Alert archive / Oregon / Winter Storm Warnings in 2010

Winter Storm Warning 21, NWS Medford, OR

November 30, 2010Siskiyou County, California; 5 counties in Oregon

NWS Medford, OR issued this winter storm warning at Nov 30, 2010, 4:08 AM PST for Siskiyou County, California; 5 counties in Oregon. It took effect at Nov 30, 2010, 10:00 AM PST. It was in force for 24 hr. 3 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
Nov 30, 2010, 4:08 AM PST (12:08 UTC)
In effect from
Nov 30, 2010, 10:00 AM PST
Expired
Dec 1, 2010, 10:00 AM PST
In force
24 hr
Issued by
NWS Medford, OR

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

The radar

The Medford radar (KMAX), 58 km from the middle of the area, began a volume at 12:12 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 1, 6:04 AM PSTSNOW 1.51 Ssw Keno, ORTOTAL ACCUMULATION SINCE TUESDAY EVENING.
Dec 1, 8:47 AM PSTHEAVY SNOW 4.510 Sse Sprague River, OR7PM TO 7AM
Dec 1, 8:47 AM PSTHEAVY SNOW 4.55 Sw Medford, OR7PM TO 7AM

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 12:00Z, 0.1 hours before the alert went out and 42 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 12:00Z on 2010-11-30Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Medford/Jackson, OR at 12:00Z on 2010-11-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 238 square meters per square second.19395878Sfc1 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
1492 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
238 m²/s²
0-3 km storm-relative helicity
460 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

010 
WWUS46 KMFR 301208
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
408 AM PST TUE NOV 30 2010


ORZ027-028-302015-
/O.NEW.KMFR.WS.W.0021.101130T1800Z-101201T1800Z/
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
408 AM PST TUE NOV 30 2010

...WINTER STORM WARNING IN EFFECT FROM 10 AM THIS MORNING TO
10 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 10 AM THIS
MORNING TO 10 AM PST WEDNESDAY.


* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 8 TO 16 INCHES. MOST OF
  THE SIGNIFICANT ACCUMULATION WILL BE ABOVE 4500 FEET.

* ELEVATION: ABOVE 4500 FEET.  

* TIMING: WET SNOW DEVELOPS BY MID MORNING...THEN WILL BECOME
  MODERATE TO HEAVY AT TIMES LATE THIS AFTERNOON INTO EARLY
  WEDNESDAY MORNING BEFORE DECREASING. 

* LOCATIONS INCLUDE: CRATER LAKE...CRESCENT LAKE...DIAMOND 
  LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT

* WINDS: WEST WIND 10 TO 20 MPH. 

* IMPACTS: HIGHWAY 140 AND STATE ROUTE 62 WILL BE IMPACTED THE
  MOST. ROAD SNOW IS ALSO EXPECTED ALONG HIGHWAY 66 AND INTERSTATE
  5...BUT SNOW ACCUMULATIONS WILL BE LESS AND ROAD SNOW IS NOT
  EXPECTED IN THESE AREAS UNTIL AFTER 4 PM PST.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

ORZ029-030-302015-
/O.NEW.KMFR.WS.W.0021.101130T1800Z-101201T1800Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS...BEATTY...
BLY...CHEMULT...CRESCENT...GILCHRIST...SPRAGUE RIVER
408 AM PST TUE NOV 30 2010

...WINTER STORM WARNING IN EFFECT FROM 10 AM THIS MORNING TO
10 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 10 AM THIS
MORNING TO 10 AM PST WEDNESDAY.



* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 3 TO 8 INCHES. MOST OF
  THE ACCUMULATING SNOW WILL BE FROM CHILOQUIN NORTH UP TO
  CHEMULT. SNOW WILL ACCUMULATE 1 TO 3 INCHES BETWEEN KLAMATH FALLS
  AND SOUTH OF CHILOQUIN ON HIGHWAY 97.

* ELEVATION: SNOW LEVEL START OUT AROUND 4500 FEET...THEN LOWERING
  TO 4000 FEET TONIGHT. 

