Alert archive / California / Special Weather Statements in 2021
Special Weather Statement, NWS Eureka, CA
NWS Eureka, CA issued this special weather statement at Jun 23, 2021, 2:32 PM PDT for Trinity County, California. It was in force for 28 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
- Jun 23, 2021, 2:32 PM PDT (21:32 UTC)
- Expired
- Jun 23, 2021, 3:00 PM PDT
- In force
- 28 min
- Issued by
- NWS Eureka, CA
County Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 76 km from the middle of the area, began a volume at 21:35 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
Medford/Jackson, OR (KMFR), launched 12:00Z, 9.5 hours before the alert went out and 226 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
- 1648 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 23 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
741 WWUS86 KEKA 232132 SPSEKA Special Weather Statement National Weather Service Eureka CA 232 PM PDT Wed Jun 23 2021 CAZ108-232200- Southern Trinity CA- 232 PM PDT Wed Jun 23 2021 ...SIGNIFICANT WEATHER ADVISORY FOR WEST CENTRAL TRINITY COUNTY UNTIL 300 PM PDT... At 231 PM PDT, Doppler radar was tracking a strong thunderstorm near Forest Glen, or 19 miles southwest of Hayfork, moving northwest at 15 mph. Pea size hail and winds up to 40 mph will be possible with this storm. Locations impacted include... Ruth and Forest Glen. LAT...LON 4040 12327 4027 12340 4036 12354 4051 12354 TIME...MOT...LOC 2131Z 125DEG 11KT 4037 12341 $$ RPA
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 12:59 PM PDT | Excessive Heat Watch | EKA | Humboldt, Lake, Mendocino, Trinity | 25 hr |
| Jun 23, 3:14 PM PDT | Coastal Flood Advisory | EKA | Humboldt | 10 hr |
Nearby
Special Weather Statements in California, 2021Every special weather statement in 2021
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.