The weather watch probability tables are a non-operational product currently under
evaluation at the Storm Prediction Center. For each watch, probabilities for particular
events inside the watch (listed below in each table) are determined by the issuing
forecaster. The "Low" category contains probability values ranging from 0-20%, "Moderate"
from 30-60%, and "High" from 70-100%. High values are bolded and lighter in color to
provide awareness of an increased threat for a particular event. You may provide
feedback on this non-operational product by writing an e-mail to spc.feedback@noaa.gov.