Alert archive / California / Beach Hazards Statements in 2018

Beach Hazards Statement 3, NWS Eureka, CA

March 1, 2018Del Norte County, Humboldt County, Mendocino County, California

NWS Eureka, CA issued this beach hazards statement at Mar 1, 2018, 2:09 PM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Mar 2, 2018, 8:00 AM PST. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued
Mar 1, 2018, 2:09 PM PST (22:09 UTC)
In effect from
Mar 2, 2018, 8:00 AM PST
Expired
Mar 2, 2018, 10:00 PM PST
In force
14 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 22:09 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, 10.2 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 2018-03-01Temperature 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 2018-03-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.1939587897Sfc1 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
569 m above ground
0-6 km bulk shear
67 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
267 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

118 
WHUS46 KEKA 012209
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
209 PM PST Thu Mar 1 2018

...Large Surf for West and North Facing Beaches...

CAZ101-103-104-020615-
/O.NEW.KEKA.BH.S.0003.180302T1600Z-180303T0400Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
209 PM PST Thu Mar 1 2018

...BEACH HAZARDS STATEMENT IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

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

* TIMING...The high surf risk of 16 to 21 foot breaking waves 
  will be from 8AM Friday through 8PM Friday.

* IMPACTS...Large breaking waves along the coast will lead to 
  increased wave run-up on beaches with waves topping and 
  washing over large rocks and jetties. These large waves can be 
  erratic and unpredictable. Use extra caution near the surf 
  zone as these large waves will be capable of sweeping people 
  into the frigid and turbulent ocean water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High surf will affect west and north facing beaches, producing 
rip currents and localized beach erosion. If visiting the beach
use extra caution near the surf zone. 

&&

$$

CAZ109-020615-
/O.NEW.KEKA.BH.S.0003.180302T1600Z-180303T0600Z/
Mendocino Coast-
209 PM PST Thu Mar 1 2018

...BEACH HAZARDS STATEMENT IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

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

* TIMING...The high surf risk of 16 to 21 foot breaking waves 
  will be from 8AM Friday through 8PM Friday.

* IMPACTS...Large breaking waves along the coast will lead to 
  increased wave run-up on beaches with waves topping and 
  washing over large rocks and jetties. These large waves can be 
  erratic and unpredictable. Use extra caution near the surf 
  zone as these large waves will be capable of sweeping people 
  into the frigid and turbulent ocean water.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High surf will affect west and north facing beaches, producing 
rip currents and localized beach erosion. If visiting the beach
use extra caution near the surf zone. 

&&

$$
4 follow-up statements
055 
WHUS46 KEKA 020542
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
942 PM PST Thu Mar 1 2018

...Large Surf for West and North Facing Beaches...

CAZ101-103-104-021345-
/O.CON.KEKA.BH.S.0003.180302T1600Z-180303T0400Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
942 PM PST Thu Mar 1 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 8 AM PST FRIDAY
THROUGH FRIDAY EVENING...

* TIMING...The high surf risk of 16 to 21 foot breaking waves 
  will be from 8AM Friday through 8PM Friday. 

* IMPACTS...Large breaking waves along the coast will lead to 
  increased wave run-up on beaches with waves topping and 
  washing over large rocks and jetties. These large waves can be 
  erratic and unpredictable. Use extra caution near the surf 
  zone as these large waves will be capable of sweeping people 
  into the frigid and turbulent ocean water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High surf will affect west and north facing beaches, producing
rip currents and localized beach erosion. If visiting the beach
use extra caution near the surf zone.

&&

$$

CAZ109-021345-
/O.CON.KEKA.BH.S.0003.180302T1600Z-180303T0600Z/
Mendocino Coast-
942 PM PST Thu Mar 1 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 8 AM PST FRIDAY
THROUGH FRIDAY EVENING...

* TIMING...The high surf risk of 16 to 21 foot breaking waves 
  will be from 8AM Friday through 8PM Friday. 

* IMPACTS...Large breaking waves along the coast will lead to 
  increased wave run-up on beaches with waves topping and 
  washing over large rocks and jetties. These large waves can be 
  erratic and unpredictable. Use extra caution near the surf 
  zone as these large waves will be capable of sweeping people 
  into the frigid and turbulent ocean water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High surf will affect west and north facing beaches, producing
rip currents and localized beach erosion. If visiting the beach
use extra caution near the surf zone.

&&

$$
170 
WHUS46 KEKA 021300
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
500 AM PST Fri Mar 2 2018

...Large Surf for West and North Facing Beaches...

