Alert archive / Oregon / Frost Advisories in 2020

Frost Advisory 21, NWS Medford, OR

September 8, 2020Klamath County, Lake County, Oregon; Modoc County, California

NWS Medford, OR issued this frost advisory at Sep 8, 2020, 3:23 AM PDT for Klamath County, Lake County, Oregon; Modoc County, California. It took effect at Sep 9, 2020, 4:00 AM PDT. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Sep 8, 2020, 3:23 AM PDT (10:23 UTC)
In effect from
Sep 9, 2020, 4:00 AM PDT
Expired
Sep 9, 2020, 8:00 AM PDT
In force
4 hr
Issued by
NWS Medford, OR

Counties Modoc County, CA, Klamath County, OR, Lake County, OR

The radar

The Medford radar (KMAX), 151 km from the middle of the area, began a volume at 10:21 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 00:00Z, 10.4 hours before the alert went out and 154 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 2020-09-08Temperature 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 00:00Z on 2020-09-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 35 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
3902 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
35 m²/s²
0-3 km storm-relative helicity
96 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

908 
WWUS76 KMFR 081023
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
323 AM PDT Tue Sep 8 2020

ORZ030-081830-
/O.UPG.KMFR.FZ.A.0006.200909T1200Z-200909T1700Z/
/O.NEW.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
/O.NEW.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
/O.CON.KMFR.WI.Y.0014.000000T0000Z-200908T1800Z/
Northern and Eastern Klamath County and Western Lake County-
Including the cities of Beatty, Chemult, Crescent, Gilchrist, 
and Sprague River
323 AM PDT Tue Sep 8 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING...
...FREEZE WARNING IN EFFECT FROM 4 AM TO 8 AM PDT WEDNESDAY...
...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM PDT WEDNESDAY...

* WHAT...For the Wind Advisory, northeast winds 15 to 25 mph with
  gusts up to 45 mph through this morning. For the Freeze Warning,
  sub-freezing temperatures as low as 28 expected. For the Frost
  Advisory, temperatures in the lower to mid 30s and light winds
  will result in frost formation. 

* WHERE...Advisory level winds will affect extreme southeast
  Klamath and southwest Lake Counties. Freeze conditions will
  affect valley locations in northern and northeast Klamath as
  well as far northeast Lake Counties, including north of
  Chiloquin to south of Crescent. Frost will affect most other 
  valley locations in northern and northeast Klamath and far 
  eastern Lake Counties, including Sprague River and Crescent.

* WHEN...For the Freeze Warning and Frost Advisory, from 4 AM to 
  8 AM PDT Wednesday. For the Wind Advisory, until 11 AM PDT this 
  morning.

* IMPACTS...Gusty winds through this morning could blow around 
  unsecured objects. Tree limbs could be blown down and a few 
  power outages may result. Frost and freeze conditions will kill 
  crops, other sensitive vegetation and possibly damage 
  unprotected outdoor plumbing.


* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

ORZ029-081830-
/O.UPG.KMFR.FZ.A.0006.200909T1200Z-200909T1700Z/
/O.NEW.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
/O.NEW.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
Klamath Basin-
323 AM PDT Tue Sep 8 2020

...FREEZE WARNING IN EFFECT FROM 4 AM TO 8 AM PDT WEDNESDAY...
...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM PDT WEDNESDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low
  as 30 expected. For the Frost Advisory, temperatures in the
  lower to mid 30s and light winds will result in frost 
  formation.

* WHERE...Northern Klamath Basin. For the freeze warning, this 
  includes areas north of Chiloquin. For the frost advisory, this 
  includes Chiloquin.

* WHEN...From 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

CAZ085-ORZ031-081830-
/O.UPG.KMFR.FZ.A.0006.200909T1200Z-200909T1700Z/
/O.NEW.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
/O.CON.KMFR.WI.Y.0014.000000T0000Z-200908T1800Z/
Modoc County-Central and Eastern Lake County-
Including the cities of Alturas, Adel, Lakeview, and Valley Falls
323 AM PDT Tue Sep 8 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING...
...FROST ADVISORY IN EFFECT FROM 4 AM TO 8 AM PDT WEDNESDAY...

* WHAT...For the Wind Advisory, northeast winds 15 to 25 mph with
  gusts up to 45 mph through this morning. For the Frost Advisory,
  temperatures in the lower to mid 30s and light winds will 
  result in frost formation early Wednesday. 

* WHERE...In California, Modoc County. In Oregon, Central and
  Eastern Lake County. Strongest winds are expected in Lake County
  and northern and eastern Modoc County. Frost advisory 
  conditions will affect areas near Alturas, north of Davis Creek 
  to Lakeview, Silver Lake and Fort Rock.
 
