Alert archive / California / Snow Advisories in 2007
Snow Advisory 5, NWS Los Angeles, CA
NWS Los Angeles, CA issued this snow advisory at Dec 9, 2007, 1:36 AM PST. It was in force for 7 hr.
The area
The counties it named.
The facts
- Issued
- Dec 9, 2007, 1:36 AM PST (09:36 UTC)
- Expired
- Dec 9, 2007, 9:00 AM PST
- In force
- 7 hr
- Issued by
- NWS Los Angeles, CA
What forecasters said that day
The local office's own words before this snow advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Los Angeles, CA wrote its last area forecast discussion before this snow advisory went out at Dec 8, 10:10 PM PST, 3 hours 26 minutes earlier.
Area forecast discussion, Dec 8, 10:10 PM PST, 3 hours 26 minutes before
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</html>Hazardous weather outlook, Dec 8, 6:00 AM PST, 19 hours 36 minutes before
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
The office that day
Everything else NWS Los Angeles, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 9, 3:59 AM PST | Wind Advisory | LOX | Los Angeles | 14 hr |
| Dec 9, 2:44 PM PST | Frost Advisory | LOX | 13 hr |
Nearby
Snow Advisories in California, 2007Every snow advisory in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.