A lone supercell thunderstorm produced hail as large as softballs in portions of Graham County, KS.
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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.
A lone supercell thunderstorm produced hail as large as softballs in portions of Graham County, KS.
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 Jun 10, 2:26 PM CST, 3 hours 34 minutes earlier.
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GOODLAND KS
226 PM MDT TUE JUN 10 2008
.DISCUSSION...
219 PM MDT TUE JUN 10 2008
BUSY FORECAST FOR THIS EVENING. EASTERN COLORADO AND THE ADJACENT
KANSAS COUNTIES ARE CURRENTLY UNDER A RED FLAG WARNING AS
TEMPERATURES WEST OF THE DEVELOPING DRYLINE ARE WARMING INTO THE
UPPER 80S/LOWER 90S WITH RHS DROPPING BELOW 15 PERCENT. THE
NEXT CONCERN WILL BE ALONG AND EAST OF DRYLINE WHERE ISOLATED
THUNDERSTORMS MAY DEVELOP. FORECAST PARAMETERS INDICATE THESE
STORMS WILL LIKELY BECOME SUPERCELLULAR...WITH HIGH WINDS AND
LARGE HAIL BEING THE MAIN THREAT.
LATER TONIGHT LLJ STRENGTHENS DRAMATICALLY...HOWEVER AM NOT SURE
THESE WINDS WILL MIX TO THE SURFACE. SFC WINDS ARE EXPECTED TO
INCREASE FROM 20 TO 25 KTS WITH HIGHER GUSTS. HAVE DECIDED NOT TO
ISSUE A WIND ADVISORY AS OF YET...BUT WILL CONTINUE TO WATCH WINDS
TONIGHT AS THE EVENING PROGRESSES. AFTER 12Z WINDS BEGIN TO SHIFT
OUT OF THE NORTH IN RESPONSE TO A COLD FRONT PUSHING THROUGH THE
MAJORITY OF THE AREA. COLD FRONT LOOKS TO STALL OVER THE THE
SOUTHWEST PORTION OF THE FA...MAKING A LARGE TEMPERATURE GRADIENT
FROM WEST TO EAST. FCAST HIGHS NORTH AND WEST OF THE FRONT WILL BE
IN THE MID 70S/LOWER 80S WHILE SOUTHEAST OF THE FRONT WILL WARM INTO
THE UPPER 80S/LOWER 90S.
CURRENTLY AN H5 LOW IS SPINNING OVER MONTANA WILL CONTINUE PUSHING
EAST KEEPING THE TRI-STATE REGION UNDER SOUTHWEST FLOW. THROUGH THE
AFTERNOON HOURS ON WEDNESDAY A SERIES OF SHORTWAVE TROUGHS WILL
EJECT OUT OF THE OFF THE ROCKIES INCREASING INSTABILITY THROUGH THE
AFTERNOON MAINLY OVER THE NORTHERN HALF OF THE CWA. WILL SEE ANOTHER
CHANCE FOR THUNDERSTORMS WEDNESDAY AFTERNOON/EVENING. THESE STORMS
AGAIN MAY BECOME SEVERE. THUNDERSTORMS WILL END LATE WEDNESDAY NIGHT
AS HIGH PRESSURE BEGINS TO SET IN OVER THE AREA.
HIGH PRESSURE WILL THEN DOMINATE THROUGH THE WEEKEND WITH MAXIMUM
TEMPERATURES FORECASTED TO RANGE AT OR SLIGHTLY ABOVE AVERAGE WITH
LITTLE TO NO PRECIPITATION EXPECTED UNTIL LATE INTO THE
WEEKEND/EARLY NEXT WEEK.
BURTIS
&&
.AVIATION...
1236 PM MDT TUE JUN 10 2008
FOR THE 18Z TAFS...VFR CONDITIONS WILL CONTINUE WITH THE WINDS BEING
THE BIG ISSUE FOR THE NEXT 24 HOURS. THE STRONG SOUTHERLY WINDS WILL
WILL CONTINUE TO INCREASE DURING THE AFTERNOON AND EVENING. AFTER
12Z THE WINDS WILL BEGIN TO SHIFT TO THE NORTH AS A FRONT ENTERS THE
REGION. THERE IS A SLIGHT CHANCE FOR THUNDERSTORMS TO DEVELOP OVER
THE AREA TONIGHT...HOWEVER CONFIDENCE WAS TOO LOW TO INCLUDE IN THE
TAFS.
KJ
&&
.FIRE WEATHER...
RED FLAG WARNING FOR FAR EASTERN COLORADO AND ADJACENT COUNTIES IN
NORTHWEST KANSAS THIS AFTERNOON CONTINUES AS RELATIVE HUMIDITIES
ACROSS THE AREA HAVE DROPPED BETWEEN 10 AND 15 PERCENT. WILL LEAVE
THE RED FLAG WARNING AS IS ATTM.
