Alert archive / California / Beach Hazards Statements in 2022

Beach Hazards Statement 6, NWS Eureka, CA

April 23, 2022Del Norte County, Humboldt County, Mendocino County, California

NWS Eureka, CA issued this beach hazards statement at Apr 23, 2022, 7:53 PM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Apr 24, 2022, 7:00 AM PDT. It was in force for 15 hr.

The area

The counties it named.

The facts

Issued
Apr 23, 2022, 7:53 PM PDT (02:53 UTC)
In effect from
Apr 24, 2022, 7:00 AM PDT
Expired
Apr 24, 2022, 10:00 PM PDT
In force
15 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 02:52 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, 2.9 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 2022-04-24Temperature 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 2022-04-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 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
3231 m above ground
0-6 km bulk shear
39 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
35 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

468 
WHUS46 KEKA 240253
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
753 PM PDT Sat Apr 23 2022

CAZ101-103-104-109-241000-
/O.NEW.KEKA.BH.S.0006.220424T1400Z-220425T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
753 PM PDT Sat Apr 23 2022

...BEACH HAZARDS STATEMENT IN EFFECT FROM 7 AM PDT SUNDAY THROUGH
SUNDAY EVENING...

* WHAT...A long-period west to northwest swell will bring a 
  increased risk of sneaker waves to area beaches.

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

* WHEN...From 7 AM PDT Sunday through Sunday evening. Greatest
  threat will be during the afternoon and early evening hours.

* 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.

&&

$$
4 follow-up statements
149 
WHUS46 KEKA 240910
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
210 AM PDT Sun Apr 24 2022

CAZ101-103-104-109-241615-
/O.CON.KEKA.BH.S.0006.220424T1400Z-220425T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
210 AM PDT Sun Apr 24 2022

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 7 AM PDT THIS
MORNING THROUGH THIS EVENING...

* WHAT...Large unexpected waves expected along the coast.

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

* WHEN...From 7 AM PDT this morning through 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.

&&

$$
920 
WHUS46 KEKA 241458
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
758 AM PDT Sun Apr 24 2022

CAZ101-103-104-109-242300-
/O.CON.KEKA.BH.S.0006.000000T0000Z-220425T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
758 AM PDT Sun Apr 24 2022

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

* WHAT...Large unexpected waves along the coast.

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

* WHEN...Through 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.

&&

$$
086 
WHUS46 KEKA 242053
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
153 PM PDT Sun Apr 24 2022

CAZ101-103-104-109-250500-
/O.CON.KEKA.BH.S.0006.000000T0000Z-220425T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
153 PM PDT Sun Apr 24 2022

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 10 PM PDT THIS
EVENING...

* WHAT...Large unexpected waves along the coast.

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

* WHEN...Until 10 PM PDT 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.

&&

$$
840 
WHUS46 KEKA 250446
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
946 PM PDT Sun Apr 24 2022

CAZ101-103-104-109-250600-
/O.EXP.KEKA.BH.S.0006.000000T0000Z-220425T0500Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
946 PM PDT Sun Apr 24 2022

...BEACH HAZARDS STATEMENT WILL EXPIRE AT 10 PM PDT THIS
EVENING...

$$

The office that day

Everything else NWS Eureka, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 23, 8:27 PM PDTSmall Craft AdvisoryEKA4 days

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.