Alert archive / Oregon / Freeze Warnings in 2011

Freeze Warning 2, NWS Medford, OR

January 3, 2011Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this freeze warning at Jan 3, 2011, 1:32 PM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Jan 3, 2011, 10:00 PM PST. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 3, 2011, 1:32 PM PST (21:32 UTC)
In effect from
Jan 3, 2011, 10:00 PM PST
Expired
Jan 4, 2011, 9:00 AM PST
In force
11 hr
Issued by
NWS Medford, OR

Counties Coos County, OR, Curry County, OR, Douglas County, OR

The radar

The Medford radar (KMAX), 135 km from the middle of the area, began a volume at 21:38 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 12:00Z, 9.5 hours before the alert went out and 108 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 2011-01-03Temperature 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 12:00Z on 2011-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -4 square meters per square second.1939Sfc1 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
778 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-4 m²/s²
0-3 km storm-relative helicity
8 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.

498 
WWUS76 KMFR 032132
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
132 PM PST MON JAN 3 2011

ORZ021-041700-
/O.UPG.KMFR.FZ.A.0001.110104T0600Z-110104T1700Z/
/O.NEW.KMFR.FZ.W.0002.110104T0600Z-110104T1700Z/
SOUTH CENTRAL OREGON COAST-
INCLUDING THE CITIES OF...COOS BAY...NORTH BEND...REEDSPORT...
COQUILLE
132 PM PST MON JAN 3 2011

...FREEZE WARNING IN EFFECT FROM 10 PM THIS EVENING TO 9 AM PST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FREEZE
WARNING...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM PST
TUESDAY. THE FREEZE WATCH IS NO LONGER IN EFFECT. 


* TEMPERATURE: TEMPERATURES WILL LIKELY FALL BETWEEN 28 AND 32
  DEGREES AGAIN LATE TONIGHT AND EARLY TUESDAY MORNING.

* IMPACTS: VEGETATION THAT IS VULNERABLE TO FREEZING TEMPERATURES
  WILL BE KILLED. INLAND ROADS MAY SEE SOME FROZEN ROAD SURFACES
  BY MORNING...WHICH MAY LINGER INTO MID TO LATE MORNING ON SHADED
  ROAD SURFACES IN INLAND VALLEYS. FREEZING OF EXPOSED WATER PIPES
  ARE ALSO POSSIBLE.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ORZ022-041700-
/O.NEW.KMFR.FR.Y.0002.110104T0600Z-110104T1700Z/
CURRY COUNTY COAST-
INCLUDING THE CITIES OF...BROOKINGS...HARBOR...GOLD BEACH
132 PM PST MON JAN 3 2011

...FROST ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 9 AM PST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A FROST
ADVISORY...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 9 AM PST
TUESDAY. 


* TEMPERATURE: LOW TEMPERATURES WILL FALL BETWEEN 33 AND 36
  DEGREES TONIGHT. 

* IMPACTS: INLAND ROADS MAY SEE SOME FROZEN ROAD SURFACES BY
  MORNING...WHICH MAY LINGER INTO MID TO LATE MORNING ON SHADED
  ROAD SURFACES IN INLAND VALLEYS.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

ORZ023-024-026-029>031-041800-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
CENTRAL DOUGLAS COUNTY-EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-
JACKSON COUNTY-KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ROSEBURG...SUTHERLIN...GREEN...
GRANTS PASS...MEDFORD...ASHLAND...ALTAMONT...KLAMATH FALLS...
BEATTY...BLY...SPRAGUE RIVER
132 PM PST MON JAN 3 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
UPDATES ON THIS SITUATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

&&

$$

PETRUCELLI
4 follow-up statements
800 
WWUS76 KMFR 040451
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
851 PM PST MON JAN 3 2011

ORZ021-041700-
/O.CON.KMFR.FZ.W.0002.110104T0600Z-110104T1700Z/
SOUTH CENTRAL OREGON COAST-
INCLUDING THE CITIES OF...COOS BAY...NORTH BEND...REEDSPORT...
COQUILLE
851 PM PST MON JAN 3 2011

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST TUESDAY...

A FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST TUESDAY. 

* TEMPERATURE: TEMPERATURES WILL LIKELY FALL BETWEEN 28 AND 32 
  DEGREES AGAIN LATE TONIGHT AND EARLY TUESDAY MORNING. 

* IMPACTS: VEGETATION THAT IS VULNERABLE TO FREEZING 
  TEMPERATURES WILL BE KILLED. INLAND ROADS MAY SEE SOME FROZEN 
  ROAD SURFACES BY MORNING...WHICH MAY LINGER INTO MID TO LATE 
  MORNING ON SHADED ROAD SURFACES IN INLAND VALLEYS. FREEZING OF 
  EXPOSED WATER PIPES ARE ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ORZ024-026-041700-
/O.NEW.KMFR.FG.Y.0002.110104T0500Z-110104T1600Z/
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY-
INCLUDING THE CITIES OF...GRANTS PASS...MEDFORD...ASHLAND
851 PM PST MON JAN 3 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM PST TUESDAY. AN AIR
STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* VISIBILITY: VISIBILITY WILL DROP TO LESS THAN A QUARTER MILE
  OVERNIGHT AND EARLY TUESDAY MORNING.

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE
  AREA. WITH DENSE FOG OVERNIGHT...DRIVERS WILL EXPERIENCE POOR
  VISIBILITY. IN ADDITION TEMPERATURES WILL BE BELOW FREEZING AND
  ROADWAYS COULD BE SLIPPERY...ESPECIALLY ON BRIDGES AND
  OVERPASSES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW
DOWN...USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF
YOU. 

&&

$$

ORZ029-041700-
/O.NEW.KMFR.FG.Y.0002.110104T0500Z-110104T1600Z/
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
KLAMATH BASIN-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS
851 PM PST MON JAN 3 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM PST TUESDAY. AN AIR
STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. WITH DENSE FOG OVERNIGHT...DRIVERS WILL EXPERIENCE POOR
  VISIBILITY. IN ADDITION TEMPERATURES WILL BE BELOW FREEZING AND
  ROADWAYS COULD BE SLIPPERY...ESPECIALLY ON BRIDGES AND
  OVERPASSES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
UPDATES ON THIS SITUATION.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW
DOWN...USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF
YOU.

&&

$$

CAZ084-041600-
/O.NEW.KMFR.FG.Y.0002.110104T0500Z-110104T1600Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-
INCLUDING THE CITIES OF...TULELAKE...DORRIS
851 PM PST MON JAN 3 2011

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM PST TUESDAY...

THE NATIONAL WEATHER SERVICE IN MEDFORD HAS ISSUED A DENSE FOG
ADVISORY...WHICH IS IN EFFECT UNTIL 8 AM PST TUESDAY. 

* VISIBILITY: VISIBILITY WILL DROP TO LESS THAN A QUARTER MILE
  OVERNIGHT AND EARLY TUESDAY MORNING.

* IMPACTS: DRIVERS ACROSS THE KLAMATH AND TULELAKE BASIN WILL
  EXPERIENCE POOR VISIBILITY. ROADWAYS WILL ALSO BE SLIPPERY
  ESPECIALLY ON BRIDGES AND OVERPASSES DUE TO BELOW FREEZING
  TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE REDUCED
TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...USE YOUR
HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

ORZ022-041700-
/O.CON.KMFR.FR.Y.0002.110104T0600Z-110104T1700Z/
CURRY COUNTY COAST-
INCLUDING THE CITIES OF...BROOKINGS...HARBOR...GOLD BEACH
851 PM PST MON JAN 3 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST TUESDAY...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST TUESDAY. 

* TEMPERATURE: LOW TEMPERATURES WILL FALL BETWEEN 33 AND 36
  DEGREES EARLY TUESDAY MORNING.

