Severe Thunderstorm Warning 40, NWS Elko, NV

981 
WWUS55 KLKN 121957
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
1257 PM PDT TUE AUG 12 2014

NVC011-122015-
/O.CON.KLKN.SV.W.0040.000000T0000Z-140812T2015Z/
EUREKA NV-
1257 PM PDT TUE AUG 12 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM PDT
FOR CENTRAL EUREKA COUNTY...

AT 1253 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR GARDEN PASS...MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RURAL CENTRAL EUREKA COUNTY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

&&

LAT...LON 4006 11628 3989 11583 3965 11616 3979 11634
TIME...MOT...LOC 1958Z 210DEG 19KT 3985 11617

$$

DD

807 
WWUS55 KLKN 122011
SVSLKN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
111 PM PDT TUE AUG 12 2014

NVC011-122022-
/O.EXP.KLKN.SV.W.0040.000000T0000Z-140812T2015Z/
EUREKA NV-
111 PM PDT TUE AUG 12 2014

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL EUREKA COUNTY WILL
EXPIRE AT 115 PM PDT...

&&

LAT...LON 4006 11628 3989 11583 3965 11616 3979 11634
TIME...MOT...LOC 2012Z 210DEG 19KT 3991 11612

$$

DD

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
226 AM PDT TUE AUG 12 2014

.SYNOPSIS...SCATTERED TO NUMEROUS THUNDERSTORMS ARE EXPECTED
ACROSS NEVADA TODAY...WITH SOME STORMS PRODUCING HEAVY RAIN AND
STRONG WINDS. DRIER AIR ARRIVES FROM THE WEST ON WEDNESDAY...WITH
THUNDERSTORMS LIMITED TO EASTERN NEVADA. THE ACTIVE MONSOON
PATTERN FINALLY BREAKS THURSDAY THROUGH SATURDAY...WITH DRY AIR
PREVENTING THUNDERSTORMS ACROSS ALL OF NEVADA.

&&

.SHORT TERM...TODAY AND WEDNESDAY.

MONSOON MOISTURE STREAMING INTO EASTERN AND CENTRAL NEVADA THIS
MORNING, WITH PW OF 1 INCH ACROSS SE ELKO, WHITE PINE, AND NYE
COUNTIES. PACIFIC LOW PRESSURE OFF THE CALIFORNIA COAST IS FINALLY
EJECTING NE INTO CALIFORNIA, AS SEEN ON WATER VAPOR IMAGERY.
PACIFIC SHORTWAVE WEAKENS AND PIVOTS QUICKLY INTO OREGON BY 5 PM,
WITH DYNAMICS FROM THE PASSING WAVE JUST GLANCING NEVADA TODAY.

AN ACTIVE THUNDERSTORM DAY EXPECTED ACROSS NEVADA, AS IMPROVED
FORCING AND SHEAR INTERACT WITH MOISTURE AND INSTABILITY. GFS/NAM
BOTH FORECAST WIDESPREAD INSTABILITY ACROSS THE CWA BY NOON. NOT
EXPECTING ANY RESIDUAL CLOUD COVER TO PREVENT CONVECTIVE
INITIATION TODAY, AS FORCING IS MUCH STRONGER. EXPECTED SCATTERED
TO NUMEROUS THUNDERSTORMS ACROSS NORTHERN AND EASTERN NEVADA BY
EARLY AFTERNOON. CAPE NEAR 1000 J/KG, LIFTED INDEX OF -3, PW NEAR
ONE INCH, AND BULK SHEAR INCREASING TO 35-45 KTS ALL SPELL
CONVECTION THIS AFTERNOON AND EARLY EVENING. SOME STORMS WILL BE
STRONG TO SEVERE, WITH THE PRIMARY THREAT BEING DAMAGING WINDS.
SHEAR SHOULD ORGANIZE SOME BOWING SEGMENTS WITH AN ENHANCED WIND
THREAT, WITH WINDEX FROM FORECAST SOUNDINGS SUPPORTING GUSTS NEAR
60 MPH. MENTIONED DAMAGING WIND POTENTIAL IN THE GRIDS, AND ALONG
WITH THE HIGH PW, HEAVY RAINFALL. FLASH FLOOD WATCH WILL REMAIN IN
EFFECT FOR EASTERN NEVADA INTO THIS EVENING, WITH THE EXPECTATION
OF INTENSE RAINFALL RATES ON WET SOILS. STORM MOTIONS WILL BE TOO
FAST TO SUPPORT A TRADITIONAL NEVADA FLASH FLOODING THREAT, WITH
700 MB WINDS NEAR 20 KTS, BUT WITH THE POTENTIAL OF TRAINING
CONVECTION AND MOUNTAIN INTERACTION, AND ALL OF THE FLOODING WE
HAVE HAD OVER THE PAST TWO WEEKS, FELT IT BEST TO KEEP THE FLASH
FLOOD WATCH GOING.

