Every tornado, hurricane, flood, blizzard, heat wave, record, earthquake, eruption, tsunami, wildfire and geomagnetic storm on record for August 25, in any year, each linked to its full record.
Every event with a place, colored by kind. Tap one to open its record.
By deaths, damage and strength together, across every archive.
Billion-dollar disasters
A tropical cyclone disaster that cost $201 billion in 2024 dollars and killed 1,833, on NOAA’s billion-dollar list. It lasted from August 25, 2005 to August 30, 2005.
Hurricanes and tropical storms
Hurricane Katrina crossed the coast near Golden Beach, FL as a category 1 hurricane, 70 kt (80 mph), central pressure 984 mb. It killed 520 people in all, by the National Hurricane Center’s count. Hurricane Katrina was an extremely powerful and catastrophic tropical cyclone that affected the Southeastern United States in late August 2005, particularly in and around the city of New Orleans. Katrina became the United States' costliest tropical cyclone, with an estimated $125 billion in damages.
From Wikipedia, CC BY-SA 4.0.
Earthquakes
A magnitude 7.4 earthquake struck Sichuan Province, China. It killed 9,300 people and did extreme (about $25 million or more) damage.
Billion-dollar disasters
A tropical cyclone disaster that cost $160 billion in 2024 dollars and killed 89, on NOAA’s billion-dollar list. It lasted from August 25, 2017 to August 31, 2017.
Volcanoes
Vesuvius, Italy erupted with a Volcanic Explosivity Index of 5. It killed 2,100 people. The eruption caused a tsunami and was accompanied by an earthquake.
Tornadoes
Harvey made landfall as a category 4 hurricane near Rockport, Texas during the evening of August 25th.
Hurricanes and tropical storms
Hurricane Laura crossed the coast near Consolación del Sur, Pinar del Rio, Cuba as a tropical storm, 55 kt, central pressure 998 mb. It killed 47 people in all, by the National Hurricane Center’s count. S. state of Louisiana, as measured by maximum sustained winds.
From Wikipedia, CC BY-SA 4.0.
Earthquakes
A magnitude 6.4 earthquake struck Almeria, Dalias, Roquetas, Spain. It killed 173 people, injured 200, destroyed 2,500 houses and did severe (about $5 to $25 million) damage.
Earthquakes
A magnitude 6.5 earthquake struck Shaanxi Province, China. It killed 150 people.
Hurricanes and tropical storms
Hurricane Irene crossed the coast as a category 2 hurricane, 95 kt (110 mph), central pressure 952 mb. It killed 56 people in all. Hurricane Irene was a large and destructive tropical cyclone which affected much of the Caribbean and East Coast of the United States during late August 2011. The ninth named storm, first hurricane, and first major hurricane of the 2011 Atlantic hurricane season, Irene originated from a well-defined Atlantic tropical wave that began showing signs of organization east of the Lesser Antilles.
From Wikipedia, CC BY-SA 4.0.
Earthquakes
A magnitude 5.6 earthquake struck Naso, Italy. It killed 103 people and destroyed 200 houses. It caused a tsunami.
Tsunamis
A tsunami caused by a magnitude 5.6 earthquake struck Messina, Italy. It killed 103 people and destroyed 200 houses.
31 on August 25, oldest first.
An F2 tornado touched down in Sheridan County, North Dakota, killing 1 and injuring 3. From Grazulis's record of significant tornadoes: SE Anamoose, ND.
An F2 tornado touched down in Traverse County, Minnesota and tracked 5.8 miles, killing 1. From Grazulis's record of significant tornadoes: W Wheaton, MN.
An F3 tornado touched down in Marion, Morris counties, Kansas and tracked 16.4 miles, 100 yards wide at its widest, injuring 6. From Grazulis's record of significant tornadoes: W Lincolnville/S Burdick to Diamond Springs, KS.
An F2 tornado touched down in Chester, New Castle, Salem counties, Pennsylvania and tracked 28.3 miles, 300 yards wide at its widest, killing 1 and injuring 33. From Grazulis's record of significant tornadoes: N Lewisville, MD/Kemblesville, PA/Wilmington, DE/Swedesboro, NJ.
An F3 tornado touched down in Des Moines County, Iowa and tracked 3 miles, 100 yards wide at its widest, injuring 1.
An F3 tornado touched down in Grafton County, New Hampshire and tracked 5.7 miles, 17 yards wide at its widest.
An F3 tornado touched down in Saint John the Baptist Parish, Louisiana and tracked 9 miles, 150 yards wide at its widest, killing 2 and injuring 32.
WATER UP TO THE BOTTOM OF CAR DOORS ON STREETS.
