Alert archive / Nebraska / Wind Advisories in 2013

Wind Advisory 12, NWS Cheyenne, WY

October 4, 20137 counties in Nebraska

NWS Cheyenne, WY issued this wind advisory at Oct 4, 2013, 5:25 PM MDT for 7 counties in Nebraska. It was in force for 25 hr.

The area

The counties it named.

The facts

Issued
Oct 4, 2013, 5:25 PM MDT (23:25 UTC)
Expired
Oct 5, 2013, 6:00 PM MDT
In force
25 hr
Issued by
NWS Cheyenne, WY

Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE

The radar

The Cheyenne radar (KCYS), 133 km from the middle of the area, began a volume at 23:25 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

Denver, CO (KDEN), launched 12:00Z, 11.4 hours before the alert went out and 210 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, Denver, CO at 12:00Z on 2013-10-04Temperature 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 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Denver, CO at 12:00Z on 2013-10-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -334 square meters per square second.1939587897117Sfc1 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
556 m above ground
0-6 km bulk shear
87 kt
0-1 km storm-relative helicity
-334 m²/s²
0-3 km storm-relative helicity
43 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.

736 
WWUS75 KCYS 042325
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
525 PM MDT FRI OCT 4 2013

...GUSTY NORTHWEST WINDS TO CONTINUE TONIGHT AND SATURDAY....

.A STRONG STORM SYSTEM MOVING ACROSS THE REGION WILL BRING
GUSTY WINDS TO THE WESTERN NEBRASKA PANHANDLE TONIGHT THROUGH
SATURDAY AFTERNOON. GUSTS OF 40 TO 50 MPH ARE ANTICIPATED THROUGH
THIS TIME. 

NEZ021-054-055-051200-
/O.NEW.KCYS.WI.Y.0012.131004T2325Z-131005T2100Z/
MORRILL-KIMBALL-CHEYENNE-
INCLUDING THE CITIES OF...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY
525 PM MDT FRI OCT 4 2013

...WIND ADVISORY IN EFFECT UNTIL 3 PM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 3 PM MDT SATURDAY. 

* TIMING...THROUGH MIDDAY SATURDAY

* WINDS...NORTHWEST WINDS OF 30 TO 35 MPH WITH GUSTS OF 40 TO 50
  MPH. STRONGEST WINDS WILL BE ALONG RIDGETOPS AND EXPOSED AREAS.

* IMPACTS...HIGH PROFILE VEHICLE TRAVEL COULD BE IMPACTED ALONG
  NORTH-SOUTH ORIENTED ROADS. WINDS OF THESE SPEEDS WOULD POSE A
  BLOW-OVER RISK TO LIGHTWEIGHT AND HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

RJM
5 follow-up statements
816 
WWUS75 KCYS 050428
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1028 PM MDT FRI OCT 4 2013

...GUSTY NORTHWEST WINDS TO CONTINUE TONIGHT AND SATURDAY....

.A STRONG STORM SYSTEM MOVING ACROSS THE REGION WILL BRING GUSTY
WINDS TO THE WESTERN NEBRASKA PANHANDLE TONIGHT THROUGH SATURDAY
AFTERNOON. GUSTS OF 40 TO 50 MPH ARE ANTICIPATED THROUGH THIS
TIME.

NEZ003-019-020-096-051630-
/O.EXB.KCYS.WI.Y.0012.000000T0000Z-131006T0000Z/
BOX BUTTE-SCOTTS BLUFF-BANNER-SOUTH SIOUX-
INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING...
HARRISBURG...AGATE
1028 PM MDT FRI OCT 4 2013

...WIND ADVISORY IN EFFECT UNTIL 6 PM MDT SATURDAY...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND
ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM MDT SATURDAY. 

* TIMING...THROUGH SATURDAY AFTERNOON

* WINDS...NORTHWEST WINDS OF 30 TO 35 MPH WITH GUSTS OF 40 TO 50 
  MPH. STRONGEST WINDS WILL BE ALONG RIDGETOPS AND EXPOSED 
  AREAS. 

* IMPACTS...HIGH PROFILE VEHICLE TRAVEL COULD BE IMPACTED ALONG 
  NORTH-SOUTH ORIENTED ROADS. WINDS OF THESE SPEEDS WOULD POSE A 
  BLOW-OVER RISK TO LIGHTWEIGHT AND HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

NEZ021-054-055-051630-
/O.EXT.KCYS.WI.Y.0012.000000T0000Z-131006T0000Z/
MORRILL-KIMBALL-CHEYENNE-
INCLUDING THE CITIES OF...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY
1028 PM MDT FRI OCT 4 2013

...WIND ADVISORY NOW IN EFFECT UNTIL 6 PM MDT SATURDAY...

THE WIND ADVISORY IS NOW IN EFFECT UNTIL 6 PM MDT SATURDAY. 

* TIMING...THROUGH SATURDAY AFTERNOON

* WINDS...NORTHWEST WINDS OF 30 TO 35 MPH WITH GUSTS OF 40 TO 50 
  MPH. STRONGEST WINDS WILL BE ALONG RIDGETOPS AND EXPOSED 
  AREAS. 

* IMPACTS...HIGH PROFILE VEHICLE TRAVEL COULD BE IMPACTED ALONG 
  NORTH-SOUTH ORIENTED ROADS. WINDS OF THESE SPEEDS WOULD POSE A 
  BLOW-OVER RISK TO LIGHTWEIGHT AND HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
660 
WWUS75 KCYS 050923
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
323 AM MDT SAT OCT 5 2013

...STRONG AND GUSTY NORTHWEST WINDS TO CONTINUE TODAY...

