Alert archive / Wyoming / Winter Storm Warnings in 2007
Winter Storm Warning 4, NWS Cheyenne, WY
NWS Cheyenne, WY issued this winter storm warning at Mar 28, 2007, 2:13 AM MDT for Crook County, Weston County, Wyoming. It took effect at Mar 28, 2007, 12:00 PM MDT. It was in force for 35 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
- Mar 28, 2007, 2:13 AM MDT (08:13 UTC)
- In effect from
- Mar 28, 2007, 12:00 PM MDT
- Expired
- Mar 29, 2007, 10:53 PM MDT
- In force
- 35 hr
- Issued by
- NWS Cheyenne, WY
Counties Crook County, WY, Weston County, WY
The radar
The Rapid City radar (KUDX), 139 km from the middle of the area, began a volume at 08:16 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 |
|---|---|---|---|
| Mar 29, 1:40 PM MDT | SNOW 1 | Moorcroft, WY | 1/4 MILE VISIBILITY. 25 MPH WINDS. |
| Mar 29, 1:40 PM MDT | SNOW 3 | 1 E Clareton, WY | 100 YARDS VISIBILITY. 20 TO 30 MPH WINDS. |
| Mar 29, 1:40 PM MDT | SNOW 3 | 7 Wnw Clareton, WY | 1/4 MILE VISIBILITY. 30 TO 35 MPH WINDS. |
| Mar 29, 1:40 PM MDT | SNOW 3 | Beulah, WY | 2 MILES VISIBILITY. 10 MPH WINDS. |
| Mar 29, 1:40 PM MDT | SNOW 4 | 3 Ese Aladdin, WY | 1/8 MILE VISIBILITY. 20 MPH WINDS. |
| Mar 29, 1:40 PM MDT | SNOW 4 | Aladdin, WY | SPOTTER REPORTED SNOWFALL AT HER HOME 7 MILES NE OF ALADDIN TO BE 6 INCHES. IN ALADDIN SNOWFALL WAS 4 INCHES. |
| Mar 29, 1:40 PM MDT | SNOW 6 | 19 Sw Upton, WY | 100 YARDS VISIBILITY. 30 TO 35 MPH WINDS. |
| Mar 29, 1:40 PM MDT | SNOW 12 | 9 Ene Devils Tower Junc, WY | 1/2 MILE VISIBILITY. 25 MPH WINDS. |
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 00:00Z, 8.2 hours before the alert went out and 136 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
- 1638 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 109 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 280813 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 213 AM MDT WED MAR 28 2007 ...HEAVY SNOW TO AFFECT PORTIONS OF SOUTHEAST WYOMING TODAY THROUGH THURSDAY... .A STRONG STORM SYSTEM OVER THE GREAT BASIN AREA THIS MORNING WILL MOVE VERY SLOWLY EAST TODAY. THE STORM SYSTEM WILL THEN MOVE NORTHEAST OVER THE NORTHERN HIGH PLAINS FOR THURSDAY. THE TRACK OF THE STORM WILL PLACE SOUTH CENTRAL AND EAST CENTRAL WYOMING IN A FAVORABLE POSITION TO RECEIVE HEAVY SNOW. IT NOW APPEARS THAT ONE TO TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS...WITH UP TO A FOOT IN THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD AND CONVERSE COUNTY BEGINNING THIS AFTERNOON AND CONTINUING FOR THURSDAY. WYZ059-061>066-281815- /O.UPG.KCYS.WS.A.0002.070329T0000Z-070330T0000Z/ /O.NEW.KCYS.WS.W.0004.070328T1800Z-070330T0000Z/ CONVERSE-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...RAWLINS...HANNA... MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 213 AM MDT WED MAR 28 2007 ...WINTER STORM WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THURSDAY... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM MDT THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW WILL BEGIN TO FALL ACROSS THE SNOWY AND LARAMIE RANGES ABOVE 9000 FEET THIS MORNING...AND IT WILL BECOME HEAVY BY NOON. AT THE LOWER ELEVATIONS OF CARBON... ALBANY... AND CONVERSE COUNTIES...RAIN WILL CHANGE TO SNOW BY LATE AFTERNOON AFTER A COLD FRONT MOVES THROUGH THE AREA. THE SNOW IN THE WARNING AREA WILL ACCUMULATE TO NEARLY TWO FEET IN THE HIGHER ELEVATIONS BY THURSDAY EVENING...WITH 4 TO 8 INCHES IN THE LOWER ELEVATIONS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ SOWKO
10 follow-up statements
000 WWUS45 KCYS 281811 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1211 PM MDT WED MAR 28 2007 ...HEAVY SNOW TO AFFECT PORTIONS OF SOUTHEAST WYOMING TODAY THROUGH THURSDAY... .A STRONG STORM SYSTEM OVER THE GREAT BASIN AREA WILL MOVE VERY SLOWLY EAST TODAY. THE STORM SYSTEM WILL THEN MOVE NORTHEAST OVER THE NORTHERN HIGH PLAINS FOR THURSDAY. THE TRACK OF THE STORM WILL PLACE SOUTH CENTRAL AND EAST CENTRAL WYOMING IN A FAVORABLE POSITION TO RECEIVE HEAVY SNOW. IT NOW APPEARS THAT ONE TO TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS... WITH UP TO A FOOT IN THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD AND CONVERSE