Alert archive / Oregon / High Surf Warnings in 2021

High Surf Warning 2, NWS Medford, OR

January 11, 2021Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this high surf warning at Jan 11, 2021, 4:30 PM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Jan 12, 2021, 1:00 AM PST. It was in force for 32 hr. 7 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Jan 11, 2021, 4:30 PM PST (00:30 UTC)
In effect from
Jan 12, 2021, 1:00 AM PST
Expired
Jan 13, 2021, 9:00 AM PST
In force
32 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 00:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Jan 12, 12:00 PM PSTHEAVY RAIN 1.78Port Orford, ORNOON TO NOON PST.
Jan 12, 12:30 PM PSTFLOODHighway 101 And 42 (Nea, ORREPORTS OF HIGH WATER ON ROADWAYS AFFECTING PORTIONS OF HIGHWAY 42 (MP 1 AND 2) AND HIGHWAY 101 (MP 237 AND 240).
Jan 12, 6:48 PM PSTHEAVY RAIN 1.521 Ne Brookings, OR6PM-6PM.
Jan 13, 5:06 AM PSTHEAVY RAIN 3.05Gold Beach, OR24 HOUR TOTAL.
Jan 13, 5:08 AM PSTNON-TSTM WND DMG3 S Bandon, ORDOWNED TREE NEAR HIGHWAY 101.
Jan 13, 8:00 AM PSTHEAVY RAIN 3.785 Ene Myrtle Creek, ORPISTOL RIVER.
Jan 13, 8:00 AM PSTHEAVY RAIN 4.746 E Gold Beach, OR24 HOUR AMOUNT. STATION ELEVATION: 2593 FT.

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

The nearest sounding before it

Medford/Jackson, OR (KMFR), launched 00:00Z, 0.5 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 00:00Z on 2021-01-12Temperature 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 2021-01-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 229 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1303 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
229 m²/s²
0-3 km storm-relative helicity
351 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

346 
WHUS46 KMFR 120030
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
430 PM PST Mon Jan 11 2021

ORZ021-022-130000-
/O.NEW.KMFR.SU.W.0002.210112T0900Z-210113T1400Z/
South Central Oregon Coast-Curry County Coast-
430 PM PST Mon Jan 11 2021

...HIGH SURF WARNING IN EFFECT FROM 1 AM TUESDAY TO 6 AM PST
WEDNESDAY...

* WHAT...Dangerously large breaking waves of 27 to 32 feet are 
  expected.

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

* WHEN...From 1 AM Tuesday to 6 AM PST Wednesday.

* IMPACTS...Extremely large breaking waves will create very 
  hazardous conditions along beaches and area shorelines. Waves 
  will inundate beaches and surge into normally dry areas. 
  Infrastructure damage and significant beach erosion can be 
  expected.

* ADDITIONAL DETAILS...Unusually high tides peaking late Tuesday
  morning into early Tuesday afternoon will greatly increase the
  possibility of flooding in low lying areas along the coast as
  seas peak. Take precautions now to protect property and stay off
  of beaches, rocks, jetties, and other structures during this
  high surf event, especially around the time of high tides.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Beaches and coastlines will become hazardous due to very large
and life-threatening surf conditions. Stay off of beaches, rocks,
jetties,piers, and other waterside infrastructure.

&&

$$
BTL
Visit us at https://www.weather.gov/Medford
5 follow-up statements
788 
WHUS46 KMFR 121002
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
202 AM PST Tue Jan 12 2021

ORZ021-022-122200-
/O.CON.KMFR.SU.W.0002.000000T0000Z-210113T1400Z/
South Central Oregon Coast-Curry County Coast-
202 AM PST Tue Jan 12 2021

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM PST WEDNESDAY...

* WHAT...Dangerously large breaking waves of 27 to 33 feet are 
  expected.

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

* WHEN...From 1 AM Tuesday to 6 AM PST Wednesday.

* IMPACTS...Extremely large breaking waves will create very 
  hazardous conditions along beaches and area shorelines. Waves 
  will inundate beaches and surge into normally dry areas. 
  Infrastructure damage and significant beach erosion can be 
  expected.

* ADDITIONAL DETAILS...Unusually high tides peaking late Tuesday 
  morning into early Tuesday afternoon will greatly increase the 
  possibility of flooding in low lying areas along the coast as 
  seas peak. Take precautions now to protect property and stay 
  off of beaches, rocks, jetties, and other structures during 
  this high surf event, especially around the time of high tides.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Beaches and coastlines will become hazardous due to very large
and life-threatening surf conditions. Stay off of beaches, rocks,
jetties,piers, and other waterside infrastructure.

&&

$$

Visit us at https://www.weather.gov/Medford
039 
WHUS46 KMFR 122156
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
156 PM PST Tue Jan 12 2021

ORZ021-022-130600-
/O.CON.KMFR.SU.W.0002.000000T0000Z-210113T1400Z/
South Central Oregon Coast-Curry County Coast-
156 PM PST Tue Jan 12 2021

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM PST WEDNESDAY...