.A VIGOROUS LOW PRESSURE SYSTEM OVER SOUTH DAKOTA WILL PRODUCE
STRONG AND GUSTY NORTHWEST WINDS ACROSS THE WESTERN NEBRASKA
PANHANDLE THROUGH THIS AFTERNOON. THE WINDS WILL BEGIN TO
DIMINISH BY THIS EVENING.

NEZ003-019>021-054-055-096-060000-
/O.CON.KCYS.WI.Y.0012.000000T0000Z-131006T0000Z/
BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-
SOUTH SIOUX-
INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING...
HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE
323 AM MDT SAT OCT 5 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. 

* TIMING...THIS MORNING THROUGH THIS AFTERNOON.

* WINDS...NORTHWEST SUSTAINED 30 TO 35 MPH WITH GUSTS OF 40 TO 50
  MPH. STRONGEST WINDS WILL BE ALONG RIDGE TOPS AND EXPOSED AREAS.

* IMPACTS...HIGH PROFILE VEHICLE TRAVEL WILL BE IMPACTED ALONG
  NORTH-SOUTH ORIENTED ROADS. WINDS OF THESE SPEEDS WILL POSE A
  BLOW-OVER RISK TO LIGHTWEIGHT AND HIGH PROFILE VEHICLES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

JAMSKI
653 
WWUS75 KCYS 051707
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
1107 AM MDT SAT OCT 5 2013

...STRONG AND GUSTY NORTHWEST WINDS TO CONTINUE TODAY...

.A VIGOROUS LOW PRESSURE SYSTEM OVER SOUTH DAKOTA WILL PRODUCE
STRONG AND GUSTY NORTHWEST WINDS ACROSS THE WESTERN NEBRASKA
PANHANDLE THROUGH THIS AFTERNOON. THE WINDS WILL BEGIN TO
DIMINISH BY THIS EVENING.

NEZ003-051815-
/O.CAN.KCYS.WI.Y.0012.000000T0000Z-131006T0000Z/
BOX BUTTE-
INCLUDING THE CITY OF...ALLIANCE
1107 AM MDT SAT OCT 5 2013

...WIND ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WIND
ADVISORY. 

THE WIND ADVISORY HAS BEEN REPLACED WITH A WINTER WEATHER ADVISORY
FOR BLOWING SNOW. PLEASE REFER TO THAT BULLETIN FOR MORE
INFORMATION. 

$$

NEZ019>021-054-055-096-060000-
/O.CON.KCYS.WI.Y.0012.000000T0000Z-131006T0000Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH SIOUX-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE
1107 AM MDT SAT OCT 5 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. 

* TIMING...THIS MORNING THROUGH THIS AFTERNOON.

* WINDS...NORTHWEST SUSTAINED 30 TO 35 MPH WITH GUSTS OF 40 TO 
  50 MPH. STRONGEST WINDS WILL BE ALONG RIDGE TOPS AND EXPOSED 
  AREAS. 

* IMPACTS...HIGH PROFILE VEHICLE TRAVEL WILL BE IMPACTED ALONG 
  NORTH-SOUTH ORIENTED ROADS. WINDS OF THESE SPEEDS WILL POSE A 
  BLOW-OVER RISK TO LIGHTWEIGHT AND HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$
508 
WWUS75 KCYS 052047
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
247 PM MDT SAT OCT 5 2013

...STRONG AND GUSTY NORTHWEST WINDS TO CONTINUE TODAY...

.A DEPARTING STORM SYSTEM WILL CONTINUE TO BRING GUSTY NORTHWEST
WINDS TO THE WESTERN NEBRASKA PANHANDLE THROUGH LATE AFTERNOON.
THE WINDS WILL DIMINISH DURING THE EVENING. 

NEZ019>021-054-055-096-060000-
/O.CON.KCYS.WI.Y.0012.000000T0000Z-131006T0000Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH SIOUX-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE
247 PM MDT SAT OCT 5 2013

...WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING...

A WIND ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. 

* TIMING...THROUGH LATE AFTERNOON.

* WINDS...NORTHWEST 25 TO 35 MPH WITH GUSTS TO 45 MPH. THE
  STRONGEST WINDS WILL BE ALONG RIDGE TOPS AND OTHER EXPOSED
  AREAS.

* IMPACTS...HIGH PROFILE VEHICLE TRAVEL WILL BE IMPACTED ALONG 
  NORTH-SOUTH ORIENTED ROADS. WINDS OF THESE SPEEDS WILL POSE A 
  BLOW-OVER RISK TO LIGHTWEIGHT AND HIGH PROFILE VEHICLES. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WIND ADVISORY MEANS THAT WINDS OF 35 MPH ARE EXPECTED. WINDS
THIS STRONG CAN MAKE DRIVING DIFFICULT...ESPECIALLY FOR HIGH
PROFILE VEHICLES. USE EXTRA CAUTION.

&&

$$

HAMMER
741 
WWUS75 KCYS 052354
NPWCYS

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE CHEYENNE WY
554 PM MDT SAT OCT 5 2013

NEZ019>021-054-055-096-060100-
/O.EXP.KCYS.WI.Y.0012.000000T0000Z-131006T0000Z/
SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE-SOUTH SIOUX-
INCLUDING THE CITIES OF...SCOTTSBLUFF...GERING...HARRISBURG...
BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE
554 PM MDT SAT OCT 5 2013

...WIND ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING...

THE WIND ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING. 

