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Philadelphia Weekend Weather and Storm Forecasts

Glenn F. Schreiber DMD and Glenn Schreiber is theweatherguy writing about Philadelphia Weather [radar] [surface map] [disclaimer]

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Glenn F Schreiber
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Tue, 09 Mar 2010
Philadelphia Weekend Weather Outlook- Tues AM
A low pressure system will develop in the midwest during the mid week period and deepen as its upper air support develops into a closed low. With a blocked pattern developing (similar to our last 'storm' here that didn't deliver the expected snow amounts), this storm will linger from Thursday through Sunday-- the midwest low will [try to] induce development of a secondary coastal low.
With the transfer of energy to the coastal low and the uncertainty of the exact dynamics in our area, the models have ranged from 4.0 inches of rain to about 1.5 inches with last night's model runs.
It does appear that Saturday will be wet and Sunday may not be much better, it's unclear whether the rains will be torrential or whether there may be extended times of just light rain, drizzle or just clouds. This is a scenario where the details will become more clear by late Thursday.
Sat 3/13: tentative: Rain, showers, possible thundershowers. High 60
Sun 3/14: tentative: Cloudy, some breaks of sun. Chance of some showers. High 58.
Solar Climate Discussion (Updated 3/9): The sun is beginning to come out of a solar minimum, and there has finally been an increase in solar activity signaling the beginning of Solar Cycle 24. There are several sunspot areas, but the solar flux still hasn't taken off. It's still early in the cycle.
Total Solar Irradiance continues to be about 1 watt/m2 lower than it was during the peak of the last solar cycle, Solar Cycle 23, in April 2000.
As of early March, it looks like the solar cycle is providing the predicted colder than normal temperatures and the El Nino is providing the potent moisture rich southern jet stream. Continue to expect cooler than normal temperatures into the spring.

posted: Mar 09 2010 at 8:03 am

[/weather/mar10] permanent link

Disclaimer: I am not a meteorologist and provide this information as a hobby and for entertainment (mostly my own :-) . While attempts are made to predict the weather as best as I can, use at your own risk! I am NOT responsible for any direct or indirect consequential injury/damages due to your use of these forecasts. Always check the NWS Official Forecast for your final plans.

The weatherguy.net home page has been visited times since October 2003.

theweatherguy's website
		Philadelphia Weekend Weather and Storm Forecasts
Glenn F. Schreiber DMD and Glenn Schreiber is theweatherguy writing about Philadelphia Weather [radar] [surface map] [disclaimer]
	About this blog theweatherguy's website, "Thoughts and comments on Philadelphia Weather and Daily Life." Glenn F Schreiber aka "theweatherguy" Photos Weather Definitions Copy link for RSS feed Links These are a few of my favorite links. National Weather Service Official Forecasts Meteorology Glossary Archives Weather Archives: 13: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 12: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 11: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 10: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 09: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 08: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 07: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 06: Jan Feb Mar Apr May Jun Jul Aug Sept Oct Nov Dec 05: Apr May Jun July Aug Sept Oct Nov Dec Commentary: Miscellaneous Find	Tue, 09 Mar 2010 Philadelphia Weekend Weather Outlook- Tues AM A low pressure system will develop in the midwest during the mid week period and deepen as its upper air support develops into a closed low. With a blocked pattern developing (similar to our last 'storm' here that didn't deliver the expected snow amounts), this storm will linger from Thursday through Sunday-- the midwest low will [try to] induce development of a secondary coastal low. With the transfer of energy to the coastal low and the uncertainty of the exact dynamics in our area, the models have ranged from 4.0 inches of rain to about 1.5 inches with last night's model runs. It does appear that Saturday will be wet and Sunday may not be much better, it's unclear whether the rains will be torrential or whether there may be extended times of just light rain, drizzle or just clouds. This is a scenario where the details will become more clear by late Thursday. Sat 3/13: tentative: Rain, showers, possible thundershowers. High 60 Sun 3/14: tentative: Cloudy, some breaks of sun. Chance of some showers. High 58. Solar Climate Discussion (Updated 3/9): The sun is beginning to come out of a solar minimum, and there has finally been an increase in solar activity signaling the beginning of Solar Cycle 24. There are several sunspot areas, but the solar flux still hasn't taken off. It's still early in the cycle. Total Solar Irradiance continues to be about 1 watt/m2 lower than it was during the peak of the last solar cycle, Solar Cycle 23, in April 2000. As of early March, it looks like the solar cycle is providing the predicted colder than normal temperatures and the El Nino is providing the potent moisture rich southern jet stream. Continue to expect cooler than normal temperatures into the spring. posted: Mar 09 2010 at 8:03 am [/weather/mar10] permanent link Disclaimer: I am not a meteorologist and provide this information as a hobby and for entertainment (mostly my own :-) . While attempts are made to predict the weather as best as I can, use at your own risk! I am NOT responsible for any direct or indirect consequential injury/damages due to your use of these forecasts. Always check the NWS Official Forecast for your final plans. The weatherguy.net home page has been visited times since October 2003.