* TIMING: WET SNOW DEVELOPS LATE THIS MORNING...THEN WILL BECOME
  MODERATE TO HEAVY AT TIMES LATE THIS AFTERNOON THROUGH EARLY
  WEDNESDAY MORNING. SNOW WILL DECREASE BY MID MORNING WEDNESDAY. 

* LOCATIONS INCLUDE: BEATTY...BLY...CHEMULT...CRESCENT...
  GILCHRIST...SPRAGUE RIVER...ALTAMONT...KLAMATH FALLS

* WINDS: WEST WIND 15 TO 25 MPH IS EXPECTED THIS AFTERNOON AND
  TONIGHT. 

* IMPACTS: MOST OF THE ACCUMULATING ROAD SNOW WILL BE ON US
  HIGHWAY 97 BETWEEN CHILOQUIN AND CHEMULT. WINDS WILL CAUSE
  VISIBILITY TO BE REDUCED AT TIMES THIS AFTERNOON AND TONIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ082-083-302015-
/O.NEW.KMFR.WS.W.0021.101201T0000Z-101201T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITIES OF...MOUNT SHASTA...DUNSMUIR...MCCLOUD...
TENNANT
408 AM PST TUE NOV 30 2010

...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 AM PST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST WEDNESDAY.


* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 5 TO 10 INCHES FROM
  LATE THIS AFTERNOON THROUGH WEDNESDAY MORNING. 


* ELEVATION: 4500 FEET. 

* TIMING: WET SNOW BEGINS EARLY THIS AFTERNOON....THEN BECOMING
  MODERATE AT TIMES TONIGHT THROUGH WEDNESDAY MORNING. MODERATE TO
  HEAVY SNOW IS POSSIBLE INTO WEDNESDAY AFTERNOON. 

* LOCATIONS INCLUDE: MOUNT SHASTA...DUNSMUIR...MCCLOUD...TENNANT

* WINDS: SOUTH WINDS 10 TO 20 MPH IS EXPECTED LATE THIS MORNING
  THROUGH THIS EVENING. 

* IMPACTS: US 97...STATE HIGHWAY 89 AND INTERSTATE 5 WILL BE
  IMPACTED THE MOST WITH SNOW BEGINNING TO ACCUMULATE AFTER DARK.
  VISIBILITIES WILL BE REDUCED AT TIMES TONIGHT. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ080-302015-
/O.NEW.KMFR.WS.W.0021.101201T0000Z-101201T1800Z/
WESTERN SISKIYOU COUNTY-
408 AM PST TUE NOV 30 2010

...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO
10 AM PST WEDNESDAY ABOVE 4500 FEET...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER STORM
WARNING ABOVE 4500 FEET FOR HEAVY SNOW...WHICH IS IN EFFECT FROM
4 PM THIS AFTERNOON TO 10 AM PST WEDNESDAY.


* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 5 TO 13 INCHES MAINLY
  ABOVE 4500 FEET.

* ELEVATION: ABOVE 4500 FEET.

* TIMING: WET SNOW ARRIVES EARLY THIS AFTERNOON...THEN BECOMING
  MODERATE TO HEAVY TONIGHT THROUGH WEDNESDAY MORNING. MODERATE
  SNOW COULD CONTINUE INTO WEDNESDAY AFTERNOON. 

* LOCATIONS INCLUDE: STATE ROUTE 3 SOUTH OF CALLAHAN. THE SALMON
  AND MARBLE MOUNTAINS.  

* WINDS: SOUTH TO SOUTHWEST WINDS 15 TO 25 MPH THIS AFTERNOON AND
  TONIGHT. 

* IMPACTS:STATE HIGHWAY 3 WILL IMPACTED BY SNOW. BLOWING SNOW MAY
  REDUCE VISIBILITY AT TIMES. 


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF SNOW
ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

PETRUCELLI
4 follow-up statements
833 
WWUS46 KMFR 301420
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
620 AM PST TUE NOV 30 2010

ORZ029-030-302330-
/O.CON.KMFR.WS.W.0021.101130T1800Z-101201T1800Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
INCLUDING THE CITIES OF...CHEMULT...CRESCENT
620 AM PST TUE NOV 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 AM PST WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE TO 3 TO 8 INCHES. MOST
  OF THE ACCUMULATING SNOW WILL BE FROM CHILOQUIN NORTH TO CHEMULT.
  SNOW WILL ACCUMULATE 1 TO 3 INCHES BETWEEN KLAMATH FALLS AND
  SOUTH OF CHILOQUIN ON HIGHWAY 97.

