The effects of long term drought were still being felt across eastern Utah with moderate drought conditions plaguing much of the area.
Every event with a place to put it; 7 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.
The effects of long term drought were still being felt across eastern Utah with moderate drought conditions plaguing much of the area.
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 Sep 30, 1:26 PM MST, 10 hours 34 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 226 PM MDT SUN SEP 30 2007 .SHORT TERM...TONIGHT THROUGH TUESDAY... SHORTWAVE RIDGING BUILDING INTO THE FORECAST AREA TODAY...WITH DRY AND CLEAR CONDITIONS IN PLACE OVER THE FORECAST AREA. NEXT SYSTEM REMAINS ON TRACK...ALTHOUGH JUST A TAD SLOWER THAN PREVIOUS RUNS WERE INDICATING. MOISTURE FROM THE REMNANTS OF TROPICAL STORM JULIETTE ARE STILL EXPECTED TO LIFT QUICKLY NORTHWARD INTO THE SOUTHWEST STATES TONIGHT AND MONDAY. FLOW ALOFT OVER OUR AREA WILL ALSO BE SHIFTING TO A MORE SOUTHERLY COMPONENT AS THE SHRTWV RIDGE HEADS EAST WITH ANOTHER SHARP TROUGH DIGGING INTO THE WESTERN U.S. THE MOISTURE FROM THE SOUTH AND ENERGY APPROACHING FROM THE WEST PHASE TOGETHER LATE MONDAY AFTERNOON AND MONDAY NIGHT ACROSS EASTERN UTAH AND WESTERN COLORADO. THIS WILL TRIGGER ANOTHER WIDESPREAD PRECIPITATION EVENT OVER THE AREA BY MONDAY EVENING. HAVE RAMPED POPS UP INTO THE LIKELY CATEGORY FOR MUCH OF THE FORECAST AREA. SNOW LEVELS REMAIN QUITE HIGH ON MONDAY...UNTIL COLDER AIR ARRIVES WITH THE APPROACHING TROUGH. HOWEVER...THE TROUGH ACTS TO SWEEP MUCH OF THE DEEPER MOISTURE OUT OF THE REGION BY MIDNIGHT MONDAY NIGHT. THIS WILL BRING AN END TO THE WIDESPREAD PRECIPITATION...SHIFTING FOCUS TO MORE NORTHWEST ORIENTED VALLEYS AS FLOW BECOMES NORTHWESTERLY. DIMINISHING MOISTURE AND LATE FALLING SNOW LEVELS WILL KEEP MOST SNOW ACCUMULATIONS UNDER FOUR INCHES WITH THIS SYSTEM. MIN TEMPS MODERATE SLIGHTLY TONIGHT WITH STRONG WAA ALOFT. HOWEVER... THIN BLANKET OF HIGH CLOUDS MAY NOT ARRIVE UNTIL AFTER SUNRISE. THIS WILL RESULT IN COLDER TEMPS THAN PREVIOUSLY THOUGHT AND HAVE UNDERCUT GUIDANCE NUMBERS SOME 5 DEGREES IN MOST AREAS. LOWER VALLEYS THAT HIT FREEZING LAST NIGHT WILL AGAIN BE AT RISK FOR ANOTHER FREEZE TONIGHT. EXPECT TEMPS IN THE GRAND VALLEY TO STAY ABOVE FREEZING WITH DRAINAGE WINDS KICKING IN. INCREASING CLOUD COVER AND MOISTURE MONDAY WILL KEEP TEMPS BELOW NORMAL WITH MOS NUMBERS GENERALLY FOLLOWED. ANOTHER COLD NIGHT MONDAY NIGHT WITH LATE CLEARING AND DRYING...FOLLOWED BY ANOTHER BELOW NORMAL DAY ON TUESDAY WITH REINFORCING SHOT OF COOL AIR BEHIND THE EXITING TROUGH. .LONG TERM...TUESDAY NIGHT THROUGH SUNDAY... NO END IN SIGHT FOR CURRENT PROGRESSIVE PATTERN BRINGING DECENT BURST OF ENERGY FROM THE PACIFIC NORTHWEST INTO THE REGION EVERY FEW DAYS. NEXT SYSTEM FOR THURSDAY IS QUITE WEAK COMPARED TO THE PAST TWO. END OF WEEK BRINGS A BETTER RETURN OF WEATHER FOR LATE FRIDAY THROUGH SATURDAY NIGHT. THE EC MODEL HAS NOW MOVED AHEAD OF GFS WITH TIMING FOR THIS UPCOMING SYSTEM. IN BETWEEN WE WILL SEE SHORT PERIODS OF COOL CLEAR WEATHER UNDER A BRIEF RIDGE THEN ZONAL FLOW SETS UP INCREASING WINDS AHEAD OF THE EACH SYSTEM. CURRENT FORECAST IN GOOD SHAPE SO ONLY A FEW MINOR TWEAKS MADE. 21/DJC && .AVIATION... VFR FOR THE PERIOD. && .GJT WATCHES/WARNINGS/ADVISORIES... .CO...NONE. .UT...NONE. SHORT TERM...JDC LONG TERM....DJC AVIATION.....DJC
