Midwest Severe Weather
One of the severe storm disasters on NOAA’s billion-dollar list: $1.9 billion in losses at 2024 prices ($1.5 billion at the time).
What the offices filed during it
The 240 most significant severe storm episodes filed in these dates, colored by kind.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
The toll
- Losses, 2024 dollars
- $1.9 billion
- Losses at the time
- $1.5 billion
- Deaths
- 0
The losses and deaths are NCEI’s, counting everything the disaster did. The episodes below are only what the Weather Service filed in its Storm Events record, which counts damage differently and often not at all, so the two never add up and are shown apart.
By state, as filed
| State | Events | Deaths | Injuries | Damage filed |
|---|---|---|---|---|
| Texas | 125 | 0 | 0 | $210 million |
| Nebraska | 230 | 0 | 4 | $28 million |
| Wisconsin | 258 | 1 | 0 | $7.9 million |
| Minnesota | 202 | 0 | 4 | $3.9 million |
| Mississippi | 90 | 0 | 0 | $1.9 million |
| North Dakota | 26 | 0 | 0 | $1.4 million |
| Ohio | 58 | 0 | 0 | $890,000 |
| Iowa | 208 | 0 | 1 | $656,000 |
| Wyoming | 67 | 0 | 1 | $617,000 |
| North Carolina | 50 | 0 | 1 | $594,000 |
| Virginia | 63 | 0 | 0 | $554,000 |
| Illinois | 88 | 0 | 0 | $415,000 |
| Kansas | 386 | 0 | 5 | $350,000 |
| Michigan | 41 | 0 | 0 | $323,000 |
| Georgia | 42 | 0 | 0 | $310,000 |
| Florida | 26 | 0 | 1 | $271,000 |
| New York | 28 | 0 | 0 | $203,000 |
| Oklahoma | 65 | 0 | 0 | $103,000 |
| Pennsylvania | 55 | 0 | 0 | $101,000 |
| Kentucky | 11 | 0 | 0 | $100,000 |
| Missouri | 104 | 0 | 3 | $91,000 |
| Indiana | 31 | 0 | 1 | $42,000 |
| Massachusetts | 20 | 0 | 0 | $41,000 |
| West Virginia | 12 | 0 | 0 | $37,000 |
| South Dakota | 190 | 0 | 0 | $35,000 |
| Alabama | 69 | 0 | 2 | $33,000 |
| Tennessee | 6 | 0 | 0 | $16,000 |
| Arkansas | 16 | 0 | 0 | $14,000 |
| South Carolina | 37 | 0 | 0 | $13,000 |
| Idaho | 9 | 0 | 0 | $3,000 |
| Colorado | 25 | 0 | 0 | |
| Montana | 13 | 0 | 0 | |
| Maine | 7 | 0 | 0 | |
| Puerto Rico | 5 | 0 | 0 | |
| New Jersey | 2 | 0 | 0 | |
| Nevada | 1 | 0 | 0 |
Episode by episode
- Damaging Winds in Michigan, June 10, 2017A cold front moving through a warm and unstable air mass produced severe thunderstorms over northwest Upper Michigan on the evening of the 10th.
- Hail in Wyoming, June 10, 2017A thunderstorm produced penny sized hail and wind gusts to 50 mph in Wright.
- Hail in South Dakota, June 10, 2017A thunderstorm produced nickel sized hail near Summerset.
- Hail and Damaging Winds in South Dakota, June 11, 2017Severe thunderstorms developed north of a warm front across parts of central South Dakota early in the morning hours. These storms tracked along from west to east bringing large hail from quarter size to the size of tennis balls.
- Hail and Damaging Winds in South Dakota, June 11, 2017Thunderstorms developed in central South Dakota and moved along the corridor of South Dakota Highway 14.
- Hail and Damaging Winds in Minnesota, June 11, 2017Thunderstorms that earlier developed in central South Dakota and moved east. The storms continued along Highway 14 and impacted areas of southwest Minnesota.
- Tornado and Hail in Minnesota, June 11, 2017A mesoscale convective system developed overnight in South Dakota and traversed across southern Minnesota, producing severe hail, wind, and a tornado. The system continued into West Central Wisconsin where it continued to produce severe wind and hail.
- Hail and Damaging Winds in Wisconsin, June 11, 2017A mesoscale convective system developed overnight in South Dakota and traversed across Central Minnesota. The system continued into West Central Wisconsin, producing severe wind and hail.
- Flash Flooding and Flooding in Wisconsin, June 11, 2017Two rounds of strong to severe thunderstorms occurred across Burnett, Washburn, Sawyer, and Price counties in northwest Wisconsin.
- Hail and Damaging Winds in Wisconsin, June 11, 2017Two rounds of thunderstorms moved across portions of north central and western Wisconsin on June 11th. The first round occurred during the late morning hours and primarily produced large hail. The largest hail reported was half dollar sized in Black River Falls (Jackson County).
- Hail and Damaging Winds in Wisconsin, June 11, 2017Thunderstorms developed in the Dakotas on the night of June 10th in response to very warm and humid air interacting with a stalled frontal system.
- Damaging Winds in Michigan, June 11, 2017A line of severe thunderstorms crossed northern Michigan, bringing sporadic wind damage.
- Damaging Wind in Florida, June 11, 2017Scattered afternoon thunderstorms developed along sea breeze boundaries. At least one of these storms caused damaging wind gusts.
- Damaging Winds in Idaho, June 11, 2017An upper level low situated in northern California tracked northeast across northern Nevada kicking off severe thunderstorms with damaging winds in parts of South Central Idaho.
- Hail in Nevada, June 11, 2017Nickle size hail was reported about 14 miles northeast of Gibbs Ranch.
- Hail in Wyoming, June 11, 2017A shortwave moved across central Wyoming on the evening of June 11th. Thunderstorms developed rapidly across Natrona County and one became severe. The thunderstorm showed good mid level rotation and a tornado warning was issued although there was no confirmed tornado.
- Damaging Winds in Idaho, June 11, 2017Several severe thunderstorm winds were recorded along with some damage from the outflow winds.
- Hail in Colorado, June 11, 2017In Phillips County, a severe thunderstorm produced large hail from quarter to golf ball size.
- Hail in Wyoming, June 11, 2017A thunderstorm produced large hail over northwest Converse County.
- Hail in Wyoming, June 11, 2017A severe thunderstorm produced hail to quarter size southeast of Wright.
- Damaging Wind in Michigan, June 12, 2017Another, decaying line of thunderstorms moved off of northern Lake Michigan.