COUNTY BEGINNING THIS AFTERNOON AND CONTINUING FOR THURSDAY. WYZ059-061>066-290215- /O.CON.KCYS.WS.W.0004.000000T0000Z-070330T0000Z/ CONVERSE-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...RAWLINS...HANNA... MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 1211 PM MDT WED MAR 28 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY. SNOW WILL CONTINUE TO FALL ACROSS THE SNOWY AND LARAMIE RANGES ABOVE 9000 FEET THIS AFTERNOON...AND IT WILL HEAVY AT TIMES. SNOW WILL ALSO CONTINUE AT THE LOWER ELEVATIONS OF CARBON... ALBANY... AND CONVERSE COUNTIES. THE SNOW IN THE WARNING AREA WILL ACCUMULATE TO NEARLY TWO FEET IN THE HIGHER ELEVATIONS BY THURSDAY EVENING...WITH 4 TO 8 INCHES IN THE LOWER ELEVATIONS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ KMD
000 WWUS45 KCYS 282310 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 510 PM MDT WED MAR 28 2007 ...HEAVY SNOW TO AFFECT PORTIONS OF SOUTHEAST WYOMING TONIGHT THROUGH THURSDAY... .A STRONG STORM SYSTEM CENTERED OVER NORTHWEST COLORADO LATE THIS AFTERNOON WILL MOVE SLOWLY TO THE NORTHEAST THROUGH THURSDAY. THE TRACK OF THE STORM AND ITS SLOW MOVEMENT WILL PLACE SOUTH CENTRAL AND EAST CENTRAL WYOMING IN A FAVORABLE POSITION TO RECEIVE HEAVY SNOW. IT NOW APPEARS THAT ONE TO TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS...WITH UP TO A FOOT IN THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD AND CONVERSE COUNTY THROUGH THURSDAY. WYZ059-061>066-290715- /O.CON.KCYS.WS.W.0004.000000T0000Z-070330T0000Z/ CONVERSE-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...RAWLINS...HANNA... MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 510 PM MDT WED MAR 28 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY. SNOW WILL CONTINUE TO FALL OVER AND WEST OF THE LARAMIE RANGE THROUGH THURSDAY AS WELL AS CONVERSE COUNTY. THE SNOW WILL BE HEAVY AT TIMES. BY SUNSET THURSDAY...6 TO 12 INCHES OF SNOW WILL HAVE ACCUMULATED OVER THE LOWER ELEVATIONS AND UP TO 2 FEET IN THE SNOWY RANGE. AS OF 5 PM...GENERALLY 1 TO 3 INCHES OF NEW SNOW HAD FALLEN IN THE LOWER ELEVATIONS...WITH 6 INCHES IN THE RAWLINS AREA. IN THE SNOWY RANGE...6 TO 9 INCHES OF NEW SNOW FELL SINCE MIDDAY. IN SOME PLACES...THE SNOWFALL RATES WERE ABOUT AN INCH PER HOUR. THE SNOW WILL MAKE ROADS SLICK AND TRAVEL HAZARDOUS OVER AND WEST OF THE LARAMIE RANGE AS WELL AS CONVERSE COUNTY TONIGHT AND THURSDAY. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ WEILAND
000 WWUS45 KCYS 290309 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 909 PM MDT WED MAR 28 2007 ...HEAVY SNOW WILL CONTNUE TO AFFECT PORTIONS OF SOUTHEAST WYOMING THROUGH THURSDAY... .A STRONG STORM SYSTEM CENTERED OVER WESTERN COLORADO LATE THIS EVENING WILL MOVE SLOWLY TO THE NORTHEAST THROUGH THURSDAY. THE TRACK OF THE STORM AND ITS SLOW MOVEMENT WILL PLACE SOUTH CENTRAL AND EAST CENTRAL WYOMING IN A FAVORABLE POSITION TO RECEIVE HEAVY SNOW. IT NOW APPEARS THAT ONE TO TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS...WITH UP TO A FOOT IN THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD AND CONVERSE COUNTY THROUGH SUNSET THURSDAY. WYZ059-061>066-291115- /O.CON.KCYS.WS.W.0004.000000T0000Z-070330T0000Z/ CONVERSE-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...RAWLINS...HANNA... MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 909 PM MDT WED MAR 28 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY. SNOW WILL CONTINUE TO FALL OVER AND WEST OF THE LARAMIE RANGE THROUGH THURSDAY AS WELL AS CONVERSE COUNTY. THE SNOW WILL BE HEAVY AT TIMES. BY SUNSET THURSDAY...6 TO 12 INCHES OF SNOW WILL HAVE ACCUMULATED OVER THE LOWER ELEVATIONS AND UP TO 2 FEET IN THE SNOWY RANGE. AS OF 8 PM...GENERALLY 2 TO 6 INCHES OF NEW SNOW HAD FALLEN IN THE LOWER ELEVATIONS...WITH 8 INCHES ON THE GROUND IN THE RAWLINS AREA. IN THE SNOWY RANGE...6 TO 12 INCHES OF NEW SNOW HAD FALLEN BY 8 PM...WITH A FOOR AND A HALF OF NEW SNOW 20 MILES TO THE SOUTHEAST OF SARATOGA. THE SNOW WILL MAKE ROADS SLICK AND TRAVEL HAZARDOUS OVER AND WEST OF THE LARAMIE RANGE AS WELL AS CONVERSE COUNTY TONIGHT AND THURSDAY. INTERSTATE 80 WAS STILL CLOSED AS OF 830 PM TO THE WEST OF RAWLINS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. BE SURE TO CHECK THE LATEST ROAD AND WEATHER CONDITIONS BEFORE LEAVING. $$ WEILAND
