCHES AND UP TO 1 FEET ON
SOUTH FACING SLOPES IS EXPECTED BELOW 5000 FEET AND 1 TO 2 FEET OF
SNOW EXPECTED ABOVE 5000 FEET.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

CAZ081-201115-
/O.CON.KMFR.SB.Y.0008.071220T0600Z-071220T1800Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF...YREKA...WEED
710 PM PST WED DEC 19 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM
THIS EVENING TO 10 AM PST THURSDAY...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM
THIS EVENING TO 10 AM PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW
ACCUMULATIONS OF 1 TO 3 INCHES AND LOCALLY UP TO 8 INCHES MAINLY
OVER HIGHER TERRAIN IN SOUTHERN SHASTA VALLEY WILL COMBINE WITH
SOUTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 40 MPH TO PRODUCE POOR
VISIBILITIES IN SNOW AND BLOWING SNOW CONDITIONS.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

ORZ023-201115-
/O.CON.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
CENTRAL DOUGLAS COUNTY-
INCLUDING THE CITIES OF...ROSEBURG...SUTHERLIN...GREEN
710 PM PST WED DEC 19 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY ABOVE 1500 FEET...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW LEVELS
ARE EXPECTED TO FALL FROM 4000 FT THIS EVENING TO NEAR 1500 FEET
BY SUNRISE THURSDAY. ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED
OVER HIGHER TERRAIN IN THE UMPQUA BASIN.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ORZ025-201115-
/O.CON.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
EASTERN DOUGLAS COUNTY FOOTHILLS-
INCLUDING THE CITIES OF...STEAMBOAT...TOKETEE FALLS
710 PM PST WED DEC 19 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY ABOVE 1500 FEET...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW LEVELS
ARE EXPECTED TO FALL FROM 4000 FT THIS EVENING TO NEAR VALLEY
FLOORS...AND TO VALLEY FLOORS LOCALLY BY SUNRISE THURSDAY.
ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED BETWEEN 1500 AND 3000
FEET WITH LOCALLY UP TO 5 TO 10 INCHES ABOVE 3000 FEET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ORZ024-026-201115-
/O.CON.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY-
INCLUDING THE CITIES OF...GRANTS PASS...MEDFORD...ASHLAND
710 PM PST WED DEC 19 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY ABOVE 2000 FEET...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. SNOW LEVELS
ARE EXPECTED TO FALL FROM 3000 FT THIS EVENING TO NEAR 2000 FEET
BY SUNRISE THURSDAY...AND DROPPING TO NEAR VALLEY FLOORS LOCALLY.
ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED BETWEEN 2000 AND 3000
FEET WITH LOCALLY UP TO 6 INCHES ABOVE 3000 FEET.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CAZ084-ORZ029-201115-
/O.CON.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-KLAMATH BASIN-
INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTAMONT...
KLAMATH FALLS
710 PM PST WED DEC 19 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. TOTAL STORM
SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED WITH LOCAL
ACCUMULATIONS UP TO 9 INCHES EXPECTED ON HIGHER TERRAIN.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CAZ085-ORZ030-031-201115-
/O.CON.KMFR.SN.Y.0022.071220T0600Z-071220T1800Z/
MODOC COUNTY-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTURAS...BEATTY...BLY...CHEMULT...
CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
710 PM PST WED DEC 19 2007

...SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO
10 AM PST THURSDAY. 

A STRONG COLD FRONT WILL PUSH INTO THE AREA TONIGHT. TOTAL STORM
SNOW ACCUMULATIONS OF 3 TO 5 INCHES ARE EXPECTED WITH LOCAL
ACCUMULATIONS UP TO 9 INCHES EXPECTED ON HIGHER TERRAIN.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

SVEN
000 
WWUS46 KMFR 201030
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
230 AM PST THU DEC 20 2007

CAZ080-082-083-201700-
/O.CON.KMFR.WS.W.0004.000000T0000Z-071220T1700Z/
WESTERN SISKIYOU COUNTY-SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...ETNA...FORT JONES...GREENVIEW...
MOUNT SHASTA...DUNSMUIR...MCCLOUD...TENNANT
230 AM PST THU DEC 20 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS
MORNING. 

