Thunderstorms brought large hail and strong winds to parts of west central Minnesota.
Every event with a place to put it. Tap one for its entry below.
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 ABR wrote it up.
Thunderstorms brought large hail and strong winds to parts of west central Minnesota.
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 Aberdeen, SD wrote its last area forecast discussion before the first event at Aug 31, 2:36 PM CST, 32 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ABERDEEN SD 336 PM CDT SAT AUG 31 2013 .SHORT TERM...TONIGHT THROUGH MONDAY NIGHT CONVECTION HAS BEGUN ALONG THE COLD FRONT ACROSS MARSHALL AND DAY COUNTIES...WITH WEAKER POST FRONTAL SHOWERS AND STORMS FARTHER WEST. FOCUS REMAINS ON THE CONVECTION ALONG THE FRONT...WHICH WILL AFFECT THE EASTERN CWA FOR A FEW MORE HOURS. SVR WATCH 507 HAS ALREADY BEEN ISSUED AND COVERS THE EASTERN CWA. ALL ACTIVITY WILL END LATER THIS EVENING AS THE FRONT PUSHES FARTHER EAST INTO MINNESOTA. HIGH PRESSURE WILL THEN BE BUILDING INTO THE AREA ON SUNDAY WITH COOLER TEMPS ARRIVING AS WELL. HIGH PRESSURE WILL REMAIN IN CONTROL OF THE WEATHER THROUGH MONDAY...BRINGING DRY CONDITIONS AND PLEASANT TEMPERATURES. .LONG TERM...TUESDAY THROUGH SATURDAY NOT A WHOLE LOT HAS CHANGED IN 24 HOURS. AN UPPER LEVEL RIDGE IS STILL FORECAST TO BUILD BACK INTO THE REGION. MOST OF THE PERIOD IS EXPECTED TO REMAIN DRY WITH TEMPERATURES WARMING BACK INTO THE 80S AND 90S FOR MUCH OF THE CWA. && .AVIATION... 18Z TAFS FOR THE KABR...KATY...KPIR AND KMBG TERMINALS VFR CONDITIONS ARE EXPECTED AT ALL TERMINALS THROUGH THE NEXT 24 HOURS...EXCEPT WHILE SHORT-LIVED THUNDERSTORMS ARE OCCURRING. CONVECTION HAS ALREADY DEVELOPED ACROSS THE WESTERN DAKOTAS...AND WILL WORK THROUGH THE CENTRAL AND EASTERN DAKOTAS NOW THROUGH EARLY THIS EVENING ALONG AND AHEAD OF A FAST-MOVING COLD FRONT SWEEPING SOUTHEASTWARD THROUGH THE NORTHERN PLAINS TODAY/TONIGHT. LOOK FOR AN ABRUPT SWITCH IN WIND DIRECTION FROM SOUTH-SOUTHWESTERLY AHEAD OF THE FRONT TO NORTHWESTERLY POST FRONTAL...WITH SPEEDS INCREASING GENERALLY TO 10 TO 20 KNOTS WITH HIGHER GUSTS FOR SEVERAL HOURS POST FRONTAL. HAD A BRIEF WEAK RAIN SHOWER PASS OVER KPIR A LITTLE BIT AGO. SEEING A FEW MORE ECHOES DEVELOPING OFF TO THE WEST OF KPIR RIGHT NOW...AND MAY HAVE TO REINTRODUCE A TEMPO PERIOD OF TS THERE FOR ANOTHER OUR OR TWO. SCATTERED SHOWERS/THUNDERSTORMS ARE ONGOING RIGHT NOW AT KMBG AND LOOK TO CONTINUE THERE UNTIL APPX 19Z...BEFORE THE KMBG TAF CLEARS OUT. FURTHER EAST...THE KABR AND KATY TERMINALS ARE ALSO EXPECTED TO RECEIVE SOME SHOWERS AND THUNDERSTORMS THIS AFTERNOON...TIMED TO REACH KABR BY APPX 21Z...POSSIBLY LASTING INTO EARLY THIS EVENING AT KATY. BY THE TIME STORMS ARE GETTING INTO NORTHEAST SOUTH DAKOTA LATER THIS AFTERNOON...SOME STORMS ARE EXPECTED TO BECOME STRONG TO SEVERE WITH LARGE HAIL AND DAMAGING WINDS THE PRIMARY SEVERE WX THREAT. && .ABR WATCHES/WARNINGS/ADVISORIES... SD...NONE. MN...NONE. && SHORT TERM...TMT LONG TERM...DORN AVIATION...DORN WEATHER.GOV/ABERDEEN
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE ABERDEEN SD 359 AM CDT SAT AUG 31 2013 MNZ039-046-SDZ003>011-015>023-033>037-045-048-051-010900- TRAVERSE-BIG STONE-CORSON-CAMPBELL-MCPHERSON-BROWN-MARSHALL- ROBERTS-WALWORTH-EDMUNDS-DAY-DEWEY-POTTER-FAULK-SPINK-CLARK- CODINGTON-GRANT-HAMLIN-DEUEL-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES- LYMAN-BUFFALO- 359 AM CDT SAT AUG 31 2013 /259 AM MDT SAT AUG 31 2013/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MINNESOTA...CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND NORTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT STORMS WILL REDEVELOP THIS AFTERNOON AHEAD OF A COLD FRONT. THE RISK FOR SEVERE WEATHER WILL BE GREATEST EAST OF THE JAMES RIVER VALLEY. STORMS WILL PROCEED TO THE EAST/SOUTHEAST...AND ARE EXPECTED TO EXIT THE FORECAST AREA BY THE LATE EVENING/EARLY MORNING HOURS. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE REQUESTED THIS AFTERNOON AND EVENING. CONNELLY
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
321 PM CDT SAT AUG 31 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0315 PM HAIL 5 N ROSLYN 45.57N 97.49W
08/31/2013 E1.00 INCH DAY SD FIRE DEPT/RESCUE
ROSLYN FIRE DEPARTMENT REPORTED QUARTER SIZED HAIL ON
HWY 25 NORTH OF ROSLYN
&&
EVENT NUMBER ABR1300755
TROGDONPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
348 PM CDT SAT AUG 31 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0341 PM HAIL 3 NNE NEW EFFINGTON 45.90N 96.90W
08/31/2013 E1.75 INCH ROBERTS SD PUBLIC
RESIDENT REPORTED GOLF BALL SIZED HAIL AS THE STORM
MOVED THROUGH
&&
EVENT NUMBER ABR1300756
TROGDONPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ABERDEEN SD
349 PM CDT SAT AUG 31 2013
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0349 PM HAIL ROSHOLT 45.87N 96.73W
08/31/2013 E0.88 INCH ROBERTS SD TRAINED SPOTTER
SPOTTER REPORTED NICKEL SIZED HAIL ONGOING
&&
EVENT NUMBER ABR1300757
TROGDONThe Aberdeen radar (KABR), 154 km away, was scanning. The volume nearest the first event began at 21:06 UTC.
1 thunderstorm wind, 1 hail. Local standard time, as filed.
Seventy mph winds downed some trees along with some large branches in Wheaton.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2013Every state in 2013This day in weather historyWarnings in Minnesota, August 2013
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: 475535, 475534.