This is a list of all tornadoes that were confirmed by local offices of the National Weather Service in the United States from August to September 2014.
United States yearly total
August
August 4 event + List of confirmed tornadoes – Monday, August 4, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0S of Boulder CityClarkNV1940Brief tornado touchdown as documented on camera; no reported damage.
August 6 event + List of confirmed tornadoes – Wednesday, August 6, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0S of BennettAdamsCO0010Brief tornado touchdown; no damage.
August 9 event + List of confirmed tornadoes – Saturday, August 9, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0N of St. FrancisCheyenneKS2045–2047Brief landspout tornado as reported by a storm chaser; no reported damage. EF0SE of St. FrancisCheyenneKS2057–2058Brief tornado as reported by emergency management; no reported damage. EF0Lake Cochrane DeuelSD2130–2145Docks, boats, boat lifts, canopies, shoreline shrubbery, and a few trees sustained minor damage. Two homes were impacted, with the roof of one house rolled back and tossed a short distance. EF0SSW of Bird CityCheyenneKS2155Brief tornado as reported by a storm chaser; no reported damage.
August 11 event + List of confirmed tornadoes – Monday, August 11, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0Chequamegon Bay AshlandWI1846–1847A waterspout briefly moved ashore before dissipating. EF0W of TrinwayMuskingumOH1900–1901Areas of corn in a field were knocked down and a large tree branch fell on a home.
August 12 event + List of confirmed tornadoes – Tuesday, August 12, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0NE of JohnstownLickingOH1515–1516A brief tornado as observed on video; no reported damage.
August 13 event + List of confirmed tornadoes – Wednesday, August 13, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0E of SunnysideBentonWA0130–0133Brief tornado touchdown in an open field; no reported damage.
August 15 event + List of confirmed tornadoes – Friday, August 15, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0Fort Pierce St. LucieFL1755–1756Brief tornado as observed by a motorist and on video; no reported damage. EF0NW of WillcoxCochiseAZ2039–2045Brief tornado as documented on camera; no reported damage.
August 16 event + List of confirmed tornadoes – Saturday, August 16, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0WNW of Boca WestPalm BeachFL2033–2035Brief tornado as observed by the public; no reported damage.
August 17 event + List of confirmed tornadoes – Sunday, August 17, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF1NE of RobardsHendersonKY2133–2136Three homes and a mobile home sustained minor roof and siding damage. Numerous tree limbs were broken and a few trees were uprooted. EF0E of Central CityMuhlenbergKY2231–2232Several trees were snapped and a cornfield was damaged. EF0SSE of DolliverEmmetIA0000–0002Brief tornado observed by emergency management.
August 18 event + List of confirmed tornadoes – Monday, August 18, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0SSE of MedinaWinnebagoWI2123–2125Two power poles were leaned and a few trees were blown downed.
August 20 event + List of confirmed tornadoes – Wednesday, August 20, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0WSW of RichmondMacombMI1804–1807Minor tree damage was observed and thin medal sheds were destroyed. EF0SE of MackayCusterID1945–1950Numerous photographs of a brief tornado; no reported damage.
August 21 event + List of confirmed tornadoes – Thursday, August 21, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0N of Mountain LakeCottonwoodMN1020–1021Brief tornado; no reported damage. EF0SW of FullerJeffersonPA2025–2026Damage was limited to hardwood trees. EF0SE of Knox DaleJeffersonPA2027–2035Hardwood trees were damaged.
August 23 event + List of confirmed tornadoes – Saturday, August 23, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0W of CresbardFaulkSD2230–2235Only minor tree damage was observed. EF0W of CresbardFaulkSD2235–2246A livestock trailer was blown over, a garage door was lofted over the roof of the building, and tree damage was observed. EF1NE of IpswichEdmundsSD2331–2338A section of a farm roof was lost while the siding was damaged. A metal outbuilding lost a majority of its roof, and a tractor trailer was damaged due to flying debris. Tree damage and a dented grain building was observed.
August 24 event + List of confirmed tornadoes – Sunday, August 24, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0SW of MorrillBenton, MorrisonMN2247–2302A roof was torn from a farm outbuilding; tree damage was observed.
August 25 event + List of confirmed tornadoes – Monday, August 25, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0S of FlorenceFremontCO2340–2343Brief tornado; no reported damage.
August 28 event + List of confirmed tornadoes – Thursday, August 28, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0ENE of NatomaOsborneKS2230Brief tornado in open country; no reported damage. EF1Milberger RussellKS2330–2332Tractors were flipped and windows were broken in town. EF0SW of MayfieldYanktonSD2344–0008A tornado was observed over open country.