* WHEN...For the Wind Advisory, until 11 AM PDT this morning.
  For the Frost Advisory, from 4 AM to 8 AM PDT Wednesday. 

* IMPACTS...Gusty winds could blow around unsecured objects. Tree
  limbs could be blown down and a few power outages may result.
  Frost could kill sensitive outdoor vegetation if left uncovered.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

Take steps now to protect tender plants from the cold.

&&

$$

ORZ021>024-081830-
/O.CON.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
South Central Oregon Coast-Curry County Coast-
Central Douglas County-Eastern Curry County and Josephine County-
Including the cities of Reedsport, Coquille, Drain, Elkton, 
Roseburg, Sutherlin, and Green
323 AM PDT Tue Sep 8 2020

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...Temperatures in the mid 90s to 100 expected, with 
  overnight lows as warm as 65.

* WHERE...South Central Oregon Coast and Central Douglas County.

* WHEN...From 11 PM this evening to 11 PM PDT Tuesday.

* IMPACTS...The combination of warm overnight temperatures, hot 
  daytime temperatures, and dry conditions will make it 
  difficult to stay hydrated and cool. The potential for heat 
  related illnesses will be significantly higher, especially for 
  those working outside and for those who lack access to 
  adequate cooling resources.


* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

ORZ026-081830-
/O.CON.KMFR.WI.Y.0014.200908T1200Z-200909T2100Z/
Jackson County-
Including the city of Ashland
323 AM PDT Tue Sep 8 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT WEDNESDAY...

* WHAT...Northeast winds 20 to 30 mph with gusts up to 45 mph 
  expected.

* WHERE...Southeastern Jackson County, including Ashland, 
  Talent, Phoenix, Jacksonville, and the surrounding mountains.

* WHEN...From 5 AM Tuesday to 2 PM PDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...These downsloping winds will be warm and 
  very dry, with relative humidities dropping into the single 
  digits.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Visit us at https://www.weather.gov/Medford
6 follow-up statements
356 
WWUS76 KMFR 081738
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1038 AM PDT Tue Sep 8 2020

ORZ030-091200-
/O.EXP.KMFR.WI.Y.0014.000000T0000Z-200908T1800Z/
/O.CON.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Northern and Eastern Klamath County and Western Lake County-
Including the cities of Beatty, Chemult, Crescent, Gilchrist, 
and Sprague River
1038 AM PDT Tue Sep 8 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...WIND ADVISORY WILL EXPIRE AT 11 AM PDT THIS MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as low
  as 23 expected. For the Frost Advisory, temperatures as low as
  32 will result in frost formation.

* WHERE...Advisory level winds will affect extreme southeast 
  Klamath and southwest Lake Counties. Freeze conditions will 
  affect valley locations in northern and northeast Klamath as 
  well as far northeast Lake Counties, including north of 
  Chiloquin to south of Crescent. Frost will affect most other 
  valley locations in northern and northeast Klamath and far 
  eastern Lake Counties, including Sprague River and Crescent.

* WHEN...For the Freeze Warning and Frost Advisory, from 4 AM to 
  8 AM PDT Wednesday. For the Wind Advisory, until 11 AM PDT 
  this morning.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

CAZ085-ORZ031-091200-
/O.EXP.KMFR.WI.Y.0014.000000T0000Z-200908T1800Z/
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Modoc County-Central and Eastern Lake County-
Including the cities of Alturas, Adel, Lakeview, and Valley Falls
1038 AM PDT Tue Sep 8 2020

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...WIND ADVISORY WILL EXPIRE AT 11 AM PDT THIS MORNING...

* WHAT...Temperatures as low as 30 will result in frost 
  formation.

* WHERE...In California, Modoc County. In Oregon, Central and 
  Eastern Lake County. Strongest winds are expected in Lake 
  County and northern and eastern Modoc County. Frost advisory 
  conditions will affect areas near Alturas, north of Davis 
  Creek to Lakeview, Silver Lake and Fort Rock.

* WHEN...For the Wind Advisory, until 11 AM PDT this morning. 
  For the Frost Advisory, from 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

ORZ029-091200-
/O.CON.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Klamath Basin-
1038 AM PDT Tue Sep 8 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Frost Advisory, temperatures in 
  the lower to mid 30s and light winds will result in frost 
  formation.

* WHERE...Northern Klamath Basin. For the freeze warning, this 
  includes areas north of Chiloquin. For the frost advisory, 
  this includes Chiloquin.

