Alert archive / California / Beach Hazards Statements in 2017
Beach Hazards Statement 5, NWS Eureka, CA
NWS Eureka, CA issued this beach hazards statement at Sep 18, 2017, 7:03 PM PDT for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Sep 19, 2017, 8:00 AM PDT. It was in force for 25 hr.
The area
The counties it named.
The facts
- Issued
- Sep 18, 2017, 7:03 PM PDT (02:03 UTC)
- In effect from
- Sep 19, 2017, 8:00 AM PDT
- Expired
- Sep 20, 2017, 8:52 AM PDT
- In force
- 25 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 02:02 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, 2.1 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.
- Mixed-layer CAPE
- 51 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1006 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted.
123 WHUS46 KEKA 190203 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 703 PM PDT MON SEP 18 2017 ...FIRST LARGE SWELL OF THE SEASON TO IMPACT NORTHWEST CALIFORNIA BEACHES... CAZ101-103-104-109-191015- /O.NEW.KEKA.BH.S.0005.170919T1500Z-170921T0400Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST-SOUTHWESTERN HUMBOLDT- MENDOCINO COAST- 703 PM PDT MON SEP 18 2017 ...BEACH HAZARDS STATEMENT IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A BEACH HAZARDS STATEMENT...WHICH IS IN EFFECT FROM TUESDAY MORNING THROUGH WEDNESDAY EVENING. * TIMING...SURF HEIGHTS OF 13 TO 17 FEET TUESDAY THROUGH WEDNESDAY. THE HIGHEST RISK OF LARGE BEACH RUNUP AND THE LARGEST SURF WILL OCCUR DURING THE DAY TUESDAY. * IMPACTS...INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK AND RUNUP. THE FIRST LARGE SWELL OF THE SEASON CAN ALLOW FOR WAVES TO WASH FARTHER UP THE BEACH SLOPE THAN NORMALLY EXPECTED. BEACHGOERS ARE ADVISED TO STAY FARTHER BACK FROM THE SURF THAN IS TYPICALLY EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION, FORECASTS, AND WARNINGS. && $$
5 follow-up statements
774 WHUS46 KEKA 191019 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 319 AM PDT TUE SEP 19 2017 ...FIRST LARGE SWELL OF THE SEASON TO IMPACT NORTHWEST CALIFORNIA BEACHES... CAZ101-103-104-109-191830- /O.CON.KEKA.BH.S.0005.170919T1500Z-170921T0400Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST-SOUTHWESTERN HUMBOLDT- MENDOCINO COAST- 319 AM PDT TUE SEP 19 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 8 AM PDT THIS MORNING THROUGH WEDNESDAY EVENING... * TIMING...SURF HEIGHTS OF 13 TO 17 FEET TUESDAY THROUGH WEDNESDAY. THE HIGHEST RISK OF LARGE BEACH RUNUP AND THE LARGEST SURF WILL OCCUR TODAY. * IMPACTS...INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK AND RUNUP. THE FIRST LARGE SWELL OF THE SEASON CAN ALLOW FOR WAVES TO WASH FARTHER UP THE BEACH SLOPE THAN NORMALLY EXPECTED. BEACHGOERS ARE ADVISED TO STAY FARTHER BACK FROM THE SURF THAN IS TYPICALLY EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION, FORECASTS, AND WARNINGS. && $$
