Philadelphia Weekend Weather & Storm Forecasts

Philadelphia Weekend Weather & Storm Forecasts

Search
Skip to content
  • Storms – Climate Outlook
    • Winter Storm 2022 Dec 22-24
    • Hurricane Ian — September 2022
    • Tropical Storm IDA
    • TROPICAL SYSTEM HENRI
    • Winter ’23-’24 Outlook Discussion
    • OUR DRY WEATHER PATTERN
  • WEATHER INFO
    • Useful Weather Links
    • How to Install and Compile wgrib2 on MacOS X and MacOS -Tutorial Index
    • Rapid Refresh Forecast System (RRFS)
  • Feedback
    • Questions or Feedback
  • About…
    • Common Questions
    • Disclaimer
    • Privacy Policy
Philadelphia Area Weather Forecasts

CHANGES IN THE WEEKEND WEATHER Forecast

Friday, October 23, 2020 7:23 pm GFS
NBM Cloud, rain forecast for 2 PM Saturday. (Clouds are Darker) (Click on image for a larger view.)

I’ll update later this evening or Saturday morning

Post navigation

Previous PostWEEKEND WEATHER OUTLOOKNext PostSUNDAY FORECAST UPDATE
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 point: Wings Field, 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-posted to
Mastodon.social.

Mastadon logo

These posts are auto-posted to
Bluesky.social.

bsky logo

Only occasional posts are placed on "X.com"

Main Categories

Weekend Weather Forecasts

This Week’s Weather

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

Please send any questions and comments 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 Sunday, November 17, 2024 6:19 pm
  • WEEKEND WEATHER FORECAST Friday, November 15, 2024 6:06 pm
  • THIS WEEK’S WEATHER Monday, November 11, 2024 9:40 am
  • WEEKEND WEATHER FORECAST Friday, November 8, 2024 10:23 am
  • THIS WEEK’S WEATHER Sunday, November 3, 2024 10:15 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)

RRFS: Rapid Refresh Forecast System

REFS: Rapid Ensemble Forecast System

NAM: North American Mesoscale Model

NAM-NEST: North American Mesoscale Model Nested Grid (High Resolution)

GFS: Global Forecast System Model

GEFS: Global Ensemble Forecast System

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

CMC GDPS:  Canadian Meteorological Center Global Deterministic Prediction System

CMC HRDPS: Canadian Meteorological Center High Resolution Deterministic Prediction System

ECMWF: European Center for Medium Range Forecasts

SREF: Short Range Ensemble Forecast

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

  • Basic Weather Facts
  • birds
  • Climate Forecast
  • Clouds
  • 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
  • Jet Streak Entrance and Exit Regions
  • Jet Streaks
  • Jet Stream
  • Light Snow
  • National Blend of Models (NBM)
  • NBM Model
  • Northern Flicker
  • Omega Block
  • Phasing
  • Philadelphia area Weather Forecast
  • Philly Winter Weather Update
  • Rapid Refresh Forecast System
  • Rex Block
  • RRFS
  • Secondary Low
  • Severe Weather
  • Sleet
  • Sleet—> Rain
  • Snow
  • Snowstorm
  • Solar Cycle
  • Stalled Front
  • Video
  • Weather Models
  • Winter Outlook

Weather… and Other Things 'Up in the Air'

Posts

November 2024
S M T W T F S
 12
3456789
10111213141516
17181920212223
24252627282930
« Oct    

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.

Mastodon Verification

Mastodon
Privacy Policy

© Glenn F. Schreiber