STORM SUMMARY NUMBER 1 FOR MAJOR CENTRAL U.S. STORM WITH FLOODING
RAIN AND HEAVY SNOW
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1000 PM CDT FRI APR 28 2017

...MAJOR SPRING STORM TO PRODUCE FLOODING RAINS FROM OKLAHOMA TO
OHIO AND MORE THAN A FOOT OF SNOW IN THE ROCKIES AND SOUTHERN HIGH
PLAINS...

FLASH FLOOD WATCHES ARE IN EFFECT FOR EASTERN OKLAHOMA NORTHWARD
TO SOUTHERN INDIANA...SOUTHWESTERN MICHIGAN...SOUTHWESTERN
OHIO...AND NORTHERN KENTUCKY. THESE REGIONS ALSO HAVE POCKETS OF
FLOOD WARNINGS AND ADVISORIES.

WINTER STORM WARNINGS AND ADVISORIES ARE IN EFFECT IN THE
MOUNTAINS OF SOUTHERN WYOMING...CENTRAL COLORADO...AND NORTHEAST
NEW MEXICO.

WINTER STORM WARNINGS ARE IN EFFECT FOR THE EASTERN PLAINS OF
COLORADO AND NORTHEAST NEW MEXICO...AS WELL AS FAR WESTERN
KANSAS...THE OKLAHOMA PANHANDLE...AND NORTHWEST TEXAS PANHANDLE.

WINTER STORM WATCHES ARE IN EFFECT FOR MUCH OF THE TEXAS
PANHANDLE...BEAVER COUNTY OKLAHOMA...AND PARTS OF WESTERN KANSAS
AND SOUTHERN NEBRASKA.

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

AT 1000 PM CDT...A SURFACE LOW WITH A CENTRAL PRESSURE OF 992
MB...29.29 INCHES...WAS LOCATED IN SOUTHEAST NEW MEXICO. LOW
PRESSURE WAS EXPANDING ALONG TWO LENGTHY FRONTAL BOUNDARIES THAT
STRETCHED FROM SOUTHERN NEW MEXICO OUT THROUGH THE SOUTHERN PLAINS
STATES AND INTO THE OHIO VALLEY. A LARGE AND STRONG HIGH PRESSURE
SYSTEM WAS LOCATED OVER THE WESTERN ATLANTIC...HELPING TO PRODUCE
SOUTHERLY WINDS OVER THE GULF COAST REGION...WHICH WAS DRAWING
MOIST AND UNSTABLE AIR RAPIDLY NORTHWARD INTO THE DEVELOPING STORM
SYSTEM OVER THE MIDDLE OF THE NATION. NATIONAL WEATHER SERVICE
DOPPLER RADARS AND SURFACE OBSERVATIONS REVEALED MODERATE RAIN
MOVING INTO OHIO AND CLUSTERS OF STRONGER THUNDERSTORMS DEVELOPING
NEAR THE CONFLUENCE REGION OF THE OHIO AND MISSISSIPPI RIVERS.
MODERATE RAIN WAS FALLING IN SOUTHWEST KANSAS AND THE OKLAHOMA
PANHANDLE AND LIGHT TO MODERATE SNOW WAS FALLING FROM WYOMING TO
CENTRAL COLORADO. 

...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 1200 PM CDT FRI
APR 28 THROUGH 1000 PM CDT FRI APR 28...

...COLORADO...
AURORA 5 SE                           5.0                    
AIR FORCE ACADEMY 4 ENE               2.8                    
GREELEY 3 W                           2.0                    
WESTCLIFFE 5 W                        2.0                    
DIVIDE                                1.5                    

...MONTANA...
FISHTAIL 18 SW                       17.0                    
RED LODGE 1 S                        12.5                    
RED LODGE 5 N                         5.0                    

...NEBRASKA...
LISCO                                 3.5                    
STAPLETON 5 W                         2.4                    
OSHKOSH 10 NE                         1.0                    

...SOUTH DAKOTA...
PRINGLE                               7.0                    
ORAL                                  5.0                    
HILL CITY                             3.0                    

...WYOMING...
ALTA 6 ENE                           29.0                    
JACKSON HOLE RENDEZVOUS              21.0                    
CODY 18 SW                           20.0                    
YELLOWSTONE SOUTH ENTRANCE 8 W       19.0                    
ATLANTIC CITY                        14.5                    
GILLETTE 5 SSW                       13.0                    
MOOSE                                11.0                    
LANDER 7 SE                          10.0                    
RIVERTON                              6.9                    
CASPER 6 W                            2.3                    
GLENROCK                              1.0                    

...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 1200 PM CDT FRI
APR 28 THROUGH 1000 PM CDT FRI APR 28...

...INDIANA...
BLOOMINGTON                           1.05                    


A LARGE AND INTENSE STORM SYSTEM DEVELOPING OVER THE MIDDLE OF THE
NATION WILL PRODUCE HEAVY SNOW IN THE SOUTHERN ROCKIES AND
ADJACENT HIGH PLAINS...AND A WIDESPREAD HEAVY RAIN EVENT
DOWNSTREAM ACROSS MUCH OF THE CENTRAL UNITED STATES FROM FRIDAY
NIGHT THROUGH SUNDAY. SNOW ACCUMULATIONS OF 6 TO 12 INCHES OR
MORE...ARE EXPECTED IN THE MOUNTAINS...BUT ALSO AWAY FROM THE
MOUNTAINS AS FAR EAST AS KANSAS AND THE OKLAHOMA AND TEXAS
PANHANDLES. HEAVY SNOW ON LEAFED OUT TREES MAY MEAN POWER OUTAGES.
GUSTY WINDS WILL PRODUCE VERY LOW VISIBILITY. THIS SAME EVENT WILL
BRING FLASH FLOODING...RIVER FLOODING...AND SEVERE WEATHER TO
PORTIONS OF THE SOUTHERN PLAINS...MIDDLE AND LOWER MISSISSIPPI
VALLEYS...AND EASTWARD INTO PORTIONS OF THE OHIO AND TENNESSEE
VALLEYS. THE INITIAL FOCUS OF HEAVIER CONVECTIVE RAINS IS EXPECTED
ALONG THE STATIONARY FRONTAL BOUNDARY THAT WILL SET UP FROM
OKLAHOMA EAST-NORTHEASTWARD INTO THE OHIO VALLEY BEGINNING FRIDAY
NIGHT. STORMS WILL GRADUALLY INCREASE AND EXPAND BOTH NORTHWARD
INTO THE GREAT LAKES AND SOUTHWARD INTO MORE OF THE SOUTHERN
PLAINS ON SATURDAY AND SUNDAY. THIS SLOW MOVING STORM WILL BRING
COPIOUS AMOUNTS OF RAIN...WIDESPREAD 3 TO 6 INCHES...AND ISOLATED
AMOUNTS OVER 8 INCHES. DANGEROUS FLOODING IS EXPECTED...INCLUDING
SOME AREAS THAT DO NOT USUALLY FLOOD. THE OZARKS AND AREAS
BORDERING THE OZARKS IN MISSOURI AND ARKANSAS ARE AT A
PARTICULARLY HIGH RISK FROM FLOODING. PLEASE STAY NEAR A SOURCE OF
WEATHER INFORMATION AND HEED WARNINGS. 

THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 400 AM CDT. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.

BURKE