Severe weather was widespread across eastern Colorado and northwest Kansas on May 9, 2015. The number of tornadoes that occurred is still being determined. However, two long tracked supercell thunderstorms, which produced tornadoes, occurred during the late afternoon and evening. The first supercell developed in Kiowa County, Colorado, and tracked north across Cheyenne and southern Kit Carson Counties. The other developed in northern Lane County, Kansas, and tracked north across Gove, Sheridan and Decatur Counties in Kansas into Red Willow County, Nebraska.
Some damage has been reported with these tornadoes. Some irrigation pivots were destroyed in Gove County and powerlines were knocked down in Decatur County. There was one instance of structural damage on a farm that was reported. The vast majority of these tornadoes remained over open fields with no additional damage reported. Widespread heavy rainfall fell across portions of the area and flooded roadways, fields and draws were reported in Sherman and Cheyenne Counties in Kansas.
Here is an interactive link to all the local tornado, hail and flooding reports.
Here is a map showing all the storm reports:
PRELIMINARY LOCAL STORM REPORT...SUMMARY NATIONAL WEATHER SERVICE GOODLAND KS 311 PM MDT SUN MAY 10 2015 ..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON... ..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.... ..REMARKS.. 0501 PM TORNADO 13 NE EADS 38.62N 102.61W 05/09/2015 CHEYENNE CO TRAINED SPOTTER SPOTTER CONFIRMED TORNADO ON THE GROUND. 0510 PM TORNADO 12 SSW FIRSTVIEW 38.65N 102.59W 05/09/2015 CHEYENNE CO TRAINED SPOTTER TORNADO PICKED UP AND TOUCHED BACK DOWN. 0520 PM TORNADO 7 S FIRSTVIEW 38.72N 102.54W 05/09/2015 CHEYENNE CO TRAINED SPOTTER TORNADO ON THE GROUND. 0524 PM TORNADO 6 S FIRSTVIEW 38.74N 102.51W 05/09/2015 CHEYENNE CO TRAINED SPOTTER TORNADO BACK ON THE GROUND. BRIEF TORNADO LIFTED AND ANOTHER TORNADO TOUCHED DOWN IMMEDIATELY AFTERWARDS. 0525 PM HAIL 7 S HAIGLER 39.90N 101.93W 05/09/2015 E0.88 INCH CHEYENNE KS TRAINED SPOTTER SPOTTER REPORTS NICKEL SIZED HAIL FELL FOR SEVERAL MINUTES. 0526 PM HAIL 2 E FIRSTVIEW 38.82N 102.49W 05/09/2015 E2.00 INCH CHEYENNE CO TRAINED SPOTTER 0535 PM TORNADO 2 SSE FIRSTVIEW 38.79N 102.52W 05/09/2015 CHEYENNE CO TRAINED SPOTTER TORNADO ON THE GROUND INTERMITTENTLY. 0614 PM HAIL 16 S BURLINGTON 39.07N 102.27W 05/09/2015 E1.00 INCH KIT CARSON CO TRAINED SPOTTER SPOTTER REPORT OF NICKEL TO QUARTER SIZED HAIL. 0630 PM HAIL 10 S BURLINGTON 39.16N 102.27W 05/09/2015 M1.00 INCH KIT CARSON CO TRAINED SPOTTER 0632 PM TORNADO 4 SSW SAINT PETER 39.14N 100.11W 05/09/2015 GRAHAM KS LAW ENFORCEMENT LAW ENFORCEMENT REPORTS A TORNADO NORTH OF INTERSTATE 70 MILE MARKER 108. 