Forecast Update
Valid: Tue 02 Oct 2007 12:00 to Wed 03 Oct 2007 06:00 UTC
Issued: Tue 02 Oct 2007 15:06
Forecaster: VAN DER VELDE

Update:

12Z Jokioinen, St. Petersburg and Petrozavodsk soundings indicate very moist profiles with weak erratic winds and strong low-level buoyancy. These conditions are favorable for land- and waterspouts, some of which capable of F1 damage.