THE DOORS WERE BLOWN OFF A SQUAD CAR. NUMEROUS TREES AND POWER LINES WERE DOWN ACROSS TOWN AND ESPECIALLY ACROSS THE EASTERN THIRD OF THE COUNTY. ONE TREE FELL ONTO A HOME ALONG AUTEN ROAD WHICH CAUSED MODERATE STRUCTURAL DAMAGE TO THE HOME.
Numerous trees knocked down.
A weak tornado touched down about four miles west of Marion and remained on the ground for a short time. A garage and two barns were destroyed and a large shed was badly damaged.
A tornado touched down in Merrillville just east of the intersection of Merrillville Road and 84th Street. There was spotty minor structural damage in an industrial park with some small trees broken or pushed over, damage to signs and a few broken windows.
An emergency manager in Nashville reported that five trees were blow down there.
A severe thunderstorm destroyed a large hay shed and damaged another. Several limbs were downed, along with a window blown out of a farmhouse. The damage was fairly isolated. Information courtesy of the Arkansas City Traveler.
The remnants of Tropical Depression Fay stalled over southern Mississippi on the 25th, and produced severe thunderstorms which spawned a few tornadoes and damaging winds in southeast Alabama.
Harvey made landfall as a category 4 hurricane near Rockport, Texas during the evening of August 25th.
23 on August 25, oldest first.
An unnamed storm crossed the coast as a category 2 hurricane, 90 kt (105 mph).
An unnamed storm crossed the coast as a category 2 hurricane, 90 kt (105 mph), central pressure 970 mb.
An unnamed storm crossed the coast as a tropical storm, 40 kt.
An unnamed storm crossed the coast near Dulac, LA as a category 3 hurricane, 100 kt (115 mph), central pressure 955 mb. The 1926 Louisiana hurricane caused widespread devastation to the United States Gulf Coast, particularly in Louisiana. The third tropical cyclone and hurricane of the 1926 Atlantic hurricane season, it formed from a broad area of low pressure in the central Caribbean Sea on August 20.
From Wikipedia, CC BY-SA 4.0.
Hurricane Thelma reached its peak of 115 kt (130 mph) with a central pressure of 950 mb, a category 4 storm.
Hurricane Cleo crossed the coast near Pilón, Granma Province, Cuba as a category 1 hurricane, 70 kt (80 mph). Hurricane Cleo was the strongest tropical cyclone of the 1964 Atlantic hurricane season. It was the third named storm, first hurricane, and first major hurricane of the season.
From Wikipedia, CC BY-SA 4.0.
Hurricane Barry crossed the coast near Grant-Valkaria, FL as a depression, 30 kt, central pressure 1013 mb. Hurricane Barry was a moderate tropical cyclone that caused minor damage in Florida, Texas, and Mexico in late August 1983. Barry was the fourth tropical depression, second named storm and second hurricane of the inactive 1983 Atlantic hurricane season.
From Wikipedia, CC BY-SA 4.0.
Hurricane Javier reached its peak of 115 kt (130 mph), a category 4 storm.
Hurricane Hilary crossed the coast near Ciudad Constitución, Baja California Sur, Mexico as a tropical storm, 50 kt, central pressure 993 mb. The 1993 Pacific hurricane season included more than double the average number of major hurricanes – Category 3 or stronger cyclones on the Saffir–Simpson scale. This activity was the result of an El Niño event, which is the main factor contributing to above-average activity across the Pacific basin.
From Wikipedia, CC BY-SA 4.0.
Hurricane Orson reached its peak of 115 kt (130 mph) with a central pressure of 960 mb, a category 4 storm.
Hurricane Edouard reached its peak of 125 kt (145 mph) with a central pressure of 933 mb, a category 4 storm.
Hurricane Ignacio crossed the coast near La Paz, Baja California Sur, Mexico as a category 1 hurricane, 70 kt (80 mph), central pressure 985 mb. Hurricane Ignacio was the latest-forming first hurricane of a Pacific hurricane season since reliable satellite observation began in 1966. The ninth tropical storm of the 2003 Pacific hurricane season, Ignacio developed out of a tropical wave on August 22 a short distance off the coast of Mexico.
From Wikipedia, CC BY-SA 4.0.
Hurricane Katrina crossed the coast near Golden Beach, FL as a category 1 hurricane, 70 kt (80 mph), central pressure 984 mb. It killed 520 people in all, by the National Hurricane Center’s count. Hurricane Katrina was an extremely powerful and catastrophic tropical cyclone that affected the Southeastern United States in late August 2005, particularly in and around the city of New Orleans. Katrina became the United States' costliest tropical cyclone, with an estimated $125 billion in damages.
From Wikipedia, CC BY-SA 4.0.
A tropical wave that moved across the Atlantic from near the west coast of Africa eventually spawned the tropical cyclone that became hurricane Katrina. The tropical wave became a tropical depression near the central Bahamas late on August 22.
Hurricane Ioke reached its peak of 140 kt (160 mph) with a central pressure of 920 mb, a category 5 storm.
