Alert archive / Nevada / Special Weather Statements in 2014

Special Weather Statement, NWS Elko, NV

August 4, 2014Eureka County, Nevada

NWS Elko, NV issued this special weather statement at Aug 4, 2014, 1:15 PM PDT for Eureka County, Nevada. It was in force for 30 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 4, 2014, 1:15 PM PDT (20:15 UTC)
Expired
Aug 4, 2014, 1:45 PM PDT
In force
30 min
Issued by
NWS Elko, NV

County Eureka County, NV

The radar

The Elko radar (KLRX), 87 km from the middle of the area, began a volume at 20:17 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

Elko, NV (KLKN), launched 12:00Z, 8.3 hours before the alert went out and 161 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-pSkew-T log-p diagram, Elko, NV at 12:00Z on 2014-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Elko, NV at 12:00Z on 2014-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -3 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
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
1618 m above ground
0-6 km bulk shear
14 kt
0-1 km storm-relative helicity
-3 m²/s²
0-3 km storm-relative helicity
49 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 4, 3:48 AM PDT, 9 hours 27 minutes earlier.

Area forecast discussion, Aug 4, 3:48 AM PDT, 9 hours 27 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
348 AM PDT MON AUG 4 2014

.SYNOPSIS...ABUNDANT MONSOON MOISTURE MOVING INTO CENTRAL AND
NORTHERN NEVADA TODAY WILL RESULT IN SHOWERS AND THUNDERSTORMS
CAPABLE OF PRODUCING HEAVY RAINS. AFTERNOON AND EVENING
THUNDERSTORMS CONTINUE TUESDAY THROUGH NEXT WEEKEND...WITH
ASSOCIATED RAIN AMOUNTS TRENDING LOWER AS THE WEEK PROGRESSES.

&&

.SHORT TERM...TODAY THROUGH TUESDAY. UPPER LEVEL LOW MOVING IN
OVER NEVADA THIS MORNING WITH ISOLATED LIGHTNING NEAR THE CORE OF
THE LOW...WHICH IS CURRENTLY OVER SOUTHERN NEVADA. AS THE CORE
MOVES NORTH LATER THIS MORNING EXPECT SCATTERED THUNDERSTORMS
TO SPREAD UP INTO CENTRAL NEVADA...WITH ISOLATED THUNDERSTORMS
OVER NORTHERN AREAS. WITH PRECIPITABLE WATER VALUES NEAR AN INCH
TODAY ACROSS THE CWA...THUNDERSTORMS THAT DEVELOP WILL BE CAPABLE
OF MODERATE TO HEAVY RAINS. ADDITIONALLY...STORM MOTION WILL BE
RELATIVELY SLOW WITH FLASH FLOODING A LINGERING CONCERN.
INSTABILITY DIMINISHES LATER THIS EVENING AND OVERNIGHT...HOWEVER
MAY STILL SEE SOME ISOLATED THUNDERSTORMS ACROSS THE REGION. FOCUS
OF THUNDERSTORM ACTIVITY SHIFTS TO NORTHERN NEVADA TUESDAY AS
MOISTURE REMAINS HIGH AND INSTABILITY INCREASES...WHILE CONDITIONS
ACROSS CENTRAL NEVADA TEND DRIER AND MORE STABLE.

.LONG TERM...TUESDAY NIGHT THROUGH SUNDAY. MODEL SOLUTIONS ARE
HAVING A CHALLENGING TIME WITH THE DETAILS IN THE MEDIUM AND LONG
TERM. AN ELONGATED TROUGH WILL BE ACROSS NORTHERN
CALIFORNIA...STRETCHING NORTHEAST THROUGH NORTHERN NEVADA. THIS
FEATURE WILL MAKE AN ATTEMPT TO MOVE THROUGH THE FORECAST AREA
WEDNESDAY. SUFFICIENT MOISTURE EXISTS AT THE LOW-MID LEVELS TO
PROMOTE ISOLATED TO SCATTERED SHOWER AND THUNDERSTORM ACTIVITY
DURING THE WEDNESDAY AFTERNOON PERIOD. WINDS AT THE SURFACE WILL
REMAIN LIGHT AND HIGHS FOR THE AFTERNOON WILL BE AT OR A LITTLE
BIT BELOW NORMAL.

BY WEDNESDAY NIGHT AND THURSDAY...ENERGY FROM THE BAGGY TROUGH
REMAINS OVER NORTHERN NEVADA AND WILL SLOWLY MOVE EAST THROUGH THE
AFTERNOON. MODELS DO NOT SHOW ANY SIGNIFICANT DRYING IN THE LOW
TO MID- LEVELS...AND SO HAVE CONTINUED THE THREAT FOR AFTERNOON
ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS. WITH THE MOISTURE
HANGING TOUGH...KEPT OVERNIGHT TEMPERATURES THROUGH THURSDAY
MORNING FROM FALLING TOO LOW AND THEY WILL BE ABOVE NORMAL. THE
HIGHS ARE EXPECTED TO BE AT OR JUST BELOW NORMAL AGAIN.

