Alert archive / California / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 2, NWS Reno, NV

August 17, 2016Lassen County, Plumas County, Sierra County, California

NWS Reno, NV issued this severe thunderstorm warning at Aug 17, 2016, 6:19 PM PDT for Lassen County, Plumas County, Sierra County, California. It was in force for 41 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
Aug 17, 2016, 6:19 PM PDT (01:19 UTC)
Expired
Aug 17, 2016, 7:00 PM PDT
In force
41 min
Issued by
NWS Reno, NV
Area
Storm-based polygon

Counties Lassen County, CA, Plumas County, CA, Sierra County, CA

The radar

The Reno radar (KRGX), 69 km from the middle of the area, began a volume at 01:19 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

Reno, NV (KREV), launched 00:00Z, 1.3 hours before the alert went out and 179 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-pSkew-T log-p diagram, Reno, NV at 00:00Z on 2016-08-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 152 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Reno, NV at 00:00Z on 2016-08-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 7 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
152 J/kg
Mixed-layer CIN
-50 J/kg
Mixed-layer LCL
3633 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
7 m²/s²
0-3 km storm-relative helicity
24 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

511 
WUUS55 KREV 180119
SVRREV
CAC035-063-091-180200-
/O.NEW.KREV.SV.W.0002.160818T0119Z-160818T0200Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
619 PM PDT WED AUG 17 2016

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LASSEN COUNTY IN NORTHERN CALIFORNIA...
  PLUMAS COUNTY IN NORTHERN CALIFORNIA...
  SIERRA COUNTY IN NORTHERN CALIFORNIA...

* UNTIL 700 PM PDT

* AT 617 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM
  WAS LOCATED NEAR VINTON...OR NEAR BECKWOURTH...AND MOVING SOUTHEAST
  AT 5 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THE DAMAGING WINDS.

* LOCATIONS IMPACTED INCLUDE...
  BECKWOURTH...CHILCOOT...VINTON...CHILCOOT-VINTON...
  HALLELUJAH JUNCTION...FRENCHMAN LAKE...LOYALTON...
  FRENCHMAN CAMPGROUND...SPRING CREEK CAMPGROUND...
  CA 49 AT SIERRA-PLUMAS CO LINE...CA 70 AT PLUMAS-LASSEN CO LINE...
  BECKWOURTH-NERVINO AIRPORT...
  BIG COVE CAMPGROUND AND CHILCOOT CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM HAS DEVELOPED VERY QUICKLY AND WILL PRODUCE A BURST OF
HIGH WINDS.  AREAS OF BLOWING DUST MAY RAPIDLY REDUCE VISIBILITIES TO
BELOW ONE MILE.  SEEK SAFE SHELTER AND STAY AWAY FROM WINDOWS.

WIND DAMAGE WITH THIS STORM WILL OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING.  SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS.  AREAS OF BLOWING DUST WILL RAPIDLY REDUCE
VISIBILITIES TO BELOW ONE MILE.

IF YOU ARE ON FRENCHMAN LAKE TAKE SHELTER IMMEDIATELY. 

&&

LAT...LON 3984 12041 3995 12021 3976 12001 3963 12028
TIME...MOT...LOC 0117Z 325DEG 5KT 3984 12026 

$$

JW
2 follow-up statements
665 
WWUS55 KREV 180146
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
646 PM PDT WED AUG 17 2016

CAC035-063-091-180200-
/O.CON.KREV.SV.W.0002.000000T0000Z-160818T0200Z/
LASSEN CA-PLUMAS CA-SIERRA CA-
646 PM PDT WED AUG 17 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM PDT
FOR SOUTHEASTERN LASSEN...PLUMAS AND SIERRA COUNTIES...

AT 646 PM PDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE
OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS
LOCATED NEAR VINTON...OR NEAR CHILCOOT. THIS STORM WAS NEARLY
STATIONARY. PENNY SIZE HAIL MAY ALSO ACCOMPANY THE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
BECKWOURTH...CHILCOOT...VINTON...CHILCOOT-VINTON...
HALLELUJAH JUNCTION...FRENCHMAN LAKE...LOYALTON...
FRENCHMAN CAMPGROUND...SPRING CREEK CAMPGROUND...
CA 49 AT SIERRA-PLUMAS CO LINE...CA 70 AT PLUMAS-LASSEN CO LINE...
BECKWOURTH-NERVINO AIRPORT...
BIG COVE CAMPGROUND AND CHILCOOT CAMPGROUND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

WIND DAMAGE WITH THIS STORM WILL OCCUR WELL AHEAD OF ANY RAIN OR
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

&&

LAT...LON 3984 12041 3995 12021 3976 12001 3963 12028
TIME...MOT...LOC 0146Z 325DEG 5KT 3983 12025 

$$

JW
002 
WWUS55 KREV 180159
SVSREV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
659 PM PDT WED AUG 17 2016

CAC035-063-091-180209-
/O.EXP.KREV.SV.W.0002.000000T0000Z-160818T0200Z/
LASSEN CA-PLUMAS CA-SIERRA CA-
659 PM PDT WED AUG 17 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LASSEN...PLUMAS
AND SIERRA COUNTIES WILL EXPIRE AT 700 PM PDT...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 3984 12041 3995 12021 3976 12001 3963 12028
TIME...MOT...LOC 0148Z 325DEG 5KT 3983 12025 

$$

JW

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 2:43 PM PDTSpecial Weather StatementREVSierra32 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.