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March 2011
North Country Monthly Climate Summary

TEMPERATURE SUMMARY...



TEMPERATURE STATISTICS ACROSS THE NORTH COUNTRY FOR THE MONTH OF MARCH...

  Burlington Montpelier Massena Saint Johnsbury
Avg. Temp 29.8 25.1 29.3 28.2
Departure -0.9 -4.0 +0.4 -2.8
Highest 58 on 18th 45 on 6th 56 on 17th 59 on 18th
Lowest -2 on 3rd -8 on 4th -6 on 3rd,8th -10 on 4th

Below are daily temperature graphs for the month of February for Burlington, Montpelier, Massena, and Saint Johnsbury.

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PRECIPITATION SUMMARY...

For most locations in Vermont and northern new York, March precipitation totals were above average, with monthly preciptiation anomalies ranging between a half-inch to a little over an inch above average. A large portion of this precipitation fell on March 6th and 7th, when a major winter storm struck the region. In this particular storm, snow totals were the highest across northern Vermont and northern New York, where 1 - 2 feet of snow was common; in central Vermont, snow totals were lower (approaching a foot), but also mixed with ice. With 25.8" of snow, this storm set a record for the heaviest March snowstorm of all time at Burlington International Airport, eclipsing the previous record of 22.9" that fell on March 5-6, 2001. It was also the 2nd heaviest snowstorm of all time at Burlington, ahead of the Valentine's Day Snowstorm of 2007.

PRECIPITATION STATISTICS ACROSS THE NORTH COUNTRY FOR THE MONTH OF MARCH...

  Burlington Montpelier Massena Saint Johnsbury
Monthly Total " 3.39 3.79 2.99 3.70
Departure +1.07 +1.31 +0.54 +1.13
Greatest 24hr 1.34 on 7th-7th 1.87 on 6th-6th 0.78 on 10th-10th 1.72 on 7th-7th
SNOW/SLEET
Monthly Total " 29.3
Greatest 24hr 17.1


BURLINGTON FORECAST AREA ACCUMULATED MONTHLY PRECIPITATION (IN INCHES) FOR THE MONTH OF MARCH

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BURLINGTON FORECAST AREA ACCUMULATED MONTHLY SNOWFALL (IN INCHES) FOR THE MONTH OF MARCH

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MONTHLY WEATHER PATTERNS AND GLOBAL CLIMATE DRIVERS...

The 500 MB geopotential height anomalies for March show large negative anomalies over the northeast Pacific Ocean and the coast of the Pacific Northwest (cool colors in Fig. 5), and slightly above average height anomalies across the southern and central U.S. (warm colors in Fig. 5). The large negative anomalies over the northeast Pacific is consistent with a large upper-level trough that maintained itself for a large part of the month. The positive height anomalies imply the presence of an upper-level ridge. The jet stream associated with this pattern generally stretched across the southern Rockies, Midwest, and the eastern states.

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La Nina continued to steadily weaken through March, marking the 3rd consecutive month of steady weakening. By the end of March, sea surface temperature anomalies over the equatorial Pacific Ocean basin (used to monitor ENSO conditions) ranged between -0.3 to -0.8 degrees Celsius.

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Page last modified: February 21, 2007
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Figure 1: Burlington Monthly Temperature Trend
Figure 2: Montpelier Monthly Temperature Trend
Figure 3: Massena Monthly Temperature Trend
Figure 4: Saint Johnsbury Temperature Trend
Figure 5: Monthly Precipitation Map
Figure 6: Monthly Snowfall Map
Figure 7: 500MB Geopotential Height Anomalies