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Special Heat Stroke Alert ・ Heat Stroke Alert
Updated at May 18（Sat）5:00
Today［May 18］
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 18 13:00
Sapporo
20.3
Sendai
20.1
Tokyo
24.8
Niigata
17.5
Nagoya
19.9
Osaka
19.2
Hiroshima
19.5
Kochi
20.4
Fukuoka
22.1
Kagoshima
22.3
Naha
24.4
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.
