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Excessive Lightning; Derecho; Extreme wind (70 mph or greater) Downpours; Heavy rain; Flood, flash flood, coastal flooding; Hail; High winds – 93 km/h(58 mph) or higher. Lightning; Thundersnow, Snowsquall; Tornado; Windstorm (gradient pressure induced) Severe thunderstorm (hailstorm, downburst: microbursts and macrobursts)
Airport weather warning AWW – Addresses weather phenomena (including but not limited to surface wind gusts around or above 40 knots (46 mph), freezing rain, heavy snow or thunderstorms producing cloud-to-ground lightning within 5 miles [8.0 km] of the airport and/or 1 ⁄ 2-inch [1.3 cm] hail) capable of adversely affecting ground operations ...
Acid rain is also a frequent risk produced by lightning. Distilled water has a neutral pH of 7. "Clean" or unpolluted rain has a slightly acidic pH of about 5.2, because carbon dioxide and water in the air react together to form carbonic acid, a weak acid (pH 5.6 in distilled water), but unpolluted rain also contains other chemicals. [58]
The heavy and widespread rain will slow the wildfires burning in Oregon’s Cascade Range, but it won’t mean the end of the fire season. ... Oregon gets widespread rain, 3,379 lightning strikes ...
As a storm intensifies and travels northeastward, a swath of heavy rain will profoundly impact travel in coastal areas of the upper mid-Atlantic and New England into Monday afternoon, AccuWeather ...
[35] [36] The squall line typically contains heavy precipitation, hail, frequent lightning, strong straight line winds, and possibly tornadoes or waterspouts. [37] Severe weather in the form of strong straight-line winds can be expected in areas where the squall line forms a bow echo, in the farthest portion of the bow. [38]
The Met Office forecast up to 350mm of rain in some areas after 51 died during flash floods in Valencia Tourists in Spain warned of heavy rain, lightning and hail after deadly flash floods Skip to ...
Cumulonimbus are a notable hazard to aviation due most importantly to potent wind currents but also reduced visibility and lightning, as well as icing and hail if flying inside the cloud. Within and in the vicinity of thunderstorms there is significant turbulence and clear-air turbulence (particularly downwind ), respectively.