829  
NWUS55 KCYS 152117  
LSRCYS  
 
PRELIMINARY LOCAL STORM REPORT...SUMMARY  
NATIONAL WEATHER SERVICE CHEYENNE WY  
317 PM MDT THU JUN 15 2017  
   
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
 
   
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
 
 
..REMARKS..  
 
0305 AM HAIL 5 S GUERNSEY 42.19N 104.74W  
06/12/2017 E1.00 INCH PLATTE WY COCORAHS  
 
0305 AM TORNADO 11 NE CHEYENNE 41.26N 104.64W  
06/12/2017 LARAMIE WY TRAINED SPOTTER  
 
CONFIRMED TORNADO ON THE GROUND.  
 
0308 PM HAIL WHEATLAND 42.05N 104.96W  
06/12/2017 E0.75 INCH PLATTE WY EMERGENCY MNGR  
 
0311 PM HAIL 3 N BORDEAUX 41.99N 104.95W  
06/12/2017 M1.00 INCH PLATTE WY TRAINED SPOTTER  
 
0313 PM HAIL WHEATLAND 42.05N 104.96W  
06/12/2017 M1.00 INCH PLATTE WY TRAINED SPOTTER  
 
0314 PM HAIL 1 S WHEATLAND 42.04N 104.96W  
06/12/2017 E4.25 INCH PLATTE WY TRAINED SPOTTER  
 
0314 PM FUNNEL CLOUD 11 E WHEATLAND 42.05N 104.74W  
06/12/2017 PLATTE WY TRAINED SPOTTER  
 
ON CORAL RD.  
 
0315 PM HAIL 2 N BORDEAUX 41.98N 104.95W  
06/12/2017 M2.00 INCH PLATTE WY TRAINED SPOTTER  
 
0321 PM HAIL WHEATLAND 42.05N 104.96W  
06/12/2017 M2.00 INCH PLATTE WY EMERGENCY MNGR  
 
0323 PM HAIL WHEATLAND 42.05N 104.96W  
06/12/2017 M2.75 INCH PLATTE WY EMERGENCY MNGR  
 
A NUMBER OF VEHICLES AND WINDOWS DAMAGED.  
 
0325 PM HAIL 3 S WHEATLAND 42.01N 104.96W  
06/12/2017 M4.25 INCH PLATTE WY TRAINED SPOTTER  
 
0330 PM HAIL 3 N BORDEAUX 41.99N 104.95W  
06/12/2017 M4.25 INCH PLATTE WY TRAINED SPOTTER  
 
0330 PM HAIL 2 W CHEYENNE 41.15N 104.83W  
06/12/2017 M1.00 INCH LARAMIE WY COCORAHS  
 
MINOR TREE DAMAGE. DURATION 20 MINUTES.  
 
0346 PM HAIL 3 E DOUGLAS 42.76N 105.33W  
06/12/2017 M1.50 INCH CONVERSE WY COCORAHS  
 
CAR DENTS AND BROKEN HOUSE WINDOWS.  
 
0347 PM HAIL WARREN AF BASE 41.15N 104.86W  
06/12/2017 M0.88 INCH LARAMIE WY TRAINED SPOTTER  
 
0350 PM HAIL DOUGLAS 42.76N 105.39W  
06/12/2017 E1.75 INCH CONVERSE WY TRAINED SPOTTER  
 
QUARTER TO GOLF BALL SIZED HAIL ESTIMATED.  
 
0350 PM HAIL WARREN AF BASE 41.15N 104.86W  
06/12/2017 M2.75 INCH LARAMIE WY TRAINED SPOTTER  
 
GOLF BALL TO BASE BALL HAIL LASTED FIVE MINUTES.  
 
0355 PM HAIL WARREN AF BASE 41.15N 104.86W  
06/12/2017 M2.50 INCH LARAMIE WY TRAINED SPOTTER  
 
2 TO 2.5 INCH HAIL.  
 
0356 PM TORNADO 4 ENE GRAYROCKS RESERVO 42.16N 104.65W  
06/12/2017 GOSHEN WY EMERGENCY MNGR  
 
GOSHEN EM REPORTED TORNADO ON DEER CREEK ROAD ALONG  
GOSHEN AND PLATTE COUNTY LINE.  
 
0359 PM HAIL 3 N CHEYENNE 41.19N 104.79W  
06/12/2017 M1.25 INCH LARAMIE WY NWS EMPLOYEE  
 
DELAYED REPORT.  
 
