Alert archive / California / Frost Advisories in 2016
Frost Advisory 16, NWS Eureka, CA
NWS Eureka, CA issued this frost advisory at Nov 23, 2016, 9:36 PM PST for Mendocino County, California. It was in force for 11 hr.
The area
The counties it named.
The facts
- Issued
- Nov 23, 2016, 9:36 PM PST (05:36 UTC)
- Expired
- Nov 24, 2016, 8:21 AM PST
- In force
- 11 hr
- Issued by
- NWS Eureka, CA
County Mendocino County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 139 km from the middle of the area, began a volume at 05:35 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, 5.6 hours before the alert went out and 218 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
- 1271 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 18 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
798 WWUS76 KEKA 240536 NPWEKA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 936 PM PST WED NOV 23 2016 CAZ112-241700- /O.NEW.KEKA.FR.Y.0016.161124T0536Z-161124T1700Z/ SOUTHWESTERN MENDOCINO INTERIOR- 936 PM PST WED NOV 23 2016 ...FROST ADVISORY IN EFFECT UNTIL 9 AM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A FROST ADVISORY...WHICH IS IN EFFECT UNTIL 9 AM PST THURSDAY. * LOW TEMPERATURES...MID 30S. * LOCATIONS INCLUDE...THE ANDERSON VALLEY...BOONVILLE...AND SURROUNDING WIND SHELTERED AREAS. * 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. && $$
2 follow-up statements
048 WWUS76 KEKA 241109 NPWEKA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 309 AM PST THU NOV 24 2016 CAZ102-104>106-250015- /O.NEW.KEKA.WI.Y.0020.161125T0000Z-161125T1500Z/ DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT- NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR- 309 AM PST THU NOV 24 2016 ...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST FRIDAY. * WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS 40 TO 50 MPH. * LOCATIONS INCLUDE...EXPOSED RIDGES OF DEL NORTE AND HUMBOLDT COUNTIES INCLUDING KNEELAND. * HIGHWAYS IMPACTED...199 AND 299. INCLUDES BERRY SUMMIT ON HIGHWAY 299 AND NEAR THE COLLIER TUNNEL ON HIGHWAY 199. STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/MAP PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ101-250015- /O.NEW.KEKA.WI.Y.0020.161125T0000Z-161125T1500Z/ COASTAL DEL NORTE- 309 AM PST THU NOV 24 2016 ...WIND ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A WIND ADVISORY...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST FRIDAY. * WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS TO 45 MPH. * LOCATIONS INCLUDE...CRESCENT CITY AND OTHER COASTAL AREAS OF DEL NORTE COUNTY. * HIGHWAYS IMPACTED...101. STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/MAP PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ112-241700- /O.CON.KEKA.FR.Y.0016.000000T0000Z-161124T1700Z/ SOUTHWESTERN MENDOCINO INTERIOR- 309 AM PST THU NOV 24 2016 ...FROST ADVISORY REMAINS IN EFFECT UNTIL 9 AM PST THIS MORNING... * LOW TEMPERATURES...MID 30S. * LOCATIONS INCLUDE...THE ANDERSON VALLEY...BOONVILLE...AND SURROUNDING WIND SHELTERED AREAS. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/MAP PRECAUTIONARY/PREPAREDNESS ACTIONS... A FROST ADVISORY MEANS THAT FROST IS POSSIBLE. SENSITIVE OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED. && $$
060 WWUS76 KEKA 241621 NPWEKA URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE EUREKA CA 821 AM PST THU NOV 24 2016 CAZ112-241730- /O.CAN.KEKA.FR.Y.0016.000000T0000Z-161124T1700Z/ SOUTHWESTERN MENDOCINO INTERIOR- 821 AM PST THU NOV 24 2016 ...FROST ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN EUREKA HAS CANCELLED THE FROST ADVISORY. TEMPERATURES HAVE BEEN RAPIDLY WARMING UP THIS MORNING AND THE ADVISORY FOR FROST IS NO LONGER NECESSARY, $$ CAZ102-104>106-250530- /O.CON.KEKA.WI.Y.0020.161125T0000Z-161125T1500Z/ DEL NORTE INTERIOR-SOUTHWESTERN HUMBOLDT- NORTHERN HUMBOLDT INTERIOR-SOUTHERN HUMBOLDT INTERIOR- 821 AM PST THU NOV 24 2016 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST FRIDAY... * WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS 40 TO 50 MPH. * LOCATIONS INCLUDE...EXPOSED RIDGES OF DEL NORTE AND HUMBOLDT COUNTIES INCLUDING KNEELAND. * HIGHWAYS IMPACTED...199 AND 299. INCLUDES BERRY SUMMIT ON HIGHWAY 299 AND NEAR THE COLLIER TUNNEL ON HIGHWAY 199. STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/MAP PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$ CAZ101-250530- /O.CON.KEKA.WI.Y.0020.161125T0000Z-161125T1500Z/ COASTAL DEL NORTE- 821 AM PST THU NOV 24 2016 ...WIND ADVISORY REMAINS IN EFFECT FROM 4 PM THIS AFTERNOON TO 7 AM PST FRIDAY... * WINDS...SOUTH-SOUTHEAST 15 TO 25 MPH WITH GUSTS TO 45 MPH. * LOCATIONS INCLUDE...CRESCENT CITY AND OTHER COASTAL AREAS OF DEL NORTE COUNTY. * HIGHWAYS IMPACTED...101. STRONG WINDS CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. * FOR A DETAILED VIEW OF THE HAZARD AREA...VISIT HTTP://WWW.WRH.NOAA.GOV/MAP PRECAUTIONARY/PREPAREDNESS ACTIONS... A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION. && $$
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 24, 3:09 AM PST | Wind Advisory | EKA | Del Norte, Humboldt | 30 hr |
| Nov 24, 3:26 AM PST | Flood Watch | EKA | Del Norte, Humboldt | 29 hr |
Nearby
Frost Advisories in California, 2016Every frost 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.