York, Pennsylvania
Short-term forecast
Issued by the National Weather Service at 9:11 am EST on March 12, 2010
Periods of rain will occur through early this afternoon. Rainfall amounts between 9 am and 2 PM will be generally between one tenth... and one quarter of an inch. However...some locations across the middle and lower Susquehanna River valley will see around one half of an inch of rain during this period. Temperatures in the mid to upper 40s at 9 am will rise just 2 to 4 degrees today. East to northeast winds of 5 to 15 mph will increase this afternoon with gusts around 25 mph on the ridge tops.
5-day forecast
As of 11:36 am EST on March 12, 2010
This Afternoon...Periods of rain. Cooler with highs in the lower 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.
Tonight...Periods of rain...may be heavy at times. Breezy...mild with lows in the mid 40s. East winds 15 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent.
Saturday...Windy with rain...heavy at times. High temperature in the upper 40s. East winds 20 to 30 mph with gusts up to 40 mph. Chance of rain near 100 percent.
Almanac
Key: T = Trace of precipitation; MM = data not available
Areal Flood Watch
Issued by the National Weather Service at 11:21 am EST on March 12, 2010
... Flood Watch remains in effect from 7 PM EST this evening
through late Saturday night...
The Flood Watch continues for
* a portion of central Pennsylvania... including the following
areas... Adams... Bedford... Blair... Cumberland... Dauphin...
Franklin... Fulton... Huntingdon... Juniata... Lancaster...
Lebanon... Mifflin... Perry... Schuylkill and York.
* From 7 PM EST this evening through late Saturday night.
* Surface low pressure developing along the Carolina coast will
move slowly north along the mid Atlantic Coastal Plain this
weekend. An increasingly moist... east to southeast low level
flow will strengthen ahead of this storm system... drawing deep
Atlantic moisture northwest into south central Pennsylvania. The
heaviest rainfall is expected from late tonight through the day
Saturday.
* Widespread rainfall amounts of 2 to 3 inches are expected with
this storm system. Local amounts up to 4 inches are possible.
The heavy rain has the potential to cause dangerous flooding
over the next couple of days... especially along streams and
creeks. Persons near flood prone areas should keep a close watch
on later forecasts... statements and changing weather conditions.
Precautionary/preparedness actions...
A Flood Watch means there is a potential for flooding on small
streams... creeks... poor drainage... urban and low-lying areas
based on current forecasts.
You should monitor later forecasts and be alert for possible
flood warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.
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National Weather Service: Areal Flood Watch |
Short-term forecast
Issued by the National Weather Service at 9:11 am EST on March 12, 2010
Periods of rain will occur through early this afternoon. Rainfall amounts between 9 am and 2 PM will be generally between one tenth... and one quarter of an inch. However...some locations across the middle and lower Susquehanna River valley will see around one half of an inch of rain during this period. Temperatures in the mid to upper 40s at 9 am will rise just 2 to 4 degrees today. East to northeast winds of 5 to 15 mph will increase this afternoon with gusts around 25 mph on the ridge tops.
5-day forecast
| Fri | Sat | Sun | Mon | Tue |
|---|---|---|---|---|
 |
|
|
 |
 |
| Rain | Rain | Rain | Chance of Rain | Partly Cloudy |
| 54° | 47° | 49° | 43° | 49° | 38° | 52° | 36° | 54° | 36° |
| Current conditions | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||
Forecast
As of 11:36 am EST on March 12, 2010
This Afternoon...Periods of rain. Cooler with highs in the lower 50s. East winds 10 to 15 mph. Chance of rain near 100 percent.
Tonight...Periods of rain...may be heavy at times. Breezy...mild with lows in the mid 40s. East winds 15 to 25 mph with gusts up to 40 mph. Chance of rain near 100 percent.
Saturday...Windy with rain...heavy at times. High temperature in the upper 40s. East winds 20 to 30 mph with gusts up to 40 mph. Chance of rain near 100 percent.
Radar
|
Regional conditions
|
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Almanac
Key: T = Trace of precipitation; MM = data not available
|
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Areal Flood Watch
Issued by the National Weather Service at 11:21 am EST on March 12, 2010
... Flood Watch remains in effect from 7 PM EST this evening
through late Saturday night...
The Flood Watch continues for
* a portion of central Pennsylvania... including the following
areas... Adams... Bedford... Blair... Cumberland... Dauphin...
Franklin... Fulton... Huntingdon... Juniata... Lancaster...
Lebanon... Mifflin... Perry... Schuylkill and York.
* From 7 PM EST this evening through late Saturday night.
* Surface low pressure developing along the Carolina coast will
move slowly north along the mid Atlantic Coastal Plain this
weekend. An increasingly moist... east to southeast low level
flow will strengthen ahead of this storm system... drawing deep
Atlantic moisture northwest into south central Pennsylvania. The
heaviest rainfall is expected from late tonight through the day
Saturday.
* Widespread rainfall amounts of 2 to 3 inches are expected with
this storm system. Local amounts up to 4 inches are possible.
The heavy rain has the potential to cause dangerous flooding
over the next couple of days... especially along streams and
creeks. Persons near flood prone areas should keep a close watch
on later forecasts... statements and changing weather conditions.
Precautionary/preparedness actions...
A Flood Watch means there is a potential for flooding on small
streams... creeks... poor drainage... urban and low-lying areas
based on current forecasts.
You should monitor later forecasts and be alert for possible
flood warnings. Those living in areas prone to flooding should be
prepared to take action should flooding develop.
Back to top
 |
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