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Tue, 07 Apr 2020
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Snowflake

Record snowfall in Nagano City, Japan

Brightly blooming red plum blossoms coated with wet, heavy snow.

On the 24th of March came winter-type weather in the prefecture, with snow falling mainly in the north accompanied by cold air.

According to the Nagano Regional Meteorological Observatory, the 12-hour snowfall in Nagano by noon was 14 cm, the highest in March's observation history.

Snowflake Cold

Late heavy frost hits produce in Poland

frost
Poland received its first heavy frost of the year, it seems.

Included are pictures shared on Twitter by Fruitteeltonline, it's unsure how much produce has been damaged.

Another very cold night is expected, with temperatures of -6 degrees Celsius in some parts of Poland.

Cloud Precipitation

Heavy hailstorm causes collapse of Mexico City market

Hailstorm causes roofs to collapse at Mexico City's main food market

Hailstorm causes roofs to collapse at Mexico City's main food market
A hailstorm that hit Mexico City Saturday caused the collapse of two sections of roof over a market warehouse that left five injured and six trapped.

Myriam Úrzua, secretary of Gestión Integral de Riesgos and Protección Civil said the collapse happened in Iztapalapa around 6:17 p.m. in the vegetable area of Central de Abasto. He explained that during a heavy hail storm, two sections of roof collapsed due to the weight of the accumulation of hail.


Cloud Precipitation

Storm brings more flooding to Cartagena, Spain - 4th such event in 7 months

floods
The fourth clean-up in 7 months begins in Los Alcázares

The latest heavy storm to cause flooding in Los Alcázares and other towns and villages in the Campo de Cartagena and along the coastline of the Mar Menor was rather less expected than the other three which have hit the Costa Cálida since last September, but the amount of rain it brought with it was very significant indeed in the south-east of the Region of Murcia and in and around the regional capital.

The Aemet national weather summary for Tuesday 24th March makes for very unusual reading in that eight of the ten wettest places in Spain were in the Region of Murcia! Heading the list is the city of Cartagena with 121.2 millimetres, followed by Alhama de Murcia (90.6), Mazarrón (86.6), Torre-Pacheco (84.8), Fuente Álamo (83.0), San Javier, La Manga and the city of Murcia. The top ten is completed by Pinoso in the province of Alicante (Very close to Jumilla in the north of Murcia) and the north African enclave of Ceuta.


Attention

Explosive eruption by Shiveluch volcano in Kamchatka, Russia

Shiveluch
KVERT recorded one explosive eruption today that generated an ash plume which reached approx. 32,800 ft-49,200 ft (10,000 m-15,000 m) altitude and drifted NW.

The volcano's lava dome remains in a very active state with elevation at 2,500 m.

Ongoing activity could affect international and low-flying aircraft.

Source: Kamchatka Volcanic Eruption Response Team volcano activity update 25 March 2020

Nebula

It's springtime, and STEVE is back

STEVE taken on March 22, 2020 @ Fermont, Quebec, Canada
© Jocelyn Blanchette
STEVE taken on March 22, 2020 @ Fermont, Quebec, Canada
It's springtime, and STEVE is back. Jocelyn Blanchette photographed the purple ribbon over Fermont, Quebec, on March 22nd. "STEVE was right beside Venus," she says.

STEVE (Strong Thermal Emission Velocity Enhancement) looks like an aurora, but it is not. The phenomenon is caused by hot (~3000°C) ribbons of gas flowing through Earth's magnetosphere at speeds exceeding 13,000 mph. Glowing with a soft-purple hue, these ribbons sometimes appear when Earth's magnetic field is unsettled by the solar wind.

Studies show that STEVE tends to occur more frequently during spring and fall than summer and winter. The onset of northern spring seems to lure the arc out of winter hiding. That means *now* is the time to look for STEVE.

STEVE's usual habitat lies between latitudes +50N and +55N; Blanchette's hometown is located squarely in that range: +53N. Recently, however, sky watchers have been seeing STEVE farther north, as high as +63N. Is STEVE's range increasing?

