Nicholas S Grondin
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Articles by Nicholas S Grondin
Using observed and synthetic tropical cyclone tracks to assess past and future tropical cyclone activity in Charlotte Harbor, Florida
ABSTRACT Recent events, such as Hurricanes Ian and Milton, have brought attention to tropical cyclone (TC) activity in the Charlotte Harbor region in southwestern Florida. In this study, we use observed and synthetic TC tracks to assess the region’s local TC climatology and how TC characteristics in the region may change in the future under a middle-of-the-road warming scenario (SSP245) relative to the past.
California is taking a beating from an unusually destructive 2026 Pacific hurricane season
© 2026 Tolerance.ca ® Inc. All reproduction rights reserved. All information reproduced on the Web pages of www.tolerance.ca (including articles, images, photographs, and logos) is protected by intellectual property rights owned by Tolerance.ca ® Inc. or, in certain cases, by its author. Any reproduction of the information for use other than personal use is prohibited.
California is taking a beating from an unusually destructive 2026 Pacific hurricane season Original
California isn’t a place most Americans associate with tropical weather, but it’s taking a beating in 2026 from one of the most active eastern Pacific hurricane seasons in modern history. For the second time ever, national forecasters issued a tropical storm watch for Southern California as Tropical Storm Rachel headed toward the region, bringing high tides, coastal flooding and drenching rain from Oct. 9-11. The first tropical storm watch was issued just three years earlier, for Hurricane Hilary.
California is taking a beating from an unusually destructive 2026 Pacific hurricane season
Waves crash into damaged homes in Long Beach, Calif., amid high surf generated by Tropical Storm Rachel on Oct. 11, 2026. Mario Tama/Getty Images California isn’t a place most Americans associate with tropical weather, but it’s taking a beating in 2026 from one of the most active eastern Pacific hurricane seasons in modern history.
California is taking a beating from an unusually destructive 2026 Pacific hurricane season
0:24 7 hours ago Las Vegas: Flash Flooding Near Strip. StringersHub • 7h Las Vegas, United States - October 11, 2026 Heavy rain from Tropical Storm Rachel drenched the Las Vegas valley on Sunday morning, causing widespread flooding. More than one inch of rain fell early in the morning on the west side of the valley, which prompted a Flash Flood Warning. Cameras captured floodwaters across Las Vegas, leaving cars stranded and forcing road closures.
California is taking a beating from an unusually destructive 2026 Pacific hurricane season
(THE CONVERSATION) California isn’t a place most Americans associate with tropical weather, but it’s taking a beating in 2026 from one of the most active eastern Pacific hurricane seasons in modern history. For the second time ever, national forecasters issued a tropical storm watch for Southern California as Tropical Storm Rachel headed toward the region, bringing high tides, coastal flooding and drenching rain from Oct. 9-11.
California is taking a beating from an unusually destructive 2026 Pacific hurricane season
California isn’t a place most Americans associate with tropical weather, but it’s taking a beating in 2026 from one of the most active eastern Pacific hurricane seasons in modern history. For the second time ever, national forecasters issued a tropical storm watch for Southern California as Tropical Storm Rachel headed toward the region, bringing high tides, coastal flooding and drenching rain from Oct. 9-11. The first tropical storm watch was issued just three years earlier, for Hurricane Hilary.
California is taking a beating from an unusually destructive 2026 Pacific hurricane season
California isn’t a place most Americans associate with tropical weather, but it’s taking a beating in 2026 from one of the most active eastern Pacific hurricane seasons in modern history. kAmu@C E96 D64@?5 E:>6 6G6C[ ?2E:@?2= 7@C642DE6CD :DDF65 k2 9C67lQ9EEADi^^HHH]?94]?@22]8@G^2C49:G6^a_ae^6A`g^6A`ga_ae]AF3=:4]_d_]D9E>=Qm2 EC@A:42= DE@C> H2E49 7@C $@FE96C? r2=:7@C?:2k^2m 2D %C@A:42= $E@C> #2496= 962565 E@H2C5 E96 C68:@?[ 3C:?8:?8 9:89 E:56D[ 4@2DE2= 7=@@5:?8 2?5 5C6?49:?8 C2:?
California is taking a beating from an unusually destructive 2026 Pacific hurricane season
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Nicholas Grondin, University of Tampa (THE CONVERSATION) California isn’t a place most Americans associate with tropical weather, but it’s taking a beating in 2026 from one of the most active eastern Pacific hurricane seasons in modern history.
California is taking a beating from an unusually destructive 2026 Pacific hurricane season
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Nicholas Grondin, University of Tampa (THE CONVERSATION) California isn’t a place most Americans associate with tropical weather, but it’s taking a beating in 2026 from one of the most active eastern Pacific hurricane seasons in modern history.