Hurricane Irene crossed the coast as a category 2 hurricane, 95 kt (110 mph), central pressure 952 mb. It killed 56 people in all. Hurricane Irene was a large and destructive tropical cyclone which affected much of the Caribbean and East Coast of the United States during late August 2011. The ninth named storm, first hurricane, and first major hurricane of the 2011 Atlantic hurricane season, Irene originated from a well-defined Atlantic tropical wave that began showing signs of organization east of the Lesser Antilles.
From Wikipedia, CC BY-SA 4.0.
Tropical Storm Isaac moved from near western Haiti and the eastern tip of Cuba late on August 24, 2012, through the Florida Straits, and into the southeast Gulf of Mexico through August 27.
Hurricane Isaac crossed the coast near Grangwav, Ouest, Haiti as a tropical storm, 55 kt, central pressure 991 mb. S. state of Louisiana during August 2012.
From Wikipedia, CC BY-SA 4.0.
The 2013 Atlantic hurricane season was a well below average Atlantic hurricane season in terms of the number of hurricanes and ACE. It was the first since 1994 with no major hurricanes, Category 3 or higher on the Saffir–Simpson scale, and the first in the satellite era where no hurricanes reached Category 2 strength.
From Wikipedia, CC BY-SA 4.0.
Major Hurricane Harvey impacted the Middle Texas coast on August 25th and 26th. Harvey was the first category 4 hurricane to strike Texas since Hurricane Carla in 1961.
Hurricane Laura crossed the coast near Consolación del Sur, Pinar del Rio, Cuba as a tropical storm, 55 kt, central pressure 998 mb. It killed 47 people in all, by the National Hurricane Center’s count. S. state of Louisiana, as measured by maximum sustained winds.
From Wikipedia, CC BY-SA 4.0.
Hurricane Gilma reached its peak of 115 kt (130 mph) with a central pressure of 950 mb, a category 4 storm.
Cyclonic Storm Asna was a tropical cyclone that affected the states of Gujarat, Rajasthan and Madhya Pradesh in India, as well as southern Pakistan from 25 August to 2 September 2024. It formed as deep depression over land, intensified in the cyclone and moved into Arabian Sea.
From Wikipedia, CC BY-SA 4.0.
23 on August 25, oldest first.
Heavy thunderstorm rain caused widespread flooding. The towns of Willard, Greenwich and New London in the southern portion of the county sustained the most damage with fifty to sixty homes flooded; some were total losses. Up to 1000 basements were flooded.
The Huron River at Milan exceeded its flood stage of 14 feet and crested at 23.4 feet at 0700 EST on 08/26/98. Flooding occurred in the lagoon communities from Milan to near Huron and small businesses near US Route 250. Basements and streets were also flooded.
Synoptic and mesoscale conditions for August 23-25th...Impressive surface based instability developed late the night of the 23th ahead of a weak surface trough axis from southern lake Michigan back into western Ilinois where mid 70 dewpoints had pooled.
There were several roads flooded, mainly in the souther portion of the county. A sink hole occurred on the Natchez Trace Parkway as a result of the flooding. One man was killed when he drove his vehicle into the sink hole.
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Quarter size hail reported at 20th and Charles Street.
Thunderstorms and very heavy rain resulted in flooded low spots and highway dips near Bouse. Centennial wash near Wenden was flooded and gauges recorded a flow of 6,000 cubic feet per second with a stage near 4 feet.
Another push of monsoon moisture brought severe thunderstorms and flash flooding to the Mojave Desert.
Another push of monsoon moisture brought severe thunderstorms and flash flooding to the Mojave Desert.
Monsoon moisture fueled several rounds of thunderstorms over the Mojave Desert, with the greatest coverage of storms on the 26th and 27th. Several storms produced severe weather and flash flooding.
Scattered thunderstorms associated with low pressure along the Mid Atlantic Coast produced heavy rain which caused flash flooding across portions of eastern and southeast Virginia.
A series of slow moving thunderstorms associated with a nearly stationary low pressure system in Eastern Virginia caused flash flooding in Sussex County that started overnight on the 25th and lasted into the 26th. Doppler Radar storm total estimates reached around 8.5 inches.
A band of moderate to heavy rain pivoted over central and northern portions of the North Carolina coastal plain during the early morning hours of the 25th as a low pressure center tracked north along the North Carolina Coast.
Thunderstorms developed across the northern portion of Maricopa county, to the north of the greater Phoenix area, during the evening hours on August 25th. One of the areas affected the most by the storms was the community of Wickenburg.
The 2020 Karachi floods were the worst flooding Karachi had seen in almost a century, and killed at least 41 people. The floods were caused by record monsoon rains from 24 to 27 August, which were inadequately drained by poorly maintained drainage systems in the city.
From Wikipedia, CC BY-SA 4.0.
