Drought conditions remained in place across portions of Southeast Utah in July.
Every event with a place to put it; 2 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 GJT wrote it up.
Drought conditions remained in place across portions of Southeast Utah in July.
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 30, 8:06 PM MST, 3 hours 54 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 906 PM MDT THU JUN 30 2011 .UPDATE...WINDS HAVE GRADUALLY DECREASED THIS EVENING OVER THE SOUTHWEST CORNER OF COLORADO. ALSO...RELATIVE HUMIDITY VALUES HAVE INCREASED. THEREFORE CRITICAL FIRE WEATHER CONDITIONS ARE NO LONGER BEING MET OVER MOST OF THE LOWER ELEVATIONS OF SOUTHWEST COLORADO... THUS THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. .PREVIOUS DISCUSSION ISSUED /317 PM MDT THU JUN 30 2011/... .SHORT TERM DISCUSSION...TONIGHT THROUGH SATURDAY... STRONG UPPER LEVEL LOW PUSHING THROUGH THE FORECAST AREA THIS AFTERNOON TRIGGERING WIDESPREAD SEVERE WEATHER. THIS ACTIVITY WILL BE ENDING SHORTLY AFTER TROUGH PASSAGE...WITH BULK OF SEVERE CONVECTION DONE BY EARLY THIS EVENING. SOME SHOWERS WILL LINGER THROUGH MIDNIGHT...MAINLY OVER THE NORTHERN ZONES WITH BRIEF PERIOD OF NW FLOW. STRONG SUBSIDENCE ELSEWHERE WILL CLEAR SKIES OUT RATHER QUICKLY...WITH MUCH COOLER TEMPS EXPECTED OVERNIGHT. LIGHT NORTHWEST FLOW SETS UP ON FRIDAY...AND WILL GRADUALLY SWING BACK AROUND TO THE WEST BY SATURDAY. EXPECT A FEW DIURNALLY DRIVEN STORMS BOTH DAYS...MAINLY CONFINED TO THE HIGHER TERRAIN. SLIGHTLY BELOW SEASONAL TEMPS EXPECTED ON FRIDAY...WITH READINGS JUMPING A GOOD 5 TO 10 DEGREES BY SATURDAY. .LONG TERM DISCUSSION...SATURDAY NIGHT THROUGH WEDNESDAY... HIGH PRESSURE WILL BECOME CENTERED OVER THE FOUR CORNERS REGION THIS WEEKEND AND WILL REMAIN IN PLACE THROUGH LATE NEXT WEEK. MOISTURE SNEAKING NORTHWARD WILL BE GETTING RECYCLED DAILY TO TRIGGER DIURNALLY DRIVEN CONVECTION EACH AFTERNOON AND EVENING...FOCUSED PRIMARILY ON THE HIGHER TERRAIN. TEMPS WILL BE RUNNING NEAR TO SLIGHTLY ABOVE SEASONAL NORMS THROUGH THE PERIOD. && .AVIATION... SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS WILL IMPACT THE REGION TODAY RESULTING IN STRONG OUTFLOW WINDS. FAST MOVING STORMS WILL BE CAPABLE OF GENERATING WIND GUSTS OF 35 TO 45 MPH. STRONGER CELLS WILL BE CAPABLE OF PRODUCING BRIEF MVFR VSBY IN MODERATE TO HEAVY RAIN. CONDITIONS WILL BEGIN TO IMPROVE FROM WEST TO EAST THIS AFTERNOON AS THE STORM SYSTEM PASSES OVERHEAD. SHOWERS AND THUNDERSTORMS WILL DIMINISH EARLY IN THE EVENING AND A RETURN TO VFR CONDITIONS IS EXPECTED REGION WIDE FOR THE REMAINDER OF THE NIGHT. && .FIRE WEATHER... STRONG WEST TO SOUTHWEST WINDS HAVE DEVELOPED ACROSS SOUTHWEST COLORADO THIS AFTERNOON AS AN UNSEASONABLY STRONG UPPER LOW MOVES INTO NORTHWEST COLORADO. DRIER AIR IS BEING ADVECTED INTO THE FOUR CORNERS REGION WITH RELATIVE HUMIDITY LEVELS DROPPING INTO THE LOWER TEENS...COMBINING WITH DRY FUELS TO CREATE CRITICAL FIRE WEATHER CONDITIONS. SOME RECOVERY IN THE RELATIVE HUMIDITY IS EXPECTED BY MID EVENING...BUT WINDS MAY REMAIN ELEVATED AS A COLD FRONT APPROACHES AND THEN MOVES THROUGH WESTERN COLORADO THIS EVENING. THIS WILL BRING A WIND SHIFT TO THE NORTH TO NORTHWEST...WITH WINDS EXPECTED TO BECOME LIGHT BY MIDNIGHT. TEMPERATURES WILL RETURN TO NEAR NORMAL BY FRIDAY...WARMING TO ABOVE