- Flash Flood and Hail in Nebraska, June 12, 2017Thunderstorms developed in the early morning along a front that extended from southwest Nebraska to northwest Iowa. Some of these thunderstorms produced large hail and also created heavy rain and flooding in the Lincoln area.
- Hail in South Dakota, June 12, 2017Thunderstorms developed by mid morning and produced hail in many locations of southeast South Dakota.
- Hail in Minnesota, June 12, 2017Storms that earlier developed in areas of southeast South Dakota moved into southwest Minnesota and produced hail and wind.
- Hail and Damaging Wind in Iowa, June 12, 2017A stationary front was draped across much of northwest and northern Iowa, acting as a focal point for convection during the overnight and daytime hours. By mid-morning mixed layer CAPE values were already approaching and exceeding 2000 J/kg.
- Hail in Idaho, June 12, 2017Severe thunderstorms brought large hail and power outages to Idaho Falls.
- Damaging Winds in Minnesota, June 12, 2017Thunderstorms developed during the afternoon of Monday, June 12th in far southern Minnesota. These storms moved northeast and produced short-lived bow echoes in Blue Earth County, then east-northeast into Waseca, Steele, Rice and Goodhue Counties.
- Tornadoes and Flash Flood in Wyoming, June 12 to 17, 2017A combination of an abnormally strong upper level low, strong jet dynamics and an approaching cold front produced one of the biggest severe weather outbreaks across western and central Wyoming in many years.
- Tornado and Hail in Colorado, June 12, 2017Severe thunderstorm produced damaging hail, ranging from quarter to softball size across eastern Larimer and northwestern Weld Counties. The tornado was assigned a damage rating of EF-1.
- Damaging Winds in Maine, June 12, 2017Showers and thunderstorms developed during the afternoon of the 12th in advance of an approaching cold front. An upper level disturbance also crossed the region. Several of the thunderstorms became severe producing damaging winds.
- Damaging Wind in Georgia, June 12, 2017Strong daytime heating and moderate instability resulted in scattered strong thunderstorms, and an isolated severe thunderstorm, across north Georgia.
- Hail and Damaging Winds in Wisconsin, June 12, 2017A line of severe thunderstorms moved across western Wisconsin during the afternoon of June 12th.
- Tornadoes and Hail in Wyoming, June 12, 2017One of the most significant severe weather episodes to affect southeast Wyoming and the western Nebraska Panhandle occurred on the afternoon and early evening of Monday 12 June 2017. Eleven confirmed tornadoes, hail to grapefruit size, and damaging winds were observed.
- Flash Flood and Flooding in Wisconsin, June 12, 2017A stalled front across central and east central Wisconsin was the focus for severe thunderstorms. Storms developed in southern Minnesota and a bow echo formed that made its way across Wisconsin south of Highway 29.
- Hail and Damaging Winds in Texas, June 12, 2017A dryline was set up against across the higher terrain before moving eastward through the afternoon. Upper air disturbances moved across the region providing upper level lift.
- Tornado and Hail in Wisconsin, June 12, 2017A warm front and shortwave trough produced a line of severe thunderstorms that moved across southern WI. Straight-line winds caused tree damage and some structural damage. Some large hail was reported along with one weak tornado.
- Hail in Wyoming, June 12, 2017A thunderstorm briefly became severe over southern Campbell County, producing large hail south of Savageton.
- Tornadoes and Hail in Nebraska, June 12, 2017One of the most significant severe weather episodes to affect the western Nebraska Panhandle occurred during in the early evening of Monday 12 June 2017. Several tornadoes, hail to baseball size, and damaging winds were observed.
- Hail and Damaging Winds in Montana, June 12, 2017An upper level disturbance combined with a southwest flow aloft resulted in a few severe thunderstorms across the Billings Forecast area. This was the first severe weather day of the year for the Billings Forecast area.
- Hail and Damaging Winds in Texas, June 12, 2017Isolated storms formed along a late spring season dryline over the central South Plains. With abundant instability, these storms quickly became severe and produced very large hail and strong wind gusts.
- Hail and Damaging Wind in South Dakota, June 12, 2017A severe thunderstorm tracked northeastward across eastern Fall River County and western Oglala Lakota County. Large hail and gusty winds accompanied the storm in some areas.
- Tornadoes and Hail in Nebraska, June 12 to 13, 2017A closed upper low across the central Rockies, combined with a stationary front draped across the area, brought a round of strong to severe thunderstorms across northwest Nebraska.
- Hail and Damaging Winds in Montana, June 12 to 13, 2017A potent low pressure system tracked northeastward from northern Nevada on the 12th to southwest Montana on the 13th, before reaching southeastern Saskatchewan by early morning on the 14th.
- Damaging Wind in Wyoming, June 12, 2017An isolated severe thunderstorm produced a severe wind gust just southwest of Sheridan.
- Tornado and Hail in South Dakota, June 12, 2017A cluster of severe thunderstorms moved northeast across southwestern into south central South Dakota. The storms produced large hail and wind gusts to 70 mph.
- Damaging Winds in Michigan, June 12 to 13, 2017Yet another cluster of strong to severe thunderstorms cross northern Lake Michigan into northern lower Michigan.
- Damaging Winds in South Dakota, June 12, 2017A severe thunderstorm tracked northeast from northwestern Nebraska across portions of southwestern South Dakota. The storm produced strong wind gusts and small hail.
- Hail and Damaging Wind in South Dakota, June 12, 2017A long-lived supercell thunderstorm tracked from Nebraska across eastern Bennett County before finally weakening. The storm produced large hail and strong wind gusts in the Tuthill area.
- Hail and Damaging Winds in South Dakota, June 13, 2017Lift from a large upper level low pressure area in the Great Basin area brought a line a thunderstorms across the region through the morning hours. This line bowed out in several areas bringing damaging wind gusts to parts of the region along with large hail.
- Hail in North Dakota, June 13, 2017Severe thunderstorms moved along the North Dakota/South Dakota border before sunrise, affecting portions of southeast North Dakota.
- Flash Flooding and Flooding in Ohio, June 13, 2017Strong to severe thunderstorms developed in a hot and humid airmass. Some the thunderstorms produced flash flooding.
- Damaging Winds in Minnesota, June 13, 2017Lift from a large upper level low pressure area in the Great Basin area brought a line a thunderstorms to the region into the early morning hours. This line bowed out in several areas bringing damaging wind gusts of 60 to 70 mph to parts of west central Minnesota.
- Tornadoes and Hail in Minnesota, June 13 to 14, 2017A sunrise thunderstorm near Morris, Minnesota produced nickel size hail as a few storms moved across the area. During the afternoon of Tuesday, June 13th, a Supercell type storm developed near Montevideo in west central Minnesota, and moved north.