WINDS WILL CONTINUE TO SUBSIDE BELOW CRITICAL THRESHOLDS ACROSS
THE WESTERN NEBRASKA PANHANDLE EARLY THIS EVENING. THEREFORE...
WILL LET THE WIND ADVISORY EXPIRE AT 6 PM.

$$

HAHN

What forecasters said that day

The local office's own words before this wind advisory went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Cheyenne, WY wrote its last area forecast discussion before this wind advisory went out at Oct 4, 12:46 PM MDT, 4 hours 39 minutes earlier.

Area forecast discussion, Oct 4, 12:46 PM MDT, 4 hours 39 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
1246 PM MDT FRI OCT 4 2013

.UPDATE...
ISSUED AT 1245 PM MDT FRI OCT 4 2013

STRONG UPPER LEVEL TROUGH IS MOVING ACROSS THE ROCKIES
TODAY...WITH THE STRONGEST PIECE OF ENERGY BEING THE CLOSED LOW
RIDING ALONG THE WYOMING/NEBRASKA/COLORADO BORDER AT THE NOON
HOUR. IMPRESSIVE MIDLEVEL CONVERGENCE AND ISENTROPIC LIFT AT THE
NOSE OF WARM CONVEYOR BELT OVER NORTHWESTERN NEBRASKA AND WESTERN
SOUTH DAKOTA...ALONG WITH SOME MARGINAL LLVL INSTABILITY...ARE
SPARKING OFF SOME THUNDERSTORM ACTIVITY OVER THIS AREA. SFC
OBSERVATIONS ARE SHOWING AT OR NEAR FREEZING TEMPS AND SNOW IN
THIS AREA...AND ANTICIPATE SNOW RATES TO BE QUITE HEAVY AT TIMES
DUE TO THE CONVECTIVE NATURE OF THIS ACTIVITY. NORTHWEST WINDS
ACROSS THE FORECAST AREA ARE GUSTING ON AVERAGE 25 TO 35 MPH WITH
STRONGER WINDS OF 40 TO 45 MPH ACROSS THE NORTHERN PLAINS ZONES.
WILL MAINTAIN THE BLIZZARD WARNING AS IS FOR NOW DUE TO THE
PROSPECT OF HEAVY CONVECTIVE SNOW COMBINING WITH THE STRONG
NORTHWEST WINDS. LIGHTER SNOW RATES WILL CONTINUE ON AND OFF
THROUGH THE REST OF THE DAY FURTHER WEST AND ACROSS SOUTHERN ZONES
IN WRAPAROUND MOISTURE AND UPPER LEVEL SHORTWAVE ENERGY. THIS WILL
COMBINE WITH THE STRONG WINDS TO MAINTAIN HAZARDOUS BLOWING SNOW
CONDITIONS. MADE LITTLE CHANGE TO THE STORM TOTAL SNOW
AMOUNTS...WITH MOST OF THE SNOW EXPECTED TO FALL TODAY ACROSS EAST
CENTRAL WYOMING AND THE NORTHERN NEBRASKA PANHANDLE. STILL LOOKING
AT UP TO A FOOT OR MORE OF SNOW ACCUMULATIONS ACROSS THIS
AREA...ESPECIALLY ALONG THE PINE RIDGE. SNOW FALL WILL STEADILY
END FROM SOUTHWEST TO NORTHEAST ACROSS THE FORECAST AREA FROM LATE
THIS AFTERNOON THROUGH THE EARLY OVERNIGHT PERIOD. SNOW LOOKS TO
FINALLY END ACROSS THE NORTHEASTERN ZONES EARLY SATURDAY MORNING.
THE 1006 MB SURFACE LOW OVER THE DAKOTAS WILL MAINTAIN A STRONG
GRADIENT OVER THE FORECAST AREA THROUGH TONIGHT...SO BLOWING SNOW
CONDITIONS WILL CONTINUE. VISIBILITIES WILL BE REDUCED TO ONE MILE
OR LESS.

&&

.SHORT TERM...(TODAY THROUGH SATURDAY NIGHT)
ISSUED AT 330 AM MDT FRI OCT 4 2013

TODAY...CHALLENGES INCLUDE THE POWERHOUSE CLOSED TROUGH THAT SLOWLY
MOVES ACROSS OUR REGION TODAY. FORTUNATELY...NAM...GFS AND ECMWF
HAVE BECOME CONGRUENT IN HANDLING FEATURES. CHALLENGES INCLUDE
EXPECTED SNOWFALL AMOUNTS...WINDS AND ASSOCIATED VISIBILITIES WITH
FALLING AND BLOWING SNOW.

AS OUR TEAM EXPECTED...RAIN HAS SWITCHED TO SNOW ALREADY WEST OF A
DOUGLAS TO CHEYENNE LINE. POWERHOUSE CLOSED LOW ALOFT MOVES SLOWLY
FROM NORTHWEST COLORADO THIS MORNING TO WESTERN NEBRASKA BY EVENING.
IMPRESSIVE 500-300 MB AND 700-500 MB QUASIGEOSTROPHIC LIFT MOVES
OVER OUR NORTHERN COUNTIES NORTH OF A RAWLINS TO SCOTTSDALE LINE...
WITH THE DEEP MOIST AIRMASS BEING LIFTED BY THIS STRONG DYNAMICAL
LIFT...UPSLOPE LIFT...OROGRAPHICS. ALL THE MODELS SHOW IMPRESSIVE
QUANTITATIVE PRECIPITATION FORECAST FOR TODAY AND TONIGHT...ESPECIALLY
NORTH OF A RAWLINS TO SCOTTSDALE LINE AND HAVING COORDINATED WITH
OUR NEIGHBORS AND SEEING THE COOLING CLOUD TOPS ON INFRARED SATELLITE
AND PROGGED WEATHER PREDICTION CENTER...WPC...SNOWFALL FORECASTS
FROM 6 AM TODAY TO 6 AM SATURDAY ALONG WITH PROJECTED SURFACE THROUGH
700 MB WINDS...WE HAVE OPTED TO UPGRADE OUR WINTER STORM WARNINGS
TO BLIZZARD WARNINGS FOR LOCALES NORTH OF A DOUGLAS...TO WHEATLAND...
TO TORRINGTON...TO SCOTTSDALE TO ALLIANCE LINE...AND UPGRADE
WINTER WEATHER ADVISORIES TO WINTER STORM WARNINGS FOR OUR SOUTHERN
NEBRASKA PANHANDLE COUNTIES.

