Current Severe Weather

• NWS Text Product Finder
  A quick and easy way to find NWS text products if you know the product identifiers.
• Web iembot monitor
  This fancy application allows you to monitor text products coming from your local NWS office or the entire nation in realtime!
• Current NEXRAD Storm Attributes
  Point shapefile generated every minute containing a summary of NEXRAD storm attributes.
• Convective Watches Overview
  10 maps of the last locations of convective watches issued by SPC.

GIS Local Storm Reports

• Current Shapefile
  A shapefile of Local Storm Reports (LSRs) valid for the past 24 hours. The file is updated every 5 minutes.
• Download Archived LSRs
  Generate a shapefile of LSRs for a period of your choice dating back to 2003!

GIS Watch/Warnings

• Current Shapefile
  A shapefile of active county based and storm based based weather warnings. This file is updated every 5 minutes.
• Download Archived NWS Warnings
  Generate a GIS shapefile of weather warnings for a time period of your choice!

Apps with Statistics

• Summary of Polygon Sizes
  View storm based warning size summary statistics by WFO for a period of your choice.
• Top 10 Polygon Sizes
  List top 10 largest and smallest storm based warnings by WFO.

Apps with Archives

• IEM Cow
  Unofficial NWS storm-based warning verification.
• Search by County/Zone
  Find archived warnings by searching for a county or zone.
• Storm Prediction Center (SPC) Watches since 1997.
  Maps of SPC issued watches and initial RADAR (since 1997) at watch issuance.
• Nationwide Weather Warnings.
  Popular web mapping application showing all sorts of information relating to severe weather. Works great for situational awareness displays.
• VTEC product browser
  Popular application that allows you to navigate thru an archive of weather warnings. Full text is displayed along with the maps.
• MidWest Composite w/ warnings
• US Composite w/ warnings
• Storm Based Warnings: daily summary images, images displaying sbw for a given date.

Severe Weather Outlooks

Storm Prediction Center convective outlooks:

Current Day 1 Outlook

Current Day 2 Outlook

Current Day 3 Outlook

Current Day 4-8 Outlook