Thunderstorms produced a tornado and heavy rain in the late evening of June 18th and morning of June 19th. The heavy rain caused flash flooding and areal flooding.
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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 FSD wrote it up.
Thunderstorms produced a tornado and heavy rain in the late evening of June 18th and morning of June 19th. The heavy rain caused flash flooding and areal flooding.
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 Sioux Falls, SD wrote its last area forecast discussion before the first event at Jun 18, 2:34 PM CST, 6 hours 50 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE SIOUX FALLS SD 334 PM CDT WED JUN 18 2014 .SHORT TERM...(THIS EVENING THROUGH THURSDAY) ISSUED AT 314 PM CDT WED JUN 18 2014 AGAIN WE HAVE AN ENVIRONMENT OVER THE EASTERN PART OF THE AREA VERY UNSTABLE AND LOW LEVEL SHEAR TO MAKE THE CONDITIONAL THREAT OF SEVERE STORMS HIGH...BUT WITH A CAP TO ERODE AND BETTER MID LEVEL SHEAR AND LARGE SCALE UPPER SUPPORT/LIFT COMING IN FROM THE WEST...STORMS WILL FIRST BE AFFECTING THE WESTERN PART OF THE FORECAST AREA...ESPECIALLY NORTHWEST TONIGHT. SEVERE WEATHER SEEMS LIKELY WITH SOME OF THE STORMS BY MID EVENING AND POTENTIAL GIVEN BY SPC LOOKS GOOD. HEAVY RAIN IS ALSO A POTENTIAL. FOR NOW WE HAVE AN AREAL FLOOD WARNING OUT FOR PARTS OF THE AREA...AND WITH SOME QUESTIONS ON THE LOCATION OF THE WORST HEAVY RAIN THREAT...WILL NOT GO WITH A FLASH FLOOD WATCH FOR OTHER AREAS AT THIS TIME. LATE TONIGHT...THE STORMS WILL BECOME MORE NUMEROUS IN THE EASTERN FORECAST AREA AND BEGIN TO DECREASE SLOWLY WEST AS THE UPPER LOW ADVANCES AND A WEAK SURFACE FRONT ARRIVES. LOW TEMPERATURES TONIGHT WILL BE IN THE 60S WEST TO LOWER 70S SOUTHEAST. THURSDAY STORMS WILL CONTINUE TO SLOWLY DECEASE FROM THE WEST...BUT MAY CONTINUE THROUGH THE DAY IN SOUTHWEST MN AND NORTHWEST IA. SEVERE POTENTIAL SEEMS LOW BUT THERE DEPENDING ON TIMING...WHILE SOME DRYING TAKES PLACE IN SOUTHEAST SD. THE COMBINATION OF COOLER AIR ARRIVING FROM THE WEST AND CLOUD COVER AND RAIN EAST SHOULD KEEP HIGH TEMPERATURES TO THE 80 TO 85 RANGE...AND OF COURSE HIGHS COULD BE COOLER IN THE EAST IF THERE IS A PROLONGED RAIN THERE. .LONG TERM...(THURSDAY NIGHT THROUGH WEDNESDAY) ISSUED AT 314 PM CDT WED JUN 18 2014 ABBREVIATED DISCUSSION TODAY DUE TO ONGOING WEATHER...LITTLE CHANGE TO THE GOING FORECAST TODAY. H5 LOW CONTINUES TO SLOWLY MOVE EAST ACROSS THE US/CANADIAN BORDER WITH SEVERAL EMBEDDED SHORTWAVES PASSING THROUGH. THIS WILL KEEP SOME CHANCE OF RAIN IN OVER THE EXTENDED PDS. TEMPS WILL REMAIN WARM IN THE 80S. && .AVIATION...(FOR THE 18Z TAFS THROUGH 18Z THURSDAY AFTERNOON) ISSUED AT 1250 PM CDT WED JUN 18 2014 THROUGH 21Z AREAS OF CEILINGS 2-4K FEET WILL ALTERNATE WITH SCT CLOUDS 2-4K FEET AGL. 21Z-19/10Z GENERALLY VFR WILL GIVE WAY TO TSRA INCREASING FROM THE WEST...WITH AREAS OF CEILINGS 1-3K FEET AND VISIBILITIES 3-5SM DEVELOPING IN TSRA. 19/10Z-18Z WIDESPREAD CEILINGS 1-3K FEET AND AREAS OF VISIBILITIES 3-5SM WILL DECREASE TO MORE FREQUENT VFR AFTER 15Z AS STORMS DECREASE SLOWLY FROM THE WEST. && .FSD WATCHES/WARNINGS/ADVISORIES... SD...NONE. MN...NONE. IA...NONE. NE...NONE. && SHORT TERM... LONG TERM... AVIATION...