The tail end of a cold front in accompaniment with an upper level disturbance crossed through West Virginia on the 25th and resulted in wind damage across the state.
An outflow boundary from overnight storms initiated a round of strong to severe thunderstorms north of Indianapolis before spreading through much of central and south central Indiana.
A woman was killed hiking the Fairyland Loop Trail because of flash flooding.
A low-pressure system moved out of the North Pacific Ocean into the Gulf of Alaska and quickly intensified into a 995 MB gale-force storm on the Sunday morning of August 25th, 2024.
A plume of monsoon moisture streamed northward over western and central NM, coupled with strong wind shear in the atmosphere. Strong to severe thunderstorms developed along and west of the Continental Divide in New Mexico on August 25th, tracking north to northeast.
The environment across southeast California on August 25th was primed for strong to severe thunderstorms with very moist and unstable conditions in place.
The environment across south-central and southwest Arizona on August 25th was primed for strong to severe thunderstorms with very moist and unstable conditions in place.
Showers and thunderstorms brought flash flooding to portions of southern Utah.
35 on August 25, oldest first.
A late evening thunderstorm produced a microburst west of Crescent, in Logan County, on this day in 1988. Debris from a barn was strewn one mile in all directions. An 8-foot-long, 4-inch-wide tree limb, was driven through the roof of one home. Other damage was limited mainly to fences blown down and damage to several mobile homes and outbuildings.
From the National Weather Service in Norman, Oklahoma.
A severe thunderstorm affected the city of Mayaguez in western Puerto Rico causing structural damages to several residences.
An intense thunderstorm gust known as a macroburst raked across central Guernsey County, wind gusts were estimated between 80 and 90 mph.
Severe thunderstorms moved south from west of Ord to north of Cairo during the evening. Before diminishing shortly after 8 pm, the storms had produced 60 to 100 mph winds and golf ball size hail. In Loup City, two grain bins sustained major damage at the local elevator.
The roof was blown off a barn.
Thunderstorm winds estimated at 60 miles an hour blew down large tree limbs.
A very hot and unstable airmass was over Iowa during the afternoon of the 25th into the early morning of the 26th. CAPE values were close to 4000 J/kg, though the airmass was quite capped with 700 mb temperatures around +12 C.
A strong low level jet pushed a warm front north through Iowa during the evening hours. Numerous thunderstorms developed along the front produced isolated to scattered high winds and hail in Eastern Iowa.
Wind driven nickel size hail damaged crops in southern Dawson county. There were drifts of hail south of Cozad.
Power lines were downed.
Thunderstorms developed across the region during the afternoon and evening in the vicinity of a nearly stationary frontal boundary. Several of the thunderstorms became severe...producing damaging winds and large hail.
A very warm, humid and unstable airmass was located across Vermont during the afternoon of the 25th, with temperatures in the upper 80s to lower 90s and dewpoints around 70 degrees.
A cold front encountered a very warm, humid and unstable airmass during the mid to late afternoon and early evening hours...igniting numerous strong to severe thunderstorms across Central Pennsylvania.
The approach of a cold front from the west, along with a warm, moist and unstable air mass in place, led to the development of scattered strong to severe thunderstorms across eastern New York and western New England during the afternoon and evening hours of Saturday, August 25th.
A light steering flow and unstable airmass fueled scattered severe storms across the forecast area along the sea breeze fronts and outflow boundaries. Lingering energy from a decaying MCV system across central Florida enhanced convection.
Thunderstorm winds over 70 mph damaged planes at Chandler Municipal Airport. Strong winds also blew down trees and damaged some homes in the Chandler area. Dense blowing dust was also reported.
Thunderstorms caused very strong winds, heavy rain and some damage in the City of Blythe and other nearby areas on the evening of August 25th.
An upper level disturbance crossing through the region worked with a surface cold front to produce thunderstorms across portions of North Central Kansas.
A bands of thunderstorms associated with a weakening squall line moved southeast from Lake Erie during the pre-dawn hours and produced isolated wind damage in the western Alleghenies. A tree toppled by the severe winds fell on a house in Somerset, killing a 10-year old female.
Several thunderstorms rolled through the area on Sunday August 25th. Some of which had: heavy rain, blowing dust, strong gusty winds and large hail. The largest hail reported was 1.75 inches and the highest estimated wind speed was about 75 MPH.
From the Emporia Gazette newspaper....An Emporia man died this morning from injuries resulting from a tree falling on top of him.
An upper level disturbance moved across eastern Iowa and northwest Illinois August 25, sparking some scattered showers and thunderstorms over areas north of Interstate 80.
An upper level disturbance moved across eastern Iowa and northwest Illinois August 25, sparking some scattered showers and thunderstorms over areas north of Interstate 80.
Isolated afternoon pulse thunderstorms produced large hail and gusty winds around the Missouri Ozarks.
