Every tornado, hurricane, flood, blizzard, heat wave, record, earthquake, eruption, tsunami, wildfire and geomagnetic storm on record for July 27, 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.
Earthquakes
A magnitude 7.5 earthquake struck Tangshan, NE, China. It killed 242,769 people, injured 799,000 and did $5.6 billion in damage.
Hurricanes and tropical storms
The 1922 Shantou Typhoon was a devastating tropical cyclone that caused thousands of deaths in the Chinese city of Shantou in August 1922. This death toll makes it one of the deadliest known typhoons in history.
From Wikipedia, CC BY-SA 4.0.
Hurricanes and tropical storms
Hurricane Andy reached its peak of 120 kt (140 mph) with a central pressure of 945 mb, a category 4 storm.
Tornadoes
An F4 tornado touched down in Mills, Montgomery counties, Iowa and tracked 15.2 miles, 150 yards wide at its widest, killing 2 and injuring 5. From Grazulis's record of significant tornadoes: N Emerson, IA.
Earthquakes
A magnitude 7 earthquake struck Abra, Luzon, Philippines. It killed 11 people, injured 609, destroyed 856 houses and did $48.5 million in damage. It caused a tsunami.
Tsunamis
A tsunami caused by a magnitude 7 earthquake struck N. Luzon Island, Philippines, with a maximum water height of 0.08 meters. It killed 11 people, injured 609, destroyed 856 houses and did $48.5 million in damage.
Tornadoes
An F3 tornado touched down in Montgomery County, Pennsylvania and tracked 2 miles, 100 yards wide at its widest, killing 3 and injuring 25.
Floods
Between July 25th and July 30th, 2022, several complexes of training thunderstorms developed south of I-64 and brought heavy rain, deadly flash flooding, and devastating river flooding to eastern Kentucky and central Appalachia.
Hurricanes and tropical storms
Hurricane Genevieve reached its peak of 140 kt (160 mph) with a central pressure of 924 mb, a category 5 storm.
Heat and drought
Strong high pressure over the Desert Southwest near the end of the month led excessive heat warning conditions for parts of the region. The deadly heat resulted in 25 fatalities (20 direct and 5 indirect) according to the Maricopa County Department of Public Health.
Tornadoes
A rare (with respect to both time of day and intensity) tornado outbreak affected eastern Chester County the evening of the 27th. Tornadic thunderstorms affected portions of the Middle Atlantic States south of Pennsylvania earlier that evening.
Tornadoes
An F3 tornado touched down in Meeker, Wright counties, Minnesota and tracked 12.7 miles, 150 yards wide at its widest, killing 1 and injuring 40. From Grazulis's record of significant tornadoes: NE Kingston/Dassel to S Cokato/N Stockholm, MN.
49 on July 27, oldest first.
An unrated tornado touched down in Chesterfield, City of Richmond counties, Virginia and tracked 12.2 miles, 333 yards wide at its widest, killing 2 and injuring 3. From Grazulis's record of significant tornadoes: Manchester, VA.
An F4 tornado touched down in Mills, Montgomery counties, Iowa and tracked 15.2 miles, 150 yards wide at its widest, killing 2 and injuring 5. From Grazulis's record of significant tornadoes: N Emerson, IA.
An F3 tornado touched down in Meeker, Wright counties, Minnesota and tracked 12.7 miles, 150 yards wide at its widest, killing 1 and injuring 40. From Grazulis's record of significant tornadoes: NE Kingston/Dassel to S Cokato/N Stockholm, MN.
An F3 tornado touched down in Lincoln County, Nebraska and tracked 2.3 miles, 100 yards wide at its widest.
An F3 tornado touched down in Goodhue, Rice counties, Minnesota and tracked 30 miles, 220 yards wide at its widest.
An F3 tornado touched down in Montgomery County, Pennsylvania and tracked 2 miles, 100 yards wide at its widest, killing 3 and injuring 25.
A rare (with respect to both time of day and intensity) tornado outbreak affected eastern Chester County the evening of the 27th. Tornadic thunderstorms affected portions of the Middle Atlantic States south of Pennsylvania earlier that evening.
An F3 tornado touched down in Chester County, Pennsylvania and tracked 4 miles, 100 yards wide at its widest, injuring 11.
