BLIZZARDS

*

Image: "Song the the great Blizzard 1888 "Thirteen were Saved" or "Nebraska"s fearless Maid" Song and also Chorus through Wm. Vincent, released by Lyon & Healy, Chicago"

View larger

The climate of the good Plains an ar is punctuatedwith excessive variation in both temperatureand precipitation, and one that theseextreme weather events is the blizzard. A blizzardis a storm with sustained winds in excessof thirty-five miles every hour, temperatures below20ºF, and blowing or falling eye thatreduces visibility to less than a 4 minutes 1 mile.

You are watching: What time of year do blizzards occur

Although most common in winter, Plainsblizzards additionally occur in autumn and spring.The meteorological "stage" is set when a massof cold polar air moves quickly southwardfrom higher latitudes and also encounters a strongnorthward circulation of moist tropical air fromlower latitudes. As soon as a low-pressure cell encountersthe power difference in between thesetwo moment-g.comike air masses, it quickly grows instrength, becoming a "deepening low." as thelow-pressure cell strengthens, the feeds chin bypulling southward even greater amounts ofcold air and northward also larger amountsof heat air and also moisture. By the moment theblizzard reaches full intensity, that is no unusualto have actually severe thunderstorms and tornadoesacross the southern portion of this majorstorm. Snowfalls frequently exceed 1½ feet justnorth of the course of the low, and also wind chilltemperatures drop to life-threatening levelsacross the northern part of the storm. Thewinds pack the snow, making it incredibly difficultto go through and also to eliminate fromdriveways and also sidewalks. Return urbanhighways room usually opened up within a work orso the a blizzard, countryside roads regularly remain impassiblefor numerous days.

Blizzards have, on rare occasion, occurredas much south as northern Texas, yet they increasein frequency northward up the GreatPlains. Nebraska, for example, averages one totwo blizzards every year while the southernparts that the Prairie Provinces typical fromthree to five blizzards per year. The climatehistory of the an excellent Plains is replete through storiesof blizzards, yet two storms stand out.Most legendary is the "Blizzard of "88," whichoccurred in January 1888. The an ar fromTexas come Alberta was influenced by this paralyzingstorm. The suddenness of the blizzardconditions led to many human being losingtheir resides as they traveled even short distancesto your homes.

See more: 90 Kilometers Per Hour To Miles Per Hour, 90 Kmh To Mph ()

The blizzard the January 1975,called the "blizzard the the century," win thePlains from Kansas come Manitoba. This blizzardwas so fierce that it set all-time document lowpressurevalues because that the region.