Alert archive / Nebraska / Blizzard Warnings in 2013
Blizzard Warning 1, NWS Cheyenne, WY
NWS Cheyenne, WY issued this blizzard warning at Feb 9, 2013, 1:11 AM MST for 8 counties in Nebraska. It took effect at Feb 9, 2013, 5:00 PM MST. It was in force for 13 hr. 6 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Feb 9, 2013, 1:11 AM MST (08:11 UTC)
- In effect from
- Feb 9, 2013, 5:00 PM MST
- Expired
- Feb 10, 2013, 6:19 AM MST
- In force
- 13 hr
- Issued by
- NWS Cheyenne, WY
Counties Banner County, NE, Box Butte County, NE, Cheyenne County, NE, Dawes County, NE, Kimball County, NE, Morrill County, NE, Scotts Bluff County, NE, Sioux County, NE
The radar
The Cheyenne radar (KCYS), 142 km from the middle of the area, began a volume at 08:14 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 9, 7:15 PM MST | SNOW 0.5 | Harrison, NE | |
| Feb 10, 12:42 AM MST | BLIZZARD | Alliance, NE | NEAR ZERO VISIBILITIES IN HEAVY SNOW. WIND GUSTS FROM KAIA ASOS 24 MPH GUSTS TO 36 MPH. DEPUTIES ESTIMATE 3 INCHES OF SNOW HAS FALLEN IN A SHORT AMOUNT OF TIME. |
| Feb 10, 3:00 AM MST | BLIZZARD | Alliance, NE | SUSTAINED WINDS 34 MPH GUSTING TO 45 MPH. WEBCAM FOR ALLIANCE SHOWING VERY LOW VISIBILITIES. |
| Feb 10, 3:00 AM MST | BLIZZARD | Lodgepole, NE | LODEGPOLE WEBCAM SHOWING VERY LOW VISIBILITIES ALONG INTERSTATE 80. SIDNEY WINDS FROM ASOS NORTHWEST AT 34 MPH WITH GUSTS TO 43 MPH. |
| Feb 10, 4:13 AM MST | BLIZZARD | Lodgepole, NE | LODGEPOLE WEBCAM SHOWING VERY POOR VISIBILITIES IN SNOW AND BLOWING SNOW. WINDS AT SIDNEY ASOS 31 MPH SUSTANED GUSTING TO 39 MPH. |
| Feb 10, 6:00 AM MST | SNOW 0.2 | 15 S Bushnell, NE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 00:00Z, 8.2 hours before the alert went out and 223 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2643 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 151 m²/s²
- 0-3 km storm-relative helicity
- 253 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
048 WWUS45 KCYS 090811 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 111 AM MST SAT FEB 9 2013 ...SIGNIFICANT WINTER STORM WILL BRING SNOW AND BLOWING SNOW TO MUCH OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE TODAY THROUGH SUNDAY MORNING... .A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL PROGRESS EASTWARD ACROSS NORTHERN COLORADO TODAY AND INTO NEBRASKA BY SUNDAY. SURFACE LOW PRESSURE WITH THIS STORM IS FORECAST TO TRACK ACROSS NORTHERN COLORADO...PLACING PORTIONS OF SOUTHERN WYOMING AND THE NEBRASKA PANHANDLE IN A FAVORABLE AREA TO RECEIVE MODERATE TO HEAVY SNOW. SNOW IS EXPECTED TO CONTINUE THIS MORNING ACROSS CARBON COUNTY...SPREADING EASTWARD THROUGH THE DAY TODAY AND THEN PERSIST THROUGH SUNDAY MORNING...POSSIBLY BECOMING HEAVY AT TIMES NORTH OF INTERSTATE 80. AS THE SURFACE CYCLONE STRENGTHENS OVER THE PLAINS ON SUNDAY...THE PRESSURE GRADIENT WILL INCREASE. THIS WILL RESULT IN VERY STRONG NORTHERLY WINDS AND AREAS OF BLOWING AND DRIFTING SNOW EVEN AS THE SNOW BEGINS TO DIMINISH BY SUNDAY AFTERNOON. NEZ002-003-019>021-054-055-095-096-100000- /O.UPG.KCYS.BZ.A.0001.130210T0000Z-130210T1800Z/ /O.NEW.KCYS.BZ.W.0001.130210T0000Z-130210T2100Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE 111 AM MST SAT FEB 9 2013 ...BLIZZARD WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 PM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 PM MST SUNDAY. THE BLIZZARD WATCH IS NO LONGER IN EFFECT. * TIMING...5 PM SATURDAY AFTERNOON THROUGH 2 PM SUNDAY * WINDS/VISIBILITIES...NORTH TO NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH ARE EXPECTED TO DEVELOP THIS EVENING AND PERSIST THROUGH SUNDAY AFTERNOON. THESE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW THAT COULD PRODUCE WHITEOUT CONDITIONS. * TOTAL SNOW ACCUMULATIONS...5 TO 10 INCHES. MUCH OF THE SNOW WILL DRIFT WITH THE STRONG WINDS. SNOW DRIFTS OF 5 TO 7 FEET WILL BE POSSIBLE...RESULTING IN ROAD CLOSURES. * IMPACTS...MOSTLY TO TRAVEL AS VISIBILITIES WILL BE REDUCED TO NEAR ZERO. WIDESPREAD DRIFTS WILL COVER ROAD SURFACES AND MOST LIKELY WILL RESULT IN ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ WYZ101-103>105-109>114-100000- /O.CON.KCYS.WS.W.0003.130209T1200Z-130210T1800Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP... MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...ARLINGTON... ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT... RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING 111 AM MST SAT FEB 9 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM EARLY THIS MORNING TO 11 AM MST SUNDAY. * TIMING...5 AM SATURDAY THROUGH 11 AM SUNDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES ACROSS LOWER ELEVATIONS AND 12 TO 18 INCHES IN THE MOUNTAINS. * WINDS/VISIBILITIES...NORTH WINDS GUSTING TO 30 MPH WILL DEVELOP LATE TONIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MOSTLY TO TRAVEL DUE TO SNOWFALL AND LOWERED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ102-100000- /O.CON.KCYS.WS.W.0003.130209T1800Z-130210T1800Z/ NIOBRARA COUNTY- INCLUDING THE CITY OF...LUSK 111 AM MST SAT FEB 9 2013 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST SUNDAY. * TIMING...SNOW WILL BEGIN LATER THIS MORNING...WITH PERIODS OF MODERATE TO HEAVY SNOW POSSIBLE BY THIS EVENING...PERSISTING INTO SUNDAY MORNING. * TOTAL SNOW ACCUMULATIONS...5 TO 9 INCHES. * WINDS/VISIBILITIES...NORTH TO NORTHWEST WINDS SUSTAINED AT 25 TO 35 MPH WITH GUSTS TO 50 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER ONE HALF MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...TRAVEL WILL BE SIGNIFICANTLY IMPACTED WITH SIGNIFICANTLY REDUCED VISIBILITIES...SNOW COVERED ROADS AND DANGEROUS DRIVING CONDITIONS. SOME ROADS COULD CLOSE DUE TO BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ106>108-100000- /O.CON.KCYS.WW.Y.0006.130209T1800Z-130210T1800Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY- INCLUDING THE CITIES OF...BORDEAUX...GLENDO...WHEATLAND... CHUGWATER...GUERNSEY...TORRINGTON 111 AM MST SAT FEB 9 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST SUNDAY. * TIMING...A MIX OF LIGHT RAIN AND SNOW WILL BEGIN BY MIDDAY TODAY...THEN CHANGE TO ALL SNOW BY LATE THIS AFTERNOON. SNOW MAY BECOME MODERATE TO HEAVY AT TIMES SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES. * WINDS/VISIBILITIES...NORTH TO NORTHWEST WINDS 25 TO 35 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER A HALF MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SIGNIFICANTLY REDUCED VISIBILITIES AT TIMES...AND SNOW COVERED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ115>119-100000- /O.CON.KCYS.WW.Y.0006.130209T1800Z-130210T1800Z/ LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...LARAMIE...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 111 AM MST SAT FEB 9 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 11 AM MST SUNDAY. * TIMING...LIGHT SNOW WILL DEVELOP EARLY THIS AFTERNOON...WITH PERIODS OF MODERATE SNOW EXPECTED SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...3 TO 5 INCHES ALONG INTERSTATE 80 FROM LARAMIE TO PINE BLUFFS. LOCALLY HIGHER AMOUNTS WILL BE POSSIBLE NORTH OF INTERSTATE 80. * WINDS/VISIBILITIES...NORTH TO NORTHWEST WINDS 20 TO 30 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SNOW AND REDUCED VISIBILITIES AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
5 follow-up statements
478 WWUS45 KCYS 091933 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1233 PM MST SAT FEB 9 2013 ...SIGNIFICANT WINTER STORM TO IMPACT SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE TONIGHT AND SUNDAY... .A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE ACROSS NORTHERN COLORADO TODAY AND INTO NEBRASKA BY SUNDAY. THIS WILL PLACE PORTIONS OF SOUTHEAST WYOMING AND ESPECIALLY THE NEBRASKA PANHANDLE IN A FAVORABLE AREA TO RECEIVE MODERATE TO HEAVY SNOW. SNOW WILL SPREAD EAST INTO THE EASTERN PLAINS BY TONIGHT AND THEN PERSIST THROUGH SUNDAY MORNING...POSSIBLY BECOMING HEAVY AT TIMES NORTH OF INTERSTATE 80. AS THE SURFACE CYCLONE STRENGTHENS OVER NORTHEAST COLORADO AND SOUTHWEST NEBRASKA...THE PRESSURE GRADIENT WILL INCREASE. THIS WILL RESULT IN VERY STRONG NORTHERLY WINDS AND AREAS OF BLOWING AND DRIFTING SNOW EVEN AS THE SNOW BEGINS TO DIMINISH BY SUNDAY AFTERNOON. NEZ002-003-019>021-054-055-095-096-100600- /O.CON.KCYS.BZ.W.0001.130210T0000Z-130210T2100Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE 1233 PM MST SAT FEB 9 2013 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 PM MST SUNDAY... A BLIZZARD WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 2 PM MST SUNDAY. * TIMING...5 PM SATURDAY THROUGH 2 PM SUNDAY * WINDS/VISIBILITIES...NORTH WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL DEVELOP THIS EVENING AND PERSIST THROUGH SUNDAY AFTERNOON. THESE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW THAT WILL PRODUCE WHITEOUT CONDITIONS. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES...WITH LOCALLY HIGHER AMOUNTS AROUND IN KIMBALL...CHEYENNE AND MORRILL COUNTIES. MUCH OF THE SNOW WILL DRIFT WITH THE STRONG WINDS. SNOW DRIFTS OF 5 TO 7 FEET WILL BE POSSIBLE...RESULTING IN ROAD CLOSURES. * IMPACTS...MOSTLY TO TRAVEL AS VISIBILITIES WILL BE REDUCED TO NEAR ZERO. WIDESPREAD DRIFTS WILL COVER ROAD SURFACES AND MOST LIKELY WILL RESULT IN ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ WYZ101>105-109>114-100600- /O.CON.KCYS.WS.W.0003.000000T0000Z-130210T1800Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...ARLINGTON... ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT... RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING 1233 PM MST SAT FEB 9 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * TIMING...THROUGH 11 AM SUNDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES ACROSS LOWER ELEVATIONS AND 12 TO 18 INCHES IN THE MOUNTAINS. * WINDS/VISIBILITIES...NORTH WINDS GUSTING TO 30 MPH WILL DEVELOP LATE TONIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MOSTLY TO TRAVEL DUE TO SNOWFALL AND LOWERED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ106>108-100600- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY- INCLUDING THE CITIES OF...BORDEAUX...GLENDO...WHEATLAND... CHUGWATER...GUERNSEY...TORRINGTON 1233 PM MST SAT FEB 9 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * TIMING...A MIX OF LIGHT RAIN AND SNOW WILL DEVELOP EARLY THIS AFTERNOON...THEN CHANGE TO ALL SNOW BY SUNSET. SNOW MAY BECOME MODERATE TO HEAVY AT TIMES SATURDAY NIGHT. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 25 TO 35 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER A HALF MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SIGNIFICANTLY REDUCED VISIBILITIES AT TIMES...AND SNOW COVERED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ115>119-100600- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...LARAMIE...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 1233 PM MST SAT FEB 9 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * TIMING...LIGHT SNOW WILL DEVELOP BY LATE AFTERNOON...WITH PERIODS OF MODERATE SNOW EXPECTED TONIGHT. * TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES ALONG INTERSTATE 80 FROM LARAMIE TO PINE BLUFFS. LOCALLY HIGHER AMOUNTS WILL BE POSSIBLE NORTH OF INTERSTATE 80. * WINDS/VISIBILITIES...NORTHWEST WINDS 20 TO 30 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SNOW AND REDUCED VISIBILITIES AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ HAHN