0652 PM HAIL 3 S BURLINGTON 39.26N 102.28W 05/09/2015 E1.25 INCH KIT CARSON CO TRAINED SPOTTER STORM SPOTTER REPORT OF 1.25 INCH HAIL COVERING THE ROAD. 0655 PM TORNADO 3 WSW SAINT PETER 39.18N 100.14W 05/09/2015 GRAHAM KS TRAINED SPOTTER SPOTTER REPORTS A TORNADO ON THE GROUND. 0658 PM TORNADO 2 SSW SAINT PETER 39.16N 100.10W 05/09/2015 GRAHAM KS BROADCAST MEDIA TORNADO ON THE GROUND. REPORTED BY KWCH. ALSO REPORTED BY LOCAL DISPATCH AND SPOTTERS. 0700 PM TORNADO 7 NE THE MONUMENT ROCKS 38.86N 100.69W 05/09/2015 GOVE KS STORM CHASER SPOTTER REPORTS A LARGE TORNADO ON THE GROUND. 0708 PM TORNADO 10 NNE THE MONUMENT ROC 38.90N 100.68W 05/09/2015 GOVE KS PUBLIC CALLER REPORTS A SMALL TORNADO ON THE GROUND. 0712 PM TORNADO 10 NNE THE MONUMENT ROC 38.90N 100.68W 05/09/2015 GOVE KS TRAINED SPOTTER TORNADO ON THE GROUND. LIVE ON KWCH. 0716 PM TORNADO 10 WSW GOVE 38.93N 100.67W 05/09/2015 GOVE KS EMERGENCY MNGR EMERGENCY MANAGER REPORTS A TORNADO ON THE GROUND INTERMITTENTLY. 0716 PM FUNNEL CLOUD 10 W GOVE 38.97N 100.67W 05/09/2015 GOVE KS EMERGENCY MNGR EMERGENCY MANAGER REPORTS A FUNNEL CLOUD WEST OF GOVE 2 MILES NORTH OF ROAD S. 0716 PM TORNADO 10 WSW GOVE 38.93N 100.67W 05/09/2015 GOVE KS EMERGENCY MNGR EMERGENCY MANAGER REPORTS A TORNADO ON THE GROUND INTERMITTENTLY. 0733 PM FUNNEL CLOUD 10 W GOVE 38.97N 100.67W 05/09/2015 GOVE KS STORM CHASER STORM CHASER REPORTS A RAPIDLY ROTATING WALL CLOUD WITH A LOW FUNNEL. 0738 PM TORNADO 7 S GRINNELL 39.02N 100.65W 05/09/2015 GOVE KS PUBLIC CALLER REPORTS A TORNADO ON THE GROUND NORTH OF COUNTY ROAD S. 0738 PM TORNADO 5 S GRINNELL 39.05N 100.64W 05/09/2015 GOVE KS STORM CHASER TORNADO ON THE GROUND SOUTH OF I-70 NEAR GRINNELL. 0745 PM TORNADO 3 S GRINNELL 39.08N 100.63W 05/09/2015 GOVE KS TRAINED SPOTTER TRAINED SPOTTER REPORTS A TORNADO ON THE GROUND 3 MILES EAST OF OAKLEY.
0748 PM TORNADO 2 S GRINNELL 39.10N 100.63W 05/09/2015 GOVE KS EMERGENCY MNGR EMERGENCY MANAGER REPORTS PIVOTS DESTROYED APPROXIMATELY 2 MILES SOUTH OF CAMPUS IN NW GOVE COUNTY. TIME IS RADAR ESTIMATED. 0751 PM TORNADO 1 S GRINNELL 39.11N 100.63W 05/09/2015 GOVE KS TRAINED SPOTTER TRAINED SPOTTER REPORTS A TORNADO ON THE GROUND 1 MILE SOUTH OF GRINNELL. 0755 PM NON-TSTM WND GST 13 N EDSON 39.52N 101.54W 05/09/2015 E60.00 MPH SHERMAN KS NWS EMPLOYEE WIND GUST ESTIMATED AT 60MPH. 0801 PM TORNADO 1 NW GRINNELL 39.14N 100.64W 05/09/2015 SHERIDAN KS TRAINED SPOTTER TRAINED SPOTTER REPORTS A TORNADO ON THE GROUND 1 MILE NORTHWEST OF GRINNELL. 0805 PM TSTM WND DMG 1 W BIRD CITY 39.75N 101.55W 05/09/2015 CHEYENNE KS LAW ENFORCEMENT LAW ENFORCEMENT REPORTS OF ROAD SIGNS DAMAGED 1 MILE WEST OF BIRD CITY. TIME IS RADAR ESTIMATED. 