* ELEVATION: SNOW LEVEL START OUT AROUND 4500 FEET...THEN
  LOWERING TO 4000 FEET TONIGHT. 

* TIMING: WET SNOW WITH PATCHY FREEZING RAIN OR SLEET DEVELOPS
  THIS MORNING. MODERATE TO HEAVY IS EXPECTED AT TIMES LATE THIS
  AFTERNOON THROUGH EARLY WEDNESDAY MORNING. SNOW WILL DECREASE BY
  MID MORNING WEDNESDAY.

* LOCATIONS INCLUDE: BEATTY...BLY...CHEMULT...CRESCENT... 
  GILCHRIST...SPRAGUE RIVER...ALTAMONT...KLAMATH FALLS

* WINDS: WEST WIND 15 TO 25 MPH IS EXPECTED THIS AFTERNOON AND 
  TONIGHT.

* IMPACTS: MOST OF THE ACCUMULATING ROAD SNOW WILL BE ON US 
  HIGHWAY 97 BETWEEN CHILOQUIN AND CHEMULT. WINDS WILL CAUSE 
  VISIBILITY TO BE REDUCED AT TIMES THIS AFTERNOON AND TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ083-302330-
/O.CON.KMFR.WS.W.0021.101201T0000Z-101201T1800Z/
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
620 AM PST TUE NOV 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 10 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE TO 5 TO 10 INCHES FROM 
  LATE THIS AFTERNOON THROUGH WEDNESDAY MORNING.

* TIMING: WET SNOW BEGINS EARLY THIS AFTERNOON....THEN BECOMING
  MODERATE AT TIMES TONIGHT THROUGH WEDNESDAY MORNING. MODERATE
  TO HEAVY SNOW IS POSSIBLE INTO WEDNESDAY AFTERNOON.

* LOCATIONS INCLUDE: TENNANT

* WINDS: SOUTH WINDS 10 TO 20 MPH ARE EXPECTED LATE THIS MORNING
  THROUGH THIS EVENING.

* IMPACTS: US 97 WILL BE IMPACTED THE MOST WITH SNOW BEGINNING TO
  ACCUMULATE AFTER DARK. VISIBILITIES WILL BE REDUCED AT TIMES
  TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ082-302330-
/O.CON.KMFR.WS.W.0021.101201T0000Z-101201T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...MOUNT SHASTA
620 AM PST TUE NOV 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST WEDNESDAY ABOVE 3500 FEET...

A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT FROM
4 PM THIS AFTERNOON TO 10 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 5 TO 10 INCHES FROM 
  LATE THIS AFTERNOON THROUGH WEDNESDAY MORNING.

* ELEVATION: ABOVE 3500 FEET.

* TIMING: WET SNOW BEGINS EARLY THIS AFTERNOON....THEN BECOMING 
  MODERATE AT TIMES TONIGHT THROUGH WEDNESDAY MORNING. 
  MODERATE TO HEAVY SNOW IS POSSIBLE INTO WEDNESDAY AFTERNOON. 

* LOCATIONS INCLUDE: MOUNT SHASTA...SNOWMAN SUMMIT...BLACK BUTTE
  SUMMIT.

* WINDS: SOUTH WINDS 10 TO 20 MPH ARE EXPECTED LATE THIS MORNING
  THROUGH THIS EVENING.

* IMPACTS: STATE HIGHWAY 89 AND INTERSTATE 5 WILL BE IMPACTED THE
  MOST WITH SNOW BEGINNING TO ACCUMULATE AFTER DARK. VISIBILITIES
  WILL BE REDUCED AT TIMES TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

ORZ027-028-302330-
/O.CON.KMFR.WS.W.0021.101130T1800Z-101201T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...HOWARD PRAIRIE
620 AM PST TUE NOV 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING
TO 10 AM PST WEDNESDAY ABOVE 4500 FEET...

