KBPI Big Piney, WY. CLR 7 11 2 66 WSW5 30.04
KBYG Buffalo, WY. CLR 7 9 -4 55 NNE6 30.24
KCOD Cody, WY. CLR 7 12 -3 50 E5 30.28
KCPR Casper, WY. SCT 7 5 -3 69 NE8 30.21
KCYS Cheyenne, WY. OVC 2FG 5 -1 76 N10 30.11 SNB14E22SNE14 P0000/
KDGW Converse County Airport, WY SCT 7 7 -2 66 NW7 30.25
KEVW Evanston, WY. OVC 7 6 -3 66 E16 30.03 SNE08 P0000/
KGCC Gillette, WY. SCT 7 9 1 70 NW9 30.28
KGEY South Big Horn, WY. CLR 7 18 -4 37 W10 30.34
KJAC Jackson, WY. CLR 7 21 0 39 N12 30.05
KLAR Laramie, WY. OVC 7 1 -9 62 ENE12 30.01 SNE14 P0000/
KLND Lander, WY. OVC 6SN- FG 3 -4 72 WSW7 30.23 SNB46 P0000/
KP60 Yellowstone, WY. M 10 -9 41 CALM 30.06
KPNA Pinedale, WY. OVC 7 12 5 72 SW8 30.05
KRIW Riverton, WY. CLR 7 8 -4 57 N5 30.23
KRKS Rock Springs, WY. OVC 7 2 -6 69 NE18G24 30.11 PK WND 06033/ 2304/
KRWL Rawlins, WY. OVC 7 2 -5 72 NN13 30.06
KSHR Sheridan, WY. CLR 7 3 -6 65 W8 30.34
KTOR Rorrington Airport, WY. OVC 4SN- FG 12 7 80 NNW7 30.26 P0000/

RAB = RAIN BEGAN E = END LGT = LIGHTNING CIG VARY = CLOUD BASES
CLR = CLEAR DSNT = DISTANT SLP178 SEA LEVEL PRESSURE
SCT = SCATTERED PARTLY CLOUDY WSHFT = WIND SHIFT PRESFR = PRESSURE FALLING RAPIDLY
BKN = BROKEN MOSTLY CLOUDY ALQDS = TOTALLY SURROUNDING PRESRR = PRESSURE RISING RAPIDLY
OVC = OVERCAST TSB = THUNDERSTORM BEGAN P0000 = ZERO RAIN

Tuesday 10/30/19 SA0015GMT

METEOROLOGIST LARRY OLSON
BROADCAST METEOROLOGIST MIKE SCOTT

Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Riverton WY
600 PM MDT Tue Oct 29 2019

WYZ001>020-022>030-301200-
Yellowstone National Park-Absaroka Mountains-Cody Foothills-
North Big Horn Basin-Southwest Big Horn Basin-
Southeast Big Horn Basin-Owl Creek and Bridger Mountains-
Bighorn Mountains West-Bighorn Mountains Southeast-
Northeast Johnson County-Southeast Johnson County-
Teton and Gros Ventre Mountains-Jackson Hole-
Wind River Mountains West-Wind River Mountains East-
Upper Wind River Basin-Wind River Basin-Lander Foothills-
Green Mountains and Rattlesnake Range-
Natrona County Lower Elevations-Casper Mountain-Star Valley-
Salt River and Wyoming Ranges-Upper Green River Basin Foothills-
Upper Green River Basin-South Lincoln County-
Rock Springs and Green River-Flaming Gorge-East Sweetwater County-
600 PM MDT Tue Oct 29 2019

...A Wind Chill Warning is in effect for Sweetwater County this
evening through Wednesday morning...

...A Wind Chill Warning is in effect for Natrona County late
tonight through Wednesday morning...

This Hazardous Weather Outlook is for Western and Central Wyoming.

.DAY ONE...Tonight

A combination of wind and very cold temperatures will lead to
extremely cold wind chill values through Wednesday morning
in parts of southern and central Wyoming.

Very cold low temperatures for late October will occur across the
area tonight.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday.

Cold temperatures will continue Wednesday before moderating late
in the week.

.SPOTTER INFORMATION STATEMENT...

Weather spotters are encouraged to report significant weather
conditions according to standard operating procedures.

$$


Wind Chill Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Riverton WY
549 PM MDT Tue Oct 29 2019

...Light snow, gusty winds and frigid temperatures will continue
across southern Wyoming Tuesday...

.Bitter cold temperatures have settled across the area. Winds
will remain gusty over some areas into Wednesday morning, leading
to dangerously low wind chills.

WYZ [login to see] 00-
/O.EXP.KRIW.WW.Y.0035.000000T0000Z-191030T0000Z/
/O.CON.KRIW.WC.W.0002.191030T0000Z-191030T1200Z/
Rock Springs and Green River-Flaming Gorge-
Including the cities of Rock Springs and Green River
549 PM MDT Tue Oct 29 2019

...WIND CHILL WARNING REMAINS IN EFFECT UNTIL 6 AM MDT
WEDNESDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM MDT THIS EVENING...

* WHAT...Dangerously cold wind chills expected. Wind chills as
low as 30 below zero.

* WHERE...Rock Springs and Green River and Flaming Gorge.

* WHEN...Through 6 AM Wednesday.

* IMPACTS...The cold wind chills could cause frostbite on exposed
skin in as little as 30 minutes.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Avoid outside activities if possible. When outside, make sure you
wear appropriate clothing, a hat, and gloves.
Detailed Forecast
TonightSnow showers. The snow could be heavy at times. Patchy blowing snow before 5am. Low around 8. Wind chill values between -5 and zero. North wind 5 to 15 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.
WednesdaySnow showers likely, mainly before noon. Cloudy through mid morning, then gradual clearing, with a high near 23. Wind chill values between -5 and 5. North wind 5 to 10 mph becoming light and variable in the afternoon. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Wednesday NightMostly clear, with a low around 2. Wind chill values between -5 and -10. Calm wind becoming west around 5 mph in the evening.
ThursdaySunny, with a high near 40. Wind chill values between -10 and zero. West wind around 5 mph becoming south in the afternoon.
Thursday NightMostly clear, with a low around 16. West wind around 5 mph.
FridaySunny, with a high near 40. West northwest wind around 5 mph becoming southeast in the afternoon.
Friday NightPartly cloudy, with a low around 11. Calm wind becoming west around 5 mph.
SaturdaySunny, with a high near 43. West wind around 5 mph.
Saturday NightMostly clear, with a low around 18. West wind around 5 mph.
SundaySunny, with a high near 52. West wind around 5 mph.
Sunday NightMostly clear, with a low around 23. West wind around 5 mph.
MondayMostly sunny, with a high near 52. West wind around 5 mph becoming east in the afternoon.
Monday NightPartly cloudy, with a low around 22. West wind around 5 mph.
TuesdayMostly sunny, with a high near 55. West wind around 5 mph.