STORM SUMMARY NUMBER 1 FOR MAJOR GREAT PLAINS STORM
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
900 PM CST WED FEB 28 2007

...MAJOR STORM CURRENTLY ORGANIZING OVER THE CENTRAL PLAINS
EXPECTED TO BRING A VARIETY OF WEATHER FROM HEAVY SNOW...HEAVY
RAIN AND SEVERE WEATHER TO PORTIONS OF THE COUNTRY OVER THE NEXT
COUPLE OF DAYS...

BLIZZARD WARNINGS ARE IN EFFECT FOR PORTIONS OF WESTERN
IOWA...NORTHEASTERN NEBRASKA...SOUTHEASTERN SOUTH DAKOTA...AND
SOUTHWESTERN MINNESOTA AS WELL AS ALONG SECTIONS OF THE WESTERN
SHORE OF LAKE SUPERIOR IN MINNESOTA AND WISCONSIN.

BLIZZARD WATCHES ARE IN EFFECT FOR PORTIONS OF SOUTH CENTRAL
IOWA...AND SOUTH DAKOTA.

WINTER STORM WARNINGS ARE IN EFFECT FOR PORTIONS OF SOUTHWESTERN
IOWA...SOUTHEASTERN NEBRASKA...EASTERN NORTH DAKOTA...NORTHEASTERN
SOUTH DAKOTA...MINNESOTA...MUCH OF WISCONSIN...AND NORTHERN
MICHIGAN INCLUDING THE UPPER PENINSULA.

WINTER STORM WATCHES ARE IN EFFECT FOR PORTIONS OF EASTERN IOWA
AND NORTHERN ILLINOIS. WINTER STORM WATCHES HAVE ALSO BEEN ISSUED
FOR PORTIONS OF NEW ENGLAND INCLUDING EASTERN NEW YORK...WESTERN
MASSACHUSETTS...ALL OF VERMONT...NEW HAMPSHIRE...AND MAINE.

FREEZING RAIN ADVISORIES ARE IN EFFECT FOR PORTIONS OF SOUTHERN
MICHIGAN...NORTHEASTERN INDIANA...AND NORTHWESTERN OHIO.

FLOOD AND FLASH FLOOD WARNINGS ARE IN EFFECT FOR PORTIONS OF
NORTHWESTERN MISSOURI...EASTERN KANSAS...ILLINOIS...AND INDIANA.

FLOOD WATCHES ARE IN EFFECT FOR PORTIONS OF
MISSOURI...SOUTHEASTERN IOWA...ILLINOIS...INDIANA...NORTHERN
OHIO...PENNSYLVANIA...EXTREME NORTHEASTERN MARYLAND...NORTHERN
DELAWARE...WESTERN NEW JERSEY...SOUTHEASTERN NEW YORK AND WESTERN
CONNECTICUT.

TORNADO WATCHES ARE IN EFFECT FOR NORTHEASTERN OKLAHOMA...EASTERN
KANSAS AND WESTERN MISSOURI.  A SEVERE THUNDERSTORM WATCH IS IN
EFFECT ACROSS NORTHEASTERN KANSAS AND NORTHERN MISSOURI.

AT 9 PM CST...AN UPPER LEVEL LOW PRESSURE CENTER WAS LOCATED ALONG
THE MONTANA/NORTH DAKOTA BORDER...WHILE AN ELONGATED AREA OF LOW
PRESSURE WAS LOCATED ACROSS THE SOUTHERN PLAINS FROM THE TEXAS
PANHANDLE INTO SOUTHEASTERN KANSAS. AS THE UPPER LEVEL LOW PUSHES
NORTHWARD INTO SOUTHERN CANADA...THE ELONGATED AREA OF LOW
PRESSURE IS EXPECTED TO CONSOLIDATE INTO ONE DEEPENING AREA OF LOW
PRESSURE...MOVING NORTHEASTWARD TONIGHT ACROSS THE SOUTHERN PLAINS
AND THEN NORTHWARD INTO THE UPPER MISSISSIPPI VALLEY REGION DURING
THURSDAY. THIS STORM IS EXPECTED TO BECOME NEARLY STATIONARY
THURSDAY NIGHT INTO FRIDAY IN THE VICINITY OF SOUTHERN WISCONSIN.
AT THIS TIME...A SECONDARY AREA OF LOW PRESSURE IS EXPECTED TO
DEVELOP ALONG THE MID ATLANTIC COAST AND MOVE NORTHEASTWARD ALONG
THE SOUTHERN COAST OF NEW ENGLAND FRIDAY.  

...SELECTED STORM TOTAL SNOWFALL ACCUMULATIONS IN INCHES AS OF 800
PM CST...

...NORTH DAKOTA...