689 WWUS45 KCYS 092233 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 333 PM MST SAT FEB 9 2013 ...SIGNIFICANT WINTER STORM TO IMPACT SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THROUGH MUCH OF SUNDAY... .A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE ACROSS COLORADO TODAY AND INTO NEBRASKA BY SUNDAY. THIS WILL PLACE PORTIONS OF SOUTHEAST WYOMING AND ESPECIALLY THE SOUTHERN NEBRASKA PANHANDLE IN A FAVORABLE AREA TO RECEIVE MODERATE TO HEAVY SNOW. SNOW WILL SPREAD EAST INTO THE EASTERN PLAINS BY TONIGHT AND THEN PERSIST THROUGH SUNDAY MORNING. AS THE SURFACE CYCLONE STRENGTHENS OVER NORTHEAST COLORADO AND SOUTHWEST NEBRASKA...THE PRESSURE GRADIENT WILL INCREASE. THIS WILL RESULT IN VERY STRONG NORTHERLY WINDS AND WHITE OUT CONDITIONS EVEN AS THE SNOW BEGINS TO DIMINISH BY SUNDAY AFTERNOON. NEZ002-003-019>021-054-055-095-096-100700- /O.EXT.KCYS.BZ.W.0001.130210T0000Z-130211T0100Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE 333 PM MST SAT FEB 9 2013 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 6 PM MST SUNDAY... THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 6 PM MST SUNDAY. * TIMING...5 PM SATURDAY THROUGH 6 PM SUNDAY * WINDS/VISIBILITIES...NORTH WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL DEVELOP THIS EVENING AND PERSIST THROUGH SUNDAY AFTERNOON. THESE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW THAT WILL PRODUCE WHITEOUT CONDITIONS. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS AROUND IN KIMBALL...CHEYENNE AND MORRILL COUNTIES. MUCH OF THE SNOW WILL DRIFT WITH THE STRONG WINDS. SNOW DRIFTS OF 5 TO 7 FEET WILL BE POSSIBLE...RESULTING IN ROAD CLOSURES. * IMPACTS...MOSTLY TO TRAVEL AS VISIBILITIES WILL BE REDUCED TO NEAR ZERO. WIDESPREAD DRIFTS WILL COVER ROAD SURFACES AND MOST LIKELY WILL RESULT IN ROAD CLOSURES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ WYZ101>105-109>114-100700- /O.CON.KCYS.WS.W.0003.000000T0000Z-130210T1800Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...ARLINGTON... ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT... RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING 333 PM MST SAT FEB 9 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * TIMING...THROUGH 11 AM SUNDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES ACROSS LOWER ELEVATIONS AND 12 TO 18 INCHES IN THE MOUNTAINS. * WINDS/VISIBILITIES...NORTH WINDS GUSTING TO 30 MPH WILL DEVELOP LATE TONIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MOSTLY TO TRAVEL DUE TO SNOWFALL AND LOWERED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ106>108-100700- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY- INCLUDING THE CITIES OF...BORDEAUX...GLENDO...WHEATLAND... CHUGWATER...GUERNSEY...TORRINGTON 333 PM MST SAT FEB 9 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * TIMING...THROUGH SUNDAY MORNING. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 25 TO 35 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER A HALF MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SIGNIFICANTLY REDUCED VISIBILITIES AT TIMES...AND SNOW COVERED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ115>119-100700- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...LARAMIE...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 333 PM MST SAT FEB 9 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * TIMING...THROUGH SUNDAY MORNING. * TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 20 TO 30 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SNOW AND REDUCED VISIBILITIES AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
420 WWUS45 KCYS 100453 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 953 PM MST SAT FEB 9 2013 ...WINTER STORM WILL CONTINUE TO IMPACT SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE INTO SUNDAY... .A STRONG UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE OUT OF COLORADO TONIGHT AND INTO NEBRASKA. THIS LOW PRESSURE SYSTEM WILL PLACE PORTIONS OF SOUTHEAST WYOMING AND NEBRASKA PANHANDLE IN A FAVORABLE AREA TO RECEIVE SNOW. SNOW WILL SPREAD EAST INTO THE EASTERN PLAINS BY TONIGHT AND THEN PERSIST INTO SUNDAY MORNING. AS THE SURFACE CYCLONE STRENGTHENS OVER EASTERN COLORADO TONIGHT...THE PRESSURE GRADIENT WILL INCREASE. THIS WILL RESULT IN VERY STRONG NORTHERLY WINDS PRODUCING WIDESPREAD BLOWING SNOW. NEZ002-003-019>021-054-055-095-096-101300- /O.CON.KCYS.BZ.W.0001.000000T0000Z-130211T0100Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE 953 PM MST SAT FEB 9 2013 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM MST SUNDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM MST SUNDAY. * TIMING...5 PM SATURDAY THROUGH 6 PM SUNDAY * WINDS/VISIBILITIES...NORTH WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL DEVELOP LATE TONIGHT AND PERSIST THROUGH SUNDAY AFTERNOON. THESE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW...SIGNIFICANTLY REDUCING VISIBILITIES. * TOTAL SNOW ACCUMULATIONS...1 TO 4 INCHES. * IMPACTS...MOSTLY TO TRAVEL AS VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AND ROADS WILL BECOME SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ WYZ101>105-109>114-101300- /O.CON.KCYS.WS.W.0003.000000T0000Z-130210T1800Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...ARLINGTON... ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT... RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING 953 PM MST SAT FEB 9 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * TIMING...THROUGH 11 AM SUNDAY. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES ACROSS LOWER ELEVATIONS AND 12 TO 18 INCHES IN THE MOUNTAINS. * WINDS/VISIBILITIES...NORTH WINDS GUSTING TO 30 MPH WILL DEVELOP LATE TONIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MOSTLY TO TRAVEL DUE TO SNOWFALL AND LOWERED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ106>108-101300- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY- INCLUDING THE CITIES OF...BORDEAUX...GLENDO...WHEATLAND... CHUGWATER...GUERNSEY...TORRINGTON 953 PM MST SAT FEB 9 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * TIMING...THROUGH SUNDAY MORNING. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 25 TO 35 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER A HALF MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SIGNIFICANTLY REDUCED VISIBILITIES AT TIMES...AND SNOW COVERED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ115>119-101300- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...LARAMIE...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 953 PM MST SAT FEB 9 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST SUNDAY. * TIMING...THROUGH SUNDAY MORNING. * TOTAL SNOW ACCUMULATIONS...2 TO 5 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 20 TO 30 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SNOW AND REDUCED VISIBILITIES AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ LIEBL
260 WWUS45 KCYS 101134 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 434 AM MST SUN FEB 10 2013 ...WINTER STORM WILL CONTINUE TO IMPACT SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THIS MORNING... .SNOW CONTINUES OVER SOUTHEAST WYOMING AND NEBRASKA PANHANDLE THIS MORNING AND IS EXPECTED TO CONTINUE THROUGH THE MORNING HOURS. LOW PRESSURE CURRENTLY TRACKING INTO WESTERN NEBRASKA AND IS WRAPPING MOISTURE AROUND THE NORTH AND NORTHWEST SIDE OF THE LOW EARLY THIS MORNING. VERY STRONG NORTHWEST WINDS HAVE DEVELOPED TO THE WEST AND NORTHWEST SIDE OF THE LOW AND IS CAUSING WIDESPREAD BLOWING AND DRIFTING SNOW EAST OF THE LARAMIE RANGE AND OUT IN THE PANHANDLE. THESE STRONG WINDS WILL CONTINUE AT LEAST THROUGH THE MORNING HOURS AS THE LOW MOVES SLOWLY EAST. NEZ002-003-019>021-054-055-095-096-102345- /O.CON.KCYS.BZ.W.0001.000000T0000Z-130211T0100Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE 434 AM MST SUN FEB 10 2013 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING. * TIMING...THROUGH 6 PM SUNDAY * WINDS/VISIBILITIES...NORTH WINDS OF 30 TO 40 MPH WITH GUSTS TO 50 MPH WILL PERSIST THROUGH SUNDAY AFTERNOON. THESE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW...SIGNIFICANTLY REDUCING VISIBILITIES. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL 1-3 INCHES. * IMPACTS...MOSTLY TO TRAVEL AS VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AND ROADS WILL BECOME SNOW COVERED AND SLIPPERY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITEOUT CONDITIONS...MAKING TRAVEL EXTREMELY DANGEROUS. DO NOT TRAVEL. IF YOU MUST...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE. FOR SPECIFIC ROAD AND TRAVEL CONDITIONS IN WYOMING AND NEBRASKA...DIAL 5 1 1. AVOID RAILROAD CROSSINGS IF POSSIBLE...USE EXTREME CAUTION WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS IF NOT ABLE TO AVOID THEM. && $$ WYZ101>105-109>114-101800- /O.CON.KCYS.WS.W.0003.000000T0000Z-130210T1800Z/ CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...ARLINGTON... ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT... RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING 434 AM MST SUN FEB 10 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * TIMING...THROUGH 11 AM THIS MORNING. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES ACROSS LOWER ELEVATIONS AND 12 TO 18 INCHES IN THE MOUNTAINS. * WINDS/VISIBILITIES...NORTH WINDS GUSTING TO 30 MPH WILL DEVELOP LATE TONIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MOSTLY TO TRAVEL DUE TO SNOWFALL AND LOWERED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ106>108-101800- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY- INCLUDING THE CITIES OF...BORDEAUX...GLENDO...WHEATLAND... CHUGWATER...GUERNSEY...TORRINGTON 434 AM MST SUN FEB 10 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * TIMING...THROUGH THIS MORNING. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 25 TO 35 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER A HALF MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SIGNIFICANTLY REDUCED VISIBILITIES AT TIMES...AND SNOW COVERED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ115>119-101800- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...LARAMIE...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 434 AM MST SUN FEB 10 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * TIMING...THROUGH THIS MORNING MORNING. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 20 TO 30 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SNOW AND REDUCED VISIBILITIES AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
