Thunderstorm Wind, Grand
- When
- May 15, 11:39 AM MST
- Where
- Grand County, 34 mi N of Cisco
- Measured
- 67 kt (77 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
- Coordinates
- 39.467, -109.317
Damaging Wind in Utah, May 15, 2002
1 thunderstorm wind, as filed by the National Weather Service.
Where it happened
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Deaths
- 0
- Injuries
- 0
- Property damage
- None recorded
- Crop damage
- None recorded
- Events
- 1
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.
What forecasters said that day
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 May 15, 1:41 AM MST, 9 hours 58 minutes earlier.
Area forecast discussion, May 15, 1:41 AM MST, 9 hours 58 minutes before
WESTERN COLORADO & EASTERN UTAH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 241 AM MDT WED MAY 15 2002 WV IMAGERY INDICATES A NUMBER OF WEAK SHORTWAVES ARE CURRENTLY MOVING ACROSS THE GREAT BASIN...CA...AND THE DESERT SW. NOT MUCH MOISTURE TO WORK WITH PER 00Z RAOBS. WEAK SURFACE FRONT IS CURRENTLY DRAPED ACROSS THE CWFA EXTENDING FROM SOUTH CENTRAL UT TO NEAR GJT THEN NORTHEAST. A LITTLE MORE MOISTURE NORTH OF THE FRONT WITH DEW POINTS IN THE LOW 30S. A WEAK SHORTWAVE MOVING ACROSS THE NORTHERN CWFA IS PRODUCING SOME 20-30 DBZ RETURNS NORTH OF THE FRONT...LIKELY RESULTING IN SOME SPRINKLES ACROSS THE ROAN-TAVAPUTS AND AREAS NORTH. LOW AMPLITUDE FLOW IS FORECAST TO CONTINUE ACROSS THE CWFA THROUGH THE SHORT TERM WITH SMALL PIECES OF ENERGY MOVING ACROSS THE AREA. AFOREMENTIONED BOUNDARY WILL REMAIN ACROSS THE AREA TODAY AND MAY ACT AS A FOCUS FOR ISOLATED AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS. SHOWERS OR THUNDERSTORMS WILL BE HIGH BASED WITH ISOLATED DRY THUNDERSTORMS POSSIBLE. MIXED LAYER WILL BE DEEP THIS AFTERNOON BUT MID LEVEL WINDS NOT FORECAST TO BE STRONG. TEMPS SHOULD BE A LITTLE COOLER ACROSS THE NORTH TODAY...WITH NEAR PERSISTENCE FOR CENTRAL AND SOUTH ZONES. MID LEVEL FLOW IS FORECAST TO VEER TO THE WEST AND NORTHWEST THURSDAY AS A RIDGE BUILDS OVER THE WEST COAST AND A WEAK SHORTWAVE MOVES ACROSS WY. MODELS INDICATE THE WEAK SURFACE BOUNDARY WILL BE PUSHED THROUGH THE AREA...AND BRING SOME COOLING TO THE CWFA. MAY SEE A LITTLE MORE WIND THURSDAY TOO WITH A LITTLE STRONGER WINDS ALOFT. AGAIN...MINIMAL MOISTURE ACROSS THE AREA WITH SMALL POPS THURSDAY. CURRENT EXTENDED FORECAST LOOKS ON TRACK. EAST PAC STORM FORECAST TO AMPLIFY THE FLOW AND BUILD A RIDGE ACROSS THE ROCKIES...RESULTING IN A WARMING TREND FRI THROUGH SUN. COOLER AND MORE UNSETTLED TOWARD THE MIDDLE OF NEXT WEEK AS THE EAST PAC TROUGH MOVES INLAND. WESTERN COLORADO AND EASTERN UTAH EMERGENCY MANAGERS SHOULD MAINTAIN A NORMAL LEVEL OF WEATHER AWARENESS TODAY. .GJT...NONE. TAL
The radar
The Grand Junction radar (KGJX), 105 km away, was scanning. The volume nearest the first event began at 18:37 UTC.
Event by event
1 thunderstorm wind. Local standard time, as filed.
What these are
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Flood in Alaska, May 15 to 16, 2002
- Hail and Damaging Wind in Kansas, May 15, 2002
- Flash Flooding and Hail in Kansas, May 15 to 16, 2002
- Marine Thunderstorm Winds in Lake Erie, May 15, 2002
- Flash Flood in Texas, May 15, 2002
- Hail in Kansas, May 15, 2002
- Hail in Nebraska, May 15, 2002
- Wildfire in Arizona, May 15, 2002
- High Wind in Oklahoma, May 15, 2002
- Wildfire in Arizona, May 15 to 18, 2002
- Damaging Wind in Kansas, May 15, 2002
- Damaging Wind in Colorado, May 15, 2002
More
Every storm in Utah in 2002Every state in 2002This day in weather historyWarnings in Utah, May 2002
Sources
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: 5300014.