Alert archive / California / Flash Flood Watches in 2021

Flash Flood Watch 2, NWS Medford, OR

October 22, 2021Siskiyou County, California

NWS Medford, OR issued this flash flood watch at Oct 22, 2021, 12:05 PM PDT for Siskiyou County, California. It took effect at Oct 24, 2021, 2:00 AM PDT. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Oct 22, 2021, 12:05 PM PDT (19:05 UTC)
In effect from
Oct 24, 2021, 2:00 AM PDT
Expired
Oct 24, 2021, 11:00 PM PDT
In force
21 hr
Issued by
NWS Medford, OR
Flood severity
None

County Siskiyou County, CA

The radar

The Medford radar (KMAX), 56 km from the middle of the area, began a volume at 19:07 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, 7.1 hours before the alert went out and 89 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 2021-10-22Temperature 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 2021-10-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 101 square meters per square second.1939587897Sfc1 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
652 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
101 m²/s²
0-3 km storm-relative helicity
64 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

679 
WGUS66 KMFR 221905
FFAMFR

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Medford OR
1205 PM PDT Fri Oct 22 2021

CAZ080-230715-
/O.NEW.KMFR.FF.A.0002.211024T0900Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Siskiyou County-
1205 PM PDT Fri Oct 22 2021

...FLASH FLOOD WATCH FOR THE RIVER COMPLEX BURN SCAR IN EFFECT FROM 
LATE SATURDAY NIGHT THROUGH SUNDAY AFTERNOON...

The National Weather Service in Medford has issued a

* Flash Flood Watch for the River Complex burn scar in a portion of 
  northern California, including the following area, Western 
  Siskiyou County.

* From late Saturday night through Sunday afternoon.

* Due to the potential for rainfall rates exceeding 0.75 inches an 
  hour over burned areas.

* Rapid rises in rivers and creeks is possible, along with mudslides 
  and debris flows that could block area roads and damage buildings 
  and other infrastructure.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

Local emergency services are monitoring the situation and will issue 
a public statement as conditions warrant. PLAN NOW so you will know 
what to do in an emergency. Keep informed by listening to local 
radio and television for statements and possible warnings. Follow 
the advice of public safety officials.

&&

$$

BPN
8 follow-up statements
059 
WGUS66 KMFR 221906
FFAMFR

Flood Watch
National Weather Service Medford OR
1206 PM PDT Fri Oct 22 2021

CAZ080-231200-
/O.CON.KMFR.FF.A.0002.211024T0900Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Siskiyou County-
1206 PM PDT Fri Oct 22 2021

...FLASH FLOOD WATCH FOR THE RIVER COMPLEX BURN SCAR REMAINS IN 
EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY AFTERNOON...

The Flash Flood Watch continues for

* The River Complex burn scar in a portion of northern California, 
  including the following area, Western Siskiyou County.

* From late Saturday night through Sunday afternoon.

* Due to the potential for rainfall rates exceeding 0.75 inches an 
  hour over burned areas.

* Rapid rises in rivers and creeks is possible, along with mudslides 
  and debris flows that could block area roads and damage buildings 
  and other infrastructure.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

Local emergency services are monitoring the situation and will issue 
a public statement as conditions warrant. PLAN NOW so you will know 
what to do in an emergency. Keep informed by listening to local 
radio and television for statements and possible warnings. Follow 
the advice of public safety officials.

&&

$$

BPN
684 
WGUS66 KMFR 221919
FFAMFR

Flood Watch
National Weather Service Medford OR
1219 PM PDT Fri Oct 22 2021

CAZ080-231200-
/O.CON.KMFR.FF.A.0002.211024T0900Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Siskiyou County-
Including the cities of Happy Camp
1219 PM PDT Fri Oct 22 2021

...FLASH FLOOD WATCH FOR THE MCCASH BURN SCAR REMAINS IN EFFECT FROM 
LATE SATURDAY NIGHT THROUGH SUNDAY AFTERNOON...

The Flash Flood Watch continues for

* The McCash burn scar in a portion of northern California, 
  including the following area, Western Siskiyou County.

* From late Saturday night through Sunday afternoon.

* Due to the potential for rainfall rates exceeding 0.75 inches an 
  hour.

* Rapid rises in rivers and creeks is possible, along with mudslides 
  and debris flows that could block area roads and damage buildings 
  and other infrastructure.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

Local emergency services are monitoring the situation and will issue 
a public statement as conditions warrant. PLAN NOW so you will know 
what to do in an emergency. Keep informed by listening to local 
radio and television for statements and possible warnings. Follow 
the advice of public safety officials.