* WHEN...From 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

ORZ021>024-090600-
/O.CON.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
South Central Oregon Coast-Curry County Coast-
Central Douglas County-Eastern Curry County and Josephine County-
Including the cities of Reedsport, Coquille, Drain, Elkton, 
Roseburg, Sutherlin, and Green
1038 AM PDT Tue Sep 8 2020

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...Temperatures in the mid 90s to 100 expected, with 
  overnight lows as warm as 65.

* WHERE...South Central Oregon Coast and Central Douglas County.

* WHEN...From 11 PM this evening to 11 PM PDT Tuesday.

* IMPACTS...The combination of warm overnight temperatures, hot 
  daytime temperatures, and dry conditions will make it 
  difficult to stay hydrated and cool. The potential for heat 
  related illnesses will be significantly higher, especially for 
  those working outside and for those who lack access to 
  adequate cooling resources.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

ORZ026-091200-
/O.CON.KMFR.WI.Y.0014.000000T0000Z-200909T2100Z/
Jackson County-
Including the city of Ashland
1038 AM PDT Tue Sep 8 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT WEDNESDAY...

* WHAT...East to southeast winds 20 to 30 mph with gusts up to 45
  mph expected.

* WHERE...Southeastern Jackson County, including Ashland, 
  Talent, Phoenix, Jacksonville, and the surrounding mountains.

* WHEN...From 5 AM Tuesday to 2 PM PDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...These downsloping winds will be warm and 
  very dry, with relative humidities dropping into the single 
  digits.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Visit us at https://www.weather.gov/Medford
434 
WWUS76 KMFR 081910
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1210 PM PDT Tue Sep 8 2020

ORZ029-091200-
/O.CON.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Klamath Basin-
1210 PM PDT Tue Sep 8 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Frost Advisory, temperatures in 
  the lower to mid 30s and light winds will result in frost 
  formation.

* WHERE...Northern Klamath Basin. For the freeze warning, this 
  includes areas north of Chiloquin. For the frost advisory, 
  this includes Chiloquin.

* WHEN...From 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

ORZ030-091200-
/O.CON.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Northern and Eastern Klamath County and Western Lake County-
Including the cities of Beatty, Chemult, Crescent, Gilchrist, 
and Sprague River
1210 PM PDT Tue Sep 8 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 23 expected. For the Frost Advisory, temperatures as 
  low as 32 will result in frost formation.

* WHERE...Advisory level winds will affect extreme southeast 
  Klamath and southwest Lake Counties. Freeze conditions will 
  affect valley locations in northern and northeast Klamath as 
  well as far northeast Lake Counties, including north of 
  Chiloquin to south of Crescent. Frost will affect most other 
  valley locations in northern and northeast Klamath and far 
  eastern Lake Counties, including Sprague River and Crescent.

* WHEN...For the Freeze Warning and Frost Advisory, from 4 AM to 
  8 AM PDT Wednesday. For the Wind Advisory, until 11 AM PDT 
  this morning.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

ORZ024-090600-
/O.EXB.KMFR.WI.Y.0014.000000T0000Z-200909T0600Z/
/O.CON.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
Eastern Curry County and Josephine County-
Including the city of Grants Pass
1210 PM PDT Tue Sep 8 2020

...WIND ADVISORY IN EFFECT UNTIL 11 PM PDT THIS EVENING...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...East to southeast winds 15 to 25 mph with gusts up to 35 
  mph expected.

* WHERE...Eastern Curry County and Josephine County.

* WHEN...Until 11 PM PDT this evening.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result.

* ADDITIONAL DETAILS...These downsloping winds will be warm and 
  very dry, with relative humidities dropping into the single 
  digits.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

ORZ021>023-090600-
/O.CON.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
South Central Oregon Coast-Curry County Coast-
Central Douglas County-
Including the cities of Reedsport, Coquille, Drain, Elkton, 
Roseburg, Sutherlin, and Green
1210 PM PDT Tue Sep 8 2020

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...Temperatures in the mid 90s to 100 expected, with 
  overnight lows as warm as 65.

* WHERE...South Central Oregon Coast and Central Douglas County.

* WHEN...From 11 PM this evening to 11 PM PDT Tuesday.

* IMPACTS...The combination of warm overnight temperatures, hot 
  daytime temperatures, and dry conditions will make it 
  difficult to stay hydrated and cool. The potential for heat 
  related illnesses will be significantly higher, especially for 
  those working outside and for those who lack access to 
  adequate cooling resources.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ085-ORZ031-091200-
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Modoc County-Central and Eastern Lake County-
Including the city of Alturas
1210 PM PDT Tue Sep 8 2020

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...Temperatures as low as 30 will result in frost 
  formation.

* WHERE...In California, Modoc County. In Oregon, Central and 
  Eastern Lake County. Strongest winds are expected in Lake 
  County and northern and eastern Modoc County. Frost advisory 
  conditions will affect areas near Alturas, north of Davis 
  Creek to Lakeview, Silver Lake and Fort Rock.

