Alert archive / California / Special Weather Statements in 2015
Special Weather Statement, NWS Eureka, CA
NWS Eureka, CA issued this special weather statement at Dec 24, 2015, 9:26 PM PST for Humboldt County, California. It was in force for 49 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Dec 24, 2015, 9:26 PM PST (05:26 UTC)
- Expired
- Dec 24, 2015, 10:15 PM PST
- In force
- 49 min
- Issued by
- NWS Eureka, CA
County Humboldt County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 35 km from the middle of the area, began a volume at 05:28 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, 5.4 hours before the alert went out and 378 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
- 1407 m above ground
- 0-6 km bulk shear
- 98 kt
- 0-1 km storm-relative helicity
- 0 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Dec 24, 8:47 PM PST, 39 minutes earlier.
Area forecast discussion, Dec 24, 8:47 PM PST, 39 minutes before
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</html>Hazardous weather outlook, Dec 24, 8:17 PM PST, 1 hour 9 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE EUREKA CA 817 PM PST THU DEC 24 2015 CAZ001-251500- REDWOOD COAST- 817 PM PST THU DEC 24 2015 ...COASTAL FLOOD ADVISORY IN EFFECT FROM 9 AM TO 1 PM PST FRIDAY... ...HARD FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA. .DAY ONE...TONIGHT. SMALL HAIL WILL BE POSSIBLE WITH SHOWERS OVERNIGHT. PATCHY AREAS OF BLACK ICE MAY DEVELOP LATE TONIGHT INTO EARLY FRIDAY MORNING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. A HARD FREEZE WATCH IS CURRENTLY IN EFFECT FRIDAY NIGHT THROUGH SATURDAY MORNING. FREEZING TEMPERATURES WILL MAKE ROADS EXTREMELY SLIPPERY SO PLAN FOR EXTRA TIME WHEN DRIVING AND TAKE IT SLOW. A COASTAL FLOOD ADVISORY IS IN EFFECT FROM 9 AM TO 1 PM FRIDAY. MINOR COASTAL FLOODING IS POSSIBLE WITH VERY HIGH ASTRONOMICAL TIDES ON FRIDAY AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. CAZ004-251500- UPPER TRINITY RIVER- 817 PM PST THU DEC 24 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. FREEZING TEMPERATURES FRIDAY NIGHT AND EARLY SATURDAY WILL MAKE ROADS EXTREMELY SLIPPERY SO PLAN FOR EXTRA TIME WHEN DRIVING AND TAKE IT SLOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. CAZ076-251500- MENDOCINO INTERIOR- 817 PM PST THU DEC 24 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA. .DAY ONE...TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. FREEZING TEMPERATURES FRIDAY NIGHT AND EARLY SATURDAY WILL MAKE ROADS EXTREMELY SLIPPERY SO PLAN FOR EXTRA TIME WHEN DRIVING AND TAKE IT SLOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. CAZ003-251500- NORTH COAST INTERIOR- 817 PM PST THU DEC 24 2015 ...WINTER STORM WARNING IN EFFECT UNTIL 10 PM PST THIS EVENING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA. .DAY ONE...TONIGHT. A WINTER STORM WARNING IS IN EFFECT THROUGH 10 PM TONIGHT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. FREEZING TEMPERATURES FRIDAY NIGHT AND EARLY SATURDAY WILL MAKE ROADS EXTREMELY SLIPPERY SO PLAN FOR EXTRA TIME WHEN DRIVING AND TAKE IT SLOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. CAZ002-251500- MENDOCINO COAST- 817 PM PST THU DEC 24 2015 ...HARD FREEZE WATCH IN EFFECT FROM LATE FRIDAY NIGHT THROUGH SATURDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHWEST CALIFORNIA. .DAY ONE...TONIGHT. SMALL HAIL WILL BE POSSIBLE WITH SHOWERS OVERNIGHT. PATCHY AREAS OF BLACK ICE MAY DEVELOP LATE TONIGHT INTO EARLY FRIDAY MORNING. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY. A HARD FREEZE WATCH IS CURRENTLY IN EFFECT FRIDAY NIGHT THROUGH SATURDAY MORNING. FREEZING TEMPERATURES WILL MAKE ROADS EXTREMELY SLIPPERY SO PLAN FOR EXTRA TIME WHEN DRIVING AND TAKE IT SLOW. MINOR COASTAL FLOODING IS POSSIBLE WITH VERY HIGH ASTRONOMICAL TIDES ON FRIDAY AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Dec 24, 8:01 PM PST, 1 hour 25 minutes before
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</html>Local storm report, Dec 24, 8:25 PM PST, 1 hour 1 minute before
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</html>Local storm report, Dec 24, 8:29 PM PST, 57 minutes before
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</html>Local storm report, Dec 24, 8:43 PM PST, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EUREKA CA
843 PM PST THU DEC 24 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0330 PM SNOW 2 SW DINSMORE 40.46N 123.63W
12/24/2015 E12.0 INCH HUMBOLDT CA PUBLIC
ESTIMATED A FOOT OF SNOW ACCUMULATION AT
3800 FEET IN BURR VALLEY AND STILL SNOWING.
REPORT RECEIVED THROUGH SOCIAL MEDIA.
&&
RPALocal storm report, Dec 24, 9:04 PM PST, 22 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE EUREKA CA
904 PM PST THU DEC 24 2015
...TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
...DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0903 PM SNOW 2 W DINSMORE 40.48N 123.63W
12/24/2015 M9.0 INCH HUMBOLDT CA PUBLIC
9 INCHES OF SNOW AT 2500 FT ON THE NORTH
SIDE OF BUCK MOUNTAIN
&&
RERSpecial weather statement, Dec 24, 9:26 PM PST, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE EUREKA
926 PM PST THU DEC 24 2015
CAZ001-003-250615-
REDWOOD COAST CA-NORTH COAST INTERIOR CA-
926 PM PST THU DEC 24 2015
...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL HUMBOLDT COUNTY UNTIL
1015 PM PST...
AT 925 PM PST...DOPPLER RADAR WAS TRACKING A STRONG SHOWER NEAR
MANILA...MOVING SOUTHEAST AT 35 MPH.
DIME SIZE HAIL AND WINDS UP TO 40 MPH WILL BE POSSIBLE WITH THIS
SHOWER.
LOCATIONS IMPACTED INCLUDE...
EUREKA...ARCATA...MAPLE CREEK...MCKINLEYVILLE...BLUE LAKE...PINE
HILLS...SAMOA...CUTTEN...KNEELAND...FRESHWATER...BAYVIEW...MYRTLETOWN
AND HUMBOLDT HILL.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
OFFICE IN EUREKA CALIFORNIA.
&&
LAT...LON 4087 12416 4096 12413 4074 12371 4053 12394
4075 12420 4076 12419 4076 12420 4080 12419
4081 12416 4081 12419 4079 12420 4077 12422
4077 12423
TIME...MOT...LOC 0525Z 310DEG 30KT 4086 12417
RPAThe office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 24, 4:28 PM PST | Special Weather Statement | EKA | Humboldt | 47 min |
| Dec 24, 4:44 PM PST | Special Marine Warning | EKA | 16 min | |
| Dec 24, 5:16 PM PST | Special Weather Statement | EKA | Humboldt | 29 min |
| Dec 24, 6:21 PM PST | Coastal Flood Advisory | EKA | 19 hr | |
| Dec 24, 8:01 PM PST | Special Weather Statement | EKA | Del Norte | 14 min |
| Dec 25, 2:31 AM PST | Hazardous Seas Warning | EKA | 12 hr | |
| Dec 25, 4:23 AM PST | Hard Freeze Warning | EKA | 29 hr |
Nearby
Special Weather Statements in California, 2015Every special weather statement in 2015
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.