Alert archive / California / Freeze Warnings in 2019
Freeze Warning 15, NWS Eureka, CA
NWS Eureka, CA issued this freeze warning at Nov 28, 2019, 1:02 PM PST for Del Norte County, Humboldt County, Mendocino County, California. It took effect at Nov 29, 2019, 2:00 AM PST. It was in force for 7 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 28, 2019, 1:02 PM PST (21:02 UTC)
- In effect from
- Nov 29, 2019, 2:00 AM PST
- Expired
- Nov 29, 2019, 9:00 AM PST
- In force
- 7 hr
- Issued by
- NWS Eureka, CA
Counties Del Norte County, CA, Humboldt County, CA, Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 47 km from the middle of the area, began a volume at 21:00 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, 9.0 hours before the alert went out and 210 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
- 597 m above ground
- 0-6 km bulk shear
- 8 kt
- 0-1 km storm-relative helicity
- 16 m²/s²
- 0-3 km storm-relative helicity
- -18 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 warning 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 warning went out at Nov 28, 5:33 AM PST, 7 hours 29 minutes earlier.
Area forecast discussion, Nov 28, 5:33 AM PST, 7 hours 29 minutes before
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</html>Hazardous weather outlook, Nov 28, 12:21 PM PST, 41 minutes before
Hazardous Weather Outlook National Weather Service Eureka CA 1221 PM PST Thu Nov 28 2019 CAZ101-103-109-292030- Coastal Del Norte-Northern Humboldt Coast-Mendocino Coast- 1221 PM PST Thu Nov 28 2019 ...FREEZE WARNING IN EFFECT FROM 2 AM TO 9 AM PST FRIDAY... This hazardous weather outlook is for northwest California. .DAY ONE...This afternoon and tonight. A Freeze Warning is currently in effect for late tonight. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. A Freeze Warning is currently in effect for early Friday. Sub freezing temperatures are expected again Friday morning. Another round of locally heavy rain and potentially strong southerly winds is possible Saturday into Sunday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. For further details please refer to NOAA Weather Radio or weather.gov/eureka. CAZ102-104>106-110>113-292030- Del Norte Interior-Southwestern Humboldt-Northern Humboldt Interior- Southern Humboldt Interior-Northwestern Mendocino Interior- Northeastern Mendocino Interior-Southwestern Mendocino Interior- Southeastern Mendocino Interior- 1221 PM PST Thu Nov 28 2019 This hazardous weather outlook is for northwest California. .DAY ONE...This afternoon and tonight. No hazardous weather is expected. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Another round of locally heavy rain, mountain snow and potentially strong southerly ridgetop winds is possible Saturday into Sunday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. For further details please refer to NOAA Weather Radio or weather.gov/eureka. CAZ107-108-292030- Northern Trinity-Southern Trinity- 1221 PM PST Thu Nov 28 2019 ...WINTER STORM WATCH IN EFFECT FROM SATURDAY MORNING THROUGH SUNDAY MORNING... This hazardous weather outlook is for northwest California. .DAY ONE...This afternoon and tonight. No hazardous weather is expected. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. A Winter Storm Watch is in effect Saturday morning through Sunday morning. Heavy snow is possible above 1500 feet Saturday and Saturday night. Snow is expected to change over to rain on Sunday. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. For further details please refer to NOAA Weather Radio or weather.gov/eureka.
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 27, 6:01 PM PST | Small Craft Advisory | EKA | 27 hr | |
| Nov 28, 2:27 AM PST | Gale Watch | EKA | 24 hr | |
| Nov 28, 4:08 AM PST | Winter Storm Watch | EKA | Humboldt, Mendocino, Trinity | 46 hr |
| Nov 28, 2:57 PM PST | Storm Watch | EKA | 12 hr |
Nearby
Freeze Warnings in California, 2019Every freeze warning in 2019
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.