- Hail and Damaging Wind in Minnesota, June 13, 2017Strong storms moved across Pine, Crow Wing and Itasca Counties and produced damaging winds that took down power lines. Hail from dime size to ping pong size was also reported.
- Flash Flood in Florida, June 13, 2017Heavy rain caused flooding in Northwest Florida.
- Damaging Wind in Indiana, June 13, 2017Strong to severe thunderstorms developed in a hot and humid airmass.
- Damaging Wind in West Virginia, June 13, 2017A rather tropical like atmosphere with abundant moisture, and several weak upper level waves, lead to scattered showers and thunderstorms. With the high moisture content, heavy rainfall occurred in many storms.
- Flash Flood and Flood in Ohio, June 13, 2017A rather tropical like atmosphere with abundant moisture, and several weak upper level waves, led to scattered showers and thunderstorms on the 13th. With the high moisture content, heavy rainfall occurred in many storms.
- Hail and Damaging Winds in Indiana, June 13, 2017On the 13th, scattered thunderstorms developed across central Indiana during the late morning. These storms produced some structure and tree damage in Johnson County and large hail in Boone County.
- Hail and Damaging Winds in Indiana, June 13 to 14, 2017A lake breeze developed and worked inland, providing the focus for widely scattered thunderstorm development. Storms were pulse in nature with cell intensification aided at times by boundary interactions or mergers. Isolated damage reports were received.
- Hail and Damaging Winds in Virginia, June 13, 2017High pressure centered to the south of the region provided ample moisture and warmer than normal temperatures for mid-June. A pronounced upper-level storm system to the west of the region would be the trigger to induce afternoon thunderstorms through much of the region.
- Hail and Damaging Winds in Ohio, June 13, 2017A passing shortwave and weak cold front helped to initiate slow-moving showers and thunderstorms across the region on the 13th. There were several reports of trees and wires down, as well as some flash flooding in Allegheny county, Pennsylvania.
- Damaging Wind in Kentucky, June 13, 2017Strong thunderstorms developed in a hot and humid airmass.
- Flash Flood and Hail in North Carolina, June 13, 2017Scattered to numerous thunderstorms developed during the afternoon and evening across western North Carolina. Multiple storms reached severe levels for brief periods, producing mainly localized wind damage. However, isolated hail to the size of quarters was also reported.
- Damaging Winds in New York, June 13, 2017A cold front crossed through the area during the afternoon and evening hours on Tuesday, June 13th. With a warm and humid air mass ahead of the front, some showers and thunderstorms developed across the area.
- Hail and Damaging Winds in West Virginia, June 13, 2017A passing shortwave and weak cold front helped to initiate slow-moving showers and thunderstorms across the region on the 13th. There were several reports of trees and wires down, as well as some flash flooding in Allegheny county, Pennsylvania.
- Hail and Damaging Winds in Ohio, June 13, 2017A nearly stationary front was draped across northern Ohio during the afternoon and evening of June 13th. A broken line of showers and thunderstorms developed along this front. A few of the stronger storms became severe.
- Hail and Damaging Winds in North Carolina, June 13, 2017High pressure centered to the south of the region provided ample moisture and warmer than normal temperatures for mid-June. A pronounced upper-level storm system to the west of the region would be the trigger to induce afternoon thunderstorms through much of the region.
- Flash Flooding and Hail in Illinois, June 13, 2017Scattered thunderstorms occurred during the afternoon of June 13th into the early morning hours of June 14th producing hail, heavy rain and flash flooding.
- Flash Flooding and Flood in Pennsylvania, June 13, 2017A passing shortwave and weak cold front helped to initiate slow-moving showers and thunderstorms across the region on the 13th. There were several reports of trees and wires down, as well as some flash flooding in Allegheny county, Pennsylvania.
- Hail and Damaging Winds in Kentucky, June 13, 2017Isolated to scattered thunderstorms developed late this morning and afternoon, before morphing into a larger line by late afternoon as preexisting outflow boundaries shifted south into eastern Kentucky.
- Hail and Damaging Winds in South Carolina, June 13, 2017Scattered to numerous thunderstorms developed during the afternoon and evening across Upstate South Carolina. A few storms reached severe levels for brief periods, producing localized wind damage and hail to the size of quarters.
- Hail and Damaging Winds in New York, June 13, 2017A passing cold front triggered isolated severe storms over Orange and Putnam Counties.
- Damaging Winds in North Carolina, June 13, 2017A line of showers and thunderstorms developed in association with an upper level low and associated cold pool aloft. A couple thunderstorms embedded in the line produced isolated wind damage in Guilford County.
- Flash Flooding in Ohio, June 13, 2017A weak and slow Southward-moving cold front was located over the southern Great Lakes on the afternoon of the 13th. To the south of the boundary, a warm and moist airmass was present where clusters of showers and thunderstorms began to develop.
- Tornado and Hail in Minnesota, June 13 to 14, 2017During the late afternoon and evening of the 13th, another round of severe thunderstorms fired up, mainly affecting southeast North Dakota into west central Minnesota.
- Hail and Damaging Winds in South Dakota, June 13, 2017Thunderstorms developed by late afternoon in southcentral South Dakota and quickly became severe. Many areas experienced large hail and damaging winds.
- Tornadoes and Hail in South Dakota, June 13, 2017A large upper level low pressure trough lifting northeast over the region along with a surface cold front interacting with a warm and very humid air mass brought severe thunderstorms to the region.
- Hail and Damaging Winds in Ohio, June 13, 2017Scattered thunderstorms developed in portions of northern Indiana and moved east into northwestern Ohio. Sporadic storm mergers and outflow boundary interactions caused some storms to briefly intensify and produce localized damage during the collapse stage.
- Hail and Damaging Winds in Massachusetts, June 13 to 22, 2017A cold front swept from northwest to southeast across Southern New England on June 13th. The air leading the cold front was very warm and humid with heat indices in the mid to upper 90s.
- Hail and Damaging Winds in Kansas, June 13 to 14, 2017A rather anomalous upper low (by mid-June standards) was centered |across western Wyoming and lifted north into Montana on June 13. A spoke of mid level potential vorticity swung around the base of the trough across in Colorado.
- Hail in Texas, June 13, 2017Severe Weather over the Panhandles with the main threats being hail around 2 inches in diameter and 60 mph wind gusts or greater. Bulk shear values will range between 40 and 55 knots with most unstable CAPE values around 2000 to 3500 J/kg.