AS THE SHORTWAVE PASSES TO THE NW, SW WINDS WILL BE STRONGER TODAY
ACROSS CENTRAL NEVADA, AVERAGING 15-25 MPH WITH GUSTS NEAR 35 MPH
AT TIMES. GUSTS NEAR 25 MPH ACROSS NORTHERN NEVADA, OUTSIDE OF ANY
THUNDERSTORMS.

WEDNESDAY...A CHANGE IN THE WEATHER PATTERN IS EXPECTED, AS A
LARGER CLOSED LOW SETTLES OVER WESTERN OREGON. THIS PATTERN WILL
FORCE MUCH DRIER AIR TO FILTER INTO NEVADA FROM THE WEST. GFS PW
PLUMMETS TO NEAR 0.50 INCH OR LESS ACROSS MOST OF THE CWA BY
WEDNESDAY EVENING. NAM IS DECIDEDLY SLOWER WITH THE MOISTURE'S
DEPARTURE, SUGGESTING ANOTHER ACTIVE ROUND OF THUNDERSTORMS ACROSS
ALL OF ELKO COUNTY. 00Z ECMWF SEEMED LIKE A GOOD COMPROMISE, AND
MAINTAINED SCATTERED THUNDERSTORMS IN THE FORECAST FOR EASTERN
NEVADA WEDNESDAY AFTERNOON, EAST OF A OWYHEE-SPRING CREEK-EUREKA-
DUCKWATER LINE. WITH THE DRIER AIR, TEMPERATURES WILL SHOW SEVERAL
DEGREES OF WARMING OVER TUESDAY'S READINGS, WITH CONTINUED GUSTY
SW WINDS PARTICULARLY OVER CENTRAL NEVADA.  BT

.LONG TERM...WEDNESDAY NIGHT THROUGH NEXT MONDAY. MODELS IN DECENT
AGREEMENT THROUGH PERIOD. ONLY REAL ISSUES ARISE NEXT MONDAY WITH
POSITION OF OFFSHORE CLOSED LOW. THIS WILL NOT PRESENT A PROBLEM FOR
THE FORECAST THAT FAR OUT.

SOME POPS AND THUNDERSTORMS IN FIRST PERIOD OR TWO OF LONG TERM
FORECAST...BUT ONLY OVER EXTREME EASTERN NEVADA. MAY STRUGGLE TO GET
MUCH STRONG CONVECTION WITH LOW TO MODERATE MOISTURE CONTENT.
SOUTHWEST FLOW...DRY SOUTHWEST FLOW...RETURNS FOR THE REMAINDER OF
THE FORECAST PERIOD. WINDS REMAIN ON THE LOW SIDE...NOT EXPECTING
FIRE WEATHER ISSUES AT THIS TIME.

&&

.AVIATION...EXPECTING ISOLATED THUNDERSTORMS STARTING MID TO LATE
MORNING IN THE VICINITY OF KWMC...KEKO...AND KELY. KTPH LOOKS TO BE
IN THE EDGE OF ACTIVITY. WILL NOT INCLUDE THUNDER THERE...BUT WILL
REMAIN OPEN MINDED AS DAY PROGRESSES. THUNDERSTORMS WILL CONTINUE TO
BE POSSIBLE INTO THE NIGHT WITH AMPLE MOISTURE. BIGGEST THREAT WILL
STRONG WINDS...GUSTS TO 45 KNOTS...WITH STORMS. HEAVY IS ALSO A
THREAT IN THE STRONGEST STORMS. SMALL HAIL IS ALSO OUTSIDE THREAT.
CONFIDENCE IN MVFR IN STORMS IS LESS THAN 50%. WILL NOT INCLUDE IN
TAFS BUT...AGAIN...WILL WATCH FOR POSSIBLE AMENDMENTS.

&&

.FIRE WEATHER...SCATTERED TO NUMEROUS THUNDERSTORMS EXPECTED FROM
MIDDAY THROUGH THE EARLY EVENING HOURS, WITH LAL OF 4-5. COVERAGE
WILL BE HIGHEST ACROSS NE NEVADA IN AND NEAR ELKO COUNTY. PW WILL
REMAIN PLENTY HIGH ENOUGH TO KEEP STORMS WET TODAY. LOCALLY HEAVY
RAIN WILL POSE A THREAT FOR FLASH FLOODING THIS AFTERNOON,
ESPECIALLY NEAR ANY BURN SCARS. STRONG WINDS ARE LIKELY FROM THE
STRONGEST CONVECTION TODAY, WITH OUTFLOWS OF 50-60 MPH.

SCATTERED CONVECTION WILL BE RELEGATED TO PRIMARILY FWZ 469, 470
AND 455 ON WEDNESDAY, AS MUCH DRIER AIR BEGINS INVADING FROM THE
WEST. DRY AIR IS EXPECTED TO SHUT DOWN THUNDERSTORM PRODUCTION
COMPLETELY ACROSS ALL FWZ THURSDAY THROUGH SATURDAY.

