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HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE RIVERTON WY
500 AM MDT SAT MAY 30 2015

WYZ001>020-022>030-311200-
ABSAROKA MOUNTAINS-BIGHORN MOUNTAINS SOUTHEAST-
BIGHORN MOUNTAINS WEST-CASPER MOUNTAIN-CODY FOOTHILLS-
EAST SWEETWATER COUNTY-FLAMING GORGE-
GREEN MOUNTAINS AND RATTLESNAKE RANGE-JACKSON HOLE-LANDER FOOTHILLS-
NATRONA COUNTY LOWER ELEVATIONS-NORTH BIG HORN BASIN-
NORTHEAST JOHNSON COUNTY-OWL CREEK AND BRIDGER MOUNTAINS-
ROCK SPRINGS AND GREEN RIVER-SALT RIVER AND WYOMING RANGES-
SOUTH LINCOLN COUNTY-SOUTHEAST BIG HORN BASIN-
SOUTHEAST JOHNSON COUNTY-SOUTHWEST BIG HORN BASIN-STAR VALLEY-
TETON AND GROS VENTRE MOUNTAINS-UPPER GREEN RIVER BASIN-
UPPER GREEN RIVER BASIN FOOTHILLS-UPPER WIND RIVER BASIN-
WIND RIVER BASIN-WIND RIVER MOUNTAINS EAST-WIND RIVER MOUNTAINS WEST-
YELLOWSTONE NATIONAL PARK-
500 AM MDT SAT MAY 30 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN AND CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

WIDELY SCATTERED THUNDERSTORMS THIS AFTERNOON AND EVENING...MAINLY
IN THE NORTHERN AND WESTERN MOUNTAINS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

SUNDAY...SCATTERED AFTERNOON AND EARLY EVENING THUNDERSTORMS WITH
GUSTY WINDS EXCEPT LOCALLY HEAVY RAINFALL...SMALL HAIL AND GUSTY
WINDS IN JOHNSON COUNTY.

MONDAY...SCATTERED STRONGER LATE DAY THUNDERSTORMS WITH SMALL HAIL
AND GUSTY WINDS...ESPECIALLY IN JOHNSON COUNTY.

TUESDAY THROUGH FRIDAY...ISOLATED TO SCATTERED THUNDERSTORMS
POSSIBLE EACH DAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY SIGNIFICANT WEATHER...
INCLUDING BUT NOT LIMITED TO HAIL LARGER THAN PEAS...STRONG WIND
OVER 45 MPH...HEAVY RAIN OR OBSERVED FLOODING.

$$

TEAM RIVERTON

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE BILLINGS MT
349 AM MDT SAT MAY 30 2015

MTZ028>042-056>058-063>068-WYZ098-099-311000-
SOUTHERN WHEATLAND-MUSSELSHELL-TREASURE-NORTHERN ROSEBUD-CUSTER-
FALLON-NORTHERN STILLWATER-YELLOWSTONE-POWDER RIVER-CARTER-
SOUTHERN BIG HORN-EASTERN CARBON-NORTHERN PARK-
NORTHERN SWEET GRASS-GOLDEN VALLEY-RED LODGE FOOTHILLS-
NORTHERN BIG HORN-SOUTHERN ROSEBUD-JUDITH GAP-PARADISE VALLEY-
LIVINGSTON AREA-BEARTOOTH FOOTHILLS-ABSAROKA/BEARTOOTH MOUNTAINS-
CRAZY MOUNTAINS-NORTHEAST BIGHORN MOUNTAINS-SHERIDAN FOOTHILLS-
349 AM MDT SAT MAY 30 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
MONTANA...SOUTH CENTRAL MONTANA...SOUTHEAST MONTANA AND NORTH
CENTRAL WYOMING.

.DAY ONE...TODAY AND TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED THIS AFTERNOON AND EVENING. A
FEW STORMS WILL BE STRONG...AND AN ISOLATED SEVERE THUNDERSTORM IS
POSSIBLE. POTENTIAL HAZARDS INCLUDE DIME TO POSSIBLY QUARTER SIZE
HAIL...WIND GUSTS OF 40 TO POSSIBLY 60 MPH...LIGHTNING AND BRIEF
HEAVY RAINFALL. THE GREATEST POTENTIAL FOR THUNDERSTORMS WILL BE
ACROSS SOUTH CENTRAL MONTANA BETWEEN 2 PM AND 8 PM MDT.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

AN ISOLATED STRONG OR MARGINALLY SEVERE THUNDERSTORM IS POSSIBLE
AGAIN SUNDAY AFTERNOON AND EVENING. THEN...A MORE WIDESPREAD RISK
OF SEVERE THUNDERSTORMS WILL EXIST MONDAY AFTERNOON AND EVENING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

CJS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GLASGOW MT
326 AM MDT SAT MAY 30 2015

MTZ016>027-059>062-310900-
CENTRAL AND SOUTHEAST PHILLIPS-CENTRAL AND SOUTHERN VALLEY-
DANIELS-SHERIDAN-WESTERN ROOSEVELT-PETROLEUM-GARFIELD-MCCONE-
RICHLAND-DAWSON-PRAIRIE-WIBAUX-NORTHERN PHILLIPS-
SOUTHWEST PHILLIPS-NORTHERN VALLEY-EASTERN ROOSEVELT-
326 AM MDT SAT MAY 30 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST
MONTANA.

.DAY ONE...TODAY AND TONIGHT

A LAKE WIND ADVISORY IS IN EFFECT FROM 9 AM THIS MORNING TO 9 PM
THIS EVENING FOR SOUTHEAST WINDS OF 15 TO 30 MPH WHICH WILL MAKE
THE LAKE ROUGH AND HAZARDOUS.

THUNDERSTORMS ARE LIKELY THIS AFTERNOON AND EVENING. A FEW STRONG
TO SEVERE STORMS ARE POSSIBLE WITH SMALL HAIL AND DAMAGING
WINDS... ESPECIALLY IN PHILLIPS... PETROLEUM... AND GARFIELD
COUNTIES.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

A PATTERN CHANGE WILL BRING FREQUENT CHANCES FOR SHOWERS AND
THUNDERSTORMS STARTING MONDAY AND CONTINUING THROUGH FRIDAY. SOME
STORMS MONDAY AFTERNOON AND EVENING COULD BECOME SEVERE WITH LARGE
HAIL AND DAMAGING WINDS.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

$$

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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