- Flash Flood and Damaging Winds in Mississippi, June 13 to 15, 2017Showers and thunderstorms developed each day in a warm, moist, and unstable air mass. Some of these storms produced damaging wind gusts, small hail, and some flash flooding.
- Damaging Winds in Pennsylvania, June 13, 2017Widely scattered thunderstorms developed in a hot and humid airmass over central Pennsylvania during the afternoon of June 13, 2017. A couple of the storms produced reports of wind damage, one report in Cambria County and the other in Lycoming.
- Hail and Damaging Wind in Texas, June 13, 2017A second consecutive day of late spring season dryline storms developed over the central South Plains. A few of these isolated storms quickly became severe under a very unstable atmosphere.
- Hail in Oklahoma, June 13, 2017Severe Weather over the Panhandles with the main threats being hail around 2 inches in diameter and 60 mph wind gusts or greater. Bulk shear values will range between 40 and 55 knots with most unstable CAPE values around 2000 to 3500 J/kg.
- Flash Flood and Hail in Indiana, June 13, 2017Scattered thunderstorms produced hail and flooding across parts of Northwest Indiana during the afternoon and evening of June 13 into the early morning of June 14th.
- Flash Flood and Flood in Kansas, June 13 to 15, 2017A strong storm produced strong winds, hail, and some flooding at many locations across the area.
- Hail in Montana, June 13, 2017A large low-pressure system moving through the area combined with an unstable atmosphere to create a few strong thunderstorms near the Big Sheep Mountains - one of which became severe.
- Hail in North Dakota, June 13, 2017A strong low pressure system moving through the region resulted in thunderstorms developing in the late afternoon and early evening over portions of south central North Dakota into the James River Valley. One storm became severe over Logan County, with one-inch diameter hail.
- Hail and Damaging Wind in Kansas, June 13, 2017While more concentrated swaths of severe weather focused a few counties off to the north and also southwest, small portions of this six-county North Central Kansas area also saw a handful of severe storms on this Tuesday evening.
- Hail and Damaging Winds in Nebraska, June 13, 2017In what had been a slower-than-average severe weather season up to this point within South Central Nebraska, this Tuesday evening event ended up being one of the most significant episodes of the 2017 season. Primarily between 6:30-10:30 p.m.
- Flash Flood in New York, June 13, 2017A cold front moved slowly across the area during the afternoon and evening hours, sparking scattered thunderstorms that resulted in isolated flash flooding across Orange County.
- Hail and Damaging Wind in Oklahoma, June 13 to 14, 2017Storms formed off of the dryline in the Texas panhandle during the afternoon of the 13th. Storms moved eastward into Oklahoma and continued into early on the 14th.
- Tornadoes and Damaging Winds in Minnesota, June 13, 2017A large upper level low pressure trough lifting northeast over the region along with a surface cold front interacting with a warm and very humid air mass brought severe thunderstorms to west central Minnesota during the evening hours.
- Hail and Damaging Wind in Texas, June 13, 2017A dryline was set up along the New Mexico and Texas state line. To the east of the dryline, there was ample moisture which increased instability.
- Hail and Damaging Winds in North Dakota, June 13, 2017During the late afternoon and evening of the 13th, another round of severe thunderstorms fired up, mainly affecting southeast North Dakota into west central Minnesota.
- Hail and Damaging Wind in New Jersey, June 13, 2017A severe thunderstorm impacted Sussex County, NJ. This storm produced a 46 mph wind gust and nickel size hail. Lightning also downed a tree which landed on a house. Another tree was downed due to wind on highway 23.
- Hail and Damaging Winds in Nebraska, June 13, 2017During the evening hours of June 13th, multiple rounds of strong to severe storms tracked from central into eastern Nebraska, producing damaging wind gusts, large hail and heavy rain.
- Damaging Winds in Iowa, June 13, 2017Severe thunderstorms moved out of southeast South Dakota into areas of northwest Iowa. The storms transitioned into wind producers across the area.
- Damaging Wind in Nebraska, June 13, 2017Severe thunderstorms moved out of southeast South Dakota into areas of northeast Nebraska. The storms transitioned into wind producers across the area.
- Hail in Kansas, June 13, 2017During the evening quarter size hail was reported north of Hill City from a severe thunderstorm.
- Hail and Damaging Winds in Minnesota, June 13, 2017Severe thunderstorms moved out of southeast South Dakota into areas of southwest Minnesota. The storms transitioned into wind producers across the area.
- Damaging Wind in Tennessee, June 13, 2017Scattered thunderstorms affected parts of the Upper Cumberland during the evening hours on June 14. One report of damaging winds was received from Macon County.
- Damaging Winds in Iowa, June 13 to 14, 2017A slow moving cold front in central Nebraska initiated storms during the evening of the 13th which became linear and progressed into Iowa during the overnight hours.
- Damaging Wind in Wisconsin, June 14, 2017A strong thunderstorm moved across Washburn county and produced a wind gust to 50 knots near the Minong Sutherland Airport.
- Hail and Damaging Winds in Kansas, June 14 to 15, 2017A complex of thunderstorms produced numerous large hail and damaging wind reports during the afternoon and evening hours of June 15.
- Hail and Damaging Winds in Iowa, June 14, 2017A hot a humid air mass led to scattered thunderstorms the morning and afternoon of June 14th, 2017. The scattered thunderstorms brought heavy rain rates, and spotty severe weather reports across eastern Iowa, northwest Illinois, and northeast Missouri.
- Damaging Wind in Nebraska, June 14, 2017An area of thunderstorms developed from east central Nebraska to south central Nebraska along a front during the morning hours of the 14th. One storm produced 60 mph winds south of Lorton Village in Otoe County.
- Flash Flood and Damaging Wind in Ohio, June 14, 2017Strong thunderstorms developed in a hot and humid airmass. Some of the thunderstorms produced flooding.
- Tornado and Damaging Wind in Florida, June 14, 2017A line of showers and thunderstorms formed along a sea breeze collision over the interior peninsula during the early afternoon.
- Flash Flooding and Hail in Missouri, June 14 to 15, 2017Outflow boundary moved through region and was the trigger for multicell thunderstorm complex. There were numerous reports of damaging winds with these storms.
- Hail and Damaging Winds in Illinois, June 14, 2017Outflow boundary moved through region and was the trigger for multicell thunderstorm complex. There were numerous reports of damaging winds with these storms.
- Damaging Wind in Tennessee, June 14, 2017An isolated severe thunderstorm formed on the Cumberland Plateau during peak heating. Damaging wind gusts occurred with this storm.
