Mark Seltzer

Registered Meteorologist. Thunderstorm and weather photography. Adhoc Stormchasing. See website.

[Mark Seltzer @electricsky_uk]

And the #lightning just keeps on coming from #stormherminia. Loud low-topped winter squall hits #exeter at 5am, with hail in my face. Video of best bits...
https://t.co/hSR21p5rYX via @FacebookWatch

[Mark Seltzer @electricsky_uk]

Potential instability was released nicely on the rear of Storm Herminia's occluded front. 1325L Exeter 26th Jan #thunderstorm #stormherminia

[Mark Seltzer @electricsky_uk]

Exeter, UK ~ 00:23
11th Oct. Holy Moly. Extreme G5 Geomagnetic Storm
Look at those colours! #Auroraborealis @bbcweather @metoffice #Exeter

[Mark Seltzer @electricsky_uk]

@barnasecreta Absolutely. I have a better resolution image if you like (contact email details on https://t.co/jySNOrOO1E)

[Mark Seltzer @electricsky_uk]

Was not expecting to see the #Aurora in #Barcelona

[Mark Seltzer @electricsky_uk]

@naiadqueen Oh it did.

[Mark Seltzer @electricsky_uk]

@naiadqueen Apologies didn't see your message. I was in Barcelona City. 2nd night didn't give a show

[Mark Seltzer @electricsky_uk]

Probably the most frequent #volcanic #lightning ever captured. Mount #Ruang last week.

[Mark Seltzer @electricsky_uk]

@notkindofokay @UKWeatherChase @StormHour @metoffice Hi Kev. It's technically rising stratocumulus... low cloud... doesn't really have a name except for being the undercarriage of an Arcus/Shelf cloud (also known as Whales Mouth because its like a... whale's mouth!) formed from an invisible pool of cold air pushing warm air up

[Mark Seltzer @electricsky_uk]

#aurora was visible last night from #Dartmoor despite only reaching Kp6 moderate storm. Impressive photography @UKWeatherChase good job fellas.

[UK WEATHER CHASE @UKWeatherChase]

Cracking view of the Aurora last night on #Dartmoor! #NorthernLights #Aurora

[Mark Seltzer @electricsky_uk]

Monster Mt #Ruang eruption today, and this video preceded it with an apparently 2km high lava fountain and constant #volcanic #lightning. Nature's fury.

[Volcaholic 🌋 @volcaholic1]

Ruang in Indonesia this evening 🌋⚡️👀👀

📷 Vieko Kristianse Rompas (PGA Karangetang)

[Mark Seltzer @electricsky_uk]

@RoostWeather I love the visibility trace as well, 75km during the jet core. #descendingair

[Mark Seltzer @electricsky_uk]

Record breaking "Sting Jet" in Exeter today. Thanks @RoostWeather for the analysis.

[Dan Harris @RoostWeather]

81mph at #Exeter Airport No2 a record for the site which opened in the early 1990s, and the 3rd strongest at Exeter Airport overall (including the original ob site).

Only 83mph on 28/02/1990 and 85mph on 25/01/1990 (Burns Day Storm) were stronger.

#StormHenk

[Mark Seltzer @electricsky_uk]

@MetWatchUK @Djpuco @danholley_ @RoostWeather @PaulKnightley @PaulBlight6 @Jersey_Met @TorroUK @simon_culling @PavanFederico00 @WxNB_ Definitely a tornado. You can see the debris curling round and very focused damage. Frequent Lightning overhead. Also this would have occurred in the convective bit near the middle of the low where the strongest winds of Ciaran weren't present.

[Mark Seltzer @electricsky_uk]

Otis - one of the most rapidly developing hurricanes on record. Cat1 to Cat5 in less than 12 hours.

[NWS Weather Prediction Center @NWSWPC]

This is an animation of the explosive intensification and landfall of Hurricane Otis near Acapulco, Mexico yesterday morning via GOES-West rapid scan of infrared images every minute together with lightning locations (flashing plus and minus signs) and surface observations.

[Mark Seltzer @electricsky_uk]

#exeter #flooding during a localised #thunderstorm at 1315L 17th Sept 2023. Lots of reports of flooding and leaking roofs across Exeter.

[Mark Seltzer @electricsky_uk]

Jet Stream timelapse earlier in the month. #Weather #lenticular
https://t.co/E5yS8mGQQ5

[Mark Seltzer @electricsky_uk]

@wxfantasies All available models. The more the better as long as you understand their individual characteristics and limitations. Low res for general setup, high res for smaller detail. Then Met experience and observations take over on the day. I rarely chase in the UK, but this day was 🔥

[Mark Seltzer @electricsky_uk]

Sunday's epic #thunderstorms delivered a barrage of positive CGs as viewed from the #Oxford/#Newbury/#Farnborough area. Chasing with @UKWeatherchase. Videos coming soon

[Mark Seltzer @electricsky_uk]

@heafichick Yeah that's why we left Devon that day to get into the action (nothing was expected in the southwest) Comparitively hard to get big storms in the southwest for a number of reasons

[Mark Seltzer @electricsky_uk]

Today we chased a monster linear MCS squall line from birth to near-death as it fired in west #London and steamrolled all the way to the west country. Bearly kept up with it. Co chasing 420 miles with @UKWeatherChase great teamwork. Check out footage coming SOON. #thunderstorm

[Mark Seltzer @electricsky_uk]

@MetSwirl We drove from Devon to chase this storm, ended up in Didcot and in front of the bow echo near the southern most arrow. Can confirm the winds! Nothing but positive CG too, very mid-west. It chased us all the way back to the M5. Myself and @UKWeatherChase have some footage to come