137 WWUS45 KCYS 101319 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 619 AM MST SUN FEB 10 2013 ...WINTER STORM WILL CONTINUE TO IMPACT SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THIS MORNING... .SNOW CONTINUES OVER SOUTHEAST WYOMING AND NEBRASKA PANHANDLE THIS MORNING AND IS EXPECTED TO CONTINUE THROUGH THE MORNING HOURS. LOW PRESSURE CURRENTLY TRACKING INTO CENTRAL NEBRASKA IS WRAPPING MOISTURE AROUND THE NORTH AND NORTHWEST SIDE OF THE LOW EARLY THIS MORNING. VERY STRONG NORTHWEST WINDS HAVE DEVELOPED TO THE WEST AND NORTHWEST SIDE OF THE LOW AND IS CAUSING WIDESPREAD BLOWING AND DRIFTING SNOW EAST OF THE LARAMIE RANGE AND OUT IN THE PANHANDLE. THESE STRONG WINDS WILL CONTINUE AT LEAST THROUGH THE MORNING HOURS AS THE LOW MOVES SLOWLY EAST. NEZ002-003-019>021-054-055-095-096-110100- /O.CAN.KCYS.BZ.W.0001.000000T0000Z-130211T0100Z/ /O.EXB.KCYS.WW.Y.0006.000000T0000Z-130211T0100Z/ DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE 619 AM MST SUN FEB 10 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 PM MST THIS EVENING... ...BLIZZARD WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 PM MST THIS EVENING. THE BLIZZARD WARNING HAS BEEN CANCELLED. * TIMING...THROUGH THIS 6 PM THIS AFTERNOON. * TOTAL SNOW ACCUMULATIONS...2 TO 4 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 20 TO 30 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER A HALF MILE AT TIMES IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SNOW AND REDUCED VISIBILITIES AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ102-101800- /O.CAN.KCYS.WS.W.0003.000000T0000Z-130210T1800Z/ /O.EXA.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ NIOBRARA COUNTY- INCLUDING THE CITY OF...LUSK 619 AM MST SUN FEB 10 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM MST THIS MORNING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 11 AM MST THIS MORNING. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...THROUGH 11 AM THIS MORNING. * TOTAL SNOW ACCUMULATIONS...3 TO 4 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 20 TO 30 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SNOW AND REDUCED VISIBILITIES AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ101-103>105-109>114-101800- /O.CON.KCYS.WS.W.0003.000000T0000Z-130210T1800Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-SIERRA MADRE RANGE- UPPER NORTH PLATTE RIVER BASIN-SNOWY RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...MUDDY GAP... MEDICINE BOW...RAWLINS...SINCLAIR...HANNA...ARLINGTON... ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT... RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING 619 AM MST SUN FEB 10 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * TIMING...THROUGH 11 AM THIS MORNING. * TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES ACROSS LOWER ELEVATIONS AND 12 TO 18 INCHES IN THE MOUNTAINS. * WINDS/VISIBILITIES...NORTH WINDS GUSTING TO 30 MPH WILL DEVELOP LATE TONIGHT. VISIBILITIES WILL BE REDUCED TO LESS THAN ONE HALF MILE AT TIMES IN SNOW AND BLOWING SNOW. * IMPACTS...MOSTLY TO TRAVEL DUE TO SNOWFALL AND LOWERED VISIBILITIES IN BLOWING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ WYZ106>108-101800- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN COUNTY- INCLUDING THE CITIES OF...BORDEAUX...GLENDO...WHEATLAND... CHUGWATER...GUERNSEY...TORRINGTON 619 AM MST SUN FEB 10 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * TIMING...THROUGH 11 AM THIS MORNING. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 25 TO 35 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER A HALF MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SIGNIFICANTLY REDUCED VISIBILITIES AT TIMES...AND SNOW COVERED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$ WYZ115>119-101800- /O.CON.KCYS.WW.Y.0006.000000T0000Z-130210T1800Z/ LARAMIE VALLEY-SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...LARAMIE...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 619 AM MST SUN FEB 10 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST THIS MORNING. * TIMING...THROUGH 11 AM THIS MORNING. * TOTAL SNOW ACCUMULATIONS...3 TO 6 INCHES. * WINDS/VISIBILITIES...NORTHWEST WINDS 20 TO 30 MPH SUSTAINED WITH GUSTS TO 45 MPH WILL BE POSSIBLE. VISIBILITIES WILL BE REDUCED TO UNDER ONE MILE IN BLOWING AND DRIFTING SNOW. * IMPACTS...MAINLY TRAVEL DIFFICULTIES WITH PERIODS OF SNOW AND REDUCED VISIBILITIES AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS AND WHEN APPROACHING AND DRIVING OVER RAILROAD CROSSINGS. && $$
What forecasters said that day
The local office's own words before this blizzard warning 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 blizzard warning went out at Feb 8, 9:34 PM MST, 3 hours 37 minutes earlier.
Area forecast discussion, Feb 8, 9:34 PM MST, 3 hours 37 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
934 PM MST FRI FEB 8 2013
.UPDATE...
UPPER LEVEL LOW PRESSURE SYSTEM WAS SITUATED ALONG THE CENTRAL
UTAH/NEVADA BORDER...MOVING STEADILY EAST-NORTHEAST. A SURFACE
LOW WAS LOCATED OVER EASTERN UTAH WITH A FRONT EXTENDING NORTHEAST
ACROSS SOUTHEAST WYOMING AND NORTHWEST NEBRASKA. LIGHT SNOW/SHOWERS
WERE DEVELOPING AND SPREADING NORTHWARD FROM WESTERN COLORADO
INTO SOUTH AND CENTRAL WYOMING. LIGHT SNOW WAS REPORTED AT RAWLINS
DURING THE PAST HOUR.
REVISIONS TO THE EVENING FORECAST/GRIDS INCLUDED EXTENDING THE
PRECIPITATION FURTHER EAST TOWARD I-25...INCREASING CLOUD COVERAGE
AND RAISING POPS. EXPECT SNOW ACCUMULATIONS FROM AN INCH IN THE
VALLEYS TO AS MUCH AS FOUR INCHES FOR THE MOUNTAINS.
