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The convective and fire weather outlook shapefiles and KML files are created based on the NDFD grids using GDAL utilities.
Additional reformatting steps were taken post GDAL transformation to provide KML color-filled polygons,
legends and KML tags to improve readability.
NEW: Visit NWS GIS Portal for SPC Convective Outlooks: https://idpgis.ncep.noaa.gov/arcgis/rest/services/NWS_Forecasts_Guidance_Warnings/SPC_wx_outlks/MapServer/.
NEW: Starting on October 16, 2019. Day 1 - 8 convective outlooks will include layered (wedding cake) and no-layered (donut holes) GeoJSON files. Details below.
NEW: Starting on January 30, 2020. Day 2 convective outlooks contain individual probabalistic hazard (tornado, wind, hail) similar to Day 1 outlooks replacing total probablistic hazard.
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SPC Shapefile/KML Links
Active Watches
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www.spc.noaa.gov/products/watch/ActiveWW.kmz
displays active watch parallellograms.
Please note the official watch is defined by the counties in WOU.
Check out www.spc.noaa.gov/misc/gmww.php to plot active watches on Google Maps.
For plotting a specific watch, use www.spc.noaa.gov/misc/gmww.php?wwnum=XXXX where XXXX is the watch number.
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Active Mesoscale Discussions
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www.spc.noaa.gov/products/md/ActiveMD.kmz
Check out www.spc.noaa.gov/misc/gmmd.php to plot active MDs on Google Maps.
For plotting a specific MD, use www.spc.noaa.gov/misc/gmmd.php?mdnum=XXXX where XXXX is the MD number.
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Convective Outlooks (Day 1, 2, 3 and 4-8) Bundle in KML
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www.spc.noaa.gov/products/outlook/SPC_outlooks.kml
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Convective Outlooks (Day 1, 2, 3 and 4-8) Bundle in KMZ
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www.spc.noaa.gov/products/outlook/SPC_outlooks.kmz
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Individual Convective Outlook (Day 1, 2, 3, 4-8)
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Day 1 Cat/Tornado/Wind/Hail KMZ: www.spc.noaa.gov/products/outlook/day1otlk_[cat,torn,wind,hail].km[l,z]
Day 1 Categorical KMZ: https://www.spc.noaa.gov/products/outlook/day1otlk_cat.kmz
Day 1 Tornado KMZ: https://www.spc.noaa.gov/products/outlook/day1otlk_torn.kmz
Day 1 Hail KMZ: https://www.spc.noaa.gov/products/outlook/day1otlk_hail.kmz
Day 1 Wind KMZ: https://www.spc.noaa.gov/products/outlook/day1otlk_wind.kmz
Day 1 Cat/[Sig]Tornado/[Sig]Wind/[Sig]Hail [layered|no layered] GeoJSON: www.spc.noaa.gov/products/outlook/day1otlk_[cat,torn,wind,hail,sigtorn,sigwind,sighail].[no]lyr.geojson
Day 1 Categorical No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_cat.nolyr.geojson
Day 1 Categorical Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_cat.lyr.geojson
Day 1 Tornado No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_torn.nolyr.geojson
Day 1 Tornado Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_torn.lyr.geojson
Day 1 Significant Tornado No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_sigtorn.nolyr.geojson
Day 1 Significant Tornado Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_sigtorn.lyr.geojson
Day 1 Hail No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_hail.nolyr.geojson
Day 1 Hail Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_hail.lyr.geojson
Day 1 Significant Hail No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_sighail.nolyr.geojson
Day 1 Significant Hail Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_sighail.lyr.geojson
Day 1 Wind No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_wind.nolyr.geojson
Day 1 Wind Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_wind.lyr.geojson
Day 1 Significant Wind No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_sigwind.nolyr.geojson
Day 1 Significant Wind Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day1otlk_sigwind.lyr.geojson
Day 2 Cat/Tornado/Wind/Hail KMZ: www.spc.noaa.gov/products/outlook/day2otlk_[cat,torn,wind,hail].km[l,z]
Day 2 Categorical KMZ: https://www.spc.noaa.gov/products/outlook/day2otlk_cat.kmz
Day 2 Tornado KMZ: https://www.spc.noaa.gov/products/outlook/day2otlk_torn.kmz
Day 2 Hail KMZ: https://www.spc.noaa.gov/products/outlook/day2otlk_hail.kmz
Day 2 Wind KMZ: https://www.spc.noaa.gov/products/outlook/day2otlk_wind.kmz
Day 2 Cat/[Sig]Tornado/[Sig]Wind/[Sig]Hail [layered|no layered] GeoJSON: www.spc.noaa.gov/products/outlook/day2otlk_[cat,torn,wind,hail,sigtorn,sigwind,sighail].[no]lyr.geojson
Day 2 Categorical No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_cat.nolyr.geojson
