STORM SUMMARY NUMBER 4 FOR CENTRAL ROCKIES/GREAT PLAINS STORM 
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD  
1000 AM CDT SAT MAY 5 2007  
  
...LATE SEASON WINTER STORM AFFECTING PARTS OF THE CENTRAL ROCKIES
WHILE SEVERE THUNDERSTORMS AND HEAVY RAINFALL IMPACTS THE CENTRAL
PLAINS STATES...

*WINTER STORMS WARNINGS REMAIN IN EFFECT FOR PORTIONS OF THE
HIGHER TERRAIN IN CENTRAL AND NORTHERN WYOMING.

HEAVY SNOW WARNINGS REMAIN IN EFFECT FOR NORTH CENTRAL UTAH.

*SNOW ADVISORIES REMAIN IN EFFECT FOR PORTIONS OF WESTERN COLORADO
AND A SMALL PORTION OF CENTRAL WYOMING.

FLOOD AND FLASH FLOOD WATCHES ARE IN EFFECT FOR PARTS OF
KANSAS...EASTERN NEBRASKA...EASTERN SOUTH DAKOTA...SOUTHEASTERN
NORTH DAKOTA...WESTERN IOWA AND NORTHWESTERN MISSOURI.

FLOOD AND FLASH FLOOD WARNINGS ARE IN EFFECT FOR PARTS OF
KANSAS...EASTERN NEBRASKA...EASTERN SOUTH DAKOTA...SOUTHEASTERN
NORTH DAKOTA...WESTERN IOWA AND NORTHWESTERN MISSOURI.

AT 1000 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED
TO SHOW A FEW AREAS OF LIGHT TO MODERATE SNOW ACROSS PORTIONS OF
WYOMING AND A SMALL PORTION OF NORTH CENTRAL UTAH. LIGHT SNOW
SHOWERS REMAINED ACROSS COLORADO. EAST OF THE ROCKIES...A LINE OF
MODERATE TO HEAVY RAIN AND EMBEDDED THUNDERSTORMS...SOME OF WHICH
HAVE BEEN SEVERE...WAS OBSERVED ACROSS PARTS OF THE MIDDLE TO
UPPER MISSISSIPPI VALLEY AND CENTRAL PLAINS. THIS LINE WAS MOVING
EAST AND EXTENDED FROM CENTRAL IOWA...SOUTH AND WEST THROUGH
EASTERN KANSAS... AND DOWN TO WESTERN OKLAHOMA.  AREAS OF MODERATE
TO HEAVY RAIN WERE ALSO FALLING ACROSS THE NORTHERN PLAINS AND
PORTIONS OF THE TEXAS PANHANDLE.


...SELECTED RAINFALL TOTALS IN INCHES AS OF 9 AM CDT...

...SOUTH DAKOTA...

ABERDEEN                            8.42
CLARK                               4.47
HURON REGIONAL ARPT                 4.26
WEBSTER SCHOOL                      3.65
CHAMBERLAIN                         2.90
LEAD                                2.21 
FORT MEADE                          2.11 
WHITE LAKE                          2.09
WINNER                              2.44
WESSINGTON SPRINGS                  2.03              
SIOUX FALLS 5SE                     1.91

...NEBRASKA...

OMAHA                               5.73
TEKAMAH                             3.65
BLADEN 8.7SW                        3.49 
EDDYVILLE 11.4N                     3.36 
BERWYN 5.9SSW                       3.29 
OCONTO 0.9ESE                       3.28 
LINCOLN MUNICIPAL                   3.24 
AINSWORTH AIRPORT                   3.07 
VALLEY NWS OFFICE                   2.71 
BROKEN BOW                          2.02 
VALENTINE                           1.87 

...KANSAS...

GREAT BEND                          3.29
MANHATTAN                           2.71
MEDICINE LODGE                      2.14


...SELECTED SNOWFALL TOTALS IN INCHES AS OF 9 AM CDT...

...WYOMING...

SHERIDAN 19 SW                     28.0 
HOBBS PARK                         27.0
DAYTON 14 WSW                      25.0
MARQUETTE                          22.0 
ST LAWRENCE ALT                    20.0 
BURGESS JUNCTION                   20.0 
TOWNSEND CREEK                     19.0 
COLD SPRINGS                       19.0 
DOME LAKE                          18.0 
BIG GOOSE                          18.0 
LITTLE WARM                        18.0 
RENO HILL SNOTEL                   15.0 
GRAVE SPRINGS                      15.0 
SOUTH PASS                         13.0 
DEER PARK                          13.0 
ARMNITO 21N                        13.0 
CASPER MOUNTAIN                    12.0 
HANSEN SAWMILL                     12.0 

...COLORADO...

BLACK HAWK 3.8 E                   15.3 
WARD 4.6 NE                        14.8 
JAMESTOWN 3 W                      14.6
EVERGREEN 6 SW                     13.5
BAILEY 6.4 NNW                     12.9 
PINE JUNCTION                      12.5 
NEDERLAND                          11.8 
BOULDER 7 SW                        6.0

...UTAH...

ALTA COLLINS                        9.0
SNOWBIRD                            8.5
GOTHIC                              4.5
BRIGHTON CREST                      4.0
PAGOSA SPRINGS 12NW                 2.0

...MONTANA...

COLE CREEK                          6.0 
RED LODGE                           6.0 
ROSCOE 4SE                          6.0 
DEAN 11SW                           5.0 

AT 1000 AM CDT...AN AREA OF LOW PRESSURE WAS LOCATED IN WESTERN
SOUTH DAKOTA...NEAR RAPID CITY. THIS LOW IS FORECAST TO MOVE
NORTHWARD OVER THE NEXT 24 HOURS. A TRAILING COLD FRONT SOUTH OF
THIS LOW WILL SLOWLY DRIFT EAST AND REMAIN THE FOCUS FOR SEVERE
WEATHER AND HEAVY RAIN FOR THE SOUTHERN PLAINS UP TO SOUTH DAKOTA
AND IOWA. 1 TO 4 INCHES OF RAINFALL CAN BE EXPECTED IN PARTS OF
NEBRASKA...KANSAS...OKLAHOMA...IOWA...AND MISSOURI.

FARTHER WEST...IN THE NORTHERN AND CENTRAL ROCKIES...SEVERAL
ADDITIONAL INCHES OF SNOW ARE POSSIBLE ACROSS PORTIONS OF COLORADO
INTO WYOMING.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION AT 4 PM CDT. PLEASE REFER TO YOUR LOCAL NATIONAL
WEATHER SERVICE FORECAST OFFICE FOR ADDITIONAL INFORMATION ON THIS
EVENT.

OTTO