sweetapricity/bridgedeck-noaa huggingface dataset:
An upper level shortwave trough moved through the region along a slowly advancing west to east frontal boundary. Several waves of thunderstorms developed along the boundary with rainfall amounts of two to four inches with isolated higher amounts. This caused flash flooding in several locations.

Thunderstorm Wind in ST. LOUIS, MISSOURI
From 21-AUG-19 19:53:00 to 21-AUG-19 19:53:00 (CST-6)
Location: CHESTERFIELD
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Thunderstorm winds blew down numerous 6 to 8 inch diameter tree limbs throughout Chesterfield and Clarkson Valley.

Flash Flood in ST. LOUIS, MISSOURI
From 21-AUG-19 20:30:00 to 22-AUG-19 03:00:00 (CST-6)
Location: FENTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Up to four inches of rain fell in about a two hour period causing flash flooding, especially in the Valley Park and Fenton areas. Several water rescues had to be performed, mainly near the intersection of I-44 and Highway 141.  The lanes of Highway 141 that go under I-44 were flooded again due to the the heavy rain. There were no reports of injuries.
Scattered severe thunderstorms in advance of a cold front produced damaging winds and large hail across portions of northeast North Carolina.

Hail in PASQUOTANK, NORTH CAROLINA
From 09-AUG-19 17:15:00 to 09-AUG-19 17:15:00 (EST-5)
Location: ELIZABETH CITY
Magnitude: 1.50 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Ping pong ball size hail was reported.

Thunderstorm Wind in CAMDEN, NORTH CAROLINA
From 09-AUG-19 17:05:00 to 09-AUG-19 17:05:00 (EST-5)
Location: SOUTH MILLS
Magnitude: 50.00 EG
Property damage: 5.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Trees were downed, and windows were blown out of structures in South Mills.

Thunderstorm Wind in PASQUOTANK, NORTH CAROLINA
From 09-AUG-19 17:30:00 to 09-AUG-19 17:30:00 (EST-5)
Location: ELIZABETH CITY
Magnitude: 50.00 EG
Property damage: 3.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Several power poles were downed in the Ehringhaus Street area causing power outages in Elizabeth City.

Thunderstorm Wind in PASQUOTANK, NORTH CAROLINA
From 09-AUG-19 17:29:00 to 09-AUG-19 17:29:00 (EST-5)
Location: (ECG)ELIZABETH CITY
Magnitude: 55.00 MG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: ASOS

Wind gust of 55 knots (63 mph) was measured at ECG.

Thunderstorm Wind in CURRITUCK, NORTH CAROLINA
From 09-AUG-19 17:10:00 to 09-AUG-19 17:10:00 (EST-5)
Location: SNOWDEN
Magnitude: 50.00 EG
Property damage: 2.00K
Crop damage: 0.00K
Reported by: Public

Part of a fence was blown down.
Isolated thunderstorm in advance of a cold front produced gusty winds across portions of the Chesapeake Bay.

Marine Thunderstorm Wind in CHESAPEAKE BAY WINDMILL PT TO NEW PT COMFORT VA, ATLANTIC NORTH
From 09-AUG-19 17:12:00 to 09-AUG-19 17:12:00 (EST-5)
Location: SILVER BEACH
Magnitude: 43.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Wind gust of 43 knots was measured at Silver Beach.
Isolated thunderstorm well in advance of a frontal boundary produced gusty winds across portions of the Chesapeake Bay.

Marine Thunderstorm Wind in MOUTH OF CHESAPEAKE BAY FROM NEW POINT COMFORT TO LITTLE CREEK, VA, ATLANTIC NORTH
From 13-AUG-19 16:00:00 to 13-AUG-19 16:00:00 (EST-5)
Location: YORK RIVER EAST REAR RANGE LIGHT WLON (YKRV2)
Magnitude: 38.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: C-MAN Station

Wind gust of 38 knots was measured at York River East Rear Range Light.
Isolated severe thunderstorm associated with a nearly stationary frontal boundary produced damaging winds across portions of northeast North Carolina.