QUITE IMPRESSIVE MID LEVEL POSITIVE THETA-E ADVECTION LIFT NOTED
TODAY NORTH OF A DOUGLAS TO SCOTTSDALE LINE.

BASED ON PROJECTED QPF AMOUNTS FROM THE NAM...GFS AND ECMWF...AND
EXPERIENCE WITH THIS TYPE OF SURFACE THROUGH 500 MB TRACK...WE HAVE
UPPED OUR SNOWFALL AMOUNTS...SIGNIFICANTLY SO NORTH OF A LUSK TO
TORRINGTON TO SCOTTSDALE TO ALLIANCE LINE...WHERE PROLONGED HEAVY
SNOW...STRONG NORTH WINDS GUSTING TO 50 MPH WILL PRODUCE EXTENDED
BLIZZARD CONDITIONS INTO FRIDAY EVENING...AND OVER THE NORTHERN
PANHANDLE THROUGH 6 AM SATURDAY MORNING.

WITH STRONG NORTHWEST WINDS IN THE LOW AND MID LEVELS...SNOWFALL
AMOUNTS WILL BE LIMITED ALONG AND JUST LEE OF THE LARAMIE RANGE AND
INTERSTATE 25 CORRIDOR DUE TO DOWNSLOPING WIND COMPONENT...INCLUDING
CHEYENNE.

WITH THIS BEING AN EARLY SEASON SNOWSTORM AFTER A PROLONGED WARM
PERIOD...WILL ERR ON THE SIDE OF CAUTION WITH RESPECT TO WINTER
WEATHER HIGHLIGHTS DUE TO EFFECTS ON OUR CUSTOMERS FOR DECISION
SUPPORT SERVICES.

TONIGHT...STRONG CLOSED LOW ALOFT MOVES SLOWLY NORTHEASTWARD TO
NORTH CENTRAL NEBRASKA WITH WRAPAROUND HEAVY SNOW AND BLIZZARD
CONDITIONS CONTINUING OVER THE NEBRASKA PANHANDLE NORTH OF A
SCOTTSDALE TO ALLIANCE LINE. ELSEWHERE...SNOWFALL WILL COME TO AN
ABRUPT END FROM WEST TO EAST...THUS CANCELLATION OF WINTER STORM
WARNINGS AND BLIZZARD WARNING WARRANTED ACROSS ALL OF SOUTHEAST
WYOMING AND OUR SOUTHERN NEBRASKA PANHANDLE COUNTIES.

SATURDAY...AS THE UPPER TROUGH MOVES FURTHER AWAY...CLOUDS WILL
QUICKLY DECREASE FROM WEST TO EAST...THOUGH PROGGED SURFACE THROUGH
700 MB GRADIENTS INDICATE VERY WINDY CONDITIONS EAST OF INTERSTATE
25...ESPECIALLY EAST OF A LUSK TO CHEYENNE LINE. WILL LIKELY NEED
WIND ADVISORIES FOR THE WESTERN NEBRASKA PANHANDLE...THOUGH WILL NOT
ISSUE NOW WITH OUR CURRENT HIGHLIGHTS IN PLACE TO AVOID CONFUSION
WITH OUR CUSTOMERS. GUIDANCE MAXIMUM TEMPERATURES ARE MUCH TOO
WARM...ESPECIALLY OVER THE DEEP EXPECTED SNOW PACK EAST OF A DOUGLAS
TO CHEYENNE LINE...SO HAVE UNDERCUT GUIDANCE MAXIMUM TEMPERATURES
SIGNIFICANTLY.

SATURDAY NIGHT...CONTINUED BREEZY TO WINDY BASED ON PROGGED SURFACE
THROUGH 700 MB GRADIENTS...KEEPING MINIMUM TEMPERATURES WARMER THAN
WHAT WOULD TYPICALLY BE EXPECTED OVER A DEEP SNOW PACK ALONG AND EAST
OF INTERSTATE 25.

