Weather on Wednesday, May 1, 2024 – Labor Day with rain, cold and snow

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O The weather on Wednesday, May 1, 2024, will be marked by the presence of a mass of cold air, after the front passes on TUESDAY, and consequently a very significant drop in temperature – both minimum and maximum

So we will have a cold night, with ice and frost in some places where there is no precipitation (locally in the North and Central Interior), and in the afternoon, we will also have colder weather – there may be showers, which, if they occur, could be snow above 1000m – another day when the highest mountains will turn white

A Precipitation should gradually reduce throughout the afternoon, however May begins with somewhat wintry weather, reminiscent of Februaryand in some places there may also be hail fall

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The sea becomes a little rougher, with the presence of Atlantic depressions nearby – the anticyclone is also expected to weaken over the Azores

So, for those Azores, the forecast now calls for rain, with increased wind intensity – winter period starting in the archipelago

In Madeira, on the other hand, The weather doesn’t change much, remaining somewhat humid on the northern slopes, but generally dry!

We can see in the MetOffice forecast chart aAnticyclone to the North of the Azores, weakening, and a disturbed area over the Continent – producing showers, possible occasional thunderstorms, and bringing cold air – true Winter in May, for now – detailed forecast below!

WEATHER FORECAST ON WEDNESDAY, ON THE CONTINENT

SUMMARY: Generally cloudy skies north of the Montejunto-Estrela mountain system, but with open in the interior, especially in the morning. More sun to the south of the aforementioned mountain system. Periods of rain or showers, especially in the North and Centerwhich may be hail and accompanied by thunderstorms, especially between mid-morning and mid-afternoon. Fall of snow above 1000-1200m altitude. Moderate wind, and sea like some agitation

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Skies generally cloudy, with good open weather in the interior and southern region
Periods of rain or showers, sometimes with hail and the possibility of thunderstorms, especially on the coast in the early hours of the morning, becoming more frequent between mid-morning and mid-afternoon, and may include snow above 1000m in the North and 12001300m in the center of the country
To the temperatures drop, between 2 and 5ºC, in general
It will therefore be a day with temperature values maximum temperature of around 10 to 15ºC in the majority of the territory, with lower values appearing in the North, especially in the Interior, with values in general between 7 and 11ºC – and in some places in the South region the temperature will still be close to 20ºC, especially in the Algarve
The lows will be around 4 at 10ºC in most of the territory, to be expected lower values in the North, in the Interior, in particular, (2-5ºC), as well as in the mountains (negative above 1200m) and slightly higher on the coast (9-14ºC)
We predict wind generally weak in the early morning, becoming moderate from the morning onwards, and occasionally strong in the afternoon, especially on the coast and exposed highlands (3040km/h) and with gusts of up to 55km/h
A Sea water temperatures remain at around 15ºC on the North West Coast, and 15-16ºC on the rest of the West Coast
At the Algarve the sea will have a temperature of around 17ºC
Sea with waves up to around 1m across the West Coast
On the South Coast of the Algarve we will have waves up to 1m, also
UV radiation: 45 (High)

To illustrate this prediction we leave the temperature forecast by the ARPEGE model, which can see a relatively cold day for the season, and precipitation forecast (hour by hour) by the IFS-ECMWF model

Please note that the forecast may differ from reality, it only serves to give an indication from numerical forecast models.

TEMPERATURES ON WEDNESDAY (ARPEGE)

PRECIPITATION, WEDNESDAY

Precipitation WEDNESDAY

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WEATHER FORECAST ON WEDNESDAY, IN THE AZORES

Summary: This Wednesday, In the Azores, we expect more clouds, with rain, especially on the Western and Central islands in general. Wind becoming strong, from the Southwest, especially in the Western and Central islands, with rougher seas, too. mild weather