August 31 event + List of confirmed tornadoes – Sunday, August 31, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF0NNW of ArionCrawfordIA2324–2342High resolution satellite data confirmed a tornado. EF0OdeboltSacIA2344–2350Four grain bins were destroyed and a few augers were damaged. EF0WorcesterWorcesterMA0010–0014Some trees were snapped or uprooted; fallen trees caused significant damage to cars and minor damage to homes. EF0ESE of VailCrawfordIA0026–0033A tornado found using high resolution satellite imagery damaged crops. EF0SE of ArcadiaCarrollIA0034–0044Two grain bins were severely damaged. EF0ESE of ArcadiaCarrollIA0038–0044A tornado found using high-resolution satellite imagery damaged crops. EF0NE of CarrollCarrollIA0045–0048A tornado found using high-resolution satellite imagery damaged crops. EF0N of RalstonCarroll, GreeneIA0057–0107A small open farm structure was destroyed. Trees and crops were damaged. EF0W of PatonGreeneIA0111–0116A small barn on a farmstead lost its roof. EF0NE of ChurdanGreene, WebsterIA0115–0125An old grain silo, trees, and crops were damaged. EF0SW of GowrieWebsterIA0119–0124Extensive crop damage was observed. EF0S of Fort DodgeWebsterIA0122–0125A tornado produced crop damage. EF0NNE of PatonWebsterIA0124–0135Grain bins sustained minor damage. EF0S of GowrieWebsterIA0126–0129Well-defined swirls and convergence were noted in crops. EF0SE of PerryDallasIA0131–0150A long-lived tornado damaged crops. EF1N of DaytonWebsterIA0135–0141A hog containment building was destroyed and numerous corn fields were damaged. Minor tree damage occurred. EF1NNW of StratfordWebster, HamiltonIA0140–0145Crop and tree damage occurred. EF0StratfordHamiltonIA0140–0147Crop and tree damage occurred. This tornado merged with the 0142–0151 UTC EF0 tornado, the first documented instance of a tornado merger resultant from a squall line. EF0NW of StanhopeHamiltonIA0142–0151Crop and tree damage occurred, and shingles were removed from a house. This tornado merged with the 0140–0147 UTC EF0 tornado, the first documented instance of a tornado merger resultant from a squall line. EF1W of Story CityBoone, HamiltonIA0143–0149A lean-to was destroyed, trees were uprooted, and crops were damaged. EF0NE of StanhopeHamiltonIA0146–0152Minor tree and crop damage was documented. EF0SW of KamrarHamiltonIA0150–0151Three grain bins on a farmstead were destroyed. Crops were damaged. EF0SSW of KamrarHamiltonIA0152–0154The roof was ripped off a hog containment building, and crops were damaged. EF0ENE of KamrarHamiltonIA0158–0203Crops were damaged. EF0SSW of DowsHamilton, WrightIA0159–0207Two empty grain bins were destroyed and crops were damaged. EF0W of JanesvilleBremerIA0201–0203Crops were damaged. EF0SE of WilliamsHamiltonIA0206–0207Some crop damage occurred. EF0SE of DowsFranklinIA0207–0210Minor crop damage was documented. EF1SW of AldenHamilton, HardinIA0208–0210Two grain bins were destroyed and three outbuildings were severely damaged on a farmstead. Another outbuilding lost a portion of its roof. Crops were damaged. EF0NNW of BuckeyeHardinIA0211–0213Crops were damaged. EF1W of OwasaHardinIA0218–0219A grain bin was destroyed and several trees were uprooted on a farmstead. EF0S of Iowa FallsHardinIA0218–0219Swirls were distinct across several agricultural fields. EF0SSE of StuartAdairIA0223–0224Crops were damaged. EF0SE of AckleyGrundyIA0235–0237Crops were damaged. EF0AplingtonButlerIA0239–0242Two outbuildings were severely damaged and trees were uprooted on a farmstead. EF0N of ParkersburgButlerIA0249–0252Crops were damaged. This tornado likely merged with the subsequent tornado before dissipating. EF0NNE of ParkersburgButlerIA0251–0253Crops were damaged. This tornado likely merged with the preceding tornado before dissipating. EF0SW of WaverlyButler, BremerIA0300–0303Trees sustained minor damage on a farmstead and crops were damaged. EF0SE of JanesvilleBlack HawkIA0304–0307Trees and crops were damaged. EF0SSE of DenverBlack HawkIA0312–0317Crops were damaged. EF0N of ReadlynBremerIA0317–0324Crops were damaged.
September
September 1 event + List of confirmed tornadoes – Monday, September 1, 2014EF#LocationCounty / ParishStateStart Coord.Time (UTC)Path lengthMax widthDamageSummaryRefs EF1NE of KalkaskaKalkaskaMI1747–1758Damage was confined to broken or downed trees, some of which fell on residences, damaging the roofs. EF1SW of FredericCrawfordMI1816–1829Many trees were snapped or uprooted. A house and a barn sustained significant roof damage. EF1SSW of JohannesburgOtsegoMI1842–1856A large number of trees were downed, several of which fell on residencies. EF0SE of WolverineCheboyganMI1843–1844A number of trees were snapped or uprooted. EF0N of WelchCraigOK0041Brief tornado reported over open country; no reported damage. EF0W of Cedar ValeCowleyKS0101–0112Tornado moved over open country; no reported damage. EF1SW of Cedar ValeChautauquaKS0125–0140A barn was completely collapsed while another lost a portion of its metal roofing. Several trees were damaged. EF1WNW of House SpringsJeffersonMO0343–0355A quarter of the roof to a business was torn off while its deck was uplifted. Tree damage was observed. EF1E of SaginawNewtonMO0413–0414Numerous trees were snapped, uprooted, or thrown. At least one mobile home was severely damaged after a tree fell on it. EF1E of SaginawNewtonMO0414–0415Numerous trees were damaged and destroyed. EF0NW of WentworthNewtonMO0436–0437A barn and a few trees were damaged.
September 2 event