&&
.AVIATION...06Z TAF ISSUANCE...
A COLD FRONT WILL DROP SOUTH ACROSS THE AREA OVERNIGHT. LIGHT
SNOW WILL SPREAD NORTHWARD ACROSS CARBON...ALBANY AND CONVERSE
COUNTIES TONIGHT...WITH MVFR TO OCCASIONAL IFR CEILINGS THROUGH
SATURDAY MORNING. THE SNOW WILL SPREAD EAST INTO SOUTHEAST WYOMING
BY SATURDAY AFTERNOON...WITH LIGHT RAIN OR RAIN/SNOW MIX FOR THE
WESTERN PANHANDLE. CEILINGS AND VISIBILITIES WILL DETERIORATE
TO IFR TO LIFR IN SNOW AND BLOWING SNOW SATURDAY EVENING AS
NORTHERLY WINDS GUST UP TO 30 KT.
&&
.PREV DISCUSSION... /ISSUED 335 PM MST FRI FEB 8 2013/
SHORT TERM...TONIGHT THROUGH SUNDAY...MAIN FORECAST CONCERN FOR
THIS WEEKEND WILL BE SNOW AMOUNTS AND WIND SPEEDS AS A POTENT
STORM SYSTEM MOVES EASTWARD ACROSS THE GREAT BASIN REGION AND THE
CENTRAL ROCKIES TONIGHT AND EARLY SATURDAY. THIS IS A TRICKY
SYSTEM TO FORECAST WITH SEVERAL KEY ELEMENTS PLAYING A SIGNIFICANT
ROLE IN STORM IMPACTS. A MINOR DEVIATION IN STORM TRACK OR DELAY
IN CYCLOGENESIS WILL GREATLY IMPACT SNOW AMOUNTS.
**MODEL DIFFERENCES**
CURRENTLY...INDIVIDUAL MODELS HAVE MAINTAINED THEIR CONSISTENCY.
THIS ISSUE IS SEVERAL OF THEM ARE SHOWING A VARIETY OF
DIFFERENCES. THE MOST AGGRESSIVE MODELS ARE THE GEM...AND THE 12Z AND
18Z NAM. BOTH MODELS ARE IN VERY GOOD AGREEMENT SHOWING THE 500MB
CENTER OF THE STORM PUSHING EASTWARD OVER NORTHERN COLORADO AND
INTO NE COLORADO JUST SOUTH OF THE NEBRASKA BORDER. SURFACE
CYCLOGENESIS IS OVER EXTREME NE COLORADO AND SOUTH CENTRAL
NEBRASKA. THIS IS A DECENT LOCATION FOR WINTER STORM/BLIZZARD
CONDITIONS AND HEAVY SNOW ACROSS THE WESTERN NEBRASKA PANHANDLE
AND EXTREME SOUTHEAST WYOMING. IN FACT...SURPRISED THESE MODELS
DO NOT SHOW THE HIGH QPF VALUES OF BETWEEN 0.50 TO ONE INCH OF
LIQUID FURTHER TO THE WEST TOWARDS THE LARAMIE RANGE. IN
CONTRAST...THE ECMWF IS SIGNIFICANTLY FURTHER SOUTH AND SHOWS
CYCLOGENESIS FURTHER TO THE EAST ACROSS KANSAS AND CENTRAL
NEBRASKA. WITH THIS SOLUTION...THE SOUTHERN PANHANDLE APPEARS TO
BE THE MOST LIKELY LOCATION TO RECEIVE HEAVY SNOW AND BLIZZARD
CONDITIONS. THE GFS IS FURTHER TO THE NORTH...SHOWING THE 500MB
CENTER PARALLELING THE COLORADO/WYOMING BORDER AND MOVING MUCH
FASTER...WITH CYCLOGENESIS OCCURRING IN EASTERN NEBRASKA. THE GFS
SOLUTION IS THE DRIEST SOLUTION WITH THE MOST SNOWFALL ACROSS THE
NORTHERN PANHANDLE...BUT EVEN THEN WE ARE ONLY TALKING ABOUT 3 TO
5 INCHES. THE NEW 15Z SREF IS IN AGREEMENT WITH THE NAM AND GEM AT
THIS TIME...SHOWING MOST OF THE PANHANDLE WITH HEAVY SNOW AND
BLIZZARD CONDITIONS.
**SNOW ACCUMULATIONS**
WITH MODEL DIFFERENCES IN MIND...FEEL THE AREAS WITH BEST CHANCE
TO SEE HEAVY SNOWFALL WILL BE THE MOUNTAINS WHERE 12 TO 18 INCHES
COULD FALL. THE BEST AREA APPEARS TO BE THE NORTHERN LARAMIE RANGE
DUE TO FAVORABLE UPSLOPE FLOW. WEST OF THE LARAMIE RANGE IS TRICKY
AND WILL DEPEND GREATLY ON TERRAIN. CURRENT GUIDANCE INDICATES
DOWNSLOPE WINDS ACROSS THE VALLEYS ADJACENT TO THE SNOWY AND
SIERRA MADRE RANGES...SO ONLY EXPECTED 3 TO 6 INCHES OF SNOW ALONG
AND SOUTH OF I80 AND MAY NEED TO DOWNGRADE THE WINTER STORM
WARNING. FURTHER TO THE NORTH LOOKS MORE FAVORABLE...NORTH OF I80
WITH BETTER LIFT AND UPSLOPE FLOW...4 TO 8 INCHES LOOK LIKELY HERE
IN LOCATIONS SUCH AS NORTHERN CARBON COUNTY...NORTHERN ALBANY
COUNTY...AND CONVERSE COUNTY.
