Special Heat Stroke Alert ・ Heat Stroke Alert
Updated at May 9(Thu)5:00
Today[May 9]
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 May 9 5:00
Sapporo
3.6
Sendai
7.4
Tokyo
9.8
Niigata
8.0
Nagoya
9.2
Osaka
9.2
Hiroshima
7.3
Kochi
8.6
Fukuoka
9.7
Kagoshima
9.2
Naha
16.7
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.