Alert archive / California / Beach Hazards Statements in 2019

Beach Hazards Statement 2, NWS Eureka, CA

January 30, 2019Del Norte County, Humboldt County, Mendocino County, California

NWS Eureka, CA issued this beach hazards statement at Jan 30, 2019, 4:04 AM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Jan 30, 2019, 7:00 AM PST. It was in force for 13 hr.

The area

The counties it named.

The facts

Issued
Jan 30, 2019, 4:04 AM PST (12:04 UTC)
In effect from
Jan 30, 2019, 7:00 AM PST
Expired
Jan 30, 2019, 8:00 PM PST
In force
13 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 12:07 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, 0.1 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 12:00Z on 2019-01-30Temperature 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 2019-01-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 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
1166 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
32 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

305 
WHUS46 KEKA 301204
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
404 AM PST Wed Jan 30 2019

CAZ101-103-104-109-302100-
/O.NEW.KEKA.BH.S.0002.190130T1500Z-190131T0400Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
404 AM PST Wed Jan 30 2019

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

The National Weather Service in Eureka has issued a Beach Hazards
Statement...which is in effect from 7 AM PST this morning through
this evening. 

* TIMING...There is a moderate sneaker wave risk today.

* IMPACTS...Larger surf at offshore breaks and an enhanced risk 
  of sneaker waves on northwest California beaches. Steep 
  beaches will have a higher risk of sneaker wave activity with 
  greater wave run-up onto beaches. Large waves will also wash 
  over jetties and rock outcroppings that may normally stay dry.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Beach Hazard Statement is issued when threats such as sneaker
waves and other hazards create life-threatening conditions in the
surf zone. Caution should be used when in or near the water.

&&

$$
1 follow-up statement
087 
WHUS46 KEKA 301903
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
1103 AM PST Wed Jan 30 2019


CAZ101-103-104-109-310400-
/O.CON.KEKA.BH.S.0002.000000T0000Z-190131T0400Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
Mendocino Coast-
1103 AM PST Wed Jan 30 2019

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT UNTIL 8 PM PST THIS
EVENING...

* TIMING...There is a moderate sneaker wave risk today.

* IMPACTS...Larger surf at offshore breaks and an enhanced risk 
  of sneaker waves on northwest California beaches. Steep 
  beaches will have a higher risk of sneaker wave activity with 
  greater wave run-up onto beaches. Large waves will also wash 
  over jetties and rock outcroppings that may normally stay dry. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Beach Hazard Statement is issued when threats such as sneaker
waves and other hazards create life-threatening conditions in the
surf zone. Caution should be used when in or near the water.

&&

$$

Nearby

Beach Hazards Statements in California, 2019Every beach hazards statement in 2019

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.