* IMPACTS: INLAND ROADS MAY SEE SOME FROZEN ROAD SURFACES BY 
  MORNING...WHICH MAY LINGER INTO MID TO LATE MORNING ON SHADED 
  ROAD SURFACES IN INLAND VALLEYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

ORZ023-030-031-041700-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
CENTRAL DOUGLAS COUNTY-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ROSEBURG...SUTHERLIN...GREEN...BEATTY...
BLY...SPRAGUE RIVER
851 PM PST MON JAN 3 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
UPDATES ON THIS SITUATION.

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

&&

$$
620 
WWUS76 KMFR 041022
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
222 AM PST TUE JAN 4 2011

ORZ021-041700-
/O.CON.KMFR.FZ.W.0002.000000T0000Z-110104T1700Z/
SOUTH CENTRAL OREGON COAST-
INCLUDING THE CITIES OF...COOS BAY...NORTH BEND...REEDSPORT...
COQUILLE
222 AM PST TUE JAN 4 2011

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

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

* TEMPERATURE: TEMPERATURES WILL LIKELY FALL BETWEEN 28 AND 32
  DEGREES AGAIN EARLY THIS MORNING.

* IMPACTS: VEGETATION THAT IS VULNERABLE TO FREEZING TEMPERATURES
  WILL BE KILLED. INLAND AREAS MAY SEE SOME FROZEN ROAD SURFACES BY
  MORNING...WHICH MAY LINGER INTO MID TO LATE MORNING ON SHADED
  ROAD SURFACES IN INLAND VALLEYS. FREEZING OF EXPOSED WATER PIPES
  IS ALSO POSSIBLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ORZ024-026-050030-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
/O.CON.KMFR.FG.Y.0002.000000T0000Z-110104T1600Z/
EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY-
INCLUDING THE CITIES OF...GRANTS PASS...MEDFORD...ASHLAND
222 AM PST TUE JAN 4 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS
MORNING...

AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST
THIS MORNING. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* VISIBILITY: VISIBILITY WILL DROP TO LESS THAN A QUARTER MILE 
  OVERNIGHT AND EARLY TUESDAY MORNING. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. WITH DENSE FOG OVERNIGHT...DRIVERS WILL EXPERIENCE POOR 
  VISIBILITY. IN ADDITION TEMPERATURES WILL BE BELOW FREEZING 
  AND ROADWAYS COULD BE SLIPPERY...ESPECIALLY ON BRIDGES AND 
  OVERPASSES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

ORZ029-050030-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
/O.CON.KMFR.FG.Y.0002.000000T0000Z-110104T1600Z/
KLAMATH BASIN-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS
222 AM PST TUE JAN 4 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS
MORNING...

AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST
THIS MORNING. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. WITH DENSE FOG OVERNIGHT...DRIVERS WILL EXPERIENCE POOR 
  VISIBILITY. IN ADDITION TEMPERATURES WILL BE BELOW FREEZING 
  AND ROADWAYS COULD BE SLIPPERY...ESPECIALLY ON BRIDGES AND 
  OVERPASSES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
UPDATES ON THIS SITUATION.

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

CAZ084-041600-
/O.CON.KMFR.FG.Y.0002.000000T0000Z-110104T1600Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-
INCLUDING THE CITIES OF...TULELAKE...DORRIS
222 AM PST TUE JAN 4 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS
MORNING...

A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 8 AM PST THIS
MORNING. 

* VISIBILITY: VISIBILITY WILL DROP TO LESS THAN A QUARTER MILE
  THROUGH EARLY THIS MORNING.

* IMPACTS: DRIVERS ACROSS THE KLAMATH AND TULELAKE BASIN WILL 
  EXPERIENCE POOR VISIBILITY. ROADWAYS WILL ALSO BE SLIPPERY 
  ESPECIALLY ON BRIDGES AND OVERPASSES DUE TO BELOW FREEZING 
  TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

ORZ022-041700-
/O.CON.KMFR.FR.Y.0002.000000T0000Z-110104T1700Z/
CURRY COUNTY COAST-
INCLUDING THE CITIES OF...BROOKINGS...HARBOR...GOLD BEACH
222 AM PST TUE JAN 4 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING. 