An area of thunderstorms moved across parts of central Indiana on the late afternoon and early evening of August 25, bringing damaging winds and hail. Some areas saw baseball size hail while others saw winds of 100 mph.
Easterly flow allowed scattered to numerous thunderstorms to develop over the Florida Peninsula and push west into the eastern Gulf of Mexico during the afternoon and early evening. One of these storms caused damaging wind gusts.
A cold front moved into central North Dakota encountered strong instability resulting in multiple thunderstorms developing. Some of these storms became severe producing large hail, with one storm striking the city of Bismarck producing two inch diameter hail.
The latest shortwave in a series of such disturbances passed across the region during the afternoon of August 25th. The Storm Prediction Center painted the Upper Ohio Valley with a risk for scattered severe storms.
An outflow boundary from a decaying convective system triggered an isolated severe thunderstorm over northern Virginia around midday.
Afternoon storms produce strong wind gusts downing power lines and producing minor damage in Pinellas and Lee counties.
Aside from far eastern Kentucky (roughly US-23 and eastward) where showers and storms lingered through much of the morning, the combination of dew points in the mid 70s to lower 80s and temperatures climbing well into the 80s and lower 90s led to an oppressively muggy and highly…
Scattered instances of strong to marginally severe thunderstorms occurred along the Nebraska-Kansas state line during the afternoon and evening hours of August 25th.
16 on August 25, oldest first.
High temperatures reached the lower to middle 90s on August 25th and 26th with heat indices in the middle to upper 90s. One person died of a heat stroke in Skokie and another person died of heat stress in Chicago.
64 year old female fatality due to hyperthermia at home in northwest Houston (electricity shut off).
A hot and humid air mass developed over the Mid Atlantic ahead of a strong cold front on August 25th. Temperatures climbed into the mid 90s by noon. These temperatures combined with high humidity created heat index values around 105.
A large ridge of high pressure built across the central part of the United States during the last week of August.
A large upper-level ridge of high pressure built into the Midwest from August 22nd through August 26th, causing afternoon high temperatures to soar into the 90s. The hot temperatures combined with high relative humidity to produce heat index values in excess of 100 degrees.
Ridge of high pressure and offshore winds brought temperatures along the North Oregon Coast up into the mid 80s to mid 90s on August 25. Inland, temperatures on August 25-26 reached the upper 90s.
Upper level high pressure prevailed across the region. The combination of high heat and humidity produced dangerous heat index values in the Memphis area.
High pressure over the Desert Southwest led to above normal temperatures and excessive heat warning conditions across the region. The deadly heat led to 6 fatalities (4 direct and 2 indirect) according to the Maricopa County Department of Public Health.
Rainfall of 25 to 50 percent of normal during July and August with above normal temperatures led to the development of severe short-term drought conditions over much of northwest Iowa.
Precipitation of 25 to 50 percent of normal along with above normal temperatures led to expansion of drought conditions across southeast South Dakota.
A strong subtropical ridge over the Southern Plains expanded westward into the Desert Southwest near the end of August, leading to excessive heat conditions across the region.
Very hot temperatures were experienced in the lower elevations of southeast Arizona August 25 through 27, with high temperatures equaling or exceeding established records in a few locations, and approaching record levels in most others.
A strong upper level ridge of high pressure over the Great Plains retrograded westward to the western United States, leading to excessive heat conditions across the region.
High pressure aloft strengthened over Arizona and created a period of very hot temperatures August 25-30 across southeast Arizona.
Temperatures in Southeastern Arizona were 6 to 10 degrees below normal with Low HeatRisk. The Pima County Medical Examiner found that heat was a factor in the cause of death for 3 individuals. Heat was the primary factor for two people and one was heat contributed.
47 on August 25, oldest first.
The Hawk Creek Fire started on August 25, 1984, in Montana, and burned 157,824 acres.
The Teepee Butte Fire started on August 25, 1988, in Oregon, and burned 59,518 acres.
The White Mountain Fire started on August 25, 1988, in Washington, and burned 21,845 acres.
The Dry Fork Fire started on August 25, 1988, in Montana, and burned 11,407 acres.
The Combination Fire started on August 25, 1988, in Montana, and burned 8,587 acres.
The Troy Fire started on August 25, 1988, in Oregon, and burned 8,334 acres.
The S.17MILE1 Fire started on August 25, 1988, in Washington, and burned 8,084 acres.
The Eblack Mtn Fire was discovered on August 25, 1996, in Wyoming, and burned 48,844 acres; the cause was recorded as natural.
The Bates Fire was discovered on August 25, 1996, in Wyoming, and burned 38,858 acres; the cause was recorded as natural.
The Shepard Mtn Fire was discovered on August 25, 1996, in Montana, and burned 14,890 acres; the cause was recorded as natural.