.LONG TERM...(SUNDAY THROUGH THURSDAY)
ISSUED AT 430 AM MDT FRI OCT 4 2013

00Z MEDIUM RANGE MODELS ARE IN CLOSE AGREEMENT WITH INTENSE LOW
PRESSURE SYSTEM OVER IOWA SUNDAY TRACKING EAST THROUGH ILLINOIS
AND INDIANA MONDAY...THEN NORTHEAST TOWARD LAKE ONTARIO MONDAY
NIGHT. MEANWHILE...A UPPER RIDGE TRANSLATES EAST FROM THE GREAT
BASIN ACROSS THE FRONT RANGE AND GREAT PLAINS. THE NEXT PACIFIC
TROUGH AMPLIFIES OVER THE GREAT BASIN TUESDAY...EVENTUALLY FORMING
A CLOSED LOW OVER CALIFORNIA/NEVADA WEDNESDAY AND DRIFTING EAST
INTO UTAH AND WESTERN WYOMING THURSDAY. SOUTHWESTERLY FLOW ALOFT
INCREASES FROM EARLY TO MID WEEK...HOWEVER MOISTURE WILL BE LACKING
FOR PRECIPITATION. AS THE TROUGH APPROACHES THURSDAY...EXPECT SOME
PACIFIC MOISTURE TO ADVECT INTO WYOMING WITH ISOLATED TO SCATTERED
SHOWERS DEVELOPING. TEMPERATURES MODERATE TO ABOVE SEASONAL NORMALS
EARLY IN THE WEEK...FOLLOWED BY SLIGHT COOLING WEDNESDAY AND THURSDAY.

&&

.AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SATURDAY MORNING)
ISSUED AT 1126 AM MDT FRI OCT 4 2013

WIDESPREAD MVFR OR IFR CEILINGS AND VISIBILITIES IN SNOW AND
BLOWING SNOW WILL CONTINUE OVER THE CWA THROUGH LATE TONIGHT.
CONDITIONS WILL GRADUALLY IMPROVE THROUGH THAT TIME FROM SOUTHWEST
TO NORTHEAST. THE MOUNTAINS WILL BE OBSCURED THROUGH SATURDAY
MORNING AND RIME ICING WILL BE COMMON OVER THE AREA. VFR
CONDITIONS WILL RETURN TO MUCH OF THE CWA SATURDAY MORNING...
EXCEPT THE NORTHEAST QUARTER...AND OVER THE ENTIRE CWA SATURDAY
AFTERNOON.

NORTHERLY SURFACE WINDS WILL GUST AS HIGH AS 45 KNOTS OVER THE
CWA THROUGH 00Z AND THEN EAST OF THE LARAMIE RANGE AFTER 00Z.
THE WINDS WILL PRODUCE THE REDUCED VISIBILITIES IN BLOWING SNOW
AND CREATE TURBULENCE.

&&

.FIRE WEATHER...
ISSUED AT 330 AM MDT FRI OCT 4 2013

NO FIRE WEATHER CONCERNS DUE TO SNOWFALL AND HIGH HUMIDITIES.

&&

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER STORM WARNING UNTIL 6 PM MDT THIS EVENING FOR WYZ103>106-
     109>119.

     BLIZZARD WARNING UNTIL 6 PM MDT THIS EVENING FOR WYZ107.

     BLIZZARD WARNING UNTIL MIDNIGHT MDT TONIGHT FOR WYZ101-102-108.

NE...BLIZZARD WARNING UNTIL 6 AM MDT SATURDAY FOR NEZ002-003-019-095-
     096.

     WINTER STORM WARNING UNTIL MIDNIGHT MDT TONIGHT FOR NEZ020-021-
     054-055.

&&

UPDATE...RJM
SHORT TERM...RUBIN
LONG TERM...JAMSKI
AVIATION...WEILAND
FIRE WEATHER...RUBIN
Hazardous weather outlook, Oct 4, 4:32 AM MDT, 12 hours 53 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE CHEYENNE WY
432 AM MDT FRI OCT 4 2013

NEZ002-003-019-095-096-WYZ101-102-107-108-051045-
DAWES-BOX BUTTE-SCOTTS BLUFF-NORTH SIOUX-SOUTH SIOUX-
CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY-
EAST PLATTE COUNTY-GOSHEN COUNTY-
432 AM MDT FRI OCT 4 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA
PANHANDLE AND EAST CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

AN INTENSE LOW PRESSURE SYSTEM WILL IMPACT THE AREA TODAY AND
TONIGHT AS IT MOVES FROM NORTHERN COLORADO INTO WESTERN NEBRASKA.
THIS STORM WILL BRING ADVERSE WINTER WEATHER CONDITIONS INCLUDING
SNOW...STRONG AND GUSTY NORTH TO NORTHEAST WINDS AND COLDER
TEMPERATURES. WIND CHILL VALUES WILL DROP INTO THE SINGLE DIGITS
AND TEENS. STORM TOTAL SNOWFALL AMOUNTS WILL RANGE FROM 8 TO 18
INCHES. THE STRONG WINDS WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW REDUCING VISIBILITIES BELOW A QUARTER MILE WITH
WHITEOUT CONDITIONS. A BLIZZARD WARNING IS IN EFFECT TODAY AND
TONIGHT. TRAVEL WILL BECOME DANGEROUS WITH NUMEROUS ROAD CLOSURES
EXPECTED. THE WEIGHT OF THE SNOW ON TREES COMBINED WITH THE STRONG
WINDS WILL RESULT IN BROKEN LIMBS AND BRANCHES FALLING ON UTILITY
LINES CAUSING POWER OUTAGES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE WINTER STORM WILL MOVE THROUGH NEBRASKA SATURDAY WITH SNOW
ENDING IN THE NORTHERN PANHANDLE IN THE MORNING. A TIGHT PRESSURE
GRADIENT WILL CREATE STRONG AND GUSTY NORTHWEST WINDS OF 35 TO 50
MPH THROUGHOUT THE DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY AND TONIGHT. REPORTS
OF SNOWFALL AND BLIZZARD CONDITIONS WILL BE APPRECIATED.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

NEZ020-021-054-055-WYZ103>106-109>119-051045-
BANNER-MORRILL-KIMBALL-CHEYENNE-NORTH LARAMIE RANGE-
FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN-
CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY-
CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS-
SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE-
UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE-LARAMIE VALLEY-
SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS-
CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY-
432 AM MDT FRI OCT 4 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA
PANHANDLE...EAST CENTRAL WYOMING...SOUTH CENTRAL WYOMING AND
SOUTHEAST WYOMING.