A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT FROM
10 AM THIS MORNING TO 10 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 8 TO 16 INCHES. PATCHY
  FREEZING RAIN OR SLEET MAY OCCUR THIS MORNING.

* ELEVATION: ABOVE 4500 FEET.

* TIMING: WET SNOW DEVELOPS BY MID MORNING...THEN WILL BECOME 
  MODERATE TO HEAVY AT TIMES LATE THIS AFTERNOON INTO EARLY 
  WEDNESDAY MORNING BEFORE DECREASING.

* LOCATIONS INCLUDE: CRATER LAKE...CRESCENT LAKE...DIAMOND 
  LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT

* WINDS: WEST WIND 10 TO 20 MPH.

* IMPACTS: HIGHWAY 140 AND STATE ROUTE 62 WILL BE IMPACTED THE
  MOST. SNOW IS ALSO EXPECTED ALONG HIGHWAY 66 AND INTERSTATE 5 AT
  SISKIYOU SUMMIT...BUT SNOW ACCUMULATIONS WILL BE LESS AND
  SIGNIFICANT ACCUMULATIONS ARE NOT EXPECTED IN THESE AREAS UNTIL
  AFTER 4 PM PST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ080-302330-
/O.CON.KMFR.WS.W.0021.101201T0000Z-101201T1800Z/
WESTERN SISKIYOU COUNTY-
620 AM PST TUE NOV 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST WEDNESDAY ABOVE 4500 FEET...

A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT FROM
4 PM THIS AFTERNOON TO 10 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 5 TO 13 INCHES 
  MAINLY ABOVE 4500 FEET. 

* ELEVATION: ABOVE 4500 FEET.

* TIMING: WET SNOW ARRIVES EARLY THIS AFTERNOON...THEN BECOMING 
  MODERATE TO HEAVY TONIGHT THROUGH WEDNESDAY MORNING. 
  MODERATE SNOW COULD CONTINUE INTO WEDNESDAY AFTERNOON.

* LOCATIONS INCLUDE: STATE ROUTE 3 SOUTH OF CALLAHAN. THE 
  SALMON AND MARBLE MOUNTAINS. 

* WINDS: SOUTH TO SOUTHWEST WINDS 15 TO 25 MPH THIS AFTERNOON 
  AND TONIGHT. 

* IMPACTS:STATE HIGHWAY 3 WILL IMPACTED BY SNOW. BLOWING SNOW MAY
  REDUCE VISIBILITY AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

PETRUCELLI/STAVISH
417 
WWUS46 KMFR 302051
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
ISSUED BY NATIONAL WEATHER SERVICE EUREKA CA
1251 PM PST TUE NOV 30 2010

ORZ029-030-011300-
/O.CON.KMFR.WS.W.0021.000000T0000Z-101201T1800Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
INCLUDING THE CITIES OF...CHEMULT...CRESCENT
1251 PM PST TUE NOV 30 2010

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

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

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE TO 3 TO 8 INCHES. 
  MOST OF THE ACCUMULATING SNOW WILL BE FROM CHILOQUIN NORTH TO 
  CHEMULT. SNOW WILL ACCUMULATE 1 TO 3 INCHES BETWEEN KLAMATH 
  FALLS AND SOUTH OF CHILOQUIN ON HIGHWAY 97. 

* ELEVATION: SNOW LEVEL START OUT AROUND 4500 FEET...THEN 
  LOWERING TO 4000 FEET TONIGHT.

* TIMING: WET SNOW WITH PATCHY FREEZING RAIN OR SLEET DEVELOPS 
  THIS MORNING. MODERATE TO HEAVY IS EXPECTED AT TIMES LATE 
  THIS AFTERNOON THROUGH EARLY WEDNESDAY MORNING. SNOW WILL 
  DECREASE BY MID MORNING WEDNESDAY. 

* LOCATIONS INCLUDE: BEATTY...BLY...CHEMULT...CRESCENT... 
  GILCHRIST...SPRAGUE RIVER...ALTAMONT...KLAMATH FALLS

* WINDS: WEST WIND 15 TO 25 MPH IS EXPECTED THIS AFTERNOON AND 
  TONIGHT.