A STRONG PACIFIC WEATHER SYSTEM NEAR THE COAST IS CONTINUING TO
PRODUCE WIDESPREAD PRECIPITATION OVER MOST OF THE AREA EARLY THIS
MORNING. PRECIPITATION WILL BEGIN TO DECREASE LATE THIS MORNING AS 
THE SYSTEM MOVES INLAND. THE SNOW LEVEL WILL LOWER FROM NEAR 3000
FEET TO 1500-2000 FEET THIS MORNING. TOTAL STORM ACCUMULATIONS OF
6 TO 12 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS IN THE
HIGHEST ELEVATIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

ORZ027-028-201800-
/O.CON.KMFR.WS.W.0004.000000T0000Z-071220T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT
230 AM PST THU DEC 20 2007

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

A STRONG PACIFIC WEATHER SYSTEM NEAR THE COAST IS CONTINUING TO
PRODUCE WIDESPREAD PRECIPITATION OVER MOST OF THE AREA EARLY THIS
MORNING. PRECIPITATION WILL BEGIN TO DECREASE LATE THIS MORNING AS 
THE SYSTEM MOVES INLAND. THE SNOW LEVEL WILL LOWER FROM NEAR 3000
FEET TO 1500-2000 FEET THIS MORNING. TOTAL STORM ACCUMULATIONS OF
A FOOT IS EXPECTED WITH LOCALLY HIGHER AMOUNTS IN THE HIGHEST
ELEVATIONS.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW...
SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO
POSSIBLE.  THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

$$

CAZ081-201800-
/O.CON.KMFR.SB.Y.0008.000000T0000Z-071220T1800Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF...YREKA...WEED
230 AM PST THU DEC 20 2007

...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM
PST THIS MORNING ABOVE 2500 FEET...

A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM
PST THIS MORNING. 

A STRONG PACIFIC WEATHER SYSTEM NEAR THE COAST IS CONTINUING TO
PRODUCE WIDESPREAD PRECIPITATION OVER MOST OF THE AREA EARLY THIS
MORNING. PRECIPITATION WILL BEGIN TO DECREASE LATE THIS MORNING AS 
THE SYSTEM MOVES INLAND. TOTAL SNOW ACCUMULATIONS UP TO 6 INCHES
WILL COMBINE WITH SOUTH WINDS OF 15 TO 25 MPH TO PRODUCE POOR
VISIBILITIES AT TIMES.

A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE
LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE
CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS.

$$

ORZ023-201800-
/O.CON.KMFR.SN.Y.0022.000000T0000Z-071220T1800Z/
CENTRAL DOUGLAS COUNTY-
INCLUDING THE CITIES OF...ROSEBURG...SUTHERLIN...GREEN
230 AM PST THU DEC 20 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING
ABOVE 2000 FEET...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

A STRONG PACIFIC WEATHER SYSTEM NEAR THE COAST IS CONTINUING TO
PRODUCE WIDESPREAD PRECIPITATION OVER MOST OF THE AREA EARLY THIS
MORNING. PRECIPITATION WILL BEGIN TO DECREASE LATE THIS MORNING AS 
THE SYSTEM MOVES INLAND. EXPECT ACCUMULATIONS UP TO 3 INCHES.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ORZ025-201800-
/O.CON.KMFR.SN.Y.0022.000000T0000Z-071220T1800Z/
EASTERN DOUGLAS COUNTY FOOTHILLS-
INCLUDING THE CITIES OF...STEAMBOAT...TOKETEE FALLS
230 AM PST THU DEC 20 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING
ABOVE 2000 FEET...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

A STRONG PACIFIC WEATHER SYSTEM NEAR THE COAST IS CONTINUING TO
PRODUCE WIDESPREAD PRECIPITATION OVER MOST OF THE AREA EARLY THIS
MORNING. PRECIPITATION WILL BEGIN TO DECREASE LATE THIS MORNING AS 
THE SYSTEM MOVES INLAND. TOTAL ACCUMULATIONS OF UP TO 5 INCHES
ARE EXPECTED.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