* TEMPERATURE: LOW TEMPERATURES WILL FALL BETWEEN 33 AND 36 
  DEGREES EARLY THIS MORNING. 

* IMPACTS: INLAND AREAS MAY SEE SOME FROZEN ROAD SURFACES BY 
  MORNING...WHICH MAY LINGER INTO MID TO LATE MORNING ON SHADED 
  ROAD SURFACES IN INLAND VALLEYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

ORZ023-030-031-050030-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
CENTRAL DOUGLAS COUNTY-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ROSEBURG...SUTHERLIN...GREEN...BEATTY...
BLY...SPRAGUE RIVER
222 AM PST TUE JAN 4 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
UPDATES ON THIS SITUATION.

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

&&

$$

SK
108 
WWUS76 KMFR 041554
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
754 AM PST TUE JAN 4 2011

ORZ021-041700-
/O.CON.KMFR.FZ.W.0002.000000T0000Z-110104T1700Z/
SOUTH CENTRAL OREGON COAST-
INCLUDING THE CITIES OF...COOS BAY...NORTH BEND...REEDSPORT...
COQUILLE
754 AM PST TUE JAN 4 2011

...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

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

* TEMPERATURE: TEMPERATURES WILL LIKELY FALL BETWEEN 28 AND 32 
  DEGREES AGAIN EARLY THIS MORNING. 

* IMPACTS: VEGETATION THAT IS VULNERABLE TO FREEZING 
  TEMPERATURES WILL BE KILLED. INLAND AREAS MAY SEE SOME FROZEN 
  ROAD SURFACES BY MORNING...WHICH MAY LINGER INTO MID TO LATE 
  MORNING ON SHADED ROAD SURFACES IN INLAND VALLEYS. FREEZING OF 
  EXPOSED WATER PIPES IS ALSO POSSIBLE. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR
HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER
SENSITIVE VEGETATION.

&&

$$

ORZ024-026-050000-
/O.EXT.KMFR.FG.Y.0002.000000T0000Z-110104T1800Z/
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY-
INCLUDING THE CITIES OF...GRANTS PASS...MEDFORD...ASHLAND
754 AM PST TUE JAN 4 2011

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING. AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM
PST FRIDAY. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* VISIBILITY: VISIBILITY WILL REMAIN AT A QUARTER MILE OR LESS
  UNTIL MID MORNING.

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE
  AREA. WITH DENSE FOG THIS MORNING...DRIVERS WILL EXPERIENCE POOR
  VISIBILITY. IN ADDITION TEMPERATURES WILL BE BELOW FREEZING AND
  ROADWAYS COULD BE SLIPPERY...ESPECIALLY ON BRIDGES AND
  OVERPASSES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

ORZ029-050000-
/O.EXT.KMFR.FG.Y.0002.000000T0000Z-110104T1800Z/
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
KLAMATH BASIN-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS
754 AM PST TUE JAN 4 2011

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING...
...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING. AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM
PST FRIDAY. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* VISIBILITY: VISIBILITY WILL REMAIN AT A QUARTER MILE OR LESS
  UNTIL MID MORNING.

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE
  AREA. WITH DENSE FOG THIS MORNING...DRIVERS WILL EXPERIENCE POOR
  VISIBILITY. IN ADDITION TEMPERATURES WILL BE BELOW FREEZING AND
  ROADWAYS COULD BE SLIPPERY...ESPECIALLY ON BRIDGES AND
  OVERPASSES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
UPDATES ON THIS SITUATION.

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

CAZ084-041800-
/O.EXT.KMFR.FG.Y.0002.000000T0000Z-110104T1800Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-
INCLUDING THE CITIES OF...TULELAKE...DORRIS
754 AM PST TUE JAN 4 2011

...DENSE FOG ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING...

THE DENSE FOG ADVISORY IS NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

* VISIBILITY: VISIBILITY WILL REMAIN AT A QUARTER MILE OR LESS
  UNTIL MID MORNING.