* WHEN...For the Wind Advisory, until 11 AM PDT this morning. 
  For the Frost Advisory, from 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

ORZ026-091200-
/O.CON.KMFR.WI.Y.0014.000000T0000Z-200909T2100Z/
Jackson County-
Including the cities of Medford and Ashland
1210 PM PDT Tue Sep 8 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT WEDNESDAY...

* WHAT...East to southeast winds 20 to 30 mph with gusts up to 
  45 mph expected.

* WHERE...Southeastern Jackson County, including Ashland, 
  Talent, Phoenix, Jacksonville, and the surrounding mountains.

* WHEN...From 5 AM Tuesday to 2 PM PDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects.
  Drought-stressed trees and tree limbs could fall and power 
  outages may result.

* ADDITIONAL DETAILS...These downsloping winds will be warm and 
  very dry, with relative humidities dropping into the single 
  digits.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Visit us at https://www.weather.gov/Medford
033 
WWUS76 KMFR 090039
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
539 PM PDT Tue Sep 8 2020

ORZ029-091245-
/O.CON.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Klamath Basin-
539 PM PDT Tue Sep 8 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Frost Advisory, temperatures in 
  the lower to mid 30s and light winds will result in frost 
  formation.

* WHERE...Northern Klamath Basin. For the freeze warning, this 
  includes areas north of Chiloquin. For the frost advisory, 
  this includes Chiloquin.

* WHEN...From 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

ORZ030-091245-
/O.CON.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Northern and Eastern Klamath County and Western Lake County-
Including the cities of Beatty, Chemult, Crescent, Gilchrist, 
and Sprague River
539 PM PDT Tue Sep 8 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 23 expected. For the Frost Advisory, temperatures as 
  low as 32 will result in frost formation.

* WHERE...Advisory level winds will affect extreme southeast 
  Klamath and southwest Lake Counties. Freeze conditions will 
  affect valley locations in northern and northeast Klamath as 
  well as far northeast Lake Counties, including north of 
  Chiloquin to south of Crescent. Frost will affect most other 
  valley locations in northern and northeast Klamath and far 
  eastern Lake Counties, including Sprague River and Crescent.

* WHEN...For the Freeze Warning and Frost Advisory, from 4 AM to 
  8 AM PDT Wednesday. For the Wind Advisory, until 11 AM PDT 
  this morning.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

ORZ024-091245-
/O.NEW.KMFR.SM.Y.0001.200909T0039Z-200910T0600Z/
/O.CON.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
/O.CON.KMFR.WI.Y.0014.000000T0000Z-200909T0600Z/
Eastern Curry County and Josephine County-
Including the city of Grants Pass
539 PM PDT Tue Sep 8 2020

...DENSE SMOKE ADVISORY IN EFFECT UNTIL 11 PM PDT WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...
...WIND ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...For the Wind Advisory, east winds 5 to 15 mph with 
  gusts up to 30 mph. For the Heat Advisory, temperatures up to 
  100. For the Dense Smoke Advisory, visibility one to two miles 
  in dense smoke.

* WHERE...Eastern Curry County and Josephine County.

* WHEN...For the Wind Advisory, until 11 PM PDT this evening. 
  For the Dense Smoke Advisory, until 11 PM PDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Tree limbs could be blown down and a few power outages may 
  result. Hot temperatures may cause heat illnesses to occur. 
  Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...These downsloping winds will be warm and 
  very dry, with relative humidities dropping into the single 
  digits.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

Persons with respiratory illnesses should remain indoors to avoid
inhaling smoke. If driving, slow down, use your headlights, and
leave plenty of distance ahead of you.

&&

$$

ORZ021-023-091245-
/O.NEW.KMFR.SM.Y.0001.200909T0039Z-200910T0600Z/
/O.CON.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
South Central Oregon Coast-Central Douglas County-
Including the cities of Reedsport, Coquille, Drain, Elkton, 
Roseburg, Sutherlin, Green, Myrtle Creek, and Canyonville
539 PM PDT Tue Sep 8 2020

...DENSE SMOKE ADVISORY IN EFFECT UNTIL 11 PM PDT WEDNESDAY...
...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...For the Heat Advisory, temperatures up to 98. For the
  Dense Smoke Advisory, visibility one to two miles, and less than
  a half a mile in places in dense smoke.

* WHERE...South Central Oregon Coast and Central Douglas County.

* WHEN...For the Heat Advisory, until 11 PM PDT this evening. 
  For the Dense Smoke Advisory, until 11 PM PDT Wednesday.