CAZ101-103-104-022100-
/O.CON.KEKA.BH.S.0003.180302T1600Z-180303T0400Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
500 AM PST Fri Mar 2 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 8 AM PST THIS
MORNING THROUGH THIS EVENING...

* TIMING...The high surf risk of 16 to 21 foot breaking waves will
  be from 8AM today through 8PM tonight. 

* IMPACTS...Large breaking waves along the coast will lead to 
  increased wave run-up on beaches with waves topping and 
  washing over large rocks and jetties. These large waves can be 
  erratic and unpredictable. Use extra caution near the surf 
  zone as these large waves will be capable of sweeping people 
  into the frigid and turbulent ocean water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High surf will affect west and north facing beaches, producing
rip currents and localized beach erosion. If visiting the beach
use extra caution near the surf zone.

&&

$$

CAZ109-022100-
/O.CON.KEKA.BH.S.0003.180302T1600Z-180303T0600Z/
Mendocino Coast-
500 AM PST Fri Mar 2 2018

...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 8 AM PST THIS
MORNING THROUGH THIS EVENING...

* TIMING...The high surf risk of 16 to 21 foot breaking waves will
  be from 8AM today through 8PM tonight. 

* IMPACTS...Large breaking waves along the coast will lead to 
  increased wave run-up on beaches with waves topping and 
  washing over large rocks and jetties. These large waves can be 
  erratic and unpredictable. Use extra caution near the surf 
  zone as these large waves will be capable of sweeping people 
  into the frigid and turbulent ocean water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High surf will affect west and north facing beaches, producing
rip currents and localized beach erosion. If visiting the beach
use extra caution near the surf zone.

&&

$$
213 
WHUS46 KEKA 022019
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
1219 PM PST Fri Mar 2 2018

...Large Surf for West and North Facing Beaches...

CAZ101-103-104-030430-
/O.EXT.KEKA.BH.S.0003.000000T0000Z-180303T0600Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
1219 PM PST Fri Mar 2 2018

...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 10 PM PST THIS
EVENING...

* TIMING...The high surf risk of 16 to 21 foot breaking waves will
  continue through 10PM tonight. 

* IMPACTS...Large breaking waves along the coast will lead to 
  increased wave run-up on beaches with waves topping and 
  washing over large rocks and jetties. These large waves can be 
  erratic and unpredictable. Use extra caution near the surf 
  zone as these large waves will be capable of sweeping people 
  into the frigid and turbulent ocean water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High surf will affect west and north facing beaches, producing
rip currents and localized beach erosion. If visiting the beach
use extra caution near the surf zone.

&&

$$

CAZ109-030430-
/O.CON.KEKA.BH.S.0003.000000T0000Z-180303T0600Z/
Mendocino Coast-
1219 PM PST Fri Mar 2 2018

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

* TIMING...The high surf risk of 16 to 21 foot breaking waves will
  continue through 10PM tonight.  

* IMPACTS...Large breaking waves along the coast will lead to 
  increased wave run-up on beaches with waves topping and 
  washing over large rocks and jetties. These large waves can be 
  erratic and unpredictable. Use extra caution near the surf 
  zone as these large waves will be capable of sweeping people 
  into the frigid and turbulent ocean water. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

High surf will affect west and north facing beaches, producing
rip currents and localized beach erosion. If visiting the beach
use extra caution near the surf zone.

&&

$$
124 
WHUS46 KEKA 030558
CFWEKA

Coastal Hazard Message
National Weather Service Eureka CA
958 PM PST Fri Mar 2 2018


CAZ101-103-104-030700-
/O.EXP.KEKA.BH.S.0003.000000T0000Z-180303T0600Z/
Coastal Del Norte-Northern Humboldt Coast-Southwestern Humboldt-
958 PM PST Fri Mar 2 2018

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

$$

CAZ109-030700-
/O.EXP.KEKA.BH.S.0003.000000T0000Z-180303T0600Z/
Mendocino Coast-
958 PM PST Fri Mar 2 2018

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


$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 1, 2:41 AM PSTSmall Craft AdvisoryEKA3 days
Mar 1, 2:53 AM PSTWinter Weather AdvisoryEKADel Norte, Humboldt, Mendocino35 hr
Mar 1, 9:21 AM PSTSpecial Weather StatementEKADel Norte24 min

Nearby

Beach Hazards Statements in California, 2018Every beach hazards statement in 2018

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.