Alert archive / California / Winter Weather Advisories in 2016
Winter Weather Advisory 14, NWS Eureka, CA
NWS Eureka, CA issued this winter weather advisory at Nov 25, 2016, 3:07 PM PST for 4 counties in California. It took effect at Nov 26, 2016, 6:00 AM PST. It was in force for 26 hr.
The area
The counties it named.
The facts
- Issued
- Nov 25, 2016, 3:07 PM PST (23:07 UTC)
- In effect from
- Nov 26, 2016, 6:00 AM PST
- Expired
- Nov 27, 2016, 8:00 AM PST
- In force
- 26 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA, Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 60 km from the middle of the area, began a volume at 23:08 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 11.1 hours before the alert went out and 204 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1508 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 222 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 25, 3:36 AM PST | Gale Warning | EKA | 23 hr | |
| Nov 25, 3:36 AM PST | Small Craft Advisory | EKA | 4 days | |
| Nov 25, 8:51 AM PST | Wind Advisory | EKA | Del Norte, Humboldt | 16 hr |
| Nov 25, 8:52 AM PST | Flood Watch | EKA | Del Norte, Humboldt | 6 hr |
Nearby
Winter Weather Advisories in California, 2016Every winter weather advisory in 2016
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.