Alert archive / Nevada / Special Weather Statements in 2014

Special Weather Statement, NWS Elko, NV

August 2, 2014

NWS Elko, NV issued this special weather statement at Aug 2, 2014, 10:32 PM PDT. It was in force for 58 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 2, 2014, 10:32 PM PDT (05:32 UTC)
Expired: Aug 2, 2014, 11:30 PM PDT
In force: 58 min
Issued by: NWS Elko, NV

The radar

The Cedar City radar (KICX), 222 km from the middle of the area, began a volume at 05:34 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 00:00Z, 5.5 hours before the alert went out and 293 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: 90 J/kg
Mixed-layer CIN: -91 J/kg
Mixed-layer LCL: 3897 m above ground
0-6 km bulk shear: 9 kt
0-1 km storm-relative helicity: -24 m²/s²
0-3 km storm-relative helicity: 36 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 Elko, NV wrote its last area forecast discussion before this special weather statement went out at Aug 2, 2:30 PM PDT, 8 hours 2 minutes earlier.

Area forecast discussion, Aug 2, 2:30 PM PDT, 8 hours 2 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
230 PM PDT SAT AUG 2 2014

.SYNOPSIS...ABUNDANT MONSOON MOISTURE WILL CONTINUE TO STREAM
INTO NORTHERN AND CENTRAL NEVADA FOR THE NEXT SEVERAL DAYS FUELING
SHOWERS AND THUNDERSTORMS.
&&

.SHORT TERM...TONIGHT THROUGH MONDAY. HIGH CLOUDS STREAMING
NORTHWARD INTO CENTRAL NV THIS AFTERNOON AHEAD OF INVERTED TROUGH
OVER SOUTHWEST AZ/BAJA CA. THESE CLOUDS WILL INHIBIT CONVECTION
THIS AFTERNOON/EVENING AND WILL CUT BACK THUNDERSTORM COVERAGE TO
ISOLATED. THIS INVERTED TROUGH WILL MOVE INTO CENTRAL NV SUNDAY
AFTERNOON WITH PRECIPITABLE WATER VALUES INCREASING TO OVER 1
INCH. THEREFORE ATMOSPHERE WILL BE PLENTY JUICY FOR THE POTENTIAL
FOR HEAVY RAIN. PLUS DYNAMICS FROM INVERTED TROUGH WILL HELP WITH
THUNDERSTORM DEVELOPMENT. HOWEVER ON THE DOWN SIDE EXTENSIVE CLOUD
COVER WILL INHIBIT DAYTIME HEATING AND HENCE CONVECTION. ALSO
FORECAST SOUNDING SHOW A WARM LAYER BETWEEN 500-400 MB WHICH WILL
ALSO HELP CAP CONVECTION. WITH THAT SAID WILL CONTINUE WITH FLASH
FLOOD WATCH FOR CENTRAL NV SUNDAY, BUT AS NOTED ABOVE NOT A CLEAR
CUT SITUATION AND COULD END UP GETTING MAINLY LIGHT SHOWERS WITH
ISOLATED THUNDERSTORMS WITH HEAVY RAIN. ON MONDAY INVERTED TROUGH
FEATURE MOVES INTO NORTHERN NV WITH PRECIPITABLE WATER VALUES
NEARING 1.2 INCHES. HOWEVER WILL HAVE ALL THE UNCERTAINTY AS WAS
NOTED ABOVE FOR CENTRAL NV ON SUNDAY SO WILL NOT ISSUE A FLASH
FLOOD WATCH AT THIS TIME FOR NORTHERN NV FOR MONDAY.

.LONG TERM...MONDAY NIGHT THROUGH NEXT SATURDAY. MODELS IN FAIR
AGREEMENT WITH AN UPPER LOW AND SHORTWAVE SLOWLY MOVING ACROSS
NORTHERN NEVADA DURING THE LONG TERM.

MONDAY NIGHT THROUGH THURSDAY. THE LOW AND SHORTWAVE WILL VERY
SLOWLY MOVE OUT OF NORTHWESTERN PORTIONS OF THE CWA BRINGING
MOISTURE AND CONVECTION ESPECIALLY ACROSS NORTHERN NEVADA WITH
PW'S INITIALLY OVER ONE INCH MONDAY NIGHT AND DECREASING TO NEAR
.75" ON TUESDAY AND WEDNESDAY WITH POCKETS OF SLIGHTLY HIGHER PW'S
IN NORTHERN NEVADA.

THURSDAY THE SHORTWAVE SLIPS EAST OF THE AREA WITH SOME DIFFERENCE
ON THE TIMING...BUT DO EXPECT MOST OF THE CONVECTION TO BE ACROSS
THE EASTERN HALF OF THE CWA MAINLY IN ELKO...EUREKA AND WHITE PINE
COUNTIES.

