Particularly dangerous situation - Wikipedia
PDS high wind warnings are issued by the National Weather Service when non-convective winds are expected to be especially damaging or dangerous to people and property, beyond what would be expected of a typical high wind warning.
Severe weather terminology (United States) - Wikipedia
An expected severe wind event (derecho) is the mostly likely reason for a PDS severe thunderstorm watch to be issued, with widespread winds greater than 90 mph (150 km/h or 80 knots) possible.
extreme wind reports (straight line wind gusts of 33 m/s [65 knots] or greater) was almost 1.7 times higher in PDS SEV watches than in the next highest category. Although only 22 PDS SVR watches were issued, these results suggest that the threat of extreme wind events is much higher when a PDS SEV watch is in effect. 4.2 Probability of Detection
Watch/Warning/Advisory Definitions - National Weather Service
High Wind Watch. A High Wind Watch is issued when the following conditions are possible: 1) sustained winds of 40 mph or higher for one hour or more . OR . 2) wind gusts of 58 mph or higher for any duration. High Wind Warning. A High Wind Warning is issued when the following conditions are expected:
Definitions, Thresholds, Criteria for Warnings, Watches and …
High Wind Warning: sustained winds 40 mph or greater, for better than 1 hour - and/or wind gusts 58 mph or greater, for any duration. High Wind Watch: Possibility that High Wind Warning Criteria may be met at longer ranges (24 to 48 hrs out).
NWS Jackson, MS Product Guide--Severe Weather Products
A particularly dangerous situation (PDS) severe thunderstorm watch may be issued when conditions are favorable for thunderstorms containing 1 inch or larger hail and/or wind gusts of at least 80 mph (64 knots). Typically issued for widespread, …
COD Meteorology -- Watch and Warning Criteria - College of …
A Severe Thunderstorm Watch may also come with a qualifier that labels it as a "Particularly Dangerious Situations" (PDS). A PDS watch is issued at the discretion of the forecaster and is meant to emphasize an enhanced risk of extraordinary severe and life-threatening weather.
What is a PDS watch? - The Storm Report
2021年3月17日 · PDS severe thunderstorm watches likely mean there is a threat of a high end derecho with widespread wind damage. Just how unusual is the PDS watch? According to the Cooperative Institute for Meteorological Studies at the University of Oklahoma, of 3058 tornado watches issued from 1996-2005, just 7% were labeled “PDS”.
Particularly Dangerous Situation - WikiMili
PDS high wind warnings are issued by the National Weather Service when non-convective winds are expected to be especially damaging or dangerous to people and property, beyond what would be expected of a typical high wind warning.
IEM :: Particularly Dangerous Situation (PDS) Listing
This page presents the current and unofficial IEM accounting of watches/warnings that contain the special Particularly Dangerous Situation phrasing. This phrasing is the only key used to identify such events.
- 某些结果已被删除