&&

$$

BPN
981 
WGUS66 KMFR 221928
FFAMFR

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Medford OR
1228 PM PDT Fri Oct 22 2021

CAZ083-231200-
/O.EXB.KMFR.FF.A.0002.211024T0900Z-211025T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North Central and Southeast Siskiyou County-
1228 PM PDT Fri Oct 22 2021

...FLASH FLOOD WATCH IN EFFECT FROM LATE SATURDAY NIGHT THROUGH 
SUNDAY EVENING FOR THE WHITNEY CREK DRAINAGE...

The National Weather Service in Medford has expanded the

* Flash Flood Watch to include a portion of northern California, 
  including the following area, North Central and Southeast Siskiyou 
  County.

* From late Saturday night through Sunday evening.

* Due to heavy rain and snow/ice melt over recently burned areas. 

* High water, mud, and debris may threaten US 97 where it crosses 
  Whitney Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$

CAZ080-231200-
/O.CON.KMFR.FF.A.0002.211024T0900Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Siskiyou County-
Including the cities of Happy Camp
1228 PM PDT Fri Oct 22 2021

...FLASH FLOOD WATCH FOR THE MCCASH AND RIVER COMPLEX BURN SCARS 
REMAINS IN EFFECT FROM LATE SATURDAY NIGHT THROUGH SUNDAY 
AFTERNOON...

The Flash Flood Watch continues for

* The McCash burn scar in a portion of northern California, 
  including the following area, Western Siskiyou County.

* From late Saturday night through Sunday afternoon.

* Due to the potential for rainfall rates exceeding 0.75 inches an 
  hour.

* Rapid rises in rivers and creeks is possible, along with mudslides 
  and debris flows that could block area roads and damage buildings 
  and other infrastructure.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

Local emergency services are monitoring the situation and will issue 
a public statement as conditions warrant. PLAN NOW so you will know 
what to do in an emergency. Keep informed by listening to local 
radio and television for statements and possible warnings. Follow 
the advice of public safety officials.

&&

$$

BPN
888 
WGUS66 KMFR 231146
FFAMFR

URGENT - IMMEDIATE BROADCAST REQUESTED
Flood Watch
National Weather Service Medford OR
446 AM PDT Sat Oct 23 2021

CAZ080-240000-
/O.NEW.KMFR.FA.A.0004.211024T0900Z-211025T0000Z/
/O.CON.KMFR.FF.A.0002.211024T0900Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
Happy Camp, Scott Bar, and Somes Bar
446 AM PDT Sat Oct 23 2021

...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
AFTERNOON...
...FLASH FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY AFTERNOON...

The National Weather Service in Medford has issued a

* Flood Watch for Western Siskiyou County in Northern California.
 
* From late tonight through Sunday afternoon.

* Periods of moderate to heavy rainfall are expected late tonight
  into Sunday afternoon resulting in additional rainfall amounts
  of 2 to 3 inches across western Siskiyou County. This rain, 
  combined with recent heavy rains and some snowmelt is expected 
  to bring quick rise on areas streams and creeks.

* Small streams and creeks could reach bankfull or even flood during 
  this time period. Areas with poor drainage could see significant 
  ponding of water in low lying areas. No main stem river flooding 
  is expected at this time. Land slides and rock falls will be 
  possible during this time of moderate to heavy rain.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

Landslides and debris flows are possible during this flood
event. People, structures and roads located below steep slopes,
in canyons and near the mouths of canyons may be at serious risk
from rapidly moving landslides.

&&

The Flash Flood Watch continues for

* Wildfire burn scar areas in Western Siskiyou County including 
  areas in and around the McCash and River Complex wildfire burn 
  scars. 

* From late tonight through Sunday afternoon

* Due to the potential for rainfall rates exceeding 0.75 inches 
  an hour. 

* Rapid rises in rivers and creeks is possible, along with 
  mudslides and debris flows that could block area roads and 
  damage buildings and other infrastructure. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

Local emergency services are monitoring the situation and will
issue a public statement as conditions warrant. PLAN NOW so you
will know what to do in an emergency. Keep informed by listening
to local radio and television for statements and possible
warnings. Follow the advice of public safety officials.

&&

$$

CAZ082-240000-
/O.NEW.KMFR.FA.A.0004.211024T0900Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
South Central Siskiyou County-
Including the cities of Dunsmuir, McCloud, and Mount Shasta
446 AM PDT Sat Oct 23 2021

...FLOOD WATCH IN EFFECT FROM LATE TONIGHT THROUGH SUNDAY
AFTERNOON...

