Philadelphia Weekend Weather & Storm Forecasts

Philadelphia Weekend Weather & Storm Forecasts

Search
Skip to content
  • Storms
    • Winter Storm 2022 Dec 22-24
    • Hurricane Ian — September 2022
    • Tropical Storm IDA
    • TROPICAL SYSTEM HENRI
  • WEATHER INFO
    • Useful Weather Links
    • Wgrib2 compilation on Mac OS
    • OUR DRY WEATHER PATTERN
  • Feedback
    • Questions or Feedback
  • About…
    • Blog FAQ
    • Disclaimer
    • Privacy Policy

QPF

« Back to Glossary Index

QPF = “quantity of precipitation forecast” usually refers to the total water precipitation or water-equivalent precipitation for a weather event.

« Back to Glossary Index

Post navigation

Previous PostgraupelNext PostNARRE
Location of main forecast data point on map of Philadelphia region
These forecasts (temp, rain/snow, etc) are based on the weather model data for the location represented by the "X"— data specific to the weather model grid points: Fort Washington State Park and Blue Bell (KLOM) Montgomery County, PA. This data point is more central to the Philadelphia area at large than Philadelphia Airport (KPHL).

These posts are auto-tooted on Mastodon.

Mastadon logo

Main Categories

Weather Forecasts

Birds & Wildlife

Commentary

PHL Climate Forecasts

All Categories

Satellite: GeoColor & Water Vapor


no image currently available


no image currently available

Local RADAR


Archives

Questions or Feedback

I would prefer that any questions and comments be sent using the “comments link” with each post. I try to respond to all comments.  If you need to send a private question, please use this link.

Noteworthy

BillyPenn.com Interviews theweatherguy (2018)

Philadelphia Magazine Interview (2016)

Recent Posts

  • THIS WEEK’S WEATHER Tuesday, March 21, 2023 9:00 pm
  • THIS WEEK’S WEATHER Sunday, March 19, 2023 5:03 pm
  • WEEKEND WEATHER FORECAST Friday, March 17, 2023 5:22 pm
  • THIS WEEK’S WEATHER Tuesday, March 14, 2023 4:48 pm
  • THIS WEEK’S WEATHER Monday, March 13, 2023 10:04 am

Definitions, Acronyms & Links

QPF: “Quantity of Precipitation Forecast”- given in inches, it’s the amount of water predicted to fall as measured in a rain gauge. For snowfall in inches, multiply the QPF by a factor of 10 – 15 (dependent upon temperature)

NAM: North American Mesoscale Model

GFS: Global Forecast System Model

WRF: Weather Research Forecast Model

HRRR: High Resolution Rapid Refresh Model

RAP: Rapid Refresh Model

MOS: Model Output Statistics

NBM: National Blend of Models

NAM FOUS: NAM Forecast Output Statistics

EKDMOS: Ensemble Kernal Density Model Output Statistics

SREF: Short Range Ensemble Forecast

CMC:  Canadian Meteorological Center Global Deterministic Prediction System

ECMWF: European Center for Medium Range Forecasts

HIRESW: High Resolution Window WRF

More info at these links–

Basic Weather Information

American Meteorological Society Glossary

Teaching Yourself Weather Forecasting

Philadelphia National Weather Service Office

How to install wgrib2 on Mac OSX

Jetstream Introduction to the Atmosphere-NOAA

More links…

Tags

  • Arctic Front
  • Basic Weather Facts
  • birds
  • Climate Forecast
  • Clouds
  • Coastal Low
  • Cold Air Damming
  • Daylight Saving Time
  • drought
  • Dry Weather Patterns
  • Ensemble forecasts
  • Forecast Evaluation
  • Forecast Post-Mortem
  • FV3-GFS
  • Heavy Rain
  • HIRESW Model
  • hurricane
  • Hurricane Delta
  • Hurricane Isaias
  • Hurricane Laura
  • Icy conditions
  • Indigo Bunting
  • Info
  • Jet Streaks
  • Jet Stream
  • Light Snow
  • mid week weather outlook
  • Model Errors
  • National Blend of Models (NBM)
  • NBM Model
  • Northern Flicker
  • Phasing
  • Philadelphia area Weather Forecast
  • Philly Winter Weather Update
  • Precipitation Accumulation QPF
  • Rainbow
  • Secondary Low
  • Sleet
  • Sleet—> Rain
  • Snow
  • Snowstorm
  • Solar Cycle
  • Stalled Front
  • Video
  • Weather Models

Weather… and Other Things 'Up in the Air'

Posts

March 2023
S M T W T F S
 1234
567891011
12131415161718
19202122232425
262728293031  
« Feb    

Earlier Online Forecasts Archives

Theweatherguy has been posting weekend weather and storm forecasts online since 1995.


theweatherguy's forecasts from 1995 through 2004 were part of the Bicycle Club of Philadelphia Web Site


theweatherguy's forecasts from 2004 through 2014
can be found at

http://theweatherguy.net/blosxom.cgi


Disclaimer

I am not a meteorologist and I 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 these forecasts at your own risk! I cannot be 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.

Privacy Policy

© Glenn F. Schreiber

Social Media Auto Publish Powered By : XYZScripts.com