000 WWUS45 KCYS 290559 CCA WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 909 PM MDT WED MAR 28 2007 ...HEAVY SNOW WILL CONTINUE TO AFFECT PORTIONS OF SOUTHEAST WYOMING THROUGH THURSDAY... .A STRONG STORM SYSTEM CENTERED OVER WESTERN COLORADO LATE THIS EVENING WILL MOVE SLOWLY TO THE NORTHEAST THROUGH THURSDAY. THE TRACK OF THE STORM AND ITS SLOW MOVEMENT WILL PLACE SOUTH CENTRAL AND EAST CENTRAL WYOMING IN A FAVORABLE POSITION TO RECEIVE HEAVY SNOW. IT NOW APPEARS THAT ONE TO TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS...WITH UP TO A FOOT IN THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD AND CONVERSE COUNTY THROUGH SUNSET THURSDAY. WYZ059-061>066-291115- /O.CON.KCYS.WS.W.0004.000000T0000Z-070330T0000Z/ CONVERSE-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...RAWLINS...HANNA... MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 909 PM MDT WED MAR 28 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THURSDAY. SNOW WILL CONTINUE TO FALL OVER AND WEST OF THE LARAMIE RANGE THROUGH THURSDAY AS WELL AS CONVERSE COUNTY. THE SNOW WILL BE HEAVY AT TIMES. BY SUNSET THURSDAY...6 TO 12 INCHES OF SNOW WILL HAVE ACCUMULATED OVER THE LOWER ELEVATIONS AND UP TO 2 FEET IN THE SNOWY RANGE. AS OF 8 PM...GENERALLY 2 TO 6 INCHES OF NEW SNOW HAD FALLEN IN THE LOWER ELEVATIONS...WITH 8 INCHES ON THE GROUND IN THE RAWLINS AREA. IN THE SNOWY RANGE...6 TO 12 INCHES OF NEW SNOW HAD FALLEN BY 8 PM...WITH A FOOT AND A HALF OF NEW SNOW 20 MILES TO THE SOUTHEAST OF SARATOGA. THE SNOW WILL MAKE ROADS SLICK AND TRAVEL HAZARDOUS OVER AND WEST OF THE LARAMIE RANGE AS WELL AS CONVERSE COUNTY TONIGHT AND THURSDAY. INTERSTATE 80 WAS STILL CLOSED AS OF 830 PM TO THE WEST OF RAWLINS. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. BE SURE TO CHECK THE LATEST ROAD AND WEATHER CONDITIONS BEFORE LEAVING. $$ WEILAND
000 WWUS45 KCYS 290937 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 337 AM MDT THU MAR 29 2007 ...HEAVY SNOW WILL CONTINUE TO AFFECT PORTIONS OF SOUTHEAST WYOMING THROUGH THIS EVENING... .A STRONG STORM SYSTEM CENTERED OVER WESTERN COLORADO THIS MORNING WILL MOVE SLOWLY TO THE NORTHEAST THROUGH TONIGHT. THE TRACK OF THE STORM AND ITS SLOW MOVEMENT WILL PLACE SOUTH CENTRAL AND EAST CENTRAL WYOMING IN A FAVORABLE POSITION TO RECEIVE HEAVY SNOW. ONE TO TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS...WITH UP TO FIFTEEN INCHES IN THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD...AND ALSO CONVERSE AND NIOBRARA COUNTIES THROUGH THIS EVENING. FOR WYOMING ROAD REPORTS...PLEASE CALL 1-888-996-7623. TO CHECK WYOMING ROAD REPORTS ON THE INTERNET...PLEASE GO TO WWW.WYOROAD.INFO. WYZ060-291800- /O.EXB.KCYS.WS.W.0004.000000T0000Z-070330T0600Z/ NIOBRARA- INCLUDING THE CITY OF...LUSK 337 AM MDT THU MAR 29 2007 ...WINTER STORM WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL DEVELOP THIS MORNING AND WILL BECOME HEAVY AT TIMES TODAY AND THIS EVENING. BY MIDNIGHT TONIGHT...YOU CAN EXPECT 4 TO 7 INCHES OF SNOW. NORTH WINDS OF 15 TO 30 MPH WILL PRODUCE WIDESPREAD BLOWING SNOW AND REDUCED VISIBILITIES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. BE SURE TO CHECK THE LATEST ROAD AND WEATHER CONDITIONS BEFORE LEAVING. $$ WYZ059-061>066-291800- /O.EXT.KCYS.WS.W.0004.000000T0000Z-070330T0600Z/ CONVERSE-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...RAWLINS...HANNA... MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 337 AM MDT THU MAR 29 2007 ...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL CONTINUE TODAY AND THIS EVENING...AND WILL BE HEAVY AT TIMES. BY LATE THIS EVENING...YOU CAN EXPECT UP TO 15 INCHES OF SNOW AT THE LOWER ELEVATIONS...WITH 12 TO 25 INCHES OF SNOW ACROSS THE MOUNTAINS. SNOWFALL AMOUNTS WILL BE GREATEST ACROSS THE LARAMIE RANGE OF CONVERSE AND ALBANY COUNTIES. STRONG NORTH WINDS WILL PRODUCE WIDESPREAD BLOWING AND DRIFING SNOW AND REDUCED VISIBILITIES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. BE SURE TO CHECK THE LATEST ROAD AND WEATHER CONDITIONS BEFORE LEAVING. $$ RUBIN