The Willow Fire was discovered on August 25, 1996, in Wyoming, and burned 4,793 acres; the cause was recorded as natural.
The Nbrokenbac Fire was discovered on August 25, 1996, in Wyoming, and burned 3,741 acres; the cause was recorded as natural.
The Norton Creek Fire was discovered on August 25, 1999, in Idaho, and burned 7,878 acres; the cause was recorded as natural.
The Star Fire was discovered on August 25, 2001, in California, and burned 16,761 acres; the cause was recorded as human.
The Unnamed Fire started on August 25, 2001, in Colorado, and burned 3,758 acres.
The Annie Fire was discovered on August 25, 2003, in Santa Clara County, California, and burned 30,170 acres; the cause was recorded as natural.
The Unnamed Fire was discovered on August 25, 2003, in Prowers County, Colorado, and burned 4,000 acres.
The Andrew Fire was a wildfire that burned in Pleasant Valley, Washoe County, Nevada. The fire ignited on August 25, 2004 from sparks flying off rocks during target shooting and spread to 2,744 acres (1,110 ha).
From Wikipedia, CC BY-SA 4.0.
The Unnamed Fire started on August 25, 2005, in California, and burned 39,062 acres.
A strong cold front swept through Eastern Oregon and Southwest Idaho August 25th bringing damaging winds and a wildfire in Southeast Boise that raced out of control destroying nearly a dozen homes including one fatality.
The Kathryn Fire was discovered on August 25, 2008, in Phillips County, Montana, and burned 5,000 acres; the cause was recorded as equipment and vehicle use.
Gusty northeast winds and low relative humidities aided the spread of two large wildfires near Lake Sam Rayburn Dam. One fire occurred in the Audobon Hills neighborhood, while the other affected areas near and southwest of the Piney Point Shopping Center.
Thunderstorm winds produced an area of blowing dust across southern Pinal County that resulted in a deadly traffic accident.
The T17 Fire was discovered on August 25, 2011, in Idaho, and burned 50,176 acres.
The Salt Fire was discovered on August 25, 2011, in Idaho, and burned 24,501 acres; the cause was recorded as natural.
The Thompson Fire was discovered on August 25, 2011, in Niobrara County, Wyoming, and burned 12,000 acres; the cause was recorded as natural.
The Dsl Complex was discovered on August 25, 2011, in Harney County, Oregon, and burned 6,534 acres; the cause was recorded as natural.
The Motor Fire was discovered on August 25, 2011, in California, and burned 5,230 acres; the cause was recorded as equipment and vehicle use.
The Cheyenne River Fire was discovered on August 25, 2011, in Niobrara County, Wyoming, and burned 5,000 acres; the cause was recorded as natural.
A stationary trough of low pressure along the Pacific Northwest Coastline resulted in moist, unstable, southwesterly flow over the Inland Northwest. A shortwave embedded within the flow, triggered thunderstorms during the afternoon hours of August 25, 2013.
The Strawberry Fire was a wildfire burning eight miles south of Swift Reservoir in the Flathead National Forest in the Bob Marshall Wilderness in Montana in the United States. The fire was started by lightning and was reported on August 25, 2017.
From Wikipedia, CC BY-SA 4.0.
The Strawberry Fire was reported on August 25, 2017, in Flathead County, Montana, and burned 18,019 acres; the cause was recorded as natural.
The Deer Park Fire was reported on August 25, 2017, in Jefferson County, Idaho, and burned 17,588 acres; the cause was recorded as human.
The Wapiti Fire was reported on August 25, 2018, in Boise County, Idaho, and burned 4,571 acres; the cause was recorded as human.
The Porphyry Fire was reported on August 25, 2020, in Idaho County, Idaho, and burned 14,486 acres; the cause was recorded as natural.
The Hidden Fire was reported on August 25, 2020, in Gila County, Arizona, and burned 6,106 acres; the cause was recorded as natural.
The Phinney Lake Fire was reported on August 25, 2020, in Duchesne County, Utah, and burned 4,469 acres; the cause was recorded as natural.
The Southern Bench Fire was reported on August 25, 2021, in Nye County, Nevada, and burned 21,000 acres; the cause was recorded as natural.
Lightning started the Alligator Wildfire in North Ferry County on August 25.
The Nebo Fire was reported on August 25, 2022, in Wallowa County, Oregon, and burned 12,609 acres; the cause was recorded as natural.
The Ursus Fire was reported on August 25, 2022, in Lewis and Clark County, Montana, and burned 4,224 acres; the cause was recorded as natural.
The Anvil Fire was reported on August 25, 2023, in Curry County, Oregon, and burned 22,170 acres.
The Wildcat Fire was reported on August 25, 2025, in Yakima County, Washington, and burned 15,592 acres; the cause was recorded as natural.