The National Weather Service in Medford has issued a

* Flood Watch South Central Siskiyou County in northern California.
 
* From late tonight through Sunday afternoon

* Periods of moderate to heavy rainfall are expected late tonight
  into Sunday afternoon resulting in additional rainfall amounts
  of 2 to 3 inches. This rain, combined with recent heavy rains is
  expected to bring quick rise on areas streams and creeks.

* Small streams and creeks could reach bankfull or even flood during 
  this time period. Areas with poor drainage could see significant 
  ponding of water in low lying areas. No main stem river flooding 
  is expected at this time. Land slides and rock falls will be 
  possible during this time of moderate to heavy rain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

Landslides and debris flows are possible during this flood
event. People, structures and roads located below steep slopes,
in canyons and near the mouths of canyons may be at serious risk
from rapidly moving landslides.

&&

$$

CAZ083-240000-
/O.CON.KMFR.FF.A.0002.211024T0900Z-211025T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North Central and Southeast Siskiyou County-
446 AM PDT Sat Oct 23 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SUNDAY EVENING...

The Flash Flood Watch continues for

* A portion of Eastern Siskiyou County in northern California,
  including Whitney Creek and Highway 97 near Whitney Creek. 

* From late tonight through Sunday evening

* Due to heavy rain and snow/ice melt over recently burned areas.

* High water, mud, and debris may threaten US 97 where it 
  crosses Whitney Creek. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$
147 
WGUS66 KMFR 232232
FFAMFR

Flood Watch
National Weather Service Medford OR
332 PM PDT Sat Oct 23 2021

CAZ080-241230-
/O.CON.KMFR.FA.A.0004.211024T0900Z-211025T0000Z/
/O.CON.KMFR.FF.A.0002.211024T0900Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
Happy Camp, Scott Bar, and Somes Bar
332 PM PDT Sat Oct 23 2021

...FLOOD WATCH REMAINS IN EFFECT FROM 2 AM PDT SUNDAY THROUGH
SUNDAY AFTERNOON...
...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 2 AM PDT SUNDAY
THROUGH SUNDAY AFTERNOON...

The Flood Watch continues for

* Western Siskiyou County in northern California. 

* From 2 AM PDT Sunday through Sunday afternoon.

* Periods of moderate to heavy rainfall are expected late tonight
  into Sunday afternoon resulting in additional rainfall amounts
  of 2 to 3 inches across western Siskiyou County. This rain,
  combined with recent heavy rains and some snowmelt is expected
  to bring quick rise on areas streams and creeks.

* Small streams and creeks could reach bankfull or even flood
  during this time period. Areas with poor drainage could see
  significant ponding of water in low lying areas. No main stem
  river flooding is expected at this time. Land slides and rock
  falls will be possible during this time of moderate to heavy
  rain.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

Landslides and debris flows are possible during this flood event.
People, structures and roads located below steep slopes, in
canyons and near the mouths of canyons may be at serious risk
from rapidly moving landslides.

&&

The Flash Flood Watch continues for

* Wildfire burn scar areas in Western Siskiyou County including 
  areas in and around the McCash and River Complex wildfire burn 
  scars. 

* From late tonight through Sunday afternoon, with the most
  intense rainfall rates late tonight into Sunday morning.

* Due to the potential for rainfall rates exceeding 0.75 inches 
  an hour. 

* Rapid rises in rivers and creeks is possible, along with 
  mudslides and debris flows that could block area roads and 
  damage buildings and other infrastructure. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

Local emergency services are monitoring the situation and will
issue a public statement as conditions warrant. PLAN NOW so you
will know what to do in an emergency. Keep informed by listening
to local radio and television for statements and possible
warnings. Follow the advice of public safety officials.

&&

$$

CAZ083-241230-
/O.CON.KMFR.FF.A.0002.211024T0900Z-211025T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North Central and Southeast Siskiyou County-
332 PM PDT Sat Oct 23 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT FROM 2 AM PDT SUNDAY
THROUGH SUNDAY EVENING...

The Flash Flood Watch continues for

* A portion of Eastern Siskiyou County in northern California,
  including Whitney Creek and Highway 97 near Whitney Creek. 

* From 2 AM PDT Sunday through Sunday evening, with the most
  intense rainfall rates late tonight through Sunday morning.

* Due to heavy rain and snow/ice melt over recently burned areas.

* High water, mud, and debris may threaten US 97 where it 
  crosses Whitney Creek. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$

CAZ082-241230-
/O.CON.KMFR.FA.A.0004.211024T0900Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
South Central Siskiyou County-
Including the cities of Dunsmuir, McCloud, and Mount Shasta
332 PM PDT Sat Oct 23 2021

...FLOOD WATCH REMAINS IN EFFECT FROM 2 AM PDT SUNDAY THROUGH
SUNDAY AFTERNOON...