.DAY ONE...TODAY AND TONIGHT

AN INTENSE LOW PRESSURE SYSTEM WILL IMPACT THE AREA TODAY AND
TONIGHT AS IT MOVES FROM NORTHERN COLORADO INTO WESTERN NEBRASKA.
THIS STORM WILL BRING ADVERSE WINTER WEATHER CONDITIONS INCLUDING
SNOW...STRONG AND GUSTY NORTH TO NORTHEAST WINDS AND COLDER
TEMPERATURES. WIND CHILL VALUES WILL DROP INTO THE SINGLE DIGITS
AND TEENS. STORM TOTAL SNOWFALL AMOUNTS WILL RANGE FROM 6 TO 12
INCHES. THE STRONG WINDS WILL RESULT IN CONSIDERABLE BLOWING AND
DRIFTING SNOW REDUCING VISIBILITIES BELOW A HALF MILE AT TIMES.
A WINTER STORM WARNING IS IN EFFECT TODAY AND TONIGHT. TRAVEL
WILL BECOME HAZARDOUS WITH ROAD CLOSURES POSSIBLE. THE WEIGHT OF
THE SNOW ON TREES COMBINED WITH THE STRONG WINDS WILL RESULT IN
BROKEN LIMBS AND BRANCHES FALLING ON UTILITY LINES CAUSING POWER
OUTAGES.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

THE WINTER STORM WILL MOVE THROUGH NEBRASKA SATURDAY WITH SNOW
ENDING IN THE NORTHERN PANHANDLE IN THE MORNING. A TIGHT PRESSURE
GRADIENT WILL CREATE STRONG AND GUSTY NORTHWEST WINDS OF 35 TO 50
MPH THROUGHOUT THE DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE REQUIRED TODAY AND TONIGHT. REPORTS
OF SNOWFALL WILL BE APPRECIATED.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND
CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT...
HTTP://WEATHER.GOV/CHEYENNE

JAMSKI

In the hours before

Local storm report, Oct 4, 1:14 PM MDT, 4 hours 11 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
114 PM MDT FRI OCT 04 2013

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

0700 AM     HEAVY SNOW       1 N RAWLINS             41.80N 107.23W
10/04/2013  E7.0 INCH        CARBON             WY   CO-OP OBSERVER

            SNOW FALL 7.0. SNOW DEPTH 7 INCHES. LIQIUD CONTENT 0.75.

0630 AM     SNOW             MEDICINE BOW            41.90N 106.20W
10/04/2013  E4.0 INCH        CARBON             WY   CO-OP OBSERVER

            SNOW FALL 4.0. SNOW DEPTH 4 INCHES. LIQUID CONTENT 0.13.

0800 AM     SNOW             1 SE DOUGLAS            42.75N 105.38W
10/04/2013  E2.0 INCH        CONVERSE           WY   CO-OP OBSERVER

            SNOW FALL 2.0. SNOW DEPTH 2 INCHES. LIQUID CONTENT 0.57.

0600 AM     HEAVY SNOW       SHIRLEY BASIN           42.35N 106.21W
10/04/2013  M8.0 INCH        CARBON             WY   CO-OP OBSERVER

            SNOW FALL 8.0. SNOW DEPTH 6 INCHES. LIQUID CONTENT 0.54.

0700 AM     SNOW             4 SE BUFORD             41.07N 105.25W
10/04/2013  M4.5 INCH        LARAMIE            WY   CO-OP OBSERVER

            SNOW FALL 4.5. SNOW DEPTH 3 INCHES. IQUID CONTENT 0.39.

0730 AM     SNOW             CHUGWATER               41.76N 104.82W
10/04/2013  M3.8 INCH        PLATTE             WY   CO-OP OBSERVER

            SNOW FALL 3.8. SNOW DEPTH 4 INCHES. LIQUID CONTENT 0.85.

0500 AM     SNOW             FORT LARAMIE            42.21N 104.52W
10/04/2013  E0.2 INCH        GOSHEN             WY   CO-OP OBSERVER

            SNOW FALL 0.2. SNOW DEPTH 1 INCH. LIQUID CONTENT 0.76.

0800 AM     SNOW             2 WSW LINGLE            42.13N 104.38W
10/04/2013  M1.5 INCH        GOSHEN             WY   CO-OP OBSERVER

            SNOW FALL 1.5. SNOW DEPTH 2 INCHES. LIQID CONTENT 0.88.

0800 AM     SNOW             7 NE CHEYENNE           41.22N 104.70W
10/04/2013  M5.0 INCH        LARAMIE            WY   CO-OP OBSERVER

            SNOW FALL 5.0. SNOW DEPTH 5 INCHES. LIQUID CONTENT 0.62.

0800 AM     SNOW             9 NE HARRISON           42.78N 103.76W
10/04/2013  M1.0 INCH        SIOUX              NE   CO-OP OBSERVER

            SNOW FALL 1.0. SNOW DEPTH 1.0 INCH. LIQUID CONTENT 0.60.

0700 AM     SNOW             12 WSW HARRISBURG       41.48N 103.95W
10/04/2013  E0.5 INCH        BANNER             NE   CO-OP OBSERVER

            SNOW FALL 0.5. SNOW DEPTH 1 INCH. LIQUID CONTENT 0.71.

