Monday, April 16, 2012

A Drier Than Normal April???

Take a look at this map for the month of March's rain days...













According to the NWS office here in Louisville, we received measurable precipitation (>0.01") on 13 days throughout March. While total monthly rainfall that exceeded 6" did not meet the top ten wettest criteria for March, it was still a fairly wet month.

As for the warm temperatures, March went down as the warmest on record, not just for us here in Louisville, but hundreds of locations across the U.S.

Ironically, it was also our snowiest month of the winter, coming in at 3.5".

Here in April, temperatures are still averaging above normal, a little over 3 degrees or so. Although, we have received only 4 days of rainfall (not counting today), precipitation totals are coming in just below normal. Today's rainfall may actually even the average for the month.

Although rainfall amounts appear to be acceptable, look for possible drought-like conditions across parts of the region over the next couple of weeks, thanks in part to the warmer than average temperatures and its effects of evapotranspiration.

In addition, lack of a soaking rain system for our part of the region could lead to a worsening (drier) situation if we do not receive a storm system that will provide us with that type of rainfall.

The CPC says to expect drier than average rainfall amounts for the days 6-10  but above average rainfall for the days 10-14.

Also, temperatures are expected to go below normal for the first part, while above normal is expected for the latter half.

Here is an additional chart...


















MS

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