The Dillon Fire was reported on August 25, 2025, in Siskiyou County, California, and burned 11,929 acres; the cause was recorded as natural.
The McConnell Fire was reported on August 25, 2026, in Humboldt County, Nevada, and burned 33,762 acres; the cause was recorded as natural.
The Mustang Fire was reported on August 25, 2026, in Malheur County, Oregon, and burned 12,547 acres; the cause was recorded as natural.
The Blue Eagle Fire was reported on August 25, 2026, in Churchill County, Nevada, and burned 9,218 acres; the cause was recorded as natural.
25 on August 25, oldest first.
An earthquake struck Antakya (Antioch), Turkey.
A magnitude 6.5 earthquake struck Shaanxi Province, China. It killed 150 people.
An earthquake struck Vallo Di Diano, Italy.
An earthquake struck Mexico City,jalisco. It did severe (about $5 to $25 million) damage.
A magnitude 5.6 earthquake struck Naso, Italy. It killed 103 people and destroyed 200 houses. It caused a tsunami.
An earthquake struck Switzerland. It killed many people (about 101 to 1,000) and did severe (about $5 to $25 million) damage.
An earthquake struck Oaxaca,mexico City.
An earthquake struck Saint-Pierre, Martinique. It caused a tsunami.
A magnitude 6.4 earthquake struck Almeria, Dalias, Roquetas, Spain. It killed 173 people, injured 200, destroyed 2,500 houses and did severe (about $5 to $25 million) damage.
The 1804 Almería earthquake was a highly destructive seismic event in the Province of Almería, southern Spain. It occurred on 25 August at 8:25 pm local time.
From Wikipedia, CC BY-SA 4.0.
A magnitude 6.2 earthquake struck La Union, Honduras, El Salvador. It caused a tsunami.
An earthquake struck Gorontalo, Indonesia. It caused a tsunami.
An earthquake struck Aeghion (Achaia),agrinion (Aetolia), Greece. It killed few people (about 1 to 50) and did severe (about $5 to $25 million) damage.
A magnitude 6.5 earthquake struck Langano, Ethiopia.
A magnitude 7.5 earthquake struck Bolivia-Northern Chile.
A magnitude 5.1 earthquake struck Bordj Abou El Hasen, Dahra, Algeria.
A magnitude 7.4 earthquake struck Sichuan Province, China. It killed 9,300 people and did extreme (about $25 million or more) damage.
3 and a maximum Mercalli intensity of X (Extreme). With up to 9,300 killed, this was the deadliest earthquake in 1933.
From Wikipedia, CC BY-SA 4.0.
0 on the moment magnitude scale and had a maximum Mercalli Intensity of IX (Violent). Property damage and casualties occurred in several towns in the east and southeast of Salta, and also in northern Tucumán and Jujuy, affecting the capitals of both.
From Wikipedia, CC BY-SA 4.0.
A magnitude 6.9 earthquake struck Salta, Argentina.
A magnitude 4.6 earthquake struck Sichuan Province, China. It killed 1 person and injured 31.
A magnitude 5 earthquake struck Hadji Abad, Orzuiyeh, Iran. It injured 4.
A magnitude 6.7 earthquake struck Tibet (Xizang Province), China.
A magnitude 5.5 earthquake struck North Island, New Zealand.
A magnitude 6 earthquake struck Kermanshah, Iran. It killed 2 people, injured 267 and did severe (about $5 to $25 million) damage.
2 on August 25, oldest first.
Vesuvius, Italy erupted with a Volcanic Explosivity Index of 5. It killed 2,100 people. The eruption caused a tsunami and was accompanied by an earthquake.
Manam, Papua New Guinea erupted with a Volcanic Explosivity Index of 4. It destroyed 164 houses and did severe (about $5 to $25 million) damage.
5 on August 25, oldest first.
A tsunami caused by a magnitude 5.6 earthquake struck Messina, Italy. It killed 103 people and destroyed 200 houses.
A tsunami caused by a magnitude 6.2 earthquake struck El Salvador.
A tsunami with a source recorded as earthquake struck N. Moluccas Islands, Indonesia.
A tsunami with a source recorded as questionable earthquake struck New Zealand.
A tsunami with a source recorded as landslide struck Columbia River Valley, WA, United States, with a maximum water height of 3.6 meters. It injured 2 and did $250,000 in damage.
12 on August 25, oldest first.
A G1 (minor) geomagnetic storm began August 25, 1942, reached Kp 5 and lasted 3 hours, with a daily Ap as high as 19; at that Kp the aurora may be seen from about 60 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began August 25, 1947, reached Kp 5+ and lasted 3 hours, with a daily Ap as high as 28; at that Kp the aurora may be seen from about 58 degrees geomagnetic latitude.
A G2 (moderate) geomagnetic storm began August 25, 1951, reached Kp 6 and lasted 30 hours, with a daily Ap as high as 42; at that Kp the aurora may be seen from about 55 degrees geomagnetic latitude.
