Tropical Cyclone Rainfall Forecasting Flashcards
76% of TC-related deaths are caused by _________ or rain- induced ____________
Storm surge, freshwater flooding
Stratiform rain makes up about ____ of the total rain from TC
50%
Diurnal cycle- ______ rainfall: (1) generally near the ________ overnight; (2) ________ rainband rainfall during the ______.
Heaviest, storm center, outer, day
Moisture- ________ of ____ air can redistribute and/or ____ the amount of precipitation; increased moisture can _______ rainfall
Entrainment, dry, reduce, increase
Situations that favor the “big ones”
Slow-moving storms (less than 5 knots)
More than ____ of lightning flashes occurred _______
90%, downsheared
Downshear ______ slightly favored within the _______ rainbands
Left, inner
Downsheared ______ favored within ______ rain bands
Right, outer
Very slow moving TCs and symmetrical TCs produce the most rainfall __________
Near the center
TCs that move into a break in the ________ often produce most of the rain _____ of their track
Subtropical ridge, right
TCs that _____ due to significant _______ in the westerlies often produce most of their rain _____ of their track
Recurve, upper troughs, left
Maximum Rainfall at ________
Night
Storm total rainfall =
100/storm motion speed (kt)
____ responsible for the wording of the rainfall statement included within NHC public advisories (TCP) beginning in 2005
WPC
