Alert archive / Nebraska / Blizzard Warnings in 2009
Blizzard Warning 5, NWS Cheyenne, WY
NWS Cheyenne, WY issued this blizzard warning at Dec 25, 2009, 1:13 PM MST for Dawes County, Sioux County, Nebraska; Niobrara County, Wyoming. It was in force for 16 hr. 8 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
- Dec 25, 2009, 1:13 PM MST (20:13 UTC)
- Expired
- Dec 26, 2009, 5:00 AM MST
- In force
- 16 hr
- Issued by
- NWS Cheyenne, WY
Counties Dawes County, NE, Sioux County, NE, Niobrara County, WY
The radar
The Rapid City radar (KUDX), 171 km from the middle of the area, began a volume at 20:16 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 |
|---|---|---|---|
| Dec 25, 2:55 PM MST | BLIZZARD | Chadron, NE | DRIFTS 3-4 FEET HIGH. DIFFICULT TO MEASURE SNOWFALL. CDR ASOS HAD 1/4SM FOR SINCE 1143 AM MST. |
| Dec 25, 2:55 PM MST | BLIZZARD | Harrison, NE | DRIFTS 3 FEET HIGH. VSBY ONLY A FEW HUNDRED YARDS SINCE MID MORNING. |
| Dec 25, 3:00 PM MST | BLIZZARD | Lusk, WY | VSBY LESS THAT 200 YARDS SINCE LATE MORNING IN BLOWING AND DRIFTING SNOW. |
| Dec 25, 6:32 PM MST | BLIZZARD | Harrison, NE | VISIBILITY AT 300 FEET OR LOWER. |
| Dec 25, 8:15 PM MST | BLIZZARD | Chadron, NE | ONE QUARTER MILE VISIBILITY OBSERVED SINCE 1143 AM MST. |
| Dec 25, 8:57 PM MST | BLIZZARD | Lusk, WY | ONE QUARTER MILE VISIBILITY CONTINUED TO BE OBSERVED...ALONG WITH HEAVY SNOW AND NORTHWEST WINDS 28 KNOTS GUSTING TO 34 KNOTS. |
| Dec 25, 11:30 PM MST | BLIZZARD | Chadron, NE | LOCAL LAW ENFORCEMENT STATED THAT VISIBILITIES WERE LESS THAN QUARTER OF A MILE DUE TO STRONG WINDS AND SNOW IN TOWN. CHADRON ASOS WAS REPORTING ONLY 3/4 MILE VISIBILITY WITH WIND GUSTS OF 35 MPH. |
| Dec 26, 2:01 AM MST | BLIZZARD | Lusk, WY | LUSK AWOS RECORDED VISIBILITY LESS THAN A QUARTER OF A MILE WITH SUSTAINED WIND OF 37 MPH AND WIND GUST OF 48 MPH IN HEAVY SNOW. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 8.2 hours before the alert went out and 164 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
- 847 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 358 m²/s²
- 0-3 km storm-relative helicity
- 550 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS45 KCYS 252013 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 113 PM MST FRI DEC 25 2009 ...STUBBORN WINTER STORM SYSTEM EXPECTED TO IMPACT PORTIONS OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THROUGH THE HOLIDAY WEEKEND... .THE STRONG HOLIDAY STORM SYSTEM ACROSS THE CENTRAL UNITED STATES WILL CONTINUE TO IMPACT WYOMING AND THE NEBRASKA PANHANDLE THROUGH THE EARLY PORTION OF THE WEEKEND. VERY STRONG NORTHWEST WINDS WILL CONTINUE ALONG WITH PERIODS OF SNOW...RESULTING IN AREAS OF BLOWING SNOW ACROSS THE REGION INTO SATURDAY AFTERNOON. NEZ002-095-WYZ102-260900- /O.NEW.KCYS.BZ.W.0005.091225T2013Z-091226T0200Z/ /O.EXT.KCYS.WS.W.0012.000000T0000Z-091226T1900Z/ DAWES-NORTH SIOUX-NIOBRARA COUNTY- INCLUDING THE CITIES OF...CHADRON...HARRISON...LUSK 113 PM MST FRI DEC 25 2009 ...BLIZZARD WARNING IN EFFECT UNTIL 7 PM MST THIS EVENING... ...WINTER STORM WARNING NOW IN EFFECT FROM 7 PM THIS EVENING TO NOON MST SATURDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT UNTIL 7 PM MST THIS EVENING. THE WINTER STORM WARNING IS NOW IN EFFECT FROM 7 PM THIS EVENING TO NOON MST SATURDAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...WIDESPREAD LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE GREATEST ALONG THE PINE RIDGE WHERE 5 TO 10 INCHES WILL BE POSSIBLE BY EARLY SATURDAY. ELSEWHERE...4 TO 8 INCHES OF NEW SNOW CAN BE EXPECTED. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL CONTINUE TODAY WITH WINDS SLOWLY DECREASING TONIGHT AND SATURDAY MORNING. THE STRONG WINDS WILL PRODUCE WIND CHILL TEMPERATURES OF 10 BELOW TO 20 BELOW ZERO AND BLIZZARD CONDITIONS THROUGH EARLY THIS EVENING. VISIBILITIES WILL BE NEAR ZERO AT TIMES IN BLOWING AND DRIFTING SNOW. * IMPACTS...THE VERY COLD WIND CHILLS WILL CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. THE BLOWING SNOW WILL BE A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING 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. 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. && $$ NEZ003-019>021-054-055-096-WYZ108-260900- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1900Z/ BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- SOUTH SIOUX-GOSHEN COUNTY- INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING... HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE... TORRINGTON 113 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW AND BLOWING SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE GREATEST ALONG THE PINE RIDGE WHERE 4 TO 7 INCHES WILL BE POSSIBLE BY EARLY SATURDAY. ELSEWHERE...2 TO 5 INCHES OF NEW SNOW CAN BE EXPECTED. * WINDS/VISIBILITIES...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL OCCUR TODAY WITH WINDS DECREASING SLOWLY TONIGHT AND THEN PICKING UP AGAIN SATURDAY MORNING. WIND CHILL TEMPERATURES WILL RANGE FROM 10 BELOW TO 20 BELOW ZERO. EXPECT WIDESPREAD BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW ONE HALF MILE AT TIMES. * IMPACTS...THE VERY COLD WIND CHILLS WILL CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. THE BLOWING SNOW WILL BE A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ112-114-260900- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 113 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...SNOW WILL CONTINUE OVER THE SIERRA MADRE AND SNOWY RANGES TODAY AND TONIGHT. SNOW WILL CONTINUE TO BE PRESENT SATURDAY...BUT SNOWFALL RATES ARE EXPECTED TO DECREASE LATE TONIGHT SO SIGNIFICANT ACCUMULATIONS WILL DIMINISH BY EARLY SATURDAY. * TOTAL SNOW ACCUMULATIONS...6 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE BY EARLY SATURDAY MORNING. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS 25 TO 35 MPH WITH GUSTS UP TO 50 MPH INTO TONIGHT. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THOSE RECREATING IN THE HIGHER TERRAIN AREAS OF THE SIERRA MADRE AND SNOWY RANGES SHOULD BE PREPARED FOR HAZARDOUS CONDITIONS WITH PERIODS OF NEAR ZERO VISIBILITIES...STRONG WINDS AND VERY COLD TEMPERATURES. ROADWAYS WILL LIKELY BECOME SNOWPACKED AND SLIPPERY CREATING ADDITIONAL TRAVEL HAZARDS. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ101-103-106-107-116>119-260900- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX... GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 113 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...SNOW WILL INCREASE IN COVERAGE TODAY AND INTENSIFY TODAY AND THIS EVENING...ESPECIALLY NORTH OF CHEYENNE. WINDS WILL REMAIN STRONG THROUGH THE DAY AND INTO TONIGHT. * TOTAL SNOW ACCUMULATIONS...2 TO 6 INCHES OF NEW SNOWFALL CAN BE EXPECTED WITH THE HIGHEST AMOUNTS OVER CONVERSE COUNTY...6 TO 12 INCHES OF NEW SNOW IS EXPECTED ACROSS THE HIGHER TERRAIN OF THE LARAMIE RANGE. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS REACHING 25 TO 40 MPH WITH GUSTS TO 55 MPH TODAY AND TONIGHT. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THE BLOWING SNOW WILL QUICKLY BECOME A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT...ESPECIALLY ACROSS INTERSTATE 80 OVER THE SUMMIT BETWEEN CHEYENNE AND LARAMIE. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ RUBIN
