A dust devil produced strong winds just west of Fruita.
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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 GJT wrote it up.
A dust devil produced strong winds just west of Fruita.
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 Grand Junction, CO wrote its last area forecast discussion before the first event at Jun 18, 2:45 AM MST, 10 hours 59 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 345 AM MDT THU JUN 18 2009 .SHORT TERM...TODAY THROUGH FRIDAY NIGHT... SOUTHERN PART OF THE TROUGH IS DEEPENING THIS MORNING AS THE NORTHERN PART INCHES EAST. THE NORTHERN TROUGH WILL CONTINUE TO SLIDE EAST TODAY WITH THE SOUTHERN PORTION SKIRTING THE NORTHERN HALF OF EASTERN UT AND WESTERN CO...THEREFORE EXPECT MORE CONVECTIVE ACTIVITY THAN THE PAST FEW DAYS. WEAK SURFACE BOUNDARY MOVES OVER THE NORTHERN TIER COUNTIES OF THE CWA AND HELPS FOCUS THE SHOWER AND THUNDERSTORMS DEVELOPMENT. FOLLOWED THE SLIGHT COOLING TREND AND LOWERED TEMPERATURES SLIGHTLY MAINLY OVER THE CENTRAL AND NORTHERN PART OF THE FORECAST AREA. TROUGH AXIS CONTINUES TO TRACK EAST AND OVER THE DIVIDE OVERNIGHT THURSDAY. SHOWERS WILL DECREASE LATE IN THE EVENING FROM WEST TO EAST. SHORTWAVE RIDGE WILL TAKE HOLD AND HELP REDUCE SHOWER AND THUNDERSTORM DEVELOPMENT FRIDAY. CLOUD COVER WILL DECREASE AND ALLOW FOR A WARM UP IN DAY TIME TEMPERATURES...ALTHOUGH STILL BELOW SEASONAL NORMALS. THE RIDGE SHIFTS TO THE EAST AS THE SOUTHERN PART OF THE CURRENT TROUGH FINALLY STARTS TO EJECT EASTWARD. SOUTHWESTERLY FLOW WILL AGAIN BRING AN INCREASE IN MOISTURE AND CLOUD COVER STARTING FRIDAY NIGHT. INCREASED CC ALONG THE SOUTHERN TIER OF COUNTIES AND ALONG MOUNTAINS FRIDAY EVENING... THEN MORE WIDESPREAD AFTER MIDNIGHT. .LONG TERM...SATURDAY THROUGH THURSDAY... MODELS CONTINUE TO PAINT AN ACTIVE AND MOIST SATURDAY AS A SHORTWAVE EJECTS OFF THE WESTERN U.S. TROUGH AND PASSES OVER THE AREA...AND MOISTURE SURGES UP FROM THE SOUTH. THERE ARE TIMING DIFFERENCES BETWEEN THE MODELS WITH THE NAM MAINTAINING A DEEPER AND SLOWER MOVING SHORTWAVE WHILE THE ECMWF AND GFS FAVOR A WEAKER AND FASTER MOVING SHORTWAVE...AND HAVE TRENDED NORTHEAST WITH THIS SYSTEM OVER THE PAST FEW RUNS. HAVE FOLLOWED THE GFS/ECMWF SOLUTION WHICH PRODUCES THE BULK OF THE PRECIPITATION OVER THE FORECAST AREA SATURDAY INTO SATURDAY NIGHT. BEHIND THIS SYSTEM DRIER AIR WILL QUICKLY WORK INTO THE REGION FOR SUNDAY AND MONDAY. BUFKIT SOUNDINGS INDICATE THAT PRECIPITABLE WATER VALUES WILL DROP AS LOW AS 0.25 INCHES AND MODEL CROSS SECTIONS SHOW LOW RELATIVE HUMIDITIES THROUGH THE LOW AND MID LEVELS OF THE ATMOSPHERE. SO...HAVE TRENDED POPS LOWER ON SUNDAY AND MONDAY...LEAVING ONLY SLIGHT CHANCE POPS IN THE MOUNTAINS WHERE RESIDUAL MOISTURE COULD STILL RESULT IN AN ISOLATED SHOWER. THE LARGE SCALE WESTERN