* IMPACTS: DRIVERS ACROSS THE KLAMATH AND TULELAKE BASIN WILL 
  EXPERIENCE POOR VISIBILITY. ROADWAYS WILL ALSO BE SLIPPERY 
  ESPECIALLY ON BRIDGES AND OVERPASSES DUE TO BELOW FREEZING 
  TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

ORZ022-041700-
/O.CON.KMFR.FR.Y.0002.000000T0000Z-110104T1700Z/
CURRY COUNTY COAST-
INCLUDING THE CITIES OF...BROOKINGS...HARBOR...GOLD BEACH
754 AM PST TUE JAN 4 2011

...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING...

A FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING. 

* TEMPERATURE: LOW TEMPERATURES WILL FALL BETWEEN 33 AND 36 
  DEGREES EARLY THIS MORNING. 

* IMPACTS: INLAND AREAS MAY SEE SOME FROZEN ROAD SURFACES BY 
  MORNING...WHICH MAY LINGER INTO MID TO LATE MORNING ON SHADED 
  ROAD SURFACES IN INLAND VALLEYS. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR
PLANTS MAY BE KILLED IF LEFT UNCOVERED.

&&

$$

ORZ023-030-031-050000-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
CENTRAL DOUGLAS COUNTY-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ROSEBURG...SUTHERLIN...GREEN...BEATTY...
BLY...SPRAGUE RIVER
754 AM PST TUE JAN 4 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
UPDATES ON THIS SITUATION.

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

&&

$$

PETRUCELLI
840 
WWUS76 KMFR 041710
NPWMFR

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE MEDFORD OR
910 AM PST TUE JAN 4 2011

ORZ021-041815-
/O.EXP.KMFR.FZ.W.0002.000000T0000Z-110104T1700Z/
SOUTH CENTRAL OREGON COAST-
INCLUDING THE CITIES OF...COOS BAY...NORTH BEND...REEDSPORT...
COQUILLE
910 AM PST TUE JAN 4 2011

...FREEZE WARNING HAS EXPIRED...

THE FREEZE WARNING IS NO LONGER IN EFFECT. 



$$

ORZ022-041815-
/O.EXP.KMFR.FR.Y.0002.000000T0000Z-110104T1700Z/
CURRY COUNTY COAST-
INCLUDING THE CITIES OF...BROOKINGS...HARBOR...GOLD BEACH
910 AM PST TUE JAN 4 2011

...FROST ADVISORY HAS EXPIRED...

THE FROST ADVISORY IS NO LONGER IN EFFECT. 


$$

ORZ024-026-050115-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
/O.CON.KMFR.FG.Y.0002.000000T0000Z-110104T1800Z/
EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-JACKSON COUNTY-
INCLUDING THE CITIES OF...GRANTS PASS...MEDFORD...ASHLAND
910 AM PST TUE JAN 4 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
THIS MORNING. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* VISIBILITY: VISIBILITY WILL REMAIN AT A QUARTER MILE OR LESS 
  UNTIL MID MORNING. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. WITH DENSE FOG THIS MORNING...DRIVERS WILL EXPERIENCE 
  POOR VISIBILITY. IN ADDITION TEMPERATURES WILL BE BELOW 
  FREEZING AND ROADWAYS COULD BE SLIPPERY...ESPECIALLY ON 
  BRIDGES AND OVERPASSES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

ORZ029-050115-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
/O.CON.KMFR.FG.Y.0002.000000T0000Z-110104T1800Z/
KLAMATH BASIN-
INCLUDING THE CITIES OF...ALTAMONT...KLAMATH FALLS
910 AM PST TUE JAN 4 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. A DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
THIS MORNING. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* VISIBILITY: VISIBILITY WILL REMAIN AT A QUARTER MILE OR LESS 
  UNTIL MID MORNING. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. WITH DENSE FOG THIS MORNING...DRIVERS WILL EXPERIENCE 
  POOR VISIBILITY. IN ADDITION TEMPERATURES WILL BE BELOW 
  FREEZING AND ROADWAYS COULD BE SLIPPERY...ESPECIALLY ON 
  BRIDGES AND OVERPASSES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
UPDATES ON THIS SITUATION.