Thunderstorm Wind in CURRITUCK, NORTH CAROLINA
From 15-AUG-19 16:30:00 to 15-AUG-19 16:30:00 (EST-5)
Location: MAYOCK
Magnitude: 50.00 EG
Property damage: 1.00K
Crop damage: 0.00K
Reported by: 911 Call Center

Tree was downed across Northwest Backwoods Road.
Scattered thunderstorms associated with a nearly stationary frontal boundary produced heavy rain which caused flooding across portions of southeast Virginia.

Flood in SUSSEX, VIRGINIA
From 16-AUG-19 18:35:00 to 16-AUG-19 21:15:00 (EST-5)
Location: WAKEFIELD
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Employee

Fleetwood Street was closed near the Virginia Diner and Route 460 due to high water.
The Desert Ride Fire about 12 miles west of Rexburg began August 11th and was human caused. West winds of 15 to 20 mph caused the grass and brush fire to grow to 7,500 acres in the Menan Butte area and was caused by a man shooting a 22 caliber rifle at a firework on the ground causing it to ignite. The fire was contained on August 13th.

Wildfire in UPPER SNAKE RIVER PLAIN, IDAHO
From 11-AUG-19 16:30:00 to 15-AUG-19 10:00:00 (MST-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Park/Forest Service

The Desert Ride Fire about 12 miles west of Rexburg began August 11th and was human caused. West winds of 15 to 20 mph caused the grass and brush fire to grow to 7,500 acres in the Menan Butte area and was caused by a man shooting a 22 caliber rifle at a firework on the ground causing it to ignite. The fire was contained on August 13th.
It was the coldest October on record in southeast Idaho.   Here is the list of locations having the coldest October.
American Falls
Ashton
Craters of the Moon
Dubois
Fort Hall
Hamer
Howe
Ketchum
McCammon
Tetonia
Burley
Idaho Falls
Pocatello
Stanley
Challis
Aberdeen
Blackfoot
Chilly Barton Flat
Downey
Grace
Island Park
Lifton
Mackay
Malad City
Minidoka.

Extreme Cold/Wind Chill in LOWER SNAKE RIVER PLAIN, IDAHO
From 01-OCT-19 00:00:00 to 31-OCT-19 00:00:00 (MST-7)
Reported by: ASOS

Although the entire Pocatello forecast area experienced the all time coldest October on record will focus on the Lower Snake River Plain for a single event report.   Here are some of the highlights in the data recorded by the Pocatello ASOS located at the Pocatello Regional Airport:
The monthly average temperatures of 38.4 degrees was 4.1 degrees colder than the previous monthly low average of 42.5 degrees set in 2002.
10 record low temperatures were set during the month on the 3rd, 10th, 11th, 12th, 24th, 27th, 28th, 29th, 30th, and 31st.
The -6 degrees on October 30th was the first ever below zero temperature recorded in October in Pocatello and 13 degrees colder than the previous coldest October temperature recorded of 7 above.
An intense area of low pressure approached the region through the day on Monday, October 21st, producing increasingly strong east to northeast winds. The winds increased through the day, and were especially strong coming off Lake Superior into the western South Shore area. Peak wind speeds topped 70 MPH at some of the bridges and waves caused damage along many of the lake shore areas.

Lakeshore Flood in BAYFIELD, WISCONSIN
From 21-OCT-19 13:00:00 to 21-OCT-19 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Post Office

Water from Lake Superior was being upstream be the strong winds on the Flagg River in Port Wing and was overtopping the Washington Avenue bridge.

Lakeshore Flood in ASHLAND, WISCONSIN
From 21-OCT-19 14:00:00 to 21-OCT-19 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Water from Lake Superior was being blown onto US Highway 2 on the west side of Ashland and leading to areas of minor flooding on the road.
A developing coastal low moved up the Northeast coast from Long Island, New York across Cape Cod, Massachusetts and into the Gulf of Maine on October 28th.  This allowed for northeasterly winds up to 25 kts to generate nearshore waves of 6 to 8 feet and a storm surge of 1 to 1.5 feet.  This modest storm coincided with a period of high astronomical tides, with the King Tide being the primary reason for the coastal flood event.