25 tornadoes were recorded on July 27, 1994, in Virginia, Maryland, Delaware, Pennsylvania. They killed 3 people.
Two sites along Route 13 had some wind damage. One was about 2 miles south of Felton where a warehouse lost its loading doors and sustained damage to some other doors. An empty trailer was blown off a rig which was driving south on Route 13.
An F3 tornado touched down in Buchanan, Delaware counties, Iowa and tracked 20 miles, 150 yards wide at its widest.
A vary dynamic weather pattern was in place across Iowa. The air mass was very unstable with total total indices of 61, K indices over 30, and helicity values over 600 m2-s-2. Soundings at 1200 UTC already indicated lifted indices of -7° C.
Hail of unknown size fell for 45 minutes and flattened crops north of Tyler near the east end of Lake Benton. Damage was undetermined due to unknown recovery of crops and because of concurrent damage due to strong thunderstorm Winds.
27 tornadoes were recorded on July 27, 1995, in Minnesota, Iowa, Illinois, Maryland.
One half mile debris from 3 mobile homes. Large trees uprooted. 70kt winds reported with storm.
A tornado damaged homes, public buildings, trees, and power lines. The American Legion building had its entire front facade ripped off, and its windows shattered.
A F1 tornado touched down about one mile east of Augusta (Kalamazoo county). The tornado passed through Ft. Custer (Calhoun county) and continued to move through western Calhoun county, ending near Hill Brady road, about one mile northwest of the Battle Creek airport.
A line of severe thunderstorms moved east across north central Illinois during the early afternoon hours of July 27th.
An F1 (Fujita Scale) tornado touched down in Woodland Township, injured two people, damaged the New Lisbon Development Center and about 350 acres of trees in the Brendan T. Byrne State Forest.
Significant tree damage occurred from strong straight line winds.
A very unstable airmass was in place over Iowa as a warm front lifted north slowly into the state. The warm air had moved in aloft as freezing levels increased from 14,600 feet in the morning, to 16,200 by the evening hours.
Low pressure triggered a cluster of severe thunderstorms during the afternoon and early evening of July 27. Damaging winds and large hail were reported by storm spotters, law enforcement officials and the public.
Deep layer shear with a short wave trough interacted with instability ahead of a surface trough trailing from a surface low in central Wisconsin. The instability and shear produced supercell thunderstorms in southern Wisconsin along and ahead of the surface trough.
A major severe weather episode occurred across northwest Wisconsin, with thunderstorms producing tornadoes, high winds, and large hail.
A complex of thunderstorms developed across west-central Minnesota during the afternoon of July 27th and quickly moved eastward into east-central Minnesota, and west-central Wisconsin during the evening hours, and caused three tornadoes in west central Wisconsin.
Hot and humid conditions prevailed across the region July 27, as a warm front lifted northward into northeast Iowa. Showers and thunderstorms developed along the Highway 20 corridor in Dubuque, Jo Daviess and Stephenson Counties during the early evening hours of July 27.
An EF3 tornado touched down in Campbell, Claiborne counties, Tennessee and tracked 4.66 miles, 800 yards wide at its widest.
Widespread severe thunderstorms affected portions of eastern Kentucky on July 27th in advance of a strong cold front ushering in a fall-like air mass. Isolated storms moved across the area during the late morning hours as they moved out of Indiana and Ohio.
A potent upper-level storm system impacted the region on Sunday, July 27th, bringing several rounds of severe weather along with locally heavy rainfall. Three tornadoes were observed across east Tennessee; one classified as a strong, EF-3 tornado with winds of 140 mph.
A strong area of low pressure was situated over the Great Lakes region on Sunday, July 27th.
Well ahead of a strong cold front in Indiana, one cluster of thunderstorms moved southeast through Ohio during the afternoon, reaching northern West Virginia during the evening hours.
Five tornadoes touched down, three of those produced damage on an EF-1 scale. South of Byers, a tornado took to roof off a manufactured home and partially destroyed an outbuilding. The tornado flipped a UPS truck end over end and injured the driver.
Storms developed along a stalled frontal boundary on the evening of July 28th. These storms developed in clusters and were slow moving with heavy rain. They also produced sporadic wind damage across northwest Indiana. An EF0 tornado also occurred in Cass County.
An afternoon thunderstorm developed near the town of Henry and very quickly spun up a violent tornado. This tornado would cause significant damage to a farmstead before dissipating.
