Alert archive / California / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 2, NWS Reno, NV

July 10, 2001Plumas County, California

NWS Reno, NV issued this severe thunderstorm warning at Jul 10, 2001, 1:29 PM PDT for Plumas County, California. It was in force for 31 min. No storm report in the archive falls 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.

The facts

Issued: Jul 10, 2001, 1:29 PM PDT (20:29 UTC)
Expired: Jul 10, 2001, 2:00 PM PDT
In force: 31 min
Issued by: NWS Reno, NV
Area: Whole counties; the outline is the Mesonet’s reconstruction

County Plumas County, CA

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 8.5 hours before the alert went out and 198 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 16 J/kg
Mixed-layer CIN: -195 J/kg
Mixed-layer LCL: 2236 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 39 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KREV 102030
SVRRNO

CAC063-102100-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
129 PM PDT TUE JUL 10 2001

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN PLUMAS COUNTY IN NORTHERN CALIFORNIA THIS INCLUDES 
  THE CITY OF BECKWOURTH..PORTOLA...DAVIS LAKE

* UNTIL 200 PM PDT

* AT 119 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER BECKWOURTH...OR ABOUT 4 MILES WEST OF
  BECKWOURTH...MOVING NORTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  2 MILES EAST OF LAKE DAVIS AT 200 PM PDT

REPORT DAMAGING WEATHER TO THE NEAREST LAW ENFORCEMENTE AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

LAT...LON 3972 12055 3975 12032 4003 12035 3999 12064

The office that day

Everything else NWS Reno, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 10, 2:15 PM PDT	Severe Thunderstorm Warning	REV	Alpine	45 min
Jul 10, 3:00 PM PDT	Severe Thunderstorm Warning	REV	Nevada, Sierra	30 min
Jul 10, 3:45 PM PDT	Severe Thunderstorm Warning	REV	Placer	45 min
Jul 10, 4:20 PM PDT	Flash Flood Warning	REV	Alpine, Mono	55 min
Jul 10, 4:40 PM PDT	Flash Flood Warning	REV	Nevada, Placer	60 min

Nearby

Severe Thunderstorm Warnings in California, 2001 Every 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; the sounding from the Mesonet's radiosonde archive.