Mobile
Special Heat Stroke Alert ・ Heat Stroke Alert
Updated at Jul 27（Sat）17:00
Today［Jul 27］
Special Heat Stroke AlertsNot issued
Heat Stroke AlertsIssued
WBGT forecast: 31+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 Jul 27 18:00
Sapporo
21.7
Sendai
22.9
Tokyo
28.7
Niigata
28.3
Nagoya
29.4
Osaka
27.9
Hiroshima
28.1
Kochi
28.7
Fukuoka
29.9
Kagoshima
30.9
Naha
28.6
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.