- Hail and Damaging Winds in Illinois, June 14, 2017A hot a humid air mass led to scattered thunderstorms the morning and afternoon of June 14th, 2017. The scattered thunderstorms brought heavy rain rates, and spotty severe weather reports across eastern Iowa, northwest Illinois, and northeast Missouri.
- Damaging Wind in Indiana, June 14, 2017Strong thunderstorms developed in a hot and humid airmass.
- Hail and Damaging Winds in Illinois, June 14, 2017An upper-level disturbance interacted with a warm and humid airmass to trigger scattered severe thunderstorms during the afternoon and early evening of June 14th.
- Hail and Damaging Winds in Wisconsin, June 14, 2017A warm front and shortwave trough brought lines and clusters of severe thunderstorms to southern WI for the afternoon and evening hours. Large hail and straight-line winds were prevalent with tree damage and some structural damage occurring.
- Damaging Winds in West Virginia, June 14, 2017A weak boundary remained overhead. Warm and humid conditions ahead of the boundary caused a couple severe thunderstorms to develop.
- Tornadoes and Damaging Winds in Wisconsin, June 14, 2017A line of thunderstorms, known as a quasi-linear convective system (QLCS), formed ahead of a cold front and produced widespread winds of 50 to 70 mph and tornadoes as it passed through central and east-central Wisconsin. Ten tornadoes formed during the afternoon.
- Damaging Winds in Georgia, June 14, 2017Strong daytime heating resulted in a moderately unstable atmosphere by late afternoon and evening across north Georgia.
- Flash Flooding and Flood in Puerto Rico, June 14, 2017Upper level trough with associated strong upper level divergence provided strong dynamics and lifting mechanism to resulting in showers and thunderstorms developing over the area.
- Flash Flooding and Damaging Wind in Kentucky, June 14, 2017Numerous thunderstorms developed this morning and afternoon across eastern Kentucky. One of these produced high winds in Wolfe County, while two instances of flash flooding occurred in Magoffin and Knott Counties.
- Damaging Winds and Lightning Strikes in Virginia, June 14, 2017Scattered severe thunderstorms associated with a trough of low pressure produced damaging winds across portions of southeast Virginia.
- Damaging Winds in North Carolina, June 14, 2017Scattered showers and thunderstorms developed across Central North Carolina during the afternoon and evening. A few storms became severe, producing isolated damaging winds.
- Damaging Wind in Missouri, June 14, 2017A hot a humid air mass led to scattered thunderstorms the morning and afternoon of June 14th, 2017. The scattered thunderstorms brought heavy rain rates, and spotty severe weather reports across eastern Iowa, northwest Illinois, and northeast Missouri.
- Flash Flooding and Flood in Pennsylvania, June 14 to 15, 2017Slow moving thunderstorms developed along a stationary boundary across the region, in a tropical, moisture rich airmass. With the slow movement, heavy rain produced widespread flash flooding across portions of southern Allegheny county, Pennsylvania.
- Damaging Winds in Virginia, June 14, 2017High pressure off the coast had been advecting warm and unstable air into the region for a couple of days. A weak backdoor cold front north of the region would push south into the unstable air mass triggering a couple of severe thunderstorms.
- Damaging Wind in Michigan, June 14, 2017A strong wind gust from a passing thunderstorm caused a power outage in Menominee on the 14th.
- Damaging Wind in Indiana, June 14, 2017A thunderstorm developed over the west side of Indianapolis during the evening of the 14th of June. As this storm grew, it developed a gustnado that impacted some baseball and softball fields in the town of Avon.
- Damaging Wind in Indiana, June 14, 2017Scattered thunderstorms produced damaging winds in parts of northwest Indiana during the afternoon and evening of June 14th.
- Hail and Damaging Winds in Texas, June 14, 2017During the early evening of June 14, 2017 severe thunderstorms developed along a dryline and moved across Odessa and into Midland, Texas. An upper low was over North Dakota while upper ridging was over northern Mexico.
- Damaging Winds in Michigan, June 14, 2017One more round of strong to severe thunderstorms, as another organized clluster of storms moved in from northern Lake Michigan.
- Damaging Wind in North Carolina, June 14, 2017A backdoor cold front approached from the north as a mid-level shortwave moved southeast across the area.
- Damaging Wind in North Carolina, June 14, 2017High pressure off the coast had been advecting warm and unstable air into the region for a couple of days. A weak backdoor cold front north of the region would push south into the unstable air mass triggering a couple of severe thunderstorms.
- Hail in Texas, June 14, 2017For a third consecutive day, isolated thunderstorms developed along a dryline under a very unstable atmosphere. One of these storms became severe as it moved over Kent County producing golf ball size hail.
- Hail in Oklahoma, June 14, 2017The evening of the 14th saw a few isolated storms develop along a stalled front in western Oklahoma.
- Hail in Missouri, June 14, 2017On the evening of June 14 a storm produced a nickel sized hail stone.
- Damaging Wind in Michigan, June 14, 2017An isolated severe thunderstorm developed over Coleman in Midland county.
- Hail and Damaging Winds in Missouri, June 15 to 17, 2017Several rounds of severe thunderstorms impacted the Missouri Ozarks with wind damage.
- Flash Flooding in Indiana, June 15, 2017A dying MCS produced heavy rain and flooding.
- Lightning Strikes in Florida, June 15, 2017Thunderstorms produced heavy rain and lightning strikes which caused damage.
- Hail and Damaging Winds in Iowa, June 15, 2017After an early morning round of dissipating thunderstorms that brought gusty winds, late afternoon storms formed over eastern Iowa and northwest Illinois.
- Hail and Damaging Winds in Oklahoma, June 15, 2017Strong to severe thunderstorms moved into eastern Oklahoma during the early morning hours of the 15th. The strongest storms produced hail up to golfball size. These storms dissipated by late morning.
- Hail and Damaging Winds in Arkansas, June 15 to 18, 2017On the 18th, a cold front moved around the ridge and was accompanied by a large area of showers and thunderstorms. This precipitation arrived from Oklahoma in the morning.
- Hail in Oklahoma, June 15, 2017As a shortwave continued to make its way across the area, a few storms developed over central Oklahoma late morning on the 15th.
- Damaging Wind and Lightning Strike in Tennessee, June 15, 2017A line of showers and strong thunderstorms moved across Middle Tennessee during the late morning and early afternoon hours on June 15. One report of wind damage and another report of lightning damage were received.
- Damaging Winds in Mississippi, June 15, 2017A passing cold front generated a broken line of severe thunderstorms that produced wind damage across portions of northeast Mississippi during the early afternoon hours of June 15th.
