THE WEATHER PREDICTION CENTER

COLLEGE PARK, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 02 FOR NORTHERN ROCKIES TO THE GREAT LAKES
WINTER STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
300 AM CST FRI FEB 09 2018

...LIGHT TO MODERATE SNOW QUICKLY MOVING EAST THROUGH THE UPPER
MIDWEST WITH THE GREATEST SHORT TERM ACCUMULATIONS EXPECTED FROM
THE WISCONSIN/ILLINOIS BORDER INTO SOUTHERN MICHIGAN AND NORTHERN
INDIANA... 

WIND CHILL ADVISORIES ARE IN EFFECT FROM NORTHEAST MONTANA TO FAR
NORTHWEST WISCONSIN.

WINTER STORM WARNINGS ARE IN EFFECT FOR MUCH OF MONTANA INTO THE
ABSAROKA AND BIG HORN MOUNTAINS OF WYOMING. WINTER STORM WARNINGS
ARE ALSO IN PLACE FROM CENTRAL IOWA...EASTWARD ACROSS SOUTHERN
WISCONSIN...NORTHERN ILLINOIS...SOUTHERN MICHIGAN...NORTHERN
INDIANA AND NORTHWESTERN OHIO.

WINTER WEATHER ADVISORIES SURROUND THE WINTER STORM WARNINGS AND
ARE IN EFFECT FROM MONTANA THROUGH THE MIDWEST INTO LOWER MICHIGAN.

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

AT 200 AM CST...SURFACE OBSERVATIONS CONTINUED TO INDICATE A
WELL-DEFINED SURFACE FRONT EXTENDING WEST FROM THE OHIO AND
MID-MISSISSIPPI VALLEYS BACK INTO THE CENTRAL HIGH PLAINS AND
NORTHWEST FROM THE CENTRAL HIGH PLAINS INTO THE NORTHERN ROCKIES.
THE FRONT WAS STATIONARY ACROSS THE MID-MISSISSIPPI VALLEY BUT WAS
SLOWLY ADVANCING SOUTH ACROSS THE CENTRAL HIGH PLAINS AND IT IS
HERE ACROSS THE CENTRAL HIGH PLAINS THAT THE TEMPERATURE GRADIENT
WAS NOTED TO BE THE STRONGEST. AT 2 AM...TEMPERATURES RANGED FROM
THE MID 50S ACROSS NORTHERN COLORADO TO THE SINGLE DIGITS IN THE
NORTHERN NEBRASKA PANHANDLE. FARTHER NORTH...TEMPERATURES WERE
ZERO TO TEN BELOW FROM EASTERN MONTANA INTO THE DAKOTAS. IN
ADDITION TO COLDER TEMPERATURES...STRONG GUSTY WINDS HAVE BEEN
OBSERVED NORTH OF THE FRONT ACROSS PORTIONS OF MONTANA AND
NORTHERN WYOMING. RADAR IMAGERY INDICATED AREAS OF LIGHT TO
MODERATE SNOW FALLING NORTH OF THE BOUNDARY FROM WESTERN MONTANA
INTO THE CENTRAL/NORTHERN HIGH PLAINS AND EASTWARD FROM THE UPPER
MISSISSIPPI VALLEY INTO LOWER MICHIGAN AND NORTHERN INDIANA/OHIO.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 900 PM CST WED FEB
07 THROUGH 200 AM CST FRI FEB 09...

...IOWA...
READLYN                               6.0                    
DUBUQUE 2 WNW                         4.8                    
FORT DODGE                            4.5                    
WAUKON                                4.5                    
CEDAR FALLS                           4.0                    
FREEPORT 1 E                          4.0                    
JEFFERSON 1 S                         4.0                    

...ILLINOIS...
ROCKFORD                              4.0                    
ROCHELLE                              2.7                    
ROMEOVILLE                            2.0                    
CHICAGO 3 SSE                         1.6                    

...MONTANA...
POWDERVILLE 8 NNE                    12.0                    
HAVRE 1 S                            11.8                    
EKALAKA                               8.7                    
FORSYTH 0.4 ENE                       8.0                    
ISMAY 27.6 WSW                        8.0                    
MALTA 33 SW                           8.0                    
ROCK SPRINGS                          8.0                    

...SOUTH DAKOTA...
RED ELM 9 WSW                         6.0                    
FORT PIERRE 1 ENE                     5.7                    
STEPHAN 2 E                           4.5                    
GANN BALLEY                           4.0                    
SALEM 5 NE                            4.0                    

...WISCONSIN...
DESOTO 1 SE                           5.0                    
RICHLAND CENTER                       5.0                    
PLATTEVILLE                           4.3                    
FITCHBURG                             3.1                    

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

...MONTANA...
YELLOWSTONE CLUB - TIMBER STATION     62                    
SIEBEN FLATS MDT                      59                    

...WYOMING...
GARRETT 11 SSE                        67                    
WHEATLAND 9 S                         64                    
W ROCK RIVER                          61                    
CENTENNIAL 14 NE                      60                    
GLENDO 9 S                            60                    
CHEYENNE 12 WNW                       58                    
SHERIDAN 2 SSW                        57                    


A WEAK SURFACE LOW IS FORECAST TO DEVELOP ALONG THE SURFACE FRONT
AND TRACK NORTHEAST FROM THE MID-MISSISSIPPI VALLEY EARLY FRIDAY
MORNING INTO THE SOUTHERN GREAT LAKES REGION FRIDAY AFTERNOON.
MODERATE TO HEAVY SNOWS ARE POSSIBLE NORTH OF THE FRONT WITH TWO
ROUNDS OF SNOW. ROUND ONE WILL CONTINUE TO MOVE EAST ACROSS THE
SOUTHERN GREAT LAKES REGION INTO NORTHERN NEW YORK AND NEW ENGLAND
TONIGHT WHILE ROUND TWO MOVES INTO THE MIDWEST LATER TODAY AND
TONIGHT. ADDITIONAL ACCUMULATIONS OF 4 TO 8 INCHES ARE EXPECTED
THROUGH SATURDAY MORNING FROM SOUTHERN MICHIGAN INTO WESTERN AND
NORTHERN NEW YORK...WITH LOCALLY EMBEDDED HIGHER AMOUNTS. AN
ADDITIONAL TWO TO FOUR INCHES OF SNOW ARE EXPECTED FROM WYOMING
INTO PORTIONS OF THE CENTRAL PLAINS AND MIDWEST THROUGH SATURDAY
MORNING. ADDITIONAL SNOW IS EXPECTED FOR SOME OF THESE SAME
LOCATIONS ON SUNDAY.

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

OTTO




Last Updated: 402 AM EST FRI FEB 09 2018