Day 2 Categorical Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_cat.lyr.geojson
Day 2 Tornado No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_torn.nolyr.geojson
Day 2 Tornado Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_torn.lyr.geojson
Day 2 Significant Tornado No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_sigtorn.nolyr.geojson
Day 2 Significant Tornado Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_sigtorn.lyr.geojson
Day 2 Hail No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_hail.nolyr.geojson
Day 2 Hail Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_hail.lyr.geojson
Day 2 Significant Hail No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_sighail.nolyr.geojson
Day 2 Significant Hail Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_sighail.lyr.geojson
Day 2 Wind No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_wind.nolyr.geojson
Day 2 Wind Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_wind.lyr.geojson
Day 2 Significant Wind No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_sigwind.nolyr.geojson
Day 2 Significant Wind Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day2otlk_sigwind.lyr.geojson
Day 3 Cat/Prob KMZ: www.spc.noaa.gov/products/outlook/day3otlk_[cat,prob].km[l,z]
Day 3 Categorical KMZ: https://www.spc.noaa.gov/products/outlook/day3otlk_cat.kmz
Day 3 Probabalistic KMZ: https://www.spc.noaa.gov/products/outlook/day3otlk_prob.kmz
Day 3 Categorical No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day3otlk_cat.nolyr.geojson
Day 3 Categorical Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day3otlk_cat.lyr.geojson
Day 3 Probabilistic No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day3otlk_prob.nolyr.geojson
Day 3 Probabilistic Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day3otlk_prob.lyr.geojson
Day 3 Significant Probabilistic No Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day3otlk_sigprob.nolyr.geojson
Day 3 Significant Probabilistic Layered GeoJSON: https://www.spc.noaa.gov/products/outlook/day3otlk_sigprob.lyr.geojson
Day 4-8 Prob KMZ: www.spc.noaa.gov/products/exper/day4-8/day[4,5,6,7,8]prob.km[l,z]
Day 4 Probabalistic KMZ: https://www.spc.noaa.gov/products/exper/day4-8/day4prob.kmz
Day 5 Probabalistic KMZ: https://www.spc.noaa.gov/products/exper/day4-8/day5prob.kmz
Day 6 Probabalistic KMZ: https://www.spc.noaa.gov/products/exper/day4-8/day6prob.kmz
Day 7 Probabalistic KMZ: https://www.spc.noaa.gov/products/exper/day4-8/day7prob.kmz
Day 8 Probabalistic KMZ: https://www.spc.noaa.gov/products/exper/day4-8/day8prob.kmz
Day 4-8 Prob [layered|no layered] GeoJSON: www.spc.noaa.gov/products/exper/day4-8/day[4,5,6,7,8]prob.[no]lyr.geojson
Day 4 Probabilistic No Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day4prob.nolyr.geojson
Day 4 Probabilistic Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day4prob.lyr.geojson
Day 5 Probabilistic No Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day5prob.nolyr.geojson
Day 5 Probabilistic Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day5prob.lyr.geojson
Day 6 Probabilistic No Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day6prob.nolyr.geojson
Day 6 Probabilistic Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day6prob.lyr.geojson
Day 7 Probabilistic No Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day7prob.nolyr.geojson
Day 7 Probabilistic Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day7prob.lyr.geojson
Day 8 Probabilistic No Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day8prob.nolyr.geojson
Day 8 Probabilistic Layered GeoJSON: https://www.spc.noaa.gov/products/exper/day4-8/day8prob.lyr.geojson
Day 1, 2, 3 Convective Outlook Shapefiles: www.spc.noaa.gov/products/outlook/day[1,2,3]otlk-shp.zip
Day 1 Outlook Shapefiles: https://www.spc.noaa.gov/products/outlook/day1otlk-shp.zip
Day 2 Outlook Shapefiles: https://www.spc.noaa.gov/products/outlook/day2otlk-shp.zip
Day 3 Outlook Shapefiles: https://www.spc.noaa.gov/products/outlook/day3otlk-shp.zip
Day 4-8 Outlook Shapefiles: www.spc.noaa.gov/products/exper/day4-8/day[4,5,6,7,8]prob-shp.zip
Day 4 Outlook Shapefiles: https://www.spc.noaa.gov/products/exper/day4-8/day4prob-shp.zip
Day 5 Outlook Shapefiles: https://www.spc.noaa.gov/products/exper/day4-8/day5prob-shp.zip
Day 6 Outlook Shapefiles: https://www.spc.noaa.gov/products/exper/day4-8/day6prob-shp.zip
Day 7 Outlook Shapefiles: https://www.spc.noaa.gov/products/exper/day4-8/day7prob-shp.zip
Day 8 Outlook Shapefiles: https://www.spc.noaa.gov/products/exper/day4-8/day8prob-shp.zip
Please note that the categorical outlook shapefiles contain DN attributes which are based on the NDFD grid values which are defined as:
2 - Thunderstorm
3 - Marginal Risk
4 - Slight Risk
5 - Enhanced Risk
6 - Moderate Risk
8 - High Risk
For probabilistic outlook shapefiles the DN value denotes the probability (i.e., DN = 2 denotes 2%).