Coastal Flood in COASTAL ROCKINGHAM, NEW HAMPSHIRE
From 28-OCT-19 10:15:00 to 28-OCT-19 12:15:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A King Tide event coincided with a weak area of low pressure which brought a foot of storm surge to coastal New Hampshire on October 28th.   The Hampton Tide Gauge recorded a storm tide of 11.91 feet, which was close to a foot above flood stage.  Tidal flooding was reported in Hampton with 1 foot of inundation reported in the area of Johnson Ave.  Numerous homes were surrounded by water.
Thunderstorms produce an isolated severe wind gust at the Burlington airport.

Thunderstorm Wind in KIT CARSON, COLORADO
From 16-AUG-19 20:43:00 to 16-AUG-19 20:43:00 (MST-7)
Location: BURLINGTON
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS
A surface low tracked through west central Minnesota during the afternoon of August 13th. Thunderstorms rotated around the low, and one produced a weak tornado near Henning.

Tornado in OTTER TAIL, MINNESOTA
From 13-AUG-19 13:25:00 to 13-AUG-19 13:25:00 (CST-6)
Location: HENNING ARPT
Tornado F-scale: EF0
Property damage: 0.00K
Crop damage: 10.00K
Reported by: Law Enforcement

A tornado touched down near the Henning airport and tracked southeast for roughly a quarter of a mile across a cut hay field. The tornado threw hay onto power lines and across a portion of county road 134. Peak winds were estimated at 70 mph.
Deep moisture and easterly flow allowed for scattered thunderstorms to develop mainly along sea breeze boundaries. A few of these storms caused gusty winds along the coast.

Marine Thunderstorm Wind in CHARLOTTE HARBOR AND PINE ISLAND SOUND, GULF OF MEXICO
From 01-AUG-19 15:05:00 to 01-AUG-19 15:05:00 (EST-5)
Location: BOCA GRANDE
Magnitude: 34.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

The WeatherFlow station at Boca Grande (XBCG) recorded a 34 knot marine wind gust.

Marine Thunderstorm Wind in TAMPA BAY, GULF OF MEXICO
From 01-AUG-19 15:21:00 to 01-AUG-19 15:21:00 (EST-5)
Location: MIDDLE TAMPA BAY
Magnitude: 39.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The ASOS at Albert Whitted Airport in St. Petersburg (KSPG) recorded a 39 knot thunderstorm wind gust.
Scattered thunderstorms developed over far northwestern Texas on the afternoon of the 29th. One of these storms became severe as it moved southward into Stonewall County producing quarter size hail.

Hail in STONEWALL, TEXAS
From 29-AUG-19 18:50:00 to 29-AUG-19 18:50:00 (CST-6)
Location: SWENSON
Magnitude: 1.00 
Reported by: Law Enforcement

The Sheriff's Office in Stonewall County reported quarter size hail along US Highway 83 north of Aspermont.
Scattered thunderstorms developed over the Rolling Plains on the afternoon of the 22nd. One of these storms became severe as it moved over Northfield (Motley County) producing a severe wind gust to 66 mph.

Thunderstorm Wind in MOTLEY, TEXAS
From 22-AUG-19 17:25:00 to 22-AUG-19 17:25:00 (CST-6)
Location: NORTHFIELD
Magnitude: 57.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A Texas Tech University West Texas mesonet site near Northfield measured a wind gust to 66 mph.
High atmospheric moisture (PWAT > 2 inches) combined with several weak low level boundaries under fairly warm mid level temperatures and near parallel upper level flow promoted locally heavy rainfall in sea breeze and airmass storms.

Heavy Rain in MARION, FLORIDA
From 02-AUG-19 12:05:00 to 02-AUG-19 12:25:00 (EST-5)
Location: DALLAS
Property damage: 0.00K
Crop damage: 0.00K
Reported by: CoCoRaHS

An observer measured 0.80 inches of rainfall in 20 minutes.