Comment: Our atmosphere is changing, see also:


Tornado1

Rare tornado emergency issued after twister rips through Tishomingo, Mississippi

The tornado-warned thunderstorm as it hit the Tishomingo, Mississippi
© Facebook/barrett Gutter
The tornado-warned thunderstorm as it hit the Tishomingo, Mississippi, area on Tuesday evening.

A "large and destructive" tornado tore through northern Mississippi and northern Alabama on Tuesday evening, leaving behind a trail of damage and prompting a dire warning to be issued for those in its path.

Severe thunderstorms began to blossom over the Tennessee Valley late Tuesday afternoon, and by 5:35 p.m. CDT, the National Weather Service (NWS) confirmed that there was a tornado bearing down on Tishomingo, Mississippi.

Almost immediately, damage was being reported out of the town in the northeastern corner of Mississippi, including a Dollar General that was left with substantial damage. Fortunately, only minor injuries have been reported, according to WTVA.


Seismograph

7.2 magnitude earthquake rocks Russia's Far East - UPDATE: Small tsunami strikes Kuril Islands

The Kuril Islands and the epicenter of the 7.5m quake
© United States Geological Survey / Screenshot
The Kuril Islands and the epicenter of the 7.5m quake, seen in the ocean to the southeast.
A 7.2-magnitude quake has struck Russia's Far East region, striking off the Kuril Islands and prompting a tsunami warning for the sparsely populated region.

The quake was felt across the region on Wednesday afternoon local time, with a depth of 56.7km (35 miles). There are no reports of damage or casualties as of yet.

The earthquake triggered a tsunami alert in Hawaii, 5,600 kilometers away, but it was soon called off, with the US National Tsunami Warning Center concluding there was no danger to the small Pacific island chain.

A tsunami warning was also issued for Severo-Kurilsk District of Russia's Sakhalin Region, a local branch of the Geophysical Survey of the Russian Academy of Sciences reported.



Comment: Three days ago Croatia's capital Zagreb was rocked by a 5.3M earthquake, the strongest to hit the city in 140 years.

UPDATE

UrduPoint reports that a small tsunami did indeed strike the northern Kurils:
A magnitude 7.6 earthquake occurred some 500 kilometers (300 miles) from the Russian Far Eastern city of Petropavlovsk-Kamchatsky, the Kamchatka office of the Geophysical Service of the Russian academy of Sciences said.

"Earthquake 14:49 (02:49 a.m. GMT), max magnitude 7.6, total of 463 kilometers from Petropavlovsk-Kamchatsky. The data will be specified," it said.

No casualties or destruction have been reported by regional emergencies services.

There is a risk of tsunami in the North Kuril area after the earthquake, the Yuzhno-Sakhalinsk seismological station's head, Yelena Semenova, told Sputnik.

The authorities said residents were being evacuated on the Kuril island of Paramushir due to the tsunami threat.

Later in the day, the the department of the Russian Emergencies Ministry in Sakhalin island region said that the height of a tsunami wave in Severo-Kurilsk town was 50 centimeters (1.6 feet).

"The tsunami wave with the height of 50 centimeters hit Severo-Kurilsk at 03:15 p.m. local time [04:15 GMT]. There were no preliminary reports about injuries or damage. The threat of tsunami remains, that is why residents of Severo-Kurilsk will stay in a safe area on a hill. Experts will make a decision to cancel the alert after the low tide begins," the statement said.



Cloud Lightning

Storms and devastating floods continue in the Middle East

floods
Heavy storms cause flooding in Saudi Arabia, United Arab Emirates and Oman, March 22-24, 2020


Sources

Snowflake

Snow and hail hit southern Italy as temperatures plunge

snow
The end of March is set to be unusually cold across much of Italy after weeks of mild weather, with wind, rain and even snow in some places this week.

Some parts of southern Italy woke up to snow or hail on Tuesday morning and temperatures dropped across the country as a cycle of freezing air moved in from Russia across parts of the Mediterranean.

The south-east cast of Italy, which has been basking in unusually high temperatures of around 20 degrees, saw snow and hail on Tuesday morning as temperatures plunged.