Heavy rain producing thunderstorms resulted in minor flooding in the Glenwood Springs and Carbondale areas.
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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.
Heavy rain producing thunderstorms resulted in minor flooding in the Glenwood Springs and Carbondale areas.
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 Jul 25, 2:15 PM MST, 1 hour 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 315 PM MDT WED JUL 25 2007 .SHORT TERM (TONIGHT THROUGH FRIDAY)... A WEAK SHORTWAVE DRIFTED NORTHEAST ACROSS THE NORTHERN ZONES OF THE CWFA GENERATING ISOLATED THUNDERSTORMS LATE LAST NIGHT AND THROUGH THE MORNING. AS THIS FEATURE DRIFTED INTO THE NORTHERN MOUNTAINS TOWARD NOON...NUMEROUS THUNDERSTORMS FIRED OVER THE FLAT TOPS. MEANWHILE...CONVECTION WAS SLOWER TO FIRE OVER THE SAN JUAN MOUNTAINS. HIGH PRESSURE OVER THE PLAINS HAS RETROGRADED WITH THE HIGH CENTER SOMEWHERE IN THE VICINITY OF KDEN EARLY THIS AFTERNOON. AS A RESULT...STORMS ALONG THE DIVIDE WERE SHOWING A SLOW EASTERLY DRIFT WHILE STORMS OVER WESTERN CO AND EASTERN UT WERE MOVING TO THE NORTHEAST. TONIGHT: HIGH PRESSURE WILL CONTINUE TO RETROGRADE WITH THE HIGH CENTER MOVING OVER THE PAGOSA SPRINGS AREA BY 12Z THURSDAY. PW VALUES WERE QUITE HIGH THIS MORNING...THOUGH SHOWERS IN THE AREA THIS A.M. LIKELY JUICED THE NUMBER A BIT. UNABLE TO IDENTIFY ANY UPPER LEVEL FORCING...SO EXPECT THE EVENING THUNDERSTORMS TO DIE OFF BY MIDNIGHT. FLOW IS LIGHT OVER THE AREA WITH HIGH CENTER IN CLOSE PROXIMITY...SO EXPECT SLOW MOVING STORMS WITH SOME ISOLATED FLOODING IN THE LATE AFTERNOON/EVENING PERIOD. THURSDAY: HIGH CENTER WILL MOVE TO THE FOUR CORNERS AND AS A RESULT...FLOW WILL REMAIN LIGHT WITH A MORE WESTERLY FETCH NORTH... VARIABLE ACROSS THE SOUTH. SUB-TROPICAL MOISTURE WILL REMAIN DEEP SO EXPECT CONVECTION TO ERUPT IN THE AFTERNOON...IMPACTING THE VALLEYS LATE IN THE AFTERNOON INTO THE EARLY EVENING. ONE AREA OF INTEREST IS NORTH HOWEVER...AS NAM INDICATED WEAK BAROCLINIC ZONE ORIENTED EAST-WEST ACROSS THE NORTHERN PLATEAU. LOW LEVEL CONVERGENCE COMBINED WITH WEAK UPPER-LEVEL DISTURBANCE MAY RESULT IN MORE NUMEROUS TSTORMS THAN IN PREVIOUS DAYS. NOTED 18Z NAM RUN LESS IMPRESSIVE SO WILL CONTINUE TO MONITOR THE SITUATION AND WILL LEAVE SCATTERED POPS OVER THE AREA. THURSDAY NIGHT-FRIDAY: THUNDERSTORMS WILL AGAIN DIE OFF IN THE OVERNIGHT PERIOD WITH MORE THUNDERSTORMS DEVELOPING FRIDAY AFTERNOON. HIGH TO RETROGRADE FARTHER WEST SO STORMS MOVEMENT WILL SHIFT TO THE WEST AND NORTHWEST. FLOW FROM THE WEST WILL LIMIT CONVECTION OVER EASTERN UTAH AND EXTREME WESTERN COLORADO WHILE LITTLE CHANGE EXPECTED ELSEWHERE ACROSS THE CWFA. TEMPERATURES WILL CONTINUE TO RUN NEAR NORMAL. .LONG TERM (FRIDAY NIGHT THROUGH WEDNESDAY)... EVEN WITH THE BROAD UPPER HIGH CENTER OVER THE FORECAST AREA...A PERIOD OF HIGH-GRADE MONSOON IS EXPECTED FRIDAY NIGHT AND THEN AGAIN NEXT WEEK. FRIDAY NIGHT...NW FLOW AROUND THE HIGH IS IMPEDED