Heavy Rain, San Juan
- When
- July 28, 1:40 PM MST to 2:40 PM MST
- Where
- San Juan County, Monticello
- Reported by
- TRAINED SPOTTER
- Coordinates
- 37.626, -109.805 (the zone’s center; the record gives no point)
Heavy Rain in Utah, July 28, 2002
Heavy rain resulted in 2 to 3 inches of water flowing across Highway 191.
Where it happened
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. 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 happened
The episode as NWS GJT wrote it up.
Heavy rain resulted in 2 to 3 inches of water flowing across Highway 191.
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 Jul 28, 1:07 PM MST, 33 minutes earlier.
Area forecast discussion, Jul 28, 1:07 PM MST, 33 minutes before
WESTERN COLORADO & EASTERN UTAH AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GRAND JUNCTION CO 207 PM MDT SUN JUL 28 2002 ATMOSPHERE UNDERGOING DRAMATIC DRYING TREND THIS AFTERNOON...AND EXPECT SUBSIDENCE INVERSION TO DEVELOP AROUND 550MB FURTHER LIMITING CONVECTION THIS EVENING. AS A RESULT EXPECT MOSTLY CLEAR SKIES TONIGHT WITH COOL TEMPS AS A RESULT OF LOWERING DWPTS. RECORD LOW TEMP TONIGHT AT GJT 57 AND WE SHOULD BE VERY CLOSE TO THAT VALUE. HIGH PRESSURE BEGINS TO REBUILD OVER THE REGION MONDAY... CENTERED NEAR THE FOUR CORNERS. FLOW ALOFT WILL BE MOSTLY WEST TO NORTHWEST AND NOT FAVOR A RETURN OF MONSOON MSTR UNTIL LATE WEDNESDAY. LAPSE RATES A LITTLE STEEPER MONDAY SO WILL PROBABLY SEE SOME CU DEVELOP OVR THE MTNS DURING THE AFTERNOON...OTHERWISE MOSTLY SUNNY. AS SURFACE TEMPS WARM TO NEAR TRIPLE DIGITS TUESDAY AND WEDNESDAY AND MOISTURE SLOWLY INCREASES EXPECT MORE DEVELOPED CLOUD FIELDS. AT THIS TIME IT SEEMS PRUDENT TO INTRODUCE ISOLATED THUNDERSTORMS TO THE SAN JUANS BY LATE WEDNESDAY. MC (THU-SUN)...UPPER RIDGE AXIS SLIDES EAST THE LATE IN THE WEEK AS PAC SHORTWAVE PUSHES INTO THE NORTHERN GREAT BASIN SAT...BRUSHING THE FORECAST AREA SAT NIGHT AS IT IS ABSORBED IN THE FLOW. WIDELY SCT AFTN/EVE THUNDERSTORMS ON THU OVER THE MTNS...WITH INCREASE IN MOISTURE IN SWLY FLOW AHEAD AND WITH THIS SHORTWAVE INCREASING THE CHANCE OF THUNDERSTORMS FOR FRI/SAT. TEMPS PROBABLY A FEW DEGREES COOLER BASED ON A BIT MORE CLOUDS. AVN SHOWING ELONGATED E-W UPPER HIGH DOMINATING THE SOUTHERN PART OF THE COUNTRY BY SUN...WITH HIGH CENTER FORMING IN THE VICINITY OF THE 4-CORNERS AREA BY MONDAY. WILL KEEP MENTION OF DIURNAL T-STORMS IN FOR SUNDAY. JAD .GJT...NONE.
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 heavy rain. Local standard time, as filed.
What these are
- Heavy Rain
- Rainfall totals unusual for the place and season that did not produce a flood.
After NWS Directive 10-1605, the rules offices file Storm Data by.
The same day elsewhere
- Heat in Maryland, July 28 to 29, 2002
- Heat in Pennsylvania, July 28 to 30, 2002
- Heat in Maryland, July 28 to 30, 2002
- Tornado in New York, July 28, 2002
- Damaging Wind in South Dakota, July 28, 2002
- Hail and Damaging Winds in Kansas, July 28, 2002
- Hail in South Dakota, July 28, 2002
- Damaging Wind in New York, July 28, 2002
- Hail and Damaging Wind in South Dakota, July 28, 2002
- Damaging Winds in Ohio, July 28, 2002
- Tornado and Hail in Michigan, July 28, 2002
- Hail and Damaging Winds in New York, July 28, 2002
More
Every storm in Utah in 2002Every state in 2002This day in weather historyWarnings in Utah, July 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: 5311495.