Flash Flooding Hits Mono County as Severe Thunderstorms Sweep Arizona, Pennsylvania and Texas
Active Severe Weather Warnings
National Weather Service offices have issued multiple flash flood and severe thunderstorm warnings across California, Arizona, Pennsylvania, and Texas as heavy rain and strong storms move through those regions, while New Zealand's MetService has placed an orange heavy rain warning for Eastern Bay of Plenty with up to 90mm of rain forecast. [5] A Flash Flood Warning remains in effect for central Mono County in northern California until 6:45 PM PDT after Doppler radar showed thunderstorms producing 1-2 inches of rain with flash flooding ongoing or imminent. [1] A Severe Thunderstorm Warning covers Gila County in east central Arizona until 5:15 PM MST with quarter-size hail expected to impact Young, Pendleton Mesa, Brushy Top Mountain and State Route 288. [2] A Severe Thunderstorm Warning is active for parts of Mercer, Venango and Butler counties in Pennsylvania until 8:15 PM EDT with 60 mph wind gusts and small hail that could damage roofs and siding. [3] A Severe Thunderstorm Warning has been issued for west central Glasscock County and southeastern Midland County in western Texas until 7:00 PM CDT with 60 mph wind gusts expected to damage roofs, siding and trees in mainly rural areas. [4] New Zealand has an orange heavy rain warning for Eastern Bay of Plenty in effect from 3pm until 3am tomorrow with up to 90mm of rain forecast for this afternoon and evening. [5]
California Flash Flood Warning
The National Weather Service in Reno has issued a Flash Flood Warning for central Mono County in northern California that continues until 6:45 PM PDT. [1] At 4:47 PM PDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area, with between 1 and 2 inches of rain having already fallen. [1] Flash flooding is ongoing or expected to begin shortly in the region. [1] The hazard consists of flash flooding caused by thunderstorms, with the source of the information listed as radar indicated. [1] Impacts include flash flooding of small creeks and streams as well as urban areas. [1] Residents in central Mono County should monitor local updates closely because the warning remains active through the evening hours.
Arizona Severe Thunderstorm Warning
The National Weather Service in Flagstaff has issued a Severe Thunderstorm Warning for Gila County in east central Arizona that is set to expire at 5:15 PM MST. [2] At 4:39 PM MST, a severe thunderstorm was located near Young, or 20 miles south of Forest Lakes, and was moving south at 10 mph. [2] The primary hazard associated with this storm is quarter size hail. [2] Radar indicated the presence of the severe thunderstorm. [2] Expected impacts include damage to vehicles. [2] Locations impacted include Young, Pendleton Mesa and Brushy Top Mountain, along with State Route 288 between those points. [2] Motorists and residents in these areas are advised to seek shelter from the hail threat until the warning expires.
Pennsylvania and Texas Thunderstorm Warnings
The National Weather Service in Pittsburgh has issued a Severe Thunderstorm Warning for southeastern Mercer County, southwestern Venango County and northern Butler County in Pennsylvania that remains in effect until 8:15 PM EDT. [3] At 7:37 PM EDT, a severe thunderstorm was located near Grove City and was moving east at 20 mph. [3] Hazards include 60 mph wind gusts and small hail, with radar serving as the source of the information. [3] Impacts involve expected damage to roofs and siding. [3] In western Texas, the National Weather Service in Midland has issued a Severe Thunderstorm Warning for west central Glasscock County and southeastern Midland County that continues until 7:00 PM CDT. [4] At 6:33 PM CDT, a severe thunderstorm was located 14 miles west of Garden City and was moving west at 25 mph. [4] The hazard centers on 60 mph wind gusts, with radar indicated as the source. [4] Impacts include expected damage to roofs, siding and trees, and the storm is expected to remain over mainly rural areas. [4]
Heavy Rain Warning in New Zealand
An orange heavy rain warning is in place for Eastern Bay of Plenty, with MetService forecasting up to 90mm of rain to fall this afternoon and evening. [5] The warning takes effect at 3pm today and will remain in force until 3am tomorrow. [5] MetService meteorologist Devlin Lynden noted that the heaviest falls are expected this afternoon and evening. [5] The region could see significant rainfall accumulation during the warned period. [5] Residents in Eastern Bay of Plenty should prepare for potential flooding and disruptions from the heavy precipitation through the overnight hours.
What to watch next: The active warnings will expire at their stated times, including the flash flood warning in Mono County at 6:45 PM PDT, the severe thunderstorm warning in Gila County at 5:15 PM MST, the Pennsylvania warning at 8:15 PM EDT, the Texas warning at 7:00 PM CDT, and the New Zealand orange warning at 3am tomorrow.