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

CAZ084-041815-
/O.CON.KMFR.FG.Y.0002.000000T0000Z-110104T1800Z/
NORTHEAST SISKIYOU AND NORTHWEST MODOC COUNTIES-
INCLUDING THE CITIES OF...TULELAKE...DORRIS
910 AM PST TUE JAN 4 2011

...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

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

* VISIBILITY: VISIBILITY WILL REMAIN AT A QUARTER MILE OR LESS 
  UNTIL MID MORNING. 

* IMPACTS: DRIVERS ACROSS THE KLAMATH AND TULELAKE BASIN WILL 
  EXPERIENCE POOR VISIBILITY. ROADWAYS WILL ALSO BE SLIPPERY 
  ESPECIALLY ON BRIDGES AND OVERPASSES DUE TO BELOW FREEZING 
  TEMPERATURES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A DENSE FOG ADVISORY MEANS VISIBILITIES WILL FREQUENTLY BE
REDUCED TO LESS THAN ONE QUARTER MILE. IF DRIVING...SLOW DOWN...
USE YOUR HEADLIGHTS...AND LEAVE PLENTY OF DISTANCE AHEAD OF YOU.

&&

$$

ORZ023-030-031-050115-
/O.CON.KMFR.AS.Y.0001.000000T0000Z-110107T1800Z/
CENTRAL DOUGLAS COUNTY-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
INCLUDING THE CITIES OF...ROSEBURG...SUTHERLIN...GREEN...BEATTY...
BLY...SPRAGUE RIVER
910 AM PST TUE JAN 4 2011

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY...

AN AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST
FRIDAY. 

* SYNOPSIS: HIGH PRESSURE OVER THE AREA WILL PERSIST UNTIL AT 
  LEAST FRIDAY. LIGHT WINDS WILL RESULT IN LITTLE MIXING OF THE 
  AIR IN THE VALLEYS ACROSS SOUTHERN OREGON. 

* IMPACTS: AN AIR STAGNATION ADVISORY INDICATES THAT POLLUTION 
  WILL INCREASE DUE TO LIMITED MOVEMENT OF THE AIR ACROSS THE 
  AREA. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

LISTEN TO NOAA WEATHER RADIO OR YOUR LOCAL MEDIA FOR THE LATEST
UPDATES ON THIS SITUATION.

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT
OF AN AIRMASS ACROSS THE ADVISORY AREA...POLLUTION WILL INCREASE.

&&

$$

What forecasters said that day

The local office's own words before this freeze 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 freeze warning went out at Jan 3, 8:39 AM PST, 4 hours 53 minutes earlier.

Area forecast discussion, Jan 3, 8:39 AM PST, 4 hours 53 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MEDFORD OR
839 AM PST MON JAN 3 2011

.DISCUSSION...NOT MUCH CHANGE IN THE OVERALL PATTERN IS EXPECTED
FOR THE REST OF THE WEEK WITH A DRY AND STABLE AIRMASS REMAINING IN
PLACE. THIS MORNINGS SOUNDING SHOWS A DEEPER MOIST LAYER WITH A
STRONGER INVERSION COMPARED TO YESTERDAY. SO THE MAIN QUESTION
TODAY IS WEATHER OR NOT THE ROGUE VALLEY WILL BREAK OUT OF THE LOW
CLOUDS. BASED ON CURRENT INFORMATION...CLOUDS SHOULD BREAK UP BY
EARLY THIS AFTERNOON. HOWEVER THIS WILL LEAD TO COOLER MAX
TEMPERATURES AND AS A RESULT HAVE ADJUSTED THEM DOWN A FEW
DEGREES. THE UMPQUA BASIN IS LIKELY TO REMAIN SOCKED IN THROUGH
THIS AFTERNOON.

THE 0Z EC AND 12Z GFS SUGGEST THE NEXT FRONT MOVING INTO THE CWA
SATURDAY MORNING.

