US Extremes KEY WEST NAS, FL 77°F at Thu, Mar 11 9:53 PM EST BRYCE CANYON, UT 7°F at Thu, Mar 11 9:53 PM EST GR Services Log-in Username:  Password:

Enter "City, ST." or "Zipcode"

Weather Directory >> United States | Canada | Mexico | World Weather

Home Downloads Support Wx 4 your site GR Placefiles Service's RSS Feeds Level 3 Stats Level 2 Stats

US Map Center US Alerts US Severe Tropics US Winter US Radar US Satellite RUC Model Earth Quakes US Travel US Aviation US Marine International

MichiganWxSystem Gibson Ridge Data Feeds Freebies no subscription needed Special Marine Warnings    http://data2.michiganwxsystem.net/tmp/smw.txt HPC Precipitation forecast    http://data2.michiganwxsystem.net/tmp/qpf.txt HPC Frontal Positions    http://data4.michiganwxsystem.net/free/fronts.php FAA Airport Status    http://data4.michiganwxsystem.net/free/delays.php SPC County based Convective Watches    http://data4.michiganwxsystem.net/free/countywatch.txt NWS Fire Weather Based Watches/Warnings    http://data4.michiganwxsystem.net/free/firewwa.txt **recommended to copy and paste the URL's .. most of the php scripts will redirect if not viewed in GR products Subscription Services Hydrometeorological Prediction Center (HPC) Data River Monitors River Flood Outlooks Snowfall atleast 4 inches Day 1 Probability Icing atleast 1/4 in. Day 1 Probability QPF Day 1 forecast FAA Flight Delays Storm Prediction Center (SPC) Data Convective Watches [PDS & Non-PDS] County Based [Color and Transparency Selectable] Parallelogram [Seperate Placefiles for outline and shaded, you select color and transparency] 10 minute GR refresh Mesoscale Discussions Seperate Placefiles for Outline and Shaded, color & line thickness selectable over the 14 types 15 minute GR refresh Convective/Probability Day 1 Outlook Line style Filled Polygon [beta] Seperate Placefiles for each type, color, line thickness & transparency selectable 30 minute GR refresh US/Canadian METAR Stations NWS Reporting Stations Full Wind Barb Display Temperature Only Both utilize 'nearest routine' you select how close to display the stations to eliminate plotting on top of each other Buoy/C-Man Stations Various MESONET's APRSWxNET DOT Roadway Sensors 15 minute GR refresh NWS County/Zone Watches, Warnings & Advisories Tornado, Severe Thunderstorm & Flash Flood Warnings Seperate Placefiles for Outlined and Shaded Color, Transparency & Line Thickness Selectable Follows Order of Presidence 30 second GR refresh All Watches, Warnings & Advisories Seperate Placefiles for Outlined and Shaded Color, Type & Line Thickness Selectable Follows Order of Presidence 1 minute GR refresh Special Marine Warnings Storm based Polygon Color, Transparency & Line Thickness Selectable 1 minute GR refresh Marine Advisories Seperate Placefiles for Outlined and Shaded Color, Type, Transparency & Line Thickness Selectable Follows Order of Presidence 10 minute GR refresh NWS Local Storm Reports Past 4 hours Of VALID reports, duplicate's & daily summaries filtered out Icons change transparency based on age 12 minute GR refresh NHC Hurricane/Tropical Storm Tracking Forecast "Cone" projections Past Track and intensities Forecast track and intensities NHC Tropical WWA Breakpoints Tropical Models 30 minute GR refresh United States Precision Lightning Network ™ (USPLN) Past 4 minutes Lightning activity Several Icons to choose from, or use your own 1 minute GR refresh Placefiles Only   $55.00/yr Placefiles & USPLN $7.00/mth $77.00/yr Level 3 data Placefiles & USPLN $11.00/mth $130.00/yr Level 2 data Placefiles & USPLN $20.00 Month $240.00 Year Level 2 & 3 data Placefiles & USPLN $25.00 Month $300.00/yr Data suppliers: "Add-on" or "Only" Packages USPLN ONLY $60.00/yr  Level 3 Data ONLY $35.00/yr To obtain the add-on packages email us at sales [at] michiganwxsystem.com