000 WWUS45 KCYS 291420 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 820 AM MDT THU MAR 29 2007 ...HEAVY SNOW WILL CONTINUE TO AFFECT PORTIONS OF SOUTHEAST WYOMING THROUGH THIS EVENING... .A STRONG STORM SYSTEM CENTERED OVER WESTERN COLORADO THIS MORNING WILL MOVE SLOWLY TO THE NORTHEAST THROUGH TONIGHT. THE TRACK OF THE STORM AND ITS SLOW MOVEMENT WILL PLACE SOUTH CENTRAL AND EAST CENTRAL WYOMING IN A FAVORABLE POSITION TO RECEIVE HEAVY SNOW. ONE TO TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS...WITH UP TO FIFTEEN INCHES IN THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD...AND ALSO CONVERSE AND NIOBRARA COUNTIES THROUGH THIS EVENING. FOR WYOMING ROAD REPORTS...PLEASE CALL 1-888-996-7623. TO CHECK WYOMING ROAD REPORTS ON THE INTERNET...PLEASE GO TO WWW.WYOROAD.INFO. WYZ059>066-292230- /O.CON.KCYS.WS.W.0004.000000T0000Z-070330T0600Z/ CONVERSE-NIOBRARA-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...RAWLINS... HANNA...MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 820 AM MDT THU MAR 29 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL CONTINUE TODAY AND THIS EVENING...AND WILL BE HEAVY AT TIMES. BY LATE THIS EVENING...YOU CAN EXPECT UP TO 15 INCHES OF SNOW AT THE LOWER ELEVATIONS...WITH 12 TO 25 INCHES OF SNOW ACROSS THE MOUNTAINS. SNOWFALL AMOUNTS WILL BE GREATEST ACROSS THE LARAMIE RANGE OF CONVERSE AND ALBANY COUNTIES. STRONG NORTH WINDS WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. BE SURE TO CHECK THE LATEST ROAD AND WEATHER CONDITIONS BEFORE LEAVING. $$ WYZ067>070-292230- /O.NEW.KCYS.SB.Y.0005.070329T1420Z-070330T0000Z/ PLATTE-GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS- INCLUDING THE CITIES OF...WHEATLAND...GUERNSEY...TORRINGTON... CHEYENNE...PINE BLUFFS 820 AM MDT THU MAR 29 2007 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 PM MDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM MDT THIS AFTERNOON. SNOW WILL CONTINUE TO FALL ACROSS SOUTHEAST WYOMING TODAY...WITH NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. THIS WILL RESULT IN WIDESPREAD BLOWING SNOW ACROSS THE AREA THROUGH THIS AFTERNOON. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ KMD
000 WWUS45 KCYS 292028 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 228 PM MDT THU MAR 29 2007 ...HEAVY SNOW WILL CONTINUE TO AFFECT PORTIONS OF SOUTHEAST WYOMING THROUGH THIS EVENING... .A STRONG STORM SYSTEM CENTERED OVER WESTERN COLORADO THIS AFTERNOON WILL MOVE SLOWLY TO THE NORTHEAST THROUGH TONIGHT. THE TRACK OF THE STORM AND ITS SLOW MOVEMENT WILL CONTINUE TO PRODUCE HEAVY SNOW OVER SOUTH CENTRAL AND EAST CENTRAL WYOMING THIS AFTERNOON AND EVENING. A TOTAL OF ONE TO TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS...WITH UP TO FIFTEEN INCHES AT THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD...AND ALSO CONVERSE AND NIOBRARA COUNTIES THROUGH THIS EVENING. FOR WYOMING ROAD REPORTS...PLEASE CALL 1-888-996-7623. TO CHECK WYOMING ROAD REPORTS ON THE INTERNET...PLEASE GO TO WWW.WYOROAD.INFO. WYZ059>066-300430- /O.CON.KCYS.WS.W.0004.000000T0000Z-070330T0600Z/ CONVERSE-NIOBRARA-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...RAWLINS... HANNA...MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 228 PM MDT THU MAR 29 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL CONTINUE THIS AFTERNOON AND THIS EVENING...AND WILL BE HEAVY AT TIMES. BY LATE THIS EVENING...UP TO 15 INCHES OF SNOW IS LIKELY AT THE LOWER ELEVATIONS...WITH ONE TO TWO FEET OF SNOW ACROSS THE MOUNTAINS. SNOWFALL AMOUNTS WILL BE GREATEST ACROSS THE LARAMIE RANGE OF CONVERSE AND ALBANY COUNTIES. STRONG NORTH WINDS WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES. AS OF 2 PM...7 INCHES OF SNOW HAD FALLEN IN LARAMIE...12 INCHES IN RAWLINS...AND 10 TO 14 INCHES IN THE LARAMIE AND SNOWY RANGES. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW... SLEET...AND ICE ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. BE SURE TO CHECK THE LATEST ROAD AND WEATHER CONDITIONS BEFORE LEAVING. $$ WYZ067>070-300000- /O.CON.KCYS.SB.Y.0005.000000T0000Z-070330T0000Z/ PLATTE-GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS- INCLUDING THE CITIES OF...WHEATLAND...GUERNSEY...TORRINGTON... CHEYENNE...PINE BLUFFS 228 PM MDT THU MAR 29 2007 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS AFTERNOON... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM MDT THIS AFTERNOON. SNOW WILL CONTINUE TO FALL ACROSS SOUTHEAST WYOMING THIS AFTERNOON...WITH NORTH TO NORTHWEST WINDS OF 20 TO 30 MPH WITH GUSTS UP TO 40 MPH. THIS WILL RESULT IN WIDESPREAD BLOWING SNOW ACROSS THE AREA THROUGH THIS AFTERNOON. SNOW ACCUMULATIONS ACROSS THE AREA WILL RANGE FROM 3 TO 6 INCHES. VISIBILITIES WILL BE REDUCED TO LESS THAN A MILE AT TIMES. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ DAUGHERTY