Heavy Rain in DUVAL, FLORIDA
From 02-AUG-19 12:28:00 to 02-AUG-19 14:28:00 (EST-5)
Location: CENTER PARK
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Storm total rainfall was 2.41 inches.
Excessive Heat Warning criteria were reached in Death Valley National Park, the deserts of southern San Bernardino County, and the Colorado River Valley.

Excessive Heat in DEATH VALLEY NATIONAL PARK, CALIFORNIA
From 20-AUG-19 11:00:00 to 21-AUG-19 21:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Excessive Heat Warning criteria were reached in Death Valley National Park.

Excessive Heat in MORONGO BASIN, CALIFORNIA
From 20-AUG-19 11:00:00 to 21-AUG-19 21:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Excessive Heat Warning criteria were reached in the Morongo Basin.

Excessive Heat in CADIZ BASIN, CALIFORNIA
From 20-AUG-19 11:00:00 to 21-AUG-19 21:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Excessive Heat Warning criteria were reached in the Cadiz Basin.

Excessive Heat in SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY, CALIFORNIA
From 20-AUG-19 11:00:00 to 21-AUG-19 21:00:00 (PST-8)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Excessive Heat Warning criteria were reached in the Colorado River Valley.
Numerous afternoon storms that developed along the sea breeze pushed across the Volusia County coast and a few of the storms produced strong wind gusts.

Marine Thunderstorm Wind in FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20NM, ATLANTIC SOUTH
From 15-AUG-19 15:00:00 to 15-AUG-19 15:00:00 (EST-5)
Location: PONCE INLET
Magnitude: 34.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The AWOS at the New Smyrna Beach Airport (KEVB) measured a peak wind gust of 34 knots.

Marine Thunderstorm Wind in FLAGLER BEACH TO VOLUSIA-BREVARD COUNTY LINE 0-20NM, ATLANTIC SOUTH
From 15-AUG-19 15:04:00 to 15-AUG-19 15:04:00 (EST-5)
Location: DAYTONA BEACH
Magnitude: 36.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

A mesonet along the barrier island in Daytona Beach measured a peak wind gust of 36 knots.
Numerous slow moving thunderstorms developed during the afternoon hours, producing several inches of rain and street flooding in eastern Orange County.

Heavy Rain in ORANGE, FLORIDA
From 14-AUG-19 13:00:00 to 14-AUG-19 15:00:00 (EST-5)
Location: (ORL)ORLANDO EXEC AR
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Orange County Fire Rescue reported that several motorists were stranded in several feet of standing water at Ensenada Drive and El Prado Avenue. Additionally, at the intersection of State Road 50 and Maguire Boulevard near Orlando Executive Airport several stalled vehicles with 1 to 2 feet of water covering the roadway was reported. Trained spotters nearby reported 3.50 to 4.00 inches of rain had fallen, and 3.89 inches of rain was measured at the Orlando Executive Airport between 1300 to 1500 LST.
Storms that persisted through much of the day produced isolated flooding in Kansas from Fort Scott to Salem. Flash flooding was reported in Fort Scott, where over three inches of rain fell during the early morning.

Flash Flood in BOURBON, KANSAS
From 16-AUG-19 04:30:00 to 16-AUG-19 10:00:00 (CST-6)
Location: FT SCOTT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Flooding was reported from heavy rainfall in several locations across Fort Scott.
Snow melt runoff caused the Maple River near Frederick to go above the flood stage of 10 feet in the early morning of April 2nd. The river quickly rose to the major flood stage of 14.3 feet late in the evening of the 2nd before falling slowly to below flood stage during the afternoon of the 10th.

Flood in BROWN, SOUTH DAKOTA
From 02-APR-19 01:00:00 to 10-APR-19 15:30:00 (CST-6)
Location: WINSHIP
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage
Snowmelt runoff brought Willow and Mud Creek above flood stage for a short period of time from the 18th to the 19th of April. Both locations rose only half a foot above flood stage.