Generally cloudy skies, becoming slightly cloudy until late morning in the Eastern Islands
Periods of rain in the Western and Central islands, especially from midlate morning, moderate to heavy
Temperatures should remain unchanged compared to previous days
Wind generally weak to moderate, from the Southwest (1025km/h), gradually becoming moderate to strong (35-50km/h) and with gusts of up to 65km/h in the Western and Central islands
We predict temperatures between 14ºC to 16ºC (minimum), It is 17 to 22ºC (maximum), a mild and relatively pleasant day
Gradually rougher sea, with waves of up to 3m, from the Southwest, from the afternoon onwards, on the Western and Central islands, and up to 1-2m on the Eastern islands
Sea water around 18ºC temperature
UV radiation: 4-5 (High), being 78 (Very high) in the Eastern group

To this day we can see, by the ECMWF model, the 24-hour precipitation forecast in the Azores

PRECIPITATION, AZORES – ECMWF – WEDNESDAY

Weather on Wednesday, May 1, 2024 - Labor Day with rain, cold and snow - Complete forecast

WEATHER FORECAST ON WEDNESDAY, IN MADEIRA

Summary: We expect another day for this Wednesday with some humidity in the Madeira, with a Northwest flow, similar to the previous day, with many clouds on the northern slopes and mountainous areas and more open on the southern slopes – and with the occurrence of some light precipitation – although not significant – temperatures without major changes – light wind

Generally cloudy skies (possibility of open weather on south-facing slopes)
Light showers or periods of rain on the northern slopes and mountainous areas of Madeira Island from mid-afternoon onwards
Wind generally weak to moderate, between 10 and 20km/h, from the Northwest – very calm
We expect maximum temperatures of up to 21 or 22ºC and minimum temperatures between 15 and 18ºC
UV radiation: 78 (High to very high)
Sea with waves up to 1 to 1.5m overall
Sea water at around 21ºC of temperature

A somewhat humid day, with precipitation especially in the middle of the afternoon, as well as more clouds in some points more exposed to the slightly wetter flow of the Northwest quadrantwith more open areas on the southern slopes, and in the following days with the expected evolution it may eventually become drier – continue to follow our daily forecasts HERE

We can see in the letter below, by the ECMWF model the evolution of precipitation hour by hour according to this model’s forecast

Weather on Wednesday, May 1, 2024 - Labor Day with rain, cold and snow - Complete forecast

NEXT DAYS – WHAT TO EXPECT?

Early summer arrived in April, but May clearly doesn’t start that way…

April is over and now we still have winter weather? Yes, it’s a little like that! – temperatures are low, and are expected to remain so in the coming days, and with precipitation at least until the 5th-6th of May, perhaps with one or two days of interruption in between

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You can see this Full weekly forecast available on our website (April 29th to May 5th)

Both highs and lows should be closer to winter normalsand therefore snow may appear occasionally at altitudes of around 1000 to 1400m at the end of April and beginning of May – the mountains will turn white again, as was the case with Serra da Estrela on Saturday, and it is necessary to monitor the evolution day by day, given the instability in forecasts, to understand at what altitudes it could snow each day

At the beginning of May, stability should gradually returnbut in the period Until May 5-6, we will continue to feel the weather a little more reminiscent of Winter, with instability, cool weather, showers, possible thunderstorms and the likelihood of snowfall. Perhaps it will be more stable later, but there is still no high confidence in this scenario – to be monitored

April wasn’t great at all, but it still brought us a surprise – the models were very good at predicting this change, which was driven by the final warming of the stratosphere, and temporarily “threw” us back to temperatures close to normal winter temperatures. Given the consensus, it is now a very likely scenario that will continue for at least 56 days

In the Azores the stable weather may now remain stable for a few days, but it is possible that instability will return at the beginning of May – at the moment it is difficult to predict more than 3/4 days in the Azores, the atmosphere is very dynamic – we will see how it evolves!

In Madeira we expect humid weather, the possibility of some precipitation for a few more days…. This pattern could last as long as the anticyclone does not recover, which is not expected for now.

The heatthis, however, He left and shouldn’t be coming back soon

Continue to follow all our forecasts to always stay up to date with all the changes that arise!

For In May, the outlook is warmer again on the Continent – right at the end of the first week, although still an uncertain prediction! – we’ll see how it evolves!

Weather on Wednesday, May 1, 2024 - Labor Day with rain, cold and snow - Complete forecast

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FINAL NOTES AND SOURCES USED FOR INFORMATION

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