I don't think you have a problem, provided that turnon is at
reasonable temperatures and sparse. Note the derating on
power, from 100% @ 70C to 0% at 150C. The thermal mass
of the resistor ought to keep temperature spike pretty low.
You are way below the current limit. Stackpole may have
info on pulsed power handling if you dig.
If you want to get more margin, put 2, 2X value resistors in
parallel.
You may be able to find higher rated ones with either a
thicker film, or a bulk resistance material. Or go up to an
0804.