The Flood Watch continues for

* South Central Siskiyou County in northern California.
 
* From late tonight through Sunday afternoon, with the most
  intense rainfall rates late tonight through Sunday morning.

* Periods of moderate to heavy rainfall are expected late tonight
  into Sunday afternoon resulting in additional rainfall amounts
  of 2 to 3 inches. This rain, combined with recent heavy rains is
  expected to bring quick rise on areas streams and creeks.

* Small streams and creeks could reach bankfull or even flood during 
  this time period. Areas with poor drainage could see significant 
  ponding of water in low lying areas. No main stem river flooding 
  is expected at this time. Land slides and rock falls will be 
  possible during this time of moderate to heavy rain. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

Landslides and debris flows are possible during this flood event.
People, structures and roads located below steep slopes, in
canyons and near the mouths of canyons may be at serious risk
from rapidly moving landslides.

&&

$$
330 
WGUS66 KMFR 241052
FFAMFR

Flood Watch
National Weather Service Medford OR
352 AM PDT Sun Oct 24 2021

CAZ080-250000-
/O.CON.KMFR.FA.A.0004.000000T0000Z-211025T0000Z/
/O.CON.KMFR.FF.A.0002.000000T0000Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Siskiyou County-
Including the cities of Callahan, Etna, Fort Jones, Greenview, 
Happy Camp, Scott Bar, and Somes Bar
352 AM PDT Sun Oct 24 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...
...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...

The Flood Watch continues for

* Western Siskiyou County in northern California. 

* Through this afternoon

* Periods of moderate to heavy rainfall are expected into this
  afternoon resulting in additional rainfall amounts of 1 to 2 
  inches across western Siskiyou County. This rain, combined with 
  recent heavy rains and some snowmelt is expected to bring quick 
  rise on areas streams and creeks.

* Small streams and creeks could reach bankfull or even flood
  during this time period. Areas with poor drainage could see
  significant ponding of water in low lying areas. No main stem
  river flooding is expected at this time. Land slides and rock
  falls will be possible during this time of moderate to heavy
  rain. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

Landslides and debris flows are possible during this flood event.
People, structures and roads located below steep slopes, in
canyons and near the mouths of canyons may be at serious risk
from rapidly moving landslides.

&&

The Flash Flood Watch continues for

* Wildfire burn scar areas in Western Siskiyou County including 
  areas in and around the McCash and River Complex wildfire burn 
  scars. 

* Through this afternoon, with the most intense rainfall rates
  this morning.

* Due to the potential for rainfall rates exceeding 0.75 inches 
  an hour. 

* Rapid rises in rivers and creeks is possible, along with 
  mudslides and debris flows that could block area roads and 
  damage buildings and other infrastructure. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

Landslides and debris flows are possible during this flood event.
People, structures and roads located below steep slopes, in
canyons and near the mouths of canyons may be at serious risk
from rapidly moving landslides.

&&


$$

CAZ083-250000-
/O.CON.KMFR.FF.A.0002.000000T0000Z-211025T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North Central and Southeast Siskiyou County-
352 AM PDT Sun Oct 24 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH THIS EVENING...

The Flash Flood Watch continues for

* A portion of Eastern Siskiyou County in northern California,
  including Whitney Creek and Highway 97 near Whitney Creek.  

* Through this evening

* Due to heavy rain and snow/ice melt over recently burned areas.

* High water, mud, and debris may threaten US 97 where it 
  crosses Whitney Creek. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.

&&

$$

CAZ082-250000-
/O.CON.KMFR.FA.A.0004.000000T0000Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
South Central Siskiyou County-
Including the cities of Dunsmuir, McCloud, and Mount Shasta
352 AM PDT Sun Oct 24 2021

...FLOOD WATCH REMAINS IN EFFECT THROUGH THIS AFTERNOON...

The Flood Watch continues for

* South Central Siskiyou County in northern California.

* Through this afternoon

* Periods of moderate to heavy rainfall are expected into this 
  afternoon resulting in additional rainfall amounts of 2 to 3 
  inches. This rain, combined with recent heavy rains is expected 
  to bring quick rise on areas streams and creeks. 

* Small streams and creeks could reach bankfull or even flood 
  during this time period. Areas with poor drainage could see 
  significant ponding of water in low lying areas. No main stem 
  river flooding is expected at this time. Land slides and rock 
  falls will be possible during this time of moderate to heavy 
  rain. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flood Watch means there is a potential for flooding based on
current forecasts.

