Psychrometrics

Today, fog or low clouds will remain almost throughout the day in many areas in the plains, valleys and around the rivers. In these areas daytime temperatures will remain low, mainly between 2C and 7C, while the mountains will be sunny, with temperatures up to 10-12C, in Sofia - about 7C. Atmospheric pressure will be higher than the average for the month.

Today, most of the country will be mainly sunny and fairly calm.  

Before noon, many areas in the plains and valleys will be foggy. Maximum temperatures will reach 7C to 12C, but will remain lower in areas with persistent fog. Atmospheric pressure will drop, but will stay higher than the average for the month.

It will be mostly sunny today, with low clouds or fog in lowland areas and along the Danube.

In most areas it will be fairly calm, with light to moderate southwest wind in eastern Bulgaria. Maximum temperatures mostly between 4C and 9C, lower in areas with persistent fog. Atmospheric pressure will drop slightly, but will stay higher than the average for the month.

The conditions for tourism in the mountains are bad. This was reported by the Mountain Rescue Service (PSS) at the Bulgarian Red Cross, FOCUS News Agency reported.

Today, broken middle and high clouds are expected across the country. It will be a calm morning, with fog in some plains and valleys. Light to moderate southwest wind will start blowing during the day.

Today, broken middle and high clouds are expected across Bulgaria. Fog is forecast for some places in plains and lowland areas. It will be pretty calm, with maximum temperatures ranging widely, from 8C -10C in areas with lingering fog up to 17C - 18C in higher parts of the country.

Heavy fog blanketed Ankara late on Dec. 17, paralyzing life in the capital as surface visibility was reduced to nearly zero at night.

Today, most of the country will be dominated by sunny skies. In the evening, broken medium and high clouds will come from the west. In areas in southeastern Bulgaria and along the Danube, fog will remain almost throughout the day.

Drivers are advised to drive with caution and consistent speed on the Struma highway and the first-class I-1 road in the area of Kresna and Strumyani due to fog with a visibility of up to 5 meters, the Road Infrastructure Agency warned.

Today, warm air masses will continue to move from the southwest. Most of the country will be sunny. Along the Danube valley, in valleys and in the Upper Thracian Plain, there will be fog or low layered clouds; in most places around noon visibility will improve and clouds will break. It will be fairly calm.