STORM SUMMARY NUMBER 1 FOR NORTHERN ROCKIES TO GREAT LAKES SNOW
AND WIND
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
300 PM MDT MON APR 02 2018

...LOW PRESSURE SYSTEM DEVELOPING OVER THE NORTHERN ROCKIES IS
EXPECTED TO SPREAD SNOW ACROSS THE NORTHERN PLAINS INTO THE GREAT
LAKES DURING THE NEXT COUPLE OF DAYS...

WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES HAVE BEEN
ISSUED FROM THE NORTHERN ROCKIES EASTWARD ACROSS THE NORTHERN
PLAINS INTO THE GREAT LAKES

FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV

AT 200 PM MDT...THE CENTER OF A DEVELOPING LOW PRESSURE SYSTEM
WITH SEA-LEVEL PRESSURE OF 990 MB...29.23 INCHES OF MERCURY...WAS
MOVING EASTWARD ACROSS CENTRAL WYOMING.  NATIONAL WEATHER SERVICE
DOPPLER RADARS AND SURFACE OBSERVATIONS INDICATED AN AREA OF LIGHT
TO MODERATE SNOW WAS EXPANDING EASTWARD ACROSS THE NORTHERN HIGH
PLAINS AS ARCTIC AIR FROM CANADA CONTINUED TO FEED INTO THE
REGION.  ANOTHER AREA OF LIGHT TO MODERATE SNOW WAS ALSO EXPANDING
ACROSS THE NORTHERN PLAINS INTO THE UPPER MIDWEST AS A STATIONARY
FRONT BECAME BETTER DEFINED.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM MDT SUN APR
01 THROUGH 200 PM MDT MON APR 02...

...MONTANA...
LIVINGSTON 6.6 ESE                   10.0                    
REXFORD                              10.0                    
YAAK                                 10.0                    
MELVILLE 4.7 W                        9.8                    
SPRINGDALE 0.1 NW                     8.5                    
COLUMBUS 5 SSE                        8.0                    
MARTINSDALE                           8.0                    
BIG TIMBER 0.3 ESE                    7.6                    
LAME DEER 7.9 WSW                     6.5                    
CHOTEAU                               6.0                    
LEWISTOWN 1 NNW                       6.0                    
BOZEMAN 1 SSW                         5.5                    
EAST GLACIER PARK                     5.0                    
HARDIN 1 W                            5.0                    
BYNUM 17 WSW                          4.0                    

...NORTH DAKOTA...
ELLENDALE                             5.0                    
ASHLEY 3 NE                           3.0                    
ZEELAND                               3.0                    
BOWMAN HALEY DAM 7 E                  2.5                    

...SOUTH DAKOTA...
LEMMON 1 S                            6.0                    
ARTAS 1 S                             4.5                    
LUDLOW                                3.0                    

...WYOMING...
RANCHESTER                            4.8                    
DAYTON                                4.0                    

...SELECTED PEAK WIND GUSTS IN MILES PER HOUR EARLIER IN THE
EVENT...

...IDAHO...
MUD LAKE 8 SSW                        66                    
MINIDOKA 6 NW                         61                    
ATOMIC CITY 8 NNW                     60                    
OSGOOD 11 W                           60                    
CRATERS OF MOON 1 NNW                 59                    
IDAHO FALLS AIRPORT                   59                    
RICHFIELD 1 ENE                       59                    
TABER 3 W                             59                    
ABERDEEN 1 NE                         58                    
CONNER SUMMIT                         57                    
HOWE 7 S                              57                    
ROBERTS 1 N                           57                    

...UTAH...
VERNAL RGNL AIRPORT                   53                    

...WYOMING...
SUMMIT - JACKSON RESORT               73                    
HOYT PEAK                             70                    
CENTENNIAL 15 NNE                     68                    
NE ESTERBROOK                         66                    
HILAND 16 S                           64                    
RED CANYON                            63                    
ROCK RIVER 1 S                        62                    
ARLINGTON 7 ESE                       58                    


THE LOW PRESSURE SYSTEM IS EXPECTED TO INTENSIFY AS IT MOVES OFF
INTO THE CENTRAL PLAINS TONIGHT INTO TUESDAY MORNING. 
MEANWHILE...ARCTIC AIR FROM CANADA WILL CONTINUE TO FEED INTO THE
NORTHERN PLAINS AHEAD OF AN ARCTIC HIGH PRESSURE SYSTEM.  A SWATH
OF SNOW IS EXPECTED TO SPREAD EASTWARD ACROSS THE NORTHERN PLAINS
TONIGHT INTO MUCH OF TUESDAY WHERE UP TO 6 INCHES OF SNOW IS
FORECAST.  THE STORM IS EXPECTED TO INTENSIFY FURTHER AS IT MAKES
ITS WAY ACROSS THE MIDWEST TUESDAY AND INTO THE LOWER GREAT LAKES
TUESDAY NIGHT.  TOTAL SNOWFALL AMOUNTS SHOULD RANGE FROM 6 TO 12
INCHES ACROSS THE UPPER MIDWEST TO 15 INCHES...WITH LOCALLY HIGHER
AMOUNTS POSSIBLE OVER THE CENTRAL GREAT LAKES.  STRONG AND GUSTY
WINDS WILL ALSO ACCOMPANY THE SNOW OVER THE UPPER MIDWEST AND
CENTRAL GREAT LAKES TUESDAY NIGHT BEFORE THE STORM MOVES FURTHER
AWAY TOWARD NORTHERN NEW ENGLAND ON WEDNESDAY.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 900 PM MDT. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.

KONG