Strong thunderstorms produced heavy rainfall and damaging winds over portions of Archuleta County.
Every event with a place to put it. 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.
Strong thunderstorms produced heavy rainfall and damaging winds over portions of Archuleta County.
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 Aug 24, 2:00 PM MST, 4 hours earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 300 PM MDT TUE AUG 24 2010 .SHORT TERM...TONIGHT THROUGH THURSDAY... DRIER AIR HAS SPREAD ACROSS OUR ENTIRE CWA...WITH LOWER SURFACE DEW POINT TEMPS THAN YESTERDAY AT THIS TIME...EXCEPT FOR KGUC WHICH IS SLIGHTLY MORE MOIST. THIS DRYING TREND SHOULD CONTINUE THROUGH THURSDAY. HOWEVER...STILL ENOUGH MID LEVEL MOISTURE ACROSS SW CO AND CNTRL CO MTNS NEAR CONTINENTAL DIVIDE TO GENERATE SOME SHOWERS AND TSTMS DUE TO SOLAR HEATING...THOUGH LESS CONVECTION ON WEDNESDAY... AND EVEN LESS OR NONE BY THURSDAY. ONE FLY IN THE OINTMENT IS THE MODELS INDICATING MEASURABLE RAINFALL ACROSS PORTIONS OF SW CO TONIGHT...THOUGH DYNAMICS APPEAR TO BE LACKING. KEPT SLIGHT CHANCE POPS FOR WESTERN SAN JUAN MTNS FOR TONIGHT. NIGHT CREWS SHOULD KEEP AN EYE ON THIS. WITH ABUNDANT SUNSHINE AND MODELS INDICATING SOME H7 LEVEL WARMING OVER OUR REGION THROUGH THURSDAY...EXPECT GRADUAL WARMING TREND TO CONTINUE ACROSS OUR ENTIRE CWA. MAX TEMPS SHOULD BE 5-8 DEGREES ABOVE NORMAL. MIN TEMPS SHOULD BOTTOM OUT AGAIN TONIGHT AND WEDNESDAY NIGHT DUE TO LOWER DEW POINT TEMPS AND CLEAR SKIES. SOME OF THE COLDER VALLEYS SHOULD DROP INTO THE 30S TONIGHT. .LONG TERM...THURSDAY NIGHT THROUGH TUESDAY... HIGH PRESSURE WILL START TO GET FLATTENED THURSDAY NIGHT AS WEST COAST TROF DEEPENS. MOISTURE TO OUR WEST THAT HAD ALREADY BEEN BROUGHT NWRD IN THE SRLY FLOW WILL MOVE EWRD INTO OUR CWA. AT THIS TIME SCATTERED POPS APPEAR JUSTIFIED AS FORCING REMAINS LIMITED. WEST COAST TROF SPLITS SATURDAY WITH SRN BRANCH DEEPENING ALONG THE CA COAST. MSTR PLENTIFUL AND RIGHT ENTRANCE REGION OF OF JET CLOSE ENUF TO PROVIDE SOME DYNAMICAL FORCING FOR MORE ORGANIZED STORM DEVELOPMENT. AS A RESULT EXPECT SATURDAY WILL BE THE MOST ACTIVE WX DAY THIS LONG TERM PERIOD. SOUTHWEST WINDS ALOFT WILL KEEP STORMS MOVING SO POTENTIAL FOR HEAVY RAIN LIMITED UNLESS TRAINING OCCURS. SUNDAY THE DRY SLOT WILL WORK INTO THE REGION AS TROF MOVES INTO THE GRT BASIN. ENOUGH RESIDUAL MSTR AND DYNAMICS TO SUPPORT SCT MTN TSTMS. THE EC A BIT SLOWER AND DEEPER MONDAY AS IT TRIES TO CLOSE A LOW NEAR SRN NV...WHICH SEEMS A BIT ODD GIVEN THE TIME OF YEAR. WILL STICK WITH THE GFS WHICH SHOWS TROF PASSAGE MONDAY NIGHT. THIS BRINGS DRIER COOLER AIR TO THE REGION TUESDAY. && .AVIATION... EXCEPT FOR SOME AFTERNOON/EARLY EVENING SHOWERS AND THUNDERSTORMS MAINLY OVER MOUNTAINS OF SW CO....CLEAR SKIES EXPECTED TO CONTINUE ACROSS WESTERN CO AND EASTERN UT THOUGH THE NEXT COUPLE OF DAYS. && .GJT WATCHES/WARNINGS/ADVISORIES... CO...NONE. UT...NONE. SHORT TERM.....JRP LONG TERM......MC AVIATION.......JRP
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 545 AM MDT TUE AUG 24 2010 COZ001>014-017>023-UTZ022>025-027>029-251200- 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 TUE AUG 24 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT SCATTERED THUNDERSTORMS WILL DEVELOP OVER THE SOUTHERN AND CENTRAL MOUNTAINS THIS AFTERNOON...CONTINUING INTO THE EVENING. THESE STORMS WILL BE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...WIND GUSTS TO 45 MPH...SMALL HAIL AND DANGEROUS LIGHTNING. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY THERE IS A CHANCE FOR AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS MAINLY OVER THE SOUTHERN MOUNTAINS THROUGH THURSDAY. THE CHANCE FOR MAINLY LATE DAY SHOWERS AND THUNDERSTORMS WILL INCREASE AND SPREAD ACROSS THE ENTIRE FORECAST AREA FRIDAY THROUGH THE MONDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED TODAY OR TONIGHT. NL/ELH
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
623 PM MDT TUE AUG 24 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0622 PM HEAVY RAIN PAGOSA SPRINGS 37.27N 107.02W
08/24/2010 M1.04 INCH ARCHULETA CO EMERGENCY MNGR
ARCHULETA COUNTY EMERGENCY MANAGER REPORTED 1.04 INCHES
OF RAIN IN ONE HALF HOUR.
&&
EVENT NUMBER GJT1000667
CCPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
634 PM MDT TUE AUG 24 2010
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0545 PM HEAVY RAIN W PAGOSA SPRINGS 37.27N 107.02W
08/24/2010 M1.00 INCH ARCHULETA CO TRAINED SPOTTER
MINOR STREET FLOODING IN PAGOSA SPRINGS... 0.5 INCH
DEEP SMALL HAIL
&&
EVENT NUMBER GJT1000668
EHThe Grand Junction radar (KGJX), 225 km away, was scanning. The volume nearest the first event began at 01:01 UTC.
1 heavy rain, 1 thunderstorm wind. Local standard time, as filed.
Heavy rainfall rates of over an inch per hour were reported in Pagosa Springs which created localized flooding. A number of reports were received of water in homes and stores, and many roads were reported as being covered by standing water.
Thunderstorm wind gusts toppled a tree near Pagosa Springs, damaging the roof of a house.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2010Every state in 2010This day in weather historyWarnings in Colorado, August 2010
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: 353291, 353303.