Alert archive / Oregon / High Surf Advisories in 2021
High Surf Advisory 7, NWS Medford, OR
NWS Medford, OR issued this high surf advisory at Mar 17, 2021, 2:17 AM PDT for Coos County, Curry County, Douglas County, Oregon. It took effect at Mar 18, 2021, 5:00 PM PDT. It was in force for 24 hr.
The area
The counties it named.
The facts
- Issued
- Mar 17, 2021, 2:17 AM PDT (09:17 UTC)
- In effect from
- Mar 18, 2021, 5:00 PM PDT
- Expired
- Mar 19, 2021, 5:00 PM PDT
- In force
- 24 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 09:17 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, 9.3 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
- 1704 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- -22 m²/s²
- 0-3 km storm-relative helicity
- -111 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
678 WHUS46 KMFR 170917 CFWMFR Coastal Hazard Message National Weather Service Medford OR 217 AM PDT Wed Mar 17 2021 ORZ021-022-180000- /O.NEW.KMFR.SU.Y.0007.210319T0000Z-210320T0000Z/ South Central Oregon Coast-Curry County Coast- 217 AM PDT Wed Mar 17 2021 ...HIGH SURF ADVISORY IN EFFECT FROM 5 PM THURSDAY TO 5 PM PDT FRIDAY... * WHAT...Large breaking waves of 23 to 25 feet. * WHERE...Curry, Coos, and Douglas County shorelines in southern Oregon. * WHEN...From 5 PM Thursday to 5 PM PDT 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. && $$ Visit us at https://www.weather.gov/Medford
4 follow-up statements
011 WHUS46 KMFR 172126 CFWMFR Coastal Hazard Message National Weather Service Medford OR 226 PM PDT Wed Mar 17 2021 ORZ021-022-181100- /O.CON.KMFR.SU.Y.0007.210319T0000Z-210320T0000Z/ South Central Oregon Coast-Curry County Coast- 226 PM PDT Wed Mar 17 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 5 PM THURSDAY TO 5 PM PDT FRIDAY... * WHAT...Large breaking waves of 22 to 25 feet. * WHERE...Curry, Coos, and Douglas County shorelines in southern Oregon. * WHEN...From 5 PM Thursday to 5 PM PDT Friday. * IMPACTS...Large breaking waves will create hazardous conditions along and within the surf zone, and could inundate beaches and low lying shorelines. Beach erosion is possible, and exposed infrastructure may be damaged. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from the surf zone and off of jetties. Area beaches may become hazardous due to dangerous surf conditions. && $$ Visit us at https://www.weather.gov/Medford
010 WHUS46 KMFR 180959 CFWMFR Coastal Hazard Message National Weather Service Medford OR 259 AM PDT Thu Mar 18 2021 ORZ021-022-182200- /O.CON.KMFR.SU.Y.0007.210319T0000Z-210320T0000Z/ South Central Oregon Coast-Curry County Coast- 259 AM PDT Thu Mar 18 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM PDT FRIDAY... * WHAT...Large breaking waves of 22 to 25 feet. * WHERE...Curry, Coos, and Douglas County shorelines in southern Oregon. * WHEN...From 5 PM today to 5 PM PDT 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. && $$ Visit us at https://www.weather.gov/Medford
524 WHUS46 KMFR 182030 CFWMFR Coastal Hazard Message National Weather Service Medford OR 130 PM PDT Thu Mar 18 2021 ORZ021-022-191200- /O.CON.KMFR.SU.Y.0007.210319T0000Z-210320T0000Z/ South Central Oregon Coast-Curry County Coast- 130 PM PDT Thu Mar 18 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM PDT FRIDAY... * WHAT...Large breaking waves of 22 to 25 feet. * WHERE...Curry, Coos, and Douglas County shorelines in southern Oregon. * WHEN...From 5 PM today to 5 PM PDT Friday. * IMPACTS...Large breaking waves will create hazardous conditions along and within the surf zone, and could inundate beaches and low lying shorelines. Beach erosion is possible, and exposed infrastructure may be damaged. * View the hazard area in detail at https://www.wrh.noaa.gov/mfr/HAZARD PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay away from the surf zone and off of jetties. Area beaches may become hazardous due to dangerous surf conditions. && $$ Visit us at https://www.weather.gov/Medford
690 WHUS46 KMFR 190945 CFWMFR Coastal Hazard Message National Weather Service Medford OR 245 AM PDT Fri Mar 19 2021 ORZ021-022-200000- /O.CON.KMFR.SU.Y.0007.000000T0000Z-210320T0000Z/ South Central Oregon Coast-Curry County Coast- 245 AM PDT Fri Mar 19 2021 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... * WHAT...Large breaking waves of 22 to 25 feet. * WHERE...Curry, Coos, and Douglas County shorelines in southern Oregon. * WHEN...Through 5 PM PDT this afternoon. * 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
The office that day
Everything else NWS Medford, OR issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 3:22 AM PDT | Wind Advisory | MFR | Jackson, Klamath, Lake | 44 hr |
| Mar 17, 2:23 PM PDT | Hazardous Seas Warning | MFR | 57 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.