* IMPACTS...Hot temperatures may cause heat illnesses to occur. 
  Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...The combination of warm overnight
  temperatures, hot daytime temperatures, and dry conditions will
  make it difficult to stay hydrated and cool. The potential for
  heat related illnesses will be significantly higher, especially
  for those working outside and for those who lack access to
  adequate cooling resources. Hazardous driving conditions due to
  low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

Persons with respiratory illnesses should remain indoors to avoid
inhaling smoke. If driving, slow down, use your headlights, and
leave plenty of distance ahead of you.

&&

$$

ORZ025-091245-
/O.NEW.KMFR.SM.Y.0001.200909T0039Z-200910T0600Z/
Eastern Douglas County Foothills-
539 PM PDT Tue Sep 8 2020

...DENSE SMOKE ADVISORY IN EFFECT UNTIL 11 PM PDT WEDNESDAY...

* WHAT...Visibility from 3 to less than a half a mile in dense 
  smoke.

* WHERE...Eastern Douglas County Foothills, especially along
  highway 138.

* WHEN...Until 11 PM PDT Wednesday.

* IMPACTS...Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...Hazardous driving conditions due to low
  visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illnesses should remain indoors to avoid
inhaling smoke. If driving, slow down, use your headlights, and
leave plenty of distance ahead of you.

&&

$$

ORZ022-090600-
/O.CON.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
Curry County Coast-
539 PM PDT Tue Sep 8 2020

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING...

* WHAT...Temperatures in the mid 90s to 100 expected, with 
  overnight lows as warm as 65.

* WHERE...South Central Oregon Coast and Central Douglas County.

* WHEN...From 11 PM this evening to 11 PM PDT Tuesday.

* IMPACTS...The combination of warm overnight temperatures, hot 
  daytime temperatures, and dry conditions will make it 
  difficult to stay hydrated and cool. The potential for heat 
  related illnesses will be significantly higher, especially for 
  those working outside and for those who lack access to 
  adequate cooling resources.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in an air-conditioned room, stay out
of the sun, and check up on relatives and neighbors. Young
children and pets should never be left unattended in vehicles
under any circumstances.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when
possible. To reduce risk during outdoor work, the Occupational
Safety and Health Administration recommends scheduling frequent
rest breaks in shaded or air conditioned environments. Anyone
overcome by heat should be moved to a cool and shaded location.
Heat stroke is an emergency! Call 9 1 1.

&&

$$

CAZ085-ORZ031-091245-
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Modoc County-Central and Eastern Lake County-
Including the city of Alturas
539 PM PDT Tue Sep 8 2020

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...Temperatures as low as 30 will result in frost 
  formation.

* WHERE...In California, Modoc County. In Oregon, Central and 
  Eastern Lake County. Strongest winds are expected in Lake 
  County and northern and eastern Modoc County. Frost advisory 
  conditions will affect areas near Alturas, north of Davis 
  Creek to Lakeview, Silver Lake and Fort Rock.

* WHEN...For the Wind Advisory, until 11 AM PDT this morning. 
  For the Frost Advisory, from 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

ORZ026-091245-
/O.CON.KMFR.WI.Y.0014.000000T0000Z-200909T2100Z/
Jackson County-
Including the cities of Medford and Ashland
539 PM PDT Tue Sep 8 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT WEDNESDAY...

* WHAT...East to southeast winds 20 to 30 mph with gusts up to 
  45 mph expected.

* WHERE...Southeastern Jackson County, including Ashland, 
  Talent, Phoenix, Jacksonville, and the surrounding mountains.

* WHEN...From 5 AM Tuesday to 2 PM PDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Drought-stressed trees and tree limbs could fall and power 
  outages may result.

* ADDITIONAL DETAILS...These downsloping winds will be warm and 
  very dry, with relative humidities dropping into the single 
  digits.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

Visit us at https://www.weather.gov/Medford
985 
WWUS76 KMFR 090559
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
1059 PM PDT Tue Sep 8 2020

ORZ024-091400-
/O.EXP.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
/O.EXP.KMFR.WI.Y.0014.000000T0000Z-200909T0600Z/
/O.CON.KMFR.SM.Y.0001.000000T0000Z-200910T0600Z/
Eastern Curry County and Josephine County-
Including the city of Grants Pass
1059 PM PDT Tue Sep 8 2020

...DENSE SMOKE ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT
WEDNESDAY...
...HEAT ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...
...WIND ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

* WHAT...Visibility 1/2 to 3 miles in dense smoke.

* WHERE...Eastern Curry County and Josephine County.

* WHEN...For the Wind Advisory, until 11 PM PDT this evening. 
  For the Dense Smoke Advisory, until 11 PM PDT Wednesday.

