rwfromkansas wrote:This is my observation, but it always seems like the first few freezes struggle to verify. DFW forecast mid-20s to upper 20s this morning. Only got down to 30 IMBY and 32 in DAL.
Still freezing, but not a hard freeze like forecast.
Is my perception wrong?
Sometimes the urban areas can be a little warmer but not always. Tonight the reason the drop did not happen strongly as forecast because the upper low originally was not suppose to meander and the winds have kept up strong along with cloud cover. Strong winds does a lot of mixing and prevents optimal cooling. So it feels colder actually with wind chills but actual temperatures remain up a bit. For optimal radiational cooling you will need winds less than 10mph and clear skies. When you see winds less than 5mph or calm sometimes the temps even beat the forecast.
Watch the temps the next couple of nights and you will see how those two factors mentioned can seesaw the lows.