Wind Chill Temperature Table
Wind Chill Temperature Table
Wind
Speed (mph)
↓ Air Temperature (°F)
40 35 30 25 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45
0
40 35 30
25 20 15 10 5 0 -5 -10 -15 -20 -25 -30 -35 -40 -45
5
36 31 25
19 13 7 1 -5 -11 -16 -22 -28 -34 -40 -46 -52 -57 -63
10
34 27 21
15 9 3 -4 -10 -16 -22 -28 -35 -41 -47 -53 -59 -66 -72
15
32 25 19
13 6 0 -7 -13 -19 -26 -32 -39 -45 -51 -58 -64 -71 -77
20
30 24 17
11 4 -2 -9 -15 -22 -29 -35 -42 -48 -55 -61 -68 -74 -81
25
29 23 16
9 3 -4 -11 25 -24 -31 -37 -44 -51 -58 -64 -71 -78 -84
30
28 22 15
8 1 -5 -12 -19 -26 -33 -39 -46 -53 -60 -67 -73 -80 -87
35
28 21 14
7 0 -7 -14 -21 -27 -34 -41 -48 -55 -62 -69 -76 -82 -89
40
27 20 13
6 -1 -8 -15 -22 -29 -36 -43 -50 -57 -64 -71 -78 -84 -91
45
26 19 12
5 -2 -9 -16 -23 -30 -37 -44 -51 -58 -65 -72 -79 -86 -93
50
26 19 12
4 -3 -10 -17 -24 -31 -38 -45 -52 -60 -67 -74 -81 -88 -95
LITTLE DANG E R INCREASED DANGER GREAT DANGER
RISK OF FROSTBITE (see times on chart below)
GREEN LITTLE DANGER (frostbite occurs in >2 hours in dry, exposed skin)
YELLOW INCREASED DANGER (frostbite could occur in 45 minutes or less in dry, exposed skin)
RED GREAT DANGER (frostbite could occur in 5 minut es or less in dry, exposed skin)
Wind Chill Category
Work Intensity
Little
Danger
Increased Danger
Great
Danger
High
Digging foxhole, running,
marching with rucksack,
making or breakin g bivouac
Increased surveillance b y small
unit leaders; Black gloves
optional - mandatory below 0
o
F
(-18
o
C);
ECWCS or equivalent; Mitten s
with liners; No facial
camouflage; Expose d skin
covered and kept dry; Rest in
warm, sheltered area; Vapor
barrier boots below 0
o
F (-18
o
C)
Provide warming facilities
Postpone non-essential training;
Essential tasks only with <15
minute exposure; Work groups
of no less than 2; Cover all
exposed skin, Provide warming
facilities
Low
Walking, marching without
rucksac k, drill and ceremon y
Increased surveillance; Cover
exposed flesh when possibl e;
Mittens with liner and no facial
camouflage below 10
o
F (-
12
o
C); Full head cover below
0
o
F (-18
o
C). Keep skin dr y -
especial ly around nose and
mouth.
Restrict Non-essential training;
30-40 minute work cycles with
frequent supervisory
surveillance for essential tasks.
See above.
Cancel Outdo or Trainin g
Sedentary
Sentry duty, eating, resting,
sleeping, clerical work
See above; Ful l head cover and
no facial camouflage below
10
o
F (-12
o
C); Cold- weather
boots (VB) below 0
o
F (-18
o
C);
Shorten duty cycles; Provide
warming facilities
Postpone non-essential
training; 15- 20 minute work
cycles for essential tasks; Work
groups of no less than 2
personnel; No exposed ski n
Cancel Outdo or Trainin g
These guidelines are generalized for worldwide use. Commanders of units with extensive extreme cold-
weather training and specialized eq uipment may opt to use less cons ervative guidelines.
Source: USARIEM Technical Note “SUSTAINING HEALTH & PERFORMAN CE IN COLD WEATHER OPERATIONS,” October
2001
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