* IMPACTS: MOST OF THE ACCUMULATING ROAD SNOW WILL BE ON US 
  HIGHWAY 97 BETWEEN CHILOQUIN AND CHEMULT. WINDS WILL CAUSE 
  VISIBILITY TO BE REDUCED AT TIMES THIS AFTERNOON AND TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ083-011300-
/O.CON.KMFR.WS.W.0021.101201T0000Z-101201T1800Z/
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
1251 PM PST TUE NOV 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON
TO 10 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE TO 5 TO 10 INCHES 
  FROMLATE THIS AFTERNOON THROUGH WEDNESDAY MORNING. 

* TIMING: WET SNOW BEGINS EARLY THIS AFTERNOON....THEN BECOMING 
  MODERATE AT TIMES TONIGHT THROUGH WEDNESDAY MORNING. 
  MODERATE TO HEAVY SNOW IS POSSIBLE INTO WEDNESDAY AFTERNOON.

* LOCATIONS INCLUDE: TENNANT

* WINDS: SOUTH WINDS 10 TO 20 MPH ARE EXPECTED LATE THIS 
  MORNING THROUGH THIS EVENING. 

* IMPACTS: US 97 WILL BE IMPACTED THE MOST WITH SNOW BEGINNING 
  TOACCUMULATE AFTER DARK. VISIBILITIES WILL BE REDUCED AT 
  TIMES TONIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ082-011300-
/O.CON.KMFR.WS.W.0021.101201T0000Z-101201T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...MOUNT SHASTA
1251 PM PST TUE NOV 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST WEDNESDAY ABOVE 3500 FEET...

A WINTER STORM WARNING ABOVE 3500 FEET REMAINS IN EFFECT FROM
4 PM THIS AFTERNOON TO 10 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 5 TO 10 INCHES FROM 
  LATE THIS AFTERNOON THROUGH WEDNESDAY MORNING.

* ELEVATION: ABOVE 3500 FEET.

* TIMING: WET SNOW BEGINS EARLY THIS AFTERNOON....THEN BECOMING 
  MODERATE AT TIMES TONIGHT THROUGH WEDNESDAY MORNING. 
  MODERATE TO HEAVY SNOW IS POSSIBLE INTO WEDNESDAY AFTERNOON.

* LOCATIONS INCLUDE: MOUNT SHASTA...SNOWMAN SUMMIT...BLACK 
  BUTTE SUMMIT. 

* WINDS: SOUTH WINDS 10 TO 20 MPH ARE EXPECTED LATE THIS 
  MORNING THROUGH THIS EVENING. 

* IMPACTS: STATE HIGHWAY 89 AND INTERSTATE 5 WILL BE IMPACTED 
  THEMOST WITH SNOW BEGINNING TO ACCUMULATE AFTER DARK. 
  VISIBILITIES WILL BE REDUCED AT TIMES TONIGHT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ080-011300-
/O.CON.KMFR.WS.W.0021.101201T0000Z-101201T1800Z/
WESTERN SISKIYOU COUNTY-
1251 PM PST TUE NOV 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 PM THIS
AFTERNOON TO 10 AM PST WEDNESDAY ABOVE 4500 FEET...

A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT FROM
4 PM THIS AFTERNOON TO 10 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 5 TO 13 INCHES 
  MAINLY ABOVE 4500 FEET.

* ELEVATION: ABOVE 4500 FEET.

* TIMING: WET SNOW ARRIVES EARLY THIS AFTERNOON...THEN BECOMING 
  MODERATE TO HEAVY TONIGHT THROUGH WEDNESDAY MORNING. 
  MODERATE SNOW COULD CONTINUE INTO WEDNESDAY AFTERNOON.

* LOCATIONS INCLUDE: STATE ROUTE 3 SOUTH OF CALLAHAN. THE 
  SALMON AND MARBLE MOUNTAINS.

* WINDS: SOUTH TO SOUTHWEST WINDS 15 TO 25 MPH THIS AFTERNOON 
  AND TONIGHT.