ORZ024-026-201800-
/O.CON.KMFR.SN.Y.0022.000000T0000Z-071220T1800Z/
EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY-
INCLUDING THE CITIES OF...GRANTS PASS...MEDFORD...ASHLAND
230 AM PST THU DEC 20 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING
ABOVE 2000 FEET...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

A STRONG PACIFIC WEATHER SYSTEM NEAR THE COAST IS CONTINUING TO
PRODUCE WIDESPREAD PRECIPITATION OVER MOST OF THE AREA EARLY THIS
MORNING. PRECIPITATION WILL BEGIN TO DECREASE LATE THIS MORNING AS 
THE SYSTEM MOVES INLAND. TOTAL ACCUMULATIONS OF UP TO 3 INCHES
ARE EXPECTED.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CAZ084-ORZ029-201800-
/O.CON.KMFR.SN.Y.0022.000000T0000Z-071220T1800Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-KLAMATH BASIN-
INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTAMONT...
KLAMATH FALLS
230 AM PST THU DEC 20 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

A STRONG PACIFIC WEATHER SYSTEM NEAR THE COAST IS CONTINUING TO
PRODUCE WIDESPREAD PRECIPITATION OVER MOST OF THE AREA EARLY THIS
MORNING. PRECIPITATION WILL BEGIN TO DECREASE LATE THIS MORNING AS 
THE SYSTEM MOVES INLAND. TOTAL ACCUMULATIONS OF 3 TO 5 INCHES ARE
EXPECTED.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

CAZ085-ORZ030-031-201800-
/O.CON.KMFR.SN.Y.0022.000000T0000Z-071220T1800Z/
MODOC COUNTY-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTURAS...BEATTY...BLY...CHEMULT...
CRESCENT...GILCHRIST...SPRAGUE RIVER...LAKEVIEW
230 AM PST THU DEC 20 2007

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. 

A STRONG PACIFIC WEATHER SYSTEM NEAR THE COAST IS CONTINUING TO
PRODUCE WIDESPREAD PRECIPITATION OVER MOST OF THE AREA EARLY THIS
MORNING. PRECIPITATION WILL BEGIN TO DECREASE LATE THIS MORNING AS 
THE SYSTEM MOVES INLAND. TOTAL ACCUMULATIONS OF 3 TO 5 INCHES ARE
EXPECTED. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY
TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND
LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$
RH
000 
WWUS46 KMFR 201644
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
844 AM PST THU DEC 20 2007

...SIGNIFICANT SNOWFALL HAS ENDED...

.INTERMITTENT SNOW SHOWERS AND FLURRIES WILL CONTINUE MAINLY OVER HIGHER
TERRAIN. HOWEVER...SIGNIFICANT ADDITIONAL SNOW ACCUMULATION IS NOT
EXPECTED.

ORZ027-028-201745-
/O.CAN.KMFR.WS.W.0004.000000T0000Z-071220T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT
844 AM PST THU DEC 20 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE WINTER
STORM WARNING. 

INTERMITTENT SNOW SHOWERS WILL PERSIST BUT GENERALLY DECREASE IN
COVERAGE AND INTENSITY THROUGH THE AFTERNOON AS STORM SYSTEM
MOVES EAST.

$$

CAZ080-082-083-201745-
/O.CAN.KMFR.WS.W.0004.000000T0000Z-071220T1700Z/
WESTERN SISKIYOU COUNTY-SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...ETNA...FORT JONES...GREENVIEW...
MOUNT SHASTA...DUNSMUIR...MCCLOUD...TENNANT
844 AM PST THU DEC 20 2007

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE WINTER
STORM WARNING. 

INTERMITTENT SNOW SHOWERS WILL PERSIST BUT GENERALLY DECREASE IN
COVERAGE AND INTENSITY THROUGH THE AFTERNOON AS STORM SYSTEM
MOVES EAST.

$$

CAZ081-201745-
/O.CAN.KMFR.SB.Y.0008.000000T0000Z-071220T1800Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITIES OF...YREKA...WEED
844 AM PST THU DEC 20 2007

...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE SNOW
AND BLOWING SNOW ADVISORY. 

