Monday’s Funnel Cloud In Durham
We received several calls Monday about a potential funnel cloud or tornado in Durham. We talked to some eyewitnesses to the event as did the National Weather Service and here are the results of what many of you saw.
THIS FUNNEL CLOUD WAS THE RESULT OF AN INTERESTING WEATHER PHENOMENA KNOWN AS A COLD AIR FUNNEL. THE COMBINATION OF A RELATIVELY WARM GROUND, COLD TEMPERATURES ALOFT ASSOCIATED WITH THE CLOSED LOW ALONG THE COAST AND THE SPIN IN THE ATMOSPHERE CREATED BY THE LOW LED TO THE POTENTIAL FORMATION OF A COLD AIR FUNNEL. A SHOWER DEVELOPED IN THE AREA OF THE FUNNEL REPORT AND WAS LIKELY THE FACTOR THAT HELPED TO FOCUS THE ROTATION ALOFT TO PRODUCE THE FUNNEL. THIS TYPE OF OCCURRENCE RARELY EVER PRODUCES AN ACTUAL TORNADO AND IS TYPICALLY HARMLESS. THIS TYPE OF PHENOMENA OCCURS MANY TIMES IN ASSOCIATION WITH COLD UPPER LOWS. (Courtesy NWS Raleigh)
This is a picture of what a cold air funnel might look like.
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