An EF3 tornado touched down in Outagamie, Winnebago counties, Wisconsin and tracked 13.18 miles, 1,500 yards wide at its widest, injuring 68.
7 on July 27, oldest first.
An unnamed storm crossed the coast as a category 1 hurricane, 75 kt (85 mph).
The 1922 Shantou Typhoon was a devastating tropical cyclone that caused thousands of deaths in the Chinese city of Shantou in August 1922. This death toll makes it one of the deadliest known typhoons in history.
From Wikipedia, CC BY-SA 4.0.
An unnamed storm crossed the coast near Bolivar Peninsula, TX as a category 2 hurricane, 90 kt (105 mph), central pressure 967 mb. The 1943 Surprise Hurricane was the first hurricane to be entered by a reconnaissance aircraft. The first tracked tropical cyclone of the 1943 Atlantic hurricane season, this system developed as a tropical storm while situated over the northeastern Gulf of Mexico on July 25.
From Wikipedia, CC BY-SA 4.0.
The remains of tropical storms and hurricanes occasionally drift into Oklahoma from the Gulf of America. This often results in widespread heavy rain. On July 26, 1959, the remains of Hurricane Debra arrived in southeast Oklahoma, then meandered across north-central and west-central parts of the state on the 26th and 27th. Much of the area received three to six inches of rainfall from the storm, resulting in many areas of minor flooding.
From the National Weather Service in Norman, Oklahoma.
Hurricane Andy reached its peak of 120 kt (140 mph) with a central pressure of 945 mb, a category 4 storm.
The 2022 Pacific hurricane season was a slightly above average hurricane season in the eastern North Pacific basin, with nineteen named storms, ten hurricanes, and four major hurricanes. Two of the storms crossed into the basin from the Atlantic.
From Wikipedia, CC BY-SA 4.0.
Hurricane Genevieve reached its peak of 140 kt (160 mph) with a central pressure of 924 mb, a category 5 storm.
28 on July 27, oldest first.
Flash flooding killed 2 California hikers in the Narrows of Zion National Park. Flash flooding occurred again on the Canal Canyon Creek just south of Spring City causing even more damage.
Thunderstorms developed along the lake breeze fronts as they moved inland off of Lakes Huron and St Clair. Several of these became marginally severe, producing hail up to the size of quarters. The largest hail fell in Washington Township in Macomb County.
Severe thunderstorms containing flooding rainfall and damaging winds developed during the evening hours across the central and southern Texas panhandle. A microburst hit the city of Borger shortly before sunset causing extensive damage but no injuries.
Thunderstorms dumped two to four inches of rain on Stark County during the early evening hours with the greatest amounts in the northern and central portions of the county.
Thunderstorms moved across the region during the late afternoon and evening hours. Heavy rains accompanied the thunderstorms with rainfall rates of nearly two inches per hour with the stronger storms. The heaviest rains fell in southern Medina and northern Wayne Counties.
Repeated thunderstorms with torrential downpours caused flash flooding of streams and creeks in the southeast half of Berks County. Birdsboro Borough was hit the hardest as a flooding Hay Creek caused roadway and home damage.
The 2005 Maharashtra floods impacted many parts of the Indian state of Maharashtra, including large areas of the metropolis of Mumbai, a city located on the coast of the Arabian Sea on the western coast of India, in which approximately 1,094 people died. It occurred just one month after the June 2005 Gujarat floods.
From Wikipedia, CC BY-SA 4.0.
Trees were blown down along Route 2.
Heavy thunderstorm rains fell on Lake County during the afternoon and evening hours of July 27th. Rainfall rates at times were in excess of three inches per hour. Rainfall totals through 10 p.m. ranged from 4 to 7 inches over much of the county.
A similar scenario to that of July 9, 2006 occurred again on the afternoon of July 27th. Very slow moving scattered thunderstorms developed across portions of south-central and southeast Wisconsin. A lake breeze fired additional storms across Waukesha County.
Two miles of high tension power lines and 31 utility poles were blown down along Interstate 57 near mile marker 284. Interstate 57 was closed for several hours. Corn fields were also flattened.
Heavy thunderstorm rains fell on much of Crawford County during the evening hours of July 27th. As much as three inches of rain fell on southern Crawford County causing rapid rises in area streams and rivers.