INTERMITTENT SNOW FLURRIES WILL PERSIST BUT GENERALLY DECREASE IN
COVERAGE AND INTENSITY THROUGH THE AFTERNOON AS STORM SYSTEM MOVES
EAST.

$$

CAZ084-085-ORZ023>026-029>031-201745-
/O.CAN.KMFR.SN.Y.0022.000000T0000Z-071220T1800Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-MODOC COUNTY-
CENTRAL DOUGLAS COUNTY-EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-
EASTERN DOUGLAS COUNTY FOOTHILLS-JACKSON COUNTY-KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...TULELAKE...DORRIS...ALTURAS...
ROSEBURG...SUTHERLIN...GREEN...GRANTS PASS...STEAMBOAT...
TOKETEE FALLS...MEDFORD...ASHLAND...ALTAMONT...KLAMATH FALLS...
BEATTY...BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER...
LAKEVIEW
844 AM PST THU DEC 20 2007

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS CANCELLED THE SNOW
ADVISORY. 

INTERMITTENT SNOW SHOWERS WILL PERSIST BUT GENERALLY DECREASE IN
COVERAGE AND INTENSITY THROUGH THE AFTERNOON AS STORM SYSTEM
MOVES EAST.

$$
MWJ

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Medford, OR wrote its last area forecast discussion before this winter storm warning went out at Dec 19, 2:15 AM PST, 17 minutes earlier.

Area forecast discussion, Dec 19, 2:15 AM PST, 17 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR
215 AM PST WED DEC 19 2007

.DISCUSSION...THE LATEST IN A SERIES OF PACIFIC WEATHER SYSTEMS IS
RAPIDLY APPROACHING THE COAST EARLY THIS MORNING AND WILL MOVE
ONSHORE BY LATE MORNING. BOTH THE GFS AND NAM MODELS AGREE THAT
THERE WILL NOT BE A LOT OF PRECIPITATION AHEAD OF OR WITH THE FRONT
ITSELF. THINGS WILL BEGIN TO CHANGE LATE THIS AFTERNOON AND EVENING
AS A STRONG SHORT WAVE APPROACHES THE COAST THEN MOVES ACROSS THE
REGION OVERNIGHT. PRECIPITATION RATES WILL INCREASE BY EARLY EVENING
ESPECIALLY OVER THE OROGRAPHICALLY FAVORED AREAS IN CURRY COUNTY AND
ALSO THE CASCADES. MOST OF WESTERN AND CENTRAL SISKIYOU COUNTY IN
NORTHERN CALIFORNIA WILL ALSO SEE PRECIPITATION INCREASING WEDNESDAY
EVENING AS FAIRLY STRONG UPSLOPE CONDITIONS DEVELOP. SNOW LEVELS IN
GENERAL WILL START OUT AROUND 4000 FEET TODAY BUT AS MUCH COLDER AIR
SPREADS INTO THE REGION TONIGHT THE SNOW LEVEL WILL LOWER TO NEAR
3000 FEET LATE TONIGHT THEN NEAR 2000 FEET THURSDAY MORNING. THE
CASCADES AND THE MOUNTAINS IN WESTERN AND CENTRAL SISKIYOU COUNTY IN
NORTHERN CALIFORNIA SHOULD END UP ACCUMULATING SOME GOOD SNOW
AMOUNTS BY THURSDAY MORNING. THERE IS STILL SOME CONCERN OF
ACCUMULATING SNOW OVER THE LOWER ELEVATIONS OF SOUTHWEST OREGON
MAINLY ABOVE 2000 FEET EARLY THURSDAY MORNING. WILL HAVE TO WAIT AND
SEE WHAT THE 12Z MODEL RUN SHOWS. THE UPPER TROUGH WILL MOVE ACROSS
THE AREA THURSDAY WITH SHOWERS DECREASING BY LATE AFTERNOON AND
EVENING. HIGH PRESSURE WILL TEMPORARILY BUILD OVER THE REGION FRIDAY
PROVIDING A BREAK IN THE PRECIPITATION.