5 follow-up statements
000 WWUS45 KCYS 252116 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 216 PM MST FRI DEC 25 2009 ...STUBBORN WINTER STORM SYSTEM EXPECTED TO IMPACT PORTIONS OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THROUGH THE HOLIDAY WEEKEND... .THE STRONG HOLIDAY STORM SYSTEM ACROSS THE CENTRAL UNITED STATES WILL CONTINUE TO IMPACT WYOMING AND THE NEBRASKA PANHANDLE THROUGH THE EARLY PORTION OF THE WEEKEND. VERY STRONG NORTHWEST WINDS WILL CONTINUE ALONG WITH PERIODS OF SNOW...RESULTING IN AREAS OF BLOWING SNOW ACROSS THE REGION INTO SATURDAY AFTERNOON. NEZ002-095-WYZ102-261315- /O.EXT.KCYS.WS.W.0012.000000T0000Z-091226T1900Z/ /O.CON.KCYS.BZ.W.0005.000000T0000Z-091226T0200Z/ DAWES-NORTH SIOUX-NIOBRARA COUNTY- INCLUDING THE CITIES OF...CHADRON...HARRISON...LUSK 216 PM MST FRI DEC 25 2009 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... ...WINTER STORM WARNING NOW IN EFFECT FROM 7 PM THIS EVENING TO NOON MST SATURDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM 7 PM THIS EVENING TO NOON MST SATURDAY. A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...WIDESPREAD LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE GREATEST ALONG THE PINE RIDGE WHERE 5 TO 10 INCHES WILL BE POSSIBLE BY EARLY SATURDAY. ELSEWHERE...4 TO 8 INCHES OF NEW SNOW CAN BE EXPECTED. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL CONTINUE TODAY WITH WINDS SLOWLY DECREASING TONIGHT AND SATURDAY MORNING. THE STRONG WINDS WILL PRODUCE WIND CHILL TEMPERATURES OF 15 BELOW TO 25 BELOW ZERO AND BLIZZARD CONDITIONS THROUGH EARLY THIS EVENING. VISIBILITIES WILL BE NEAR ZERO AT TIMES IN BLOWING AND DRIFTING SNOW. * IMPACTS...THE VERY COLD WIND CHILLS WILL CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. THE BLOWING SNOW WILL BE A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING 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. 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. && $$ NEZ003-019>021-054-055-096-WYZ108-261315- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1900Z/ BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- SOUTH SIOUX-GOSHEN COUNTY- INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING... HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE... TORRINGTON 216 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW AND BLOWING SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE GREATEST ALONG THE PINE RIDGE WHERE 4 TO 7 INCHES WILL BE POSSIBLE BY EARLY SATURDAY. ELSEWHERE...2 TO 5 INCHES OF NEW SNOW CAN BE EXPECTED. * WINDS/VISIBILITIES...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL OCCUR TODAY WITH WINDS DECREASING SLOWLY TONIGHT AND THEN PICKING UP AGAIN SATURDAY MORNING. WIND CHILL TEMPERATURES WILL RANGE FROM 10 BELOW TO 20 BELOW ZERO. EXPECT WIDESPREAD BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW ONE HALF MILE AT TIMES. * IMPACTS...THE VERY COLD WIND CHILLS WILL CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. THE BLOWING SNOW WILL BE A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ112-114-261200- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 216 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...SNOW WILL CONTINUE OVER THE SIERRA MADRE AND SNOWY RANGES TODAY AND TONIGHT. SNOW WILL CONTINUE TO BE PRESENT SATURDAY...BUT SNOWFALL RATES ARE EXPECTED TO DECREASE LATE TONIGHT SO SIGNIFICANT ACCUMULATIONS WILL DIMINISH BY EARLY SATURDAY. * TOTAL SNOW ACCUMULATIONS...6 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE BY EARLY SATURDAY MORNING ALONG NORTH FACING SLOPES. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS 25 TO 35 MPH WITH GUSTS UP TO 50 MPH INTO TONIGHT. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THOSE RECREATING IN THE HIGHER TERRAIN AREAS OF THE SIERRA MADRE AND SNOWY RANGES SHOULD BE PREPARED FOR HAZARDOUS CONDITIONS WITH PERIODS OF NEAR ZERO VISIBILITIES...STRONG WINDS AND VERY COLD TEMPERATURES. ROADWAYS WILL LIKELY BECOME SNOWPACKED AND SLIPPERY CREATING ADDITIONAL TRAVEL HAZARDS. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ101-103-106-107-116>119-261200- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX... GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 216 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE TODAY AND TONIGHT...ESPECIALLY NORTH OF CHEYENNE. WINDS WILL REMAIN STRONG THROUGH THE DAY AND INTO TONIGHT. * TOTAL SNOW ACCUMULATIONS...2 TO 6 INCHES OF NEW SNOWFALL CAN BE EXPECTED WITH THE HIGHEST AMOUNTS OVER CONVERSE COUNTY...6 TO 12 INCHES OF NEW SNOW IS EXPECTED ACROSS THE HIGHER TERRAIN OF THE LARAMIE RANGE. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS REACHING 25 TO 40 MPH WITH GUSTS TO 55 MPH TODAY WITH WIND SPEEDS DECREASING SLOWLY TONIGHT. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THE BLOWING SNOW WILL QUICKLY BECOME A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT...ESPECIALLY ACROSS INTERSTATE 80 OVER THE SUMMIT BETWEEN CHEYENNE AND LARAMIE. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ RUBIN
