Temperatures Inch Forward
Posted by Pete Bouchard
Midwinter cold. We all had a taste of things to come today: wind chills in the 10s throughout the morning, highs that barely cracked freezing in the afternoon.
But even as I type, the milder air is channeling through the Ohio Valley and New York State. This milder air is only in the 30s, but it signifies a change in the airmass - from arctic to polar.
Sounds the same, but there's a big difference. Arctic air is very dry and dense, polar air is more moist and not as dense. This fine line will be more noticable tomorrow as our highs "soar" to the low 50s by afternoon. To get there, we wait for the shift in the wind.
Typically at night, the temperatures cool right through dawn. This time, however, our numbers will climb before sunup and continue to spike into the early afternoon:
And the fun doesn't stop there. Friday gets the temperature trifecta: mild start in the AM, plenty of sun, and a gentler southwest wind. Expect us to rise to nearly 60 in the afternoon!
Unfortunately, the numbers will slump this weekend as a new high moves in and turns our wind onshore. This time of year, that spells clouds too. We'll hold off the showers until early next week (hurray, rain!) but the weekend won't be all that bright.