Alert archive / Wyoming / Wind Chill Warnings in 2008
Wind Chill Warning 2, NWS Cheyenne, WY
NWS Cheyenne, WY issued this wind chill warning at Dec 15, 2008, 6:02 AM MST for Crook County, Weston County, Wyoming. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 15, 2008, 6:02 AM MST (13:02 UTC)
- Expired
- Dec 15, 2008, 10:01 AM MST
- In force
- 4 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 13:02 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Rapid City, SD (KUNR), launched 12:00Z, 1.0 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
- 1167 m above ground
- 0-6 km bulk shear
- 49 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 73 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 151302 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 602 AM MST MON DEC 15 2008 ...BITTERLY COLD TEMPERATURES AND WIND CHILLS WILL PERSIST THROUGH MUCH OF THIS MORNING... .VERY COLD ARCTIC AIR REMAINED IN PLACE EAST OF THE MOUNTAINS OVERNIGHT. TEMPERATURES EARLY THIS MORNING MOSTLY VARIED FROM 10 BELOW ZERO T0 20 BELOW. THESE READINGS WILL SLOWLY RISE AFTER 8 AM...BUT EVEN LIGHT WINDS OF 5 TO 15 MPH WILL CONTINUE TO CAUSE WIND CHILL VALUES FROM 20 TO 40 BELOW ZERO. WYZ059-060-067>070-151700- /O.NEW.KCYS.WC.W.0002.081215T1302Z-081215T1700Z/ CONVERSE-NIOBRARA-PLATTE-GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...WHEATLAND... GUERNSEY...TORRINGTON...CHEYENNE...PINE BLUFFS 602 AM MST MON DEC 15 2008 ...WIND CHILL WARNING IN EFFECT UNTIL 10 AM MST THIS MORNING... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL WARNING...WHICH IS IN EFFECT UNTIL 10 AM MST THIS MORNING. FRIGID TEMPERATURES FROM 10 BELOW TO 20 BELOW ZERO WILL COMBINE WITH 5 TO 15 MPH WINDS TO CAUSE WIND CHILLS OF 25 TO 40 BELOW ZERO UNTIL ABOUT 10 AM MST THIS MORNING. TEMPERATURES WILL MODERATE LATE THIS MORNING AND AFTERNOON INTO THE UPPER SINGLE DIGITS AND TEENS. A WIND CHILL WARNING MEANS THE COMBINATION OF VERY COLD AIR AND STRONG WINDS WILL CREATE DANGEROUSLY LOW WIND CHILL VALUES. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA OR DEATH IF PRECAUTIONS ARE NOT TAKEN. $$ NEZ001>003-019>021-054-055-151700- /O.NEW.KCYS.WC.Y.0003.081215T1302Z-081215T1700Z/ SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL- CHEYENNE- INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE... SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD... KIMBALL...SIDNEY 602 AM MST MON DEC 15 2008 ...WIND CHILL ADVISORY IN EFFECT UNTIL 10 AM MST THIS MORNING... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A WIND CHILL ADVISORY...WHICH IS IN EFFECT UNTIL 10 AM MST THIS MORNING. FRIGID TEMPERATURES FROM 10 BELOW TO 20 BELOW ZERO WILL COMBINE WITH 5 TO 10 MPH WINDS TO CAUSE WIND CHILLS OF 20 TO 30 BELOW ZERO UNTIL ABOUT 10 AM MST THIS MORNING. TEMPERATURES WILL GRADUALLY MODERATE TO 5 TO 15 ABOVE ZERO LATE THIS MORNING AND AFTERNOON. A WIND CHILL ADVISORY MEANS THAT VERY COLD AIR AND STRONG WINDS WILL COMBINE TO GENERATE LOW WIND CHILLS. THIS WILL RESULT IN FROST BITE AND LEAD TO HYPOTHERMIA IF PRECAUTIONS ARE NOT TAKEN. IF YOU MUST VENTURE OUTDOORS...MAKE SURE YOU WEAR A HAT AND GLOVES. $$ JLH
1 follow-up statement
000 WWUS45 KCYS 151701 WSWCYS URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE CHEYENNE WY 1001 AM MST MON DEC 15 2008 WYZ059-060-067>070-151815- /O.CAN.KCYS.WC.W.0002.000000T0000Z-081215T1700Z/ CONVERSE-NIOBRARA-PLATTE-GOSHEN-CHEYENNE FOOTHILLS-PINE BLUFFS- INCLUDING THE CITIES OF...DOUGLAS...GLENROCK...LUSK...WHEATLAND... GUERNSEY...TORRINGTON...CHEYENNE...PINE BLUFFS 1001 AM MST MON DEC 15 2008 ...WIND CHILL WARNING HAS EXPIRED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ALLOWED THE WIND CHILL WARNING TO EXPIRE. TEMPERATURES...ALTHOUGH STILL QUITE COLD...HAVE MODERATED THIS MORNING. WIND SPEEDS ARE GENERALLY LIGHT AND THEREFORE WIND CHILL VALUES ARE NO LONGER DANGEROUSLY COLD. FOR THIS REASON THE NATIONAL WEATHER SERVICE HAS ALLOWED THE WIND CHILL WARNING TO EXPIRE. $$ NEZ001>003-019>021-054-055-151815- /O.CAN.KCYS.WC.Y.0003.000000T0000Z-081215T1700Z/ SIOUX-DAWES-BOX BUTTE-SCOTTS BLUFF-BANNER-MORRILL-KIMBALL- CHEYENNE- INCLUDING THE CITIES OF...HARRISON...CHADRON...ALLIANCE... SCOTTSBLUFF...GERING...HARRISBURG...BRIDGEPORT...BAYARD... KIMBALL...SIDNEY 1001 AM MST MON DEC 15 2008 ...WIND CHILL ADVISORY HAS EXPIRED... THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ALLOWED THE WIND CHILL ADVISORY TO EXPIRE. TEMPERATURES...ALTHOUGH STILL QUITE COLD...HAVE MODERATED THIS MORNING. WIND SPEEDS ARE GENERALLY LIGHT AND THEREFORE WIND CHILL VALUES ARE NO LONGER DANGEROUSLY COLD. FOR THIS REASON THE NATIONAL WEATHER SERVICE HAS ALLOWED THE WIND CHILL ADVISORY TO EXPIRE. $$ JR
Nearby
Wind Chill Warnings in Wyoming, 2008Every wind chill warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.