The 2009 India floods affected various states of India in July 2009, killing at least 36 people in Orissa and 13 in Kerala. The most affected states were Karnataka, Orissa, Kerala, Gujarat and North-East Indian states.
From Wikipedia, CC BY-SA 4.0.
A very moist atmosphere with precipitable water values of 2.2 inches was in place across the region. With ample daytime heating thunderstorms developed during the afternoon hours.
Hot and humid conditions prevailed across the region July 27, as a warm front lifted northward into northeast Iowa. Showers and thunderstorms developed along the Highway 20 corridor in Dubuque, Jo Daviess and Stephenson Counties during the early evening hours of July 27.
Several rounds of heavy rain and thunderstorms moved across southwest lower Michigan from July 27 to July 29, flooding roadways and intersections across areas near to mainly south of Interstate 96.
Strong to severe thunderstorms developed across parts of far northern Illinois during the mid to late evening hours of July 27th and continued into the early morning hours of July 28th.
A nighttime core rain event occurred in the Laredo vicinity during the early morning hours of July 27th. A weak upper level low pressure area moved across the western Brush Country during the night and interacted with deep tropical moisture over the area.
Thunderstorms repeatedly moved across the same areas over the North Carolina foothills, causing a high impact flash flood event over Catawba, Lincoln and Cleveland counties. In Catawba County alone, between 50 and 60 roads were closed at the height of the event.
Mid level dry air pushed in above low level monsoon moisture, triggering widespread thunderstorms with flash flooding and severe weather.
An upper level disturbance moving out of the Great Lakes initiated showers and thunderstorms over New York and New England. Enough instability was present in the region for some of these storms to become severe, producing strong to damaging winds and at least one funnel cloud.
After a short dry spell, another push of monsoon moisture fueled more thunderstorms over the Mojave Desert, some of which produced flash flooding.
Following heavy rain, Gujarat state of India was affected by the flood in July 2015. The flood resulted in at least 72 deaths.
From Wikipedia, CC BY-SA 4.0.
With an area of high pressure centered over northeast Colorado, above normal amounts of subtropical moisture continued to stream into New Mexico on July 27, 2021.
Substantial monsoon moisture remained over the area as high pressure drifted east over the Plains. As a result, widespread showers and thunderstorms developed with many storms producing heavy rain. This led to localized flash flooding across portions of La Plata County.
Between July 25th and July 30th, 2022, several complexes of training thunderstorms developed south of I-64 and brought heavy rain, deadly flash flooding, and devastating river flooding to eastern Kentucky and central Appalachia.
Northwest flow in the mid- and upper-levels of the atmosphere placed central Kentucky and southern Indiana on the edge of a ring of fire type pattern for several days at the end of July 2023.
During the late afternoon and evening of the 27th, intense thunderstorms produced significant rainfall and hail throughout the greater Reno metro area. This lead to several reports of flooded buildings as well as road closures due to flooding.
20 on July 27, oldest first.
Thunderstorm Winds caused tree damage.
An isolated severe thunderstorm developed over parts of Douglas and Sarpy Counties. Nearly $300,000 damage was done by hail to aircraft and vehicles at Offutt Air Force Base. 3,000 to 5,000 acres of corn and soybeans were also lost.
Trees down.
Thunderstorm winds downed several large trees limbs and a power pole near Arcadia.
A cold front moved through the region during the late afternoon and evening. This cold front, combined with moist and unstable conditions, triggered widespread showers and storms across the region.
A strong cold frontal passage triggered severe thunderstorms across New Jersey on the afternoon of the 27th.
A powerful cold front triggered numerous severe thunderstorms from Staten Island eastward across Long Island.
A slow moving cold front moved through southern New England and produced a long line of showers and thunderstorms that tracked east across the area. Much of this line of storms was severe with damaging thunderstorm winds and occasional hail.
A strong cold frontal passage triggered severe thunderstorms across Eastern Pennsylvania on the afternoon of the 27th. The combination of lightning and damaging winds caused about 62,000 homes and businesses to lose power.
A cold front moved east across eastern New York and western New England during the late morning through mid afternoon hours of Sunday July 27th.
A powerful upper-level low pressure system dropped southward into the Great Lakes on Sunday July 27, sparking a good deal of severe thunderstorms in the warm, moist, and unstable air in advance of the system. Between 2 p.m.
