Snowfall followed by dry air:
4.0" at Isabella
1.5" at Embarrass, Kabetogama, and Ely
In addition Orr reported 3.0", Tower 2.0", and International Falls 1.9" but these were not new record totals for the date. Following the snow, the low temperature plunged to just 10°F at both Fosston and Embarrass, the coldest reading in the nation for April 23rd. The snowfall rapidly melted due to temperatures rebounding closer to normal following the cold snap of April 20-23. The temperature climbed all the way to 63°F at Luverne on Thursday. Elsewhere temperatures climbed into the 50s F on Thursday (April 23), with unusually dry air. In fact MSP set a new low dew point record for April 23 with an afternoon reading of just 1F, and a relative humidity of 12 percent, drier than Phoenix, AZ on Thursday!
Location Ave Wind Speed for April 2015 Number of days wind has gusted above 30mph
MSP 12.3 mph 9 days (peak of 46 mph on the 2nd)
Rochester 14.4 mph 14 days (peak of 47 mph on the 1st)
St Cloud 11.5 mph 8 days (peak of 49 mph on the 2nd)
Duluth 12.4 mph 10 days (peak of 58 mph on the 2nd)
International Falls 9.2 mph 5 days (peak of 43 mph on the 13th)
Alexandria 14.1 mph 12 days (peak of 49 mph on the 2nd)
Redwood Falls 12.8 mph 16 days (peak of 55 mph on the 1st)
Mankato 13.9 mph 15 days (peak of 45 mph on the 1st)
Fargo-Moorhead 14.3 mph 12 days (peak of 54 mph on the 2nd)
Hallock 13.1 mph 11 days (peak of 62 mph on the 15th)
Crookston 14.0 mph 11 days (peak of 47 mph on the 13th)
Morris 14.5 mph 15 days (peak of 52 mph on the 13th)
Worthington 14.6 mph 14 days (peak of 48 mph on the 1st)
As a result of the windy month many weather observers as well as farmers have reported seeing blown soil accumulate in drainage ditches across the rural landscape. Hopefully winds will diminish for the peak of the crop planting season which is coming up soon.
Weekly Weather Potpourri:NOAA announced this week that March 2015 was the warmest globally over the period 1880-present. In addition they announced that the first 3-months of 2015 were also the warmest of record since 1880, surpassing the previous warmest 3-month start to the year back in 2002. You may want to catch up on other highlights in the NOAA-NCDC article.
MPR listener question:
Twin Cities Almanac for April 24th:
MSP Local Records for April 24th:
MSP weather records for this date include: highest daily maximum temperature of 84 degrees F in 1962; lowest daily maximum temperature of 36 degrees F in 1887: lowest daily minimum temperature is 24 degrees F in 1875; highest daily minimum temperature of 62 F in 1915; record precipitation of 1.43 inches 1908; and record snowfall is 0.3 inches in 1902.
Average dew point for April 24th is 35 degrees F, with a maximum of 66 degrees F in 1948 and a minimum of 8 degrees F in 1918.
All-Time state records for April 24th:
Past Weather Features:
April 24-25, 1962 brought a dose of mid-summer temperatures to the state as over 80 Minnesota cities reported daytime highs in the 80s F. Itasca State Park soared to 88°F while over two dozen southern Minnesota climate observers reported daytime highs of 90°F or higher. The heat spell was short-lived as frost occurred in many areas of the state by the morning of April 29th.
A winter storm brought heavy snow to northern Minnesota counties over April 23-24, 1968. Many observers reported 5 to 10 inches of snowfall. Some north shore observers along Lake Superior received 12 to 15 inches of snow. The storm brought winds of over 40 mph which caused numerous power outages. The Duluth and Hibbing Airports were closed for a time due to the heavy snow and poor visibility.
Strong thunderstorms developed over south-central and southeastern Minnesota late on the evening of April 23, 1990 and carried over into the early morning of April 24th. Heavy rains and hail fell in many areas with rainfall amounts commonly ranging from 3 to 4 inches. Rochester, Grand Meadow, and Red Wing reported over 4 inches of rain, while Winona Dam reported over 5 inches. The heavy rains broad flooding to the Cedar and Root Rivers. A number of homes in Austin reported flooded basements.