Hazardous Weather Outlook
Issued by NWS Cheyenne, WY

Home | Current Version | Previous Version | Graphics & Text | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
364
FLUS45 KCYS 181603
HWOCYS

Hazardous Weather Outlook
National Weather Service Cheyenne WY
1003 AM MDT Tue Jul 18 2017

NEZ002-003-019>021-054-055-095-096-WYZ102-107-108-116>119-191615-
Dawes-Box Butte-Scotts Bluff-Banner-Morrill-Kimball-Cheyenne-
North Sioux-South Sioux-Niobrara County-East Platte County-
Goshen County-South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
1003 AM MDT Tue Jul 18 2017

This hazardous weather outlook is for portions of western
Nebraska...east central Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Isolated to widely scattered thunderstorms are expected to develop
by early afternoon and continue into the early evening hours.
Movement on the storms will be from west to east at 20 to 25 mph.
Some of the stronger storms could produce downburst winds to 60
mph with cloud to ground lightning being the main hazards.
Widespread severe thunderstorms are not expected today and
tonight.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Coverage of thunderstorms are expected to increase daily. Thursday
could be a day of isolated severe thunderstorms for areas along
and east of the Laramie Range. Slow movement on the storms could
lead to areas of heavy rainfall and isolated flash flooding.
Storms are expected to continue on a daily basis through next
week.

.Spotter information statement...

Spotter activation will not be needed.

$$

WYZ101-103>106-109>115-191615-
Converse County Lower Elevations-North Laramie Range-
Ferris/Seminoe/Shirley Mountains-Shirley Basin-
Central Laramie Range and Southwest Platte County-
Central Carbon County-North Snowy Range Foothills-
Southwest Carbon County-Sierra Madre Range-
Upper North Platte River Basin-Snowy Range-Laramie Valley-
1003 AM MDT Tue Jul 18 2017

This hazardous weather outlook is for portions of east central
Wyoming...south central Wyoming and southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Isolated to widely scattered thunderstorms are expected once again
this afternoon and early evening. Greatest coverage will be over
the Snowy and Sierra Madre Ranges. Severe thunderstorms are not
expected.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

Coverage of thunderstorms are expected to increase daily. Thursday
could be a day of greatest coverage for this week. Slow movement
on the storms could lead to areas of heavy rainfall and isolated
flash flooding. Storms are expected to continue on a daily basis
through next week.

.Spotter information statement...

Spotter activation will not be needed.

$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.