Thunderstorm Wind, Tripp
- When
- August 6, 6:25 PM CST to 6:30 PM CST
- Where
- Tripp County, 6 mi NW of Hamill to 6 mi NNE of Hamill
- Measured
- 52 kt (60 mph) estimated gust
- Reported by
- Public
- Coordinates
- 43.641, -99.765
Damaging Wind in South Dakota, August 6, 2007
5 inches in diameter were blown down.
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 happened
The episode as NWS UNR wrote it up.
Tree branches 2.5 inches in diameter were blown down.
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 Rapid City, SD wrote its last area forecast discussion before the first event at Aug 6, 2:30 PM CST, 3 hours 55 minutes earlier.
Area forecast discussion, Aug 6, 2:30 PM CST, 3 hours 55 minutes before
AREA FORECAST DISCUSSION FOR WESTERN SD AND NORTHEASTERN WY NATIONAL WEATHER SERVICE RAPID CITY SD 230 PM MDT MON AUG 6 2007 .DISCUSSION...SURFACE BOUNDARY IS PUSHING INTO SCENTRAL SD THIS AFTERNOON...WITH SOME CLOUDS JUST STARTING TO FORM ALONG IT...AND WILL BE FOCUS FOR EVENING THUNDERSTORMS. QUIET EVENING EXPECTED OVER REST OF FORECAST AREA BEHIND BOUNDARY AS SURFACE DEWPOINTS DRY OUT AND ATMOSPHERE STABILIZES. LATER TONIGHT...SHORT WAVE OVER CENTRAL WY MOVING ACROSS WRN SD INTERSECTS WITH SURFACE CONVERGENCE ALONG LEE TROF FOR POSSIBLE CONVECTION AFTER MIDNIGHT. THUNDERSTORMS POSSIBLE AGAIN TUES AS MOISTURE RETURNS ON STRONG SOUTHERLY FLOW AND ANOTHER WAVES COMES ACROSS. PATTERN REPEATS ITSELF ON WED AS SURFACE BOUNDARY PUSHES EASTWARD. EXTENDED...UPR HIGH WILL PERSIST OVER THE CNTRL/SRN PLAINS WITH DIRTY RIDGE EXTENDING NWD THRU THE NRN PLAINS. THIS WILL LEAD TO A SLIGHT CHC OF TSTMS AS A SERIES OF SHORTWAVES ROUND THE TOP OF THE RIDGE. TIMING THESE SHORTWAVES IS DIFFICULT THAT FAR OUT SO HAVE INCLUDED LOW POPS FOR THE AREAS AND TIMES THAT ARE MOST LIKELY TO SEE SOME CONVECTION DEVELOP...AND HAVE LEFT THE OTHER AREAS/TIMES DRY FOR NOW UNTIL TIMING AND EXTENT BECOMES MORE CERTAIN. TEMPS WILL RUN SEVERAL DEGREES ABOVE CLIMO. && .AVIATION...A FEW STRONG THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND EVENING...MAINLY OVER THE WESTERN AND CENTRAL PORTIONS OF SOUTH DAKOTA AND NEBRASKA...AND NEAR THE MOUNTAINS IN EASTERN WYOMING. THERE IS A SLIGHT CHANCE OF THUNDERSTORMS ACROSS ALL THE RAP TWEB RTES OVERNIGHT. && .UNR WATCHES/WARNINGS/ADVISORIES... SD...NONE. WY...NONE. && SANDERS/RICHARDS
Hazardous weather outlook, Aug 6, 10:50 AM CST, 7 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE RAPID CITY SD 1050 AM MDT MON AUG 6 2007 SDZ001-002-012>014-024>032-041>044-046-047-049-072>074-WYZ054>058- 071-071300- BENNETT-BUTTE-CENTRAL BLACK HILLS-CUSTER CO PLAINS-FALL RIVER-HAAKON- HARDING-HERMOSA FOOT HILLS-JACKSON-MELLETTE-NORTHEASTERN CROOK- NORTHERN BLACK HILLS-NORTHERN CAMPBELL-NORTHERN FOOT HILLS- NORTHERN MEADE CO PLAINS-PENNINGTON CO PLAINS-PERKINS-RAPID CITY- SHANNON-SOUTHERN BLACK HILLS-SOUTHERN CAMPBELL-SOUTHERN FOOT HILLS- SOUTHERN MEADE CO PLAINS-STURGIS/PIEDMONT FOOT HILLS-TODD-TRIPP- WESTERN CROOK-WESTON-WYOMING BLACK HILLS-ZIEBACH- 1050 AM MDT (1050 AM CDT) MON AUG 6 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR WESTERN SOUTH DAKOTA AND NORTHEASTERN WYOMING. .DAY ONE...TODAY AND TONIGHT THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER CENTRAL SOUTH DAKOTA THIS AFTERNOON AND EVENING...EAST OF A LINE FROM LEMMON...TO FAITH...WALL...AND PINE RIDGE. LARGE HAIL AND STRONG WIND GUSTS WILL BE THE MAIN THREAT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THUNDERSTORMS ARE POSSIBLE AGAIN ON TUESDAY AND ON WEDNESDAY. THERE IS THE POTENTIAL THAT A FEW OF THE STORMS MAY BECOME SEVERE... PARTICULARLY OVER SOUTH CENTRAL SOUTH DAKOTA. LARGE HAIL AND DAMAGING WIND GUSTS WILL BE THE MAIN THREATS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED TODAY AND TONIGHT.
The radar
The North Platte radar (KLNX), 199 km away, was scanning. The volume nearest the first event began at 00:25 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
- Excessive Heat in Oklahoma, August 6 to 12, 2007
- Excessive Heat in Missouri, August 6 to 17, 2007
- Heat in Illinois, August 6 to 9, 2007
- Excessive Heat in South Carolina, August 6, 2007
- Drought in Mississippi, August 6 to 26, 2007
- Flash Flooding and Hail in Nebraska, August 6 to 7, 2007
- Flash Flooding and Damaging Winds in Iowa, August 6 to 7, 2007
- Heat in Missouri, August 6 to 9, 2007
- Flash Flooding in Pennsylvania, August 6, 2007
- Damaging Winds and Lightning Strikes in Indiana, August 6, 2007
- Damaging Wind and Lightning Strike in Wisconsin, August 6, 2007
- Flash Flood and Hail in Wyoming, August 6, 2007
More
Every storm in South Dakota in 2007Every state in 2007This day in weather historyWarnings in South Dakota, August 2007
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: 109081.