* IMPACTS...Hazardous driving conditions due to low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illnesses should remain indoors to avoid
inhaling smoke. If driving, slow down, use your headlights, and
leave plenty of distance ahead of you.

&&

$$

ORZ021-023-091400-
/O.EXP.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
/O.CON.KMFR.SM.Y.0001.000000T0000Z-200910T0600Z/
South Central Oregon Coast-Central Douglas County-
Including the cities of Reedsport, Coquille, Drain, Elkton, 
Roseburg, Sutherlin, Green, Myrtle Creek, and Canyonville
1059 PM PDT Tue Sep 8 2020

...DENSE SMOKE ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT
WEDNESDAY...
...HEAT ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

* WHAT...Visibility one to two miles in dense smoke.

* WHERE...South Central Oregon Coast and Central Douglas County.

* WHEN...For the Heat Advisory, until 11 PM PDT this evening. 
  For the Dense Smoke Advisory, until 11 PM PDT Wednesday.

* IMPACTS...Hazardous driving conditions due to low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illnesses should remain indoors to avoid
inhaling smoke. If driving, slow down, use your headlights, and
leave plenty of distance ahead of you.

&&

$$

ORZ022-090700-
/O.EXP.KMFR.HT.Y.0007.000000T0000Z-200909T0600Z/
Curry County Coast-
1059 PM PDT Tue Sep 8 2020

...HEAT ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING...

With onshore flow moving in Wednesday, temperatures will be 
cooler.

$$

ORZ029-091400-
/O.CON.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Klamath Basin-
1059 PM PDT Tue Sep 8 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Frost Advisory, temperatures in 
  the lower to mid 30s and light winds will result in frost 
  formation.

* WHERE...Northern Klamath Basin. For the freeze warning, this 
  includes areas north of Chiloquin. For the frost advisory, 
  this includes Chiloquin.

* WHEN...From 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

ORZ030-091400-
/O.CON.KMFR.FZ.W.0009.200909T1100Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Northern and Eastern Klamath County and Western Lake County-
Including the cities of Beatty, Chemult, Crescent, Gilchrist, 
and Sprague River
1059 PM PDT Tue Sep 8 2020

...FREEZE WARNING REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...
...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 23 expected. For the Frost Advisory, temperatures as 
  low as 32 will result in frost formation.

* WHERE...Advisory level winds will affect extreme southeast 
  Klamath and southwest Lake Counties. Freeze conditions will 
  affect valley locations in northern and northeast Klamath as 
  well as far northeast Lake Counties, including north of 
  Chiloquin to south of Crescent. Frost will affect most other 
  valley locations in northern and northeast Klamath and far 
  eastern Lake Counties, including Sprague River and Crescent.

* WHEN...For the Freeze Warning and Frost Advisory, from 4 AM to 
  8 AM PDT Wednesday. For the Wind Advisory, until 11 AM PDT 
  this morning.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

CAZ085-ORZ031-091400-
/O.CON.KMFR.FR.Y.0021.200909T1100Z-200909T1500Z/
Modoc County-Central and Eastern Lake County-
Including the city of Alturas
1059 PM PDT Tue Sep 8 2020

...FROST ADVISORY REMAINS IN EFFECT FROM 4 AM TO 8 AM PDT
WEDNESDAY...

* WHAT...Temperatures as low as 30 will result in frost 
  formation.

* WHERE...In California, Modoc County. In Oregon, Central and 
  Eastern Lake County. Strongest winds are expected in Lake 
  County and northern and eastern Modoc County. Frost advisory 
  conditions will affect areas near Alturas, north of Davis 
  Creek to Lakeview, Silver Lake and Fort Rock.

* WHEN...For the Wind Advisory, until 11 AM PDT this morning. 
  For the Frost Advisory, from 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

ORZ026-091400-
/O.CON.KMFR.WI.Y.0014.000000T0000Z-200909T2100Z/
Jackson County-
Including the cities of Medford and Ashland
1059 PM PDT Tue Sep 8 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT WEDNESDAY...

* WHAT...East to southeast winds 20 to 30 mph with gusts up to 
  45 mph expected.

* WHERE...Southeastern Jackson County, including Ashland, 
  Talent, Phoenix, Jacksonville, and the surrounding mountains.

* WHEN...From 5 AM Tuesday to 2 PM PDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Drought-stressed trees and tree limbs could fall and power 
  outages may result.

* ADDITIONAL DETAILS...These downsloping winds will be warm and 
  very dry, with relative humidities dropping into the single 
  digits.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

ORZ025-091400-
/O.CON.KMFR.SM.Y.0001.000000T0000Z-200910T0600Z/
Eastern Douglas County Foothills-
1059 PM PDT Tue Sep 8 2020

...DENSE SMOKE ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT
WEDNESDAY...