U.S. TROUGH/CENTRAL U.S. RIDGE WILL PERSIST INTO MIDWEEK AT LEAST. BUT THE RIDGE DOES AMPLIFY AND SHIFT WESTWARD A LITTLE THROUGH THE PERIOD. THE GFS AND ECMWF SOLUTIONS SPLIT LATER NEXT WEEK WITH THE ECMWF TRYING TO REJUVENATE THE WESTERN TROUGH WHILE THE GFS MAINTAINS A STRONG RIDGE OVER THE FORECAST AREA. TEMPERATURES BY EARLY NEXT WEEK WILL BE AT OR SLIGHTLY ABOVE NORMAL. && .AVIATION... SHOWERS AND THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE TODAY...WITH LOCALIZED MVFR CONDITIONS POSSIBLE IN SOME OF THE HEAVIER STORMS OVER NE UT AND NW CO. GUSTY OUTFLOW WINDS WILL BE THE PRIMARY THREAT...ALTHOUGH SMALL HAIL AND BRIEF MODERATE TO HEAVY RAINFALL IS ALSO POSSIBLE. SHOWERS AND CLOUDS WILL DECREASE LATE TONIGHT INTO FRIDAY. && .GJT WATCHES/WARNINGS/ADVISORIES... .CO...NONE. .UT...NONE. SHORT TERM.....AS LONG TERM......BAL AVIATION.......AS
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 600 AM MDT THU JUN 18 2009 COZ001>014-017>023-UTZ022>025-027>029-191200- ANIMAS RIVER BASIN-ARCHES/GRAND FLAT-CANYONLANDS/NATURAL BRIDGES- CENTRAL COLORADO RIVER BASIN- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN- CENTRAL YAMPA RIVER BASIN-DEBEQUE TO SILT CORRIDOR- EASTERN UINTA BASIN-EASTERN UINTA MOUNTAINS- ELKHEAD AND PARK MOUNTAINS-FLAT TOPS- FOUR CORNERS/UPPER DOLORES RIVER- GORE AND ELK MOUNTAINS/CENTRAL MOUNTAINS-GRAND AND BATTLEMENT MESAS- GRAND VALLEY-LA SAL AND ABAJO MOUNTAINS-LOWER YAMPA RIVER BASIN- NORTHWEST SAN JUAN MOUNTAINS-PARADOX VALLEY/LOWER DOLORES RIVER- ROAN AND TAVAPUTS PLATEAUS-SAN JUAN RIVER BASIN-SOUTHEAST UTAH- SOUTHWEST SAN JUAN MOUNTAINS-TAVAPUTS PLATEAU- UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE-UPPER GUNNISON RIVER VALLEY- UPPER YAMPA RIVER BASIN-WEST ELK AND SAWATCH MOUNTAINS- 600 AM MDT THU JUN 18 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT... SCATTERED SHOWERS AND THUNDERSTORMS WILL FOCUS MAINLY OVER THE NORTHERN PORTION OF EASTERN UTAH AND WESTERN COLORADO. ISOLATED THUNDERSTORMS WILL OCCUR OVER THE SOUTHERN MOUNTAINS. THE STRONGER STORMS WILL PRODUCE GUSTY WINDS...SMALL HAIL AND BRIEF HEAVY RAINFALL. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY... AFTER ONLY A FEW SHOWERS ON FRIDAY SCATTERED AFTERNOON THUNDERSTORMS WILL DEVELOP EACH DAY OVER THE MOUNTAINS...BUT ONLY A FEW STORMS WILL IMPACT VALLEY AREAS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT.
The national radar mosaic for the moment the first event began.
1 dust devil. Local standard time, as filed.
A dust devil traveled directly into an anemometer which measured a peak wind gust of 66 mph. Unsecured items were blown over and tossed about.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2009Every state in 2009This day in weather historyWarnings in Colorado, June 2009
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: 180856.