Scattered to numerous strong to severe thunderstorms moved into and developed over the North Carolina mountains during the evening ahead of an unusually strong mid-Summer cold front.
A weakening line of thunderstorms moved across the Delaware River into New Jersey during the late evening and overnight on the 27th. While most of the storms were weakening, one thunderstorm became severe and caused wind damage in Burlington County.
A sequence of severe thunderstorms moved through portions of extreme northeast Middle Tennessee in the late afternoon of July 27th.
Significant instability, a low pressure circulation over southeastern Montana, favorable winds, and warm, moist air all combined with an approaching strong upper-level storm system to quickly develop and maintain well-organized severe thunderstorms over many locations and a…
During the afternoon and evening hours of July 27th, a line of thunderstorms moved across central Indiana causing sporadic wind damage.
A cold front entered a marginally unstable, but highly sheared environment during the late afternoon and evening hours. A broken line of severe thunderstorms moved acros most of Massachusetts and a portion of northern Connecticut and northern Rhode Island.
A couple of thunderstorms progressed from west to east across western Massachusetts ahead of an approaching cold front from the north during the afternoon hours on Tuesday, July 27, 2021.
A potent mid level shortwave moved in from the Great Lakes bringing widespread wind damage.
An isolated severe thunderstorm developed near I-10 in Vicksburg Junction in southwest Arizona during the late afternoon hours on the 27th, resulting in multiple tractor trailers being blown over along I-10 between mile posts 41-47.
16 on July 27, oldest first.
A brief two day hot spell claimed the lives of 5 more persons in the Philadelphia Metropolitan Area. Four persons died within Philadelphia. The 5th death occurred in Pottstown in Montgomery County where a 61-year-old woman was found dead in a home with all the windows closed.
Two persons died on the 27th due to the excessive heat. The first victim was a 61 year-old man who was found dead in his Oklahoma City (Oklahoma County) home. The other victim was also found dead in his home, this time in Cromwell (Seminole County).
Heat related death (no a/c).
Middle aged man died from a heat stoke while presumed fishing along the Red River.
A man from Verona died from the excessive heat.
A four-year-old boy died of heat exposure after he was left unattended at a playground in Balch Springs. The boy did not have any water. High temperatures on this day were in the lower 100s with low temperatures in the mid 70s.
Strong high pressure aloft led to a major heat event for western Washington. The average temperature for July 2009 at Seattle-Tacoma airport was 69.5 degrees, the warmest July on record, and tying record for the warmest July on record in Seattle.
An upper ridge of high pressure began rebuilding over the Mid-South by late July. Hot and humid conditions returned resulting in heat index values between 105 and 109 degrees. One death occurred as a result.
One person died of heat related causes in Las Vegas. The high temperature was only 93, but highs the previous three days had been 106 or higher, with lows in the 80s.
A hot and humid air mass produced Heat Index values around 110 degrees with high temperatures in the middle 90s.
A very warm period continued over southern WI. One heat-related death occurred in Milwaukee. Heat index values were in the lower 90s.
Strong high pressure over the Desert Southwest near the end of the month led excessive heat warning conditions for parts of the region. The deadly heat resulted in 25 fatalities (20 direct and 5 indirect) according to the Maricopa County Department of Public Health.
An upper level ridge situated over much of the western United States at the end of July led to heat that resulted in several fatalities. One of these fatalities included a woman visiting from Boston who died after becoming overheated while hiking on Camelback Mountain.
Temperatures and precipitation averaged fairly close to normal during July, but this was enough to allow drought conditions to worsen to severe levels at the end of the month.
A two-day stretch of excessive heat impacted much of the Midwest, including all of central and southeastern Illinois. High temperatures climbed into the 90s while dewpoint temperatures were in the upper 70s or low 80s, resulting in heat indices of 100 to 115 degrees.
Strong upper level ridge built up over the region from July 25th through 29th. This ushered in much warmer air and higher dewpoints. So heat index values 100+ were reported from July 25th through 29th.
49 on July 27, oldest first.
The Table 2 Fire started on July 27, 1985, in Nevada, and burned 12,694 acres.
The Canal Fire started on July 27, 1989, in Oregon, and burned 18,577 acres.
