THE HYDROMETEOROLOGICAL PREDICTION CENTER

CAMP SPRINGS, MD


STORM SUMMARY MESSAGE



STORM SUMMARY NUMBER 7 FOR EARLY WINTER STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
300 PM CST SAT DEC 1 2007

...WHILE MIXED PRECIPITATION LINGERS ACROSS THE SOUTHWEST AND
ROCKIES...SNOW...SLEET AND FREEZING RAIN MAKE TRAVEL MISERABLE
ACROSS THE CENTRAL AND NORTHERN PLAINS INTO THE MIDWEST AND GREAT
LAKES STATES... 

FLOOD ADVISORIES ARE IN EFFECT FOR MUCH OF CENTRAL AND NORTHERN
ARIZONA.

A BLIZZARD WARNING CONTINUES TO BE IN EFFECT FOR A SMALL PORTION
OF SOUTHWESTERN COLORADO WITH THE POTENTIAL FOR AVALANCHES.

HEAVY SNOW WARNINGS ARE IN EFFECT FOR THE MOUNTAINS OF
NORTHEASTERN UTAH AND NORTHWESTERN COLORADO.  

WINTER STORM WARNINGS ARE IN EFFECT FOR SEVERAL REGIONS AROUND THE
NATION...INCLUDING PORTIONS OF UTAH...WESTERN COLORADO...NORTHERN
NEW MEXICO AND A SMALL PORTION OF SOUTHERN WYOMING.  A SECOND
REGION INCLUDES LARGE AREAS OF EASTERN SOUTH DAKOTA...SOUTHEASTERN
NORTH DAKOTA...MUCH OF MINNESOTA...NORTHERN
IOWA...WISCONSIN...NORTHERN ILLINOIS AND MUCH OF MICHIGAN (EXCEPT
THE LOWER THIRD OF THE LOWER PENINSULA).  WINTER STORM WARNINGS
ARE ALSO POSTED FOR A SMALL PORTION OF EASTERN
PENNSYLVANIA...NORTHWESTERN NEW JERSEY...NORTHERN NEW YORK AND
VERMONT.

SNOW...BLOWING SNOW AND WINTER WEATHER ADVISORIES ARE IN EFFECT
FOR MANY AREAS AS WELL...INCLUDING THE GREAT SALT LAKE AREA OF
UTAH...CENTRAL AND EASTERN WYOMING..CENTRAL AND WESTERN SOUTH
DAKOTA...EASTERN NORTH DAKOTA AND NORTHERN WISCONSIN...NORTHERN
NEBRASKA...SOUTHERN SOUTH DAKOTA...NORTHERN INDIANA...CENTRAL AND
NORTHERN OHIO...WESTERN PENNSYLVANIA...CENTRAL AND NORTHERN NEW
JERSEY...AND SOUTHERN AND SOUTHWEST NEW YORK.

ICE STORM WARNINGS COVER PORTIONS OF CENTRAL NEBRASKA...SOUTHERN
IOWA...AND NORTHWESTERN ILLINOIS.

FREEZING RAIN ADVISORIES COVER SIMILAR AREAS AS THE ICE STORM
WARNINGS WHICH ARE IN EFFECT ACROSS NORTHWESTERN AND EXTREME
NORTHEASTERN KANSAS...PARTS OF NORTHERN MISSOURI...CENTRAL
ILLINOIS...AND A SMALL PORTION OF CENTRAL COLORADO.

WINTER STORM WATCHES ARE IN EFFECT FOR CENTRAL
PENNSYLVANIA...EASTERN NEW YORK...VERMONT...WESTERN MASSACHUSETTS
AND NORTHWESTERN CONNECTICUT.

THIS IS LIKELY TO BE A LARGE AND WIDESPREAD WINTER STORM AND
FORECASTS MAY BE UPDATED FREQUENTLY.  TO GET THE LATEST
UPDATES...PLEASE VIEW A GRAPHICAL DEPICTION OF CURRENT WATCHES AND
WARNINGS ACROSS THE UNITED STATES AVAILABLE AT: WWW.WEATHER.GOV

AT 235PM CST...NATIONAL WEATHER SERVICE RADARS SHOWED CLUSTERS OF
HEAVY SHOWERS FROM NEAR PHOENIX TOWARD EAST-CENTRAL ARIZONA. 
SCATTERED RAIN AND SNOW HOWERS WERE OBSERVED OVER PORTIONS OF
UTAH...WESTERN COLORADO...NORTHERN NEW MEXICO AND WYOMING.  SNOW
WAS FALLING ACROSS MUCH OF SOUTH DAKOTA...CENTRAL AND EASTERN
NORTH DAKOTA...MINNESOTA...WISCONSIN...NORTHERN IOWA INTO THE
CHICAGO METROPOLITAN AREA.  FREEZING RAIN AND SLEET ARE REPORTED
IN NORTHEASTERN NEBRASKA..CENTRAL AND EASTERN IOWA...AND PORTIONS
OF NORTHERN ILLINOIS AND SOUTHERN WISCONSIN.  

...SELECTED STORM TOTAL RAINFALL AMOUNTS IN INCHES FROM 6OO AM CST
THUR NOV 29 THROUGH 300 PM CST SAT DEC 1...

...ARIZONA...