0400 PM HAIL 5 N CHEYENNE 41.22N 104.79W  
06/12/2017 M2.75 INCH LARAMIE WY EMERGENCY MNGR  
 
ON TRINIDAD CT EAST OF YELLOWSTONE RD.  
 
0400 PM HAIL 3 N CHEYENNE 41.19N 104.79W  
06/12/2017 M4.00 INCH LARAMIE WY TRAINED SPOTTER  
 
DELAYED REPORT.  
 
0400 PM HAIL WARREN AF BASE 41.15N 104.86W  
06/12/2017 M2.75 INCH LARAMIE WY TRAINED SPOTTER  
 
DELAYED REPORT.  
 
0401 PM HAIL WARREN AF BASE 41.15N 104.86W  
06/12/2017 M2.50 INCH LARAMIE WY OTHER FEDERAL  
 
ON FE WARREN  
 
0401 PM HAIL 1 N CHEYENNE 41.16N 104.79W  
06/12/2017 E2.75 INCH LARAMIE WY PUBLIC  
 
LARAMIE COUNTY EM WIFE REPORTING BASEBALL HAIL AT 107  
TRINIDAD COURT IN CHEYENNE  
 
0405 PM HAIL 4 N CHEYENNE 41.20N 104.79W  
06/12/2017 E3.00 INCH LARAMIE WY COCORAHS  
 
HAIL GREW FROM PEAS TO LARGER THAN BASEBALLS.  
 
0410 PM HAIL NW FORT LARAMIE 42.21N 104.52W  
06/12/2017 M2.00 INCH GOSHEN WY COCORAHS  
 
0412 PM HAIL 10 N CHEYENNE 41.29N 104.79W  
06/12/2017 M1.50 INCH LARAMIE WY PUBLIC  
 
0415 PM HAIL 6 NNE CHEYENNE 41.23N 104.75W  
06/12/2017 E2.75 INCH LARAMIE WY TRAINED SPOTTER  
 
GOLF BALL TO BASEBALL HAIL AT 8600 BLOCK OF POWDERHOUSE  
RD.  
 
0419 PM HAIL FORT LARAMIE 42.21N 104.52W  
06/12/2017 M2.50 INCH GOSHEN WY TRAINED SPOTTER  
 
0425 PM HAIL FORT LARAMIE 42.21N 104.52W  
06/12/2017 E2.75 INCH GOSHEN WY EMERGENCY MNGR  
 
TIME BASED ON RADAR.  
 
0440 PM TORNADO 11 NE CHEYENNE 41.26N 104.64W  
06/12/2017 LARAMIE WY TRAINED SPOTTER  
 
CONFIRMED TORNADO ON THE GROUND. TWO HOMES DAMAGED ON  
COUNTY RD 222. IRRIGATION PIVOT FLIPPED. PINE TREE  
UPROOTED.  
 
0457 PM FUNNEL CLOUD 7 NNE LINGLE 42.23N 104.29W  
06/12/2017 GOSHEN WY TRAINED SPOTTER  
 
0457 PM TORNADO 3 SE CARPENTER 41.00N 104.31W  
06/12/2017 WELD CO STORM CHASER  
 
LARGE WEDGE TORNADO ON GROUND.  
 
0500 PM HAIL 4 NNE CARPENTER 41.08N 104.31W  
06/12/2017 M1.50 INCH LARAMIE WY COCORAHS  
 
0500 PM TORNADO 2 E CARPENTER 41.03N 104.31W  
06/12/2017 LARAMIE WY EMERGENCY MNGR  
 
POWER LINES DOWN. MAJOR GAS LINE BROKEN. CONSIDERABLE  
DAMAGE WITH WIDE DEBRIS FIELD. SHUT OFF POWER.  
 
0505 PM TORNADO 5 N CARPENTER 41.10N 104.34W  
06/12/2017 LARAMIE WY PUBLIC  
 
0505 PM HAIL 8 S DOUGLAS 42.64N 105.37W  
06/12/2017 E4.00 INCH CONVERSE WY LAW ENFORCEMENT  
 
0505 PM HAIL 5 N CARPENTER 41.10N 104.34W  
06/12/2017 M1.75 INCH LARAMIE WY EMERGENCY MNGR  
 
DELAYED REPORT.  
 
