Alert archive / Oregon / High Surf Advisories in 2021
High Surf Advisory 4, NWS Medford, OR
NWS Medford, OR issued this high surf advisory at Feb 24, 2021, 2:03 PM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Feb 26, 2021, 4:00 AM PST. It was in force for 18 hr.
The area
The counties it named.
The facts
- Issued
- Feb 24, 2021, 2:03 PM PST (22:03 UTC)
- In effect from
- Feb 26, 2021, 4:00 AM PST
- Expired
- Feb 26, 2021, 10:00 PM PST
- In force
- 18 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 22:05 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, 10.1 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
- 954 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 24 m²/s²
- 0-3 km storm-relative helicity
- 71 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
394 WHUS46 KMFR 242203 CFWMFR Coastal Hazard Message National Weather Service Medford OR 203 PM PST Wed Feb 24 2021 ORZ021-022-251200- /O.NEW.KMFR.SU.Y.0004.210226T1200Z-210227T0600Z/ South Central Oregon Coast-Curry County Coast- 203 PM PST Wed Feb 24 2021 ...HIGH SURF ADVISORY IN EFFECT FROM 4 AM TO 10 PM PST FRIDAY... * WHAT...Large breaking waves of 20 to 25 feet. * WHERE...All area beaches along the southern Oregon Coast, including the beaches of Coos, Curry and Douglas Counties. * WHEN...From 4 AM to 10 PM PST Friday. * IMPACTS...Large breaking waves will create hazardous conditions along and within the surf zone, and could inundate beaches and low lying shorelines. Beach erosion is possible, and exposed infrastructure may be damaged. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from the surf zone and off of jetties. Area beaches may become hazardous due to dangerous surf conditions. && $$ Visit us at https://www.weather.gov/Medford
5 follow-up statements
504 WHUS46 KMFR 251032 CFWMFR Coastal Hazard Message National Weather Service Medford OR 232 AM PST Thu Feb 25 2021 ORZ021-022-260000- /O.EXT.KMFR.SU.Y.0004.210226T1200Z-210227T0000Z/ South Central Oregon Coast-Curry County Coast- 232 AM PST Thu Feb 25 2021 ...HIGH SURF ADVISORY NOW IN EFFECT FROM 4 AM TO 4 PM PST FRIDAY... * WHAT...Large breaking waves of 20 to 25 feet. * WHERE...All area beaches along the southern Oregon Coast, including the beaches of Coos, Curry and Douglas Counties. Highest surf conditions are expected along the coast from Port Orford northward. * WHEN...From 4 AM to 4 PM PST Friday. * IMPACTS...Large breaking waves will create hazardous conditions along and within the surf zone, and could inundate beaches and low lying shorelines. Beach erosion is possible, and exposed infrastructure may be damaged. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from the surf zone and off of jetties. Area beaches may become hazardous due to dangerous surf conditions. && $$ Visit us at https://www.weather.gov/Medford
476 WHUS46 KMFR 252209 CFWMFR Coastal Hazard Message National Weather Service Medford OR 209 PM PST Thu Feb 25 2021 ORZ021-022-261200- /O.CON.KMFR.SU.Y.0004.210226T1200Z-210227T0000Z/ South Central Oregon Coast-Curry County Coast- 209 PM PST Thu Feb 25 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 4 AM TO 4 PM PST FRIDAY... * WHAT...Large breaking waves of 20 to 25 feet. * WHERE...All area beaches along the southern Oregon Coast, including the beaches of Coos, Curry and Douglas Counties. * WHEN...From 4 AM to 4 PM PST Friday. * IMPACTS...Large breaking waves will create hazardous conditions along and within the surf zone, and could inundate beaches and low lying shorelines. Beach erosion is possible, and exposed infrastructure may be damaged. * ADDITIONAL DETAILS...Highest surf conditions are expected from Port Orford northward. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from the surf zone and off of jetties. Area beaches may become hazardous due to dangerous surf conditions. && $$ Visit us at https://www.weather.gov/Medford
574 WHUS46 KMFR 261130 CFWMFR Coastal Hazard Message National Weather Service Medford OR 330 AM PST Fri Feb 26 2021 ORZ021-022-270000- /O.CON.KMFR.SU.Y.0004.210226T1200Z-210227T0000Z/ South Central Oregon Coast-Curry County Coast- 330 AM PST Fri Feb 26 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * WHAT...Large breaking waves of 20 to 25 feet. * WHERE...All area beaches along the southern Oregon Coast, including the beaches of Coos, Curry and Douglas Counties. * WHEN...From 4 AM to 4 PM PST Friday. * IMPACTS...Large breaking waves will create hazardous conditions along and within the surf zone, and could inundate beaches and low lying shorelines. Beach erosion is possible, and exposed infrastructure may be damaged. * ADDITIONAL DETAILS...Highest surf conditions are expected from Port Orford northward. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from the surf zone and off of jetties. Area beaches may become hazardous due to dangerous surf conditions. && $$ Visit us at https://www.weather.gov/Medford
619 WHUS46 KMFR 262343 CFWMFR Coastal Hazard Message National Weather Service Medford OR 343 PM PST Fri Feb 26 2021 ORZ021-022-270600- /O.EXT.KMFR.SU.Y.0004.000000T0000Z-210227T0600Z/ South Central Oregon Coast-Curry County Coast- 343 PM PST Fri Feb 26 2021 ...HIGH SURF ADVISORY NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... * WHAT...Large breaking waves of 20 to 25 feet. * WHERE...All area beaches along the southern Oregon Coast, including the beaches of Coos, Curry and Douglas Counties. * WHEN...Until 10 PM PST this evening. * IMPACTS...Large breaking waves will create hazardous conditions along and within the surf zone, and could inundate beaches and low lying shorelines. Beach erosion is possible, and exposed infrastructure may be damaged. * ADDITIONAL DETAILS...Highest surf conditions are expected from Port Orford northward. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from the surf zone and off of jetties. Area beaches may become hazardous due to dangerous surf conditions. && $$ Visit us at https://www.weather.gov/Medford
063 WHUS46 KMFR 270600 CFWMFR Coastal Hazard Message National Weather Service Medford OR 1000 PM PST Fri Feb 26 2021 ORZ021-022-270700- /O.EXP.KMFR.SU.Y.0004.000000T0000Z-210227T0600Z/ South Central Oregon Coast-Curry County Coast- 1000 PM PST Fri Feb 26 2021 ...HIGH SURF ADVISORY HAS EXPIRED... Surf will continue to lower tonight. $$ 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 |
|---|---|---|---|---|
| Feb 24, 12:46 PM PST | High Wind Watch | MFR | Klamath, Lake | 26 hr |
| Feb 24, 12:46 PM PST | Wind Advisory | MFR | Klamath, Lake | 63 hr |
| Feb 24, 2:03 PM PST | Hazardous Seas Warning | MFR | 56 hr |
Nearby
High Surf Advisories in Oregon, 2021Every high surf advisory 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.