Alert archive / California / Freeze Warnings in 2016
Freeze Warning 3, NWS Eureka, CA
NWS Eureka, CA issued this freeze warning at Nov 30, 2016, 2:45 PM PST for Humboldt County, California. It took effect at Dec 1, 2016, 12:00 AM PST. It was in force for 9 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 30, 2016, 2:45 PM PST (22:45 UTC)
- In effect from
- Dec 1, 2016, 12:00 AM PST
- Expired
- Dec 1, 2016, 9:00 AM PST
- In force
- 9 hr
- Issued by
- NWS Eureka, CA
County Humboldt County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 39 km from the middle of the area, began a volume at 22:51 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, 10.8 hours before the alert went out and 207 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
- 469 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
865 WWUS76 KEKA 302245 NPWEKA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 245 PM PST WED NOV 30 2016 CAZ105-106-011145- /O.NEW.KEKA.FZ.W.0003.161201T0800Z-161201T1700Z/ NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR- 245 PM PST WED NOV 30 2016 ...FREEZE WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FREEZE WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST THURSDAY. * LOW TEMPERATURES...UPPER 20S TO LOW 30S. * LOCATIONS INCLUDE...WILLOW CREEK...HOOPA...ORLEANS...WEITCHPEC...KNEELAND...GARBERVILLE...BULL CREEK...MYERS FLAT...MIRANDA...BENBOW...WEOTT...BRIDGEVILLE ...DINSMORE...REDWAY...AND RICHARDSON GROVE. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/MAP PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ CAZ101>104-109-112-011145- /O.NEW.KEKA.FR.Y.0018.161201T0800Z-161201T1700Z/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT COAST- SOUTHWESTERN HUMBOLDT-MENDOCINO COAST- SOUTHWESTERN MENDOCINO INTERIOR- 245 PM PST WED NOV 30 2016 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 9 AM PST THURSDAY. * LOW TEMPERATURES...LOW TO MID 30S. * LOCATIONS INCLUDE...CRESCENT CITY...GASQUET...ARCATA...EUREKA...CUTTEN...MCKINLEYVILLE... FORTUNA...RIO DELL...FERNDALE...LOLETA...HUMBOLDT HILLS... PATROLIA...HONEYDEW...ETTERSBERG...FORT BRAGG...POINT ARENA...BOONVILLE...COMPTCHE. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/MAP PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
2 follow-up statements
618 WWUS76 KEKA 011531 NPWEKA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 731 AM PST THU DEC 1 2016 CAZ105-106-011700- /O.CON.KEKA.FZ.W.0003.000000T0000Z-161201T1700Z/ NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR- 731 AM PST THU DEC 1 2016 ...FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * LOW TEMPERATURES...UPPER 20S TO LOW 30S. * LOCATIONS INCLUDE...WILLOW CREEK...HOOPA...ORLEANS... WEITCHPEC...KNEELAND...GARBERVILLE...BULL CREEK...MYERS FLAT... MIRANDA...BENBOW...WEOTT...BRIDGEVILLE DINSMORE...REDWAY... ...AND RICHARDSON GROVE. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/MAP PRECAUTIONARY/PREPAREDNESS ACTIONS... A FREEZE WARNING MEANS SUB-FREEZING TEMPERATURES ARE IMMINENT OR HIGHLY LIKELY. THESE CONDITIONS WILL KILL CROPS AND OTHER SENSITIVE VEGETATION. && $$ CAZ101>104-109-112-011700- /O.CON.KEKA.FR.Y.0018.000000T0000Z-161201T1700Z/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT COAST- SOUTHWESTERN HUMBOLDT-MENDOCINO COAST- SOUTHWESTERN MENDOCINO INTERIOR- 731 AM PST THU DEC 1 2016 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * LOW TEMPERATURES...LOW TO MID 30S. * LOCATIONS INCLUDE...CRESCENT CITY...GASQUET...ARCATA... EUREKA...CUTTEN...MCKINLEYVILLE... FORTUNA...RIO DELL... FERNDALE...LOLETA...HUMBOLDT HILLS... PATROLIA...HONEYDEW... ETTERSBERG...FORT BRAGG...POINT ARENA...BOONVILLE...COMPTCHE. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/MAP PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
127 WWUS76 KEKA 011643 NPWEKA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 843 AM PST THU DEC 1 2016 CAZ105-106-011745- /O.EXP.KEKA.FZ.W.0003.000000T0000Z-161201T1700Z/ NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR- 843 AM PST THU DEC 1 2016 ...FREEZE WARNING WILL EXPIRE AT 9 AM PST THIS MORNING... OVERNIGHT TEMPERATURES DROPPED INTO THE UPPER 20S TO LOW 30S. TEMPERATURES WILL RISE ABOVE 32 DEGREES THIS MORNING WITH DAYTIME HEATING. THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT. $$ CAZ101>104-109-112-011745- /O.EXP.KEKA.FR.Y.0018.000000T0000Z-161201T1700Z/ COASTAL DEL NORTE-DEL NORTE INTERIOR-NORTHERN HUMBOLDT COAST- SOUTHWESTERN HUMBOLDT-MENDOCINO COAST- SOUTHWESTERN MENDOCINO INTERIOR- 843 AM PST THU DEC 1 2016 ...FROST ADVISORY WILL EXPIRE AT 9 AM PST THIS MORNING... OVERNIGHT TEMPERATURES DROPPED INTO THE LOW 30S. TEMPERATURES WILL WARM UP THIS MORNING WITH DAYTIME HEATING. THIS WILL BE THE FINAL STATEMENT ISSUED FOR THIS EVENT. $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 30, 3:01 AM PST | Gale Warning | EKA | 48 hr | |
| Nov 30, 2:45 PM PST | Frost Advisory | EKA | Del Norte, Humboldt, Mendocino | 18 hr |
| Nov 30, 3:00 PM PST | Small Craft Advisory | EKA | 36 hr |
Nearby
Freeze Warnings in California, 2016Every freeze warning 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.