Alert archive / California / Beach Hazards Statements in 2022
Beach Hazards Statement 4, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this beach hazards statement at Feb 15, 2022, 1:43 PM PST for 6 counties in California. It took effect at Feb 16, 2022, 2:00 PM PST. It was in force for 29 hr.
The area
The counties it named.
The facts
- Issued
- Feb 15, 2022, 1:43 PM PST (21:43 UTC)
- In effect from
- Feb 16, 2022, 2:00 PM PST
- Expired
- Feb 17, 2022, 7:00 PM PST
- In force
- 29 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties City and County of San Francisco, CA, Marin County, CA, Monterey County, CA, San Mateo County, CA, Santa Cruz County, CA, Sonoma County, CA
The radar
The San Francisco radar (KMUX), 53 km from the middle of the area, began a volume at 21:44 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
Oakland, CA (KOAK), launched 12:00Z, 9.7 hours before the alert went out and 26 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1041 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- -6 m²/s²
- 0-3 km storm-relative helicity
- 177 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
657 WHUS46 KMTR 152143 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 143 PM PST Tue Feb 15 2022 ...Long period northwest swells to arrive along the coast late Wednesday afternoon through Thursday... .A long period swell will arrive along the coast Wednesday afternoon. Initial forerunner periods will be from 20 to 22 seconds before slowly decreasing to around 16-19 seconds Thursday afternoon and evening. These high energy waves will increase the risk of sneaker waves and rip currents. CAZ006-505-509-529-530-160515- /O.NEW.KMTR.BH.S.0004.220216T2200Z-220218T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 143 PM PST Tue Feb 15 2022 ...BEACH HAZARDS STATEMENT IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING... * WHAT...Long period northwest swell will arrive along the coast. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast. * WHEN...From Wednesday afternoon through Thursday evening. * IMPACTS...Risk of sneaker waves and strong rip currents. * ADDITIONAL DETAILS...Long lulls are typical between hazardous sneakers waves and the ocean may appear relatively calm for up to 30 minutes between larger waves. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
6 follow-up statements
126 WHUS46 KMTR 160522 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 922 PM PST Tue Feb 15 2022 ...Long period northwest swells to arrive along the coast late Wednesday afternoon through Thursday... .A long period swell will arrive along the coast Wednesday afternoon. Initial forerunner periods will be from 20 to 22 seconds before slowly decreasing to around 16-19 seconds Thursday afternoon and evening. These high energy waves will increase the risk of sneaker waves and rip currents. CAZ006-505-509-529-530-161330- /O.CON.KMTR.BH.S.0004.220216T2200Z-220218T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 922 PM PST Tue Feb 15 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM WEDNESDAY AFTERNOON THROUGH THURSDAY EVENING... * WHAT...Long period northwest swell will arrive along the coast. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast. * WHEN...From Wednesday afternoon through Thursday evening. * IMPACTS...Risk of sneaker waves and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
400 WHUS46 KMTR 161315 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 515 AM PST Wed Feb 16 2022 ...Long period northwest swells to arrive along the coast late this afternoon through Thursday... .A long period swell will arrive along the coast this afternoon. Initial forerunner periods will be from 20 to 22 seconds before slowly decreasing to around 16-19 seconds Thursday afternoon and evening. These high energy waves will increase the risk of sneaker waves and rip currents. CAZ006-505-509-529-530-162300- /O.CON.KMTR.BH.S.0004.220216T2200Z-220218T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 515 AM PST Wed Feb 16 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT FROM 2 PM PST THIS AFTERNOON THROUGH THURSDAY EVENING... * WHAT...Long period northwest swell arriving along the coast.. * WHERE...San Francisco, Coastal North Bay Including Point Reyes National Seashore, San Francisco Peninsula Coast, Northern Monterey Bay and Southern Monterey Bay and Big Sur Coast. * WHEN...From 2 PM PST this afternoon through Thursday evening. * IMPACTS...Risk of sneaker waves and strong rip currents.. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
731 WHUS46 KMTR 162150 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 150 PM PST Wed Feb 16 2022 ...Long period northwest swells to arrive along the coast late this afternoon through Thursday... .A long period swell is affecting the coast. Initial forerunner periods will be from 20 to 22 seconds before slowly decreasing to around 16-19 seconds Thursday afternoon and evening. These high energy waves will increase the risk of sneaker waves and rip currents. CAZ006-505-509-529-530-170600- /O.CON.KMTR.BH.S.0004.220216T2200Z-220218T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 150 PM PST Wed Feb 16 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Long period northwest swell expected. * WHERE...Coastal North Bay Including Point Reyes National Seashore, Southern Monterey Bay and Big Sur Coast, San Francisco Peninsula Coast, San Francisco and Northern Monterey Bay. * WHEN...Through Thursday evening. * IMPACTS...Risk of sneaker waves and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
597 WHUS46 KMTR 170440 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 840 PM PST Wed Feb 16 2022 ...Long period northwest swells will continue to impact the coast through Thursday... .A long period swell is impacting the coast. Initial forerunner periods will be from 20 to 22 seconds before slowly decreasing to around 16-19 seconds Thursday afternoon and evening. These high energy waves will increase the risk of sneaker waves and rip currents. CAZ006-505-509-529-530-180300- /O.CON.KMTR.BH.S.0004.000000T0000Z-220218T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 840 PM PST Wed Feb 16 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * WHAT...Long period northwest swell expected. * WHERE...Coastal North Bay Including Point Reyes National Seashore, Southern Monterey Bay and Big Sur Coast, San Francisco Peninsula Coast, San Francisco and Northern Monterey Bay. * WHEN...Through Thursday evening. * IMPACTS...Risk of sneaker waves and strong rip currents. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
757 WHUS46 KMTR 171056 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 256 AM PST Thu Feb 17 2022 ...Long period northwest swells will continue to impact the coast through Thursday... .A long period swell is impacting the coast. Initial forerunner periods will be from 19 to 22 seconds before slowly decreasing to around 16-19 seconds Thursday afternoon and evening. These high energy waves will increase the risk of sneaker waves and rip currents. CAZ006-505-509-529-530-180300- /O.CON.KMTR.BH.S.0004.000000T0000Z-220218T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 256 AM PST Thu Feb 17 2022 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THIS EVENING... * WHAT...Long period northwest swell expected. * WHERE...Coastal North Bay Including Point Reyes National Seashore, Southern Monterey Bay and Big Sur Coast, San Francisco Peninsula Coast, San Francisco and Northern Monterey Bay. * WHEN...Through Thursday evening. * IMPACTS...Risk of sneaker waves and strong rip currents. * ADDITIONAL DETAILS...The threat will increase as the wind waves decrease through the day, especially in sheltered coves. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$
807 WHUS46 KMTR 180240 CFWMTR Coastal Hazard Message National Weather Service San Francisco CA 640 PM PST Thu Feb 17 2022 CAZ006-505-509-529-530-180345- /O.EXP.KMTR.BH.S.0004.000000T0000Z-220218T0300Z/ San Francisco- Coastal North Bay Including Point Reyes National Seashore- San Francisco Peninsula Coast-Northern Monterey Bay- Southern Monterey Bay and Big Sur Coast- 640 PM PST Thu Feb 17 2022 ...BEACH HAZARDS STATEMENT WILL EXPIRE AT 7 PM PST THIS EVENING... As the swell continues to build along the coast, swell period has been steadily diminished allowing the beach hazard statement to expire. If venturing to the coast tonight, stay alert as lingering rip currents may develop. Remember: never turn your back to the ocean. $$
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.