0700 AM     SNOW             2 WNW SCOTTSBLUFF       41.88N 103.70W
10/04/2013  E0.0 INCH        SCOTTS BLUFF       NE   CO-OP OBSERVER

            SNOW FALL T. SNOW DEPTH T. LIQUID CONTENT 0.37.

&&

DDEAL
Local storm report, Oct 4, 1:45 PM MDT, 3 hours 40 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
145 PM MDT FRI OCT 04 2013

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

0120 PM     HEAVY SNOW       11 N CHEYENNE           41.30N 104.79W
10/04/2013  M5.0 INCH        LARAMIE            WY   NWS EMPLOYEE

            SNOW RANGES BETWEEN 3 AND 12 INCHES. ROAD 124 NORTH OF
            HIGHWAY 85 HAS SEVERAL FOOT DEEP DRIFTS. VISIBILITY LESS
            THAN A QUARTER MILE ON 124 DUE TO SNOW AND BLOWING SNOW.

&&

GCLAYCOM
Local storm report, Oct 4, 1:51 PM MDT, 3 hours 34 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
151 PM MDT FRI OCT 04 2013

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

1253 PM     BLIZZARD         ALLIANCE                42.10N 102.87W
10/04/2013                   BOX BUTTE          NE   ASOS

            VISIBILITY 1/4 MILE WITH WIND SPEEDS 31 MPH SUSTAINED
            WITH GUSTS TO 43 MPH

0129 PM     BLIZZARD         CHADRON                 42.83N 103.00W
10/04/2013                   DAWES              NE   ASOS

            VISIBILITY 1/4 MILE WITH WINDS 21 MPH SUSTAINED WITH
            GUSTS TO 38 MPH

&&

GCLAYCOM
Local storm report, Oct 4, 1:59 PM MDT, 3 hours 26 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
159 PM MDT FRI OCT 04 2013

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

0100 PM     BLIZZARD         LUSK                    42.76N 104.45W
10/04/2013                   NIOBRARA           WY   AWOS

            LUSK AWOS REPORTING VISIBILITIES LESS THAN 1/4 MILE WITH
            WINDS 36 MPH SUSTAINED WITH GUSTS TO 43 MPH. WYDOT
            WEBCAMS SHOWING VERY LOW VISIBILITIES IN NIOBRARA COUNTY
            AS OF 155 PM.

&&

GCLAYCOM
Local storm report, Oct 4, 3:50 PM MDT, 1 hour 35 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
350 PM MDT FRI OCT 04 2013

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

0229 PM     HEAVY SNOW       BAGGS                   41.04N 107.66W
10/04/2013  E5.0 INCH        CARBON             WY   TRAINED SPOTTER

            5 INCHES TOTAL SNOWFALL. 4 INCHES ON GROUND CURRENTLY.
            STILL SNOWING.

0229 PM     HEAVY SNOW       BILL                    43.21N 105.26W
10/04/2013  E8.0 INCH        CONVERSE           WY   TRAINED SPOTTER

            STILL SNOWING HARD WITH WINDY CONDITIONS AND BLOWING
            SNOW. ESTIMATED VISIBILITIES AT 1/2 MILE.

0238 PM     BLIZZARD         S DOUGLAS               42.76N 105.39W
10/04/2013                   CONVERSE           WY   TRAINED SPOTTER

            VISIBILITY ABOUT 300 FEET WITH STRONG WINDS.

0239 PM     HEAVY SNOW       MUDDY GAP               42.38N 107.44W
10/04/2013  E18.0 INCH       CARBON             WY   TRAINED SPOTTER

0244 PM     HEAVY SNOW       14 NW DOUGLAS           42.90N 105.59W
10/04/2013  E4.0 INCH        CONVERSE           WY   TRAINED SPOTTER

            BLOWING HARD WITH VERY LOW VISIBILITIES AND LOTS OF SNOW
            DRIFTS.

0248 PM     HEAVY SNOW       7 WNW DOUGLAS           42.79N 105.52W
10/04/2013  M9.0 INCH        CONVERSE           WY   TRAINED SPOTTER

            VISIBILITIES 1/4 MILE. STILL SNOWING HARD WITH WINDY
            CONDITIONS.

0250 PM     HEAVY SNOW       RAWLINS                 41.78N 107.23W
10/04/2013  E9.0 INCH        CARBON             WY   TRAINED SPOTTER

            STILL SNOWING

0253 PM     HEAVY SNOW       24 S DOUGLAS            42.41N 105.39W
10/04/2013  E12.0 INCH       CONVERSE           WY   TRAINED SPOTTER

            STILL SNOWING HARD. VISIBILITY UNDER 1/4 MILE.

0254 PM     SNOW             TORRINGTON              42.07N 104.18W
10/04/2013  E2.0 INCH        GOSHEN             WY   LAW ENFORCEMENT

            ESTIMATED 1-2 INCHES ON THE GROUND.

0254 PM     SNOW             BAYARD                  41.76N 103.32W
10/04/2013  E3.0 INCH        MORRILL            NE   TRAINED SPOTTER

            ESTIMATED 2-3 INCHES ON THE GROUND.

0254 PM     HEAVY SNOW       HARRISON                42.69N 103.88W
10/04/2013  E6.0 INCH        SIOUX              NE   TRAINED SPOTTER

0254 PM     SNOW             SCOTTSBLUFF             41.87N 103.66W
10/04/2013  E2.0 INCH        SCOTTS BLUFF       NE   LAW ENFORCEMENT

0254 PM     SNOW             KIMBALL                 41.23N 103.66W
10/04/2013  E2.0 INCH        KIMBALL            NE   LAW ENFORCEMENT

0254 PM     SNOW             CHADRON                 42.83N 103.00W
10/04/2013  E3.0 INCH        DAWES              NE   LAW ENFORCEMENT

            ESTIMATED 2-3 INCHES ON THE GROUND.

