STORM SUMMARY NUMBER 4 FOR NORTHERN ROCKIES AND NORTHERN PLAINS
EARLY SEASON WINTER STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
900 PM MDT SAT OCT 11 2008

...EARLY SEASON HEAVY SNOW AFFECTING THE NORTHERN ROCKIES AND
NORTHERN HIGH PLAINS...

WINTER STORM WARNINGS...WATCHES...AND ADVISORIES ARE IN EFFECT
ACROSS PORTIONS OF THE NORTHERN ROCKIES AND EXTEND INTO THE
NORTHERN PLAINS...CENTRAL ROCKIES...NORTHWEST PORTIONS OF THE
CENTRAL PLAINS...AND NORTHEAST PORTIONS OF THE CENTRAL GREAT
BASIN.

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

AT 900 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADARS AND
SURFACE OBSERVATIONS INDICATED A 996 MB LOW PRESSURE CENTER OVER
NORTHWESTERN COLORADO.  NORTH OF THE SURFACE LOW AND ASSOCIATED
STATIONARY BOUNDARY...WIDESPREAD MODERATE TO HEAVY SNOW WAS
REPORTED FROM SOUTHEAST IDAHO...NORTHEASTWARD ACROSS NORTH CENTRAL
WYOMING...AND INTO SOUTH CENTRAL MONTANA.    

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 700 AM MDT FRI OCT
10 THROUGH PRESENT...

...MONTANA...
PONY                                         36.0
ROSCOE 4 SE                                  25.0
RED LODGE 2 S                                22.0
NYE                                          19.0
DEAN 11 SSW                                  16.0
MC LEOD 7 S                                  14.0   
BUTTE 8 S                                    12.5
ROUNDUP 10 SE                                12.0
COLUMBUS 15 NW                               12.0
ROBERTS 5.9 NNW                              12.0
TENDOY 3 S                                   11.0
MELVILLE 7 WNW                               11.0 
BADGER PASS                                   9.0
LAVINA 9.5 SE                                 8.4
BILLINGS 1.0 NW                               8.0  
FISHTAIL                                      8.0
BEAVERHEAD                                    8.0
LIVINGSTON 6.6 ESE                            7.0 
DEER LODGE                                    6.0    
HELENA 3 SSE                                  4.0
BOULDER 0.3 SE                                4.0  

...IDAHO...
BURLEY 18 SE                                 10.0
CHALLIS                                       9.5
ROGERSON 16 E                                 9.1
MOOSE CREEK                                   9.0
RUPERT                                        6.0
THREE CREEK 9 ESE                             6.0
BENNINGTON                                    4.0
STANLEY 28 NE                                 4.0

...WYOMING...
TOWNSEND CREEK                               20.0
ST. LAWRENCE                                 19.0
BALD MOUNTAIN                                18.0
HOBBS PARK                                   18.0
BONE SPRINGS DIVIDE                          17.0
TIMBER CREEK                                 15.0
SOUTH PASS                                   15.0
LANDER AIRPORT                               14.7
SHELL CREEK                                  14.0
LANDER 5 SW                                  11.5
DAYTON 11.9 WNW                              10.0
THERMOPOLIS 4.0 N                             9.5 
SUNDANCE 7.0 SSE                              6.0  
RIVERTON 1.5 E                                6.0
GILLETTE 16 N                                 5.7   
CASPER 1.6 S                                  5.6  
RECLUSE 17 N                                  5.0
SHERIDAN 12.9 ESE                             4.5
CLEARMONT 5.1 NNE                             4.1  

...SOUTH DAKOTA...
LEAD 5.5 SSW                                  8.2
HANNA 0.1 ESE                                 7.0  
BELLE FOURCHE 0.9 SSE                         6.2  
NEWELL 2.8 ENE                                5.5  
WHITEWOOD 4.2 NNW                             4.6
SPEARFISH 0.6 E                               4.6

MODERATE TO HEAVY SNOWFALL IS EXPECTED TO CONTINUE TO DEVELOP AND
SPREAD NORTHEASTWARD OVER THE NORTHERN ROCKIES AND HIGH PLAINS
THROUGHOUT SATURDAY NIGHT AND INTO SUNDAY MORNING.  ADDITIONAL
ACCUMULATIONS GREATER THAN 12 INCHES ARE LIKELY OVER NORTH AND
CENTRAL WYOMING AND ACROSS EASTERN AND CENTRAL MONTANA...WITH
LESSER AMOUNTS IN WESTERN NORTH AND SOUTH DAKOTA.  ISOLATED
SNOWFALL TOTALS OF OVER 2 TO 3 FEET ARE POSSIBLE ACROSS THE HIGHER
TERRAIN OF THE NORTHERN ROCKIES.         

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 300 AM MDT SUNDAY. PLEASE REFER TO YOUR LOCAL
NATIONAL WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.
 
KOST