Strong thunderstorms moved east-northeast across Sherman, Cheyenne and Rawlins counties in northwest Kansas during the early evening hours. Several large hail reports were received, ranging from nickel to hen egg size.
Every event with a place to put it. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS GLD wrote it up.
Strong thunderstorms moved east-northeast across Sherman, Cheyenne and Rawlins counties in northwest Kansas during the early evening hours. Several large hail reports were received, ranging from nickel to hen egg size.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Goodland, KS wrote its last area forecast discussion before the first event at Aug 14, 5:43 PM CST, 1 hour 4 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 543 PM MDT SUN AUG 14 2011 .DISCUSSION... 231 PM MDT SUN AUG 14 2011 WITH A CONVERGENT AREA IN THE VICINITY OF THE SURFACE TROUGH EXTENDING FROM SOUTHEAST WYOMING TO THE PANHANDLE REGION AND THE UPPER SHORT WAVE TROUGH TOPPING THE UPPER RIDGE IN PLACE OVER THE HIGH PLAINS...EXPECT SCATTERED THUNDERSTORMS WITH THE POTENTIAL FOR SEVERE WEATHER ACROSS A GOOD PORTION OF THE CENTRAL HIGH PLAINS LATE THIS AFTERNOON THROUGH THE EVENING. THERE WILL BE A SLIGHT CHANCE OF THUNDERSTORMS ACROSS MAINLY THE SOUTHERN PORTION OF THE FORECAST AREA LATE MONDAY AS THE RIDGE REAMPLIFIES. BY LATE TUESDAY...THE RIDGE FLATTENS WITH ANOTHER SHORT WAVE TROUGH MOVING THROUGH THE NORTHERN PLAINS...CREATING ANOTHER POSSIBILITY FOR SCATTERED THUNDERSTORMS. WITH A MORE ZONAL PATTERN OVER THE MIDDLE OF THE UNITED STATES THROUGH THE MIDDLE OF THE WEEK...EXPECT SOMEWHAT COOLER...NEAR NORMAL...TEMPERATURES. TEMPERATURES WILL RISE AGAIN BY LATE IN THE WEEK AS ANOTHER RIDGE AMPLIFIES OVER THE WESTERN UNITED STATES AND MOVES EAST OVER THE ROCKIES AND HIGH PLAINS REGION BY NEXT WEEKEND. DRY CONDITIONS ARE ALSO EXPECTED AS THE RIDGE AMPLIFIES AND MOVES OVER THE REGION. LOCKHART && .AVIATION... 543 PM MDT SUN AUG 14 2011 FOR THE 00Z TAFS...SHORTWAVE COMING THROUGH THE REGION IS FIRING THUNDERSTORMS NEARBY BUT DUE TO SLOW STORM MOVEMENT IT BE A FEW HOURS BEFORE STORMS MAKE IT TO KGLD AND KMCK. SOME LARGE HAIL WILL BE POSSIBLE WITH A FEW STORMS THIS EVENING. SOME MVFR CONDITIONS WILL BE POSSIBLE WITH STORMS OVERHEAD OTHERWISE VFR EXPECTED THROUGH THE TAF PERIOD. FS && .GLD WATCHES/WARNINGS/ADVISORIES... KS...NONE. NE...NONE. CO...NONE. &&
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GOODLAND KS 1045 AM MDT SUN AUG 14 2011 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-151645- YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON- SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA- DUNDY-HITCHCOCK-RED WILLOW- 1045 AM MDT SUN AUG 14 2011 /1145 AM CDT SUN AUG 14 2011/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS WILL DEVELOP ACROSS EASTERN COLORADO THIS AFTERNOON AND SPREAD EASTWARD ACROSS THE REMAINDER OF THE AREA THIS EVENING AND OVERNIGHT. SOME OF THESE STORMS MAY BECOME SEVERE WITH LARGE HAIL AND DAMAGING WINDS BEING THE MAIN THREATS. A FEW TORNADOES WILL ALSO BE POSSIBLE. THE BEST CHANCE FOR SEVERE WEATHER WILL OCCUR GENERALLY ALONG AND NORTH OF INTERSTATE 70. VERY HEAVY RAINFALL WILL ALSO BE POSSIBLE THROUGHOUT THE AREA. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THERE WILL BE A CHANCE OF THUNDERSTORMS THROUGH MOST OF THE PERIOD. HOWEVER...WIDESPREAD SEVERE WEATHER IS NOT EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED. 050
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
459 PM MDT SUN AUG 14 2011
COZ090-142315-
YUMA COUNTY-
459 PM MDT SUN AUG 14 2011
...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO...
AT 457 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTH OF
BURDETT TO 6 MILES NORTHEAST OF OTIS...MOVING EAST AT 20 MPH.