The Big Draw Fire started on July 27, 1989, in Nevada, and burned 10,632 acres.
The Chispa Fire started on July 27, 1989, in California, and burned 9,873 acres.
The Little Baldy Mt Fire started on July 27, 1989, in Oregon, and burned 9,804 acres.
The Elevator Fire was discovered on July 27, 1994, in Utah, and burned 31,395 acres; the cause was recorded as natural.
The Hawley 2 Fire was discovered on July 27, 1994, in Idaho, and burned 13,940 acres; the cause was recorded as natural.
The Antelopemt Fire was discovered on July 27, 1994, in Utah, and burned 8,600 acres; the cause was recorded as natural.
The H.b Fire was discovered on July 27, 1995, in New Mexico, and burned 13,000 acres; the cause was recorded as recreation and ceremony.
Dry and windy conditions help spread small wild fires across farm fields in central Whitman county. Several fires were reported from La Crosse to Endicott to St. John with over 600 acres of wheat and barely burned.
The Cleveland Fire was discovered on July 27, 1998, in Washington, and burned 18,500 acres; the cause was recorded as natural.
The Oldroyd Complex (Mona West) Fire was discovered on July 27, 2000, in Juab County, Utah, and burned 33,838 acres; the cause was recorded as natural.
The Ineel Fire was discovered on July 27, 2000, in Butte County, Idaho, and burned 18,140 acres; the cause was recorded as natural.
The Coyote Fire was discovered on July 27, 2000, in Lincoln County, Nevada, and burned 15,719 acres; the cause was recorded as natural.
The Mdl Enos Fire was discovered on July 27, 2000, in Wyoming, and burned 13,666 acres; the cause was recorded as natural.
The Monument Canyon Fire was discovered on July 27, 2000, in Cassia County, Idaho, and burned 10,944 acres; the cause was recorded as natural.
The Hatten Road Fire was discovered on July 27, 2003, in Lincoln County, Washington, and burned 7,209 acres; the cause was recorded as equipment and vehicle use.
The Little Mud River 2 Fire was discovered on July 27, 2005, in Alaska, and burned 30,171 acres; the cause was recorded as natural.
The Nulato 3 Fire was discovered on July 27, 2005, in Alaska, and burned 14,405 acres; the cause was recorded as natural.
The Tlatl Hills Fire was discovered on July 27, 2005, in Alaska, and burned 6,690 acres; the cause was recorded as natural.
The Sioux County Complex was discovered on July 27, 2006, in Sioux County, Nebraska, and burned 48,800 acres; the cause was recorded as natural.
The Potato Fire was discovered on July 27, 2006, in Custer County, Idaho, and burned 18,236 acres; the cause was recorded as natural.
The Brush Creek Fire was discovered on July 27, 2007, in Lincoln County, Montana, and burned 29,921 acres; the cause was recorded as natural.
The Neibaur Fire was discovered on July 27, 2008, in Power County, Idaho, and burned 7,831 acres; the cause was recorded as arson/incendiarism.
The Chevlon Complex (Weimer) Fire was discovered on July 27, 2009, in Navajo County, Arizona, and burned 6,399 acres; the cause was recorded as natural.
A wildfire burned 350 acres of grassland near Rochester in Sangamon County on July 27th. While the exact cause of the fire is unknown, it was likely aided by very dry conditions and northwesterly winds gusting to 25 mph.
The Halstead Fire was discovered on July 27, 2012, in Custer County, Idaho, and burned 181,948 acres; the cause was recorded as natural.
The Dallas Canyon Fire was discovered on July 27, 2012, in Tooele County, Utah, and burned 43,660 acres; the cause was recorded as natural.
The Longhorn Complex was discovered on July 27, 2012, in South Dakota, and burned 43,639 acres; the cause was recorded as natural.
The Ridge Top Fire was discovered on July 27, 2012, in Bingham County, Idaho, and burned 16,613 acres; the cause was recorded as natural.
The Bear Mountain Complex was discovered on July 27, 2012, in Carbon County, Wyoming, and burned 8,796 acres; the cause was recorded as natural.
The month of July was warmer and drier than normal. Fuels across the area became receptive to fire very quickly during this time. Breezy winds on the 27th and 28th also were a contributing factor for rapid fire spread.
The Colockum Tarps Fire was discovered on July 27, 2013, in Chelan County, Washington, and burned 80,053 acres; the cause was recorded as human.
