THE WEATHER PREDICTION CENTER
COLLEGE PARK, MD
STORM SUMMARY MESSAGE
STORM SUMMARY NUMBER 4 FOR MAJOR CENTRAL U.S. STORM WITH FLOODING
RAIN AND HEAVY SNOW
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1000 AM CDT SAT APR 29 2017
...MAJOR SPRING STORM TO PRODUCE FLOODING RAINS FROM OKLAHOMA TO
OHIO AND SIGNIFICANT SNOW IN THE ROCKIES AND WESTERN HIGH PLAINS...
WINTER STORM WATCHES ARE IN EFFECT FOR PORTIONS OF CENTRAL
NEBRASKA.
WINTER STORM WARNINGS ARE IN EFFECT FOR NORTHEASTERN NEW
MEXICO...SOUTHEASTERN COLORADO...AND ADJACENT AREAS OF THE TEXAS
AND OKLAHOMA PANHANDLES...WESTERN KANSAS...AND SOUTHWESTERN
NEBRASKA.
FLASH FLOOD WATCHES ARE IN EFFECT FROM CENTRAL OKLAHOMA TO
SOUTHERN OHIO AND ALSO EXTENDING INTO SOUTHWEST MICHIGAN. THERE
ARE ALSO WIDEPSREAD FLASH FLOOD WARNINGS AND FLOOD ADVISORIES
WITHIN THE WATCH AREAS.
FOR A DETAILED GRAPHICAL DEPICTION OF THE LATEST
WATCHES...WARNINGS AND ADVISORIES...PLEASE SEE WWW.WEATHER.GOV
AT 900 AM CDT...A SURFACE LOW WITH A CENTRAL PRESSURE OF 998
MB...29.47 INCHES...WAS LOCATED OVER NORTH CENTRAL TEXAS. LOW
PRESSURE WAS EXPANDING ALONG A LENGTHY FRONTAL BOUNDARY THAT
STRETCHED FROM WESTERN TEXAS TO THE OHIO VALLEY. A LARGE BERMUDA
HIGH OVER WESTERN ATLANTIC IS PRODUCING SOUTHERLY WINDS OVER THE
GULF COAST REGION AND IS 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 INDICATED WIDESPREAD MODERATE TO HEAVY RAIN FROM
OKLAHOMA TO OHIO, WITH EMBEDDED CLUSTERS OF STRONGER
THUNDERSTORMS. LIGHT TO MODERATE SNOW WAS FALLING FROM CENTRAL
COLORADO TO THE TEXAS PANHANDLE.
...SELECTED STORM TOTAL SNOWFALL IN INCHES FROM 1200 PM CDT FRI
APR 28 THROUGH 900 AM CDT SAT APR 29...
...COLORADO...
RYE 1 WSW 16.9
GOLDEN 12 NW 11.1
BLENDE 12 SSW 11.0
PUEBLO 4 SW 9.0
MAYSVILLE 8.0
MONUMENT 7.0
AURORA 5 SE 5.0
AIR FORCE ACADEMY 4 ENE 2.8
DENVER 5 ENE 2.7
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
BURGESS JUNCTION 4.0
...NEBRASKA...
MONTROSE 12 SE 7.0
ALLIANCE 4.0
LISCO 3.5
SCOTTSBLUFF 10 NE 3.0
ANGORA 3 E 2.5
STAPLETON 5 W 2.4
BAYARD 2.0
OSHKOSH 10 NE 1.0
...SOUTH DAKOTA...
PRINGLE 7.0
ORAL 5.0
HILL CITY 3.0
...TEXAS...
TEXLINE 4.5
...WYOMING...
LANDER 12 SW 33.0
ALTA 6 ENE 29.0
ATLANTIC CITY 7 NW 29.0
CODY 18 SW 25.0
JACKSON HOLE 10 NNW 23.0
COMMISSARY RIDGE 21.0
MEETEETSE 30 SW 19.0
YELLOWSTONE SOUTH ENTRANCE 8 W 19.0
CASPER 8 S 14.0
GILLETTE 5 SSW 13.0
MOOSE 11.0
RIVERTON 9.9
...SELECTED STORM TOTAL RAINFALL IN INCHES FROM 1200 PM CDT FRI
APR 28 THROUGH 900 AM CDT SAT APR 29...
...ARKANSAS...
FAYETTEVILLE 3.02
BENTONVILLE 2.60
...ILLINOIS...
CARBONDALE 3.25
HARRISBURG 1.69
...INDIANA...
EVANSVILLE 4.37
INDIANAPOLIS 2.02
SHELBYVILLE 1.83
...MISSOURI...
FARMINGTON 2.67
ST. LOUIS 1.55
...OHIO...
WILMINGTON 1.81
DAYTON 1.79
HAMILTON 1.65
...OKLAHOMA...
STILLWATER 2.63
OKLAHOMA CITY 1.98
A LARGE AND INTENSE STORM SYSTEM DEVELOPING OVER THE MIDDLE OF THE
NATION WILL PRODUCE HEAVY SNOW FOR THE SOUTHERN ROCKIES AND
ADJACENT WESTERN HIGH PLAINS...AND A WIDESPREAD HEAVY RAIN EVENT
DOWNSTREAM ACROSS MUCH OF THE CENTRAL UNITED STATES FROM SATURDAY
MORNING THROUGH SUNDAY. ADDITIONAL SNOW ACCUMULATIONS OF 3 TO 6
INCHES ARE LIKELY TODAY OVER THE FRONTAL RANGE OF THE ROCKIES AND
THE ADJACENT WESTERN PLAINS. GUSTY WINDS WILL PRODUCE AREAS OF
GREATLY REDUCED 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 THROUGH EARLY SATURDAY.
STORMS WILL GRADUALLY INCREASE AND EXPAND BOTH NORTHWARD INTO THE
GREAT LAKES AND SOUTHWARD INTO MORE OF THE SOUTHERN PLAINS LATER
ON SATURDAY AND INTO SUNDAY. THIS SLOW MOVING STORM WILL BRING
COPIOUS AMOUNTS OF RAIN...WITH WIDESPREAD 3 TO 6 INCH
AMOUNTS...AND ISOLATED AMOUNTS OVER 8 INCHES. FLASH 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.
THE NEXT STORM SUMMARY WILL BE ISSUED BY THE WEATHER PREDICTION
CENTER AT 400 PM CDT. PLEASE REFER TO YOUR LOCAL NATIONAL WEATHER
SERVICE OFFICE FOR ADDITIONAL INFORMATION ON THIS EVENT.
HAMRICK
Last Updated: 1056 AM EDT SAT APR 29 2017