AS FAR AS THE EXTENDED PERIOD...LITTLE CHANGE IN THE UNSETTLED
WEATHER PATTERN WITH SYSTEMS MOVING INLAND ABOUT EVERY 36 HOURS.

&&

.AVIATION...GENERALLY VFR CONDITIONS TO BEGIN WITH EARLY THIS
MORNING THEN AREAS OF MVFR CONDITIONS DEVELOPING BY LATE MORNING AS
THE COLD FRONT MOVES ONSHORE.

&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...SNOW ADVISORY FROM 6 PM THIS EVENING TO 9 AM PST THURSDAY FOR
ORZ027-ORZ028.

CA...WINTER STORM WARNING FROM 6 PM THIS EVENING TO 9 AM PST
THURSDAY FOR CAZ080-CAZ082-CAZ083.

PACIFIC COASTAL WATERS...GALE WARNING UNTIL 4 PM PST THIS AFTERNOON
FOR PZZ350-PZZ356.
HAZARDOUS SEAS WARNING UNTIL 10 AM PST FRIDAY FOR PZZ350-PZZ356-
PZZ370-PZZ376.
GALE WARNING UNTIL 1 PM PST THIS AFTERNOON FOR PZZ370-PZZ376.

RH
Hazardous weather outlook, Dec 18, 10:45 AM PST, 15 hours 47 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEDFORD OR
1045 AM PST TUE DEC 18 2007

ORZ021-022-191400-
CURRY COUNTY COAST-SOUTH CENTRAL OREGON COAST-
1045 AM PST TUE DEC 18 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...TODAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY

A HIGH WIND WATCH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...SEE PRODUCT FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

ORZ027-028-191400-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
SOUTH CENTRAL OREGON CASCADES-
1045 AM PST TUE DEC 18 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...TODAY

A SNOW AND BLOWING SNOW ADVISORY IS IN EFFECT THROUGH 4PM THIS
AFTERNOON...SEE PRODUCT FOR DETAILS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

CAZ080-081-083-191400-
CENTRAL SISKIYOU COUNTY-NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
WESTERN SISKIYOU COUNTY-
1045 AM PST TUE DEC 18 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...TODAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY

ANOTHER SYSTEM WILL APPROACH THE AREA WEDNESDAY AND BRING ADDITIONAL
SNOW TO THE AREA...A WINTER STORM WATCH IS IN EFFECT FROM WEDNESDAY
MORNING THROUGH THURSDAY MORNING...SEE PRODUCT FOR DETAILS

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

CAZ082-191400-
SOUTH CENTRAL SISKIYOU COUNTY-
1045 AM PST TUE DEC 18 2007

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHERN OREGON AND NORTHERN
CALIFORNIA

.DAY ONE...TODAY

SNOW ADVISORY REMAINS IN EFFECT THROUGH 4PM THIS AFTERNOON ABOVE
4000 FEET...SEE PRODUCT FOR DETAILS

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH TUESDAY

WINTER STORM WATCH IS IN EFFECT FROM WEDNESDAY MORNING THROUGH
THURSDAY MORNING...SEE PRODUCT FOR DETAILS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

BUNKER

The office that day

Everything else NWS Medford, OR issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 19, 2:32 AM PSTSnow AdvisoryMFRDouglas, Jackson, Josephine, Klamath11 hr
Dec 19, 1:51 PM PSTSnow AdvisoryMFRCoos, Curry, Douglas, Jackson, Josephine, Klamath and 1 more19 hr
Dec 19, 3:56 PM PSTRiver Flood WatchMFRCoos, Curry, Douglas19 hr
Dec 19, 1:51 PM PSTSnow and Blowing Snow AdvisoryMFRSiskiyou19 hr

Nearby

Winter Storm Warnings in Oregon, 2007Winter Storm Warnings in California, 2007Every winter storm warning in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.