Several strong wind gusts were reported as thunderstorms moved across the county during the early evening. Minor tree damage occurred with some of the wind gusts.
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.
Several strong wind gusts were reported as thunderstorms moved across the county during the early evening. Minor tree damage occurred with some of the wind gusts.
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 Jul 21, 5:04 PM MST, 1 minute earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 604 PM MDT WED JUL 21 2010 .DISCUSSION... 224 PM MDT WED JUL 21 2010 THE 18Z SURFACE ANALYSIS SHOWS A LOW OVER SOUTHEAST COLORADO WITH A WARM EXTENDING EAST ACROSS WESTERN KANSAS. LATEST VISIBLE SATELLITE LOOP SHOWING WARM FRONT MAKING GOOD PROGRESS NORTH INTO NORTHWEST KANSAS. WATER VAPOR IMAGERY SHOWING TROPICAL MOISTURE PLUME MOVING NORTH INTO THE ROCKIES AND PLAINS. AN APPARENT SHORTWAVE IS OVER THE CENTRAL ROCKIES MOVING EAST. LIGHTNING DETECTION PICKING UP LOTS OF STRIKES OVER THAT AREA. SOUTHWESTERLY FLOW WILL CONTINUE OVER THE CENTRAL PLAINS THROUGH FRIDAY FOLLOWED BY A SHIFT TO NORTHWEST FLOW SATURDAY NIGHT. A TROUGH WILL BE OVER EASTERN COLORADO THROUGH FRIDAY NIGHT. THE TROUGH WILL SHIFT EAST SATURDAY WITH HIGH PRESSURE BUILDING INTO NORTHWEST KANSAS. A FRONT DRAPED ACROSS NORTHWEST KANSAS WILL BE THE FOCUS FOR THUNDERSTORMS TONIGHT WITH LIKELY POPS ALONG AND NORTH OF THE FRONT AND CHANCE POPS SOUTH. ON THURSDAY THE SURFACE TROUGH WILL BE THE FOCUS IN EASTERN COLORADO DURING THE AFTERNOON. PLAN TO GO WITH SLIGHT CHANCE POPS FOR THURSDAY AFTERNOON AND THEN CHANCE POPS THURSDAY NIGHT WITH A DECENT SHORTWAVE MOVING INTO THE AREA. THE SURFACE TROUGH WILL BE THE FOCUS AGAIN ON FRIDAY FOR SLIGHT CHANCE POPS IN THE AFTERNOON AND HIGHER CHANCE POPS FRIDAY NIGHT AS ANOTHER SHORTWAVE MOVES ACROSS THE FA. THE TROUGH SHIFTS EAST LATE FRIDAY NIGHT WITH HIGH PRESSURE BUILDING IN. BEST CHANCES ON SATURDAY SHOULD RESULT FROM CONVERGENCE OVER HIGHER TERRAIN IN EASTERN COLORADO AND THEN STORMS MOVING EAST SATURDAY NIGHT. CONFIDENCE IS LACKING FOR STORMS MAKING PROGRESS EASTWARD INTO THE FA SATURDAY NIGHT. PRECIPITABLE WATER VALUES ARE 150 PERCENT OF NORMAL ACROSS THE AREA TODAY BUT STORM MOTION IS AROUND 20 MPH. PLAN TO MENTION LOCALLY HEAVY RAINFALL POSSIBLE IN THE AREA OF HIGHER POPS. LEANED TOWARD COOLER TEMPERATURES NORTH OF THE WARM FRONT TONIGHT AND WARMER SOUTH OF THE FRONT. MAX TEMPERATURES THURSDAY AND FRIDAY WILL BE BACK IN THE UPPER 90S WITH THE FRONT NORTH OF THE FA. COOLER TEMPERATURES WILL TAKE PLACE ON SATURDAY BEHIND THE TROUGH. READINGS ON SATURDAY SHOULD BE IN THE MID 80S. MIN TEMPERATURES WILL FALL INTO THE MID 60S WITH EXCEPTIONS OF LOWER 70S IN THE EAST AND LOWER 60S IN THE WEST. IN THE EXTENDED...A RIDGE BUILDS INTO THE ROCKIES DURING THIS PART OF THE FORECAST. SURFACE HIGH PRESSURE WILL BE OVER THE REGION ON SUNDAY BUT ANOTHER TROUGH STARTS SETTING UP OVER EASTERN COLORADO EARLY AND LASTS THROUGH WEDNESDAY. A SHORTWAVE IS ADVERTISED IN THE FLOW ON SUNDAY SO WILL KEEP SLIGHT CHANCE POPS FOR THAT PERIOD. PLAN TO RESTRICT SLIGHT CHANCE POPS TO AN AREA NEAR THE SURFACE TROUGH ON MONDAY. RIDGING AND SUBSIDENCE WILL KEEP CONDITIONS DRY TUESDAY AND WEDNESDAY. MAX TEMPERATURES WILL BE AROUND 90 UNTIL TUESDAY AND WEDNESDAY WHEN READINGS SHOULD RISE TO THE MID 90S. MIN TEMPERATURES WILL COOL TO THE MID/UPPER 60S. FS && .AVIATION... 