Another hurricane just sideswiped Hawaii
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)
Why Hawai‘i’s Hurricane ‘Force Field’ Seems To Be Down
Hawai‘i was once considered a place that somehow dodged hurricanes. Lala and Lowell have changed that. What’s happening in the Pacific? The Hawaiian Islands rarely see significant hurricane damage, but they just experienced the effects of their second hurricane in a year as Hurricane Lowell’s eyewall brushed Niihau, west of Kaua‘i, on Sept. 8. The hurricane brought heavy downpours, high surf and hurricane-force wind gusts that pounded both islands, knocking out power and flooding roads.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
© 2026 Tolerance.ca ® Inc. All reproduction rights reserved. All information reproduced on the Web pages of www.tolerance.ca (including articles, images, photographs, and logos) is protected by intellectual property rights owned by Tolerance.ca ® Inc. or, in certain cases, by its author. Any reproduction of the information for use other than personal use is prohibited.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
TOPSHOT - Palm trees bend from strong winds as an CH-47 Chinook helicopter flies over Barbers Point in Kapolei, Hawaii, on September 7, 2026. A hurricane warning was issued September 7 for the westernmost Hawaiian islands of Kauai and Niihau as Category 3 Hurricane Lowell approached the US Pacific island chain, the National Hurricane Center (NHC) said.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
The Hawaiian Islands rarely see significant hurricane damage, but they just experienced the effects of their second hurricane in a year as Hurricane Lowell's eyewall brushed Niihau, west of Kauai, on Sept. 8, 2026. The hurricane brought heavy downpours, high surf and hurricane-force wind gusts that pounded both islands, knocking out power and flooding roads. Tropical storm conditions reached as far as Honolulu on the island of Oahu. A video from Kauai shows the damage during Hurricane Lowell.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
TOPSHOT - Palm trees bend from strong winds as an CH-47 Chinook helicopter flies over Barbers Point in Kapolei, Hawaii, on September 7, 2026. A hurricane warning was issued September 7 for the westernmost Hawaiian islands of Kauai and Niihau as Category 3 Hurricane Lowell approached the US Pacific island chain, the National Hurricane Center (NHC) said.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
The Hawaiian Islands rarely see significant hurricane damage, but they just experienced the effects of their second hurricane in a year as Hurricane Lowell’s eyewall brushed Niihau, west of Kauai, on Sept. 8, 2026. The hurricane brought heavy downpours, high surf and hurricane-force wind gusts that pounded both islands, knocking out power and flooding roads. Tropical storm conditions reached as far as Honolulu on the island of Oahu. A video from Kauai shows the damage during Hurricane Lowell.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
The Hawaiian Islands rarely see significant hurricane damage, but they just experienced the effects of their second hurricane in a year as Hurricane Lowell's eyewall brushed Niihau, west of Kauai, on Sept. 8, 2026. The hurricane brought heavy downpours, high surf and hurricane-force wind gusts that pounded both islands, knocking out power and flooding roads. Tropical storm conditions reached as far as Honolulu on the island of Oahu. A video from Kauai shows the damage during Hurricane Lowell.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
TOPSHOT - Palm trees bend from strong winds as an CH-47 Chinook helicopter flies over Barbers Point in Kapolei, Hawaii, on September 7, 2026. A hurricane warning was issued September 7 for the westernmost Hawaiian islands of Kauai and Niihau as Category 3 Hurricane Lowell approached the US Pacific island chain, the National Hurricane Center (NHC) said.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
TOPSHOT - Palm trees bend from strong winds as an CH-47 Chinook helicopter flies over Barbers Point in Kapolei, Hawaii, on September 7, 2026. A hurricane warning was issued September 7 for the westernmost Hawaiian islands of Kauai and Niihau as Category 3 Hurricane Lowell approached the US Pacific island chain, the National Hurricane Center (NHC) said.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
TOPSHOT - Palm trees bend from strong winds as an CH-47 Chinook helicopter flies over Barbers Point in Kapolei, Hawaii, on September 7, 2026. A hurricane warning was issued September 7 for the westernmost Hawaiian islands of Kauai and Niihau as Category 3 Hurricane Lowell approached the US Pacific island chain, the National Hurricane Center (NHC) said.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Article continues below this ad (THE CONVERSATION) The Hawaiian Islands rarely see significant hurricane damage, but they just experienced the effects of their second hurricane in a year as Hurricane Lowell’s eyewall brushed Niihau, west of Kauai, on Sept. 8, 2026.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
TOPSHOT - Palm trees bend from strong winds as an CH-47 Chinook helicopter flies over Barbers Point in Kapolei, Hawaii, on September 7, 2026. A hurricane warning was issued September 7 for the westernmost Hawaiian islands of Kauai and Niihau as Category 3 Hurricane Lowell approached the US Pacific island chain, the National Hurricane Center (NHC) said.
