Severe Weather Charts

REGIONAL DETERMINISTIC PREDICTION SYSTEM (RDPS) - Summer

Wind1
00 UTC 06 UTC 12 UTC 18 UTC
T+00 T+00 T+00 T+00
    T+06 T+06
T+12 T+12 T+12 T+12
T+18 T+18 T+18 T+18
T+24 T+24    
Stability and Moisture2
00 UTC 06 UTC 12 UTC 18 UTC
T+00 T+00 T+00 T+00
    T+06 T+06
T+12 T+12 T+12 T+12
T+18 T+18 T+18 T+18
T+24 T+24    
Energy, Wind Shear and Helicity3
00 UTC 06 UTC 12 UTC 18 UTC
T+00 T+00 T+00 T+00
    T+06 T+06
T+12 T+12 T+12 T+12
T+18 T+18 T+18 T+18
T+24 T+24    

1. Wind, Tropopause and 250 hPa heights 
2. Stability indices, Dewpoints, Water Content 
3. Buoyant energy, Helicity, Storm Severity Index

00z Production Run (Normally updated between 5:00 and 6:00 UTC), 12z Production Run (Normally updated between 17:00 and 18:00 UTC)

REGIONAL DETERMINISTIC PREDICTION SYSTEM (RDPS) - Winter

Pressure, Thicknesses and Precipitation Types
00 UTC 06 UTC 12 UTC 18 UTC
T+12 T+12 T+12 T+12
T+18 T+18 T+18 T+18
T+24 T+24 T+24 T+24
T+30 T+30 T+30 T+30
T+36 T+36 T+36 T+36
T+42 T+42 T+42 T+42
T+48 T+48 T+48 T+48
250 hPa, wind, moisture4
00 UTC 06 UTC 12 UTC 18 UTC
T+12 T+12 T+12 T+12
T+18 T+18 T+18 T+18
T+24 T+24 T+24 T+24
T+30 T+30 T+30 T+30

4. chart is updated daily October to April only

T+hh refers to the forecast’s time interval (hh), in hours, from the hour T of the model’s initial run time. The hour T is indicated, in Universal Time, at the top of each column.