THE WEATHER PREDICTION CENTER

COLLEGE PARK, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 03 FOR ROCKIES INTO NORTHERN PLAINS WINTER
STORM
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
900 PM MDT TUE APR 16 2013

...SNOW IS BEGINNING TO REDEVELOP IN NORTHERN COLORADO
NORTHEASTWARD INTO THE NORTHERN PLAINS...

WINTER WEATHER ADVISORIES ARE IN EFFECT FROM PARTS OF UTAH ACROSS
NORTHWESTERN COLORADO...EASTERN HALF OF WYOMING...SOUTHEASTERN
MONTANA...AND INTO THE WESTERN PART OF THE NORTHERN PLAINS.

WINTER STORM WATCHES REMAIN IN EFFECT FOR NORTHEASTERN SOUTH
DAKOTA AND A SMALL AREA IN WESTERN MINNESOTA.

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

AT 800 PM MDT...A LOW PRESSURE CENTER WITH ESTIMATED SEA-LEVEL
PRESSURE OF 997 MB... 29.44 INCHES... WAS NEARLY STATIONARY OVER
THE HIGH TERRAIN OF CENTRAL COLORADO.  NATIONAL WEATHER SERVICE
DOPPLER RADARS AND SURFACE OBSERVATIONS INDICATED THAT SNOW WAS
REDEVELOPING TO THE NORTH AND WEST OF THE LOW CENTER...AND HAD
BECOME MORE WIDESPREAD OVER THE PAST FEW HOURS.  COLD AIR BEHIND
THE LOW PRESSURE SYSTEM WAS BEGINNING TO ADVANCE SOUTHEASTWARD. 
MEANWHILE...THE LIGHT TO MODERATE SNOW BANDS NEAR A SURFACE TROUGH
OF LOW PRESSURE ACROSS THE NORTHERN HIGH PLAINS HAD ALSO EXPANDED
IN COVERAGE.  FARTHER TO THE WEST IN THE GREAT BASIN...SCATTERED
HEAVY SNOW SHOWERS THAT DEVELOPED DURING THE DAY WERE BEGINNING TO
SUBSIDE.

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 1200 PM MDT MON
APR 15 THROUGH 800 PM MDT WED APR 16...

...COLORADO...
GOLDEN 9.4 WNW                       24.5                    
ESTES PARK 1 SSE                     23.0                    
FORT COLLINS 2.8 NE                  21.5                    
JAMESTOWN 3 W                        21.0                    
GREELEY 10.5 SSE                     18.6                    
LOVELAND 12.2 W                      18.2                    
ERIE SW                              17.1                    
BOULDER 4.7 E                        16.1                    
LAFAYETTE 0.4 WSW                    16.0                    
LOUISVILLE 1 NNW                     15.7                    
GENESEE                              15.4                    
FREDERICK                            15.0                    
EVERGREEN 6.5 WSW                    14.5                    
ROLLINSVILLE 1.1 SSW                 13.3                    
WHEAT RIDGE                          12.6                    
DENVER 3 SE                           9.5                    

...MONTANA...
REED POINT 8.6 WSW                    6.0                    
OUTLOOK 5.6 WNW                       5.0                    
RED LODGE 3.0 SW                      5.0                    

...NEBRASKA...
NORTH PLATTE                          5.3                    
KIMBALL                               3.5                    

...NEVADA...
GREAT BASIN NATIONAL PARK            16.0                    
MAJORS PLACE 10 NNW                   8.0                    
MCGILL 10 ESE                         8.0                    
AUSTIN                                6.0                    

...SOUTH DAKOTA...
DEWEY 4 SSE                           4.0                    
DOWNTOWN CUSTER 1 E                   4.0                    
DOWNTOWN HOT SPRINGS                  4.0                    
HERMOSA 7 W                           4.0                    
JEWEL CAVE 9 W                        4.0                    
DOWNTOWN RAPID CITY 7 SW              3.5                    
HERMOSA 1 SW                          3.0                    

...UTAH...
BRIGHTON CREST                       13.0                    
FLAMING GORGE DAM                    12.0                    
ALTAMONT                             10.0                    

...WYOMING...
LANDER 5.7 SW                        10.5                    
CHEYENNE 9.6 E                        9.0                    
SAVERY 28 E                           9.0                    
PINE BLUFFS 8.2 WSW                   7.1                    
ENCAMPMENT 11 SSE                     6.0                    
LARAMIE 10 SE                         6.0                    
BURNS 6.5 WNW                         5.9                    
PINEDALE 13.8 NW                      4.6                    
WARREN AFB 20 WSW                     4.2                    
ALBANY                                4.0                    
BUFORD 6 W                            4.0                    
RIVERSIDE 17 ENE                      3.6                    
CENTENNIAL                            3.0                    

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

...ARIZONA...
WINSLOW AIRPORT                       68                    
HOUSEROCK VALLEY                      63                    
SHOW LOW AIRPORT                      61                    

...COLORADO...
SILVERTON 2 SE                        86                    
BLENDE 4 NE                           66                    
ROYAL GORGE 11 S                      60                    

...WYOMING...
LARAMIE                               57                    


THE LOW PRESSURE SYSTEM IN THE CENTRAL ROCKIES IS FORECAST TO
BEGIN MOVING MORE STEADILY TOWARDS THE SOUTHEAST LATER TONIGHT. 
THIS WILL ALLOW MODERATE TO HEAVY SNOW BEHIND THE LOW PRESSURE
CENTER TO SPREAD BACK INTO THE MOUNTAINS AND FOOTHILL AREAS OF
CENTRAL COLORADO ON WEDNESDAY.  FARTHER NORTH IN THE NORTHERN
ROCKIES INTO THE NORTHERN PLAINS... LIGHT TO MODERATE SNOW IS
EXPECTED TO BECOME LIGHTER AND MORE SCATTERED ON WEDNESDAY.  STORM
TOTAL ACCUMULATIONS IN EXCESS OF 12 INCHES... WITH LOCALIZED
HIGHER AMOUNTS APPROACHING OR EXCEEDING TWO FEET ARE POSSIBLE IN
EASTERN WYOMING AS WELL AS FOR PORTIONS OF THE CENTRAL ROCKIES IN
COLORADO.  AS THE LOW MOVES OFF THE CENTRAL ROCKIES AND
INTENSIFIES IN THE CENTRAL PLAINS IN THE LATTER PART OF THE
WEEK...MORE SNOW IS EXPECTED TO SPREAD ACROSS THE NORTHERN PLAINS
INTO UPPER MIDWEST WHERE SNOW TOTALS OF FOUR TO EIGHT INCHES ARE
POSSIBLE.  IN ADDITION...MOISTURE RETURNING FROM THE GULF OF
MEXICO AHEAD OF THE LOW WILL INCREASE THE POTENTIAL OF HEAVY
RAINFALL IN THE GREAT LAKES AND MIDDLE MISSISSIPPI VALLEY DURING
THE LATTER HALF OF THE WEEK.

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

KONG




Last Updated: 1101 PM EDT TUE APR 16 2013