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Dense fog greeted morning commuters and residents of Dubai as they head out to start the day. Antonie Robertson / The National
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Early morning fog shrouds the Dubai Expo 2020 metro line near Discovery Gardens on Tuesday. Pawan Singh / The National
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A deluge of mist and fog this week followed one of the coldest starts to January in years. Pawan Singh / The National
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Drivers were urged to be cautious as poor conditions made the roads perilous. Pawan Singh / The National
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An eerie image of Discovery Gardens near Jebel Ali early on Tuesday. Pawan Singh / The National
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Tuesday's fog lingered for several hours, slowing traffic and leading to length tailbacks
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A petrol station shrouded in early morning fog on Tuesday. Pawan Singh / The National
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Dense fog greeted morning commuters and residents of Dubai And Abu Dhabi as they headed out to start the day. Antonie Robertson / The National
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Visibility was down to a few dozen metres in many areas. Antonie Robertson / The National
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Workers work along the side of the E10 highway in Abu Dhabi. Victor Besa / The National
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The fog affected most parts of the country on Tuesday
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Police reduced speed limits on many major roads as the bad weather impacted visibility
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Fog is a visible aerosol of minuscule water droplets – like a cloud on, or just above, the ground
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/LQARGG3N5ZD2PFFX5BDEV6C7TQ.jpg?smart=true&auth=e3de9069a04c5f08bccfdf7e5f12818fd9500024a2aa5aa6c4645a75530b1599&width=400&height=225)
The blanket stretched all the way from the coast to deep inland, almost reaching the UAE’s borders in the south
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Forecasters issued a red alert as visibility dropped to less than 1,000m, and police warned drivers not to exceed 80kph
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First introduced in 2019, the variable speed limit system is activated during bouts of bad weather, such as heavy rain, fog or during sandstorms
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Anyone driving faster than 80kph when variable speed limits are in force will be fined
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The decision to reduce speed limits made using weather reports, sensors installed on smart gates that estimate the visibility range and reports from police patrols
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The fog season begins in mid-December and runs until the end of March, aided by clear skies and calm conditions
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Dense fog greeted morning commuters and residents of Dubai as they head out to start the day. Antonie Robertson / The National
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Early morning fog shrouds the Dubai Expo 2020 metro line near Discovery Gardens on Tuesday. Pawan Singh / The National
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A deluge of mist and fog this week followed one of the coldest starts to January in years. Pawan Singh / The National
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/XR23OGYSTBUXCWH3QGHDFBRQ7M.jpg?smart=true&auth=e5ff0c0fc1c7f219de0f824a59e7a828539322a36b3fd82919dd9b21d98ad872&width=400&height=225)
Drivers were urged to be cautious as poor conditions made the roads perilous. Pawan Singh / The National
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/CKYSAW3KJJE42ISHUVFBKFIW2I.jpg?smart=true&auth=49e6df7133c0f709c746b1fb2f1d229dd896f9a501a0d3d72172a67fc578bc36&width=400&height=225)
An eerie image of Discovery Gardens near Jebel Ali early on Tuesday. Pawan Singh / The National
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Tuesday's fog lingered for several hours, slowing traffic and leading to length tailbacks
