Alert archive / California / Beach Hazards Statements in 2022

Beach Hazards Statement 4, NWS Eureka, CA

February 24, 2022Del Norte County, Humboldt County, Mendocino County, California

NWS Eureka, CA issued this beach hazards statement at Feb 24, 2022, 2:23 AM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Feb 26, 2022, 5:00 AM PST. It was in force for 16 hr.

The area

The counties it named.

The facts

Issued
Feb 24, 2022, 2:23 AM PST (10:23 UTC)
In effect from
Feb 26, 2022, 5:00 AM PST
Expired
Feb 26, 2022, 9:00 PM PST
In force
16 hr
Issued by
NWS Eureka, CA

Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA

The radar

The Eureka (Bunker Hill) radar (KBHX), 47 km from the middle of the area, began a volume at 10:26 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, 10.4 hours before the alert went out and 210 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 2022-02-24Temperature 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 2022-02-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -66 square meters per square second.19395878Sfc1 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
1748 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
-66 m²/s²
0-3 km storm-relative helicity
92 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

565 
WHUS46 KEKA 241023
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
223 AM PST Thu Feb 24 2022

CAZ101-103-104-109-241830-
/O.NEW.KEKA.BH.S.0004.220226T1300Z-220227T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
223 AM PST Thu Feb 24 2022

...BEACH HAZARDS STATEMENT IN EFFECT FROM LATE FRIDAY NIGHT
THROUGH SATURDAY EVENING...

* WHAT...Westerly swell around 5 to 9 feet at 20 seconds will
  bring a high risk of sneaker waves to area beaches.

* WHERE...Coastal Del Norte, Northern Humboldt Coast, 
  Southwestern Humboldt and Mendocino Coast Counties.

* WHEN...Saturday morning through Saturday evening.. .

* IMPACTS...Large, unexpected waves can sweep across the beach 
  without warning, sweeping people into the sea from rocks, 
  jetties, and beaches. These waves can also move large objects 
  such as logs, crushing anyone caught underneath.

* ADDITIONAL DETAILS...Long lulls are typical between hazardous 
  sneakers waves, and the ocean may appear relatively calm for 
  up to 30 minutes between larger wave sets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Don't be fooled by an ocean that looks calm.  there can be
30 minutes of small waves before a sneaker wave strikes.  Avoid
rocks and jetties. Avoid steep beaches.  Stay much farther back
from the water and never turn your back on the ocean.

&&

$$
8 follow-up statements
719 
WHUS46 KEKA 241819
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
1019 AM PST Thu Feb 24 2022

CAZ101-103-104-109-250630-
/O.CON.KEKA.BH.S.0004.220226T1300Z-220227T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
1019 AM PST Thu Feb 24 2022

...HIGH RISK OF SNEAKER WAVES FROM LATE FRIDAY NIGHT THROUGH 
SATURDAY EVENING...

* WHAT...Westerly swell around 5 to 9 feet at 20 seconds will bring 
  a high risk of sneaker waves to area beaches.

* WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt Coast
  and Southwestern Humboldt.

* WHEN...From late Friday night through Saturday evening.

* IMPACTS...Large, unexpected waves can sweep across the beach 
  without warning, sweeping people into the sea from rocks, jetties, 
  and beaches. These waves can also move large objects such as logs, 
  crushing anyone caught underneath.

* ADDITIONAL DETAILS...Long lulls are typical between hazardous 
  sneakers waves, and the ocean may appear relatively calm for up to 
  30 minutes between larger wave sets.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Don't be fooled by an ocean that looks calm. There can be 30 minutes
of small waves before a sneaker wave strikes. Avoid rocks and 
jetties. Avoid steep beaches. Stay much farther back from the water 
and never turn your back on the ocean.

$$
267 
WHUS46 KEKA 250615
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
1015 PM PST Thu Feb 24 2022

CAZ101-103-104-109-251300-
/O.CON.KEKA.BH.S.0004.220226T1300Z-220227T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
1015 PM PST Thu Feb 24 2022

...HIGH RISK OF SNEAKER WAVES FROM LATE FRIDAY NIGHT THROUGH 
SATURDAY EVENING...

* WHAT...Westerly swell around 5 to 9 feet at 20 seconds will 
  bring a high risk of sneaker waves to area beaches.

* WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt 
  Coast and Southwestern Humboldt.

* WHEN...From late Friday night through Saturday evening.

* IMPACTS...Large, unexpected waves can sweep across the beach 
  without warning, sweeping people into the sea from rocks, 
  jetties, and beaches. These waves can also move large objects 
  such as logs, crushing anyone caught underneath.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Don't be fooled by an ocean that looks calm. There can be
30 minutes of small waves before a sneaker wave strikes. Avoid
rocks and jetties. Avoid steep beaches. Stay much farther back
from the water and never turn your back on the ocean.

$$
969 
WHUS46 KEKA 251246
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
446 AM PST Fri Feb 25 2022

CAZ101-103-104-109-252100-
/O.CON.KEKA.BH.S.0004.220226T1300Z-220227T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
446 AM PST Fri Feb 25 2022

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH SATURDAY EVENING...

* WHAT...Westerly swell around 6 to 9 feet at 20 seconds will 
  bring a high risk of sneaker waves to area beaches.

* WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt 
  Coast and Southwestern Humboldt.