0812 PM TORNADO 2 ENE ANGELUS 39.20N 100.66W 05/09/2015 SHERIDAN KS STORM CHASER STORM CHASER REPORTS A TORNADO ON THE GROUND NORTHEAST OF OAKLEY. 0818 PM HAIL GOODLAND 39.35N 101.71W 05/09/2015 E0.75 INCH SHERMAN KS NWS EMPLOYEE HAIL REPORTED IN GOODLAND, 0.75 INCH. 0823 PM TORNADO 1 N ANGELUS 39.20N 100.69W 05/09/2015 SHERIDAN KS TRAINED SPOTTER SPOTTER REPORTS A LARGE WEDGE TORNADO ON THE GROUND 1 MILE NORTH OF ANGELUS. 0833 PM TORNADO 5 SE MENLO 39.31N 100.65W 05/09/2015 SHERIDAN KS TRAINED SPOTTER TRAINED SPOTTER REPORTS A LARGE TORNADO ON THE GROUND WITH AN INTERMITTENT SMALL TORNADO AS WELL. 0850 PM TORNADO 5 NE MENLO 39.41N 100.68W 05/09/2015 SHERIDAN KS TRAINED SPOTTER TRAINED SPOTTER REPORTS A TORNADO ON THE GROUND NE OF MENLO. 0855 PM TORNADO 7 ESE REXFORD 39.44N 100.62W 05/09/2015 SHERIDAN KS TRAINED SPOTTER TRAINED SPOTTER REPORTS A LARGE, MULTI-VORTEX TORNADO ESE OF REXFORD. 0917 PM TORNADO 4 NNW SELDEN 39.60N 100.61W 05/09/2015 DECATUR KS PUBLIC TORNADO ON THE GROUND NNW OF SELDEN. 0920 PM HAIL 14 SSE BIRD CITY 39.57N 101.41W 05/09/2015 E1.25 INCH SHERMAN KS PUBLIC REPORT OF 1.25 INCH HAIL. 0924 PM TORNADO 7 NNW SELDEN 39.63N 100.62W 05/09/2015 DECATUR KS TRAINED SPOTTER TORNADO ON THE GROUND 7 MILES NNW OF SELDEN. 0930 PM FLASH FLOOD 13 S WHEELER 39.58N 101.71W 05/09/2015 CHEYENNE KS EMERGENCY MNGR WATER WAS RUNNING OVER SEVERAL COUNTY ROADS LAST NIGHT AND THIS MORNING DUE TO HEAVY RAINS. TIME IS ESTIMATED FROM RADAR. FLOODING CONTINUED EARLY THIS MORNING BUT HAS SINCE SUBSIDED. 0930 PM FLASH FLOOD ST. FRANCIS 39.77N 101.80W 05/09/2015 CHEYENNE KS EMERGENCY MNGR SOME STREET FLOODING OCCURRED IN ST FRANCIS LAST NIGHT. TIME IS ESTIMATED FROM RADAR AND OTHER REPORTS. 0930 PM FLASH FLOOD BENKELMAN 40.05N 101.54W 05/09/2015 DUNDY NE LAW ENFORCEMENT FAIRGROUNDS AREA IN BENKELMAN RECEIVED FLASH FLOODING LAST NIGHT. WATER WAS UP TO THE RUNNING BOARDS OF THE PICKUP TRUCKS. WATER WAS REPORTED OVER ROADS AS WELL. 0944 PM TORNADO 5 WSW OBERLIN 39.80N 100.62W 05/09/2015 DECATUR KS TRAINED SPOTTER TORNADO STILL ON THE GROUND SW OF OBERLIN. 1000 PM FLASH FLOOD 10 S BENKELMAN 39.91N 101.52W 05/09/2015 CHEYENNE KS FIRE DEPT/RESCUE STANDING WATER OVER ROADS BUT ROADS WERE STILL PASSABLE. DELAYED REPORT FROM SOCIAL MEDIA. 1002 PM TORNADO 5 SSE TRAER 39.87N 100.63W 05/09/2015 DECATUR KS STORM CHASER STORM CHASER REPORTS POWER POLES SNAPPED ALONG COUNTY RD 314 1 MILE NORTH OF 346. 1007 PM TORNADO 6 WSW CEDAR BLUFFS 39.94N 100.65W 05/09/2015 DECATUR KS TRAINED SPOTTER TRAINED SPOTTER REPORTS A TORNADO ON THE GROUND NEAR TRAER. 1026 PM TORNADO 6 SSW MCCOOK 40.11N 100.65W 05/09/2015 RED WILLOW NE TRAINED SPOTTER STORM SPOTTER REPORTS AN INTERMITTENT TORNADO ON THE GROUND 6 MILES SSW OF MCCOOK, NE.
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