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Special Heat Stroke Alert ・ Heat Stroke Alert

Updated at Oct 14(Wed)14:00
Today[Oct 14]
Map of Japan Alert Map(Today) Special Heat Stroke AlertsNot issued Heat Stroke AlertsNot issued WBGT forecast: 31+Not issued

Heat Stress Index: WBGT

(Blue) Almost safe (Sky) Caution (Yellow) Warning (Orange) Severe Warning (Red) Danger
< 21
appropriate water replenishment suggested
21 - 25
water should be replenished often
25 - 28
rests should be provided often
28 - 31
heavy exercise prohibited
≥ 31
exercise prohibited
WBGT monitoring as of Oct 14 14:00
Sapporo
16.9
Aomori
18.2
Akita
16.7
Morioka
17.9
Sendai
19.0
Yamagata
18.2
Fukushima
19.2
Mito
22.0
Utsunomiya
21.9
Maebashi
22.9
Kumagaya
21.9
Tokyo
22.6
Choshi
22.4
Yokohama
22.0
Nagano
19.0
Kofu
23.2
Shizuoka
26.5
Nagoya
21.4
Gifu
19.1
Tsu
20.8
Niigata
18.6
Toyama
19.4
Kanazawa
17.6
Fukui
18.9
Hikone
20.9
Kyoto
21.0
Osaka
21.5
Kobe
23.1
Nara
20.7
Wakayama
21.9
Okayama
19.0
Hiroshima
18.1
Matsue
18.6
Tottori
17.2
Shimonoseki
17.5
Tokushima
22.7
Takamatsu
20.4
Matsuyama
19.8
Kochi
22.7
Fukuoka
19.2
Oita
18.4
Nagasaki
18.1
Saga
17.4
Kumamoto
19.3
Miyazaki
24.2
Kagoshima
21.2
Naha
25.2
Note

WBGT index is one of the empirical indices representing the heat stress to which an individual is exposed. (ISO7243)
WBGT varies depending on environmental situation and condition.

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