Search results (1,739)

to support you with discussing tornadoes. What is a tornado? A tornado is a rapidly rotating column of air that reaches between the base of a storm cloud and the Earth’s surface. They form in very unsettled weather conditions as part of severe thunderstorms. Many conditions need to be present

New WAFC SIGWX Verification When developing the new automated WAFS SIGWX forecasts, checks have been made to ensure that the forecast areas of cumulonimbus cloud, icing and turbulence provided within these forecasts have a good level of accuracy and are at least as good as, if not better than

warm for many and muggy in the south.  Tonight, any showers or thunderstorms will ease and it will leave a largely dry night, with some clear spells. Some isolated mist and fog patches will form in places by dawn and some thicker cloud around northeast coasts.  The new week begins with a bang courtesy

Volcanic Ash – 1500 UTC annotated satellite image Issued 1500 UTC on Tue 22 Sep 2015 EXERCISE MEDIUM CONFIDENCE PIREP of VA at FL200, but unable to verify from satellite imagery due to cloud obscuration HIGH CONFIDENCE- VA partially visible on satellite imagery in these two areas with IMO doppler

Key to weather symbols Key to weather symbols Sunshine and showers Sunny Cloud and rain Sunshine and showers Sunny Cloud and rain Cloudy and snow Cloudy Thunder and lightning

and dry conditions across much of the UK, with sunny spells developing through the day. Inland areas may see some convective cloud build-up during the late morning and afternoon, but this is expected to be short-lived. Northern and northwestern Scotland will be cloudier, with showery rain likely

persistent across western and northwestern Scotland, particularly over windward hills and mountains. Coastal gales are likely along the west coast of Scotland, where a National Severe Weather Warning is in force. As the day progresses, this cloud and rain will gradually extend into parts of northwest Wales

Thursday begins on an unsettled note, particularly in the far southeast, where heavy showers and thunderstorms are expected during the morning. These will gradually clear offshore, making way for a more widespread band of cloud and rain moving in from the north and west. As this system progresses

Volcanic Ash – 2145UTC annotated satellite image Issued 2130 UTC on Thu 07 Aug 2014 TEST TEST TEST TEST TEST TEST LOW CONFIDENCE- PIREP report of VA at FL180. to north of Bardabunga but cloud obscuring area on imagery HIGH CONFIDENCE- IMO radar discerning VA in layers to FL460 to southwest

High pressure is dominant over the UK over the weekend, bringing a good deal of dry and fine weather, albeit with varying amounts of cloud.   Monday’s Bank Holiday for Northern Ireland, England and Wales will see a continuation of the settled weather, with potentially some long periods of sunshine