Local forecast by
"City, ST" or zip code |
Search by city or zip code. Press enter or select the go button to submit request |
|
| Summary of Flooding of March 10th-13th, 2011 |
A widespread 2 to 3 inches of rainfall occured on March 10th through March 11th, 2011. The rain (and some snow) was due to a very slow-moving front that nearly stalled over the Upper Ohio Valley and Mid-Atlantic States.
River levels were already running high before the rain moved in.
The southerly winds in advance of the front brought very mild temperatures and moist air up from the south. This warm, moist air melted a great deal of water out from the snow pack that was already in place. In some spots over the higher terrain of PA and Upstate New York, 2 to 6 inches of water was waiting to melt out of a very dense snow cover before the warm-up began. The result of the warming was a rapid snow melt.
The snow melt and heavy rainfall combined to create flooding on a wide scale in the Allegheny and Susquehanna River Basins.
|
| Rainfall (liquid precipitation) from March 7th through 14th |
| Departure From Normal Precipitation from March 7th through 14th |
| Surface Map of March 10th, 2011 |
| Water Contained in Snow on Ground, March 9th, 2011 |
| Maximum Temperature Map for Daytime of March 10th, 2011 - Note upper 40s and lower 50s over PA |
| Bloomsburg River Gauge Trace (Stage in Feet) March 6th-15th |
| Camp Hill River Gauge Trace (Stage in Feet) March 6th-15th |
| Harrisburg River Gauge Trace (Stage in Feet) March 6th-15th |
| Harper Tavern River Gauge Trace (Stage in Feet) March 6th-15th |
| Williamsburg River Gauge Trace (Stage in Feet) March 6th-15th |
2011 Weather Features:
- October 29th (Record) Snowfall
- Williamsport Sets Annual Precipitation Record
- Flood Inundation Maps for Jersey Shore, PA begins on Wednesday, Oct. 26th
- NWS State College Remembers the 100 Year Anniversary of the Austin Dam Break and Flood
- Harrisburg Sets September and Annual Rainfall Records
- New River Forecast Points on Daily River Forecast
- Unofficial (subject to review) river crests for rain due to remnants of Lee (7 to 10 Sep 2011)
- Storm Total Rainfall Reports Sept 4-8, 2011
- Latest Aug 23rd Earthquake information.
- Historical Central PA Temperature Extremes for July 4th
- 2011 Tornado Summary (through June 14th)
- Two Tornadoes in York County on June 12th
- 2011 Central PA Tornadoes (so far)
- Tioga County Tornado of May 30th, 2011
- Huntingdon County Tornadoes of May 27th, 2011
- Tornadoes of May 26th, 2011
- Tornadoes of May 23rd, 2011
- Dauphin County Tornado of May 18th, 2011
- Tornadoes and Flooding of April 27th and 28th, 2011
- Flooding and Tornado of April 16th, 2011
- Flooding of March 10-13
- Feb 20-21 Snow Event
|
Local Climate, Water & Weather Topics:
Forecasts, Current Hazards, Current Conditions, Water Resources, Radar, Satellite, Climate,
Weather Safety, Wireless/PDAs, Feature Articles,
|
|
weather.gov 
