Heavy rainfall produced flash flooding in the Lake City area during the afternoon of the 11th.
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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 rainfall produced flash flooding in the Lake City area during the afternoon of the 11th.
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 11, 10:48 AM MST, 47 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 1148 AM MDT FRI JUL 11 2014 .UPDATE... ISSUED AT 1133 AM MDT FRI JUL 11 2014 WATER VAPOR IMAGERY SHOWING DRY AIR MOVING INTO THE FOUR CORNERS REGION AND ADVECTING TO THE NORTHEAST THIS MORNING AND WHILE PWATS REMAIN HIGH...SIGNIFICANT SFC PRECIP AMTS HAVE NOT MATERIALIZED...AT LEAST NONE THAT WE ARE AWARE OF. MODELS CONTINUE TO SHOW HIGHEST QPF AMTS OVER NRN PORTIONS OF THE CWA AND THE CONTINENTAL DIVIDE FOR THIS AFTN AND EVENING WHERE THE BEST UPPER LEVEL SUPPORT WILL SET UP. EVEN SO...THE SAN JUANS AND AREAS SOUTH WILL ALSO SEE ISOLD/SCT SHOWERS AND STORMS WITH SOME HEAVY RAINERS POSSIBLE. HOWEVER...WITH NO REPORTS OF FLASH FLOODING OVER THE LAST TWO DAYS AND LITTLE CHANGE FROM DAY TO DAY...WENT AHEAD AND DROPPED THE FLASH FLOOD WATCH. && .SHORT TERM...(TODAY THROUGH SATURDAY) ISSUED AT 322 AM MDT FRI JUL 11 2014 SCATTERED SHOWERS AND THUNDERSTORMS CONTINUE TO MOVE NORTHEAST ACROSS THE FORECAST AREA THIS MORNING AS ANOTHER EMBEDDED WAVE ROTATES AROUND THE HIGHER CENTERED NEAR THE TEXAS AND OKLAHOMA PANHANDLES. THIS ACTIVITY WILL BE ENDING AROUND SUNRISE WITH BRIEF STABLE PERIOD THIS MORNING BEFORE WE AGAIN RECHARGE FOR ANOTHER ROUND LATER TODAY. STRONGER WAVE LIFTING ACROSS ARIZONA USHERING IN DRYER AIR...WHICH IS SHOWING UP NICELY IN WATER VAPOR IMAGERY. THIS HAS SHIFTED THE DEEPER MOISTURE PLUME THAT WAS OVER UTAH YESTERDAY INTO WESTERN COLORADO. SOME QUESTION ON HOW FAR THE DRIER AIRMASS WILL PUSH INTO OUR AREA THIS AFTERNOON AND HOW THIS WILL IMPACT OUR FLASH FLOOD WATCH. ATTM...NOT INCLINED TO DROP ANY AREAS...BUT MODELS ARE BACKING OFF ON AVAILABLE MOISTURE ACROSS SOUTHEAST UTAH BY MIDDAY WITH PRECIPITABLE WATER DROPPING TO AROUND THREE QUARTERS OF AN INCH. WITH STORMS LIKELY TO FIRE ALONG DEEPER MOISTURE GRADIENT...NOT COMFORTABLE DROPPING THE WATCH FOR ANY AREAS AS SOME QUESTION ON HOW FAR THE DRYING WILL DRIVE. OTHERWISE...AS THE STRONGER WAVE LIFTS NORTH AND EAST ACROSS EASTERN UTAH...IT WILL AID IN ANOTHER ROUND OF CONVECTION AND WITH A LITTLE BETTER SHEER IN PLACE...DEEPER LONGER LIVED CELLS ANTICIPATED...AND THIS SHOULD RESULT IN LONGER PATHS AND SOME POSSIBLE TRAINING OF HEAVIER RAINFALL...THUS INCREASING POTENTIAL FOR FLASH FLOODING. THIS WILL BE MOST PRONOUNCED IN AREAS ADJACENT TO STEEP