Alert archive / California / Special Weather Statements in 2014

Special Weather Statement, NWS Reno, NV

August 11, 2014Sierra County, California

NWS Reno, NV issued this special weather statement at Aug 11, 2014, 1:14 PM PDT for Sierra County, California. It was in force for 61 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 11, 2014, 1:14 PM PDT (20:14 UTC)
Expired: Aug 11, 2014, 2:15 PM PDT
In force: 61 min
Issued by: NWS Reno, NV

County Sierra County, CA

The radar

The Reno radar (KRGX), 62 km from the middle of the area, began a volume at 20:14 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, 8.2 hours before the alert went out and 169 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: 11 J/kg
Mixed-layer CIN: -363 J/kg
Mixed-layer LCL: 2604 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 16 m²/s²
0-3 km storm-relative helicity: 172 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.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at Aug 11, 3:44 AM PDT, 9 hours 30 minutes earlier.

Area forecast discussion, Aug 11, 3:44 AM PDT, 9 hours 30 minutes before

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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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  <link rel="stylesheet" href="index.css">
</head>
<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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In the hours before

Special weather statement, Aug 11, 12:41 PM PDT, 33 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
1241 PM PDT MON AUG 11 2014

CAZ072-NVZ002-112015-
GREATER LAKE TAHOE AREA-
1241 PM PDT MON AUG 11 2014

...STRONG THUNDERSTORM ALONG THE WEST SIDE OF LAKE TAHOE...

AT 1236 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE
TRACKING A STRONG THUNDERSTORM NEAR BLISS STATE PARK...OR 9 MILES
WEST OF SOUTH LAKE TAHOE...AND MOVING NORTH AT 20 MPH.

FREQUENT DEADLY LIGHTNING...MODERATE RAIN...SMALL PEA SIZE HAIL...AND
STRONG GUSTY WINDS TO 50 MPH...WILL OCCUR WITH THIS STORM.

* LOCATIONS AFFECTED THROUGH 115 PM PDT INCLUDE...CRYSTAL BAY...
  INCLINE VILLAGE...ALPINE MEADOWS...CARNELIAN BAY...DOLLAR POINT AND
  HOMEWOOD.

IF ON OR NEAR A LAKE...GET OUT OF THE WATER AND MOVE INDOORS OR
INSIDE A VEHICLE NOW. DON'T BE CAUGHT ON THE WATER IN A THUNDERSTORM.
STRONG WIND GUSTS AND LIGHTNING POSE AN IMMEDIATE DANGER TO BOATERS.
GUSTY WINDS WILL CAUSE A RAPID INCREASE IN WAVE HEIGHTS WHICH MAY
CAPSIZE SMALL BOATS.

&&

LAT...LON 3924 12027 3926 11996 3890 12002 3889 12017
      3891 12019 3916 12027
TIME...MOT...LOC 1940Z 175DEG 19KT 3898 12014

DJ

Special weather statement, Aug 11, 1:12 PM PDT, 2 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
112 PM PDT MON AUG 11 2014

CAZ072-NVZ002-003-112045-
GREATER LAKE TAHOE AREA-GREATER RENO-CARSON CITY-MINDEN AREA-
112 PM PDT MON AUG 11 2014

...STRONG THUNDERSTORM NEAR GARDNERVILLE...

AT 110 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM 5 MILES NORTHWEST OF CARTER SPRINGS FIRE BURN
AREA...OR 5 MILES SOUTH OF GARDNERVILLE...AND MOVING NORTH AT 25 MPH.

OCCASIONAL LIGHTNING...MODERATE RAIN...SMALL PEA SIZE HAIL...AND
STRONG GUSTY WINDS TO 50 MPH...WILL OCCUR WITH THIS STORM.

* LOCATIONS AFFECTED THROUGH 145 PM PDT INCLUDE...GARDNERVILLE...
  GARDNERVILLE RANCH...GENOA...INDIAN HILLS...JOHNSON LANE AND CARSON
  CITY.

DURING A THUNDERSTORM...SEEK SHELTER INSIDE A STURDY STRUCTURE AND
STAY AWAY FROM WINDOWS. HIKERS AND CAMPERS SHOULD SEEK SHELTER IN A
VEHICLE IF POSSIBLE.

&&

LAT...LON 3916 11989 3919 11961 3879 11957 3877 11980
TIME...MOT...LOC 2011Z 173DEG 23KT 3887 11970

DJ

Special weather statement, Aug 11, 1:14 PM PDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
114 PM PDT MON AUG 11 2014

CAZ071-112115-
LASSEN-EASTERN PLUMAS-EASTERN SIERRA COUNTIES-
114 PM PDT MON AUG 11 2014

...STRONG THUNDERSTORM NEAR STAMPEDE RESERVOIR...

AT 111 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR STAMPEDE RESERVOIR...AND MOVING NORTH AT
20 MPH.

OCCASIONAL LIGHTNING...MODERATE RAIN...SMALL HAIL...AND STRONG GUSTY
WINDS TO 50 MPH...WILL OCCUR WITH THIS STORM.

* LOCATIONS AFFECTED THROUGH 215 PM PDT INCLUDE...DOG VALLEY...
  LOYALTON...STAMPEDE RESERVOIR...US 395 AT SIERRA-LASSEN CO
  LINE...CA 49 AT SIERRA-PLUMAS CO LINE.

BOATERS...HIKERS AND CAMPERS SHOULD SEEK SHELTER IN A VEHICLE IF
POSSIBLE. TENTS AND TREES ARE UNSAFE SHELTERS DURING THUNDERSTORMS.
STAY AWAY FROM CREEKS AND STREAMS AS WATER LEVELS MAY RISE RAPIDLY
NEAR THUNDERSTORMS.

&&

LAT...LON 3976 12029 3976 12001 3944 12001 3945 12024
TIME...MOT...LOC 2012Z 181DEG 19KT 3947 12012

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 11, 9:16 AM PDT	Fire Weather Watch	REV	Washoe	23 hr
Aug 11, 12:41 PM PDT	Special Weather Statement	REV		34 min
Aug 11, 1:12 PM PDT	Special Weather Statement	REV	Douglas	33 min
Aug 11, 1:43 PM PDT	Special Weather Statement	REV		62 min
Aug 11, 2:07 PM PDT	Special Weather Statement	REV		23 min
Aug 11, 2:13 PM PDT	Severe Thunderstorm Warning	REV	Lyon, Storey, Washoe	47 min
Aug 11, 2:33 PM PDT	Special Weather Statement	REV	Storey	42 min
Aug 11, 2:42 PM PDT	Areal Flood Advisory	REV	Washoe	3 hr
Aug 11, 2:57 PM PDT	Special Weather Statement	REV		48 min
Aug 11, 2:59 PM PDT	Severe Thunderstorm Warning	REV	Washoe	46 min
Aug 11, 3:12 PM PDT	Areal Flood Advisory	REV	Douglas	3 hr
Aug 11, 3:48 PM PDT	Areal Flood Advisory	REV		3 hr
Aug 11, 4:43 PM PDT	Special Weather Statement	REV	Washoe	47 min
Aug 10, 5:11 PM PDT	Special Weather Statement	REV	Sierra	49 min

Nearby

Special Weather Statements in California, 2014 Every special weather statement in 2014

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.