000 WWUS45 KCYS 252235 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 335 PM MST FRI DEC 25 2009 ...STUBBORN WINTER STORM SYSTEM EXPECTED TO IMPACT PORTIONS OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THROUGH THE HOLIDAY WEEKEND... .THE STRONG HOLIDAY STORM SYSTEM ACROSS THE CENTRAL UNITED STATES WILL CONTINUE TO IMPACT WYOMING AND THE NEBRASKA PANHANDLE THROUGH THE EARLY PORTION OF THE WEEKEND. VERY STRONG NORTHWEST WINDS WILL CONTINUE ALONG WITH PERIODS OF SNOW...RESULTING IN AREAS OF BLOWING SNOW ACROSS THE REGION INTO SATURDAY AFTERNOON. NEZ002-095-WYZ102-261300- /O.EXT.KCYS.WS.W.0012.000000T0000Z-091226T1900Z/ /O.CON.KCYS.BZ.W.0005.000000T0000Z-091226T0200Z/ DAWES-NORTH SIOUX-NIOBRARA COUNTY- INCLUDING THE CITIES OF...CHADRON...HARRISON...LUSK 335 PM MST FRI DEC 25 2009 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... ...WINTER STORM WARNING NOW IN EFFECT FROM 7 PM THIS EVENING TO NOON MST SATURDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM 7 PM THIS EVENING TO NOON MST SATURDAY. A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...WIDESPREAD LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE GREATEST ALONG THE PINE RIDGE WHERE 5 TO 10 INCHES WILL BE POSSIBLE BY EARLY SATURDAY. ELSEWHERE...4 TO 8 INCHES OF NEW SNOW CAN BE EXPECTED. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL CONTINUE TODAY WITH WINDS SLOWLY DECREASING TONIGHT AND SATURDAY MORNING. THE STRONG WINDS WILL PRODUCE WIND CHILL TEMPERATURES OF 15 BELOW TO 25 BELOW ZERO AND BLIZZARD CONDITIONS THROUGH EARLY THIS EVENING. VISIBILITIES WILL BE NEAR ZERO AT TIMES IN BLOWING AND DRIFTING SNOW. * IMPACTS...THE VERY COLD WIND CHILLS WILL CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. THE BLOWING SNOW WILL BE A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING 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. 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. && $$ WYZ115-261200- /O.EXA.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ LARAMIE VALLEY- INCLUDING THE CITY OF...LARAMIE 335 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE TONIGHT. WINDS WILL DECREASE OVERNIGHT TONIGHT. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOWFALL AMOUNTS OF 1 TO 3 INCHES WILL OCCUR TONIGHT. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS REACHING 25 TO 40 MPH WITH GUSTS TO 50 MPH THROUGH SUNSET WITH WIND SPEEDS DECREASING SLOWLY TONIGHT. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THE BLOWING SNOW WILL QUICKLY BECOME A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT...ESPECIALLY ACROSS INTERSTATE 80 OVER THE SUMMIT BETWEEN CHEYENNE AND LARAMIE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ NEZ003-019>021-054-055-096-WYZ108-261300- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1900Z/ BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- SOUTH SIOUX-GOSHEN COUNTY- INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING... HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE... TORRINGTON 335 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW AND BLOWING SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS WILL BE GREATEST ALONG THE PINE RIDGE WHERE 4 TO 7 INCHES WILL BE POSSIBLE BY EARLY SATURDAY. ELSEWHERE...2 TO 5 INCHES OF NEW SNOW CAN BE EXPECTED. * WINDS/VISIBILITIES...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL OCCUR TODAY WITH WINDS DECREASING SLOWLY TONIGHT AND THEN PICKING UP AGAIN SATURDAY MORNING. WIND CHILL TEMPERATURES WILL RANGE FROM 10 BELOW TO 20 BELOW ZERO. EXPECT WIDESPREAD BLOWING AND DRIFTING SNOW WITH VISIBILITIES BELOW ONE HALF MILE AT TIMES. * IMPACTS...THE VERY COLD WIND CHILLS WILL CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. THE BLOWING SNOW WILL BE A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ112-114-261200- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 335 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...SNOW WILL CONTINUE OVER THE SIERRA MADRE AND SNOWY RANGES TODAY AND TONIGHT. SNOW WILL CONTINUE TO BE PRESENT SATURDAY...BUT SNOWFALL RATES ARE EXPECTED TO DECREASE LATE TONIGHT SO SIGNIFICANT ACCUMULATIONS WILL DIMINISH BY EARLY SATURDAY. * TOTAL SNOW ACCUMULATIONS...6 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE BY EARLY SATURDAY MORNING ALONG NORTH FACING SLOPES. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS 25 TO 35 MPH WITH GUSTS UP TO 50 MPH INTO TONIGHT. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THOSE RECREATING IN THE HIGHER TERRAIN AREAS OF THE SIERRA MADRE AND SNOWY RANGES SHOULD BE PREPARED FOR HAZARDOUS CONDITIONS WITH PERIODS OF NEAR ZERO VISIBILITIES...STRONG WINDS AND VERY COLD TEMPERATURES. ROADWAYS WILL LIKELY BECOME SNOWPACKED AND SLIPPERY CREATING ADDITIONAL TRAVEL HAZARDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ101-103-106-107-116>119-261200- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX... GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...VEDAUWOO...BUFORD... PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER...CHEYENNE... BURNS...CARPENTER...ALBIN...PINE BLUFFS 335 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE TODAY AND TONIGHT...ESPECIALLY NORTH OF CHEYENNE. WINDS WILL REMAIN STRONG THROUGH THE DAY AND INTO TONIGHT. * TOTAL SNOW ACCUMULATIONS...2 TO 6 INCHES OF NEW SNOWFALL CAN BE EXPECTED WITH THE HIGHEST AMOUNTS OVER CONVERSE COUNTY...6 TO 12 INCHES OF NEW SNOW IS EXPECTED ACROSS THE HIGHER TERRAIN OF THE LARAMIE RANGE. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS REACHING 25 TO 40 MPH WITH GUSTS TO 55 MPH TODAY WITH WIND SPEEDS DECREASING SLOWLY TONIGHT. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THE BLOWING SNOW WILL QUICKLY BECOME A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT...ESPECIALLY ACROSS INTERSTATE 80 OVER THE SUMMIT BETWEEN CHEYENNE AND LARAMIE. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ RUBIN
