Folic acid can hide the symptoms of an underlying vitamin B12 deficiency, which can cause permanent damage to the nervous system. Taking any one of the B vitamins for a long period of time can result in an imbalance of other important B vitamins.olic acid can hide the symptoms of an underlying vitamin B12 deficiency, which can cause permanent damage to the nervous system. Taking any one of the B vitamins for a long period of time can result in an imbalance of other important B vitamins.
Tornadoes can occur at any time of the year. In the southern states, peak tornado occurrence is in March through May, while peak months in the northern states are during the summer. In some states, a secondary tornado season occurs in the fall. Tornadoes are most likely to occur between 3 and 9 p.m. but have been known to occur at all hours of the day or night. The average tornado moves from southwest to northeast, but tornadoes have been known to move in any direction. The average forward speed is 30 mph but may vary from nearly stationary to 70 mph.
Tornadoes are possible in Minnesota from March through November, but the peak tornado month is June, followed by July, May, and August. The state averages 27 tornadoes per year. Minnesota is the driest state in the Midwest. Average annual precipitation across the state ranges from around 35 inches (890 mm) in the southeast to 20 inches (510 mm) in the northwest. Autumn weather in Minnesota is largely the reverse of spring weather.