Alert archive / California / Special Weather Statements in 2012

Special Weather Statement, NWS Reno, NV

July 23, 2012Sierra County, California

NWS Reno, NV issued this special weather statement at Jul 23, 2012, 4:50 PM PDT for Sierra County, California. It was in force for 25 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: Jul 23, 2012, 4:50 PM PDT (23:50 UTC)
Expired: Jul 23, 2012, 5:15 PM PDT
In force: 25 min
Issued by: NWS Reno, NV

County Sierra County, CA

The radar

The Reno radar (KRGX), 65 km from the middle of the area, began a volume at 23:51 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, 11.8 hours before the alert went out and 175 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: 7 J/kg
Mixed-layer CIN: -236 J/kg
Mixed-layer LCL: 2038 m above ground
0-6 km bulk shear: 36 kt
0-1 km storm-relative helicity: 86 m²/s²
0-3 km storm-relative helicity: 254 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 Jul 23, 3:04 PM PDT, 1 hour 46 minutes earlier.

Area forecast discussion, Jul 23, 3:04 PM PDT, 1 hour 46 minutes before

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In the hours before

Special weather statement, Jul 23, 1:58 PM PDT, 2 hours 52 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
158 PM PDT MON JUL 23 2012

NVZ001-232145-
MINERAL AND SOUTHERN LYON COUNTIES-
158 PM PDT MON JUL 23 2012

...STRONG THUNDERSTORM LIFTING NORTHEAST ACROSS MINERAL
COUNTY...

AT 148 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM 20 MILES SOUTHWEST OF MINA...OR 25 MILES NORTH
OF BENTON...AND MOVING NORTHEAST AT 25 MPH.

FREQUENT DEADLY LIGHTNING...MODERATE TO HEAVY RAIN...AND SMALL PEA
SIZE HAIL...ARE LIKELY WITH THIS STORM. THE RAINS MAY CAUSE PONDING
OF WATER ON HIGHWAY 95 BETWEEN MINA AND TONOPAH JUNCTION.

* LOCATIONS AFFECTED INCLUDE...MINA AND TONOPAH JUNCTION.

&&

LAT...LON 3857 11812 3842 11787 3806 11827 3816 11845
TIME...MOT...LOC 2054Z 217DEG 21KT 3818 11829

Local storm report, Jul 23, 2:22 PM PDT, 2 hours 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE RENO NV
222 PM PDT MON JUL 23 2012

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0222 PM     LIGHTNING        SUTCLIFFE               39.95N 119.60W
07/23/2012                   WASHOE             NV   TRAINED SPOTTER

            TRAINED WEATHER SPOTTER REPORTED FREQUENT LIGHTNING AND
            BLOWING DUST.

&&

MCGUIRE

Special weather statement, Jul 23, 2:22 PM PDT, 2 hours 28 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
222 PM PDT MON JUL 23 2012

NVZ003-004-232245-
GREATER RENO-CARSON CITY-MINDEN AREA-WESTERN NEVADA BASIN AND RANGE
INCLUDING PYRAMID LAKE-
222 PM PDT MON JUL 23 2012

...THUNDERSTORMS APPROACHING PYRAMID LAKE...

AT 215 PM PDT...NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING
A STRONG THUNDERSTORM NEAR SUTCLIFFE...OR 10 MILES SOUTH OF PYRAMID
LAKE...AND MOVING NORTHEAST AT 25 MPH.

FREQUENT DEADLY LIGHTNING...MODERATE TO HEAVY RAIN...AND SMALL PEA
SIZE HAIL...ARE LIKELY WITH THIS STORM. ADDITIONAL THUNDERSTORMS ARE
POSSIBLE IN THE PYRAMID LAKE REGION THROUGH 4 PM.

* LOCATIONS AFFECTED INCLUDE...PYRAMID LAKE...SUTCLIFFE AND THE
  NEEDLE ROCKS.

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 4024 11968 4004 11920 3979 11951 3991 11975
TIME...MOT...LOC 2117Z 216DEG 21KT 3992 11956

MYRICK

Special weather statement, Jul 23, 3:25 PM PDT, 1 hour 25 minutes before

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Local storm report, Jul 23, 3:42 PM PDT, 1 hour 8 minutes before

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Special weather statement, Jul 23, 4:50 PM PDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 22, 5:14 PM PDT	Special Weather Statement	REV	Lyon	61 min
Jul 22, 5:37 PM PDT	Flash Flood Warning	REV	Douglas	113 min
Jul 22, 6:24 PM PDT	Special Weather Statement	REV	Storey	36 min
Jul 22, 6:53 PM PDT	Special Weather Statement	REV	Storey	22 min
Jul 22, 7:09 PM PDT	Special Weather Statement	REV	Storey	66 min
Jul 23, 6:36 AM PDT	Special Weather Statement	REV		24 min
Jul 23, 11:41 AM PDT	Special Weather Statement	REV	Mineral	34 min
Jul 23, 1:58 PM PDT	Special Weather Statement	REV	Mineral	47 min
Jul 23, 2:22 PM PDT	Special Weather Statement	REV		83 min
Jul 23, 3:25 PM PDT	Special Weather Statement	REV		50 min
Jul 22, 5:56 PM PDT	Special Weather Statement	REV	Mono	64 min
Jul 23, 1:57 PM PDT	Special Weather Statement	REV	Sierra	48 min

Nearby

Special Weather Statements in California, 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.