* WHAT...Dangerously large breaking waves of 27 to 33 feet are 
  expected.

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

* WHEN...From 1 AM Tuesday to 6 AM PST Wednesday.

* IMPACTS...Extremely large breaking waves will create very 
  hazardous conditions along beaches and area shorelines. Waves 
  will inundate beaches and surge into normally dry areas. 
  Infrastructure damage and significant beach erosion can be 
  expected.

* ADDITIONAL DETAILS...Unusually high tides that peaked late this
  morning into early this afternoon have greatly increased the
  possibility of flooding in low lying areas that drain slowly
  during king tides. It is highly recommended to stay off of 
  beaches, rocks, jetties, and other structures during this high 
  surf event.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Beaches and coastlines will become hazardous due to very large
and life-threatening surf conditions. Stay off of beaches, rocks,
jetties,piers, and other waterside infrastructure.

&&

$$
BTL
Visit us at https://www.weather.gov/Medford
604 
WHUS46 KMFR 130554
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
954 PM PST Tue Jan 12 2021

ORZ021-022-131400-
/O.CON.KMFR.SU.W.0002.000000T0000Z-210113T1400Z/
South Central Oregon Coast-Curry County Coast-
954 PM PST Tue Jan 12 2021

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM PST WEDNESDAY...

* WHAT...Dangerously large breaking waves of 27 to 33 feet are 
  expected.

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

* WHEN...From 1 AM Tuesday to 6 AM PST Wednesday.

* IMPACTS...Extremely large breaking waves will create very 
  hazardous conditions along beaches and area shorelines. Waves 
  will inundate beaches and surge into normally dry areas. 
  Infrastructure damage and significant beach erosion can be 
  expected.

* ADDITIONAL DETAILS...Unusually high tides that peaked late 
  this morning into early this afternoon have greatly increased 
  the possibility of flooding in low lying areas that drain 
  slowly during king tides. It is highly recommended to stay off 
  of beaches, rocks, jetties, and other structures during this 
  high surf event.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Beaches and coastlines will become hazardous due to very large
and life-threatening surf conditions. Stay off of beaches, rocks,
jetties,piers, and other waterside infrastructure.

&&

$$

Visit us at https://www.weather.gov/Medford
511 
WHUS46 KMFR 130939
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
139 AM PST Wed Jan 13 2021

ORZ021-022-131700-
/O.EXT.KMFR.SU.W.0002.000000T0000Z-210113T1700Z/
South Central Oregon Coast-Curry County Coast-
139 AM PST Wed Jan 13 2021

...HIGH SURF WARNING NOW IN EFFECT UNTIL 9 AM PST THIS MORNING...

* WHAT...Dangerously large breaking waves of 24 to 29 feet are 
  expected this morning.

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

* WHEN...Until 9 AM PST this morning.

* IMPACTS...Extremely large breaking waves will create very 
  hazardous conditions along beaches and area shorelines. Waves 
  will inundate beaches and surge into normally dry areas. 
  Infrastructure damage and significant beach erosion can be 
  expected.

* ADDITIONAL DETAILS...Unusually high tides that peaked late 
  this morning into early this afternoon have greatly increased 
  the possibility of flooding in low lying areas that drain 
  slowly during king tides. It is highly recommended to stay off 
  of beaches, rocks, jetties, and other structures during this 
  high surf event.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Beaches and coastlines will become hazardous due to very large
and life-threatening surf conditions. Stay off of beaches, rocks,
jetties,piers, and other waterside infrastructure.

&&

$$

Visit us at https://www.weather.gov/Medford
224 
WHUS46 KMFR 131710
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
910 AM PST Wed Jan 13 2021

ORZ021-022-131815-
/O.EXP.KMFR.SU.W.0002.000000T0000Z-210113T1700Z/
South Central Oregon Coast-Curry County Coast-
910 AM PST Wed Jan 13 2021

...HIGH SURF WARNING HAS EXPIRED...

High surf is gradually subsiding this morning. With another king
tide expected along the coast around noon local time today, please
continue to use extra caution along and near the coast this
morning through the early afternoon, as beaches are still likely
to be inundated more than usual and some minor coastal flooding 
is still possible. Surf is likely to generally subside 
substantially with the tide this afternoon. 

$$
~BTL
Visit us at https://www.weather.gov/Medford

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 12, 2:09 AM PSTStorm WarningMFR23 hr
Jan 12, 11:01 AM PSTRiver Flood WatchMFRCoos, Curry, Douglas19 hr
Jan 12, 12:55 PM PSTAreal Flood AdvisoryMFRCoos, Curry, Douglas, Josephine20 hr
Jan 12, 3:35 PM PSTSmall Craft AdvisoryMFR42 hr
Jan 12, 3:35 PM PSTHazardous Seas WarningMFR17 hr

Nearby

High Surf Warnings in Oregon, 2021Every high surf warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.