PENNY TO NICKEL SIZE HAIL...HEAVY RAINFALL...AND WINDS TO 50 MPH ARE
EXPECTED WITH THESE STORMS.
BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.
&&
LAT...LON 4044 10268 4044 10254 4027 10241 4014 10280
4035 10280 4036 10279 4044 10279 4044 10278
4045 10269
TIME...MOT...LOC 2259Z 255DEG 16KT 4047 10299 4022 10290
JLUNDQUISPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 512 PM MDT SUN AUG 14 2011 COZ090-091-KSZ001-013-142345- CHEYENNE-KIT CARSON COUNTY-SHERMAN-YUMA COUNTY- 512 PM MDT SUN AUG 14 2011 ...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR KIT CARSON COUNTY IN EAST CENTRAL COLORADO... YUMA COUNTY IN NORTHEAST COLORADO...SHERMAN COUNTY IN NORTHWEST KANSAS AND CHEYENNE COUNTY IN NORTHWEST KANSAS... AT 511 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 7 MILES SOUTH OF BONNY RESERVOIR...MOVING NORTHEAST AT 15 MPH. PENNY TO NICKEL SIZE HAIL...HEAVY RAINFALL...AND WINDS TO 50 MPH ARE EXPECTED WITH THIS STORM. BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND BECOME SEVERE. && LAT...LON 3978 10211 3954 10186 3938 10224 3955 10243 TIME...MOT...LOC 2312Z 235DEG 14KT 3952 10221 JLUNDQUI
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
514 PM MDT SUN AUG 14 2011
COZ090-142330-
YUMA COUNTY-
514 PM MDT SUN AUG 14 2011
...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO...
AT 511 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES NORTH OF
LONE STAR TO 6 MILES SOUTH OF LONE STAR...MOVING NORTHEAST AT 30 MPH.
PENNY TO NICKEL SIZE HAIL...HEAVY RAINFALL...AND WINDS TO 50 MPH ARE
EXPECTED WITH THESE STORMS.
BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.
&&
LAT...LON 4044 10250 4027 10240 4013 10280 4023 10280
4035 10280 4036 10279 4044 10279 4044 10278
TIME...MOT...LOC 2315Z 230DEG 26KT 4049 10285 4029 10281
JLUNDQUISPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
529 PM MDT SUN AUG 14 2011
COZ090-142345-
YUMA COUNTY-
529 PM MDT SUN AUG 14 2011
...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO...
AT 525 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 8 MILES SOUTHWEST OF HIGHLAND CENTER...OR 8 MILES
NORTHWEST OF CLARKVILLE...MOVING NORTHEAST AT 30 MPH.
PENNY TO NICKEL SIZE HAIL...HEAVY RAINFALL...AND WINDS TO 50 MPH ARE
EXPECTED WITH THIS STORM.
BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.
&&
LAT...LON 4044 10241 4035 10278 4036 10279 4044 10279
4044 10278
TIME...MOT...LOC 2329Z 237DEG 26KT 4048 10269
JLUNDQUISPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
546 PM MDT SUN AUG 14 2011
COZ090-KSZ001-150000-
CHEYENNE-YUMA COUNTY-
646 PM CDT SUN AUG 14 2011
...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO AND CHEYENNE
COUNTY IN NORTHWEST KANSAS...
AT 643 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR HALE...MOVING NORTHEAST AT 20 MPH.
PENNY TO NICKEL SIZE HAIL...HEAVY RAINFALL...AND WINDS TO 50 MPH ARE
EXPECTED WITH THIS STORM.
BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.
&&
LAT...LON 3963 10172 3957 10184 3957 10218 3960 10222
3986 10199
TIME...MOT...LOC 2345Z 230DEG 18KT 3959 10206
JLUNDQUISPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 549 PM MDT SUN AUG 14 2011 COZ090-150000- YUMA COUNTY- 549 PM MDT SUN AUG 14 2011 ...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO... AT 548 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 5 MILES SOUTHWEST OF VERNON TO 9 MILES WEST OF IDALIA...MOVING NORTHEAST AT 25 MPH. PENNY TO NICKEL SIZE HAIL...HEAVY RAINFALL...AND WINDS TO 50 MPH ARE EXPECTED WITH THESE STORMS. BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND BECOME SEVERE. && LAT...LON 4003 10222 3974 10223 3966 10255 3993 10252 TIME...MOT...LOC 2350Z 235DEG 23KT 3989 10238 3976 10244 JLUNDQUI
The Goodland radar (KGLD), 49 km away, was scanning. The volume nearest the first event began at 00:48 UTC.
3 hail. Local standard time, as filed.
The public reported a lot of nickel size hail with a few stones to quarter size covering the ground.
The hail report was relayed by law enforcement.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Kansas in 2011Every state in 2011This day in weather historyWarnings in Kansas, August 2011
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 332156, 332157, 332158.