000 WWUS45 KCYS 300005 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 605 PM MDT THU MAR 29 2007 ...HEAVY SNOW WILL CONTINUE TO AFFECT PORTIONS OF SOUTHEAST WYOMING THROUGH EARLY TONIGHT... .A STRONG STORM SYSTEM CENTERED OVER COLORADO EARLY THIS EVENING WILL MOVE SLOWLY TO THE NORTHEAST THROUGH TONIGHT. THE TRACK OF THE STORM AND ITS SLOW MOVEMENT WILL CONTINUE TO PRODUCE HEAVY SNOW OVER SOUTH CENTRAL AND EAST CENTRAL WYOMING EARLY AFTERNOON. A TOTAL UP TO OVER TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS...WITH UP TO FIFTEEN INCHES AT THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD...AND ALSO CONVERSE AND NIOBRARA COUNTIES THROUGH EARLY TONIGHT. FOR WYOMING ROAD REPORTS...PLEASE CALL 1-888-996-7623. TO CHECK WYOMING ROAD REPORTS ON THE INTERNET...PLEASE GO TO WWW.WYOROAD.INFO. WYZ059>066-300600- /O.CON.KCYS.WS.W.0004.000000T0000Z-070330T0600Z/ CONVERSE-NIOBRARA-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...RAWLINS... HANNA...MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 605 PM MDT THU MAR 29 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL CONTINUE THROUGH EARLY TONIGHT AND WILL BE HEAVY AT TIMES. BY LATE THIS EVENING...UP TO 15 INCHES OF SNOW IS LIKELY AT THE LOWER ELEVATIONS...WITH UP TO TWO FEET OVER THE SNOWY RANGE AND THE NORTHERN LARAMIE RANGE. STRONG NORTH WINDS WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES. AS OF 5 PM...6 TO 12 INCHES OF STORM TOTAL SNOWFALL WAS COMMON OVER THE WARNING AREA...WITH THE CITY OF ELK MOUNTAIN REPORTING 18 INCHES OF NEW SNOW SINCE THE SNOW BEGAN. ONE TO TWO FEET OF STORM TOTAL SNOW WAS COMMON OVER THE SNOWY RANGE AND NORTHERN LARAMIE RANGE. TRAVEL OVER SOUTH CENTRAL AND EAST CENTRAL WYOMING WILL BE DIFFICULT THROUGH EARLY TONIGHT...WITH STRONG WINDS...SLICK ROADS AND POOR VISIBILITIES. IF YOU MUST TRAVEL...BE SURE TO TAKE ALONG A WINTER SURVIVAL KIT AND CHECK THE LATEST ROAD AND WEATHER CONDITIONS BEFORE LEAVING. $$ WYZ067>070-300300- /O.EXT.KCYS.SB.Y.0005.000000T0000Z-070330T0300Z/ PLATTE-GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS- INCLUDING THE CITIES OF...WHEATLAND...GUERNSEY...TORRINGTON... CHEYENNE...PINE BLUFFS 605 PM MDT THU MAR 29 2007 ...SNOW AND BLOWING SNOW ADVISORY NOW IN EFFECT UNTIL 9 PM MDT THIS EVENING... THE SNOW AND BLOWING SNOW ADVISORY IS NOW IN EFFECT UNTIL 9 PM MDT THIS EVENING. SNOW WILL CONTINUE TO FALL ACROSS SOUTHEAST WYOMING EARLY TONIGHT WITH NORTH WINDS GUSTING TO 45 MPH. THIS WILL RESULT IN WIDESPREAD BLOWING AND DRIFTING SNOW AND HAZARDOUS TRAVEL. STORM TOTAL SNOWFALL WILL BE BETWEEN 3 AND 10 INCHES OVER THE AREA BY MIDNIGHT. AS OF 5 PM...SNOWFALL AMOUNTS VARIED FROM ONE HALF INCH IN PINE BLUFFS TO 10 INCHES IN TORRINGTON. TRAVEL OVER SOUTHEAST WYOMING WILL BE DIFFICULT THROUGH EARLY TONIGHT...WITH STRONG WINDS...SLICK ROADS AND POOR VISIBILITIES. IF YOU MUST TRAVEL...BE SURE TO CHECK THE LATEST ROAD AND WEATHER CONDITIONS BEFORE LEAVING. $$ WEILAND
