A complex, broken line of thunderstorms developed during the afternoon ahead of an approaching cold front producing very heavy rainfall and some embedded severe storms. Trees were blown trees onto power lines, which caused a number of power outages.
Read the full account →Helene first developed into a tropical storm in the northwest Caribbean Sea in the late morning of September 24, and strengthened into a hurricane near the Yucatan peninsula about 24 hours later.
Read the full account →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
Read the full account →Category 1 Hurricane Isaias with maximum sustained winds of 85 mph, made landfall near Ocean Isle Beach, NC at 11:10 pm on August 3rd. Isaias' intensity weakened back to Tropical Storm strength as its forward speed increased to near 30 mph early morning of August 4th.||The…
Read the full account →A developing upper low northwest of the state, in combination with tropical moisture, induced periods of heavy showers and thunderstorms, and generated historic flash flooding conditions over the Garden Isle of Kauai.
Read the full account →Two rounds of thunderstorms affected the Missouri Ozarks beginning on the evening of June 8th and continued through the morning of June 9th. Severe thunderstorms with large hail and damaging winds occurred with both rounds.
Read the full account →A slow moving cold front moved into the area during the evening of the 12th into the overnight and early morning hours of the 13th. Moisture pooling ahead of the cold front caused instability to increase in addition to added atmospheric moisture.
Read the full account →Low pressure over west central Indiana moved slowly east in Ohio on the afternoon and evening of the 21st. The boundary slowed to a stationary front across central Ohio, becoming a catalyst for storm development.
Read the full account →Imelda moved inland southwest of Galveston, Texas as a minimal tropical storm then meandered over Southeast Texas over the next couple days while weakening.
Read the full account →Weak surface low pressure slowly moved across northwest Ohio over the southern shore of Lake Erie in north central Ohio during the afternoon and evening hours of August 21st.
Read the full account →A strong area of low pressure system moved up the Ohio Valley and into Ontario on October 31, 2019. Strong southwest sustained winds up to 30 mph with gusts up to 60 mph occurred with this system as it deepened across Ohio in the evening hours.
Read the full account →Tropical Storm Josephine moved northeast across the Gulf of Mexico and brought low to moderate range tropical storm force winds to mainly coastal areas of West Central and Southwest Florida.
Read the full account →A cluster of thunderstorm generated hail to the size of quarters 13 miles northeast of Ortonville. Heavy rain associated with these storms produced 2.22 inches of moisture measured by the COOP observer in Artichoke Lake. This was on top of 5.83 total inches in May.
Read the full account →A low pressure system sat just south of Long Island for two days, bringing heavy rain to much of Southern New England during that time. A persistent southerly low level jet brought very moist air into the area, which resulted in high rainfall rates.
Read the full account →A coastal low formed off of the Southeast coast on October 11 and slowly tracked north into October 13 before moving offshore. Meanwhile, a strong 1035mb area of high pressure lingered over the Gulf of Saint Lawrence.
Read the full account →Rain during the morning of July 9th helped to saturate the ground, and additional thunderstorms in an anomalously high moisture environment during the early evening hours created flash flooding.
Read the full account →A southeastward-moving surface cold front across southern Lower MI and northern IN approached northwest OH during the early morning of the 17th.
Read the full account →Multiple rounds of thunderstorms, first from a decaying morning mesoscale convective system and later forming on outflow from earlier activity, produced heavy rainfall on July 1st.
Read the full account →A surface low moved generally eastward from east-central Lower MI to the southeastern shore of Lake Huron during the evening of the 20th. Simultaneously, the low's warm front swept northeastward across southern ON and western NY toward the northern shore of Lake Ontario as the…
Read the full account →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
Read the full account →Low pressure began organizing in the Gulf of Mexico on the 16th, setting record low sea level pressures as it traversed the Southeast through the 17th.
Read the full account →A very deep trough across the eastern seaboard allowed a deep, mild, moist flow from the Gulf of Mexico and the Atlantic ocean to feed into the northeast United States, including VT and NY on December 17th and 18th.||Surface low pressure across Florida on December 17th moved…
Read the full account →Significant flash flooding and 6 tornadoes, mostly small, weak and short-lived, developed on the 22nd, across a 35 mile wide band from near Frederick in southwest Oklahoma northeastward to near Chandler in central Oklahoma. Rainfall amounts in this band averaged 4 to 8 inches.
Read the full account →Northern Ohio resided in the warm sector as a surface trough axis moved generally eastward through the region during the afternoon and early evening of the 14th.
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