Alert archive / Oregon / Beach Hazards Statements in 2020

Beach Hazards Statement 9, NWS Medford, OR

October 30, 2020Coos County, Curry County, Douglas County, Oregon

NWS Medford, OR issued this beach hazards statement at Oct 30, 2020, 9:40 AM PDT for Coos County, Curry County, Douglas County, Oregon. It took effect at Nov 1, 2020, 1:00 PM PST. It was in force for 21 hr.

The area

The counties it named.

The facts

Issued
Oct 30, 2020, 9:40 AM PDT (16:40 UTC)
In effect from
Nov 1, 2020, 1:00 PM PST
Expired
Nov 2, 2020, 10:00 AM 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 16:36 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, 4.7 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 12:00Z on 2020-10-30Temperature 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 12:00Z on 2020-10-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.193958Sfc1 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
2124 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
85 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

011 
WHUS46 KMFR 301640
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
940 AM PDT Fri Oct 30 2020

ORZ021-022-311400-
/O.NEW.KMFR.BH.S.0009.201101T2100Z-201102T1800Z/
South Central Oregon Coast-Curry County Coast-
940 AM PDT Fri Oct 30 2020

...BEACH HAZARDS STATEMENT IN EFFECT FROM SUNDAY AFTERNOON
THROUGH MONDAY MORNING...

* WHAT...Increased risk for sneaker waves are expected. These are
  waves with higher run-ups than expected, and they are dangerous
  to beach goers.

* WHERE...All southern Oregon beaches.

* WHEN...2 PM Sunday through 11 AM Monday.

* 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 in the cold Pacific waters. Logs and other debris can be
  lifted and carried by these waves, crushing or entrapping 
  unsuspecting victims underneath.

* 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.

Keep your distance from the ocean when there is a threat of 
sneaker waves.

Never turn your back to the ocean.

&&

$$

Visit us at https://www.weather.gov/Medford
4 follow-up statements
293 
WHUS46 KMFR 310823
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
123 AM PDT Sat Oct 31 2020

ORZ021-022-312200-
/O.CON.KMFR.BH.S.0009.201101T2100Z-201102T1800Z/
South Central Oregon Coast-Curry County Coast-
123 AM PDT Sat Oct 31 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY
AFTERNOON THROUGH MONDAY MORNING...

* WHAT...Increased risk for sneaker waves are expected. These are
  waves with higher run-ups than expected, and they are dangerous
  to beach goers.

* WHERE...All southern Oregon beaches.

* WHEN...From 2 PM Sunday afternoon through 11 AM Monday 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 in
  the cold Pacific waters. Logs and other debris can be lifted and
  carried by these waves, crushing or entrapping unsuspecting
  victims underneath.

* 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
140 
WHUS46 KMFR 312112
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
212 PM PDT Sat Oct 31 2020

ORZ021-022-011200-
/O.CON.KMFR.BH.S.0009.201101T2100Z-201102T1800Z/
South Central Oregon Coast-Curry County Coast-
212 PM PDT Sat Oct 31 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM SUNDAY
AFTERNOON THROUGH MONDAY MORNING...

* WHAT...Increased risk for sneaker waves are expected. These 
  are waves with higher run-ups than expected, and they are 
  dangerous to beach goers.

* WHERE...All southern Oregon beaches.

* WHEN...From 2 PM Sunday afternoon through 11 AM Monday 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 in the cold Pacific waters. Logs and other debris can 
  be lifted and carried by these waves, crushing or entrapping 
  unsuspecting victims underneath.

* 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
529 
WHUS46 KMFR 010802
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
102 AM PDT Sun Nov 1 2020

ORZ021-022-012115-
/O.CON.KMFR.BH.S.0009.201101T2100Z-201102T1800Z/
South Central Oregon Coast-Curry County Coast-
102 AM PDT Sun Nov 1 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM THIS AFTERNOON
THROUGH MONDAY MORNING...

* WHAT...Increased risk for sneaker waves are expected. These 
  are waves with higher run-ups than expected, and they are 
  dangerous to beach goers.

* WHERE...All southern Oregon beaches.

* WHEN...From 2 PM Sunday afternoon through 11 AM Monday 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 in the cold Pacific waters. Logs and other debris can 
  be lifted and carried by these waves, crushing or entrapping 
  unsuspecting victims underneath.

* 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
604 
WHUS46 KMFR 012055
CFWMFR

Coastal Hazard Message
National Weather Service Medford OR
1255 PM PST Sun Nov 1 2020

ORZ021-022-021800-
/O.CON.KMFR.BH.S.0009.201101T2100Z-201102T1800Z/
South Central Oregon Coast-Curry County Coast-
1255 PM PST Sun Nov 1 2020

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH MONDAY
   MORNING...

* WHAT...Increased risk for sneaker waves are expected. These 
  are waves with higher run-ups than expected, and they are 
  dangerous to beach goers.

* WHERE...All southern Oregon beaches.

* WHEN...Through 10 AM Monday 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 in the cold Pacific waters. Logs and other debris can 
  be lifted and carried by these waves, crushing or entrapping 
  unsuspecting victims underneath.

* 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.
Never turn your back on the ocean.

&&

$$

Visit us at https://www.weather.gov/Medford

The office that day

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

IssuedProductOfficeCountiesLasted
Oct 30, 1:39 AM PDTSmall Craft AdvisoryMFR51 hr

Nearby

Beach Hazards Statements in Oregon, 2020Every beach hazards statement in 2020

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.