A strong thunderstorm produced large hail in Moffat County.
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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.
A strong thunderstorm produced large hail in Moffat 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 Sep 14, 10:51 AM MST, 19 minutes earlier.
Area Forecast Discussion National Weather Service Grand Junction CO 1151 AM MDT WED SEP 14 2016 .SHORT TERM...(Tonight through Thursday night) Issued at 335 AM MDT Wed Sep 14 2016 Satellite imagery tells a lot of the story this morning. A nice fountain of uplift derived from divergence aloft and the nose and left exit region of a 90 kt 300 mb jet stream maxima all show up nicely on wv and ir satellite over northeast Utah. Moderate thunderstorms will continue over that area until about 15z when it all lifts to the north after barely affecting extreme northeast Moffat county in Colorado. A SW to NE swath of eastern Utah and northwest and central CO will be beneath a dry slot for much of the day, though surface heating should help produce isolated to scattered showers and thunderstorms mainly over the mountains. The cloud shield associated with the southern jetstream is pushing off to the east faster than the NAM and GFS expected, with the HRRR having what seems to be the better solution. It calls for isolated to scattered thunderstorms, mainly over the central and southwest CO mountains this afternoon and evening. As the upper trough passes over the northern Rockies tonight through Thursday night, some precipitations skirts the northern CO border, but the rest of the area should be dry with clearing skies. .LONG TERM...(Friday through Wednesday) Issued at 335 AM MDT Wed Sep 14 2016 Friday through the weekend should dry with a weak closed low developing over the SW U.S. and west to northwest flow aloft over the forecast area. Residual moisture and surface heating should help isolated storms to form over the mountains of the Continental Divide. The southwest trough will gradual move over the area Monday and Tuesday, while another similar trough develops over the SW U.S. Wednesday. The forecast area should be dry Tue and Wed. && .AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon) Issued at 1145 AM MDT Wed Sep 14 2016 A storm system passing to the north will promote another round of showers and thunderstorms across the forecast area into the evening hours. The primary impact from these thunderstorms will be gusty outflow, frequent lightning and locally heavy rain. Otherwise VFR conditions are expected to prevail over the next 24 hours. Although afternoon showers and thunderstorms are expected once again tomorrow the atmosphere is expected to begin to dry out on thursday. && .GJT Watches/Warnings/Advisories... CO...None. UT...None. && SHORT TERM...CC LONG TERM...CC AVIATION...Larry
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE GRAND JUNCTION CO 335 AM MDT WED SEP 14 2016 COZ001>014-017>023-UTZ022>025-027>029-150945- 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-FLAT TOPS- 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- 335 AM MDT WED SEP 14 2016 THIS HAZARDOUS WEATHER OUTLOOK IS FOR EASTERN UTAH AND WESTERN COLORADO. .DAY ONE...TODAY AND TONIGHT SCATTERED SHOWERS AND THUNDERSTORMS...A FEW WITH WIND GUSTS TO 45 MPH AND SMALL HAIL...WILL AFFECT NORTHEAST UTAH AND EXTREME NORTHWEST COLORADO EARLY THIS MORNING. ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS WILL AFFECT THE REST OF THE AREA FROM LATE MORNING THROUGH EARLY THIS EVENING. STORMS WILL DECREASE OVERNIGHT. THE MAIN HAZARD FROM THESE STORMS WILL BE GUSTY OUTFLOW WINDS AND LIGHTNING WITH LOCAL GUSTS TO 45 MPH POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY DRIER AND COOLER AIR WILL MOVE INTO THE REGION FROM THE NORTHWEST THURSDAY AND INTO THE WEEKEND AFTER THE PASSAGE OF A LOW PRESSURE TROUGH AND ASSOCIATED COLD FRONT THURSDAY EVENING. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED.
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE GRAND JUNCTION CO 1136 AM MDT WED SEP 14 2016 COZ001-002-141815- CENTRAL YAMPA RIVER BASIN CO-LOWER YAMPA RIVER BASIN CO- 1136 AM MDT WED SEP 14 2016 ...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL MOFFAT COUNTY UNTIL 1215 PM MDT... AT 1135 AM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 29 MILES NORTHEAST OF RANGELY...OR 51 MILES WEST OF CRAIG...MOVING NORTHEAST AT 45 MPH. DIME SIZE HAIL AND WIND GUSTS OF 55 MPH WILL BE POSSIBLE WITH THIS STORM ALONG WITH BRIEF BUT HEAVY RAIN. LOCATIONS IMPACTED INCLUDE... SUNBEAM. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS! IF A STURDY STRUCTURE IS NOT AVAILABLE...SEEK SHELTER INSIDE A VEHICLE. && LAT...LON 4034 10853 4047 10868 4094 10808 4074 10784 TIME...MOT...LOC 1735Z 228DEG 39KT 4046 10853 JOE
The Grand Junction radar (KGJX), 149 km away, was scanning. The volume nearest the first event began at 18:10 UTC.
1 hail. Local standard time, as filed.
Firefighters on the Calico Wildfire were pelted with large hailstones.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Colorado in 2016Every state in 2016This day in weather historyWarnings in Colorado, September 2016
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: 649701.