Another hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026 Original
The Hawaiian Islands rarely see significant hurricane damage, but they just experienced the effects of their third hurricane in a year as slow-moving Hurricane Nolo brought flooding rain and powerful winds to the islands as it passed by them in late September 2026. Nolo followed Hurricane Lowell, whose eyewall brushed Niihau, west of Kauai, on Sept. 8. In August, a near-miss by Hurricane Lala brought hurricane-force winds to the Hawaii’s Big Island for the first time since 1871.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
A Pacific hurricane seen from space. Photo: GOES imagery, CSU/CIRA and NOAA The Hawaiian Islands rarely see significant hurricane damage, but they just experienced the effects of their second hurricane in a year as Hurricane Lowell’s eyewall brushed Niihau, west of Kauai, on Sept. 8, 2026. The hurricane brought heavy downpours, high surf and hurricane-force wind gusts that pounded both islands, knocking out power and flooding roads.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Nicholas Grondin, University of Tampa (THE CONVERSATION) The Hawaiian Islands rarely see significant hurricane damage, but they just experienced the effects of their second hurricane in a year as Hurricane Lowell’s eyewall brushed Niihau, west of Kauai, on Sept. 8, 2026.
A second hurricane just sideswiped Hawaii – why the islands’ usual force field seems to be down in 2026
The Hawaiian Islands rarely see significant hurricane damage, but they just experienced the effects of their second hurricane in a year as Hurricane Lowell’s eyewall brushed Niihau, west of Kauai, on Sept. 8, 2026.
Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) (THE CONVERSATION) Tropical Storm Hilary made landfall on Mexico’s Baja peninsula, and its damaging wind and heavy rainfall moved into Southern California on Aug. 20, 2023. For the first time ever, the National Hurricane Center had issued a tropical storm watch for large parts of Southern California.
A Climatology of Intensity Change and Translation Speed of Landfalling North American Tropical Cyclones between 1971 and 2020
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Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
Tropical Storm Hilary made landfall on Mexico’s Baja peninsula and moved into Southern California with damaging wind and heavy rainfall on Sunday, Aug. 20, 2023. For the first time ever, the National Hurricane Center had issued a tropical storm watch for large parts of Southern California. Forecasters warned of a “potentially historic amount of rainfall,” and the governors of California and Nevada declared states of emergency.
The climatology, vulnerability, and public perceptions associated with overlapping tornado and flash flood warnings in a portion of the Southeast United States
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Gender inequality: less of it would help Japan's economy
Plummeting birth rates and an ageing population have long been highlighted as existential threats to the Japanese labour market. By 2040, demographers suggest the country’s workforce will be short by at least 11 million people – that’s a hole the size of the population of the Paris metro area. The third crucial pressure point is Japan’s woeful record on gender equality. It sits near the bottom not just in G7 rankings, but globally.
Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
Tropical Storm Hilary made landfall on Mexico's Baja peninsula and moved into Southern California with damaging wind and heavy rainfall on Sunday, Aug. 20, 2023. Forecasters warned of a "potentially historic amount of rainfall" and dangerous flooding. California's governor declared a state of emergency on Saturday, and officials had urged people on Catalina Island and in other high-risk areas to evacuate. Nevada's governor declared a state of emergency on Sunday.
Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
Natural Disasters California had only one confirmed tropical storm landfall in the past in September 1939 Tropical Storm Hilary made landfall on Mexico’s Baja peninsula and moved into Southern California with damaging wind and heavy rainfall on Sunday, August 20, 2023. Forecasters warned of a “potentially historic amount of rainfall” and dangerous flooding.
Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)
Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)
Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
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Tropical Storm Hilary pounds Southern California with heavy rain, risk of flash flooding
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)
Tropical Storm Hilary pounds Southern California with heavy rain, risk of flash flooding
(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.)
Tropical Storm Hilary pounds Southern California with heavy rain, risk of flash flooding
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Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
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Tropical Storm Hilary pounds Southern California with heavy rain, risk of flash flooding
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Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
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Tropical Storm Hilary pounds Southern California with heavy rain, flash flooding
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Tropical Storm Hilary pounds Southern California with heavy rain, risk of flash flooding
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Hurricane Hilary triggers Southern California's first tropical storm warning ever, with heavy rain and flash flooding forecast
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Hurricane Hilary, California, Tropical Storm
EXTREME WEATHERA First: Hurricane Hilary Triggers Southern California’s First Tropical Storm Warning Ever Published 19 August 2023 Hurricane Hilary headed for Mexico’s Baja peninsula as a powerful Category 4 storm on Aug. 18, 2023, and was forecast to speed into Southern California at or near tropical storm strength as early as Aug. 20. For the first time ever, the National Hurricane Center issued a tropical storm warning for large parts of Southern California.
Hurricane Hilary triggers Southern California’s first tropical storm warning ever
Hurricane Hilary headed for Mexico's Baja peninsula as a powerful Category 4 storm on Aug. 18, 2023, and was forecast to speed into Southern California at or near tropical storm strength as early as Aug. 20. For the first time ever, the National Hurricane Center issued a tropical storm warning for large parts of Southern California.
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