524 PM MDT WED JUL 21 2010 VFR CONDITIONS ARE EXPECTED THROUGH THE TAF PERIOD AT BOTH KMCK AND KGLD. THERE WILL BE SCATTERED THUNDERSTORMS...SOME POSSIBLY CONTAINING LARGE HAIL AND GUSTY WINDS...ALONG AND NORTH OF A WARM FRONT THROUGH ABOUT 06Z WITH ADDITIONAL SHOWERS AND THUNDERSTORMS MOVING OUT OF COLORADO AND ACROSS NORTHWEST KANSAS AND SOUTHWEST NEBRASKA DURING THAT TIME. EXPECT STORM COVERAGE TO DIMINISH BY 09Z. EXPECT ANOTHER ROUND OF ISOLATED STORMS TO MOVE OUT OF COLORADO AFTER ABOUT 18Z...BUT CONDITIONS SHOULD REMAIN VFR THROUGH 00Z THURSDAY AFTERNOON. LOCKHART && .GLD WATCHES/WARNINGS/ADVISORIES... KS...NONE. NE...NONE. CO...NONE. &&
HAZARDOUS WEATHER OUTLOOK...CORRECTION NATIONAL WEATHER SERVICE GOODLAND KS 1024 AM MDT WED JUL 21 2010 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-221200- YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON-SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLA CE-LOGAN-GOVE-GREELEY-WICHITA-DUNDY-HITCHCOCK-RED WILLOW- 1024 AM MDT WED JUL 21 2010 /1124 AM CDT WED JUL 21 2010/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL CONTINUE ACROSS THE ENTIRE AREA TODAY AND TONIGHT. SOME OF THESE STORMS COULD BECOME SEVERE WITH LARGE HAIL...DAMAGING WINDS...AND LOCALLY HEAVY RAINFALL. THE BEST CHANCE FOR SEVERE THUNDERSTORMS WILL BE ALONG AND NORTH OF THE INTERSTATE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY AN ACTIVE WEATHER PATTERN WILL CONTINUE THROUGH THIS PERIOD. SEVERE THUNDERSTORMS WILL BE POSSIBLE THIS ENTIRE TIME...ESPECIALLY FROM THURSDAY INTO FRIDAY. LOCALLY HEAVY RAINFALL WILL BE A THREAT INTO THE BEGINNING OF NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED THIS AFTERNOON AND TONIGHT. 024
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
410 PM MDT WED JUL 21 2010
NEZ081-212245-
RED WILLOW-
510 PM CDT WED JUL 21 2010
...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR RED WILLOW COUNTY IN SOUTHWEST NEBRASKA...
AT 507 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 5 MILES SOUTHWEST OF MCCOOK...OR NEAR MCCOOK...
MOVING NORTHEAST AT 20 MPH.
WIND GUSTS TO 55 MPH AND LOCALLY HEAVY RAINFALL WITH RATES OF ONE TO
TWO INCHES PER HOUR CAUSING SHARPLY REDUCED VISIBILITIES CAN BE
EXPECTED WITH THIS STORM.
BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.
&&
LAT...LON 4034 10020 4021 10020 4001 10069 4016 10076
4033 10075
TIME...MOT...LOC 2209Z 234DEG 17KT 4014 10066
THEDESPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
434 PM MDT WED JUL 21 2010
NEZ081-212300-
RED WILLOW-
534 PM CDT WED JUL 21 2010
...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR RED WILLOW COUNTY IN SOUTHWEST NEBRASKA...
