Alert archive / Oregon / High Surf Warnings in 2021
High Surf Warning 1, NWS Medford, OR
NWS Medford, OR issued this high surf warning at Jan 8, 2021, 2:56 PM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Jan 10, 2021, 1:00 AM PST. It was in force for 21 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 8, 2021, 2:56 PM PST (22:56 UTC)
- In effect from
- Jan 10, 2021, 1:00 AM PST
- Expired
- Jan 10, 2021, 10:00 PM PST
- In force
- 21 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 22:53 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, 10.9 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 833 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
022 WHUS46 KMFR 082256 CFWMFR Coastal Hazard Message National Weather Service Medford OR 256 PM PST Fri Jan 8 2021 ORZ021-022-090700- /O.NEW.KMFR.SU.W.0001.210110T0900Z-210111T0600Z/ /O.CON.KMFR.SU.Y.0001.000000T0000Z-210109T0600Z/ South Central Oregon Coast-Curry County Coast- 256 PM PST Fri Jan 8 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... ...HIGH SURF WARNING IN EFFECT FROM 1 AM TO 10 PM PST SUNDAY... * WHAT... For the High Surf Advisory, breaking waves of 20 to 25 feet. For the High Surf Warning, large breaking waves of 25 to 27 feet. * WHERE...Beaches along the South Central Oregon Coast, including the beaches of Curry, Coos, and Douglas Counties. * WHEN... For the High Surf Advisory, until 10 PM PST this evening. For the High Surf Warning, from 1 AM to 10 PM PST Sunday. * IMPACTS...Large breaking waves will create hazardous conditions along beaches and area shorelines. Combined with high king tides, waves will inundate beaches and surge into normally dry areas around Harbor, OR. Beach erosion can be expected. * 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. && $$ Visit us at https://www.weather.gov/Medford
7 follow-up statements
460 WHUS46 KMFR 090553 CFWMFR Coastal Hazard Message National Weather Service Medford OR 953 PM PST Fri Jan 8 2021 ORZ021-022-092300- /O.EXP.KMFR.SU.Y.0001.000000T0000Z-210109T0600Z/ /O.CON.KMFR.SU.W.0001.210110T0900Z-210111T0600Z/ South Central Oregon Coast-Curry County Coast- 953 PM PST Fri Jan 8 2021 ...HIGH SURF WARNING REMAINS IN EFFECT FROM 1 AM TO 10 PM PST SUNDAY... ...HIGH SURF ADVISORY WILL EXPIRE AT 10 PM PST THIS EVENING... * WHAT...Dangerously large breaking waves of 23 to 27 ft. * WHERE...Beaches along the South Central Oregon Coast, including the beaches of Curry, Coos, and Douglas Counties. * WHEN...From 1 AM to 10 PM PST Sunday. * IMPACTS...Extremely large breaking waves will create very hazardous conditions along beaches and area shorelines. Waves will inundate beaches and surge into normally dry areas. Infrastructure damage and significant beach erosion can be expected. * ADDITIONAL DETAILS...The occurrence of high tides combined with these large breaking waves could lead to areas of coastal flooding. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Use extreme caution along and near the beaches and stay away from the ocean. Jetties, rocks, logs and bar entrances are not safe places to be during this period of significant waves. The Pacific Ocean is both cold and powerful. These large waves can easily sweep people and large objects into the water. NEVER turn your back on the ocean! && $$ Visit us at https://www.weather.gov/Medford
069 WHUS46 KMFR 092157 CFWMFR Coastal Hazard Message National Weather Service Medford OR 157 PM PST Sat Jan 9 2021 ORZ021-022-101200- /O.CON.KMFR.SU.W.0001.210110T0900Z-210111T0600Z/ South Central Oregon Coast-Curry County Coast- 157 PM PST Sat Jan 9 2021 ...HIGH SURF WARNING REMAINS IN EFFECT FROM 1 AM TO 10 PM PST SUNDAY... * WHAT...Large breaking waves of 25 to 27 feet. * WHERE...Beaches along the South Central Oregon Coast, including the beaches of Curry, Coos, and Douglas Counties. * WHEN...From 1 AM to 10 PM PST Sunday. * IMPACTS...Large breaking waves will create very hazardous conditions along beaches and area shorelines due to unusually long wave runup. Waves will inundate beaches and surge into normally dry areas. Beach erosion can be expected. * ADDITIONAL DETAILS...The occurrence of high tides combined with these large breaking waves could lead to areas of coastal flooding near Harbor OR and just south of North Bend near Highway 101. * 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. && $$ Visit us at https://www.weather.gov/Medford
629 WHUS46 KMFR 101200 CFWMFR Coastal Hazard Message National Weather Service Medford OR 400 AM PST Sun Jan 10 2021 ORZ021-022-110000- /O.CON.KMFR.SU.W.0001.000000T0000Z-210111T0600Z/ South Central Oregon Coast-Curry County Coast- 400 AM PST Sun Jan 10 2021 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Large breaking waves of 25 to 27 feet. * WHERE...Beaches along the South Central Oregon Coast, including the beaches of Curry, Coos, and Douglas Counties. * WHEN...From 1 AM to 10 PM PST Sunday. * IMPACTS...Large breaking waves will create very hazardous conditions along beaches and area shorelines due to unusually long wave runup. Waves will inundate beaches and surge into normally dry areas. Beach erosion can be expected. * ADDITIONAL DETAILS...The occurrence of high tides combined with these large breaking waves could lead to areas of coastal flooding near Harbor OR and just south of North Bend near Highway 101 this morning. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Beaches and coastlines will become hazardous due to very large and life-threatening surf conditions. Stay off of beaches, rocks, jetties,piers, and other waterside infrastructure. && $$ Visit us at https://www.weather.gov/Medford