000 WWUS45 KCYS 300316 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 916 PM MDT THU MAR 29 2007 ...SNOW WILL CONTINUE TO AFFECT SOUTHEAST WYOMING THROUGH MIDNIGHT... .A STRONG STORM SYSTEM CENTERED OVER NORTHERN COLORADO THIS EVENING WILL MOVE SLOWLY TO THE NORTHEAST THROUGH THE REST OF TONIGHT. THE TRACK OF THE STORM AND ITS SLOW MOVEMENT WILL CONTINUE TO PRODUCE SNOW OVER SOUTH CENTRAL AND EAST CENTRAL WYOMING TONIGHT. A TOTAL UP TO OVER TWO FEET OF SNOW WILL OCCUR OVER THE HIGHER ELEVATIONS...WITH UP TO FIFTEEN INCHES AT THE LOWER ELEVATIONS FROM THE LARAMIE RANGE WESTWARD...AND ALSO CONVERSE AND NIOBRARA COUNTIES THROUGH EARLY TONIGHT. THE SNOW AND WINDS HAVE STARTED TO TAPER OFF THIS EVENING AND WILL CONTINUE TO DIMINISH IN INTENSITY FOR THE REST OF TONIGHT. FOR WYOMING ROAD REPORTS...PLEASE CALL 1-888-996-7623. TO CHECK WYOMING ROAD REPORTS ON THE INTERNET...PLEASE GO TO WWW.WYOROAD.INFO. WYZ067>070-300430- /O.EXP.KCYS.SB.Y.0005.000000T0000Z-070330T0300Z/ PLATTE-GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS- INCLUDING THE CITIES OF...WHEATLAND...GUERNSEY...TORRINGTON... CHEYENNE...PINE BLUFFS 916 PM MDT THU MAR 29 2007 ...SNOW AND BLOWING SNOW ADVISORY HAS EXPIRED... THE SNOW AND BLOWING SNOW ADVISORY IS NO LONGER IN EFFECT. THE NORTH WINDS HAVE DIMINISHED OVER THE SOUTHEAST WYOMING PLAINS SINCE SUNSET...WITH HUIGHEST GUSTS NOW ABOUT 35 MPH. THOSE SPEEDS ARE DOWN FROM THE GUSTS TO 45 MPH RECORDED EARLIER. AS THE WINDS DIMINSH...THE BLOWING SNOW WILL ALSO DECREASE AND VISIBILITIES WILL SLOWLY IMPROVE. SNOW WILL CONTINUE OVER THE AREA FOR THE REST OF TONIGHT...BUT SNOWFALL RATES WILL ALSO SLOWLY DIMINISH AS THE STORM SYSTEM LIFTS NORTHEAST. EVEN THOGUH THE SNOW AND BLOWING SNOW ADVISORY FOR THE SOUTHEAST WYOMING PLAINS HAS EXPIRED TRAVEL WILL STILL BE HAZARDOUS THE REST OF TONIGHT DUE TO THE SLICK ROADS AND SNOWFALL. $$ WYZ059>066-300600- /O.CON.KCYS.WS.W.0004.000000T0000Z-070330T0600Z/ CONVERSE-NIOBRARA-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...RAWLINS... HANNA...MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 916 PM MDT THU MAR 29 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW WILL CONTINUE THROUGH EARLY TONIGHT AND WILL BE HEAVY AT TIMES. BY LATE THIS EVENING...UP TO 15 INCHES OF SNOW IS LIKELY AT THE LOWER ELEVATIONS...WITH UP TO TWO FEET OVER THE SNOWY RANGE AND THE NORTHERN LARAMIE RANGE. STRONG NORTH WINDS WILL PRODUCE WIDESPREAD BLOWING AND DRIFTING SNOW AND REDUCED VISIBILITIES. AS OF 8 PM...6 TO 12 INCHES OF STORM TOTAL SNOWFALL WAS COMMON OVER THE WARNING AREA...WITH THE CITY OF ELK MOUNTAIN REPORTING 18 INCHES OF NEW SNOW SINCE THE SNOW BEGAN. ONE TO TWO FEET OF STORM TOTAL SNOW WAS COMMON OVER THE SNOWY RANGE AND NORTHERN LARAMIE RANGE. TRAVEL OVER SOUTH CENTRAL AND EAST CENTRAL WYOMING WILL BE DIFFICULT THROUGH EARLY TONIGHT...WITH STRONG WINDS...SLICK ROADS AND POOR VISIBILITIES. IF YOU MUST TRAVEL...BE SURE TO TAKE ALONG A WINTER SURVIVAL KIT AND CHECK THE LATEST ROAD AND WEATHER CONDITIONS BEFORE LEAVING. $$ WEILAND
000 WWUS45 KCYS 300453 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1053 PM MDT THU MAR 29 2007 ...STRONG WINTER STORM WILL CONTINUE TO SLOWLY WEAKEN AND MOVE NORTHEASTM TONIGHT AND FRIDAY... .SNOW AND WINDS OVER MUCH OF SOUTHEAST WYOMING HAVE BEEN DIMINISHING SINCE MID EVENING. AS THE STORM SYSTEM WEAKENS AND MOVES NORTH THAT TREND WILL CONTINUE OVER THE AREA. SNOW...GENERALLY LIGHT...WILL PERSIST OVER SOUTHEAST WYOMING FOR THE REST OF TONIGHT AND INTO FRIDAY MORNING. WYZ059>066-300600- /O.CAN.KCYS.WS.W.0004.000000T0000Z-070330T0600Z/ CONVERSE-NIOBRARA-SOUTHWEST CARBON-NORTH CARBON-SNOWY RANGE- NORTH LARAMIE RANGE-LARAMIE VALLEY-LARAMIE RANGE- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...RAWLINS... HANNA...MEDICINE BOW...CENTENNIAL...GARRETT...LARAMIE...BUFORD... HORSE CREEK 1053 PM MDT THU MAR 29 2007 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS CANCELLED THE WINTER STORM WARNING. THE SNOW AND WINDS OVER SOUTH CENTRAL AND EAST CENTRAL WYOMING WILL CONTINUE TO SLOWLY DIMINISH FOR THE REST OF TONIGHT. ADDITIONAL SNOWFALL WILL BE UP TO 2 INCHES BY SUNRISE FRIDAY. IN ADDITION...NORTH WINDS WILL GUST TO 30 MPH AND WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW AND POOR VISIBILITIES. EVEN THOUGH CONDITIONS WILL SLOWLY IMROVE FOR THE REST OF THE NIGHT...TRAVEL WILL STILL BE DIFFICULT. TOTAL SNOWFALL SO FAR HAS BEEN FROM A FOOT TO OVER TWO FEET IN THE SNOWY RANGE AND NORTHERN LARAMIE RANGHE. SNOWFALL OVER THE LOWER ELEVATIONS WAS GENERALLY BETWENE 8 AND 12 INCHES. $$ WEILAND
What forecasters said that day
The local office's own words before this winter storm 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 winter storm warning went out at Mar 27, 3:16 PM MDT, 10 hours 57 minutes earlier.