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Fire Weather Outlooks (Day 1, 2 and 3-8) Bundle
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www.spc.noaa.gov/products/fire_wx/SPC_firewx.kmz
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Individual Fire Weather Outlook (Day 1, 2, 3-8)
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Day 1, 2, 3-8 KMZ: www.spc.noaa.gov/products/fire_wx/day[1,2,38]fireotlk.kmz
Day 1 FireWX KMZ: https://www.spc.noaa.gov/products/fire_wx/day1fireotlk.kmz
Day 2 FireWX KMZ: https://www.spc.noaa.gov/products/fire_wx/day2fireotlk.kmz
Day 3-8 FireWX KMZ: https://www.spc.noaa.gov/products/fire_wx/day38fireotlk.kmz
Day 3-8 Individual KMZ: www.spc.noaa.gov/products/exper/fire_wx/day[3,4,5,6,7,8]firewx.kmz
Day 3 FireWX KMZ: https://www.spc.noaa.gov/products/exper/fire_wx/day3firewx.kmz
Day 4 FireWX KMZ: https://www.spc.noaa.gov/products/exper/fire_wx/day4firewx.kmz
Day 5 FireWX KMZ: https://www.spc.noaa.gov/products/exper/fire_wx/day5firewx.kmz
Day 6 FireWX KMZ: https://www.spc.noaa.gov/products/exper/fire_wx/day6firewx.kmz
Day 7 FireWX KMZ: https://www.spc.noaa.gov/products/exper/fire_wx/day7firewx.kmz
Day 8 FireWX KMZ: https://www.spc.noaa.gov/products/exper/fire_wx/day8firewx.kmz
Day 1, 2 FireWX Shapefiles: www.spc.noaa.gov/products/fire_wx/day[1,2]firewx-shp.zip
Day 1 FireWX Shapefiles: https://www.spc.noaa.gov/products/fire_wx/day1firewx-shp.zip
Day 2 FireWX Shapefiles: https://www.spc.noaa.gov/products/fire_wx/day2firewx-shp.zip
Day 3-8 Shapefiles: www.spc.noaa.gov/products/exper/fire_wx/day[3,4,5,6,7,8]firewx-shp.zip
Day 3 FireWX Shapefiles: https://www.spc.noaa.gov/products/exper/fire_wx/day3firewx-shp.zip
Day 4 FireWX Shapefiles: https://www.spc.noaa.gov/products/exper/fire_wx/day4firewx-shp.zip
Day 5 FireWX Shapefiles: https://www.spc.noaa.gov/products/exper/fire_wx/day5firewx-shp.zip
Day 6 FireWX Shapefiles: https://www.spc.noaa.gov/products/exper/fire_wx/day6firewx-shp.zip
Day 7 FireWX Shapefiles: https://www.spc.noaa.gov/products/exper/fire_wx/day7firewx-shp.zip
Day 8 FireWX Shapefiles: https://www.spc.noaa.gov/products/exper/fire_wx/day8firewx-shp.zip
Please note that the FireWX outlook shapefiles contain DN attributes which are based on the NDFD grid values which are defined as:
5 - Elevated Risk
8 - Critical Risk
10 - Extreme Risk
Please note that the FireWX DryT outlook shapefiles contain DN attributes which are based on the NDFD grid values which are defined as:
5 - Isolated DryT Risk
8 - Scattered DryT Risk
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Storm Reports
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www.spc.noaa.gov/climo/reports/SPC_Storm_Reports.kmz
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