Alert archive / Nevada / Special Weather Statements in 2015

Special Weather Statement, NWS Reno, NV

July 22, 2015

NWS Reno, NV issued this special weather statement at Jul 22, 2015, 11:39 AM PDT. It was in force for 21 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 22, 2015, 11:39 AM PDT (18:39 UTC)
Expired: Jul 22, 2015, 12:00 PM PDT
In force: 21 min
Issued by: NWS Reno, NV

The radar

The Reno radar (KRGX), 87 km from the middle of the area, began a volume at 18:40 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, 6.7 hours before the alert went out and 165 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: 97 J/kg
Mixed-layer CIN: -135 J/kg
Mixed-layer LCL: 1492 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 75 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 22, 11:35 AM PDT, 4 minutes earlier.

Area forecast discussion, Jul 22, 11:35 AM PDT, 4 minutes before

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In the hours before

Special weather statement, Jul 22, 11:12 AM PDT, 27 minutes before

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Special weather statement, Jul 22, 11:30 AM PDT, 9 minutes before

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Special weather statement, Jul 22, 11:39 AM PDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE RENO NV
1139 AM PDT WED JUL 22 2015

CAZ072-NVZ002-221900-
GREATER LAKE TAHOE AREA CA-GREATER LAKE TAHOE AREA NV-
1139 AM PDT WED JUL 22 2015

...THUNDERSTORM DEVELOPING OVER LAKE TAHOE...

AT 1135 AM PDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM
OVER LAKE TAHOE EAST OF HOMEWOOD...MOVING NORTHEAST AT 10 MPH. THIS
STORM WILL REACH THE EAST SHORE BETWEEN GLENBROOK AND SAND HARBOR.

HEAVY RAIN...SMALL HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE
POSSIBLE WITH THIS STORM. WAVE HEIGHTS ON LAKE TAHOE MAY QUICKLY
RISE ABOVE 3 FEET.

LOCATIONS IMPACTED INCLUDE...
INCLINE VILLAGE-CRYSTAL BAY...GLENBROOK AND THE CARSON RANGE BETWEEN
SPOONER SUMMIT AND MOUNT ROSE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF ON OR NEAR LAKE TAHOE...INCLUDING THE EAST SHORE BETWEEN
GLENBROOK AND INCLINE VILLAGE...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. HIKERS IN THE CARSON RANGE AND MOUNT
ROSE SHOULD SEEK SHELTER IN A VEHICLE IF POSSIBLE.

&&

LAT...LON 3904 12007 3909 12012 3925 11995 3910 11989
TIME...MOT...LOC 1835Z 226DEG 7KT 3908 12005

BRONG

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 21, 9:09 PM PDT	Special Weather Statement	REV		51 min
Jul 22, 11:12 AM PDT	Special Weather Statement	REV	Lyon	48 min
Jul 22, 11:30 AM PDT	Special Weather Statement	REV	Storey	30 min
Jul 22, 12:19 PM PDT	Special Weather Statement	REV	Storey	26 min
Jul 22, 1:03 PM PDT	Special Weather Statement	REV		42 min
Jul 22, 1:06 PM PDT	Special Weather Statement	REV	Lyon	24 min
Jul 22, 1:21 PM PDT	Special Weather Statement	REV	Storey	39 min
Jul 22, 1:26 PM PDT	Special Weather Statement	REV	Mineral	34 min
Jul 22, 1:29 PM PDT	Special Weather Statement	REV	Storey	31 min
Jul 22, 1:49 PM PDT	Areal Flood Advisory	REV	Lyon	116 min
Jul 22, 1:56 PM PDT	Special Weather Statement	REV		19 min
Jul 22, 2:00 PM PDT	Severe Thunderstorm Warning	REV	Lyon	45 min
Jul 22, 2:05 PM PDT	Special Weather Statement	REV	Mineral	40 min
Jul 22, 2:23 PM PDT	Special Weather Statement	REV	Churchill	37 min
Jul 22, 2:28 PM PDT	Special Weather Statement	REV		62 min
Jul 21, 5:06 PM PDT	Flash Flood Warning	REV	Plumas	3 hr
Jul 21, 5:24 PM PDT	Special Weather Statement	REV	Sierra	21 min
Jul 21, 11:01 PM PDT	Areal Flood Advisory	REV	Lassen	3 hr
Jul 22, 1:37 PM PDT	Special Weather Statement	REV	Alpine	23 min

Nearby

Special Weather Statements in Nevada, 2015 Every special weather statement in 2015

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.