* WHEN...From late Friday night through Saturday evening.

* IMPACTS...Large, unexpected waves can sweep across the beach 
  without warning, sweeping people into the sea from rocks, 
  jetties, and beaches. These waves can also move large objects 
  such as logs, crushing anyone caught underneath.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

Don't be fooled by an ocean that looks calm. There can be
30 minutes of small waves before a sneaker wave strikes. Avoid
rocks and jetties. Avoid steep beaches. Stay much farther back
from the water and never turn your back on the ocean.

$$
059 
WHUS46 KEKA 252047
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
1247 PM PST Fri Feb 25 2022

CAZ101-103-104-109-260500-
/O.CON.KEKA.BH.S.0004.220226T1300Z-220227T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
1247 PM PST Fri Feb 25 2022

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM LATE TONIGHT
THROUGH SATURDAY EVENING...

* WHAT...Westerly swell around 6 to 9 feet at 20 seconds will 
  bring a high risk of sneaker waves to area beaches.

* WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt 
  Coast and Southwestern Humboldt.

* WHEN...From late Friday night through Saturday evening.

* IMPACTS...Large, unexpected waves can sweep across the beach
  without warning, sweeping people into the sea from rocks,
  jetties, and beaches. These waves can also move large objects
  such as logs, crushing anyone caught underneath.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Don't be fooled by an ocean that looks calm. There can be
30 minutes of small waves before a sneaker wave strikes. Avoid
rocks and jetties. Avoid steep beaches. Stay much farther back
from the water and never turn your back on the ocean.

$$
816 
WHUS46 KEKA 260447
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
847 PM PST Fri Feb 25 2022

CAZ101-103-104-109-261300-
/O.CON.KEKA.BH.S.0004.220226T1300Z-220227T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
847 PM PST Fri Feb 25 2022

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 5 AM PST
SATURDAY THROUGH SATURDAY EVENING...

* WHAT...Westerly swell around 6 to 9 feet at 20 seconds will
  bring a substantial risk of sneaker waves to area beaches.

* WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt 
  Coast and Southwestern Humboldt Counties.

* WHEN...From 5 AM PST Saturday through Saturday evening.. .

* IMPACTS...Large, unexpected waves can sweep across the beach 
  without warning, sweeping people into the sea from rocks, 
  jetties, and beaches. These waves can also move large objects 
  such as logs, crushing anyone caught underneath.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Don't be fooled by an ocean that looks calm.  there can be
30 minutes of small waves before a sneaker wave strikes.  Avoid
rocks and jetties. Avoid steep beaches.  Stay much farther back
from the water and never turn your back on the ocean.

&&

$$
865 
WHUS46 KEKA 261209
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
409 AM PST Sat Feb 26 2022

CAZ101-103-104-109-262100-
/O.CON.KEKA.BH.S.0004.220226T1300Z-220227T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
409 AM PST Sat Feb 26 2022

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS
EVENING...

* WHAT...Westerly swell around 6 to 9 feet at 20 seconds will 
  bring a substantial risk of sneaker waves to area beaches.

* WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt 
  Coast and Southwestern Humboldt Counties.

* WHEN...From 5 AM PST Saturday through Saturday evening.. .

* IMPACTS...Large, unexpected waves can sweep across the beach
  without warning, sweeping people into the sea from rocks,
  jetties, and beaches. These waves can also move large objects
  such as logs, crushing anyone caught underneath.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Don't be fooled by an ocean that looks calm.  there can be
30 minutes of small waves before a sneaker wave strikes.  Avoid
rocks and jetties. Avoid steep beaches.  Stay much farther back
from the water and never turn your back on the ocean.

&&

$$
594 
WHUS46 KEKA 262050
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
1250 PM PST Sat Feb 26 2022

CAZ101-103-104-109-270500-
/O.CON.KEKA.BH.S.0004.000000T0000Z-220227T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
1250 PM PST Sat Feb 26 2022

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 9 PM THIS 
EVENING...

* WHAT...Westerly swell around 6 to 9 feet at 20 seconds will 
  bring a substantial risk of sneaker waves to area beaches.

* WHERE...Coastal Del Norte, Mendocino Coast, Northern Humboldt
  Coast and Southwestern Humboldt.

* WHEN...Through 9 PM this evening.

* IMPACTS...Large, unexpected waves can sweep across the beach
  without warning, sweeping people into the sea from rocks,
  jetties, and beaches. These waves can also move large objects
  such as logs, crushing anyone caught underneath.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Don't be fooled by an ocean that looks calm. There can be 30 
minutes of small waves before a sneaker wave strikes. Avoid rocks 
and jetties. Avoid steep beaches. Stay much farther back from the 
water and never turn your back on the ocean.

$$
624 
WHUS46 KEKA 270503
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
903 PM PST Sat Feb 26 2022

CAZ101-103-104-109-270615-
/O.EXP.KEKA.BH.S.0004.000000T0000Z-220227T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
903 PM PST Sat Feb 26 2022

...BEACH HAZARDS STATEMENT HAS EXPIRED...

Large long period swells will continue to roll in along the
Redwood Coast through Sunday, but southerly winds generating
short-period seas will tend to reduce the sneaker wave threat. 

$$

Nearby

Beach Hazards Statements in California, 2022Every beach hazards statement in 2022

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.