Flood in CODINGTON, SOUTH DAKOTA
From 18-APR-19 13:45:00 to 19-APR-19 08:30:00 (CST-6)
Location: RAUVILLE
Flood cause: Heavy Rain / Snow Melt
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage
A lone thunderstorm developed along the Mississippi River during the early evening of August 3rd. A funnel cloud formed with the storm and was sighted by several people at a local business west of Centerville (Trempealeau County).

Funnel Cloud in TREMPEALEAU, WISCONSIN
From 03-AUG-19 18:40:00 to 03-AUG-19 18:40:00 (CST-6)
Location: CENTERVILLE
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A funnel cloud was sighted west of Centerville from a storm that had formed along the Mississippi River.
A line of strong to severe thunderstorms impacted much of eastern Iowa, northwest Illinois, and northeast Missouri during the early morning of August 20. This line of storms produced wind gusts to 70 MPH and several reports of wind damage. Several trees and power lines were taken down in Mediapolis, Monmouth and Roseville.

Thunderstorm Wind in WARREN, ILLINOIS
From 20-AUG-19 07:20:00 to 20-AUG-19 07:20:00 (CST-6)
Location: MONMOUTH
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Law enforcement reported both trees and power lines down in Monmouth and just north of the city.

Thunderstorm Wind in WARREN, ILLINOIS
From 20-AUG-19 07:25:00 to 20-AUG-19 07:25:00 (CST-6)
Location: ROSEVILLE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Several 8 inch diameter tree branches were blown down.

Thunderstorm Wind in ROCK ISLAND, ILLINOIS
From 20-AUG-19 07:48:00 to 20-AUG-19 07:48:00 (CST-6)
Location: MOLINE
Magnitude: 56.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

A large tree limb was reported blown down at 12th Street and 25th Avenue in Moline.
Slow moving thunderstorms produced flash flooding across parts of Dickinson county overnight.

Flash Flood in DICKINSON, KANSAS
From 25-AUG-19 03:40:00 to 25-AUG-19 04:40:00 (CST-6)
Location: HERINGTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Report of street flooding in Herington,  with some roads closed. Unknown amount of  water on roadways. Also reports of flooding  along highway 4 near Herington.
The combination of strong heating and deep moisture between low pressure inland and high pressure offshore led to thunderstorms across Georgia coastal waters.

Marine Thunderstorm Wind in SAVANNAH GA TO ALTAMAHA SD GA OUT 20NM, ATLANTIC SOUTH
From 07-AUG-19 18:25:00 to 07-AUG-19 18:26:00 (EST-5)
Location: TYBEE ISLAND
Magnitude: 46.00 MG
Reported by: Mesonet

The Weatherflow sensor at North Tybee Island recorded a peak wind gust of 46 knots.

Marine Thunderstorm Wind in SAVANNAH GA TO ALTAMAHA SD GA OUT 20NM, ATLANTIC SOUTH
From 07-AUG-19 19:08:00 to 07-AUG-19 19:09:00 (EST-5)
Location: TYBEE ISLAND
Magnitude: 42.00 MG
Reported by: Mesonet

The Weatherflow sensor at South Tybee Island recorded a peak wind gust of 42 knots.
The combination of strong heating and deep moisture between low pressure inland and high pressure offshore led to severe thunderstorms across Southeast South Carolina.

Thunderstorm Wind in CHARLESTON, SOUTH CAROLINA
From 08-AUG-19 15:43:00 to 08-AUG-19 15:44:00 (EST-5)
Location: ISLE OF PALMS ARPT
Magnitude: 50.00 EG
Reported by: 911 Call Center

The Charleston County 911 Call Center reported a tree down on Twin Oaks Lane.

Thunderstorm Wind in CHARLESTON, SOUTH CAROLINA
From 08-AUG-19 16:30:00 to 08-AUG-19 16:31:00 (EST-5)
Location: ISLE OF PALMS
Magnitude: 50.00 EG
Reported by: 911 Call Center

The Charleston County 911 Call Center reported a tree down at the intersection of 4th Avenue and Merritt Boulevard.

