Alert archive / California / Special Weather Statements in 2017
Special Weather Statement, NWS Eureka, CA
NWS Eureka, CA issued this special weather statement at Apr 7, 2017, 12:13 AM PDT for Humboldt County, California. It was in force for 32 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
- Apr 7, 2017, 12:13 AM PDT (07:13 UTC)
- Expired
- Apr 7, 2017, 12:45 AM PDT
- In force
- 32 min
- Issued by
- NWS Eureka, CA
County Humboldt County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 28 km from the middle of the area, began a volume at 07:17 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 00:00Z, 7.2 hours before the alert went out and 215 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
- 1869 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 133 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
372
WWUS86 KEKA 070713
SPSEKA
Special Weather Statement
National Weather Service Eureka CA
1213 AM PDT FRI APR 7 2017
CAZ103-104-106-070745-
Southwestern Humboldt-Northern Humboldt Coast-Southern Humboldt
Interior-
1213 AM PDT FRI APR 7 2017
...A SHOWER WILL AFFECT WEST CENTRAL HUMBOLDT COUNTY...
At 1213 AM PDT, a shower was located 10 miles west of Fortuna, or 18
miles southwest of Eureka, moving northeast at 45 mph.
Wind gusts of 50 to 55 mph and pea size hail are possible with this
shower.
Locations impacted include...
Eureka, Arcata, Fortuna, McKinleyville, Ferndale, Blue Lake,
Myrtletown, Cutten, Fairhaven, Humboldt Hill, Freshwater, Samoa,
Loleta, Pine Hills, Bayview and Fernbridge.
This shower may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
LAT...LON 4060 12442 4079 12435 4100 12418 4087 12394
4083 12392 4085 12392 4084 12389 4046 12432
4051 12442
TIME...MOT...LOC 0713Z 215DEG 39KT 4058 12436
$$
MKKThe office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 6, 8:19 PM PDT | Winter Weather Advisory | EKA | 8 hr | |
| Apr 7, 12:42 AM PDT | Special Weather Statement | EKA | Humboldt | 33 min |
| Apr 7, 1:04 AM PDT | Special Weather Statement | EKA | Humboldt | 26 min |
| Apr 7, 1:21 AM PDT | Special Weather Statement | EKA | Del Norte | 24 min |
| Apr 7, 1:42 AM PDT | Special Weather Statement | EKA | Humboldt | 33 min |
| Apr 7, 2:07 AM PDT | Special Weather Statement | EKA | Del Norte | 23 min |
| Apr 7, 2:24 AM PDT | Special Weather Statement | EKA | Del Norte | 36 min |
| Apr 7, 2:45 AM PDT | Special Weather Statement | EKA | Humboldt | 30 min |
| Apr 7, 3:23 AM PDT | Special Weather Statement | EKA | Del Norte | 22 min |
| Apr 7, 4:13 AM PDT | Winter Weather Advisory | EKA | Del Norte, Humboldt, Mendocino, Trinity | 31 hr |
| Apr 7, 6:29 AM PDT | Special Weather Statement | EKA | Del Norte | 16 min |
| Apr 7, 9:20 AM PDT | Small Craft Advisory | EKA | 6 hr | |
| Apr 7, 9:20 AM PDT | Hazardous Seas Warning | EKA | 6 hr | |
| Apr 7, 3:25 PM PDT | Small Craft Advisory | EKA | 3 hr | |
| Apr 7, 3:25 PM PDT | Hazardous Seas Warning | EKA | 18 hr |
Nearby
Special Weather Statements in California, 2017Every special weather statement in 2017
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.