Alert archive / California / Beach Hazards Statements in 2021
Beach Hazards Statement 6, NWS San Diego, CA
NWS San Diego, CA issued this beach hazards statement at Apr 23, 2021, 1:44 AM PDT for Orange County, California. It took effect at Apr 23, 2021, 6:00 AM PDT. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Apr 23, 2021, 1:44 AM PDT (08:44 UTC)
- In effect from
- Apr 23, 2021, 6:00 AM PDT
- Expired
- Apr 23, 2021, 12:37 PM PDT
- In force
- 7 hr
- Issued by
- NWS San Diego, CA
County Orange County, CA
The radar
The Santa Ana Mts radar (KSOX), 20 km from the middle of the area, began a volume at 08:47 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
San Diego, CA (KNKX), launched 00:00Z, 8.7 hours before the alert went out and 111 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
- 670 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 1 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
634 WHUS46 KSGX 230844 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 144 AM PDT Fri Apr 23 2021 CAZ552-232100- /O.NEW.KSGX.BH.S.0006.210423T1300Z-210426T0100Z/ Orange County Coastal Areas- 144 AM PDT Fri Apr 23 2021 ...BEACH HAZARDS STATEMENT IN EFFECT FROM 6 AM PDT FRIDAY MORNING THROUGH SUNDAY AFTERNOON... * Waves and Surf...3 to 6 feet. Local max sets to 7 feet. * Timing...Through Sunday afternoon. Highest surf will occur Friday evening through Saturday evening. Elevated surf to persist through Sunday. * Impacts...Strong rip currents and steep, wind-driven surf will generate hazardous swimming conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ Schenk https://www.weather.gov/sandiego
1 follow-up statement
620 WHUS46 KSGX 231937 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 1237 PM PDT Fri Apr 23 2021 ...A HIGH SURF ADVISORY IS IN EFFECT THROUGH MONDAY MORNING... ..A long period south swell will generate areas of high surf, strong rip currents, and hazardous swimming conditions through Monday. CAZ552-240345- /O.CAN.KSGX.BH.S.0006.000000T0000Z-210426T0100Z/ /O.NEW.KSGX.SU.Y.0004.210423T1937Z-210426T1500Z/ Orange County Coastal Areas- 1237 PM PDT Fri Apr 23 2021 ...HIGH SURF ADVISORY IN EFFECT UNTIL 8 AM PDT MONDAY... ...BEACH HAZARDS STATEMENT IS CANCELLED... The National Weather Service in San Diego has issued a High Surf Advisory...which is in effect until 8 AM PDT Monday. The Beach Hazards Statement has been cancelled. * Waves and Surf...5 to 7 feet. Local max sets to 8 feet on south facing beaches. * Timing...Through early Monday morning. Highest surf will occur Saturday through Sunday morning. Elevated surf to persist into early Monday. * Impacts...Strong rip currents and steep, wind-driven surf will generate hazardous swimming conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... A High Surf Advisory means that high surf will affect beaches in the advisory area...producing localized beach erosion and dangerous swimming conditions. && $$ CO https://www.weather.gov/sandiego
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 12:37 PM PDT | High Surf Advisory | SGX | Orange | 62 hr |
| Apr 23, 1:57 PM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 61 hr |
Nearby
Beach Hazards Statements in California, 2021Every beach hazards statement in 2021
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.