Hail in CHARLESTON, SOUTH CAROLINA
From 08-AUG-19 15:50:00 to 08-AUG-19 15:51:00 (EST-5)
Location: ISLE OF PALMS ARPT
Magnitude: 1.00 
Reported by: Broadcast Media

Broadcast media relayed a report of quarter size hail on Isle of Palms.

Hail in CHARLESTON, SOUTH CAROLINA
From 08-AUG-19 16:34:00 to 08-AUG-19 16:35:00 (EST-5)
Location: ISLE OF PALMS ARPT
Magnitude: 1.50 
Reported by: Broadcast Media

Broadcast media shared a picture on social media of hail as large as a ping pong ball.

Thunderstorm Wind in CHARLESTON, SOUTH CAROLINA
From 08-AUG-19 16:30:00 to 08-AUG-19 16:31:00 (EST-5)
Location: SNOWDEN
Magnitude: 50.00 EG
Reported by: Broadcast Media

Broadcast media relayed a report via social media of a tree down on Red Tide Road.

Thunderstorm Wind in CHARLESTON, SOUTH CAROLINA
From 08-AUG-19 16:32:00 to 08-AUG-19 16:33:00 (EST-5)
Location: ISLE OF PALMS ARPT
Magnitude: 50.00 EG
Reported by: Law Enforcement

The Isle of Palms Police Department reported a tree down on the corner of 25th Avenue and Cameron Boulevard.
A stationary boundary draped across the area along with an inland moving seabreeze  triggered numerous thunderstorms with frequent lightning during peak heating hours.

Lightning in CHARLESTON, SOUTH CAROLINA
From 11-AUG-19 15:25:00 to 11-AUG-19 15:25:00 (EST-5)
Location: PHILIP
Property damage: 10.00K
Crop damage: 0.00K
Reported by: 911 Call Center

The Charleston County 911 Call Center reported a structure fire due to lightning along the 1900 Block of Hubbell Drive. Minimal damage was reported to the 3rd floor along with water damage.
An upper level ridge of high pressure amplified over the Southern Plains during August 7th, and expanded east into much of the Ark-La-Tex on the 8th. This ridge, which resulted in sinking air that compressed atop a dry ground, allowed afternoon temperatures to climb into the mid and upper 90s across McCurtain County Oklahoma. In addition, low level moisture pooled from Southeast Oklahoma and much of Southwest Arkansas near a weak stationary front, which did not allow for much mixing, resulting in heat indices ranging from 105-110 degrees each day.

Heat in MCCURTAIN, OKLAHOMA
From 07-AUG-19 10:00:00 to 08-AUG-19 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet
Surface high pressure was over the upper Mid-west while a cold front extended through  central Indiana to southwest through Missouri. In the mid and upper levels, northwest flow prevailed over southern Indiana and central Kentucky. Ahead of the cold front, a line of storms began with the heating of the day. This line traveled south as it intensified, becoming a Mesoscale Convective System (MCS) which produced large severe hail in southern Indiana and hail and damaging winds in central Kentucky.

Hail in CLARK, INDIANA
From 06-AUG-19 15:31:00 to 06-AUG-19 15:31:00 (EST-5)
Location: OTTO
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Broadcast Media

The media relayed a report of one inch hail.
A thunderstorm briefly became severe over eastern Custer State Park, producing hail to ping pong ball size.

Hail in CUSTER, SOUTH DAKOTA
From 10-AUG-19 14:20:00 to 10-AUG-19 14:20:00 (MST-7)
Location: FAIRBURN
Magnitude: 1.25 
Crop damage: 0.00K
Reported by: Park/Forest Service
A thunderstorm briefly became severe over southern Perkins County, producing locally large hail in the Usta area.

Hail in PERKINS, SOUTH DAKOTA
From 10-AUG-19 14:30:00 to 10-AUG-19 14:30:00 (MST-7)
Location: USTA
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in PERKINS, SOUTH DAKOTA
From 10-AUG-19 14:30:00 to 10-AUG-19 14:30:00 (MST-7)
Location: USTA
Magnitude: 1.00 
Crop damage: 0.00K
Reported by: Public