Alert archive / California / High Surf Advisories in 2009
High Surf Advisory 5, NWS San Diego, CA
NWS San Diego, CA issued this high surf advisory at Aug 22, 2009, 12:52 PM PDT for San Diego County, California. It took effect at Aug 23, 2009, 3:00 PM PDT. It was in force for 56 hr.
The area
The counties it named.
The facts
- Issued
- Aug 22, 2009, 12:52 PM PDT (19:52 UTC)
- In effect from
- Aug 23, 2009, 3:00 PM PDT
- Expired
- Aug 25, 2009, 11:24 PM PDT
- In force
- 56 hr
- Issued by
- NWS San Diego, CA
County San Diego County, CA
The radar
The San Diego radar (KNKX), 28 km from the middle of the area, began a volume at 19:53 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, 7.9 hours before the alert went out and 47 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
- 345 J/kg
- Mixed-layer CIN
- -210 J/kg
- Mixed-layer LCL
- 1837 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS San Diego, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 3:33 PM PDT | Areal Flood Advisory | SGX | San Bernardino | 107 min |
Nearby
High Surf Advisories in California, 2009Every high surf advisory in 2009
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.