You should monitor later forecasts and be alert for possible
Flood Warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.

Landslides and debris flows are possible during this flood event.
People, structures and roads located below steep slopes, in
canyons and near the mouths of canyons may be at serious risk
from rapidly moving landslides.

&&

$$
941 
WGUS66 KMFR 242344
FFAMFR

Flood Watch
National Weather Service Medford OR
444 PM PDT Sun Oct 24 2021

CAZ080-250045-
/O.EXP.KMFR.FA.A.0004.000000T0000Z-211025T0000Z/
/00000.0.UU.000000T0000Z.000000T0000Z.000000T0000Z.OO/
/O.EXP.KMFR.FF.A.0002.000000T0000Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Western Siskiyou County-
Including the cities of Seiad Valley, Scott Bar, Fort Jones, Happy 
Camp, Callahan, Etna, Greenview, and Somes Bar
444 PM PDT Sun Oct 24 2021

...FLOOD WATCH WILL EXPIRE AT 5 PM PDT THIS AFTERNOON...
...FLASH FLOOD WATCH FOR THE MCCASH BURN SCAR WILL EXPIRE AT 5 PM 
PDT THIS AFTERNOON...

The Flood Watch for a portion of northern California, including the 
following area, Western Siskiyou County will expire at 5 PM PDT this 
afternoon.

Periods of rain will continue this evening, but the heaviest rain 
has passed and flooding is no longer expected to pose a threat. 
Please continue to heed road closures.

The Flash Flood Watch for a portion of northern California, 
including the following area, Western Siskiyou County will expire at 
5 PM PDT this afternoon.

Periods of rain will continue this evening, but the heaviest rain 
has passed and flooding is no longer expected to pose a threat. 
Please continue to heed road closures.

$$

CAZ082-250045-
/O.EXP.KMFR.FA.A.0004.000000T0000Z-211025T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
South Central Siskiyou County-
Including the cities of McCloud, Dunsmuir, and Mount Shasta
444 PM PDT Sun Oct 24 2021

...FLOOD WATCH WILL EXPIRE AT 5 PM PDT THIS AFTERNOON...

The Flood Watch for a portion of northern California, including the 
following area, South Central Siskiyou County will expire at 5 PM 
PDT this afternoon.

Periods of rain will continue this evening, but the heaviest rain 
has passed and flooding is no longer expected to pose a threat. 
Please continue to heed road closures.

$$

CAZ083-250600-
/O.CON.KMFR.FF.A.0002.000000T0000Z-211025T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North Central and Southeast Siskiyou County-
Including the cities of Bray, Tennant, and Pondosa
444 PM PDT Sun Oct 24 2021

...FLASH FLOOD WATCH REMAINS IN EFFECT UNTIL 11 PM PDT THIS 
EVENING...

The Flash Flood Watch continues for

* A portion of northern California, including the following area, 
  North Central and Southeast Siskiyou County.

* Until 11 PM PDT this evening.

* Due to heavy rain and snow/ice melt over recently burned areas. 

* High water, mud, and debris may threaten US 97 where it crosses 
  Whitney Creek.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

You should monitor later forecasts and be prepared to take action 
should Flash Flood Warnings be issued.

&&

$$
739 
WGUS66 KMFR 250551
FFAMFR

Flood Watch
National Weather Service Medford OR
1051 PM PDT Sun Oct 24 2021

CAZ083-250700-
/O.EXP.KMFR.FF.A.0002.000000T0000Z-211025T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
North Central and Southeast Siskiyou County-
Including the cities of Bray, Tennant, and Pondosa
1051 PM PDT Sun Oct 24 2021

...FLASH FLOOD WATCH WILL EXPIRE AT 11 PM PDT THIS EVENING...

The Flash Flood Watch for a portion of northern California, 
including Whitney Creek and Highway 97 near Whitney Creek in Eastern 
Siskiyou County, will expire at 11 PM PDT this evening.

The risk for high water, mud, and debris along US Highway 97 where 
it crosses Whitney Creek has diminished. Flooding is no longer 
expected to pose a threat. Please continue to heed remaining road 
closures.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 22, 4:25 AM PDTFlash Flood WarningMFRSiskiyou2 hr
Oct 22, 2:59 PM PDTHigh Wind WarningMFRModoc, Siskiyou56 hr
Oct 22, 2:59 PM PDTWind AdvisoryMFRModoc56 hr

Nearby

Flash Flood Watches in California, 2021Every flash flood watch in 2021

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.