Alert archive / California / Severe Thunderstorm Warnings in 2016
Severe Thunderstorm Warning 2, NWS Eureka, CA
NWS Eureka, CA issued this severe thunderstorm warning at May 5, 2016, 1:56 PM PDT for Trinity County, California. It was in force for 34 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
- May 5, 2016, 1:56 PM PDT (20:56 UTC)
- Expired
- May 5, 2016, 2:30 PM PDT
- In force
- 34 min
- Issued by
- NWS Eureka, CA
- Area
- Storm-based polygon
County Trinity County, CA
The radar
The Eureka (Bunker Hill) radar (KBHX), 81 km from the middle of the area, began a volume at 20:56 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, 8.9 hours before the alert went out and 173 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
- 6 J/kg
- Mixed-layer CIN
- -196 J/kg
- Mixed-layer LCL
- 546 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
351
WUUS56 KEKA 052056
SVREKA
CAC105-052130-
/O.NEW.KEKA.SV.W.0002.160505T2056Z-160505T2130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE EUREKA
156 PM PDT THU MAY 5 2016
THE NATIONAL WEATHER SERVICE IN EUREKA CALIFORNIA HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHWESTERN TRINITY COUNTY IN NORTHWESTERN CALIFORNIA...
* UNTIL 230 PM PDT
* AT 155 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND WIND GUSTS TO 40 MPH.
THIS STORM WAS LOCATED NEAR SALYER...OR 7 MILES EAST OF WILLOW
CREEK...AND MOVING SOUTHWEST AT 5 MPH.
* LOCATIONS IMPACTED INCLUDE...
SALYER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND WINDS...CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER... IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 4093 12361 4093 12354 4091 12348 4095 12344
4096 12344 4085 12338 4081 12353
TIME...MOT...LOC 2055Z 061DEG 6KT 4090 12349
$$
RPA1 follow-up statement
091
WWUS56 KEKA 052108
SVSEKA
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE EUREKA
208 PM PDT THU MAY 5 2016
CAC105-052130-
/O.CON.KEKA.SV.W.0002.000000T0000Z-160505T2130Z/
TRINITY CA-
208 PM PDT THU MAY 5 2016
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM PDT
FOR NORTHWESTERN TRINITY COUNTY...
AT 207 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND WIND GUSTS TO 40 MPH.
THIS STORM WAS LOCATED NEAR SALYER... OR NEAR WILLOW CREEK...MOVING
SOUTHWEST AT 5 MPH.
LOCATIONS IMPACTED INCLUDE...
SALYER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IN ADDITION TO LARGE HAIL AND WINDS...CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURE'S LEADING KILLERS. REMEMBER... IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.
&&
LAT...LON 4093 12361 4093 12354 4091 12348 4092 12347
4084 12341 4081 12353
TIME...MOT...LOC 2107Z 061DEG 6KT 4089 12351
$$
RPAThe office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 4, 5:31 PM PDT | Special Weather Statement | EKA | Trinity | 29 min |
| May 5, 1:16 PM PDT | Special Weather Statement | EKA | Trinity | 44 min |
| May 5, 1:39 PM PDT | Special Weather Statement | EKA | Trinity | 36 min |
| May 5, 2:06 PM PDT | Special Weather Statement | EKA | Trinity | 39 min |
| May 5, 2:22 PM PDT | Special Weather Statement | EKA | Trinity | 38 min |
| May 5, 2:32 PM PDT | Special Weather Statement | EKA | Humboldt | 43 min |
| May 5, 2:39 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt | 36 min |
| May 5, 3:28 PM PDT | Special Weather Statement | EKA | Humboldt | 32 min |
Nearby
Severe Thunderstorm Warnings in California, 2016Every severe thunderstorm 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.