TERRAIN AND SMALL CREEKS AND STREAMS...AND ALONG WITH OLD BURN SCARS. NO PLANS ON EXPANDING THE WATCH NORTHWARD...ALTHOUGH SOME HEAVY RAINFALL WILL BE POSSIBLE IN THIS AREA LATER TODAY. NO MAJOR SWING IN TEMPS...WITH PERSISTENCE A GOOD START. THE UPPER DISTURBANCE MOVES INTO SRN WY BY LATE EVENING. TWEAKED POPS UPWARDS EARLY SAT EVENING WITH STILL SOME DYNAMIC FORCING AS WELL AS CONVECTIVE OUTFLOW BOUNDARIES WORKING ON THE INSTABILITY AND MOISTURE STILL PRESENT. THE 00Z GFS MAINTAINS A TRAILING AREA OF WEAK 300 MB POTENTIAL VORTICITY ACROSS THE NORTH INTO SAT MORNING... FOR SOME ISOLATED SHOWERS/STORMS OVER THE FLATTOPS AND NEARER THE DIVIDE. RIDGE FLATTER ON SATURDAY BEHIND THE SHORTWAVE TROUGH WITH FLOW MORE WESTERLY. LITTLE CHANGE IN PRECIPITABLE WATER AND 700 MB SPECIFIC HUMIDITY...SO EXPECT DAYTIME HEATING TO AGAIN TRIGGER SOME AFTERNOON SHOWERS/STORMS THOUGH COVERAGE SHOULD BE LESS WITHOUT AN APPARENT UPPER DISTURBANCE IN THE MIX...AT LEAST AT THE MOMENT. TEMPS TO REMAIN NEAR SEASONAL NORMS. .LONG TERM...(SATURDAY NIGHT THROUGH THURSDAY) ISSUED AT 322 AM MDT FRI JUL 11 2014 THE UPPER HIGH RE-CENTERS TO OUR WEST OVER NV/UT SATURDAY NIGHT AND SUNDAY AS THE FLOW PATTERN AMPLIFIES WITH A LARGE AND COOL CANADIAN UPPER LOW DROPPING TO THE MANITOBA/ONTARIO BORDER. FLOW ACROSS OUR FORECAST AREA BECOMES NORTHWEST SUNDAY WITH MODELS HINTING AT SOME EROSION OF THE MOISTURE ACROSS NE UT AND NW CO BUT STILL SUFFICIENT FOR ISOLATED TO SCATTERED AFTERNOON SHOWERS AND THUNDERSTORMS. BEST CHANCES FOR STORMS WILL BE OVER THE WEST ELK/SAWATCH/SAN JUAN MTNS SUNDAY AFTERNOON. HIGH PRESSURE WILL STRENGTHEN OVER THE WESTERN U.S. MONDAY AND TUESDAY AS A DEEP AND COLD UPPER LEVEL LOW DROPS INTO THE GREAT LAKES REGION. THIS WILL PUT WESTERN COLORADO AND EASTERN UTAH BETWEEN SYSTEMS...WITH DIURNAL RECYCLING OF MOISTURE DRIVING CONVECTION EACH AFTERNOON AND EVENING THROUGH THURSDAY. RIDGE DOES FLATTEN A BIT AROUND MIDWEEK AS ANOTHER SYSTEM ROTATES AROUND THE BACK SIDE OF THE GREAT LAKES LOW...BUT SOME QUESTION ON HOW FAR WEST THIS FEATURE WILL PUSH. WILL BE SOMETHING TO WATCH. OTHERWISE...TEMPERATURES LOOK TO CLIMB BACK ABOVE SEASONAL NORMS IN MOST AREAS FOR MUCH OF THE WEEK UNDER THE INFLUENCE OF THE WESTERN RIDGE. && .AVIATION...(FOR THE 18Z TAFS THROUGH 18Z SATURDAY AFTERNOON) ISSUED AT 1133 AM MDT FRI JUL 11 2014 CONVECTION CONTINUES WITH MORE SHOWERS AND STORMS FIRING AT THIS TIME. TAF SITES HAVE A 40 TO 50 PERCENT CHANCE OF SEEING VCTS/TS FROM 18Z THROUGH 06Z WITH SOME HEAVY RAIN AND OUTFLOW WINDS BEING OF MAIN CONCERN. HIGHER TERRAIN HAS THE BEST CHANCES FOR SHOWERS AND STORMS WITH SOME CONVECTION DRIFTING INTO THE VALLEYS AFTER 00Z. VFR WILL CONTINUE FOR MUCH OF THE CWA WITH SOME SPOTTY SHOWERS OR A STORM POSSIBLE OVERNIGHT. && .GJT WATCHES/WARNINGS/ADVISORIES... CO...NONE. UT...NONE. && UPDATE...TGR SHORT TERM...JDC/JAD LONG TERM...JAD/JDC AVIATION...TGR
