Alert archive / California / Beach Hazards Statements in 2021
Beach Hazards Statement 4, NWS San Diego, CA
NWS San Diego, CA issued this beach hazards statement at Mar 10, 2021, 11:21 AM PST for Orange County, San Diego County, California. It was in force for 15 hr.
The area
The counties it named.
The facts
- Issued
- Mar 10, 2021, 11:21 AM PST (19:21 UTC)
- Expired
- Mar 11, 2021, 2:10 AM PST
- In force
- 15 hr
- Issued by
- NWS San Diego, CA
Counties Orange County, CA, San Diego County, CA
The radar
The San Diego radar (KNKX), 53 km from the middle of the area, began a volume at 19:23 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 12:00Z, 7.4 hours before the alert went out and 62 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
- 106 J/kg
- Mixed-layer CIN
- -3 J/kg
- Mixed-layer LCL
- 664 m above ground
- 0-6 km bulk shear
- 100 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
643 WHUS46 KSGX 101921 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 1121 AM PST Wed Mar 10 2021 CAZ043-552-110330- /O.NEW.KSGX.BH.S.0004.210310T1921Z-210312T0600Z/ San Diego County Coastal Areas-Orange County Coastal Areas- 1121 AM PST Wed Mar 10 2021 ...BEACH HAZARDS STATEMENT IN EFFECT THROUGH THURSDAY EVENING... The National Weather Service in San Diego has issued a Beach Hazards Statement...which is in effect through Thursday evening. * Lightning...Scattered showers and thunderstorms will occur through Thursday evening at the beaches of Orange and San Diego counties. Lightning will be the primary threat from these storms. 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. && $$ Connolly https://www.weather.gov/sandiego
2 follow-up statements
842 WHUS46 KSGX 102136 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 136 PM PST Wed Mar 10 2021 CAZ043-552-110600- /O.CON.KSGX.BH.S.0004.000000T0000Z-210312T0600Z/ San Diego County Coastal Areas-Orange County Coastal Areas- 136 PM PST Wed Mar 10 2021 ...BEACH HAZARDS STATEMENT REMAINS IN EFFECT THROUGH THURSDAY EVENING... * Lightning...Scattered showers and thunderstorms will occur through Thursday evening at the beaches of Orange and San Diego counties. Lightning will be the primary threat from these storms. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights...minor tidal overflow...or lightning are possible at local beaches. Obey posted warning signs and flags and talk to a lifeguard before swimming. Use caution when in or near the water and always swim near a lifeguard. && $$ Connolly https://www.weather.gov/sandiego
464 WHUS46 KSGX 111010 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 210 AM PST Thu Mar 11 2021 CAZ043-552-111115- /O.CAN.KSGX.BH.S.0004.000000T0000Z-210312T0600Z/ San Diego County Coastal Areas-Orange County Coastal Areas- 210 AM PST Thu Mar 11 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... The National Weather Service in San Diego has cancelled the Beach Hazards Statement. Lightning is not imminent at this time. However, isolated thunderstorms are expected today. In the event of a moderate to high likelihood of lightning striking the beaches, a beach hazard statement will be issued. PRECAUTIONARY/PREPAREDNESS ACTIONS... A beach hazards statement is issued when threats such as strong rip currents...elevated surf heights or minor tidal overflow are possible. Or if there is a moderate to high likelihood of lightning occuring at the 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. && $$
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 12:40 PM PST | Special Weather Statement | SGX | San Diego | 50 min |
| Mar 10, 12:43 PM PST | Special Marine Warning | SGX | 32 min | |
| Mar 10, 2:02 PM PST | Flash Flood Watch | SGX | Orange, Riverside, San Diego | 38 hr |
| Mar 10, 2:22 PM PST | Winter Weather Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 20 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.