The FDI SMS
HOW 2: UNDERSTAND THE FIRE DANGER INDEX (FDI) SMS
You as a member will receive a SMS twice a day at 10h30 and 14h30.
This is how you should interpret your sms:
Note that the Data is the ACTUAL AVERAGE FOR the REGION.
Data is collected from different weather stations in the region and then an average is calculated for the region.
Comparing history data will give you a more accurate average.
TIME: 10:30
NST 31/10
The name of your Dispatch centre and the date
10H00 FDI: 29 gr
The time of the Actual Average FDI for your region
Temp: 22 °C
The Average Temperature of the real-time Average for the Region
RH: 68%
The Average Relative Humidity % of the real-time average for the region
Wind: NNE @ 11km/h
The real-time average wind direction and average speed for the region
14H00 F/C: 35 gr
The 14H00 average FDI forecast for the region
AVE RAIN: 3 mm
The actual average rainfall for the region over the last 24 hours measured at 10H00
Red Flag: wind on the Escarpment
Red Flag – Warning of possible weather conditions that exceed the 30:30 rule
Average Temp. greater than 30°C and W/Speed average greater than 30 km/h
This will be the standard SMS received – however there might be some additional info on your SMS
TIME: 14:30
NST 31/10
The name of your Dispatch centre and the date
10H00 FDI: 29 gr
The time of the Actual Average FDI for your region at 14H00
Temp: 22 °C
The Average Temperature of the real-time Average for the Region
RH: 68%
The Average Relative Humidity % of the real-time average for the region
Wind: ESE @ 11km/h
The real-time average wind direction and average speed for the region
14H00 FDI F/C:
The 14H00 average FDI forecast for the next 3 days in your region
31/10: 35 gr
01/11: 49y
02/11: 42y
(The 3 day advanced forecast can change as this is just an indicator and not real-time data, depending on the movement of the weather systems
DO NOTE THAT WHEN THE FORECAST FOR 14H00 FDI IS BLUE, THE DISPATCH CENTRE WILL BE CLOSED.