FOR THE HIGH PLAINS OF SOUTHEAST WYOMING...DOWNSLOPE WINDS WILL
BECOME AN ISSUE ALONG THE I80 CORRIDOR AND WILL LIKELY RESULT IN
THE LOWEST SNOW TOTALS. FROM LARAMIE TO CHEYENNE...TO PINE
BLUFFS...EXPECT 1 TO 4 INCHES OF SNOW WITH THE HIGHEST AMOUNTS
NORTH OF I80 TOWARDS GOSHEN AND PLATTE COUNTIES. SNOW TOTALS
BETWEEN 5 TO 8 INCHES WILL BE CONFINED TO CONVERSE AND NIOBRARA
COUNTIES. WOULD NOT BE SURPRISED IF A FEW LOCATIONS NEAR THE
COLORADO BORDER ONLY END UP WITH A TRACE OF SNOW GIVEN THE STRONG
DOWNSLOPE COMPONENT A FEW MODELS ARE SHOWING.
WESTERN NEBRASKA...UNCERTAINTY STILL EXISTS WITH BLIZZARD
CONDITIONS SO KEPT THE BLIZZARD WATCH OUT. TRENDING TOWARDS THE
NORTHERN PANHANDLE RECEIVING THE HIGHEST SNOW AMOUNTS AND BLIZZARD
CONDITIONS...BUT NOT CERTAIN ENOUGH FOR A BLIZZARD WARNING.
BLOWING SNOW WILL BE A MAJOR ISSUE ACROSS WESTERN NEBRASKA LATE
SATURDAY NIGHT INTO SUNDAY SO EXACT SNOW TOTALS WILL BE DIFFICULT
TO DETERMINE. CURRENTLY EXPECT BETWEEN 5 TO 10 INCHES OF SNOW
ACROSS WESTERN NEBRASKA...HIGHEST AMOUNTS ALONG AND NEAR THE PINE
RIDGE. HOWEVER...THIS MAY CHANGE OVER THE NEXT 12 TO 24 HOURS
DEPENDING ON THE POSITION OF THE STORM.
**WINDS**
THE STRONGEST WINDS WILL OCCUR OVER WESTERN NEBRASKA AND EXTREME
SOUTHEAST WYOMING...WITH SUSTAINED NORTHERLY WINDS BETWEEN 25 TO
35 MPH AND GUSTS UP TO 55 MPH. FURTHER WEST...WINDS WILL NOT BE
MUCH OF AN ISSUE...WITH NORTHWEST WINDS AROUND 15 TO 20 MPH AND
GUSTS UP TO 30 MPH AT TIMES...EVEN LOWER IN THE MORE SHELTERED
VALLEYS.
FOR SOUTHEAST WYOMING...UPGRADED THE WINTER STORM WATCH TO A
WARNING OVER NIOBRARA COUNTY AND ISSUED A WINTER WEATHER ADVISORY
FOR THE REMAINDER OF THE HIGH PLAINS NEAR THE COLORADO BORDER.
SNOW WILL BEGIN TO TAPER OFF EARLY SUNDAY MORNING AS THE STORM
SYSTEM EXITS TO THE EAST. HOWEVER...LIGHT SNOW AND FLURRIES WILL
CONTINUE THROUGH THE DAY AND INTO SUNDAY NIGHT AS A SECONDARY
UPPER LEVEL DISTURBANCE DIGS SOUTHWARD.
LONG TERM...SUNDAY NIGHT THROUGH FRIDAY...
A LONGWAVE TROUGH COMPOSED OF TWO SEPARATE AREAS OF LOW PRESSURE
WILL BE CENTERED ACROSS THE CENTRAL CONUS AT THE BEGINNING OF THE
PERIOD. THE FIRST LOW PRESSURE AREA THAT WILL HAVE BROUGHT SNOW TO
THE REGION THIS UPCOMING WEEKEND WILL BE ACROSS THE UPPER MIDWEST...
WHILE THE TRAILING LOW PRESSURE SWINGS ACROSS THE DESERT SOUTHWEST.
WILL STILL SEE SOME LINGERING LIGHT SNOW CONTINUE MAINLY OVER THE
SNOWY AND SIERRA MADRE RANGES SUNDAY NIGHT...BUT EXPECT COVERAGE AND
INTENSITIES TO DIMINISH DURING THE DAY ON MONDAY. TEMPERATURES ON
MONDAY WILL BE HEAVILY DEPENDENT UPON WHERE SNOW FALLS OVER THE
WEEKEND. FOR NOW HAVE UNDERCUT GUIDANCE IN THE ANTICIPATION MOST OF
THE AREA HAVING AT LEAST SOME SNOW COVER. SO...EXPECT HIGHS IN THE
TEENS WEST AND 20S EAST.
DRY NORTHWEST FLOW WILL PREVAIL ON TUESDAY...BUT SHOULD KEEP
TEMPERATURES FAIRLY COOL. AGAIN...HAVE UNDERCUT GUIDANCE WITH THE
ANTICIPATION OF AT LEAST SOME SNOW COVER. HIGHS WILL WARM INTO THE
20S WEST OF THE LARAMIE RANGE AND 30S OUT ON THE EASTERN PLAINS.
ON WEDNESDAY...ALBERTA CLIPPER WILL DIVE SOUTHEAST OUT OF THE PAC NW
TOWARDS THE CWFA. ALTHOUGH AVAILABLE MOISTURE WILL BE LIMITED...IT
WILL BE ENOUGH TO WARRANT LIGHT SNOW CHANCES...ESPECIALLY ASSOCIATED
WITH A COLD FROPA ON WEDNESDAY NIGHT AND EARLY THURSDAY. THE
MOUNTAINS WILL SEE THE BEST PERIOD OF SNOW WITH LIGHT ACCUMULATIONS
THERE. MANY LOWER ELEVATIONS MAY SEE LIGHT SNOW AS WELL...BUT ANY
ACCUMULATION IS EXPECTED TO REMAIN VERY LIGHT. WILL ALSO SEE LLVL
GRADIENTS TIGHTEN TO NR 70 METERS BETWEEN KCAG TO KCPR ON WEDNESDAY.