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 449 AM MDT FRI JUL 11 2014 COZ001>014-017>023-UTZ022>025-027>029-121100- LOWER YAMPA RIVER BASIN-CENTRAL YAMPA RIVER BASIN- ROAN AND TAVAPUTS PLATEAUS-ELKHEAD AND PARK MOUNTAINS- UPPER YAMPA RIVER BASIN-GRAND VALLEY-DEBEQUE TO SILT CORRIDOR- CENTRAL COLORADO RIVER BASIN-GRAND AND BATTLEMENT MESAS- GORE AND ELK MOUNTAINS/CENTRAL MOUNTAIN VALLEYS- CENTRAL GUNNISON AND UNCOMPAHGRE RIVER BASIN- WEST ELK AND SAWATCH MOUNTAINS-FLATTOPS- UPPER GUNNISON RIVER VALLEY-UNCOMPAHGRE PLATEAU AND DALLAS DIVIDE- NORTHWEST SAN JUAN MOUNTAINS-SOUTHWEST SAN JUAN MOUNTAINS- PARADOX VALLEY/LOWER DOLORES RIVER- FOUR CORNERS/UPPER DOLORES RIVER-ANIMAS RIVER BASIN- SAN JUAN RIVER BASIN-SOUTHEAST UTAH-EASTERN UINTA MOUNTAINS- EASTERN UINTA BASIN-TAVAPUTS PLATEAU-ARCHES/GRAND FLAT- LA SAL AND ABAJO MOUNTAINS-CANYONLANDS/NATURAL BRIDGES- 449 AM MDT FRI JUL 11 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED AGAIN THIS AFTERNOON AND EVENING. GUSTY WINDS TO 40 MPH...HEAVY RAIN...SMALL HAIL AND FREQUENT LIGHTNING WILL ACCOMPANY THE STRONGEST STORMS. WITH SLOW MOVING STORMS...THE POTENTIAL FOR FLASH FLOODING WILL BE ELEVATED AND A FLASH FLOOD WATCH WILL REMAIN IN EFFECT THROUGH THIS EVENING FOR MUCH OF EASTERN UTAH AND WESTERN COLORADO. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS CAN BE EXPECTED EACH AFTERNOON AND EVENING THROUGH NEXT THURSDAY. STORMS WILL PRODUCE HEAVY RAIN...FREQUENT LIGHTNING AND GUSTY WINDS AND SMALL HAIL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED. HOWEVER...REPORTS OF HEAVY RAINFALL AND RAINFALL AMOUNTS WOULD BE GREATLY APPRECIATED.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GRAND JUNCTION CO
1000 AM MDT FRI JUL 11 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0641 AM HEAVY RAIN 4 S COLLBRAN 39.18N 107.96W
07/11/2014 E1.00 INCH MESA CO PUBLIC
JUST SHY OF 1 INCH OF RAIN.
&&
EVENT NUMBER GJT1401284
JMThe Grand Junction radar (KGJX), 139 km away, was scanning. The volume nearest the first event began at 18:36 UTC.
1 flash flood. Local standard time, as filed.
Heavy rainfall near Lake City with amounts of over and inch caused flash flooding which closed Highway 149 and deposited a large amount of debris onto the road.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2014Every state in 2014This day in weather historyWarnings in Colorado, July 2014
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: 545384.