UPON BY A SURGE FROM THE EAST. THE STRONGEST CONVERGENCE IS PROGGED BY THE GFS TO BE NEAR THE GRAND MESA...WHILE THE NAM HAS THAT POINT JUST SOUTH OF THE FOUR-CORNERS. FOR NOW EXPECT ENHANCED CONVECTION IN WESTERN COLORADO. SATURDAY...NW FLOW RE-ESTABLISHES FAVORING THE SAN JUAN REGION WITH ENHANCED SHOWERS AND STORMS. FOR THE NEW WEEK...WE ARE WATCHING AN EASTERLY WAVE SLOWLY ROTATING ALONG THE BOTTOM OF THE RIDGE...FROM TEXAS INTO NM BY SUNDAY...AND THEN INTO THE SOUTHERN GREAT BASIN BY TUESDAY. IF THIS PATH AND TIMING CONTINUE...EXPECT ENHANCED CONVECTION FOR THE REGION BY EARLY NEXT WEEK. THESE TROPICAL FEATURES ARE CAPABLE OF PRODUCING WIDESPREAD SHOWERS INCLUDING AN INCREASE IN FLOODING POTENTIAL. WITH LOTS OF VARIABLES...HAVE RAISED POPS FOR THE CWA BUT REMAINED IN THE SCATTERED CATEGORY. STAY TUNED. && .AVIATION... SCATTERED TO NUMEROUS SHOWERS AND THUNDERSTORMS EXPECTED TO CONTINUE THROUGH THE REMAINDER OF THE WEEK...MAINLY DURING LATE AFTERNOON AND EVENING HOURS. VFR CONDITIONS SHOULD PREVAIL...ALTHOUGH SOME STORMS WILL LIKELY PRODUCE MOUNTAIN OBSCURATIONS AND LOCAL MVFR CONDITIONS IN HEAVY RAIN AND LOWERED CEILINGS. && .GJT WATCHES/WARNINGS/ADVISORIES... .CO...NONE. .UT...NONE. SHORT TERM...NL LONG TERM...JOE+ELH AVIATION...NL/TAL
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 545 AM MDT WED JUL 25 2007 COZ001>014-017>023-UTZ022>025-027>029-261145- 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- 545 AM MDT WED JUL 25 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP AGAIN THIS AFTERNOON AND CONTINUE THROUGH THE EVENING HOURS...BEFORE DECREASING LATE TONIGHT. IN ADDITION TO DANGEROUS CLOUD TO GROUND LIGHTNING...LOCALLY HEAVY RAINFALL AND SMALL HAIL WILL BE POSSIBLE. HEAVY RAINFALL MAY CAUSE A FEW ARROYOS AND SMALL STREAMS TO QUICKLY FILL OR RUN HIGH WITH FAST FLOWING WATER. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SCATTERED SHOWERS AND THUNDERSTORMS...MAINLY IN THE AFTERNOONS AND EVENINGS...ARE EXPECTED TO CONTINUE THROUGH THE PERIOD. LIGHTNING AND LOCALLY HEAVY RAINFALL CAN BE EXPECTED WITH THE STORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED TODAY OR TONIGHT. HOWEVER...REPORTS TO THE NATIONAL WEATHER SERVICE OF HEAVY RAIN... HAIL...AND ANY WEATHER RELATED DAMAGE WOULD BE GREATLY APPRECIATED.
The national radar mosaic for the moment the first event began.
2 heavy rain. Local standard time, as filed.
Runoff from heavy rain producing thunderstorms caused a small stream in Carbondale to overflow its banks. Water from the stream flowed onto a neighborhood sidewalk. A spotter in Carbondale measured 0.60 of an inch of rain within 10 minutes.
Thunderstorms produced heavy rain that caused street flooding in Glenwood Springs and ponding of water on Interstate 70 near Mile Marker 114.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2007Every state in 2007This day in weather historyWarnings in Colorado, July 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: 55150, 55149.