* WHAT...Visibility from 3 to less than a half a mile in dense 
  smoke.

* WHERE...Eastern Douglas County Foothills, especially along 
  highway 138.

* WHEN...Until 11 PM PDT Wednesday.

* IMPACTS...Hazardous driving conditions due to low visibility.

* ADDITIONAL DETAILS...Hazardous driving conditions due to low 
  visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illnesses should remain indoors to avoid
inhaling smoke. If driving, slow down, use your headlights, and
leave plenty of distance ahead of you.

&&

$$

Visit us at https://www.weather.gov/Medford
270 
WWUS76 KMFR 091107
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
407 AM PDT Wed Sep 9 2020

ORZ029-091500-
/O.CON.KMFR.FZ.W.0009.000000T0000Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.000000T0000Z-200909T1500Z/
Klamath Basin-
407 AM PDT Wed Sep 9 2020

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...
...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 30 expected. For the Frost Advisory, temperatures in 
  the lower to mid 30s and light winds will result in frost 
  formation.

* WHERE...Northern Klamath Basin. For the freeze warning, this 
  includes areas north of Chiloquin. For the frost advisory, 
  this includes Chiloquin.

* WHEN...From 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

ORZ030-091500-
/O.CON.KMFR.FZ.W.0009.000000T0000Z-200909T1500Z/
/O.CON.KMFR.FR.Y.0021.000000T0000Z-200909T1500Z/
Northern and Eastern Klamath County and Western Lake County-
Including the cities of Beatty, Chemult, Crescent, Gilchrist, 
and Sprague River
407 AM PDT Wed Sep 9 2020

...FREEZE WARNING REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...
...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...

* WHAT...For the Freeze Warning, sub-freezing temperatures as 
  low as 23 expected. For the Frost Advisory, temperatures as 
  low as 32 will result in frost formation.

* WHERE...Advisory level winds will affect extreme southeast 
  Klamath and southwest Lake Counties. Freeze conditions will 
  affect valley locations in northern and northeast Klamath as 
  well as far northeast Lake Counties, including north of 
  Chiloquin to south of Crescent. Frost will affect most other 
  valley locations in northern and northeast Klamath and far 
  eastern Lake Counties, including Sprague River and Crescent.

* WHEN...For the Freeze Warning and Frost Advisory, from 4 AM to 
  8 AM PDT Wednesday. For the Wind Advisory, until 11 AM PDT 
  this morning.

* IMPACTS...Frost and freeze conditions will kill crops, other 
  sensitive vegetation and possibly damage unprotected outdoor 
  plumbing.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold. To prevent
freezing and possible bursting of outdoor water pipes they should
be wrapped, drained, or allowed to drip slowly. Those that have
in-ground sprinkler systems should drain them and cover above-
ground pipes to protect them from freezing.

&&

$$

CAZ085-ORZ031-091500-
/O.CON.KMFR.FR.Y.0021.000000T0000Z-200909T1500Z/
Modoc County-Central and Eastern Lake County-
Including the city of Alturas
407 AM PDT Wed Sep 9 2020

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM PDT THIS MORNING...

* WHAT...Temperatures as low as 30 will result in frost 
  formation.

* WHERE...In California, Modoc County. In Oregon, Central and 
  Eastern Lake County. Strongest winds are expected in Lake 
  County and northern and eastern Modoc County. Frost advisory 
  conditions will affect areas near Alturas, north of Davis 
  Creek to Lakeview, Silver Lake and Fort Rock.

* WHEN...For the Wind Advisory, until 11 AM PDT this morning. 
  For the Frost Advisory, from 4 AM to 8 AM PDT Wednesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

ORZ026-092100-
/O.CON.KMFR.WI.Y.0014.000000T0000Z-200909T2100Z/
Jackson County-
Including the cities of Medford and Ashland
407 AM PDT Wed Sep 9 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS
AFTERNOON...

* WHAT...East to southeast winds 20 to 30 mph with gusts up to 
  45 mph expected.

* WHERE...Southeastern Jackson County, including Ashland, 
  Talent, Phoenix, Jacksonville, and the surrounding mountains.

* WHEN...From 5 AM Tuesday to 2 PM PDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Drought-stressed trees and tree limbs could fall and power 
  outages may result.