0510 PM TORNADO 11 E CARPENTER 41.03N 104.13W  
06/12/2017 LARAMIE WY TRAINED SPOTTER  
 
POSSIBLE TORNADO. IRRIGATION PIVOT OVERTURNED. SMALL  
BUILDING DAMAGE. COUNTY RDS 203 AND 61. TIME BASED ON  
RADAR.  
 
0519 PM FUNNEL CLOUD 5 W PINE BLUFFS 41.18N 104.16W  
06/12/2017 LARAMIE WY TRAINED SPOTTER  
 
0520 PM HAIL 2 E DOUGLAS 42.76N 105.35W  
06/12/2017 M2.00 INCH CONVERSE WY TRAINED SPOTTER  
 
0520 PM FUNNEL CLOUD 5 S PINE BLUFFS 41.11N 104.07W  
06/12/2017 LARAMIE WY EMERGENCY MNGR  
 
DELEYED REPORT.  
 
0521 PM TORNADO 11 E HWY 85 AT DRY RAWH 42.33N 104.10W  
06/12/2017 GOSHEN WY EMERGENCY MNGR  
 
*** 1 INJ *** 5500 BLOCK OF COUNTY RD 108. HOUSE DAMAGED.  
SHEDS MISSING. TRACTORS OVERTURNED. ONE PERSONAL INJURY.  
TIME BASED ON RADAR.  
 
0523 PM FUNNEL CLOUD 3 S PINE BLUFFS 41.14N 104.07W  
06/12/2017 LARAMIE WY EMERGENCY MNGR  
 
DELAYED REPORT.  
 
0524 PM TORNADO 1 NE PINE BLUFFS 41.19N 104.05W  
06/12/2017 LARAMIE WY TRAINED SPOTTER  
 
TORNADO ON THE GROUND.  
 
0526 PM HAIL 8 SSE PRAIRIE CENTER 42.39N 104.17W  
06/12/2017 M2.75 INCH GOSHEN WY EMERGENCY MNGR  
 
GOLF BALL TO BASEBALL.  
 
0527 PM HAIL DOUGLAS 42.76N 105.39W  
06/12/2017 M2.00 INCH CONVERSE WY TRAINED SPOTTER  
 
DELAYED REPORT.  
 
0530 PM HAIL PINE BLUFFS 41.18N 104.07W  
06/12/2017 M3.00 INCH LARAMIE WY TRAINED SPOTTER  
 
TIME BASED ON RADAR.  
 
0533 PM HAIL PINE BLUFFS 41.18N 104.07W  
06/12/2017 E3.00 INCH LARAMIE WY TRAINED SPOTTER  
 
0535 PM TORNADO 15 S HARRISON 42.47N 103.88W  
06/12/2017 SIOUX NE EMERGENCY MNGR  
 
*** 1 INJ *** SIGNIFICANT DAMAGE TO TWO HOMESTEADS. ONE  
INJURED. TIME BASED ON RADAR.  
 
0540 PM FLASH FLOOD 3 E PINE BLUFFS 41.18N 104.01W  
06/12/2017 KIMBALL NE EMERGENCY MNGR  
 
DELAYED REPORT.  
 
0556 PM TORNADO 9 N BUSHNELL 41.36N 103.89W  
06/12/2017 KIMBALL NE TRAINED SPOTTER  
 
INTERMITTENT TOUCHDOWNS.  
 
0605 PM TORNADO 7 N BUSHNELL 41.33N 103.89W  
06/12/2017 KIMBALL NE TRAINED SPOTTER  
 
TORNADO ON THE GROUND.  
 
0606 PM TORNADO 7 SW HARRISBURG 41.48N 103.84W  
06/12/2017 BANNER NE TRAINED SPOTTER  
 
TORNADO ON THE GROUND.  
 
0610 PM TORNADO 10 N BUSHNELL 41.38N 103.89W  
06/12/2017 KIMBALL NE TRAINED SPOTTER  
 
TORNADO ON THE GROUND.  
 
0612 PM TORNADO 10 NNW KIMBALL 41.37N 103.73W  
06/12/2017 KIMBALL NE TRAINED SPOTTER  
 
TORNADO ON THE GROUND.  
 
0618 PM TORNADO 8 N BUSHNELL 41.35N 103.89W  
06/12/2017 KIMBALL NE TRAINED SPOTTER  
 
TORNADO ON THE GROUND.  
 