- Damaging Winds in Alabama, June 15, 2017A broken line of strong to severe thunderstorms pushed southeast through the Tennessee Valley during the early to mid-afternoon hours. Many of the storms produced strong outflow winds of 40 to 55 mph knocking down numerous tree limbs and small trees.
- Hail and Damaging Winds in Florida, June 15, 2017A deepening upper level trough across GA and the eastern Gulf of Mexico destabilized the mid and upper levels under prevailing moist WSW flow.
- Damaging Wind in North Carolina, June 15, 2017Thunderstorms blossomed in the afternoon heat and humidity and produced wind damage.
- Hail and Damaging Wind in North Carolina, June 15, 2017Scattered thunderstorms developed during the afternoon and evening. A couple of the storms produced brief, localized hail and damaging winds.
- Hail and Damaging Winds in Kansas, June 15, 2017Surface low pressure located across west central Kansas had a cold front extending southward into portions of western Kansas with a warm front extending eastward into portions of central Kansas.
- Damaging Winds in Tennessee, June 15, 2017A couple severe thunderstorms developed on the Plateau during the peak instability available during the afternoon. Trees were reported down in a few spots.
- Hail and Damaging Winds in South Carolina, June 15, 2017Thunderstorms blossomed in the afternoon heat and humidity and produced several reports of wind damage and one report of large hail.
- Flash Flooding and Damaging Winds in Pennsylvania, June 15, 2017Moist antecedent conditions in conjunction with a passing shortwave helped to produce yet another round of thunderstorms with heavy rain across southwestern Pennsylvania. Southern Allegheny county, Pennsylvania was hardest hit, once again.
- Damaging Winds in Georgia, June 15, 2017A very moist and unstable air mass in place across the area, combined with strong daytime heating and a mid-level trough sweeping through the region, resulted in numerous strong to severe thunderstorms across north and central Georgia.
- Damaging Winds in Alabama, June 15, 2017Thunderstorms developed along a large and progressive outflow boundary that tracked southeast across all of central Alabama during the afternoon and early evening hours. The thunderstorms produced widespread wind damage.
- Hail and Damaging Winds in South Carolina, June 15, 2017Scattered thunderstorms developed over Upstate South Carolina during the late afternoon and evening. A few of the storms produced brief periods of hail and locally damaging winds.
- Flash Flooding and Damaging Winds in New York, June 15, 2017A warm front during the morning of the 15th brought a soaking rainfall across the Genesee Valley and Finger Lakes. During the afternoon hours thunderstorms developed along the Lake Erie lake breeze.
- Hail in Texas, June 15, 2017LAPS CAPE analysis showed 3000-3500 J/kg for storms to work with while deep layer shear being fairly limited of 20-25kt. Threats of large hail was the primary hazard. There is also a damaging wind threat due to elevated cloud bases under the inverted-v soundings.
- Hail in Georgia, June 15, 2017Scattered thunderstorms developed over northeast Georgia during the late afternoon. One storm produced brief large hail over Habersham County.
- Hail and Damaging Winds in Kansas, June 15, 2017Widespread thunderstorms packed a strong punch for most locations across central and portions of southeast Kansas. Several wind gusts into the 70 to 80 mph range were reported. Large hail also occurred with many of these storms with several stones larger than golf balls.
- Flash Flooding and Flood in Virginia, June 15 to 16, 2017With a persistent surface high pressure area centered off the Atlantic coast circulating warm and very moist air into the region, showers once again blossomed during the late afternoon of June 15th and into the early morning hours of the 16th, partially in response to an…
- Hail in Kansas, June 15, 2017Although the vast majority of severe weather within the Sunflower State on this Thursday focused within central, south central and northeastern counties, a lone severe storm flared up over Rooks County of North Central Kansas between 4:00-4:30 p.m.
- Damaging Winds and Lightning Strikes in Virginia, June 15 to 16, 2017For several days, high pressure to the east had pushed warm and humid air into the region. As an upper level storm system moved across the mountains from the Ohio Valley, scattered severe thunderstorms developed across the area.
- Flash Flood and Hail in Texas, June 15, 2017Very hot temperatures helped fuel scattered thunderstorms over the South Plains and also in the far southeast Texas Panhandle this afternoon. Some of these high-based storms acquired rotation and produced bursts of large hail, flooding and destructive downbursts.
- Hail and Damaging Wind in South Carolina, June 15, 2017An unstable atmosphere developed within deepening moisture and warm temperatures during afternoon hours. The setup led to strong thunderstorms over the area between a piedmont trough inland and a seabreeze circulation along the coast.
- Damaging Wind in Georgia, June 15, 2017A deepening upper level trough across GA and the eastern Gulf of Mexico destabilized the mid and upper levels under prevailing moist WSW flow.
- Flash Flooding and Flooding in South Carolina, June 15 to 16, 2017An upper disturbance combined with atmospheric instability and moisture to produce scattered severe thunderstorms producing wind damage, along with locally heavy rain with slow moving and training storms, during the evening hours of June 15th into the very early morning hours of…
- Hail and Damaging Winds in Texas, June 15, 2017An upper ridge was over the southcentral part of the country with westerly winds aloft. A dryline set up across the area with very moist air across the eastern Permian Basin and Lower Trans Pecos.
- Hail and Damaging Winds in Oklahoma, June 15, 2017Storms formed in off the dryline in the Texas panhandle on the afternoon of the 15th, then moved eastward into Oklahoma through the evening.
- Flash Flooding and Damaging Winds in Pennsylvania, June 15 to 16, 2017Scattered thunderstorms developed in a warm and very humid airmass across central Pennsylvania during the late afternoon and evening of June 15, 2017. These storms produced a handful of reports of wind damage across the western highlands of Pennsylvania.
- Hail and Damaging Wind in Michigan, June 15, 2017An upper disturbance moving over a stalled out frontal boundary produced severe thunderstorms with large hail over Alger and Schoolcraft counties in the afternoon and evening of the 15th.
- Hail and Damaging Winds in Iowa, June 15, 2017A weak frontal boundary meandered across Iowa, primarily stalling out in a northeast to southwest orientation.
- Damaging Wind in Virginia, June 15, 2017An isolated severe thunderstorm developed due to a warm and humid airmass in place.
- Hail in Iowa, June 15, 2017Several isolated thunderstorms developed along a northeast-southwest orientated front and produced large hail during the late afternoon and early evening across southwest Iowa into southeast Nebraska. Some of the hailstones were as large as baseballs from this event.
- Damaging Wind in Kentucky, June 15, 2017Scattered to numerous thunderstorms developed this afternoon and evening, following a round of morning activity that produced several outflow boundaries across eastern Kentucky. These became the focus for afternoon and evening redevelopment.