* ADDITIONAL DETAILS...These downsloping winds will be warm and 
  very dry, with relative humidities dropping into the single 
  digits.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

ORZ021-023>025-092315-
/O.CON.KMFR.SM.Y.0001.000000T0000Z-200910T0600Z/
South Central Oregon Coast-Central Douglas County-
Eastern Curry County and Josephine County-
Eastern Douglas County Foothills-
Including the cities of Elkton, Roseburg, Sutherlin, Green, 
Myrtle Creek, and Canyonville
407 AM PDT Wed Sep 9 2020

...DENSE SMOKE ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* WHAT...Visibility one to two miles in dense smoke.

* WHERE...South Central Oregon Coast and Central Douglas County.

* WHEN...For the Heat Advisory, until 11 PM PDT this evening. 
  For the Dense Smoke Advisory, until 11 PM PDT Wednesday.

* IMPACTS...Hazardous driving conditions due to low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illnesses should remain indoors to avoid
inhaling smoke. If driving, slow down, use your headlights, and
leave plenty of distance ahead of you.

&&

$$

Visit us at https://www.weather.gov/Medford
707 
WWUS76 KMFR 091455
NPWMFR

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
755 AM PDT Wed Sep 9 2020

ORZ029-091600-
/O.EXP.KMFR.FZ.W.0009.000000T0000Z-200909T1500Z/
/O.EXP.KMFR.FR.Y.0021.000000T0000Z-200909T1500Z/
Klamath Basin-
755 AM PDT Wed Sep 9 2020

...FREEZE WARNING WILL EXPIRE AT 8 AM PDT THIS MORNING...
...FROST ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING...

Temperatures are warming this morning.

$$

ORZ030-091600-
/O.EXP.KMFR.FZ.W.0009.000000T0000Z-200909T1500Z/
/O.EXP.KMFR.FR.Y.0021.000000T0000Z-200909T1500Z/
Northern and Eastern Klamath County and Western Lake County-
Including the cities of Beatty, Chemult, Crescent, Gilchrist, 
and Sprague River
755 AM PDT Wed Sep 9 2020

...FREEZE WARNING WILL EXPIRE AT 8 AM PDT THIS MORNING...
...FROST ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING...

Temperatures are warming this morning.

$$

CAZ085-ORZ031-091600-
/O.EXP.KMFR.FR.Y.0021.000000T0000Z-200909T1500Z/
Modoc County-Central and Eastern Lake County-
Including the city of Alturas
755 AM PDT Wed Sep 9 2020

...FROST ADVISORY WILL EXPIRE AT 8 AM PDT THIS MORNING...

Temperatures are warming this morning.

$$

ORZ026-092100-
/O.CON.KMFR.WI.Y.0014.000000T0000Z-200909T2100Z/
Jackson County-
Including the cities of Medford and Ashland
755 AM PDT Wed Sep 9 2020

...WIND ADVISORY REMAINS IN EFFECT UNTIL 2 PM PDT THIS
AFTERNOON...

* WHAT...East to southeast winds 20 to 30 mph with gusts up to 
  45 mph expected.

* WHERE...Southeastern Jackson County, including Ashland, Talent,
  Phoenix, Jacksonville, and the surrounding hills and mountains.

* WHEN...From 5 AM Tuesday to 2 PM PDT Wednesday.

* IMPACTS...Gusty winds could blow around unsecured objects. 
  Drought-stressed trees and tree limbs could fall and power 
  outages may result.

* ADDITIONAL DETAILS...These downsloping winds will be warm and 
  very dry, with relative humidities dropping into the single 
  digits.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Use extra caution when driving, especially if operating a high
profile vehicle. Secure outdoor objects.

&&

$$

ORZ021-023>025-092300-
/O.CON.KMFR.SM.Y.0001.000000T0000Z-200910T0600Z/
South Central Oregon Coast-Central Douglas County-
Eastern Curry County and Josephine County-
Eastern Douglas County Foothills-
Including the cities of Elkton, Roseburg, Sutherlin, Green, 
Myrtle Creek, and Canyonville
755 AM PDT Wed Sep 9 2020

...DENSE SMOKE ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS
EVENING...

* WHAT...Visibility one to two miles in dense smoke.

* WHERE...South Central Oregon Coast and Central Douglas County
  including Roseburg...Sutherlin...and Camas Valley.

* WHEN...Until 11 PM PDT this afternoon.

* IMPACTS...Hazardous driving conditions due to low visibility.

* View the hazard area in detail at 
  https://www.wrh.noaa.gov/mfr/HAZARD

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illnesses should remain indoors to avoid
inhaling smoke. If driving, slow down, use your headlights, and
leave plenty of distance ahead of you.

&&

$$

Visit us at https://www.weather.gov/Medford

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 8, 3:23 AM PDTFreeze WarningMFRKlamath, Lake29 hr

Nearby

Frost Advisories in Oregon, 2020Frost Advisories in California, 2020Every frost advisory in 2020

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.