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 #:	1997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024
SAW Issuance	201904191733-KWNS-WWUS30-SAW2
SEL Issuance	201904191735-KWNS-WWUS20-SEL2
Watch Probs	201904191732-KWNS-WWUS40-WWP2
Issue:	2019-04-19 17:35 UTC
Expired/Cancelled:	2019-04-20 01:46 UTC
WOU Outline Shapefiles	18Z, 19Z, 20Z, 21Z, 22Z, 23Z, 00Z, 01Z,

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>-79.81,29.37 -80.9,26.2 -82.83,26.2 -81.8,29.37 -79.81,29.37</coordinates></LinearRing></outerBoundaryIs></Polygon></MultiGeometry>

Watch Polygon (GeoJSON):

{"type":"MultiPolygon","coordinates":[[[[-79.81,29.37],[-80.9,26.2],[-82.83,26.2],[-81.8,29.37],[-79.81,29.37]]]]}