The Whaleback Fire was a wildfire that burned on Whaleback Mountain in Spaulding, approximately 20 miles northwest of Susanville in Lassen County, California, in the United States. First reported on July 27, 2018, the Whaleback Fire burned 18,703 acres (76 km2), before it was fully contained on August 7.
From Wikipedia, CC BY-SA 4.0.
The Mendocino Complex Fire was a large complex of wildfires that burned in northern California for more than three months in 2018. It consisted of two wildfires, the River Fire and Ranch Fire, which burned in Mendocino, Lake, Colusa, and Glenn Counties in California.
From Wikipedia, CC BY-SA 4.0.
The Chelan Hills Wildfire began on July 27 from an unknown cause. The fire burned 1842 acres of grass and brush on slopes above the Columbia River near the town of Orondo. Four homes and several orchards were damaged and several outbuildings were destroyed.
The Mendocino Complex was reported on July 27, 2018, in Mendocino County, California, and burned 459,123 acres.
The Perry Fire was reported on July 27, 2018, in Washoe County, Nevada, and burned 51,386 acres; the cause was recorded as human.
The Whaleback Fire was reported on July 27, 2018, in Lassen County, California, and burned 18,703 acres.
The Cedar Mountain One Fire was reported on July 27, 2018, in Tooele County, Utah, and burned 13,942 acres; the cause was recorded as natural.
The Red Salmon Complex was a wildfire that burned 144,698 acres (58,557 ha) in Humboldt, Trinity, and Siskiyou County in Northern California during the 2020 California wildfire season. On July 27, lightning strikes in the Trinity Alps Wilderness started two fires, the Salmon Fire and the Red Fire, which eventually merged.
From Wikipedia, CC BY-SA 4.0.
The PF Fire was a wildfire that started near Hardin, Montana on June 18, 2021. The fire has burned 66,134 acres (26,763 ha) and was fully contained on August 4, 2021.
From Wikipedia, CC BY-SA 4.0.
The P F Fire was reported on July 27, 2021, in Big Horn County, Montana, and burned 66,134 acres.
The Gales Fire was reported on July 27, 2021, in Lane County, Oregon, and burned 29,356 acres; the cause was recorded as natural.
The Clear Creek Fire was reported on July 27, 2023, in Denali County, Alaska, and burned 53,289 acres; the cause was recorded as natural.
The Currant Creek Fire started in late July due to unknown causes 5 miles northwest of Cedaredge, Colorado.
The Little John Fire was reported on July 27, 2025, in Malheur County, Oregon, and burned 12,973 acres; the cause was recorded as natural.
The Widemouth 2 Fire was reported on July 27, 2026, in Millard County, Utah, and burned 129,742 acres; the cause was recorded as natural.
The Potato Creek Fire was reported on July 27, 2026, in Jackson County, South Dakota, and burned 10,944 acres; the cause was recorded as natural.
9 on July 27, oldest first.
A magnitude 6.3 earthquake struck Patras, Greece.
A magnitude 6.3 earthquake struck Guayaquil, Peru-Ecuador. It killed 1 person.
A magnitude 7.5 earthquake struck Tangshan, NE, China. It killed 242,769 people, injured 799,000 and did $5.6 billion in damage.
A magnitude 5.1 earthquake struck Maysville, Kentucky, United States. It injured 2 and did $1 million in damage.
A magnitude 6.4 earthquake struck Espiritu Santo, Vanuatu Islands. It injured 2.
A magnitude 7 earthquake struck Papua, Indonesia. It killed 1 person and destroyed 1 house.
A magnitude 6.9 earthquake struck Alaska, United States. It caused a tsunami.
A magnitude 4.9 earthquake struck Son LA Province, Vietnam.
A magnitude 7 earthquake struck Abra, Luzon, Philippines. It killed 11 people, injured 609, destroyed 856 houses and did $48.5 million in damage. It caused a tsunami.
2 on July 27, oldest first.
Aogashima, Japan erupted with a Volcanic Explosivity Index of 3. It killed 7 people.
Semeru, Indonesia erupted with a Volcanic Explosivity Index of 3. It killed 2 people and injured 5.
4 on July 27, oldest first.