A G2 (moderate) geomagnetic storm began August 25, 1956, reached Kp 6+ and lasted 21 hours, with a daily Ap as high as 35; at that Kp the aurora may be seen from about 53 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began August 25, 1973, reached Kp 5 and lasted 3 hours, with a daily Ap as high as 29; at that Kp the aurora may be seen from about 60 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began August 25, 1977, reached Kp 5+ and lasted 6 hours, with a daily Ap as high as 27; at that Kp the aurora may be seen from about 58 degrees geomagnetic latitude.
A G2 (moderate) geomagnetic storm began August 25, 1983, reached Kp 6 and lasted 9 hours, with a daily Ap as high as 36; at that Kp the aurora may be seen from about 55 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began August 25, 1984, reached Kp 5 and lasted 3 hours, with a daily Ap as high as 18; at that Kp the aurora may be seen from about 60 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began August 25, 1985, reached Kp 5 and lasted 3 hours, with a daily Ap as high as 18; at that Kp the aurora may be seen from about 60 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began August 25, 1986, reached Kp 5 and lasted 3 hours, with a daily Ap as high as 17; at that Kp the aurora may be seen from about 60 degrees geomagnetic latitude.
A G2 (moderate) geomagnetic storm began August 25, 1987, reached Kp 6 and lasted 18 hours, with a daily Ap as high as 40; at that Kp the aurora may be seen from about 55 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began August 25, 2005, reached Kp 5 and lasted 3 hours, with a daily Ap as high as 22; at that Kp the aurora may be seen from about 60 degrees geomagnetic latitude.
2 on August 25, oldest first.
A tropical cyclone disaster that cost $201 billion in 2024 dollars and killed 1,833, on NOAA’s billion-dollar list. It lasted from August 25, 2005 to August 30, 2005.
A tropical cyclone disaster that cost $160 billion in 2024 dollars and killed 89, on NOAA’s billion-dollar list. It lasted from August 25, 2017 to August 31, 2017.
16 on August 25, oldest first.
A 37 year old man was fatally injured by a lightning strike. The man was standing behind a waste collection truck when lightning struck a nearby tree and the charge moved through the tree to the man standing near the truck.
A strong high pressure system built into New England on the 25th and 26th. The northeast to east flow around the high and a developing low pressure system well east of Cape Hatteras produced rough surf and rip currents along the Delaware shore.
Lightning struck a house and started a fire that destroyed the house.
Fire from a lightning strike destroyed a church in Deltona. Damage estimates were near $250,000.
A young man, 18, was wave watching with three friends at Oka Point in Tamuning, when someone dropped something into the water. The young man went down into the water to retrieve the dropped item and was overcome by waves.
A 10 year old girl died about five days after being struck by lightning while holding an umbrella at a bus stop. Two other children were injured.
House struck by lightning and totally destroyed by fire.
A lightning strike set a 14-unit building on fire at Twin Lakes Apartment Complex. The fire destroyed the roof and top floors of the building. Fortunately, no one was injured from the blaze. Information courtesy of the Wichita Eagle.
An area of low pressure moved across the eastern Great Lakes region during the morning of August 25th. A cold front associated with this low pressure system was located in the Ohio Valley.
A surfer who got caught in a rip current drowned in Virginia Beach.
An approaching cold front triggered a series of thunderstorms through the Eastern Shore during the daytime hours of the 25th.
Lightning strikes from bands of thunderstorms and their ensuing fires caused damage to several homes in Sussex County during the evening of the 25th to just past Midnight EDT.
A man visiting from California drowned near beach marker 228. He was last seen struggling between the second and third sandbar near the pier. The deceased was found the following morning.
A St George Island volunteer fire department first responder died while trying to save a father and son in distress from rip currents. Double red flags were flying.
A well-defined upper level disturbance moved west from the Bahamas to across South Florida on August 25th and 26th, helping to trigger several periods of strong thunderstorms over the Atlantic waters which spread west over the local waters, then over South Florida and the Gulf…
A multi-vehicle crash occurred along Highway 52 one mile east of Sawyer in Ward County in patchy dense fog. The crash involved four commercial vehicles and eight passenger vehicles. Four injuries were reported.
Gathered from this site’s archives: the tornado record (NOAA SPC, and Grazulis before 1950), IBTrACS and the National Hurricane Center, NOAA NCEI’s Storm Events Database, Regional Snowfall Index, billion-dollar disasters list, State Climate Extremes Committee and hazard databases, USGS, NIFC, GFZ Potsdam’s Kp index (CC BY 4.0), the National Weather Service in Norman, Oklahoma, and Wikidata (CC0), with article leads from Wikipedia under CC BY-SA 4.0, each credited where it appears. Rebuilt 2026-09-24.