Steve signing at 8:12 AM. Big story this morning is the cold temperatures. 30s reported across the 4 county area as well as much of North and South Carolina. I saw some frost on the roofs this morning but none on the ground and I dont think many of you will either. The reason is that the dew points are above freezing also so even though 35° to 37° temperatures, like we have now, are usually conducive to widespread frost, it is because dew points are below freezing. Right now, the dew points are basically the same as the temperatures and humidities are at or near 100%. Same principle with rain or snow. If the temperature is 35° and the dew point is, say, 25°, youre more likely to see snow even though the temperature is above freezing. If the temp is 35° and the dew point is 35°, chances are youll see rain. At any rate, what frost there is will disappear in another hour or so as temperatures begin to rebound. Even though well see mostly sun today, afternoon highs will still be on the cool side, low to mid 60s. Clouds move in tonight Monday, so overnight lows should be about 10 degrees warmer and no frost concerns. We may not see as much sun Monday as today but afternoon temperatures aided by a southwesterly flow ahead of an approaching frontal boundary should reach the low 70s. This next front gives us a glancing blow so we are likely to see some rain, mainly showers and a thunderstorm or two, but little if any cooler weather. Tuesdays high should be around 70° with clouds and scattered showers but by Wednesday we could see upper 70s. Warmer weather stays with us through Friday when the next system approaches from the west. A word or two about this next system that may affect our weather later Friday into the weekend. There may be some influence from the remnants of Hurricane Simon, now weakening off the Baja California coast. Some of Simons energy and moisture may become entrained in a southern Plains disturbance that develops along the front and moves our way in time for next weekend. This system may also be a slow mover. If, indeed, Simon has an influence on this next system, there could be some heavy rain and even strong thunderstorms with this system. However, it is just as likely a back door cold front may induce a cool-air wedge pattern, possibly reducing the storm threat but leaving us with a generally cool and damp weekend. We have several more days to watch, however, and as you can imagine, there are still a lot of questions to be resolved, so stay tuned.
Posted on: Sun, 05 Oct 2014 12:31:16 +0000
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