0627 PM HAIL 5 N ALBIN 41.49N 104.10W  
06/12/2017 M1.75 INCH LARAMIE WY EMERGENCY MNGR  
 
DELAYED REPORT.  
 
0629 PM TORNADO 15 N KIMBALL 41.45N 103.66W  
06/12/2017 BANNER NE TRAINED SPOTTER  
 
TORNADO ON THE GROUND.  
 
0630 PM HAIL 1 SW GLENROCK 42.85N 105.87W  
06/12/2017 M1.00 INCH CONVERSE WY COCORAHS  
 
0638 PM TORNADO 3 NE HARRISBURG 41.58N 103.70W  
06/12/2017 BANNER NE STORM CHASER  
 
41.59N/-103.58  
 
0653 PM HAIL GERING 41.83N 103.67W  
06/12/2017 E0.75 INCH SCOTTS BLUFF NE PUBLIC  
 
PEA TO DIME SIZED HAIL AND WINDS 50-60 MPH.  
 
0703 PM HAIL 10 S GERING 41.68N 103.67W  
06/12/2017 E1.00 INCH BANNER NE TRAINED SPOTTER  
 
0703 PM HAIL MELBETA 41.78N 103.52W  
06/12/2017 E1.25 INCH SCOTTS BLUFF NE CO-OP OBSERVER  
 
QUARTER TO HALF DOLLAR HAIL  
 
0705 PM TORNADO 8 NE HARRISBURG 41.63N 103.63W  
06/12/2017 BANNER NE TRAINED SPOTTER  
 
RAIN-WRAPPED TORNADO.  
 
0715 PM TORNADO 4 NNE BAYARD 41.81N 103.29W  
06/12/2017 MORRILL NE LAW ENFORCEMENT  
 
TREES AND POWER LINES DOWN. HOUSES SEVERELY DAMAGED. A  
STORAGE SHED AND TRACTOR WERE SWEPT AWAY. POWER LINES  
SNAPPED. TIME BASED ON RADAR.  
 
0715 PM TORNADO BAYARD 41.76N 103.32W  
06/12/2017 MORRILL NE BROADCAST MEDIA  
 
LARGE TREES DOWN. ROOF LIFTED OFF A BUILDING ON THE  
SCHOOL PROPERTY.  
 
0745 PM TORNADO 20 SW DOUGLAS 42.55N 105.67W  
06/12/2017 CONVERSE WY EMERGENCY MNGR  
 
SEVERAL RANCHERS REPORT TORNADO DAMAGE NEAR CHAMBERLAIN  
PLACE. FOUR OUTBUILDINGS WERE DESTROYED AND A ROOF WAS  
RIPPED OFF A HOUSE.  
 
0800 PM HAIL 5 NNE BONNER 42.00N 102.98W  
06/12/2017 E1.75 INCH MORRILL NE PUBLIC  
 
NEAR THE MORRILL-BOX BUTTE COUNTY LINE.  
 
0807 PM HAIL DOUGLAS 42.76N 105.39W  
06/12/2017 E0.50 INCH CONVERSE WY PUBLIC  
 
HAIL MARBLE TO DIME SIZE.  
 
0810 PM HAIL ALLIANCE 42.10N 102.87W  
06/12/2017 E1.00 INCH BOX BUTTE NE PUBLIC  
 
KANSAS ST IN ALLIANCE.  
 
0815 PM TORNADO 8 S ALLIANCE 41.98N 102.87W  
06/12/2017 MORRILL NE EMERGENCY MNGR  
 
POSSIBLE TORNADO. A BUSINESS LOST HALF ITS ROOF. WINDOWS  
AND DOORS WERE BLOWN IN.  
 
0815 PM HAIL ALLIANCE 42.10N 102.87W  
06/12/2017 E2.75 INCH BOX BUTTE NE LAW ENFORCEMENT  
 
0818 PM HAIL ALLIANCE 42.10N 102.87W  
06/12/2017 E2.50 INCH BOX BUTTE NE PUBLIC  
 
REPORT RECEIVED VIA FACEBOOK.  
 
0822 PM TORNADO 13 S ALLIANCE 41.91N 102.87W  
06/12/2017 MORRILL NE LAW ENFORCEMENT  
 
65 TRAIN CARS BLOWN OVER.  
 

 
 

 
 
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