Alert archive / California / Severe Thunderstorm Warnings in 2000

Severe Thunderstorm Warning 14, NWS Reno, NV

June 29, 2000Washoe County, Nevada; Nevada County, Sierra County, California

NWS Reno, NV issued this severe thunderstorm warning at Jun 29, 2000, 3:58 PM PDT for Washoe County, Nevada; Nevada County, Sierra County, California. It was in force for 42 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 29, 2000, 3:58 PM PDT (22:58 UTC)
Expired: Jun 29, 2000, 4:40 PM PDT
In force: 42 min
Issued by: NWS Reno, NV
Area: Whole counties

Counties Nevada County, CA, Sierra County, CA, Washoe County, NV

The radar

The Reno radar (KRGX), 74 km from the middle of the area, began a volume at 22:59 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 12:00Z, 11.0 hours before the alert went out and 184 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 2571 m above ground
0-6 km bulk shear: 1 kt
0-1 km storm-relative helicity: -23 m²/s²
0-3 km storm-relative helicity: 77 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 292302
SVRRNO
CAC057-091-NVC031-292345-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
358 PM PDT THU JUN 29 2000

THE NATIONAL WEATHER SERVICE IN RENO HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME NORTHEASTERN NEVADA COUNTY IN CENTRAL CALIFORNIA   
  THIS INCLUDES THE TOWN OF FLORISTON 
  EXTREME SOUTHEASTERN SIERRA COUNTY IN NORTHERN CALIFORNIA
  THIS INCLUDES THE TOWN OF VERDI
  EXTREME SOUTHWESTERN WASHOE COUNTY IN WESTERN NEVADA

* UNTIL 440 PM PDT

* AT 349 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
  SEVERE THUNDERSTORM NEAR HIRSCHDALE...MOVING NORTHEAST AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NEAR VERDI AND FLORISTON AT 415 PM PDT

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS 
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.  
HEAVY RAIN MAY CAUSE FLOODING IN SMALL STREAMS AND CREEKS AS WELL AS 
ROCK FALLS ON INTERSTATE 80 IN THE TRUCKEE RIVER CANYON.

REPORT SEVERE WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE IN RENO.

LAT...LLON 3937 12015 3924 11999 3942 11980 3958 11997

SO/JC

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Reno, NV wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 29, 3:30 PM PDT, 28 minutes earlier.

Area forecast discussion, Jun 29, 3:30 PM PDT, 28 minutes before

NORTHEAST CALIFORNIA AND WESTERN NEVADA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
330 PM PDT THU JUN 29 2000

AFTERNOON TSTMS DEVELOPING SIMILAR TO YESTERDAY WITH HEAVIEST
CELLS OVER SIERRA AND S ACROSS MINERAL COUNTY. THETA-E RIDGE
SUPPORT STRONG TSTMS CONTINUING THIS EVE WITH FLASH FLOOD WATCH
OVER SRN CWA UNTIL 9 PM. HOPEFULLY ANY LIGHTNING CAUSED FIRES WILL
BE EXTINGUISHED QUICKLY BY HEAVY DOWNPOURS. DRYING A COOLING TREND
BEGINNING FRIDAY AS PAC TROUGH SAGS SWD ALONG W COAST WITH INCREASING
SWLY FLOW AND LOWERING HEIGHTS AND THICKNESS VALUES. LI CHARTS SHOW
ZERO LINE NEAR RENO AND WILL KEEP MENTION OF SLIGHT CHC OF TSTMS
OVER TAHOE AREA AND NE CALIFORNIA WITH RESIDUAL MOISTURE AND
INSTABILITY. FURTHERN DRYING AND COOLING SATURDAY AND SUNDAY. BY
MONDAY AND TUESDAY MED RANGE MODELS...EXCEPT FOR NOGAPS SHOWS
TROUGH AXIS AND VORT MAX MOVING SLOWING EWD OVER NRN NV. WILL KEEP
MENTION OF SLIGHT CHANCE OF TSTMS N OF HIGHWAY 50 MON AND TUESDAY
WITH DIFLUENT UPPER FLOW AHEAD OF VORT MAX. TYPICAL COOL AND BREEZY
FOR THE 4TH OF JULY. CYLKE

.REV...EASTERN CALIFORNIA...FLASH FLOOD WATCH UNTIL 9 PM CAZ071.
       WESTERN NEVADA...FLASH FLOOD WATCH UNTIL 9 PM NVZ001 AND SRN
       NVZ003.

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 28, 5:11 PM PDT	Severe Thunderstorm Warning	REV	Lyon, Storey, Washoe	34 min
Jun 28, 6:45 PM PDT	Severe Thunderstorm Warning	REV	Douglas, Lyon, Washoe	20 min
Jun 29, 2:11 PM PDT	Severe Thunderstorm Warning	REV	Douglas	34 min
Jun 29, 4:30 PM PDT	Severe Thunderstorm Warning	REV	Storey, Washoe	30 min

Nearby

Severe Thunderstorm Warnings in California, 2000 Severe Thunderstorm Warnings in Nevada, 2000 Every severe thunderstorm warning in 2000

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.