- Hail in Mississippi, June 15, 2017A sea breeze boundary collided with an outflow boundary from a thunderstorm, and produced a severe thunderstorm along the Mississippi coastline.
- Flash Flood and Hail in Nebraska, June 15, 2017Several isolated thunderstorms developed along a northeast-southwest orientated front and produced large hail and heavy rain during the late afternoon and early evening across southwest Iowa into southeast Nebraska.
- Hail in Nebraska, June 15, 2017Although the vast majority of severe weather within the Central Plains region on this Thursday focused within Kansas and southeast Nebraska, a rogue severe storm blossomed in the far southeast corner of South Central Nebraska (Thayer County) around 7:30 p.m.
- Hail in North Carolina, June 15, 2017For several days, high pressure to the east had pushed warm and humid air into the region. As an upper level storm system moved across the mountains from the Ohio Valley, scattered severe thunderstorms developed across the area.
- Damaging Winds in Texas, June 15, 2017A cold front triggered a line of thunderstorms. This line began producing damaging thunderstorms winds near Roby, resulting in damage. As the line of storms moved south and southeast it continued to produce damaging downburst winds across the Big Country.
- Hail and Damaging Winds in Kansas, June 15 to 17, 2017On the afternoons of June 15 through June 17 multiple rounds of severe storms raked through eastern Kansas causing widespread wind damage and large hail.
- Tornado and Hail in Missouri, June 15 to 17, 2017On the afternoons of June 15 through June 17 mulitple rounds of severe storms raked through western and central Missouri causing widespread wind damage and large hail. A tornado occurred in Lafayette County after dark, causing minor damage to rural areas north of Bates City.
- Damaging Winds in Wisconsin, June 15, 2017A thunderstorm near a frontal boundary over southwest WI produced downburst winds and tree damage.
- Damaging Winds in Illinois, June 15, 2017After an early morning round of dissipating thunderstorms that brought gusty winds, late afternoon storms formed over eastern Iowa and northwest Illinois.
- Damaging Winds in Arkansas, June 15 to 16, 2017Strong to severe thunderstorms erupted over central Kansas during the afternoon of the 15th, as an upper level disturbance translated into the area from the west-northwest.
- Damaging Wind in Iowa, June 16, 2017Several clusters of strong to severe storms moved over the area the afternoon and evening of June 16th, 2017. These storms mainly brought heavy rainfall, but also a few strong wind gusts.
- Flash Flood and Flood in Virginia, June 16 to 17, 2017Evening convection redeveloped on the 16th with the Blue Ridge foothills and southside VA counties (Henry, Pittsylvania, Franklin and Halifax) once again receiving the bulk of the rainfall. Rainfall was estimated by radar at 1 to 2.5 inches in a few hours.
- Flash Flood and Heavy Rain in West Virginia, June 16, 2017An unstable airmass with plenty of moisture remained in place ahead of a weak cold front on the 16th. This caused showers and thunderstorms with pockets of heavy rain through the day.
- Tornadoes and Damaging Winds in Iowa, June 16, 2017A line of intense supercell thunderstorms developed over northeast Nebraska during the afternoon hours of Friday, June 16.
- Hail and Damaging Winds in Michigan, June 16, 2017An upper disturbance moving along a stalled out frontal boundary produced severe thunderstorms over south central Upper Michigan on the 16th.
- Flash Flooding and Flooding in Virginia, June 16, 2017A warm front moved northward across the Mid-Atlantic region and southerly flow transported moisture into the region. Breaks in sunshine led to increased instability and showers and thunderstorms formed and produced very heavy rain that led to flooding.
- Flash Flooding and Debris Flow in Pennsylvania, June 16, 2017Yet another day of showers and thunderstorms with heavy rain passed over Allegheny county, Pennsylvania. After 3 prior days of rain, flash flood guidance was less than an inch over the region.
- Hail and Damaging Winds in Wisconsin, June 16, 2017Thunderstorms that moved across central and east central Wisconsin produced isolated damaging winds and large hail.
- Flash Flood and Hail in Arkansas, June 16, 2017A passing upper level disturbance produced a few severe thunderstorms that brought hail and heavy rain to portions of the Midsouth during the mid afternoon of June 16th.
- Hail in North Carolina, June 16, 2017Scattered thunderstorms developed during the afternoon across the North Carolina Blue Ridge. One of the storms produced brief hail in McDowell County.
- Flash Flooding and Flooding in Mississippi, June 16 to 17, 2017An upper level disturbance and the remnants of a convective complex triggered severe storms as they encountered an unstable airmass across the ArkLaMiss region.
- Damaging Wind in Minnesota, June 16, 2017An upper level disturbance in an unstable environment caused thunderstorms that produced wind damage in South Central Minnesota. The same disturbance caused severe hail in West Central Wisconsin.
- Hail in Mississippi, June 16, 2017A passing upper level disturbance produced a few severe thunderstorms that brought hail and heavy rain to portions of the Midsouth during the mid afternoon of June 16th.
- Damaging Wind in Illinois, June 16, 2017Isolated severe storms moved through southern Illinois.
- Tornadoes and Hail in Nebraska, June 16 to 28, 2017A line of intense supercell thunderstorms developed over northeast Nebraska during the afternoon hours of Friday, June 16.
- Tornado and Hail in Iowa, June 16 to 17, 2017A lingering frontal boundary that initiated storms the previous couple of days remained across northwest and northern Iowa on the 16th.
- Hail and Damaging Winds in Minnesota, June 16, 2017A complex of storms moved across southeast Minnesota during the afternoon of June 16th. These storms produced large hail and damaging wind.
- Damaging Wind in Virginia, June 16, 2017Isolated severe thunderstorm along a frontal boundary produced damaging winds across portions of southeast Virginia.
- Damaging Winds in New York, June 16, 2017A thunderstorm developed near the junction of the Lake Erie and Lake Ontario lake breeze boundaries. The thunderstorm produced damaging winds that downed trees in Seneca Castle.
- Damaging Wind in South Carolina, June 16, 2017Widely scattered thunderstorms developed during the afternoon and evening across Upstate South Carolina. One storm produced a brief microburst over northern Oconee County.
- Damaging Wind in Pennsylvania, June 16, 2017Scattered showers and thunderstorms developed in a warm and very humid airmass across central Pennsylvania during the evenings of June 15th and 16th, 2017. The primary threat was heavy rain, but an isolated wind damage report was received from Centre County.
- Hail and Damaging Winds in Wisconsin, June 16, 2017A complex of storms moved across western Wisconsin during the afternoon and evening of June 16th. These storms produced quite a bit of large hail and also had some damaging winds in them.