FORT RANSOM                   8.0 
HEBRON                        8.0 
LITCHVILLE                    7.5 
DUNN CENTER                   7.0 
ASHLEY 7NE                    6.0  
MINOT AIR BASE                6.0 
CLEVELAND                     6.0  
BISMARCK                      4.5  
DICKINSON                     4.5
HAZELTON                      3.9

THE LATEST NOAA NATIONAL WEATHER SERVICE RADARS ARE SHOWING A
LARGE REGION OF PRECIPITATION ASSOCIATED WITH THIS DEVELOPING
STORM...AND THE UPPER LEVEL LOW OVER THE NORTHERN PLAINS
PROCEEDING THIS STORM... FALLING ACROSS PORTIONS OF THE NORTHERN
PLAINS...CENTRAL PLAINS AND INTO THE UPPER MISSISSIPPI
VALLEY/LOWER GREAT LAKES REGION. MOST OF THIS PRECIPITATION IS
FALLING AS SNOW ACROSS THESE REGIONS. THE EXCEPTION IS ACROSS
EASTERN PORTIONS OF THE CENTRAL PLAINS WHERE THUNDERSTORMS ARE
PRODUCING HEAVY RAINS AND SEVERE WEATHER.

HEAVY SNOWFALL IS EXPECTED TO CONTINUE TO FALL TO THE EAST OF THE
NORTHERN PLAINS UPPER LEVEL LOW ACROSS EASTERN SECTIONS OF NORTH
DAKOTA...EASTERN SECTIONS OF SOUTH DAKOTA...MINNESOTA AND PORTIONS
OF WISCONSIN TONIGHT INTO EARLY THURSDAY. AS THE AREA OF LOW
PRESSURE DEEPENS OVER THE SOUTHERN PLAINS AND MOVES INTO THE
MIDDLE MISSISSIPPI VALLEY...ADDITIONAL HEAVY SNOWS WILL SPREAD
NORTHEASTWARD ACROSS EASTERN SECTIONS OF THE CENTRAL PLAINS AND
INTO THE UPPER MISSISSIPPI VALLEY THROUGH THURSDAY. AS THIS AREA
OF LOW PRESSURE BECOMES NEARLY STATIONARY OVER THE UPPER
MISSISSIPPI REGION...THE HEAVY SNOW THREAT WILL CONTINUE FOR THE
UPPER MISSISSIPPI VALLEY AND INTO THE UPPER GREAT LAKES REGION
INTO FRIDAY. SNOWFALL TOTALS FOR THIS STORM WILL LIKELY BE IN THE
1 TO 2 FOOT RANGE FROM NORTHWESTERN IOWA...EASTERN SOUTH
DAKOTA...EASTERN NORTH DAKOTA...MUCH OF MINNESOTA...NORTHERN
WISCONSIN AND THE UPPER PENINSULA OF MICHIGAN.  

AS THE SECONDARY AREA OF LOW PRESSURE FORMS ALONG THE MIDDLE
ATLANTIC COAST ON THURSDAY...THE THREAT OF HEAVY SNOW WILL EXPAND
INTO NORTHERN NEW YORK STATE...CENTRAL AND NORTHERN NEW ENGLAND.
SNOWFALL TOTALS OF 6-12 INCHES ARE POSSIBLE THURSDAY NIGHT INTO
FRIDAY ACROSS THESE REGIONS. IN ADDITION TO THE HEAVY SNOW
THREAT...THERE WILL BE A THREAT FOR FREEZING RAIN OVER PORTIONS OF
THE GREAT LAKES EASTWARD INTO CENTRAL AND EASTERN NEW YORK STATE.
ICE ACCUMULATIONS OF .10 TO .25" POSSIBLE ACROSS THESE REGIONS.

IN ADDITION TO THE HEAVY SNOW THREAT FROM THIS DEVELOPING
STORM...THERE WILL ALSO BE A SIGNIFICANT THREAT OF SEVERE
THUNDERSTORMS ALONG THE COLD FRONT EXPECTED TO STRETCH SOUTHWARD
FROM THIS LOW. THIS COLD FRONT IS EXPECTED TO PUSH QUICKLY
EASTWARD WEDNESDAY NIGHT FROM THE CENTRAL AND SOUTHERN
PLAINS...INTO THE MIDDLE TO LOWER MISSISSIPPI RIVER VALLEY EARLY
THURSDAY. THIS FRONT IS EXPECTED TO CONTINUE TO PUSH QUICKLY
EASTWARD THURSDAY INTO EARLY FRIDAY ACROSS THE OHIO
VALLEY...TENNESSEE VALLEY AND THE SOUTHEASTERN U.S....WITH THE
SEVERE WEATHER THREAT PUSHING EASTWARD WITH THIS FRONT.  DAMAGING
WINDS...LARGE HAIL AND TORNADOES ARE POSSIBLE FROM THE
THUNDERSTORMS THAT FORM ALONG AND AHEAD OF THIS COLD FRONT.

SNOWFALL DATA WERE OBTAINED FROM NWS LOCAL STORM REPORTS...NWS
PUBLIC INFORMATION STATEMENTS AND FROM COCORAHS. THE NEXT STORM
SUMMARY WILL BE ISSUED BY THE HYDROMETEOROLOGICAL PREDICTION
CENTER AT 300 AM CST.  PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE FORECAST OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT. 

OTTO/ORAVEC