A tsunami with a source recorded as landslide struck Columbia River Valley, WA, United States, with a maximum water height of 19.81 meters.
A tsunami caused by a magnitude 6.9 earthquake struck Fox Islands, Aleutian Islands, AK, United States, with a maximum water height of 0.08 meters.
A tsunami caused by a magnitude 7 earthquake struck N. Luzon Island, Philippines, with a maximum water height of 0.08 meters. It killed 11 people, injured 609, destroyed 856 houses and did $48.5 million in damage.
A tsunami with a source recorded as meteorological struck Lake Michigan, United States, with a maximum water height of 0.41 meters.
9 on July 27, oldest first.
A G2 (moderate) geomagnetic storm began July 27, 1953, reached Kp 6 and lasted 15 hours, with a daily Ap as high as 44; at that Kp the aurora may be seen from about 55 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began July 27, 1958, 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 60 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began July 27, 1962, 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 G1 (minor) geomagnetic storm began July 27, 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 July 27, 1981, reached Kp 5 and lasted 3 hours, with a daily Ap as high as 25; at that Kp the aurora may be seen from about 60 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began July 27, 1982, 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 G1 (minor) geomagnetic storm began July 27, 1986, reached Kp 5 and lasted 3 hours, with a daily Ap as high as 16; at that Kp the aurora may be seen from about 60 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began July 27, 1994, reached Kp 5 and lasted 3 hours, with a daily Ap as high as 13; at that Kp the aurora may be seen from about 60 degrees geomagnetic latitude.
A G1 (minor) geomagnetic storm began July 27, 2005, reached Kp 5+ and lasted 9 hours, with a daily Ap as high as 23; at that Kp the aurora may be seen from about 58 degrees geomagnetic latitude.
17 on July 27, oldest first.
A teenager drowned after being caught in a rip current while swimming in the Gulf of Mexico.
Female who was injured on July 27 when lightning hit a nearby tree and "jumped" over to her, died several days four days later.
Douglas Lake Marina was hit by waves estimated at 4 to 6 feet and then a wind gust estimated at 45-55 mph. One 300 foot section of the 3-section dock was totally destroyed. 15-20 boats were either damaged or destroyed.
A 25 year old female was struck and killed by lightning on Willow Creek Trail after having climbed Kit Carson and Challenger Peaks. Her husband was injured by the lightning strike. They were under a stand of big timber.
A women drowned from rip currents at Carolina Beach.
Lightning struck a man on the roof of a house. He was revived, but died the next morning.
A man was struck and killed by lightning, while jogging at Matthews Winters Park in Morrison. The thunderstorm, which produced numerous lightning strikes, also caused a power outage at Red Rocks Amphitheatre, forcing the cancellation of a concert scheduled later in the evening.
A boogie boarder recreating in the the surf zone near Long Beach, WA drown after he was pulled out to sea by a rip tide. The Coast Guard and local Search and Rescue folks were called after the boy was reported missing, but was unable to locate him.
A rip current on Mustang Island resulted in a drowning.
A warm, very moist and unstable airmass, combined with the approach of a weak cold front from the west, led to the development of scattered showers and thunderstorms during the evening hours on Friday July 27th.
Thunderstorms crossing the northern Outer Banks produced a lightning strike that killed a man in Southern Shores.
Strong rip currents developed on Friday, July 27th. Four people were swimming near North Avenue Beach when a strong current carried them further out in the lake until they could no longer feel the lake's bottom.
Strong rip currents developed at the Indiana Dunes National Lakeshore during the evening of July 27th. A 37 year old man swimming at Lakeview Beach was caught in the currents and later died.
Gusty northwesterly winds moved across Lake Michigan in the wake of a strong cold front. Wave heights of three to six feet were common during the afternoon hours of the 27th. A 15 year old boy from Illinois was caught in a rip current and pulled away from shore.
A surge of monsoonal moisture from northern Mexico generated scattered thunderstorms across Southern California. From these storms, two significant lightning strikes occurred. In Venice Beach, one man was killed and 13 people were injured when lightning struck the water.
A 40 year old man drown due to a rip current while trying to save his 16 year old son. The son survived.
Persistent south to southwest winds with gusts of 25 to 35 kt around Bermuda high pressure brought 3 to 4 ft breaking surf and a high risk of rip currents to the local beaches Thursday, and moderate to high on Friday.
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.