SO WILL NEED TO WATCH THIS PERIOD FOR THE POTENTIAL FOR A HIGH WIND
EVENT IN WIND PRONE AREAS OF SE WYOMING. TEMPERATURES WILL BE COLDER
AGAIN ON THURSDAY AND FRIDAY...AS A COLDER AIR MASS ONCE AGAIN
SETTLES IN. HIGHS WILL ONLY REACH THE TEENS/LOWER 20S WEST OF THE
LARAMIE RANGE...WITH UPPER 20S/LOW 30S OUT ON THE EASTERN PLAINS.
NORTHERLY FLOW WILL DEVELOP BEHIND THE ALBERTA CLIPPER ON
FRIDAY...BUT WITH HEIGHTS BEGINNING TO RISE EXPECT CONDITIONS TO
REMAIN DRY.
&&
FIRE WEATHER...NO FIRE WEATHER CONCERNS AS MOST OF SOUTHEAST
WYOMING AND NEBRASKA PANHANDLE WILL SEE ACCUMULATING SNOW AND MUCH
COLDER TEMPERATURES THIS WEEKEND AND EARLY NEXT WEEK. SNOW TO
BEGIN LATE TONIGHT/EARLY SATURDAY MORNING ACROSS CARBON COUNTY IN
RESPONSE TO A PACIFIC LOW PRESSURE SYSTEM MOVING INTO WESTERN
COLORADO. SNOW WILL SPREAD EAST SATURDAY NIGHT INTO SUNDAY. MOST
LOCATIONS WILL SEE 5+ INCHES OF SNOW WITH THIS EVENT WITH HIGHER
TOTALS IN THE MOUNTAINS.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER STORM WARNING FROM 5 AM SATURDAY TO 11 AM SUNDAY FOR
WYZ101-WYZ103-WYZ104-WYZ105-WYZ109-WYZ110-WYZ111-WYZ112-
WYZ113-WYZ114.
WINTER STORM WARNING FROM 11 AM SATURDAY TO 11 AM SUNDAY FOR
WYZ102.
WINTER WEATHER ADVISORY FROM 11 AM SATURDAY TO 11 AM SUNDAY FOR
WYZ106-WYZ107-WYZ108-WYZ115-WYZ116-WYZ117-WYZ118-WYZ119.
NE...BLIZZARD WATCH FROM 5 PM SATURDAY TO 11 AM SUNDAY FOR NEZ002-
NEZ003-NEZ019-NEZ020-NEZ021-NEZ054-NEZ055-NEZ095-NEZ096.
&&
SHORT TERM/FIRE WEATHER...TJT
LONG TERM...HAHN
UPDATE/AVIATION...JAMSKIHazardous weather outlook, Feb 8, 8:14 PM MST, 4 hours 57 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 814 PM MST FRI FEB 8 2013 WYZ101>119-100315- CONVERSE COUNTY LOWER ELEVATIONS-NIOBRARA COUNTY- NORTH LARAMIE RANGE-FERRIS/SEMINOE/SHIRLEY MOUNTAINS- SHIRLEY BASIN-CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-GOSHEN 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- 814 PM MST FRI FEB 8 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...TONIGHT LIGHT SNOW WILL DEVELOP AND SPREAD NORTH ACROSS EAST CENTRAL AND SOUTH CENTRAL WYOMING TONIGHT. ACCUMULATIONS WILL RANGE FROM AN INCH FOR THE VALLEYS TO AS MUCH AS FOUR INCHES OVER THE MOUNTAINS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY LIGHT SNOW SATURDAY MORNING ALONG AND WEST OF THE LARAMIE RANGE WILL SPREAD EAST OVER THE PLAINS SATURDAY AFTERNOON AND NIGHT. HAZARDOUS DRIVING CONDITIONS CAN BE EXPECTED AS ROADS BECOME SNOW COVERED. NORTHWEST WINDS WILL INCREASE SATURDAY NIGHT...ESPECIALLY EAST OF THE LARAMIE RANGE WHERE GUSTS OF 30 TO 45 MPH WILL BE POSSIBLE. THE COMBINATION OF SNOWFALL AND GUSTY WINDS WILL CREATE AREAS OF BLOWING AND DRIFTING SNOW SATURDAY NIGHT AND SUNDAY MORNING. WINTER STORM WARNINGS ARE IN EFFECT FOR CARBON...CONVERSE...NIOBRARA AND NORTHERN AND WESTERN ALBANY COUNTIES FROM 5 AM SATURDAY THROUGH 11 AM SUNDAY. WINTER WEATHER ADVISORIES ARE IN EFFECT FOR MUCH OF SOUTHEAST WYOMING FROM 11 AM SATURDAY THROUGH 11 AM SUNDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ002-003-019>021-054-055-095-096-100315- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX- 814 PM MST FRI FEB 8 2013 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY A WINTER STORM WILL IMPACT THE NEBRASKA PANHANDLE THIS WEEKEND. SNOW ACCUMULATIONS OF 5 TO 9 INCHES CAN BE EXPECTED FROM SATURDAY EVENING THROUGH SUNDAY MORNING. NORTH TO NORTHWEST WINDS WILL INCREASE WITH GUSTS TO AROUND 50 MPH BY SUNDAY MORNING...CREATING SIGNIFICANT BLOWING AND DRIFTING SNOW THROUGH THE AFTERNOON. BLIZZARD WATCHES HAVE BEEN POSTED FOR THE NEBRASKA PANHANDLE FOR THIS EVENT FROM 5 PM SATURDAY THROUGH 11 AM SUNDAY MORNING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TONIGHT. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE JAMSKI
Nearby
Blizzard Warnings in Nebraska, 2013Every blizzard warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.