0254 PM     HEAVY SNOW       HARRISBURG              41.55N 103.74W
10/04/2013  M6.0 INCH        BANNER             NE   LAW ENFORCEMENT

0254 PM     SNOW             BRIDGEPORT              41.67N 103.10W
10/04/2013  E1.0 INCH        MORRILL            NE   LAW ENFORCEMENT

0258 PM     HEAVY SNOW       27 S DOUGLAS            42.37N 105.39W
10/04/2013  E0.0 INCH        CONVERSE           WY   TRAINED SPOTTER

            14 INCHES OF SNOW AT 9 AM. NOW 20-24 INCHES OF SNOW AT
            THIS TIME. VISIBILITY UNDER 50 YARDS WITH WIND GUSTS TO
            35 MPH. WIDESPREAD SNOW DRIFTS OVER 4 FEET. STILL HEAVY
            SNOW.

0300 PM     HEAVY SNOW       CRAWFORD                42.69N 103.41W
10/04/2013  E13.0 INCH       DAWES              NE   PUBLIC

0305 PM     HEAVY SNOW       RIVERSIDE               41.21N 106.78W
10/04/2013  E8.0 INCH        CARBON             WY   TRAINED SPOTTER

            6-8 INCHES. STILL SNOWING.

0307 PM     BLIZZARD         LUSK                    42.76N 104.45W
10/04/2013                   NIOBRARA           WY   LAW ENFORCEMENT

            8 INCHES OF SNOW IN TOWN. OUTSIDE OF TOWN EXPERIENCING
            BLIZZARD CONDITIONS. ALL ROADS THROUGH COUNTY ARE CLOSED.
            15N OF LUSK WHITEOUT CONDITIONS.

0310 PM     HEAVY SNOW       SARATOGA                41.45N 106.81W
10/04/2013  E8.0 INCH        CARBON             WY   TRAINED SPOTTER

            6-8 INCHES. STILL SNOWING.

0317 PM     SNOW             16 E SINCLAIR           41.78N 106.81W
10/04/2013  E5.0 INCH        CARBON             WY   TRAINED SPOTTER

            STILL SNOWING LIGHTLY. WALCOTT JUNCTION.

0317 PM     HEAVY SNOW       LARAMIE                 41.31N 105.58W
10/04/2013  E6.0 INCH        ALBANY             WY   LAW ENFORCEMENT

            INTERSTATE 80 CLOSED.

0318 PM     HEAVY SNOW       34 NE RAWLINS           42.13N 106.76W
10/04/2013  E14.0 INCH       CARBON             WY   TRAINED SPOTTER

            12-14 INCHES. STILL SNOWING.

0321 PM     HEAVY SNOW       33 WNW WHEATLAND        42.23N 105.55W
10/04/2013  E6.0 INCH        ALBANY             WY   TRAINED SPOTTER

            SNOW HAS STOPPED. POWER IS OUT.

0324 PM     HEAVY SNOW       7 E GARRETT             42.11N 105.46W
10/04/2013  E8.0 INCH        ALBANY             WY   TRAINED SPOTTER

            STILL SNOWING WITH BLOWING SNOW. POWER IS OUT.

0328 PM     HEAVY SNOW       12 ENE BOSLER           41.65N 105.48W
10/04/2013  E12.0 INCH       ALBANY             WY   TRAINED SPOTTER

            STILL SNOWING AND OBSERVING LOTS OF DRIFTING SNOW.

0330 PM     HEAVY SNOW       WHEATLAND               42.05N 104.96W
10/04/2013  E5.0 INCH        PLATTE             WY   LAW ENFORCEMENT

            4-5 INCHES IN TOWN. NUMEROUS TREE LIMBS DOWN DUE TO HEAVY
            SNOW. POWER IS OUT IN WHEATLAND.

0330 PM     BLIZZARD         GLENDO                  42.50N 105.03W
10/04/2013                   PLATTE             WY   LAW ENFORCEMENT

            VISIBILITY 2 BLOCKS. 2.5 INCHES OF SNOW ON THE GROUND.

0335 PM     BLIZZARD         39 N TORRINGTON         42.63N 104.18W
10/04/2013                   NIOBRARA           WY   TRAINED SPOTTER

            VISIBILITY 100 FEET WITH WINDS IN THE 30S MPH RANGE. 4
            INCHES OF SNOW ON THE GROUND.

&&

GCLAYCOM
Local storm report, Oct 4, 5:19 PM MDT, 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
519 PM MDT FRI OCT 04 2013

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

0459 PM     BLIZZARD         LUSK                    42.76N 104.45W
10/04/2013                   NIOBRARA           WY   AWOS

            VISIBILITY 1/4 MILE WITH SUSTAINED WINDS 38 MPH AND GUSTS
            TO 46 MPH.

&&

GCLAYCOM

The office that day

Everything else NWS Cheyenne, WY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 4, 2:43 AM MDTBlizzard WarningCYSBox Butte, Dawes, Scotts Bluff, Sioux27 hr
Oct 4, 5:17 PM MDTWinter Weather AdvisoryCYSBanner, Box Butte, Scotts Bluff, Sioux5 hr

Nearby

Wind Advisories in Nebraska, 2013Every wind advisory in 2013

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.