Severe Weather Probabilities and Attributes for Day 1

This is the "suppliment" section to the day 1 outlook. This page contains additional technical data being sent along with each outlook that is issued. This information will be updated as necessary to correspond with the latest outlook product. All data on this page is valid for the time period specified. If a "PDS" situation is expected, such information will also be indicated here. But only during those times!

SEVERE PROBABILITIES/ATTRIBUTES
Value
Probability of at least three (3) or more tornadoes (EF-0 to EF-2) magnitude...
02%
Probability of at least twelve (12) or more damaging wind events...
40%
Probability of at least twelve (12) or more severe hail events...
15%
Probability of at least eight (8) or more combined severe wind and hail events...
50%
Maximun hail size in diameter (inches)...
2.5
Extreme turbulence and surface wind gusts of 60 knots or greater...
80%
A few cumulonimbi with maximum tops to (X-100's feet):
650
Mean storm motion vector (degrees and knots)...
27030

The following information will be available "only when a PDS situation is declared for parts of our coverage region".

PDS...Particularly Dangerous Situation...
Yes/No
Probability of at least 4 or more strong to violent tornadoes (EF3-EF5 Intensity)...
--
Probability of at least 8 or more significant damaging wind events (>= 80 knots)...
--
Probability of at least 8 or more significant large hail events (>= 3 inches):
--
Probability of at least ten (10) or more combined extreme wind and hail events...
--

  • To obtain the latest situation report click this link.
  • To return to the day 1 convective outlook page click this link.