IEM Daily Feature
Wednesday, 22 April 2020

Last Spring Temp Probs

Posted: 22 Apr 2020 02:09 AM

Continuing with the theme considering the frequency of experiencing cold temperatures yet this spring season, the featured chart presents the accumulated probability of having a sub threshold temperature after the given date. For example the values shown for 21 April indicate that just ~5% of years see a sub 22 degree low temperature after the date, ~10% below 26, ~25% below 28 and ~70% below 32. This chart nicely shows that the risks all dramatically decrease to below 50% by the first week of May for Ames. The forecast for the rest of April continues to be optimistic that warmer weather is here to stay, but as the probabilities show, having such cold temperatures in early May is not without precedent.

Good = 9
Bad = 0

Tags:   spring