Alert archive / California / Beach Hazards Statements in 2021
Beach Hazards Statement 18, NWS San Diego, CA
NWS San Diego, CA issued this beach hazards statement at Dec 24, 2021, 6:14 AM PST for Orange County, San Diego County, California. It took effect at Dec 24, 2021, 7:00 AM PST. It was in force for 75 min.
The area
The counties it named.
The facts
- Issued
- Dec 24, 2021, 6:14 AM PST (14:14 UTC)
- In effect from
- Dec 24, 2021, 7:00 AM PST
- Expired
- Dec 24, 2021, 8:15 AM PST
- In force
- 75 min
- 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 14:15 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, 2.2 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
- 10 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 461 m above ground
- 0-6 km bulk shear
- 96 kt
- 0-1 km storm-relative helicity
- 321 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
582 WHUS46 KSGX 241414 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 614 AM PST Fri Dec 24 2021 CAZ043-552-241700- /O.NEW.KSGX.BH.S.0018.211224T1500Z-211224T1700Z/ San Diego County Coastal Areas-Orange County Coastal Areas- 614 AM PST Fri Dec 24 2021 ...BEACH HAZARDS STATEMENT IN EFFECT UNTIL 9 AM PST THIS MORNING... * WHAT...Thunderstorms will be possible across the beaches this morning. A broken line of thunderstorms will move from west to east through 9 AM. * WHERE...San Diego County Coastal Areas and Orange County Coastal Areas. * WHEN...Until 9 AM PST this morning. * ADDITIONAL DETAILS...Thunderstorms with cloud to beach strikes are a deadly risk to beach goers. Seek immediate shelter when thunderstorms are a threat. PRECAUTIONARY/PREPAREDNESS ACTIONS... Remain out of the water to avoid hazardous swimming conditions. && $$ Schenk
1 follow-up statement
424 WHUS46 KSGX 241615 CFWSGX Coastal Hazard Message National Weather Service San Diego CA 815 AM PST Fri Dec 24 2021 CAZ043-552-241715- /O.CAN.KSGX.BH.S.0018.000000T0000Z-211224T1700Z/ San Diego County Coastal Areas-Orange County Coastal Areas- 815 AM PST Fri Dec 24 2021 ...BEACH HAZARDS STATEMENT IS CANCELLED... Thunderstorms have ended along the coast and are no longer expected at the beaches this morning. $$ Schenk
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 5:29 PM PST | Areal Flood Advisory | SGX | Riverside, San Bernardino | 3 hr |
| Dec 23, 8:01 PM PST | Areal Flood Advisory | SGX | Orange | 7 hr |
| Dec 23, 8:20 PM PST | Areal Flood Advisory | SGX | Riverside, San Bernardino | 7 hr |
| Dec 23, 9:31 PM PST | Areal Flood Advisory | SGX | San Diego | 3 hr |
| Dec 23, 10:03 PM PST | Winter Storm Warning | SGX | Riverside, San Bernardino | 14 hr |
| Dec 24, 1:17 AM PST | Flash Flood Warning | SGX | Riverside, San Bernardino | 3 hr |
| Dec 24, 2:26 AM PST | Areal Flood Advisory | SGX | San Diego | 3 hr |
| Dec 24, 7:07 AM PST | Areal Flood Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 2 hr |
| Dec 24, 7:31 AM PST | Areal Flood Advisory | SGX | San Diego | 90 min |
| Dec 24, 12:00 PM PST | Winter Storm Watch | SGX | Riverside, San Bernardino | 9 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.