AS A SHORTWAVE SKIRTS NW NEVADA TODAY, AND A CLOSED LOW FORMS OVER
OREGON ON WEDNESDAY, SW WINDS WILL INCREASE IN STRENGTH DURING THE
AFTERNOON HOURS. THE STRONGEST WINDS ARE EXPECTED ACROSS CENTRAL
NEVADA, WHERE GUSTS OF 30-35 MPH CAN BE EXPECTED BOTH TODAY AND
WEDNESDAY. WHILE WINDS WILL INCREASE, MIN RH WILL REMAIN WELL
ABOVE CRITICAL THRESHOLDS.  BT

&&

.LKN WATCHES/WARNINGS/ADVISORIES...
FLASH FLOOD WATCH THROUGH THIS EVENING FOR NORTHEASTERN NYE
COUNTY...NORTHERN ELKO COUNTY...RUBY MOUNTAINS/EAST HUMBOLDT
RANGE...SOUTH CENTRAL ELKO COUNTY...SOUTHEASTERN ELKO COUNTY...
SOUTHWESTERN ELKO COUNTY...WHITE PINE COUNTY.

&&

99/98/98/99

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
919 AM PDT TUE AUG 12 2014

NVZ041-121700-
NORTHEASTERN NYE COUNTY NV-
919 AM PDT TUE AUG 12 2014

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL NYE COUNTY UNTIL 1000 AM
PDT...

AT 918 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 40 MILES EAST OF MANHATTAN...MOVING NORTH AT 30
MPH. THIS STORM IS NORTH OF THE JUNCTION OF HIGHWAY 6 AND STATE
ROUTE 375...ON THE NORTH SIDE OF HIGHWAY 6.

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

* LOCATIONS IMPACTED INCLUDE...
  RURAL CENTRAL NYE COUNTY...
  RURAL NORTHERN NYE COUNTY...

&&

LAT...LON 3885 11642 3873 11597 3832 11628 3835 11646
TIME...MOT...LOC 1617Z 193DEG 26KT 3841 11634

JR

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
1131 AM PDT TUE AUG 12 2014

NVZ036-037-121915-
NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY NV-SOUTHERN LANDER
COUNTY AND SOUTHERN EUREKA COUNTY NV-
1131 AM PDT TUE AUG 12 2014

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL LANDER COUNTY UNTIL 1215
PM PDT...

AT 1130 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 29 MILES NORTH OF NEW PASS SUMMIT...MOVING
NORTHEAST AT 25 MPH.

HAIL UP TO THE SIZE OF PENNIES...BRIEF HEAVY RAIN...WIND GUSTS UP TO
45 MPH ALONG WITH FREQUENT LIGHTNING IS EXPECTED WITH THIS STORM.

* LOCATIONS IMPACTED INCLUDE...
   ANTELOPE VALLEY AND STATE ROUTE 305 NEAR ANTELOPE VALLEY.

&&

LAT...LON 4024 11725 4015 11692 3978 11712 3987 11742
TIME...MOT...LOC 1831Z 211DEG 21KT 3993 11726

RLC

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
1134 AM PDT TUE AUG 12 2014

NVZ035-121915-
WHITE PINE COUNTY NV-
1134 AM PDT TUE AUG 12 2014

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL WHITE PINE COUNTY UNTIL
1215 PM PDT...

AT 1127 AM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
A STRONG THUNDERSTORM 17 MILES WEST OF RUTH...MOVING NORTH AT 30 MPH.

WIND GUSTS UP TO 50 MPH WITH HEAVY RAIN AND HAIL ARE EXPECTED WITH
THIS STORM. THIS STORM CELL WILL CROSS HIGHWAY 50 NEAR ROBINSON
SUMMIT.

* LOCATIONS IMPACTED INCLUDE...
   ROBINSON SUMMIT...

&&

LAT...LON 3951 11532 3941 11498 3912 11523 3919 11544
TIME...MOT...LOC 1831Z 202DEG 24KT 3925 11529

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ELKO NV
1207 PM PDT TUE AUG 12 2014

NVZ036-037-121945-
NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY NV-SOUTHERN LANDER
COUNTY AND SOUTHERN EUREKA COUNTY NV-
1207 PM PDT TUE AUG 12 2014

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL LANDER AND WESTERN EUREKA
COUNTIES UNTIL 1245 PM PDT...

AT 1203 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 11 MILES SOUTHWEST
OF BATTLE MOUNTAIN TO NEW PASS SUMMIT...AND MOVING NORTHEAST AT 30
MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 50 MPH ARE
EXPECTED WITH THESE STORMS...ALONG WITH HEAVY RAIN AND FREQUENT
DANGEROUS LIGHTNING.  EXPECT MINOR FLOODING ALONG ROADWAYS.

* LOCATIONS IMPACTED INCLUDE...
   MOUNT CALLAGHAN...
   AUSTIN...
   MOUNT TENABO...
   STATE ROUTE 305...
   CRESCENT VALLEY...

&&

LAT...LON 3954 11755 3954 11751 3956 11749 3960 11749
      3962 11747 3964 11749 3970 11749 4059 11711
      4036 11648 3943 11705 3946 11758
TIME...MOT...LOC 1905Z 275DEG 25KT 4050 11702 3954 11742

DD