945 WHUS46 KMFR 101652 CFWMFR Coastal Hazard Message National Weather Service Medford OR 852 AM PST Sun Jan 10 2021 ORZ021-022-102000- /O.NEW.KMFR.CF.Y.0001.210110T1652Z-210110T2000Z/ /O.CON.KMFR.SU.W.0001.000000T0000Z-210111T0600Z/ South Central Oregon Coast-Curry County Coast- 852 AM PST Sun Jan 10 2021 ...COASTAL FLOOD ADVISORY IN EFFECT UNTIL NOON PST TODAY... ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...For the High Surf Warning, dangerously large breaking waves of 25 to 27 feet. For the Coastal Flood Advisory, minor coastal flooding with up to one half foot inundation above ground level in low-lying areas and tidal waterways. * WHERE...South Central Oregon Coast and Curry County Coast. * WHEN...For the High Surf Warning, until 10 PM PST this evening. For the Coastal Flood Advisory, until noon PST today. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. 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...High tide this morning combined with these large breaking waves will lead to coastal flooding of low-lying areas Cape Arago Highway near Sunset Bay, near Gold Beach, Pistol River and Harbor and perhaps some other low-lying areas along Highway 101. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. 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. && $$ Visit us at https://www.weather.gov/Medford
585 WHUS46 KMFR 101951 CFWMFR Coastal Hazard Message National Weather Service Medford OR 1151 AM PST Sun Jan 10 2021 ORZ021-022-102100- /O.EXP.KMFR.CF.Y.0001.000000T0000Z-210110T2000Z/ /O.CON.KMFR.SU.W.0001.000000T0000Z-210111T0600Z/ South Central Oregon Coast-Curry County Coast- 1151 AM PST Sun Jan 10 2021 ...COASTAL FLOOD ADVISORY WILL EXPIRE AT NOON PST TODAY... ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...For the Coastal Flood Advisory, minor coastal flooding with up to one half foot inundation above ground level in low- lying areas and tidal waterways. For the High Surf Warning, dangerously large breaking waves of 25 to 27 feet. * WHERE...South Central Oregon Coast and Curry County Coast. * WHEN...For the Coastal Flood Advisory, until noon PST today. For the High Surf Warning, until 10 PM PST this evening. * IMPACTS...Flooding of lots, parks, and roads with only isolated road closures expected. Extremely large breaking waves will create very hazardous conditions along beaches and area shorelines. Waves will inundate beaches and surge into normally dry areas. Infrastructure damage and significant beach erosion can be expected. * ADDITIONAL DETAILS...High tide this morning combined with these large breaking waves will lead to coastal flooding of low-lying areas Cape Arago Highway near Sunset Bay, near Gold Beach, Pistol River and Harbor and perhaps some other low-lying areas along Highway 101. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property. Beaches and coastlines will become hazardous due to very large and life-threatening surf conditions. Stay off of beaches, rocks, jetties,piers, and other waterside infrastructure. && $$ Visit us at https://www.weather.gov/Medford
538 WHUS46 KMFR 102011 CFWMFR Coastal Hazard Message National Weather Service Medford OR 1211 PM PST Sun Jan 10 2021 ORZ021-022-110600- /O.CON.KMFR.SU.W.0001.000000T0000Z-210111T0600Z/ South Central Oregon Coast-Curry County Coast- 1211 PM PST Sun Jan 10 2021 ...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...For the High Surf Warning, dangerously large breaking waves of 25 to 27 feet. * WHERE...South Central Oregon Coast and Curry County Coast. * WHEN...For the High Surf Warning, until 10 PM PST this evening. * 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. * 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. && $$ Visit us at https://www.weather.gov/Medford
699 WHUS46 KMFR 110537 CFWMFR Coastal Hazard Message National Weather Service Medford OR 937 PM PST Sun Jan 10 2021 ORZ021-022-110645- /O.EXP.KMFR.SU.W.0001.000000T0000Z-210111T0600Z/ South Central Oregon Coast-Curry County Coast- 937 PM PST Sun Jan 10 2021 ...HIGH SURF WARNING WILL EXPIRE AT 10 PM PST THIS EVENING... Seas will continue to lower overnight and surf heights will fall below hazardous levels through Monday. However, another long period swell arrives Tuesday morning, likely resulting in another period of hazardous surf conditions. $$ Visit us at https://www.weather.gov/Medford
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 8:22 PM PST | Dense Fog Advisory | MFR | Jackson | 117 min |
| Jan 8, 3:19 PM PST | Hazardous Seas Warning | MFR | 55 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.