* IMPACTS:STATE HIGHWAY 3 WILL IMPACTED BY SNOW. BLOWING SNOW 
  MAYREDUCE VISIBILITY AT TIMES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

ORZ027-028-011300-
/O.CON.KMFR.WS.W.0021.000000T0000Z-101201T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...HOWARD PRAIRIE
1251 PM PST TUE NOV 30 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST
WEDNESDAY ABOVE 4500 FEET...

A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL
10 AM PST WEDNESDAY. 

* SNOW ACCUMULATIONS: SNOW WILL ACCUMULATE 8 TO 16 INCHES. 
  PATCHYFREEZING RAIN OR SLEET MAY OCCUR THIS MORNING. 

* ELEVATION: ABOVE 4500 FEET.

* TIMING: WET SNOW DEVELOPS BY MID MORNING...THEN WILL BECOME 
  MODERATE TO HEAVY AT TIMES LATE THIS AFTERNOON INTO EARLY 
  WEDNESDAY MORNING BEFORE DECREASING.

* LOCATIONS INCLUDE: CRATER LAKE...CRESCENT LAKE...DIAMOND 
  LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT

* WINDS: WEST WIND 10 TO 20 MPH.

* IMPACTS: HIGHWAY 140 AND STATE ROUTE 62 WILL BE IMPACTED THE 
  MOST. SNOW IS ALSO EXPECTED ALONG HIGHWAY 66 AND INTERSTATE 
  5 AT SISKIYOU SUMMIT...BUT SNOW ACCUMULATIONS WILL BE LESS 
  AND SIGNIFICANT ACCUMULATIONS ARE NOT EXPECTED IN THESE 
  AREAS UNTIL AFTER 4 PM PST.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

TONKIN (EKA)
846 
WWUS46 KMFR 011144
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
344 AM PST WED DEC 1 2010

CAZ082-083-011245-
/O.CAN.KMFR.WS.W.0021.000000T0000Z-101201T1800Z/
SOUTH CENTRAL SISKIYOU COUNTY-
NORTH CENTRAL AND SOUTHEAST SISKIYOU COUNTY-
INCLUDING THE CITY OF...MOUNT SHASTA
344 AM PST WED DEC 1 2010

...WINTER STORM WARNING IS CANCELLED...

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

THE HIGHER SNOWFALL RATES HAVE REMAINED NORTH OF THE REGION. SNOW
WILL OCCUR THROUGH THE MORNING...BUT ACCUMULATIONS ARE NOT
EXPECTED BE PROBLEMATIC. 

$$

ORZ029-030-011800-
/O.CON.KMFR.WS.W.0021.000000T0000Z-101201T1800Z/
KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
INCLUDING THE CITIES OF...CHEMULT...CRESCENT
344 AM PST WED DEC 1 2010

...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. 

* SNOW ACCUMULATIONS: ADDITIONAL SNOW ACCUMULATION UP TO 2 INCHES
  IS EXPECTED THROUGH 10 AM.

* LOCATIONS INCLUDE: BEATTY...BLY...CHEMULT...CRESCENT... 
  GILCHRIST...SPRAGUE RIVER...ALTAMONT...KLAMATH FALLS

* WINDS: SOUTH TO SOUTHEAST WINDS OF 5 TO 10 MPH.

* IMPACTS: ICY AND SNOW PACKED ROADS. THE HIGHEST IMPACT OF THE
  SNOWFALL IS EXPECTED TO BE ON HIGHWAYS 140 AND 97 NORTH AND EAST
  OF KLAMATH FALLS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ080-011800-
/O.CON.KMFR.WS.W.0021.000000T0000Z-101201T1800Z/
WESTERN SISKIYOU COUNTY-
INCLUDING THE CITY OF...ETNA
344 AM PST WED DEC 1 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 3000 FEET...

A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL
10 AM PST THIS MORNING. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATION UP TO 4 INCHES
  THROUGH 10 AM.

* ELEVATION: ABOVE 3000 FEET. SOME LIGHT SNOW MAY FALL AS LOW AS
  2000 FEET.

* LOCATIONS INCLUDE: ETNA...CALLAHAN...HIGHWAY 3...THE SALMON AND
  MARBLE MOUNTAINS. HIGHER ELEVATIONS ADJACENT TO HIGHWAY 96.