000 WWUS45 KCYS 260153 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 653 PM MST FRI DEC 25 2009 ...STUBBORN WINTER STORM SYSTEM EXPECTED TO IMPACT PORTIONS OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THROUGH THE HOLIDAY WEEKEND... .THE STRONG HOLIDAY STORM SYSTEM ACROSS THE CENTRAL UNITED STATES WILL CONTINUE TO IMPACT WYOMING AND THE NEBRASKA PANHANDLE THROUGH THE EARLY PORTION OF THE WEEKEND. VERY STRONG NORTHWEST WINDS WILL CONTINUE ALONG WITH PERIODS OF SNOW...RESULTING IN AREAS OF BLOWING SNOW ACROSS THE REGION INTO SATURDAY AFTERNOON. NEZ002-095-WYZ102-261300- /O.EXT.KCYS.BZ.W.0005.000000T0000Z-091226T0700Z/ /O.EXT.KCYS.WS.W.0012.000000T0000Z-091226T1900Z/ DAWES-NORTH SIOUX-NIOBRARA COUNTY- INCLUDING THE CITIES OF...CHADRON...HARRISON...LUSK 653 PM MST FRI DEC 25 2009 ...BLIZZARD WARNING NOW IN EFFECT UNTIL MIDNIGHT MST TONIGHT... ...WINTER STORM WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST SATURDAY... THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MST TONIGHT. THE WINTER STORM WARNING IS NOW IN EFFECT FROM MIDNIGHT TONIGHT TO NOON MST SATURDAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...WIDESPREAD LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...3 TO 5 INCHES OF ADDITIONAL SNOW WILL BE POSSIBLE BY EARLY SATURDAY. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL CONTINUE THIS EVENING DAY WITH WINDS SLOWLY DECREASING AFTER MIDNIGHT TONIGHT AND SATURDAY MORNING. THE STRONG WINDS WILL PRODUCE WIND CHILL TEMPERATURES OF 15 BELOW TO 25 BELOW ZERO AND BLIZZARD CONDITIONS THROUGH EARLY THIS EVENING. VISIBILITIES FROM AROUND 100 TO 300 FEET HAVE BEEN REPORTED ACROSS THE AREA AT TIMES IN BLOWING AND DRIFTING SNOW. * IMPACTS...VERY DANGEROUS CONDITIONS WILL MEET THOSE VENTURING OUT OF SHELTER THIS EVENING AND ANY TRAVEL IS DISCOURAGED. THE NEAR ZERO VISIBILITIES WILL MAKE ANY OUTDOOR ACTIVITY IMPOSSIBLE THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE 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. && $$ NEZ003-019>021-054-055-096-WYZ108-261300- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1900Z/ BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- SOUTH SIOUX-GOSHEN COUNTY- INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING... HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE... TORRINGTON 653 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW AND BLOWING SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...1 TO 3 INCHES OF NEW SNOW CAN BE EXPECTED TONIGHT AND EARLY SATURDAY. * WINDS/VISIBILITIES...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL OCCUR TONIGHT AND EARLY SATURDAY WITH WINDS DECREASING SLOWLY SATURDAY AFTERNOON. EXPECT WIDESPREAD BLOWING AND DRIFTING SNOW WITH VISIBILITIES OF ONE HALF MILE OR LESS...AND LOCALLY BRIEF PERIODS OF NEAR ZERO VISIBILITY. WIND CHILL TEMPERATURES WILL ALSO RANGE FROM 10 BELOW TO 20 BELOW ZERO TONIGHT. * IMPACTS...THE BLOWING SNOW WILL BE A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO ONE HALF MILE OR LESS AND LOCALLY TO NEAR ZERO TONIGHT. THE ADDITIONAL SNOWFALL WILL ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT...THE VERY COLD WIND CHILLS WILL ALSO CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ112-114-261200- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 653 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...SNOW WILL CONTINUE OVER THE SIERRA MADRE AND SNOWY RANGES TODAY AND TONIGHT. SNOW WILL CONTINUE TO BE PRESENT SATURDAY...BUT SNOWFALL RATES ARE EXPECTED TO DECREASE LATE TONIGHT SO SIGNIFICANT ACCUMULATIONS WILL DIMINISH BY EARLY SATURDAY. * TOTAL SNOW ACCUMULATIONS...6 TO 8 INCHES WITH LOCALLY HIGHER AMOUNTS POSSIBLE BY EARLY SATURDAY MORNING ALONG NORTH FACING SLOPES. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS 25 TO 35 MPH WITH GUSTS UP TO 50 MPH INTO TONIGHT. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THOSE RECREATING IN THE HIGHER TERRAIN AREAS OF THE SIERRA MADRE AND SNOWY RANGES SHOULD BE PREPARED FOR HAZARDOUS CONDITIONS WITH PERIODS OF NEAR ZERO VISIBILITIES...STRONG WINDS AND VERY COLD TEMPERATURES. ROADWAYS WILL LIKELY BECOME SNOWPACKED AND SLIPPERY CREATING ADDITIONAL TRAVEL HAZARDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ101-103-106-107-115>119-261200- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX... GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...LARAMIE...VEDAUWOO... BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER... CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 653 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE TODAY AND TONIGHT...ESPECIALLY NORTH OF CHEYENNE. WINDS WILL REMAIN STRONG THROUGH THE DAY AND INTO TONIGHT. * TOTAL SNOW ACCUMULATIONS...1 TO 3 INCHES OF ADDITIONAL SNOWFALL CAN BE EXPECTED THROUGH EARLY SATURDAY...WITH HIGHER AMOUNTS OF 3 TO 6 INCHES IN THE HIGHER TERRAIN OF THE NORTH LARAMIE RANGE. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS REACHING 25 TO 40 MPH WITH GUSTS TO 55 MPH TONIGHT WITH WIND SPEEDS DECREASING SLOWLY SATURDAY MORNING. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THE BLOWING SNOW WILL QUICKLY BECOME A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS THROUGH TONIGHT...ESPECIALLY ACROSS INTERSTATE 80 OVER THE SUMMIT BETWEEN CHEYENNE AND LARAMIE. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ CARPENTER
000 WWUS45 KCYS 260649 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1149 PM MST FRI DEC 25 2009 ...STUBBORN WINTER STORM SYSTEM EXPECTED TO IMPACT PORTIONS OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THROUGH THE HOLIDAY WEEKEND... .THE STRONG HOLIDAY STORM SYSTEM ACROSS THE CENTRAL UNITED STATES WILL CONTINUE TO IMPACT WYOMING AND THE NEBRASKA PANHANDLE THROUGH THE EARLY PORTION OF THE WEEKEND. VERY STRONG NORTHWEST WINDS WILL CONTINUE ALONG WITH PERIODS OF SNOW...RESULTING IN AREAS OF BLOWING SNOW ACROSS THE REGION INTO SATURDAY AFTERNOON. NEZ002-095-WYZ102-261500- /O.EXT.KCYS.BZ.W.0005.000000T0000Z-091226T1200Z/ /O.EXT.KCYS.WS.W.0012.000000T0000Z-091226T1900Z/ DAWES-NORTH SIOUX-NIOBRARA COUNTY- INCLUDING THE CITIES OF...CHADRON...HARRISON...LUSK 1149 PM MST FRI DEC 25 2009 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 5 AM MST SATURDAY... ...WINTER STORM WARNING NOW IN EFFECT FROM 5 AM TO NOON MST SATURDAY... THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 5 AM MST SATURDAY. THE WINTER STORM WARNING IS NOW IN EFFECT FROM 5 AM TO NOON MST SATURDAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...WIDESPREAD LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...1 TO 3 INCHES OF ADDITIONAL SNOW WILL BE POSSIBLE BY MIDDAY SATURDAY. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL CONTINUE THROUGH AROUND 3 AM MST BEFORE SLOWLY DECREASING EARLY SATURDAY MORNING. THE STRONG WINDS WILL PRODUCE WIND CHILL TEMPERATURES OF 5 BELOW TO 15 BELOW ZERO AND BLIZZARD CONDITIONS THROUGH EARLY THIS EVENING. VISIBILITIES FROM AROUND 100 TO 300 FEET HAVE BEEN REPORTED ACROSS THE AREA AT TIMES IN BLOWING AND DRIFTING SNOW. * IMPACTS...VERY DANGEROUS CONDITIONS WILL MEET THOSE VENTURING OUT OF SHELTER THIS EVENING AND ANY TRAVEL IS DISCOURAGED. THE NEAR ZERO VISIBILITIES WILL MAKE ANY OUTDOOR ACTIVITY IMPOSSIBLE THROUGH THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE 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. && $$ NEZ003-019>021-054-055-096-WYZ108-261500- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1900Z/ BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- SOUTH SIOUX-GOSHEN COUNTY- INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING... HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE... TORRINGTON 1149 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST SATURDAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. * TIMING...SNOW AND BLOWING SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...1 TO 2 INCHES OF NEW SNOW CAN BE EXPECTED OVERNIGHT AND EARLY SATURDAY. * WINDS/VISIBILITIES...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL OCCUR TONIGHT AND EARLY SATURDAY WITH WINDS DECREASING SLOWLY SATURDAY AFTERNOON. EXPECT WIDESPREAD BLOWING AND DRIFTING SNOW WITH VISIBILITIES OF ONE HALF MILE OR LESS...AND LOCALLY BRIEF PERIODS OF NEAR ZERO VISIBILITY. WIND CHILL TEMPERATURES WILL ALSO RANGE FROM 5 BELOW TO 15 BELOW ZERO TONIGHT. * IMPACTS...THE BLOWING SNOW WILL BE A HAZARD TONIGHT RESULTING IN REDUCED VISIBILITIES TO ONE HALF MILE OR LESS AND LOCALLY TO NEAR ZERO. THE ADDITIONAL SNOWFALL WILL ADD TO THE HAZARDOUS TRAVEL CONDITIONS OVERNIGHT...AND THE VERY COLD WIND CHILLS WILL ALSO CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ112-114-261200- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 1149 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...SNOW WILL CONTINUE OVER THE SIERRA MADRE AND SNOWY RANGES OVERNIGHT. SNOW WILL CONTINUE TO BE PRESENT SATURDAY...BUT SNOWFALL RATES ARE EXPECTED TO DECREASE LATE TONIGHT SO SIGNIFICANT ACCUMULATIONS WILL DIMINISH BY EARLY SATURDAY. * TOTAL SNOW ACCUMULATIONS...3 TO 5 INCHES OF ADDITIONAL SNOWFALL WITH LOCALLY HIGHER AMOUNTS POSSIBLE BY EARLY SATURDAY MORNING ALONG NORTH FACING SLOPES. * WINDS/VISIBILITIES...STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS 20 TO 30 MPH WITH GUSTS UP TO 40 MPH INTO TONIGHT. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THOSE RECREATING IN THE HIGHER TERRAIN AREAS OF THE SIERRA MADRE AND SNOWY RANGES SHOULD BE PREPARED FOR HAZARDOUS CONDITIONS WITH PERIODS OF NEAR ZERO VISIBILITIES...STRONG WINDS AND VERY COLD TEMPERATURES. ROADWAYS WILL LIKELY BECOME SNOWPACKED AND SLIPPERY CREATING ADDITIONAL TRAVEL HAZARDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ WYZ101-103-106-107-115>119-261200- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX... GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...LARAMIE...VEDAUWOO... BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER... CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 1149 PM MST FRI DEC 25 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST SATURDAY. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE TODAY AND TONIGHT...ESPECIALLY NORTH OF CHEYENNE. WINDS WILL REMAIN STRONG THROUGH THE OVERNIGHT HOURS. * TOTAL SNOW ACCUMULATIONS...1 TO 2 INCHES OF ADDITIONAL SNOWFALL CAN BE EXPECTED THROUGH EARLY SATURDAY...WITH HIGHER AMOUNTS OF 2 TO 4 ADDITIONAL INCHES IN THE HIGHER TERRAIN OF THE NORTH LARAMIE RANGE. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS REACHING 25 TO 40 MPH WITH GUSTS TO 55 MPH TONIGHT WITH WIND SPEEDS DECREASING SLOWLY SATURDAY MORNING. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE-HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THE BLOWING SNOW WILL CONTINUE TO BE A HAZARD TONIGHT RESULTING IN REDUCED VISIBILITIES TO BELOW ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ALSO ADD TO THE HAZARDOUS TRAVEL CONDITIONS OVERNIGHT...ESPECIALLY ACROSS INTERSTATE 80 OVER THE SUMMIT BETWEEN CHEYENNE AND LARAMIE. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ CARPENTER
000 WWUS45 KCYS 261150 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 450 AM MST SAT DEC 26 2009 ...WINTER STORM SYSTEM CONTINUES TO IMPACT PORTIONS OF SOUTHEAST WYOMING AND THE WESTERN NEBRASKA PANHANDLE THROUGH NOON TODAY... .THE STRONG HOLIDAY STORM SYSTEM ACROSS THE CENTRAL UNITED STATES WILL CONTINUE TO IMPACT WYOMING AND THE NEBRASKA PANHANDLE THROUGH THE EARLY PORTION THIS AFTERNOON. VERY STRONG NORTHWEST WINDS WILL CONTINUE ALONG WITH PERIODS OF SNOW...RESULTING IN AREAS OF BLOWING SNOW ACROSS THE REGION THIS AFTERNOON. NEZ002-095-WYZ102-261900- /O.EXP.KCYS.BZ.W.0005.000000T0000Z-091226T1200Z/ /O.EXT.KCYS.WS.W.0012.000000T0000Z-091226T1900Z/ DAWES-NORTH SIOUX-NIOBRARA COUNTY- INCLUDING THE CITIES OF...CHADRON...HARRISON...LUSK 450 AM MST SAT DEC 26 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL NOON MST TODAY... ...BLIZZARD WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING... THE BLIZZARD WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING. THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL NOON MST TODAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND STRONG WINDS. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...WIDESPREAD LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH SATURDAY MORNING. * TOTAL SNOW ACCUMULATIONS...1 TO 3 INCHES OF ADDITIONAL SNOW WILL BE POSSIBLE BY SATURDAY. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH WILL CONTINUE THROUGH THE EARLY MORNING BEFORE SLOWLY DECREASING THIS AFTERNOON. THE STRONG WINDS WILL PRODUCE WIND CHILL TEMPERATURES OF 5 BELOW TO 15 BELOW ZERO. WIDESPREAD VISIBILITIES OF ONE HALF MILE TO 2 MILES CAN BE EXPECTED WITH BLOWING AND DRIFTING SNOW. LOCALIZED VISIBILITIES OF A QUARTER OF A MILE TO A MILE CAN BE EXPECTED BRIEFLY. * IMPACTS...VERY DANGEROUS CONDITIONS WILL MEET THOSE VENTURING OUT OF SHELTER TODAY AND ANY TRAVEL IS DISCOURAGED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. ADDITIONAL 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. && $$ WYZ112-114-261300- /O.EXP.KCYS.WW.Y.0036.000000T0000Z-091226T1200Z/ SIERRA MADRE RANGE-SNOWY RANGE- INCLUDING THE CITIES OF...CENTENNIAL...ALBANY...WOODS LANDING 450 AM MST SAT DEC 26 2009 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 AM MST EARLY THIS MORNING... THE WINTER WEATHER ADVISORY WILL EXPIRE AT 5 AM MST EARLY THIS MORNING. SNOW WILL CONTINUE TO TAPER OFF TO SNOW FLURRIES EARLY THIS MORNING. NORTHWEST WINDS BETWEEN 15 TO 20 MPH AND GUSTS UP TO 30 MPH WILL CONTINUE OVER THE SIERRA MADRE AND MEDICINE BOW MOUNTAINS AND DECREASE LATE THIS MORNING. $$ WYZ101-103-106-107-115>119-261900- /O.EXT.KCYS.WW.Y.0036.000000T0000Z-091226T1900Z/ CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-LARAMIE VALLEY-SOUTH LARAMIE RANGE- SOUTH LARAMIE RANGE FOOTHILLS-CENTRAL LARAMIE COUNTY- EAST LARAMIE COUNTY- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...BORDEAUX... GLENDO...WHEATLAND...CHUGWATER...GUERNSEY...LARAMIE...VEDAUWOO... BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN...WHITAKER... CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 450 AM MST SAT DEC 26 2009 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL NOON MST TODAY... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL NOON MST TODAY. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE THIS AFTERNOON...ESPECIALLY NORTH OF CHEYENNE. WINDS WILL REMAIN STRONG THROUGH THE EARLY MORNING AND DECREASE THROUGH MID DAY. * TOTAL SNOW ACCUMULATIONS...UP TO 2 INCHES OF ADDITIONAL SNOWFALL CAN BE EXPECTED THROUGH SATURDAY...WITH HIGHER AMOUNTS OF 2 TO 3 ADDITIONAL INCHES IN THE HIGHER TERRAIN OF THE NORTH LARAMIE RANGE. * WINDS/VISIBILITIES...VERY STRONG NORTHWEST WINDS WILL CONTINUE WITH SPEEDS REACHING 25 TO 40 MPH WITH GUSTS TO 55 MPH CAN BE EXPECTED THIS MORNING AND DECREASE THROUGH MID DAY. THE STRONG WINDS WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW REDUCING VISIBILITIES TO LESS THAN ONE HALF MILE AND LOCALLY TO NEAR ZERO FOR BRIEF PERIODS OF TIME. * IMPACTS...THE BLOWING SNOW WILL CONTINUE TO CAUSE HAZARDOUS TRAVEL CONDITIONS...ESPECIALLY ACROSS INTERSTATE 80 OVER THE SUMMIT BETWEEN CHEYENNE AND LARAMIE. THE VERY COLD WIND CHILLS WILL ALSO CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$ NEZ003-019>021-054-055-096-WYZ108-261900- /O.CON.KCYS.WW.Y.0036.000000T0000Z-091226T1900Z/ BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- SOUTH SIOUX-GOSHEN COUNTY- INCLUDING THE CITIES OF...ALLIANCE...SCOTTSBLUFF...GERING... HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY...AGATE... TORRINGTON 450 AM MST SAT DEC 26 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY. THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL NOON MST SATURDAY. * TIMING...SNOW AND BLOWING SNOW WILL CONTINUE THROUGH THIS AFTERNOON. * TOTAL SNOW ACCUMULATIONS...1 TO 2 INCHES OF NEW SNOW CAN BE EXPECTED TODAY. * WINDS/VISIBILITIES...NORTHWEST WINDS OF 30 TO 45 MPH WITH GUSTS TO 55 MPH THROUGH THIS MORNING WITH WINDS DECREASING SLOWLY SATURDAY AFTERNOON. EXPECT WIDESPREAD BLOWING AND DRIFTING SNOW WITH VISIBILITIES OF ONE HALF MILE TO 2 MILES. WIND CHILL TEMPERATURES WILL ALSO RANGE FROM 5 BELOW TO 15 BELOW ZERO EARLY THIS MORNING. * IMPACTS...THE BLOWING SNOW WILL BE A HAZARD TODAY RESULTING IN REDUCED VISIBILITIES TO ONE HALF MILE. THE ADDITIONAL SNOWFALL WILL ADD TO THE HAZARDOUS TRAVEL CONDITIONS TODAY...AND THE VERY COLD WIND CHILLS WILL ALSO CREATE HAZARDOUS CONDITIONS FOR THOSE SPENDING TIME OUTDOORS. 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 OVER THIS HOLIDAY PERIOD ...ESPECIALLY IN OPEN AREAS WHERE VISIBILITIES MAY BE REDUCED TO NEAR ZERO FOR BRIEF PERIODS OF TIME. && $$
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 Dec 25, 1:10 PM MST, 3 minutes earlier.
Area forecast discussion, Dec 25, 1:10 PM MST, 3 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
110 PM MST FRI DEC 25 2009
.UPDATE...BASED ON CALLS TO LUSK AND CHADRON...OUR TEAM HAS UPGRADED
THE WINTER STORM WARNING TO A BLIZZARD WARNING THROUGH 700 PM THIS
EVENING FOR NIOBRARA...NORTHERN SIOUX AND DAWES COUNTIES. RUBIN
&&
.PREV DISCUSSION... /ISSUED 1039 AM MST FRI DEC 25 2009/
UPDATE...GRIDDED FORECASTS...ADVISORIES AND WINTER STORM WARNING
IN DECENT SHAPE. MADE MODIFICATIONS TO TEMPERATURES...
DEWPOINTS...WIND SPEEDS AND SNOW COVERAGE FOR CHRISTMAS DAY BASED
ON TRENDS AND LATEST MODEL GUIDANCE AND PROGNOSIS. RUBIN
PREV DISCUSSION... /ISSUED 342 AM MST FRI DEC 25 2009/
SHORT TERM...TODAY THROUGH SATURDAY NIGHT...COMPLICATED WEATHER
SITUATION CURRENTLY DEVELOPING OVER THE REGION AND GREAT PLAINS THIS
MORNING...WITH STRONG WINDS...BLOWING SNOW...ACCUMULATING SNOW AND
LOW WIND CHILLS EXPECTED INTO THIS WEEKEND. CURRENT IR SATELLITE
LOOP SHOWS CLOUD TOP ENHANCEMENT DEVELOPING OVER WRN NEBRASKA AND
SOUTHEAST WYOMING AS THE UPPER LEVEL ARCTIC LOW DIVES SOUTH INTO
THE GREAT PLAINS THIS MORNING. THIS LOW WILL MERGE WITH THE UPPER
LEVEL LOW CURRENTLY EJECTING NORTH OVER THE MISSISSIPPI VALLEY...ALONG
WITH A STRONG 988 MB SURFACE LOW. AS THE ARCTIC LOW DIGS SOUTH AND
EAST...MODELS CONTINUE TO SHOW THE STRONG SURFACE LOW RETROGRADE
WESTWARD INTO ERN NEBRASKA AND IOWA AND SNOW DEVELOPING OVER THE
NRN PLAINS...INTO WRN NEBRASKA AND MOST OF SOUTHEAST WYOMING
STARTING THIS MORNING...AND CONTINUING INTO SATURDAY.
WIND...MODELS HAVE CONTINUED TO SHOW STRONG 700MB WINDS IN EXCESS
OF 60 KTS WITH 850 MB WINDS NEAR 40 KTS TODAY IN ADDITION TO THE
STRONG SURFACE PRESSURE GRADIENT BETWEEN THE ARCTIC HIGH IN
MONTANA AND WRN WYOMING AND THE DEEP LOW ACROSS THE GREAT PLAINS.
WINDS HAVE ALREADY INCREASED ACROSS MOST AREAS WITH SUSTAINED
WINDS BETWEEN 20 TO 35 MPH AND GUSTS AS HIGH AS 50 MPH ALREADY.
EXPECT WINDS BETWEEN 25 TO 40 MPH WITH GUSTS UP TO 60 MPH TODAY.
HOWEVER...SINCE BLOWING SNOW...SNOW...AND REDUCED VISIBILITIES
ARE THE PRIMARY TRAVEL CONCERN...DECIDED TO CANCEL THE WIND
ADVISORY OVER THE PANHANDLE OF NEBRASKA...AND ADD THE STRONG WIND
WORDING TO THE WINTER WEATHER ADVISORY.
WIND CHILL...WILL CONTINUE THE WIND CHILL ADV THIS MORNING SINCE
OBS SHOW WIND CHILLS BETWEEN -20 TO -30 DEGREES. WILL ADD THE
WORDING ONCE THE WINTER WEATHER ADVISORY AND WINTER STORM WARNING GO
INTO EFFECT.
SNOW ACCUMULATIONS...MODELS CONTINUE TO SHOW GOOD ISENTROPIC LIFT
OVER WRN NEBRASKA AND SOUTHEAST WYOMING IN NORTH TO NORTHEAST FLOW
IN THE MIDLEVELS. GOOD UPSLOPE FLOW ALSO ALONG THE PINE RIDGE FROM
DOUGLAS TO CHADRON...NRN LARAMIE RANGE...AND THE CHEYENNE RIDGE
TODAY AND TONIGHT. MODELS INDICATE DECENT OMEGA VALUES AROUND 10
MICROBARS ALONG THE NORTH FACE OF THESE LOCATIONS WITH NEARLY A
HALF AN INCH OF QPF ALONG THE PINE RIDGE...THE NRN LARAMIE
RANGE...AND THE CHEYENNE RIDGE BETWEEN SCOTTSBLUFF AND CHEYENNE.
EXPECT 1 TO 3 INCHES OF SNOW ALONG I80 FROM SIDNEY TO
RAWLINS...WITH LOCALLY HIGHER ACCUMULATIONS ACROSS THE HIGHER
ELEVATIONS OF THE SRN LARAMIE RANGE AND NEAR THE SNOWY RANGE.
