Alert archive / Nevada / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 5, NWS Reno, NV

July 10, 2001Douglas County, Washoe County, Nevada; Placer County, California

NWS Reno, NV issued this severe thunderstorm warning at Jul 10, 2001, 3:45 PM PDT for Douglas County, Washoe County, Nevada; Placer County, California. It was in force for 45 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, 3:45 PM PDT (22:45 UTC)
Expired: Jul 10, 2001, 4:30 PM PDT
In force: 45 min
Issued by: NWS Reno, NV
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Placer County, CA, Douglas County, NV, Washoe County, NV

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 10.8 hours before the alert went out and 161 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 102243
SVRRNO

CAC061-NVC005-031-510-102330-

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

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME NORTHEASTERN PLACER COUNTY IN CENTRAL CALIFORNIA
  THIS INCLUDES THE CITY OF KINGS BEACH
  WESTERN CARSON CITY IN WESTERN NEVADA
  EXTREME NORTHWESTERN DOUGLAS COUNTY IN WESTERN NEVADA
  EXTREME SOUTHWESTERN WASHOE COUNTY IN WESTERN NEVADA
  THIS INCLUDES THE CITY OF INCLINE VILLAGE

* UNTIL 430 PM PDT

* AT 340 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED   
  A SEVERE THUNDERSTORM OVER GLENBROOK...OR ABOUT 9 MILES SOUTH OF   
  INCLINE VILLAGE...MOVING NORTH AT 10 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  OVER CRYSTAL BAY...INCLINE VILLAGE...4 MILES EAST OF CARNELIAN BAY
  AT 420 PM PDT
  OVER KINGS BEACH AT 425 PM PDT
  6 MILES EAST OF NORTHSTAR AT 430 PM PDT

* OTHER LOCATIONS IN THE WARNING INCLUDE SPOONER SUMMIT

HAIL...INTENSE RAIN AND STRONG DAMAGING WINDS ARE LIKELY WITH THIS
STORM. TAKE COVER IN A SUBSTANTIAL SHELTER UNTIL THE STORM PASSES.

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

LAT...LON 3903 12005 3908 11983 3930 11987 3927 12016

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 Jul 10, 3:00 PM PDT, 45 minutes earlier.

Area forecast discussion, Jul 10, 3:00 PM PDT, 45 minutes before

WESTERN NEVADA AND EASTERN CALIFORNIA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RENO NV
300 PM PDT TUE JUL 10 2001

NE CA TO WRN NV IS ACTIVE WITH CONVECTION THIS AFTERNOON AFTER BEING
INITIATED OVER THE SIERRA AND NE CA MOUNTAINS.  UPPER DIVERGENCE IS
PRODUCING STRONG THUNDERSTORMS OVER NE CA AND DEVELOPMENT IS EXPECTED
TO SPREAD TO WEST CENTRAL NV UNDER A FAVORABLE UPPER/LOWER COUPLET
THROUGH THIS EVENING. ALTHOUGH PRECIPITABLE WATER IS A MARGINAL .75
INCH...STORMS ARE MOVING SLOW ENOUGH TO PRESENT A RISK OF LOCAL HEAVY
RAIN.  A FEW STORMS MAY ALSO PRODUCE LARGE HAIL...MAINLY FROM ABOUT
TAHOE NORTH UNDER THE UPPER DIVERGENCE.  PRECIPITATION MAY LINGER IN
THE WEST CENTRAL THROUGH LATE EVENING BUT THE TREND AFTER 9 PM SHOULD
BE DECREASING WITH AT LEAST PARTIAL CLEARING OVERNIGHT. STRONGER SW
WIND ALOFT WEDNESDAY AFTERNOON SHOULD MOVE THUNDERSTORMS OFF THE
SIERRA CREST BUT NOT BY MUCH WITH SCATTERED ACTIVITY STILL NORTH AND
WEST CENTRAL NV.  THE SW FLOW BECOMES STRONGER STILL THURSDAY WITH THE
AIRMASS STABILIZING AND SOME HIGH LEVEL MOISTURE POSSIBLY LEE ENHANCED
OFF THE SIERRA BY AFTERNOON.  THERE MAY SOME RISK OF SHOWERS NE CA AS
A VORTICITY MAXIMUM MOVES NE OVER THE AREA WITH SHORT WAVE MOVING
INLAND FROM OFF THE WEST COAST.  THE EXTENDED PERIOD IS MAINLY UNDER
THE INFLUENCE OF DRY SOUTHWEST FLOW ALOFT WITH COOLER BREEZY
CONDITIONS SUNDAY THROUGH TUESDAY.  OSTERMAN.

.REV...FLASH FLOOD WATCH ZONES CAZ 70>73 AND NVZ 1>5 UNTIL 9 PM.

In the hours before

Local storm report, Jul 10, 10:27 AM PDT, 5 hours 18 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO, NV
1027 AM PDT TUE JUL 10 2001

TIME(PDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0116 PM    PORTOLA                   CA   .88 INCH HAIL
07/10/01   PLUMAS                         REPORTED BY SPOTTERS

0135 PM    PORTOLA                   CA   WIND DAMAGE
07/10/01   PLUMAS                         SPOTTERS REPORTED
                                          ELECTRICITY OUT

0144 PM    PORTOLA                   CA   FLASH FLOOD
07/10/01   PLUMAS                         SPOTTERS REPORTED SOME
                                          STREET FLOODING

0144 PM    2 W PORTOLA               CA   FLASH FLOOD
07/10/01   PLUMAS                         >0.75 INCHES OF RAIN IN <
                                          30 MINUTES.

0222 PM    KINGSBURY GRADE           NV   FLASH FLOOD
07/10/01   DOUGLAS COUNTY                 MUD/ROCK SLIDES REPORTED

0250 PM    TRUCKEE                   CA   .75 INCH HAIL
07/10/01   NEVADA

0259 PM    GLENSHIRE                 CA   .75 INCH HAIL
07/10/01   NEVADA

0500 PM    6 SW GARDNERVILLE         NV   FLASH FLOOD
07/10/01   DOUGLAS                        1.39 INCHES OF RAIN IN 2
                                          HOURS

0515 PM    TOPAZ LAKE                NV   FLASH FLOOD
07/10/01   DOUGLAS                        STORM TOTAL PRECIP: 0.91
                                          INCHES

0515 PM    LOYALTON                  CA   FLASH FLOOD
07/10/01   SIERRA                         0.75 INCHES OF RAIN IN 2
                                          1/2 HOURS. ROADWAY AND
                                          STREAM FLOODING.

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	Douglas	45 min
Jul 10, 4:20 PM PDT	Flash Flood Warning	REV	Douglas	55 min
Jul 10, 4:40 PM PDT	Flash Flood Warning	REV	Washoe	60 min
Jul 10, 1:29 PM PDT	Severe Thunderstorm Warning	REV	Plumas	31 min
Jul 10, 3:00 PM PDT	Severe Thunderstorm Warning	REV	Nevada, Sierra	30 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2001 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.