&&

.AVIATION...THE 12Z SOUNDING SHOWS THE MOIST LAYER AROUND 1400
FT.LOW CLOUDS ARE EXPECTED TO PERSIST THROUGH EARLY THIS AFTERNOON
IN THE ROGUE...ILLINOIS AND EAST SIDE VALLEYS. FREEZING FOG
REMAINS A CONCERN IN THE ROGUE VALLEY UNTIL AT LEAST 18Z...THEN
PATCHY FOG IS EXPECTED UNTIL 21Z. THE UMPQUA BASIN SHOULD REMAIN
SOCKED IN THE LOW CLOUDS WITH CIGS LESS THEN 1000 FT THROUGH THIS
AFTERNOON. SKIES WILL REMAIN CLEAR AT THE COAST WITH LIGHT
OFFSHORE FLOW AND A LARGE SEPARATION BETWEEN THE AIR AND DEWPOINT
TEMPERATURE. DESPITE ANY BREAKUP OF CLOUDS THIS AFTERNOON...MTNS
WILL CONTINUE TO REMAIN OBSCURED.

&&

.MFR WATCHES/WARNINGS/ADVISORIES...
OR...FREEZE WATCH FROM THIS EVENING THROUGH TUESDAY MORNING FOR
     ORZ021.
     FREEZE WARNING UNTIL 9 AM PST THIS MORNING FOR ORZ021.
     AIR STAGNATION ADVISORY UNTIL 10 AM PST FRIDAY FOR
     ORZ023-024-026-029>031.
     FROST ADVISORY UNTIL 9 AM PST THIS MORNING FOR ORZ022.
     DENSE FOG ADVISORY UNTIL 9 AM PST THIS MORNING FOR ORZ026.

CA...NONE.

PACIFIC COASTAL WATERS...SMALL CRAFT ADVISORY FOR HAZARDOUS SEAS FROM 4 PM THIS AFTERNOON
     TO 1 AM PST FRIDAY FOR PZZ350-356-370-376.

PETRUCELLI
Hazardous weather outlook, Jan 3, 10:21 AM PST, 3 hours 11 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE MEDFORD OR
1021 AM PST MON JAN 3 2011

ORZ021-041700-
SOUTH CENTRAL OREGON COAST-
1021 AM PST MON JAN 3 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHWEST
OREGON.

.DAY ONE...TODAY AND TONIGHT

A FREEZE WATCH IS IN EFFECT FROM 10 PM TONIGHT THROUGH TUESDAY
MORNING. PLEASE SEE LATEST WATCH MESSAGE FOR FURTHER DETAILS AND UPDATES.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE FREEZE WATCH REMAINS IN EFFECT UNTIL TUESDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

NO SPOTTER ACTIVATION WILL BE NEEDED.

ORZ023-024-026-029>031-041700-
CENTRAL DOUGLAS COUNTY-EASTERN CURRY COUNTY AND JOSEPHINE COUNTY-
JACKSON COUNTY-KLAMATH BASIN-
NORTHERN AND EASTERN KLAMATH COUNTY AND WESTERN LAKE COUNTY-
CENTRAL AND EASTERN LAKE COUNTY-
1021 AM PST MON JAN 3 2011

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
OREGON AND SOUTHWEST OREGON.

.DAY ONE...TODAY AND TONIGHT

AN AIR STAGNATION ADVISORY IS NOW IN EFFECT UNTIL 10 AM PST FRIDAY.
PLEASE SEE LATEST ADVISORY MESSAGE FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THE AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY.

.SPOTTER INFORMATION STATEMENT...

NO SPOTTER ACTIVATION WILL BE NEEDED.

OTTENWELLER

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 2:32 AM PSTSmall Craft Advisory for Hazardous SeasMFR6 days
Jan 3, 6:01 AM PSTDense Fog AdvisoryMFRCurry, Jackson, Josephine4 hr
Jan 3, 1:32 PM PSTFrost AdvisoryMFRCurry19 hr

Nearby

Freeze Warnings in Oregon, 2011Every freeze warning in 2011

Sources

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