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 428 AM MDT SUN SEP 30 2007 COZ001>014-017>023-UTZ022>025-027>029-011100- 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- 428 AM MDT SUN SEP 30 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT ISOLATED SNOW SHOWERS WILL CONTINUE TODAY NEAR THE CONTINENTAL DIVIDE IN WESTERN COLORADO WITH LITTLE ADDITIONAL SNOW ACCUMULATION. ROADS OVER HIGH MOUNTAIN PASSES MAY REMAIN LOCALLY ICY AND SNOWPACKED FROM YESTERDAYS SNOWFALL. ALSO...NORTHWEST WINDS OF 10 TO 20 MPH MAY CAUSE AREAS OF REDUCED VISIBILITY IN BLOWING SNOW .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THE NEXT CHANCE OF VALLEY RAIN SHOWERS AND THUNDERSTORMS...AND MOUNTAIN THUNDERSTORMS WITH RAIN AND SNOW SHOWERS...COMES ON MONDAY AND MONDAY NIGHT WHEN ANOTHER PACIFIC STORM MOVES THROUGH THE AREA. THEN THE CHANCE OF THUNDERSTORMS WITH VALLEY RAIN SHOWERS AND MOUNTAIN RAIN AND SNOW SHOWERS WILL DEVELOP OVER THE AREA AGAIN ON FRIDAY NIGHT INTO SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. CUOCO
The national radar mosaic for the moment the first event began.
7 drought. Local standard time, as filed.
Despite some autumn precipitation, the effects of long term drought continued to plague the Eastern Uinta Mountains and moderate drought conditions persisted. For a continuation on this drought situation please see the November 2007 Storm Data publication.
Despite some autumn precipitation, the effects of long term drought continued to plague the Eastern Uinta Basin and moderate drought conditions persisted over the majority of the area. For a continuation on this drought situation please see the November 2007 Storm Data publication.
Despite some autumn precipitation, the effects of long term drought continued to plague the Tavaputs Plateau and moderate drought to abnormally dry conditions persisted. For a continuation on this drought situation please see the November 2007 Storm Data publication.
Despite some autumn precipitation, the effects of long term drought continued to plague the area and moderate drought to abnormally dry conditions persisted. For a continuation on this drought situation please see the November 2007 Storm Data publication.
Despite some autumn precipitation, the effects of long term drought continued to plague the area and moderate drought to abnormally dry conditions persisted. For a continuation on this drought situation please see the November 2007 Storm Data publication.
Despite some autumn precipitation, the effects of long term drought continued to plague the area and severe to moderate drought conditions persisted. For a continuation on this drought situation please see the November 2007 Storm Data publication.
Despite some autumn precipitation, the effects of long term drought continued to plague the area. Severe drought condtions persisted across the extreme western portion of the area, improving to abnormally dry conditions across extreme southeast Utah. For a continuation on this drought situation please see the November 2007 Storm Data publication.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Utah in 2007Every state in 2007This day in weather historyWarnings in Utah, October 2007
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: 62769, 62770, 62771, 62772, 62773, 62774, 62775.