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SIOUX FALLS SD 340 PM CDT WED JUN 18 2014 IAZ012-020>022-031-032-NEZ013-014-SDZ050-063>071-191000- SIOUX-PLYMOUTH-CHEROKEE-BUENA VISTA-WOODBURY-IDA-DIXON-DAKOTA- GREGORY-CHARLES MIX-DOUGLAS-HUTCHINSON-TURNER-LINCOLN-BON HOMME- YANKTON-CLAY-UNION- 340 PM CDT WED JUN 18 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST IOWA...NORTHEAST NEBRASKA...SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT WIDESPREAD RIVER AND OVERLAND FLOODING WILL CONTINUE TODAY DUE TO RECENT HEAVY RAINFALL MAINLY EAST OF THE JAMES RIVER. IN ADDITION TO AREAL FLOOD WARNINGS ACROSS THE AREA THROUGH THIS EVENING...RIVER FLOOD WARNINGS REMAIN IN EFFECT FOR MANY RIVER AND CREEKS. WITH A WARM MUGGY AIR MASS...HEAT INDICES MAY APPROACH 95 DEGREES THIS AFTERNOON. SCATTERED THUNDERSTORMS ARE EXPECTED TO DEVELOP EARLY THIS EVENING AND WILL QUICKLY BECOME SEVERE. THE PRIMARY SEVERE THREATS WILL BE LARGE HAIL UP TO BASEBALL SIZE...AS WELL AS WIND GUSTS TO 70 MPH. A FEW TORNADOES WILL ALSO BE POSSIBLE...AND A LARGER TORNADO WILL ALSO BE A THREAT. AREAS OF HEAVY RAIN WILL ALSO BE POSSIBLE WITH STORMS THAT MOVE OVER THE SAME AREA. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS MAY LINGER ACROSS PORTIONS OF NORTHWEST IOWA INTO SOUTHWEST MINNESOTA THURSDAY MORNING. THESE STORMS MAY BE SEVERE...AND HAVE THE POTENTIAL TO PRODUCE HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE POSSIBLE AFTER 5 PM TODAY. IAZ001>003-013-014-MNZ071-072-080-081-089-090-097-098-SDZ038>040- 052>062-191000- LYON-OSCEOLA-DICKINSON-OBRIEN-CLAY-LINCOLN-MURRAY-COTTONWOOD- NOBLES-JACKSON-PIPESTONE-ROCK-BEADLE-KINGSBURY-BROOKINGS-JERAULD- SANBORN-MINER-LAKE-MOODY-BRULE-AURORA-DAVISON-HANSON-MCCOOK- MINNEHAHA- 340 PM CDT WED JUN 18 2014 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST IOWA...SOUTHWEST MINNESOTA...EAST CENTRAL SOUTH DAKOTA...SOUTH CENTRAL SOUTH DAKOTA AND SOUTHEAST SOUTH DAKOTA. .DAY ONE...TODAY AND TONIGHT WIDESPREAD RIVER AND OVERLAND FLOODING WILL CONTINUE TODAY DUE TO RECENT HEAVY RAINFALL MAINLY EAST OF THE JAMES RIVER. IN ADDITION TO AREAL FLOOD WARNINGS ACROSS THE AREA THROUGH THIS EVENING...RIVER FLOOD WARNINGS REMAIN IN EFFECT FOR MANY RIVER AND CREEKS. THUNDERSTORMS ARE EXPECTED THIS EVENING THROUGH THE OVERNIGHT HOURS. VERY LARGE HAIL UP TO THE SIZE OF BASEBALLS CAN BE EXPECTED WITH STORMS...AS WELL AS WIND GUSTS TO 70 MPH. ISOLATED TORNADOES WILL ALSO BE POSSIBLE. HEAVY RAIN WILL ALSO BE A THREAT...ESPECIALLY IN AREAS WHERE STORMS CONTINUE TO REPEATEDLY MOVE OVER THE SAME AREA. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY THUNDERSTORMS MAY LINGER ACROSS PORTIONS OF NORTHWEST IOWA INTO SOUTHWEST MINNESOTA THURSDAY MORNING. THESE STORMS MAY BE SEVERE...AND HAVE THE POTENTIAL TO PRODUCE HEAVY RAINFALL. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL BE LIKELY AFTER 5 PM TODAY.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
818 PM CDT WED JUN 18 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0817 PM TORNADO 2 S ALPENA 44.15N 98.37W
06/18/2014 JERAULD SD STORM CHASER
LARGE STOVE PIPE RAIN WRAPPED TORNADO MOVING NORTH
&&
BTPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
827 PM CDT WED JUN 18 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0825 PM FUNNEL CLOUD 1 W ALPENA 44.18N 98.39W
06/18/2014 JERAULD SD STORM CHASER
ROPE TORNADO...NEW CIRCULATION DEVELOPING NEAR ALPENA
&&
BTPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
830 PM CDT WED JUN 18 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0828 PM TORNADO 3 NW FORESTBURG 44.05N 98.15W
06/18/2014 SANBORN SD STORM CHASER
ROPE TORNADO
&&
PSPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
903 PM CDT WED JUN 18 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0900 PM FUNNEL CLOUD 6 W HURON 44.36N 98.34W
06/18/2014 BEADLE SD EMERGENCY MNGR
&&
BTPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
908 PM CDT WED JUN 18 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0906 PM FUNNEL CLOUD 6 SW IROQUOIS 44.31N 97.94W
06/18/2014 BEADLE SD EMERGENCY MNGR
&&
BTPRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SIOUX FALLS SD
916 PM CDT WED JUN 18 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0914 PM FUNNEL CLOUD 10 WNW HURON 44.42N 98.40W
06/18/2014 BEADLE SD TRAINED SPOTTER
&&
BTThe Sioux Falls radar (KFSD), 126 km away, was scanning. The volume nearest the first event began at 03:21 UTC.
2 flash flood, 1 tornado, 1 funnel cloud, 1 flood. Local standard time, as filed.
A brief tornado caused no reported damage.
Heavy rain caused flash flooding of county roads.
Heavy rain caused flash flooding of numerous streets, parks, and fields near and south of the town of Cottonwood. Basements of some homes were also flooded.
Persistent moderate to heavy rain caused flooding of fields and other lowlands, including numerous roads, and several homes and businesses. This flooding lasted through most of the daytime hours. Some roads were damaged or washed out.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Minnesota in 2014Every state in 2014This day in weather historyThe tornado archive for Minnesota, 2014Warnings in Minnesota, June 2014
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: 524795, 524796, 524797, 524798, 524800.