324 WHUS46 KEKA 191558 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 858 AM PDT TUE SEP 19 2017 ...FIRST LARGE SWELL OF THE SEASON TO IMPACT NORTHWEST CALIFORNIA BEACHES... CAZ101-103-104-109-200000- /O.CON.KEKA.BH.S.0005.000000T0000Z-170921T0400Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST-SOUTHWESTERN HUMBOLDT- MENDOCINO COAST- 858 AM PDT TUE SEP 19 2017 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH WEDNESDAY EVENING... * TIMING...SURF HEIGHTS OF 14 TO 18 FEET TODAY THROUGH WEDNESDAY. THE HIGHEST RISK OF LARGE BEACH RUNUP AND THE LARGEST SURF WILL OCCUR TODAY. * IMPACTS...INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK AND RUNUP. THE FIRST LARGE SWELL OF THE SEASON CAN ALLOW FOR WAVES TO WASH FARTHER UP THE BEACH SLOPE THAN NORMALLY EXPECTED. BEACHGOERS ARE ADVISED TO STAY FARTHER BACK FROM THE SURF THAN IS TYPICALLY EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION, FORECASTS, AND WARNINGS. && $$
653 WHUS46 KEKA 192351 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 451 PM PDT TUE SEP 19 2017 ...FIRST LARGE SWELL OF THE SEASON TO IMPACT NORTHWEST CALIFORNIA BEACHES... CAZ101-103-104-109-201200- /O.CON.KEKA.BH.S.0005.000000T0000Z-170921T0400Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST-SOUTHWESTERN HUMBOLDT- MENDOCINO COAST- 451 PM PDT TUE SEP 19 2017 * TIMING...SURF HEIGHTS OF 14 TO 18 FEET TODAY THROUGH WEDNESDAY. THE HIGHEST RISK OF LARGE BEACH RUNUP AND THE LARGEST SURF WILL OCCUR TODAY. * IMPACTS...INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK AND RUNUP. THE FIRST LARGE SWELL OF THE SEASON CAN ALLOW FOR WAVES TO WASH FARTHER UP THE BEACH SLOPE THAN NORMALLY EXPECTED. BEACHGOERS ARE ADVISED TO STAY FARTHER BACK FROM THE SURF THAN USUAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION, FORECASTS, AND WARNINGS. $$
278 WHUS46 KEKA 201227 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 527 AM PDT WED SEP 20 2017 ...FIRST LARGE SWELL OF THE SEASON TO IMPACT NORTHWEST CALIFORNIA BEACHES... CAZ101-103-104-109-201600- /O.EXT.KEKA.BH.S.0005.000000T0000Z-170920T1600Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST-SOUTHWESTERN HUMBOLDT- MENDOCINO COAST- 527 AM PDT WED SEP 20 2017 ...BEACH HAZARDS STATEMENT NOW IN EFFECT UNTIL 9 AM PDT THIS MORNING... * IMPACTS...INCREASED RISK OF RIP CURRENTS...SNEAKER WAVES...AND LOCALLY LARGE SHORE BREAK AND RUNUP. THE FIRST LARGE SWELL OF THE SEASON CAN ALLOW FOR WAVES TO WASH FARTHER UP THE BEACH SLOPE THAN NORMALLY EXPECTED. BEACHGOERS ARE ADVISED TO STAY FARTHER BACK FROM THE SURF THAN USUAL. PRECAUTIONARY/PREPAREDNESS ACTIONS... MONITOR NOAA WEATHER RADIO FOR THE LATEST INFORMATION, FORECASTS, AND WARNINGS. $$
272 WHUS46 KEKA 201552 CFWEKA COASTAL HAZARD MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 852 AM PDT WED SEP 20 2017 ...BEACH HAZARDS STATEMENT IS CANCELLED... .SEAS HAVE BEEN TRENDING DOWNWARD WITH NEARLY SQUARED PERIODS THIS MORNING. CAZ101-103-104-109-201700- /O.CAN.KEKA.BH.S.0005.000000T0000Z-170920T1600Z/ COASTAL DEL NORTE-NORTHERN HUMBOLDT COAST-SOUTHWESTERN HUMBOLDT- MENDOCINO COAST- 852 AM PDT WED SEP 20 2017 ...BEACH HAZARDS STATEMENT IS CANCELLED... THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE BEACH HAZARDS STATEMENT. $$
Nearby
Beach Hazards Statements in California, 2017Every beach hazards statement in 2017
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.