- Damaging Wind in Indiana, June 16, 2017A storm developed within a cluster of convection along the Illinois-Indiana state line, northwest of Cayuga. This storm continued to develop and push east southeast, causing tree damage in southern Fountain County.
- Flash Flood and Damaging Winds in North Carolina, June 16, 2017A few loosely organized multicell convective clusters developed during the late afternoon and evening across the central Piedmont of North Carolina. The storms produced scattered thunderstorm wind damage and localized flash flooding.
- Hail and Damaging Wind in Mississippi, June 16, 2017Thunderstorms moved across southeast Mississippi and produced large hail and high winds.
- Hail in Nebraska, June 16, 2017Although the bulk of a more widespread/significant severe weather event focused slightly east of the local area on this Friday afternoon and evening, the western fringes of a southward-moving complex of severe storms brushed into mainly far eastern South Central Nebraska…
- Hail in Wisconsin, June 16, 2017An upper level disturbance in an unstable environment caused thunderstorms that produced hail up to the size of golf balls in West Central Wisconsin. The same disturbance caused localized severe wind in South Central Minnesota.
- Damaging Wind in Montana, June 16, 2017Amid otherwise benign rain showers, a subtle dry-line became the focus for some stronger rain showers and a few isolated thunderstorms, one of which produced severe downdraft winds in eastern McCone County.
- Damaging Winds in Alabama, June 16, 2017Thunderstorms produced high winds which downed trees and power lines in southwest Alabama.
- Flash Flood in Virginia, June 16, 2017Scattered thunderstorms along a frontal boundary produced heavy rain which caused flash flooding across portions of central Virginia.
- Hail in Wisconsin, June 16, 2017Cluster of thunderstorms due to an approaching cold front moved across southern WI during the evening. One storm produced large hail.
- Tornado and Hail in Kansas, June 16 to 17, 2017Supercell thunderstorms moved southeast out of Nebraska late on the night of June 16th and produced widespread wind damage, very large hail and one tornado in Marshall County Kansas. No injuries occurred with the storms.
- Tornado and Damaging Wind in Mississippi, June 16, 2017A complex of thunderstorms moved southward out of northern Mississippi into southern Mississippi and the adjacent coastal waters during the late evening hours of the 16th and early morning hours of the 17th.
- Flash Flood in North Carolina, June 16 to 17, 2017A warm, moist and unstable air mass along the western edge of high pressure centered over the western Atlantic induced numerous showers and thunderstorms across portions of the western North Carolina piedmont.
- Hail and Damaging Winds in Iowa, June 17, 2017Supercell thunderstorms developed in Iowa, near Muscatine County the afternoon of June 17th. They produced large hail, heavy rain, and very high winds which caused damage to trees and some structures.
- Hail and Damaging Winds in Kansas, June 17, 2017Severe thunderstorm produced reports of wind damage and large hail across southeast Kansas.
- Hail and Damaging Winds in Kansas, June 17, 2017Another round of severe weather moved across portions of south central and southeast Kansas. Winds were the main culprit with most speeds around 65 to 70 mph, however, a gust to 80 mph was noted.
- Flash Flood and Hail in Oklahoma, June 17 to 18, 2017Strong to severe thunderstorms developed along a frontal boundary located across southeastern Nebraska during the afternoon hours of the 16th.
- Damaging Winds and Lightning Strike in Florida, June 17, 2017A mid to upper level was over the NE GOMEX with prevailing SW steering flow. Drier air was over the area compared to recent days with PWAT values 1.3-1.5 inches, which kept storm coverage lower than prior days, but also enhance DCAPE values due to dry air entrainment into storms.
- Hail in Minnesota, June 17, 2017A thunderstorm cell formed over northern Cass County in North Dakota during the early afternoon of June 17th.
- Damaging Wind in Georgia, June 17, 2017Strong daytime heating resulted in scattered thunderstorms across north and central Georgia, with isolated severe thunderstorms in central Georgia during the mid to late afternoon.
- Damaging Wind in Michigan, June 17, 2017An isolated severe thunderstorm produced damaging wind gusts estimated at up to 70 mph in southeast Gratiot county.
- Damaging Winds in Michigan, June 17, 2017A severe thunderstorm tracking in from Gratiot County produced a path of wind damage in Fenmore in Saginaw County associated with straight line winds with wet micro-bursts leading to pockets of enhanced damage.
- Damaging Winds and Heavy Rain in Illinois, June 17, 2017Scattered strong to severe thunderstorms developed during the afternoon of June 17th and continued into the evening producing wind damage and heavy rain.
- Damaging Winds in Georgia, June 17, 2017A mid to upper level was over the NE GOMEX with prevailing SW steering flow. Drier air was over the area compared to recent days with PWAT values 1.3-1.5 inches, which kept storm coverage lower than prior days, but also enhance DCAPE values due to dry air entrainment into storms.
- Hail and Damaging Winds in Kansas, June 17, 2017A broad area of weak low surface pressure extended from the Oklahoma and Texas Panhandles into northeast Kansas, and gradually become displaced southward by the leading edge of a surface high that moved into eastern Colorado.
- Hail and Damaging Wind in Iowa, June 17, 2017For the fourth day in a row a frontal boundary found itself primarily stalled out and draped across Iowa.
- Damaging Wind in Georgia, June 17, 2017Strong thunderstorms developed within a warm and moist atmosphere as a weak shortwave passed over Southeast Georgia.
- Hail in Michigan, June 17, 2017A severe thunderstorm dropped golf ball sized hail just north of Perkins in the early evening of the 17th.
- Hail and Damaging Winds in Illinois, June 17, 2017Supercell thunderstorms developed in Iowa, near Muscatine County the afternoon of June 17th. They produced large hail, heavy rain, and very high winds which caused damage to trees and some structures.
- Hail and Damaging Winds in Kansas, June 17, 2017Supercell thunderstorms developed during the early evening hours of June 17th, 2017. These storms produced very large hail and heavy rainfall. The storms merged into a line and pushed southeast across the forecast area.
- Flash Flooding in Kentucky, June 17, 2017A slow-moving cluster of thunderstorms produced localized flash flooding between Benton and Murray. The storms occurred in a very warm and moist southwest wind flow ahead of a cold front over northwest Missouri.
More
Every billion-dollar disasterEvery storm of 2017Tornadoes in 2017
Sources
NOAA NCEI, U.S. Billion-Dollar Weather and Climate Disasters (2025), https://doi.org/10.25921/stkw-7w73, and the Storm Events Database for the episodes.