EXPECT 2 TO 5 INCHES IN THE NORTH PLATTE RIVER VALLEY WITH LOCALLY
HIGHER AMOUNTS NEAR 7 INCHES JUST SOUTH OF TORRINGTON AND
SCOTTSBLUFF. THE JACKPOT IS EXPECTED TO BE THE PINE RIDGE OF NRN
NEBRASKA PANHANDLE WESTWARD INTO NIOBRARA COUNTY...AND THE NRN
LARAMIE RANGE WITH FAVORABLE UPSLOPE FLOW. EXPECT 5 TO 10 INCHES
OF SNOW ACROSS DAWES...SIOUX...NIOBRARA COUNTIES WITH SNOW
ACCUMULATIONS AROUND A FOOT ACROSS THE NRN LARAMIE RANGE IN
CONVERSE COUNTY. THEREFORE...UPGRADED THE WINTER STORM WATCH TO A
WARNING IN THESE LOCATIONS EXCEPT FOR THE NRN LARAMIE RANGE WHICH
WILL STILL REACH HIGHER ELEVATION ADVISORY CRITERIA. MAY NEED TO
ADD NORTHERN CONVERSE COUNTY AS WELL. KEPT ALL OTHER WINTER
WEATHER ADVISORIES FOR SNOW AND BLOWING SNOW...BUT ADDED THE
SOUTHERN NEBRASKA PANHANDLE AND GOSHEN COUNTY IN WYOMING TO THE
ADVISORY AS WELL. EXPECT HAZARDOUS TRAVEL CONDITIONS...WITH NEAR
BLIZZARD CONDITIONS AT TIMES OVER THE NRN NEBRASKA PANHANDLE. WILL
HAVE TO KEEP A CLOSE EYE ON THIS TODAY.
ACTIVITY EXPECTED TO SLOWLY IMPROVE BY SATURDAY AFTERNOON AND
SATURDAY EVENING...WITH MODELS SHOWING THE SURFACE LOW OVER IOWA
FILLING IN AS THE STORM SYSTEM BECOMES VERTICALLY STACKED.
GRADUALLY LOWERED POP FROM WEST TO EAST BY SATURDAY EVENING WITH
SUBSIDING WINDS AND DECREASED SNOWFALL RATES. HOWEVER...LIGHT SNOW
MAY CONTINUE TO FALL ALONG THE PINE RIDGE THROUGH SATURDAY NIGHT
DUE TO FAVORABLE LLVL NORTHERLY FLOW.
LONG TERM...SUNDAY THROUGH THURSDAY...GFS AND ECMWF ARE SIMILAR
IN THE LONG TERM...BUT LEANED TOWARD THE ECMWF AT THE END OF THE
PERIOD...WHICH HAS CYCLONIC FLOW ALOFT IN RESPONSE TO AN ALBERTA
CLIPPER MOVING ACROSS THE NORTH CENTRAL US. DOWNSLOPE WINDS AND
DRY CONDITIONS WILL OCCUR THROUGH THE EXTENDED PERIOD OUTSIDE OF
THE MOUNTAINS. EAST TO NORTHEAST FLOW WILL BE ALOFT ON SUN WITH AN
UPPER HIGH TO THE NORTH OF THE FORECAST AREA AND THE UPPER LOW
OVER THE GREAT LAKES REGION. THE UPPER HIGH WILL MOVE OVER THE
AREA SUN NIGHT. LOWERED TEMPS SUN NIGHT DUE TO MOSTLY CLEAR
SKIES...LIGHT WINDS AND SURFACE HIGH PRESSURE OVER THE CWA. ON
MON...A WEAK UPPER TROUGH WILL WILL MOVE INTO THE NORTHERN AND
CENTRAL ROCKIES. THE UPPER TROUGH WILL DEEPEN SOMEWHAT MON NIGHT
WITH THE AXIS OVER THE WESTERN PORTION OF THE CWA BY 12Z TUES.
THIS WILL RESULT IN A CHANCE OF SNOW OVER THE MOUNTAINS. THE UPPER
FLOW WILL BECOME NW ON TUES AND WILL CONTINUE THROUGH THURS...AS
THE UPPER TROUGH AXIS MOVES EAST OF THE FORECAST AREA AND AN UPPER
RIDGE BUILDS OFF THE WEST COAST. INTRODUCED A CHANCE OF LIGHT SNOW
ACROSS THE WY PORTION OF THE CWA ON THUR AS A DISTURBANCE IN
CYCLONIC FLOW ALOFT BEGINS TO MOVE ACROSS THE AREA. HIGH
TEMPERATURES WILL BE FROM 5 TO 10 DEGREES BELOW NORMAL SUN THROUGH
WED...AND AROUND NORMAL FOR THUR.
AVIATION...CONDITIONS WILL CONTINUE TO DETERIORATE THIS MORNING
WITH STRONG GUSTY WINDS...SNOW...AND BLOWING SNOW THROUGH THE DAY
RESULTING IN VISIBILITY AROUND 1 MILE AND CIGS BELOW 3K FEET. STRONG
NORTHWEST WINDS BETWEEN 25 TO 40 MPH ARE EXPECTED WITH GUSTS UP TO
60 MPH POSSIBLE. IFR CONDITIONS ARE EXPECTED TO PREVAIL FROM KLAR
EASTWARD INTO THE NEBRASKA PANHANDLE WITH LOW IFR CONDITIONS
PROBABLE AT TIMES. CONDITIONS ARE NOT EXPECTED TO IMPROVE UNTIL
LATE SATURDAY.
FIRE WEATHER...A STRONG WINTER STORM OVER THE GREAT PLAINS WILL
CONTINUE TO IMPACT THE AREA THROUGH EARLY THIS WEEKEND WITH STRONG
WINDS...SNOW AND BLOWING SNOW. DRIER WEATHER IS EXPECTED NEXT WEEK
WITH COLDER THAN NORMAL TEMPERATURES EXPECTED TO CONTINUE. NO
FIRE WEATHER CONCERNS AT THIS TIME.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...BLIZZARD WARNING UNTIL 7 PM FRIDAY FOR WYZ102.
WINTER STORM WARNING FROM 7 PM FRIDAY TO NOON SATURDAY FOR
WYZ102.
WINTER WEATHER ADVISORY UNTIL NOON SATURDAY FOR WYZ108.
WINTER WEATHER ADVISORY UNTIL 5 AM SATURDAY FOR WYZ101-WYZ103-
WYZ106-WYZ107-WYZ112-WYZ114-WYZ116-WYZ117-WYZ118-WYZ119.
NE...BLIZZARD WARNING UNTIL 7 PM FRIDAY FOR NEZ002-NEZ095.
WINTER STORM WARNING FROM 7 PM FRIDAY TO NOON SATURDAY FOR
NEZ002-NEZ095.
WINTER WEATHER ADVISORY UNTIL NOON SATURDAY FOR NEZ003-NEZ019-
NEZ020-NEZ021-NEZ054-NEZ055-NEZ096.
