Flash warnings of severe or extreme weather |
| These are issued when the Met Office has 80% or greater confidence that severe weather is expected in the next few hours. |
Local areas affected |
Warning type |
Valid from |
Valid to |
| No flash warnings have been issued for North West England |
 |
Early warnings of severe or extreme weather |
| These are issued when the Met Office has 60% or greater confidence that severe weather is expected in the next few days. |
Risk of disruption |
Warning |
Valid from |
Valid to |
| No early warnings have been issued for North West England |
|
Advisory of severe or extreme weather |
| These advisories are issued by 1100 daily as routine and indicate confidence of expected severe or extreme weather. Early warnings and Flash Warnings supersede advisories when confidence levels are 60% or greater. |
Risk of disruption |
Warning |
Valid |
North West England:| | Blackburn with Darwen | | | Cheshire | | | Gtr Manchester | | | Halton | | | Lancashire | | | Merseyside | | | Warrington |
|
Heavy Rain |
Thu 21 Aug |
|
There is a moderate risk of a severe weather event affecting parts of northern England. Outbreaks of rain will become heavy at times and will give accumulations of 15 mm in many areas and locally as much as 30 mm.
Issued at: 1111 Wed 20 Aug
|