AT 530 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR MCCOOK...MOVING NORTHEAST AT 20 MPH.
HAIL TO THE SIZE OF A DIME...WIND GUSTS TO 55 MPH AND VERY HEAVY
RAIN WITH RATES OF ONE TO TWO INCHES PER HOUR CAN BE EXPECTED WITH
THIS STORM. THE INTENSE RAINFALL RATES WILL DROP VISIBILITIES
LOCALLY BELOW ONE MILE.
BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.
&&
LAT...LON 4026 10018 4008 10056 4023 10070 4035 10051
4034 10025
TIME...MOT...LOC 2233Z 234DEG 17KT 4021 10054
THEDESPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 436 PM MDT WED JUL 21 2010 NEZ080-212300- HITCHCOCK- 536 PM CDT WED JUL 21 2010 ...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT WEATHER ADVISORY FOR HITCHCOCK COUNTY IN SOUTHWEST NEBRASKA... AT 534 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR STRATTON NE...MOVING NORTHEAST AT 25 MPH. HAIL TO THE SIZE OF A DIME...WIND GUSTS TO 55 MPH AND VERY HEAVY RAIN WITH RATES OF ONE TO TWO INCHES PER HOUR CAN BE EXPECTED WITH THIS STORM. THE INTENSE RAINFALL RATES WILL DROP VISIBILITIES LOCALLY BELOW ONE MILE. && LAT...LON 4007 10113 4017 10133 4035 10119 4034 10085 TIME...MOT...LOC 2236Z 214DEG 22KT 4020 10116 THEDE
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
441 PM MDT WED JUL 21 2010
COZ090-212315-
YUMA COUNTY-
441 PM MDT WED JUL 21 2010
...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO...
AT 439 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM NEAR OTIS...OR 11 MILES WEST OF YUMA...MOVING
NORTHEAST AT 15 MPH.
PENNY TO NICKEL SIZE HAIL...WINDS TO 50 MPH AND VERY HEAVY RAINFALL
ARE EXPECTED WITH THIS STORM. THE COMMUNITY OF CLARKVILLE MAY BE
IMPACTED BY THIS STORM.
BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.
&&
LAT...LON 4044 10232 4043 10226 4010 10280 4034 10280
4035 10278 4042 10278 4044 10275
TIME...MOT...LOC 2240Z 226DEG 15KT 4014 10292
THEDESPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE GOODLAND KS
525 PM MDT WED JUL 21 2010
COZ090-220030-
YUMA COUNTY-
525 PM MDT WED JUL 21 2010
...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT
WEATHER ADVISORY FOR YUMA COUNTY IN NORTHEAST COLORADO...
AT 518 PM MDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 8 MILES SOUTH OF
OTIS TO 7 MILES NORTHEAST OF OTIS TO 6 MILES SOUTHEAST OF LONE
STAR...MOVING NORTHEAST AT EAST AT 20 MPH.
HAIL TO THE SIZE OF DIMES...WIND GUSTS TO 55 MPH AND VERY HEAVY RAIN
WITH RATES OF OVER 2 INCHES PER HOUR CAUSING SHARPLY REDUCED
VISIBILITIES ARE EXPECTED WITH THESE STORMS. A FEW AREAS MAY
EXPERIENCE SOME LOCALIZED FLOODING OF LOW LAND OR POOR DRAINAGE
AREAS. THIS INCLUDES THE COMMUNITIES OF YUMA...CLARKVILLE...ECKLEY
AND WAUNETA.
BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND
BECOME SEVERE.
&&
LAT...LON 4044 10210 4027 10225 4004 10238 3998 10281
3999 10281 4000 10280 4034 10280 4035 10278
4043 10278
TIME...MOT...LOC 2323Z 260DEG 18KT 4004 10289 4019 10281
4032 10271
THEDEThe Goodland radar (KGLD), 119 km away, was scanning. The volume nearest the first event began at 00:04 UTC.
3 thunderstorm wind. Local standard time, as filed.
Three-inch diameter tree limbs were broken as a result of thunderstorm winds.
Several three-inch diameter live tree limbs were down.
Three-inch diameter live tree limbs were blown down.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2010Every state in 2010This day in weather historyWarnings in Colorado, July 2010
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: 234951, 234952, 234953.