&&
SHORT TERM/AVIATION...TJT
LONG TERM...KMDHazardous weather outlook, Dec 25, 1:05 PM MST, 8 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 105 PM MST FRI DEC 25 2009 NEZ002-095-WYZ102-261230- DAWES-NORTH SIOUX-NIOBRARA COUNTY- 105 PM MST FRI DEC 25 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE AND EAST CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT A BLIZZARD WARNING IS IN EFFECT UNTIL 700 PM THIS EVENING...THEN A WINTER STORM WARNING IS IN EFFECT THE REST OF TONIGHT. TOTAL SNOWFALL AMOUNTS WILL BE FROM 5 TO 10 INCHES ACROSS THE AREA. VERY COLD TEMPERATURES AND WITH WINDS OF 25 TO 40 MPH WILL CREATE WIND CHILLS OF 15 TO 30 BELOW ZERO. VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE AT TIMES IN BLOWING SNOW. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE WINTER STORM WARNING WILL CONTINUE FOR THE AREA UNTIL NOON SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ003-019>021-054-055-096-WYZ108-261230- BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- SOUTH SIOUX-GOSHEN COUNTY- 105 PM MST FRI DEC 25 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE AND EAST CENTRAL WYOMING. .DAY ONE...TODAY AND TONIGHT A WINTER WEATHER ADVISORY IS IN EFFECT TODAY AND TONIGHT. TOTAL SNOWFALL AMOUNTS WILL BE FROM 4 TO 7 INCHES BY LATE TONIGHT. WIND SPEEDS OF 25 TO 40 MPH ALONG WITH VERY COLD TEMPERATURES WILL PRODUCE WIND CHILLS OF 15 TO 30 BELOW ZERO. THE STRONG WINDS WILL ALSO PRODUCE AREAS OF BLOWING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE WINTER WEATHER ADVISORY WILL CONTINUE UNTIL NOON SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE WYZ101-103-106-107-112-114-116>119-261230- CONVERSE COUNTY LOWER ELEVATIONS-NORTH LARAMIE RANGE- CENTRAL LARAMIE RANGE AND SOUTHWEST PLATTE COUNTY- EAST PLATTE COUNTY-SIERRA MADRE RANGE-SNOWY RANGE- SOUTH LARAMIE RANGE-SOUTH LARAMIE RANGE FOOTHILLS- CENTRAL LARAMIE COUNTY-EAST LARAMIE COUNTY- 105 PM MST FRI DEC 25 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EAST CENTRAL WYOMING... SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT A WINTER WEATHER ADVISORY IS IN EFFECT TODAY AND TONIGHT. TOTAL SNOWFALL AMOUNTS WILL BE FROM 3 TO 6 INCHES AT THE LOWER ELEVATIONS...AND FROM 6 TO 8 INCHES IN THE MOUNTAINS. WIND SPEEDS OF 25 TO 40 MPH WITH GUSTS UP TO 55 MPH WILL PRODUCE AREAS OF BLOWING SNOW WHICH WILL REDUCE VISIBILITIES TO LESS THAN A MILE AT TIMES. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE WYZ104-105-109>111-113-115-261230- FERRIS/SEMINOE/SHIRLEY MOUNTAINS-SHIRLEY BASIN- CENTRAL CARBON COUNTY-NORTH SNOWY RANGE FOOTHILLS- SOUTHWEST CARBON COUNTY-UPPER NORTH PLATTE RIVER BASIN- LARAMIE VALLEY- 105 PM MST FRI DEC 25 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTH CENTRAL WYOMING AND SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE
In the hours before
Special weather statement, Dec 25, 11:41 AM MST, 1 hour 32 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 1141 AM MST FRI DEC 25 2009 NEZ002-003-019>021-054-055-095-096-WYZ101>119-260100- DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL-CHEYENNE- NORTH SIOUX-SOUTH SIOUX-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- INCLUDING THE CITIES OF...CHADRON...ALLIANCE...SCOTTSBLUFF... GERING...HARRISBURG...BRIDGEPORT...BAYARD...KIMBALL...SIDNEY... HARRISON...AGATE...DOUGLAS...GLENROCK...LUSK...MUDDY GAP... MEDICINE BOW...BORDEAUX...GLENDO...WHEATLAND...CHUGWATER... GUERNSEY...TORRINGTON...RAWLINS...SINCLAIR...HANNA...ARLINGTON... ELK MOUNTAIN...BAGGS...DIXON...SARATOGA...ENCAMPMENT... RIVERSIDE...CENTENNIAL...ALBANY...WOODS LANDING...LARAMIE... VEDAUWOO...BUFORD...PUMPKIN VINE...HORSE CREEK...HARRIMAN... WHITAKER...CHEYENNE...BURNS...CARPENTER...ALBIN...PINE BLUFFS 1141 AM MST FRI DEC 25 2009 ...VERY COLD DAY FOR CHRISTMAS DAY... CHRISTMAS DAY WILL BE A VERY COLD DAY WITH HIGH TEMPERATURES ONLY IN THE TEENS. LOCATIONS EAST OF A DOUGLAS TO LARAMIE LINE WILL HAVE NORTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS TO 55 MPH. THE STRONG WINDS COMBINED WITH THE COLD TEMPERATURES WILL PRODUCE WIND CHILL TEMPERATURES OF 5 BELOW ZERO TO 20 BELOW ZERO. EXPOSURE TO THE ELEMENTS IN THESE COLD TEMPERATURES AND COLD WIND CHILL TEMPERATURES CAN LEAD TO FROSTBITE AND EVEN DEATH IN A RELATIVELY SHORT PERIOD...IF YOU ARE NOT PROTECTED FROM THE COLD TEMPERATURES. STAY INSIDE IN A WARM SHELTER IF POSSIBLE TODAY. IF YOU MUST GO OUTSIDE...MAKE SURE TO WEAR SEVERAL LAYERS OF WARM CLOTHING. COVER YOUR HEAD WITH A WARM HAT AND YOUR HANDS WITH WARM GLOVES OR MITTENS. MOST BODY HEAT IS LOST THROUGH YOUR HEAD...HANDS AND FEET IF THEY ARE NOT ADEQUATELY PROTECTED FROM THE COLD TEMPERATURES AND COLD WIND CHILLS. IF YOU BECOME STRANDED OUTSIDE IN YOUR VEHICLE...REMAIN IN THE VEHICLE UNTIL HELP ARRIVES. CARRY EXTRA BLANKETS...A CELL PHONE... FOOD AND A FIRST AID KIT IN YOUR VEHICLE. IF YOU ARE STRANDED IN YOUR VEHICLE...KEEP WARM BY STARTING THE VEHICLE EVERY HOUR OR TWO FOR A FEW MINUTES AND MAKE SURE WINDOWS ARE OPEN A CRACK TO AVOID CARBON MONOXIDE FUMES FROM BUILDING UP IN YOUR VEHICLE. MAKE SURE CHILDREN...THE ELDERLY AND PETS ARE ADEQUATELY PROTECTED FROM THE COLD TEMPERATURES AND WIND CHILLS. RUBIN
Local storm report, Dec 25, 12:52 PM MST, 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
1252 PM MST FRI DEC 25 2009
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1244 PM SNOW CHADRON 42.83N 103.00W
12/25/2009 E5.0 INCH DAWES NE LAW ENFORCEMENT
WITHE THE WINDS BLOWING AS THEY ARE...ESTIMATE DEPTH FROM
4 TO 6 INCHES.
1245 PM SNOW LUSK 42.76N 104.45W
12/25/2009 E3.0 INCH NIOBRARA WY LAW ENFORCEMENT
VISIBILITIES DOWN TO 100 YARDS OR LESS FOR MOST OF THE
DAY. HARD TO TELL IF IT IS SNOWING OR JUST BLOWING. SNOW
FALL MODERATE TO HEAVY.
1250 PM SNOW ALLIANCE 42.10N 102.87W
12/25/2009 E4.0 INCH BOX BUTTE NE LAW ENFORCEMENT
VERY STRONG WINDS. HARD TO TELL HOW MUCH SNOW HAS FALLEN.
VISIBILITIES LIMITED.
&&
BCHAPMANThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 25, 4:22 AM MST | Winter Storm Warning | CYS | Dawes, Sioux | 37 hr |
Nearby
Blizzard Warnings in Nebraska, 2009Blizzard Warnings in Wyoming, 2009Every blizzard warning in 2009
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.