NORMAL THROUGH THE WEEKEND. WINDS ALOFT HOWEVER LOOK TO BE MUCH LIGHTER THAN DAYS PAST WITH HIGH PRESSURE BUILDING IN ALOFT. THE MAIN CONCERN COULD TURN TO AFTERNOON THUNDERSTORMS THAT MAY CONTAIN LITTLE RAINFALL. A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM THIS EVENING. THE AREAS COVERED BY THIS WARNINGS ARE THE LOWER ELEVATIONS OF FAR SOUTHWEST COLORADO...WHERE FUELS ARE CONSIDERED CRITICALLY DRY. && .HYDROLOGY... HOT TEMPERATURES CONTINUE THE SNOWMELT RUNOFF FROM HIGH ELEVATION SNOWPACK. THEREFORE RIVER LEVELS WILL REMAIN HIGH THIS WEEK. MANY RIVERS ARE ABOVE BANKFULL WITH A FEW ABOVE FLOOD STAGE. SOME RIVER POINTS WILL INCREASE AGAIN THE END OF THE WEEK INCLUDING THE GREEN AT JENSEN AND DUCHESNE AT RANDLETT. THE DUCHESNE RIVER MAY SEE SOME THE HIGHEST PEAK OF THE SEASON. WATERWAYS REMAIN DANGEROUS DUE TO FAST MOVING COLD WATER AND THE POTENTIAL FOR BANK EROSION. CURRENT HIGHLIGHTS IN EFFECT INCLUDE... ...FLOOD WARNINGS... IN EASTERN UTAH... GREEN RIVER... ...WESTERN GRAND AND EASTERN EMERY COUNTY UNTIL 900 AM MONDAY. ...NEAR JENSEN UTAH UNTIL FURTHER NOTICE. FROM MELTING SNOW ...NORTHWEST UINTAH COUNTY UNTIL FURTHER NOTICE. IN WESTERN COLORADO... COLORADO RIVER... ...NEAR CAMEO UNTIL FURTHER NOTICE ...FLOOD ADVISORIES... IN WESTERN COLORADO... ...EAGLE CO UNTIL FRIDAY... ...ROUTT CO UNTIL FRIDAY... COLORADO RIVER... ...NEAR THE COLORADO-UTAH STATELINE UNTIL FURTHER NOTICE. EAGLE RIVER... ...NEAR GYPSUM UNTIL FRIDAY AFTERNOON. ...NEAR DOTSERO INCLUDING GLENWOOD CANYON THROUGH FRIDAY. IN EASTERN UTAH... GREEN RIVER... ...EASTERN DAGGETT COUNTY UNTIL 530 PM SUNDAY. COLORADO RIVER... ...NEAR THE COLORADO-UTAH STATELINE UNTIL FURTHER NOTICE. && .GJT WATCHES/WARNINGS/ADVISORIES... CO...NONE. UT...NONE. && SHORT TERM.....JDC LONG TERM......AS/JDC AVIATION.......DP FIRE WEATHER...DP HYDROLOGY......AS UPDATE.........EH
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 1037 PM MDT THU JUN 30 2011 COZ001>014-017>023-UTZ022>025-027>029-011200- 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- 1037 PM MDT THU JUN 30 2011 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...REST OF TONIGHT... ABOVE NORMAL TEMPERATURES DURING THE PREVIOUS FEW DAYS WILL KEEP RIVERS RUNNING HIGH AND FAST THROUGH TONIGHT. NUMEROUS FLOOD ADVISORIES AND WARNINGS REMAIN IN EFFECT FOR MUCH OF NORTHWEST COLORADO AND NORTHEAST UTAH. PLEASE VISIT THE NATIONAL WEATHER SERVICE GRAND JUNCTION WEBSITE AT WEATHER.GOV/GJT FOR THE LATEST INFORMATION. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY... SHOWERS AND THUNDERSTORMS WILL CONTINUE THROUGH THURSDAY EVENING. HOT AND DRY CONDITIONS RETURN SATURDAY THROUGH THE FIRST PART OF THE WEEK WITH STORMS POSSIBLE OVER THE HIGHER TERRAIN AS MOISTURE WORKS ITS WAY IN BY EARLY NEXT WEEK FROM THE SOUTH. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT. TGJT
The national radar mosaic for the moment the first event began.
2 drought. Local standard time, as filed.
Moderate drought conditions prevailed across the area.
Abnormally dry conditions across the southern portion of the area shifted northward a little by the end of the month.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2011Every state in 2011This day in weather historyWarnings in Utah, July 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: 347433, 358140.