DIFFERENCES IN THE MODELS INCREASE FRIDAY THROUGH SUNDAY WITH
VARIOUS SOLUTIONS DISPLAYING PLACEMENT AND TIMING ISSUES...AS
MODELS MAY BE DRYING THE ATMOSPHERE A LITTLE TOO QUICKLY. HAVE
GENERALLY BROAD-BRUSHED POPS...ISOLATED IN COVERAGE...OVER MAINLY
THE NORTHERN HALF. TEMPERATURES IN THE AFTERNOON WILL CLIMB BACK
TOWARDS ABOVE NORMAL READINGS.

&&

.AVIATION...A MOIST AIR MASS WILL BRING SCT-NMRS SHRA/TSRA TO ALL
TAF SITES. SOME OF THE STRONGER STORMS MAY BRING STRONG WIND
GUSTS/HEAVY RAIN...WITH WIND GUSTS TO 35KT AND LCL CIGS/VSBY
REDUCTION TO IFR.

&&

.FIRE WEATHER...CLOUDY WITH ISOLATED TO SCATTERED THUNDERSTORMS
ACROSS THE REGION TODAY AND TUESDAY WITH MOST STORMS PRODUCING
MODERATE TO HEAVY RAIN SHOWERS DUE TO THE COMBINATION OF A VERY
MOIST AIR MASS AND RELATIVELY SLOW STORM MOTION. DRIER AIR MOVES
UP INTO CENTRAL NEVADA TUESDAY NIGHT TO BEGIN A DRYING TREND.

&&

.LKN WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH FROM NOON PDT TODAY THROUGH THIS EVENING FOR
HUMBOLDT COUNTY...NORTHEASTERN NYE COUNTY...NORTHERN ELKO
COUNTY...NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY...
NORTHWESTERN NYE COUNTY...RUBY MOUNTAINS/EAST HUMBOLDT RANGE...
SOUTH CENTRAL ELKO COUNTY...SOUTHEASTERN ELKO COUNTY...SOUTHERN
LANDER COUNTY AND SOUTHERN EUREKA COUNTY...SOUTHWESTERN ELKO
COUNTY...WHITE PINE COUNTY.

FLASH FLOOD WATCH FROM TUESDAY AFTERNOON THROUGH TUESDAY EVENING
FOR HUMBOLDT COUNTY...NORTHERN ELKO COUNTY...NORTHERN LANDER
COUNTY AND NORTHERN EUREKA COUNTY...RUBY MOUNTAINS/EAST HUMBOLDT
RANGE...SOUTH CENTRAL ELKO COUNTY...SOUTHEASTERN ELKO COUNTY...
SOUTHWESTERN ELKO COUNTY.

&&

96/86/86/96

In the hours before

Special weather statement, Aug 4, 1:15 PM PDT, 0 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
115 PM PDT MON AUG 4 2014

NVZ036-038-042045-
NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY NV-SOUTHWEST ELKO
COUNTY NV-
115 PM PDT MON AUG 4 2014

...SIGNIFICANT WEATHER ADVISORY FOR EASTERN EUREKA AND SOUTHERN ELKO
COUNTIES UNTIL 145 PM PDT...

AT 113 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 15 MILES SOUTHWEST OF JIGGS...MOVING NORTHWEST AT
5 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH HEAVY RAIN.

IF THREATENING WEATHER APPROACHES YOUR AREA...TAKE SHELTER IN A
STURDY BUILDING.

&&

LAT...LON 4030 11612 4046 11591 4027 11571 4015 11588
TIME...MOT...LOC 2015Z 136DEG 4KT 4027 11587

RCM

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 1:19 PM PDTSpecial Weather StatementLKNEureka26 min
Aug 4, 1:20 PM PDTSpecial Weather StatementLKNElko25 min
Aug 4, 2:47 PM PDTSpecial Weather StatementLKNElko28 min
Aug 4, 3:42 PM PDTAreal Flood AdvisoryLKNEureka3 hr
Aug 4, 3:45 PM PDTAreal Flood AdvisoryLKNElko, White Pine3 hr
Aug 4, 3:47 PM PDTAreal Flood AdvisoryLKNElko3 hr
Aug 4, 3:52 PM PDTAreal Flood AdvisoryLKNNye, White Pine3 hr
Aug 4, 3:54 PM PDTSpecial Weather StatementLKN36 min
Aug 4, 4:05 PM PDTSpecial Weather StatementLKN55 min
Aug 4, 4:33 PM PDTSpecial Weather StatementLKN27 min
Aug 4, 4:53 PM PDTAreal Flood AdvisoryLKNElko3 hr

Nearby

Special Weather Statements in Nevada, 2014Every 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.