Alert archive / California / Freeze Watches in 2023
Freeze Watch 2, NWS Eureka, CA
NWS Eureka, CA issued this freeze watch at Mar 24, 2023, 4:00 AM PDT for Lake County, Mendocino County, California. It took effect at Mar 25, 2023, 2:00 AM PDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 24, 2023, 4:00 AM PDT (11:00 UTC)
- In effect from
- Mar 25, 2023, 2:00 AM PDT
- Expired
- Mar 24, 2023, 2:53 PM PDT
- In force
- Issued by
- NWS Eureka, CA
Counties Lake County, CA, Mendocino County, CA
The radar
The Beale AFB radar (KBBX), 128 km from the middle of the area, began a volume at 11:01 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
Oakland, CA (KOAK), launched 00:00Z, 11.0 hours before the alert went out and 188 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
- 900 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- -40 m²/s²
- 0-3 km storm-relative helicity
- -41 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this freeze watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Eureka, CA wrote its last area forecast discussion before this freeze watch went out at Mar 23, 4:05 PM PDT, 11 hours 55 minutes earlier.
Area forecast discussion, Mar 23, 4:05 PM PDT, 11 hours 55 minutes before
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</html>The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 24, 2:21 PM PDT | Winter Storm Watch | EKA | Del Norte, Humboldt, Lake, Mendocino, Trinity | 48 hr |
| Mar 24, 2:21 PM PDT | Winter Weather Advisory | EKA | Del Norte | 7 hr |
| Mar 24, 2:53 PM PDT | Frost Advisory | EKA | Del Norte, Humboldt | 18 hr |
| Mar 24, 2:53 PM PDT | Freeze Warning | EKA | Lake, Mendocino | 18 hr |
Nearby
Freeze Watches in California, 2023Every freeze watch in 2023
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.