Alert archive / Nevada / Special Weather Statements in 2012

Special Weather Statement, NWS Reno, NV

August 14, 2012

NWS Reno, NV issued this special weather statement at Aug 14, 2012, 2:45 PM PDT. 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 as issued.

The facts

Issued: Aug 14, 2012, 2:45 PM PDT (21:45 UTC)
Expired: Aug 14, 2012, 3:30 PM PDT
In force: 45 min
Issued by: NWS Reno, NV

The radar

The Reno radar (KRGX), 89 km from the middle of the area, began a volume at 21:48 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, 9.8 hours before the alert went out and 170 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: 2794 m above ground
0-6 km bulk shear: 4 kt
0-1 km storm-relative helicity: -4 m²/s²
0-3 km storm-relative helicity: 12 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 14, 3:10 AM PDT, 11 hours 35 minutes earlier.

Area forecast discussion, Aug 14, 3:10 AM PDT, 11 hours 35 minutes before

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</head>
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
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        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 14, 2:45 PM PDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
245 PM PDT TUE AUG 14 2012

CAZ072-NVZ002-142230-
GREATER LAKE TAHOE AREA-
245 PM PDT TUE AUG 14 2012

...THUNDERSTORMS SOUTHWEST OF LAKE TAHOE...

AT 235 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM ABOUT 5 MILES SOUTHWEST OF LAKE TAHOE. THIS
STORM WAS NEARLY STATIONARY.

FREQUENT LIGHTNING...AND GUSTY OUTFLOW WINDS TO 45 MPH...WILL
OCCUR WITH THIS STORM.

* LOCATIONS AFFECTED INCLUDE...CRYSTAL BAY...GLENBROOK...INCLINE
  VILLAGE...ZEPHYR COVE...ALPINE MEADOWS AND BLISS STATE PARK.

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 3926 12003 3927 11991 3914 11991 3886 11996
      3884 12015 3903 12023 3917 12027 3919 12026
TIME...MOT...LOC 2139Z 203DEG 1KT 3890 12006

TF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 14, 4:06 PM PDT	Special Weather Statement	REV		39 min
Aug 14, 4:58 PM PDT	Special Weather Statement	REV	Mineral	47 min
Aug 14, 4:59 PM PDT	Special Weather Statement	REV		61 min
Aug 14, 4:18 PM PDT	Severe Thunderstorm Warning	REV	Nevada, Placer	42 min
Aug 14, 4:26 PM PDT	Flash Flood Warning	REV	Nevada, Placer	2 hr

Nearby

Special Weather Statements in Nevada, 2012 Every special weather statement in 2012

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.