* WINDS: SOUTH TO SOUTHWEST WINDS 5 TO 15 MPH.

* IMPACTS: HIGHWAY 3 WILL IMPACTED BY SNOW. BLOWING SNOW MAY REDUCE
  VISIBILITY AT TIMES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

ORZ027-028-011800-
/O.CON.KMFR.WS.W.0021.000000T0000Z-101201T1800Z/
SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-
INCLUDING THE CITIES OF...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...HOWARD PRAIRIE
344 AM PST WED DEC 1 2010

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING ABOVE 4500 FEET...

A WINTER STORM WARNING ABOVE 4500 FEET REMAINS IN EFFECT UNTIL
10 AM PST THIS MORNING. 

* SNOW ACCUMULATIONS: ADDITIONAL ACCUMULATIONS UP TO 4 INCHES IN
  THE SISKIYOUS AND UP TO 2 INCHES IN THE CASCADES AROUND CRATER
  LAKE THROUGH 10 AM.

* ELEVATION: ABOVE 4500 FEET.

* LOCATIONS INCLUDE: CRATER LAKE...CRESCENT LAKE...DIAMOND 
  LAKE...UNION CREEK...HOWARD PRAIRIE...SISKIYOU SUMMIT

* WINDS: SOUTH TO SOUTHWEST WIND 10 TO 20 MPH.

* IMPACTS: HIGHWAYS 140 AND 62 WILL BE IMPACTED THE MOST. SNOW IS
  ALSO EXPECTED ALONG HIGHWAY 66 AND INTERSTATE 5 AT SISKIYOU
  SUMMIT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER
CONDITIONS ARE EXPECTED OR OCCURRING.  SIGNIFICANT AMOUNTS OF
SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. IF YOU MUST
TRAVEL...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR
VEHICLE IN CASE OF AN EMERGENCY.

&&

$$

CAZ081-011800-
/O.NEW.KMFR.WW.Y.0067.101201T1144Z-101201T1800Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...WEED
344 AM PST WED DEC 1 2010

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING
ABOVE 3000 FEET...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A WINTER
WEATHER ADVISORY ABOVE 3000 FEET FOR SNOW...WHICH IS IN EFFECT
UNTIL 10 AM PST THIS MORNING.

* SNOW ACCUMULATIONS: 1 TO 2 MORE ADDITIONAL INCHES THIS MORNING.

* ELEVATION: ABOVE 3000 FEET. SNOW MAY FALL BRIEFLY TO VALLEY
  FLOORS.

* LOCATIONS INCLUDE: HILT

* WINDS: SOUTH WINDS 5 TO 15 MPH.

* IMPACTS: HAZARDOUS DRIVING CONDITIONS ON I-5. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

STAVISH
081 
WWUS46 KMFR 011802
WSWMFR

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
1002 AM PST WED DEC 1 2010


CAZ080-ORZ027>030-011915-
/O.EXP.KMFR.WS.W.0021.000000T0000Z-101201T1800Z/
WESTERN SISKIYOU COUNTY-SOUTH CENTRAL OREGON CASCADES-
SISKIYOU MOUNTAINS AND SOUTHERN OREGON CASCADES-KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ETNA...CRATER LAKE...CRESCENT LAKE...
DIAMOND LAKE...HOWARD PRAIRIE...CHEMULT...CRESCENT
1002 AM PST WED DEC 1 2010

...WINTER STORM WARNING HAS EXPIRED...

THE WINTER STORM WARNING IS NO LONGER IN EFFECT. 



$$

CAZ081-011915-
/O.EXP.KMFR.WW.Y.0067.000000T0000Z-101201T1800Z/
CENTRAL SISKIYOU COUNTY-
INCLUDING THE CITY OF...WEED
1002 AM PST WED DEC 1 2010

...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Nov 30, 4:12 AM PSTHigh Wind WarningMFRCoos, Curry, Douglas11 hr

Nearby

Winter Storm Warnings in Oregon, 2010Winter Storm Warnings in California, 2010Every winter storm warning in 2010

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.