BURTIS
&&
.GLD WATCHES/WARNINGS/ADVISORIES...
KS...RED FLAG WARNING UNTIL 8 PM MDT /9 PM CDT/ THIS EVENING FOR
KSZ001-013-027-041.
NE...NONE.
CO...RED FLAG WARNING UNTIL 8 PM MDT THIS EVENING FOR COZ252>254.
&&HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GOODLAND KS 1027 AM MDT TUE JUN 10 2008 COZ090>092-KSZ001>004-013>016-027>029-041-042-NEZ079>081-111200- YUMA-KIT CARSON-CHEYENNE CO-CHEYENNE KS-RAWLINS-DECATUR-NORTON- SHERMAN-THOMAS-SHERIDAN-GRAHAM-WALLACE-LOGAN-GOVE-GREELEY-WICHITA- DUNDY-HITCHCOCK-RED WILLOW- 1027 AM MDT TUE JUN 10 2008 /1127 AM CDT TUE JUN 10 2008/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR EXTREME SOUTHWEST NEBRASKA...NORTHWEST KANSAS AND EAST CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT ISOLATED STRONG TO SEVERE THUNDERSTORMS ARE POSSIBLE DURING THE AFTERNOON AND EARLY EVENING HOURS GENERALLY ALONG AND EAST OF A DRYLINE EXTENDING FROM TRENTON NEBRASKA THROUGH BREWSTER AND TRIBUNE KANSAS. LARGE HAIL...DAMAGING WINDS...AND CLOUD TO GROUND LIGHTNING WILL BE THE PRIMARY THREATS. WEST OF THE DRYLINE CRITICAL FIRE WEATHER CONDITIONS WILL EXIST...WITH RELATIVE HUMIDITIES DROPPING BELOW 15 PERCENT AND STRONG SOUTHERLY WINDS. ANY OUTDOOR BURNING IN THIS AREA IS STRONGLY DISCOURAGED. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS A SLIGHT RISK FOR SEVERE THUNDERSTORMS WEDNESDAY AFTERNOON AND EARLY EVENING ALONG A FRONTAL BOUNDARY EXTENDING FROM NORTON KANSAS TO GOVE KANSAS. AREAS ALONG AND EAST OF THIS BOUNDARY MAY EXPERIENCE LARGE HAIL AND DAMAGING WINDS...WITH TORNADOES ALSO POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUIRED LATE THIS AFTERNOON AND EVENING. KJ
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 452 PM MDT TUE JUN 10 2008 KSZ015-029-102330- GOVE-SHERIDAN- 552 PM CDT TUE JUN 10 2008 ...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT WEATHER ALERT FOR SHERIDAN COUNTY IN NORTHWEST KANSAS AND GOVE COUNTY IN WEST CENTRAL KANSAS... AT 549 PM CDT...SATELLITE IMAGERY AND NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THUNDERSTORMS WERE RAPIDLY DEVELOPING 10 MILES SOUTHWEST OF GRINNELL...AND MOVING NORTHEAST AT 31 MPH. PENNY TO NICKEL SIZE HAIL...AND WINDS TO 50 MPH ARE EXPECTED WITH THESE STORMS. BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND BECOME SEVERE. THIS INCLUDES INTERSTATE 70 BETWEEN MILE MARKERS 77 AND 100. FOLTZ
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GOODLAND KS 537 PM MDT TUE JUN 10 2008 KSZ015-016-110015- GRAHAM-SHERIDAN- 637 PM CDT TUE JUN 10 2008 ...THE NATIONAL WEATHER SERVICE IN GOODLAND HAS ISSUED A SIGNIFICANT WEATHER ALERT FOR SHERIDAN COUNTY IN NORTHWEST KANSAS AND GRAHAM COUNTY IN NORTHWEST KANSAS... AT 636 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM NEAR PARK...AND MOVING NORTHEAST AT 30 MPH. PENNY TO NICKEL SIZE HAIL...AND WINDS TO 50 MPH ARE EXPECTED WITH THIS STORM. BE PREPARED TO TAKE SHELTER IN THE EVENT THESE STORMS INTENSIFY AND BECOME SEVERE. FOLTZ
The Goodland radar (KGLD), 136 km away, was scanning. The volume nearest the first event began at 00:03 UTC.
12 hail. Local standard time, as filed.
NSSL SHAVE project gathered dozens of reports of large hail in a 30 mile swath across Graham County. Most reports were golf ball or larger, with softball size (4.50) diameter hailstones reported south of Hill City.
Softball size hail was reported to have covered the ground.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Kansas in 2008Every state in 2008This day in weather historyWarnings in Kansas, June 2008
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: 102414, 101673, 101674, 101675, 101676, 101677, 101678, 101679, 101680, 101681, 101682, 101683.