Area forecast discussion, Mar 27, 3:16 PM MDT, 10 hours 57 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
316 PM MDT TUE MAR 27 2007
.SHORT TERM...THROUGH WED NIGHT...THE BIG STORY IS THE WEATHER
ASSOCIATED WITH THE POTENT UPPER CUTOFF LOW THAT WILL IMPACT WY
WED AND WED NIGHT. THE CUTOFF WILL MOVE OVER UT TONIGHT...THEN
MODELS DIVERGE SOMEWHAT ON THE SOLUTION. NAM IS STRONGER THAN THE
GFS IS WITH THE CUTOFF LOW...THUS UNCERTAINTY EXISTS REGARDING THE
STRENGTH OF THE CUTOFF. MODELS ARE CLOSER ON THE MOVEMENT OF THE
CUTOFF AND PROG THE CENTER OF IT TO BE OVER EAST CENTRAL WYOMING
BY LATE WED NIGHT. AN ELONGATED SURFACE LOW WILL EXTEND FROM
SOUTHERN MT SOUTHWARD OVER CO BY LATE TONIGHT...WITH MODELS
DIFFERING ON THE CENTER OF THE LOW PRESSURE SYSTEM. THE LOW SHOULD
BE LOCATED OVER THE WESTERN NEB PANHANDLE BY LATE WED...THEN THE
GFS IS QUICKER THAN THE NAM IN KICKING THE LOW NORTHEASTWARD OVER
THE GREAT PLAINS WED NIGHT. AT THIS POINT AM INCLINED TO FORECAST
CONSERVATIVELY AND STAY IN CLOSE COLLABORATION WITH NEIGHBORING
NWS OFFICES. WILL MENTION A CHANCE OF SHOWERS WITH A FEW
THUNDERSTORMS TONIGHT AS MOISTURE AND DYNAMICS INCREASE AHEAD OF
THE ADVANCING LOW. A PACIFIC COLD FRONT WILL MOVE INTO THE WESTERN
HALF OF THE FORECAST AREA TONIGHT. TEMPERATURES TONIGHT WILL BE
WELL ABOVE NORMAL. WITH THE LOW LEVEL MOISTURE IN PLACE EAST OF
THE MOUNTAINS ALONG WITH VIGOROUS SURFACE BASED UPSLOPE
FLOW...WILL MENTION FOG LATE TONIGHT AND WED MORNING PRIMARILY
FROM THE LARAMIE RANGE EASTWARD. WILL CARRY RELATIVELY HIGH POPS
WED FOR SHOWERS...WITH MAINLY AFTERNOON THUNDERSTORMS IN THE
WESTERN NEB PANHANDLE. WED WILL BE COOLER WITH WINDY AREAS. AREAS
OF THE WESTERN NEB PANHANDLE MAY APPROACH WIND ADVISORY CRITERIA
BUT AT THIS POINT IT LOOKS PRETTY MARGINAL. WILL CONTINUE THE
WINTER STORM WATCH STARTING WEDNESDAY EVENING FOR THE WESTERN HALF
OF THE FORECAST AREA. TEMPS WED NIGHT WILL BE COLDER AND SHOULD BE
CLOSER TO NORMAL.
.LONG TERM...THURSDAY THROUGH TUESDAY...GFS IS COMING MORE IN LINE
WITH THE ECMWF HOWEVER BY 00Z FRI THE GFS HAS THE UPPER LOW OVER
WY...WHEREAS THE ECMWF HAS THE UPPER LOW CENTERED OVER WRN CO.
AGREE WITH HPC THAT ECMWF HAS BETTER PLACEMENT. VERY MOIST UPSLOPE
FLOW COMBINED WITH PVA THUR...WILL RESULT IN A CHANCE OF SNOW ACROSS
THE ENTIRE CWA. THE SNOW MAY MIX WITH OR CHANGE TO RAIN EAST OF THE
LARAMIE RANGE THURSDAY AFTERNOON. WILL KEEP WINTER STORM WATCH IN
PLACE FOR THE LARAMIE RANGE AND WEST THROUGH 00Z FRI. UP TO 20
INCHES OF SNOW IS POSSIBLE IN THE MOUNTAINS BY THURSDAY EVENING. BY
12Z FRI...BOTH MODELS HAVE THE UPPER LOW OVER SE WY. WILL CONTINUE
WITH A CHANCE OF SNOW ACROSS THE CWA FRI...RAIN EAST OF THE LARAMIE
RANGE IN THE AFTERNOON. ON SAT...THE UPPER LOW WILL MOVE ACROSS THE
PLAINS AND INTO THE MIDWEST. THIS WILL RESULT IN NW FLOW ALOFT OVER
THE CWA AND DOWNSLOPE WINDS AT THE SURFACE...LEADING TO DRY AND
WARMER CONDITIONS. DRY CONDITIONS WILL CONTINUE SUNDAY THROUGH
TUESDAY AS WESTERLY FLOW OCCURS ALOFT WITH DOWNSLOPE WINDS AT THE
SURFACE. THE ONLY EXCEPTION IS AN UPPER TROUGH WHICH MAY SWING
THROUGH THE AREA SUNDAY NIGHT. THIS FEATURE WILL NEED TO BE WATCHED
FOR POSSIBLE MENTION OF SHOWERS SUNDAY NIGHT INTO EARLY MON
MORNING. HIGH TEMPERATURES WILL BE AROUND 10 DEGREES BELOW NORMAL
THURSDAY...AROUND NORMAL FRIDAY...THEN 5 TO 10 DEGREES ABOVE NORMAL
FOR SATURDAY THROUGH TUESDAY.