MOUNT LEMMON                                 4.80
MUNDS PART				     4.20
FRAESFIELD MOUNTAIN                          4.06
PHOENIX DEER VALLEY			     3.78
FLAGSTAFF				     3.71
WHITE TAIL NEAR PALISADES                    3.59
DAN SADDLE                                   3.30
SCOTTSDALE MCDOWELL MOUNTAIN P               2.72
GRAND CANYON PARK			     2.69
KINGMAN					     2.41
PHOENIX SKUNK CREEK @I-17		     2.32
TUCSON ESTATES         		             2.05
SCOTTSDALE MUNI ARPT                         2.03
FLAGSTAFF PULLIAM AIRPORT                    1.98
PRESCOTT LOVE FIELD			     1.73 
PHOENIX SKY HARBOR AIRPORT                   1.27
TUCSON NATIONAL WEATHER SERVICE OFFICE       1.23

...CALIFORNIA...

CAMP PENDLETON MCAF                          2.86
CARLSBAD/MCCLELLAN-PALOMAR APT               2.74
OCEANSIDE                                    2.71
RAMONA                                       2.60
MARCH AFB/RIVERSIDE                          2.31
TANBARK                                      1.94
TWENTYNINE PALMS                             1.91 
CLAREMONT                                    1.68 
NEEDLES					     1.65
SAN DIEGO/MONTGOMERY FIELD                   1.60
BARSTOW/DAGGETT				     1.57
SANTA ANA/JOHN WAYNE ARPT                    1.17
LOS ALAMITOS AAF                             1.15
BLYTHE					     1.06
PALMDALE                                     0.75 (DAILY RECORD)
DOWNTOWN LOS ANGELES                         0.56

...NEVADA...

BUNKERVILLE				     1.88
MESQUITE 2NE				     1.82
LAS VEGAS INTL AIRPT			     1.27 

...UTAH...

ST. GEORGE 		                     3.02
CEDAR POINT				     2.23 
BLANDING                                     1.70
CEDAR CITY				     1.62
BRYCE CANYON				     1.21 

...COLORADO...

VALLECITO DAM				     3.30
DURANGO 7.1 N                                2.73
CORTEZ					     1.75
LEADVILLE				     1.07 (MELTED SNOW)        

...NEW MEXICO...

CLOUDCROFT 1.8 SW                            2.25
SUNSPOT 0.07 N                               2.10 
SILVER CITY 3.4 N                            2.05 
RUIDOSO 3.9 NNW                              2.00 
VIRDEN 30.1 N                                1.60 

...SELECTED STORM TOTAL SNOWFALL AMOUNTS IN INCHES FROM 6OO AM CST
THUR NOV 29 THROUGH 900 AM CST SAT DEC 1...

...UTAH...

BRIAN HEAD				     20.0
SUNDANCE				     12.5
UPPER MILL CREEK			      9.0
SNOWBIRD				      8.0
SALT LAKE CITY INTL AIRPORT		      6.0
SOUTH OGDEN				      6.0

...COLORADO...

LANDS END				     24.0
COALBANK PASS				     22.0
MOLAS PASS				     20.0
GOTHIC					     17.5
RED MOUNTAIN PASS			     17.0
STEAMBOAT SPRINGS 23 MI NE		     12.0
SOUTH FORK 4.1 SW                            11.3 
FAIR PLAY 2.7 WNW                             8.5 

...WYOMING...

MOOSE 0.4 S                                   5.0 
THAYNE 4.2 NNE                                4.3 
ROCK RIVER 9.6 WSW                            3.9 
DAYTON 11.9 WNW                               3.0


PRECIPITATION OVER THE SOUTHWEST AND CENTRAL ROCKIES WILL
GRADUALLY END  BY EARLY SUNDAY.  LOW PRESSURE OVER COLORADO WILL
MOVE AND REDEVELOP NORTHEASTWARD ACROSS EASTERN NEBRASKA AND THEN
MOVE TO SOUTHERN WISCONSIN BY SUNDAY MORNING. SNOW...SLEET AND
FREEZING RAIN WILL CHANGE TO ALL RAIN NEAR AND TO THE EAST OF THE
LOW CENTER ACROSS MUCH OF CENTRAL AND SOUTHERN IOWA...NORTHERN
ILLINOIS AND SOUTHERN WISCONSIN.  

NORTH AND WEST OF THE LOW TRACK...MUCH OF THE PRECIPITATION WILL
FALL AS ALL SNOW FROM NORTHERN UTAH...WYOMING...SOUTH DAKOTA
(EXCEPT THE SOUTHEAST)...NORTH DAKOTA AND CENTRAL AND NORTHERN
MINNESOTA.  MIXED SNOW...FREEZING RAIN AND SLEET WILL AFFECT MUCH
OF CENTRAL AND SOUTHERN MINNESOTA...CENTRAL AND NORTHERN WISCONSIN
AND MICHIGAN. 

AS THE STORM CONTINUES TO MOVE NORTHEASTWARD TOWARD THE GREAT
LAKES...MIXED SNOW...SLEET AND FREEZING RAIN WILL MOVE ACROSS
PORTIONS OF THE NORTHEAST FROM PENNSYLVANIA NORTHEASTWARD INTO NEW
ENGLAND ON SUNDAY INTO MONDAY. BY MONDAY A NEW LOW PRESSURE SYSTEM
MAY REDEVLOP OFF THE NEW ENGLAND COAST...BRINGING THE POSSIBILITY
OF HEAVY SNOW TO NORTHERN NEW ENGLAND AND MAINE.

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL
PREDICTION CENTER AT 9 PM CST. PLEASE REFER TO YOUR LOCAL NATIONAL
WEATHER SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.

KOCIN




Last Updated: 410 PM EST SAT DEC 01 2007