Alert archive / California / Severe Thunderstorm Warnings in 2001
Severe Thunderstorm Warning 6, NWS Eureka, CA
NWS Eureka, CA issued this severe thunderstorm warning at Jul 11, 2001, 3:14 PM PDT for Humboldt County, Trinity County, California. It was in force for 46 min. 1 report came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- Jul 11, 2001, 3:14 PM PDT (22:14 UTC)
- Expired
- Jul 11, 2001, 4:00 PM PDT
- In force
- 46 min
- Issued by
- NWS Eureka, CA
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Humboldt County, CA, Trinity County, CA
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 11, 3:30 PM PDT | Hail 1 | Salyer, CA |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The nearest sounding before it
Medford/Jackson, OR (KMFR), launched 12:00Z, 10.2 hours before the alert went out and 158 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
- 7 J/kg
- Mixed-layer CIN
- -453 J/kg
- Mixed-layer LCL
- 1260 m above ground
- 0-6 km bulk shear
- 12 kt
- 0-1 km storm-relative helicity
- 40 m²/s²
- 0-3 km storm-relative helicity
- 68 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS56 KEKA 112216 SVREKA CAC023-105-112300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE EUREKA CA 314 PM PDT WED JUL 11 2001 THE NATIONAL WEATHER SERVICE IN EUREKA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHEASTERN HUMBOLDT COUNTY IN NORTHWEST CALIFORNIA THIS INCLUDES THE CITIES OF...HOOPA...WEITCHPEC NORTHWESTERN TRINITY COUNTY IN NORTHWEST CALIFORNIA * UNTIL 400 PM PDT * AT 312 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 6 MILES EAST OF HOOPA...MOVING NORTHWEST AT 10 MPH. * THE SEVERE THUNDERSTORM WILL BE NEAR... 5 MILES NORTHEAST OF HOOPA AT 325 PM PDT 3 MILES EAST OF WEITCHPEC AT 400 PM PDT VERY LARGE HAIL IS POSSIBLE WITH THIS SEVERE THUNDERSTORM. IF YOU ARE IN THE PATH OF THE STORM SEEK SHELTER IMMEDIATELY. THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH YOU SHOULD PREPARE FOR DAMAGING WINDS IN EXCESS OF 55 MPH...LARGE HAIL...AND DEADLY LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS. REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN EUREKA. LAT...LON 4118 12393 4084 12365 4103 12322 4130 12358
The office that day
Everything else NWS Eureka, CA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 11, 1:22 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 23 min |
| Jul 11, 1:48 PM PDT | Severe Thunderstorm Warning | EKA | Trinity | 42 min |
| Jul 11, 2:34 PM PDT | Severe Thunderstorm Warning | EKA | Humboldt, Trinity | 41 min |
Nearby
Severe Thunderstorm Warnings in California, 2001Every severe thunderstorm warning in 2001
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.