Alert archive / California / Frost Advisories in 2009
Frost Advisory 1, NWS San Francisco Bay Area, CA
NWS San Francisco Bay Area, CA issued this frost advisory at Jan 3, 2009, 11:51 PM PST for 4 counties in California. It took effect at Jan 4, 2009, 12:00 AM PST. It was in force for 8 hr.
The area
The counties it named.
The facts
- Issued
- Jan 3, 2009, 11:51 PM PST (07:51 UTC)
- In effect from
- Jan 4, 2009, 12:00 AM PST
- Expired
- Jan 4, 2009, 8:00 AM PST
- In force
- 8 hr
- Issued by
- NWS San Francisco Bay Area, CA
Counties Alameda County, CA, Contra Costa County, CA, San Mateo County, CA, Santa Clara County, CA
The radar
The San Francisco radar (KMUX), 46 km from the middle of the area, began a volume at 07:48 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 office that day
Everything else NWS San Francisco Bay Area, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 4, 8:20 AM PST | Freeze Warning | MTR | Marin, Napa, Santa Clara, Sonoma | 80 min |
Nearby
Frost Advisories in California, 2009Every frost 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; radar from the NEXRAD Level II archive.