FRIDAY WILL BE DRIER WITH PW'S DROPPING TO NEAR A HALF INCH AS A
SHORTWAVE RIDGE CROSSES THE REGION BUT A FEW ISOLATED STORMS STILL
POSSIBLE MAINLY OVER THE HIGH TERRAIN.

SATURDAY SHOW A WEAK SHORTWAVE CROSSING NORTHERN NEVADA WHICH COULD
TRIGGER SOME CONVECTION SO INCREASED POPS FOR THIS PERIOD.
&&

.AVIATION...ISOLATED TO SCATTERED THUNDERSTORMS WILL CONTINUE
THROUGH THIS EVENING WITH KELY HAVING THE BEST CHANCE AT 30 TO 40
PERCENT WITH LOWER CHANCES AT THE OTHER TERMINALS OF 15 TO 25
PERCENT. BRIEF HEAVY RAIN IS POSSIBLE WITH THESE STORMS AS WELL AS
GUSTY WINDS NEAR THE STORMS.
&&

.FIRE WEATHER...ABUNDANT MONSOON MOISTURE WILL FUEL SHOWERS AND
THUNDERSTORMS, SOME WITH HEAVY RAIN, OVER THE NEXT COUPLE OF
DAYS. SOME DECREASE IN MOISTURE BEGINNING TUESDAY BUT ENOUGH WILL
REMAIN THROUGH THE WEEK FOR ISOLATED TO SCATTERED THUNDERSTORM
ACTIVITY.
&&

.LKN WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH FROM SUNDAY AFTERNOON THROUGH SUNDAY EVENING
FOR NORTHEASTERN NYE COUNTY...NORTHWESTERN NYE COUNTY...SOUTHERN
LANDER COUNTY AND SOUTHERN EUREKA COUNTY...WHITE PINE COUNTY.

&&

91/90/90/91

In the hours before

Special weather statement, Aug 2, 6:20 PM PDT, 4 hours 12 minutes before

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Special weather statement, Aug 2, 7:06 PM PDT, 3 hours 26 minutes before

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Special weather statement, Aug 2, 8:37 PM PDT, 1 hour 55 minutes before

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Special weather statement, Aug 2, 9:28 PM PDT, 1 hour 4 minutes before

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Special weather statement, Aug 2, 10:18 PM PDT, 14 minutes before

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Special weather statement, Aug 2, 10:32 PM PDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 2, 5:00 PM PDT	Special Weather Statement	LKN		30 min
Aug 2, 5:13 PM PDT	Special Weather Statement	LKN		32 min
Aug 2, 5:20 PM PDT	Special Weather Statement	LKN	Lander	25 min
Aug 2, 5:36 PM PDT	Severe Thunderstorm Warning	LKN	Lander	24 min
Aug 2, 5:46 PM PDT	Special Weather Statement	LKN		29 min
Aug 2, 5:49 PM PDT	Areal Flood Advisory	LKN	Lander	4 hr
Aug 2, 5:51 PM PDT	Special Weather Statement	LKN	White Pine	24 min
Aug 2, 6:03 PM PDT	Areal Flood Advisory	LKN	Lander	3 hr
Aug 2, 6:06 PM PDT	Special Weather Statement	LKN		39 min
Aug 2, 6:09 PM PDT	Areal Flood Advisory	LKN	Lander, Nye	3 hr
Aug 2, 6:13 PM PDT	Special Weather Statement	LKN	Eureka	32 min
Aug 2, 6:20 PM PDT	Special Weather Statement	LKN	White Pine	40 min
Aug 2, 6:21 PM PDT	Areal Flood Advisory	LKN	White Pine	3 hr
Aug 2, 6:30 PM PDT	Areal Flood Advisory	LKN	Nye	3 hr
Aug 2, 7:06 PM PDT	Special Weather Statement	LKN		39 min
Aug 2, 7:38 PM PDT	Areal Flood Advisory	LKN	Lander	3 hr
Aug 2, 8:37 PM PDT	Special Weather Statement	LKN		38 min
Aug 2, 9:28 PM PDT	Special Weather Statement	LKN		47 min
Aug 2, 10:18 PM PDT	Special Weather Statement	LKN		42 min
Aug 2, 10:36 PM PDT	Special Weather Statement	LKN	White Pine	54 min
Aug 3, 2:16 PM PDT	Flash Flood Watch	LKN	Elko, Eureka, Humboldt, Lander, Nye, White Pine	31 hr
Aug 3, 2:16 PM PDT	Flash Flood Watch	LKN	Elko, Eureka, Humboldt, Lander, White Pine	54 hr
Aug 3, 2:17 PM PDT	Special Weather Statement	LKN	White Pine	118 min
Aug 3, 2:21 PM PDT	Special Weather Statement	LKN	White Pine	114 min
Aug 3, 2:22 PM PDT	Areal Flood Advisory	LKN	Elko, Eureka, White Pine	3 hr

Nearby

Special Weather Statements in Nevada, 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.