Alert archive / Oregon / Beach Hazards Statements in 2021

Beach Hazards Statement 2, NWS Medford, OR

January 19, 2021Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this beach hazards statement at Jan 19, 2021, 2:53 AM PST for Coos County, Curry County, Douglas County, Oregon. It took effect at Jan 20, 2021, 2:00 AM PST. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Jan 19, 2021, 2:53 AM PST (10:53 UTC)
In effect from
Jan 20, 2021, 2:00 AM PST
Expired
Jan 20, 2021, 10:00 AM PST
In force
8 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 10:52 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, 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.

Skew-T log-pSkew-T log-p diagram, Medford/Jackson, OR at 00:00Z on 2021-01-19Temperature 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 2021-01-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 79 square meters per square second.1939587897117136Sfc1 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
1122 m above ground
0-6 km bulk shear
76 kt
0-1 km storm-relative helicity
79 m²/s²
0-3 km storm-relative helicity
34 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

728 
WHUS46 KMFR 191053
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
253 AM PST Tue Jan 19 2021

ORZ021-022-200000-
/O.NEW.KMFR.BH.S.0002.210120T1000Z-210120T1800Z/
South Central Oregon Coast-Curry County Coast-
253 AM PST Tue Jan 19 2021

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY MORNING...

* WHAT...Hazardous conditions as high and infrequent wave run-ups
  from a long period swell will likely result in sneaker waves.

* WHERE...All area beaches along the southern Oregon Coast, 
  including the beaches of Coos, Curry and Douglas Counties.

* WHEN...From 2 AM through 10 AM PST Wednesday.

* IMPACTS...Even during calm conditions, sneaker waves can sweep
  up the beach without warning and knock unsuspecting people over
  and pull them out to sea. Shock and hypothermia can occur
  quickly. Logs and other debris can be lifted and carried by
  these waves, crushing or entrapping victims.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

Visit us at https://www.weather.gov/Medford
2 follow-up statements
787 
WHUS46 KMFR 192355
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
355 PM PST Tue Jan 19 2021

ORZ021-022-201800-
/O.CON.KMFR.BH.S.0002.210120T1000Z-210120T1800Z/
South Central Oregon Coast-Curry County Coast-
355 PM PST Tue Jan 19 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 AM PST
WEDNESDAY THROUGH WEDNESDAY MORNING...

* WHAT...Hazardous conditions as high and infrequent wave run-
  ups from a long period swell will likely result in sneaker 
  waves.

* WHERE...All area beaches along the southern Oregon Coast, 
  including the beaches of Coos, Curry and Douglas Counties.

* WHEN...From 2 AM through 10 AM PST Wednesday.

* IMPACTS...Even during calm conditions, sneaker waves can sweep 
  up the beach without warning and knock unsuspecting people 
  over and pull them out to sea. Shock and hypothermia can occur 
  quickly. Logs and other debris can be lifted and carried by 
  these waves, crushing or entrapping victims.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

Visit us at https://www.weather.gov/Medford
473 
WHUS46 KMFR 201016
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
216 AM PST Wed Jan 20 2021

ORZ021-022-201800-
/O.CON.KMFR.BH.S.0002.000000T0000Z-210120T1800Z/
South Central Oregon Coast-Curry County Coast-
216 AM PST Wed Jan 20 2021

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

* WHAT...Hazardous conditions as high and infrequent wave run- 
  ups from a long period swell will likely result in sneaker 
  waves.

* WHERE...The beaches of Coos, Curry and Douglas Counties.

* WHEN...Until 10 AM PST this morning.

* IMPACTS...Even during calm conditions, sneaker waves can sweep 
  up the beach without warning and knock unsuspecting people 
  over and pull them out to sea. Shock and hypothermia can occur 
  quickly. Logs and other debris can be lifted and carried by 
  these waves, crushing or entrapping victims.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Remain out of the water to avoid hazardous swimming conditions.

&&

$$

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 19, 2:19 AM PSTFreezing Fog AdvisoryMFRCurry, Jackson, Josephine, Klamath8 hr

Nearby

Beach Hazards Statements in Oregon, 2021Every beach hazards statement 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.