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/LVTJDXGZCJMSPTBFREUDDWII3Y.jpg?smart=true&auth=bccf497fd7ad606a5ed1f054c782b1acfbdf7267fbbf1ab52db673dc857787c4&width=400&height=225)
A petrol station shrouded in early morning fog on Tuesday. Pawan Singh / The National
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Dense fog greeted morning commuters and residents of Dubai And Abu Dhabi as they headed out to start the day. Antonie Robertson / The National
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/7CHQYTKPMPBTDS3PFBUAFWQQDU.jpg?smart=true&auth=0da7c23b031619e445b1a4fcab46ed01a5b246dce4b18cdc75c40d3dd7774366&width=400&height=225)
Visibility was down to a few dozen metres in many areas. Antonie Robertson / The National
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/6UOZGLCDM7IDKKT7VJO6AMONVA.jpg?smart=true&auth=76fa8d92eeb99ab468189299e030bceab0498f7b30fd24ed52d09c42f5d35932&width=400&height=225)
Workers work along the side of the E10 highway in Abu Dhabi. Victor Besa / The National
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/35W4365262DRH2SZDBM4HVLT74.jpg?smart=true&auth=a87226337f6cb9ef7c8d2c9f051dcaf1a73a2c3ea0427bca45bd927a51b5edad&width=400&height=225)
The fog affected most parts of the country on Tuesday
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ZZUK7SDPOWVU77MQIRVABJSNEM.jpg?smart=true&auth=5350fa3bcd481d4285da9dc350c4f5d8de187282e3eca9666a673e57069ebda0&width=400&height=225)
Police reduced speed limits on many major roads as the bad weather impacted visibility
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/M6NOSFRFKATN5MKIZGHFVL7NTQ.jpg?smart=true&auth=0b1299865254f9305e6fa047b3adacb32313221d81f1a9714b5954d45fc8273d&width=400&height=225)
Fog is a visible aerosol of minuscule water droplets – like a cloud on, or just above, the ground
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/LQARGG3N5ZD2PFFX5BDEV6C7TQ.jpg?smart=true&auth=e3de9069a04c5f08bccfdf7e5f12818fd9500024a2aa5aa6c4645a75530b1599&width=400&height=225)
The blanket stretched all the way from the coast to deep inland, almost reaching the UAE’s borders in the south
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/SLYALZM3LFBOJTHLVKGCB2AWS4.jpg?smart=true&auth=f75671f72d360e94f9471e688dcc0ca66d78a87d1e70fc03a1532fe6c5057f93&width=400&height=225)
Forecasters issued a red alert as visibility dropped to less than 1,000m, and police warned drivers not to exceed 80kph
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/NPJ4AT2VYYIZRKKAXRUDSKSGUY.jpg?smart=true&auth=2583e9b0dd176663138335858eb6cd67514147e9cfc9dd71b51a808169e99f2e&width=400&height=225)
First introduced in 2019, the variable speed limit system is activated during bouts of bad weather, such as heavy rain, fog or during sandstorms
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/VMMEXT2D26C36MJ5G3GMBZYREA.jpg?smart=true&auth=aa87273ffc95bcb5f8260f2e923d3baf9d19f24dac237f3bd473667694bd2806&width=400&height=225)
Anyone driving faster than 80kph when variable speed limits are in force will be fined
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/TX6YX4ZZTPWHGJQY4IHHV5HZG4.jpg?smart=true&auth=07abca134fd98729d57ab94c399b12cc4b9644559194756f3ff797ce1e0ae9bb&width=400&height=225)
The decision to reduce speed limits made using weather reports, sensors installed on smart gates that estimate the visibility range and reports from police patrols
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/ZXESGOEEXECIP6WDECG3ZZ5C6A.jpg?smart=true&auth=7a8206dcbedd165dd7b2802fc2ebb6144cc365c0e75e7027957a8352b9ebabb7&width=400&height=225)
The fog season begins in mid-December and runs until the end of March, aided by clear skies and calm conditions
![](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/WGIZ4ZFUGCU3QQ3AHTCCIBOV5A.jpg?smart=true&auth=7b2dc852fe49679b4339485e1d7aa467ccd0bbcf1543a7a964ab9a0aba7909df&width=400&height=225)
Dense fog greeted morning commuters and residents of Dubai as they head out to start the day. Antonie Robertson / The National
UAE weather: Speed limits reduced on major roads as thick fog descends
Temperatures will reach 26°C in Abu Dhabi and 25°C in Dubai once the fog clears
![Gillian Duncan](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/https%3A%2F%2Fs3.amazonaws.com%2Farc-authors%2Fthenational%2F736ebb26-e270-44c5-96a2-80452d783888.png?smart=true&auth=6b2c4dc0614f332daaa4e848c41f090496fd16da3ccccaa940132372e6a74710&width=70&height=70)
Gillian Duncan
19 January, 2021
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