1. Severe Wx Products
  2. Storm Prediction Center Convective Watch Archive

This application presents a browsable archive of SPC issued tornado and severe thunderstorm watches. Each sequential watch is assigned a numeric ID, which uniquely identifies a watch for each year. Up until 2006, the polygon was the valid area of the watch. Since then, the valid area is issued by county and marine zone.

Related Links: View This Watch on SPC Website   Download Watches   List PDS Watches

All active watches at issuance:

Previous Watch   --   Next Watch

Type:SVR
Watch #:
SAW Issuance202505010047-KWNS-WWUS30-SAW2
SEL Issuance202505010050-KWNS-WWUS20-SEL2
Watch Probs202505010045-KWNS-WWUS40-WWP2
Issue:2025-05-01 00:50 UTC
Expired/Cancelled:2025-05-01 05:13 UTC
WOU Outline Shapefiles01Z, 02Z, 03Z, 04Z, 05Z,

Archive Status:

  • Watch archive should be complete back to 1997.
  • RADAR composite is mostly complete back to 1997.
  • Local Storm Reports are available after 2002.

Initial Watch Box and Watch By County Outline


Local Storm Reports:

Watch Polygon (KML):

<MultiGeometry><Polygon><outerBoundaryIs><LinearRing><coordinates>-97.42,31.58 -93.97,32.16 -93.97,30.85 -97.42,30.28 -97.42,31.58</coordinates></LinearRing></outerBoundaryIs></Polygon></MultiGeometry>

Watch Polygon (GeoJSON):

{"type":"MultiPolygon","coordinates":[[[[-97.42,31.58],[-93.97,32.16],[-93.97,30.85],[-97.42,30.28],[-97.42,31.58]]]]}