&&
.AVIATION...VFR CEILINGS AND VISIBILITIES WILL LOWER TO MVFR AND
IFR CATEGORIES OVERNIGHT TONIGHT FROM THE LARAMIE RANGE EASTWARD
AS FOG IS EXPECTED TO REFORM. AREAS OF STRONG AND GUSTY SURFACE
WINDS WILL OCCUR UNTIL 01Z WITH A STRONG SURFACE PRESSURE
GRADIENT.
&&
.CYS WATCHES/WARNINGS/ADVISORIES...
WY...WINTER STORM WATCH FROM 6 PM WEDNESDAY TO 6 PM THURSDAY FOR
WYZ059-WYZ061-WYZ062-WYZ063-WYZ064-WYZ065-WYZ066.
NE...NONE.
&&
SHORT TERM/AVIATION...JR
LONG TERM....KMDHazardous weather outlook, Mar 27, 2:00 PM MDT, 12 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE CHEYENNE WY 200 PM MDT TUE MAR 27 2007 WYZ063-281615- SNOWY RANGE- 200 PM MDT TUE MAR 27 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT WINDY CONDITIONS ALONG WITH SCATTERED SHOWERS AND A FEW THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. BRIEF WIND GUSTS TO 45 MPH WILL BE POSSIBLE NEAR THE THUNDERSTORMS. RAIN AND SNOW SHOWERS WILL BECOME MORE NUMEROUS TOWARDS EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A WINTER STORM WATCH IN EFFECT WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON. HEAVY SNOW WILL SPREAD ACROSS THE MOUNTAINS WEDNESDAY AFTERNOON..WITH SIGNIFICANT ACCUMULATION POSSIBLE BY FRIDAY. ONE TO TWO FEET OF SNOW IS POSSIBLE IN THE HIGHER ELEVATIONS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE WYZ059-061-062-064-065-281615- CONVERSE-SOUTHWEST CARBON-NORTH CARBON-NORTH LARAMIE RANGE- LARAMIE VALLEY- 200 PM MDT TUE MAR 27 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS THE AREA TODAY... WITH GUSTY WINDS AND SMALL HAIL POSSIBLE THIS AFTERNOON AND EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A WINTER STORM WATCH IS IN EFFECT WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON. HEAVY SNOW WILL SPREAD ACROSS THE AREA WEDNESDAY AFTERNOON..WITH SIGNIFICANT ACCUMULATION POSSIBLE BY FRIDAY. ONE TO TWO FEET OF SNOW IS POSSIBLE IN THE HIGHER MOUNTAINS...WITH UP TO A FOOT IN THE LOWER ELEVATIONS OF CARBON...ALBANY...AND CONVERSE COUNTY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE NEZ001>003-019>021-054-055-WYZ060-067-068-070-281615- SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL- CHEYENNE-NIOBRARA-PLATTE-GOSHEN-PINE BLUFFS- 200 PM MDT TUE MAR 27 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE WESTERN NEBRASKA PANHANDLE AND SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT SHOWERS AND THUNDERSTORMS WILL DEVELOP ACROSS THE AREA TODAY... SOME WITH GUSTY WINDS TO 50 MPH AND SMALL HAIL...ESPECIALLY TOWARDS EVENING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY LOW CLOUDS AND FOG WILL AFFECT THE REGION ON WEDNESDAY...WITH A FEW EMBEDDED WEAK THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE WYZ066-069-281615- LARAMIE RANGE-CHEYENNE FOOTHILLS- 200 PM MDT TUE MAR 27 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST WYOMING. .DAY ONE...TODAY AND TONIGHT A DENSE FOG ADVISORY IS IN EFFECT THROUGH 4 PM THIS AFTERNOON FOR THE SOUTHERN LARAMIE RANGE. VISIBILITIES WILL BE SEVERELY LIMITED DUE TO LOW CLOUDS AND FOG. WINDY CONDITIONS ALONG WITH SCATTERED SHOWERS AND A FEW SHOWERS AND THUNDERSTORMS ARE EXPECTED THIS AFTERNOON. BRIEF WIND GUSTS TO 45 MPH WILL BE POSSIBLE NEAR THE THUNDERSTORMS. RAIN AND SNOW SHOWERS WILL BECOME MORE NUMEROUS TOWARDS EVENING .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY A WINTER STORM WATCH IS IN EFFECT FOR THE LARAMIE RANGE WEDNESDAY NIGHT THROUGH THURSDAY AFTERNOON. HEAVY SNOW WILL SPREAD ACROSS THE MOUNTAINS WEDNESDAY AFTERNOON..WITH SIGNIFICANT ACCUMULATION POSSIBLE BY FRIDAY. ONE TO TWO FEET OF SNOW IS POSSIBLE IN THE HIGHER ELEVATIONS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC...AND CLIMATE INFORMATION IS AVAILABLE ON THE WEB AT... HTTP://WEATHER.GOV/CHEYENNE JR
In the hours before
Local storm report, Mar 27, 9:46 PM MDT, 4 hours 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
946 PM MDT TUE MAR 27 2007
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0942 PM HAIL GLENROCK 42.86N 105.86W
03/27/2007 M0.50 INCH CONVERSE WY TRAINED SPOTTER
ONE QUARTER INCH TO ONE HALF INCH DIAMETER HAIL REPORTED.
&&
MWEILANDThe office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 28, 1:08 AM MDT | Dense Fog Advisory | CYS | 10 hr |
Nearby
Winter Storm Warnings in Wyoming, 2007Every winter storm warning in 2007
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.