Figure 11.9: Heat or cold alerts
Total annual number of alerts and days, Middlesex-London, 2005 to 2011
Source:Middlesex-London Health Unit Internal Extreme Temperature Alert Protocol Database, Date Extracted: January 10, 2012
- The annual number of extreme temperature alerts over time has varied however the total indicates that Middlesex-London experienced more cold alerts (and total days under cold alert) than heat alerts.
- 2009 was particularly cold, with eight separate alerts over a total of 20 days.
- 2005 and 2010 had the highest number of heat alerts and days under alert for the whole time period.