Extended Forecasts from Carolina StormWatch

Compare NWS vs WxSIM Forecasts Being Withing 2 Degrees

NWS Forecasts

Today

Today: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 82 °F
Tonight

Tonight: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 70 °F
Thursday

Thursday: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Hi 83 °F
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 68 °F
Friday

Friday: Partly Sunny
Partly Sunny

Hi 83 °F
Friday
Night
Friday Night: Mostly Cloudy
Mostly Cloudy

Lo 70 °F
Saturday

Saturday: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Hi 83 °F
Saturday
Night
Saturday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 71 °F
Sunday

Sunday: Showers And Thunderstorms Likely
Showers And T-Storms Likely

Hi 81 °F

WxSim Forecasts

Today

Thunder storm
Hot!
Thunder storm
Hot!
High: 90°
Tonight

Thunder storm
Thunder storm
Low: 69°
Thursday

Rain likely
Rain likely
High: 81°
Thursday
night
Chance rain
Chance rain
Low: 68°
Friday

Thunder storm
Thunder storm
High: 84°
Friday
night
Fog late
Fog late
Low: 68°
Saturday

Fog a.m.
Hot!
Fog a.m.
Hot!
High: 87°
Saturday
night
Fog late
Fog late
Low: 71°
Sunday

Chance rain
Chance rain
High: 83°


WxSim & NWS Forecast Comparison

National Weather Service (NW), Actual Observed (Act), WxSim Generated (WS)

4AM Forecasts
Updated: at
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ
% Succ                                                
Ave Error                                                
Net Error                                                
Std Dev                                                

6AM Forecasts
Updated: at
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ
% Succ                                                
Ave Error                                                
Net Error                                                
Std Dev                                                

8AM Forecasts
Updated: at
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ
% Succ                                                
Ave Error                                                
Net Error                                                
Std Dev                                                

10AM Forecasts
Updated: at
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ
% Succ                                                
Ave Error                                                
Net Error                                                
Std Dev                                                

12PM Forecasts
Updated: at
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ
% Succ                                                
Ave Error                                                
Net Error                                                
Std Dev                                                

2PM Forecasts
Updated: at
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ
% Succ                                                
Ave Error                                                
Net Error                                                
Std Dev                                                

4PM Forecasts
Updated: at
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ
% Succ                                                
Ave Error                                                
Net Error                                                
Std Dev                                                

6PM Forecasts
Updated: at
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ
% Succ                                                
Ave Error                                                
Net Error                                                
Std Dev                                                

8PM Forecasts
Updated: at
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ
% Succ                                                
Ave Error                                                
Net Error                                                
Std Dev                                                

10PM Forecasts
Updated: January 19, 2018 at 10:00 pm
Goal Forecast Day Day +1 Day +2 Day +3
± 2.0° F Low High Low High Low High Low High
Date NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
January 19, 2018 31   29 58   62 38   34 62   67 40   38 65   70 51   56 64   69
January 18, 2018 26 22.8 24 54 40.3 58 32   27 60   63 38   32 60   67 39   37 64   71
January 17, 2018 22 22.1 19 42 56.8 45 27 22.8 25 54 40.3 59 32   28 57   63 39   33 64   67
January 13, 2018 25 28.9 24 40 55.2 46 21 22.1 20 46 56.8 50 26 22.8 24 50 40.3 59 32   31 42   47
January 12, 2018 47 34.3 42 54 67.3 56 29 28.9 27 42 55.2 47 24 22.1 21 45 56.8 51 27 22.8 24 49 40.3 57
January 11, 2018 62 58.6 61 69 75.0 74 50 34.3 44 55 67.3 56 30 28.9 31 43 55.2 48 24 22.1 24 45 56.8 53
January 10, 2018 53 55.0 52 67 71.4 75 60 58.6 55 68 75.0 74 53 34.3 53 55 67.3 57 31 28.9 35 45 55.2 51
January 09, 2018 41 39.4 37 59 67.4 65 51 55.0 44 66 71.4 72 59 58.6 55 68 75.0 73 50 34.3 51 58 67.3 64
January 08, 2018 39 37.4 37 56 54.3 66 42 39.4 37 61 67.4 68 50 55.0 46 66 71.4 74 56 58.6 56 68 75.0 75
January 07, 2018 22 16.3 17 51 35.0 58 37 37.4 38 58 54.3 65 41 39.4 38 54 67.4 65 51 55.0 47 66 71.4 76
January 06, 2018 13 14.4 14 35 34.2 40 21 16.3 21 50 35.0 58 37 37.4 37 57 54.3 62 42 39.4 39 59 67.4 59
January 05, 2018 16 17.1 16 35 37.6 36 13 14.4 16 35 34.2 39 23 16.3 24 56 35.0 61 42 37.4 43 57 54.3 55
January 04, 2018 14 13.3 18 33 38.3 41 14 17.1 18 34 37.6 38 12 14.4 17 40 34.2 41 28 16.3 25 57 35.0 64
January 03, 2018 22 22.3 23 38 34.2 40 14 13.3 16 35 38.3 39 15 17.1 18 36 37.6 37 18 14.4 18 43 34.2 41
Results NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS NW Act WS
# Succ 8 6 2 2 6 4 1 5 5 5 1 2 1 3 0 2
% Succ 61.5   46.2 15.4   15.4 50.0   33.3 8.3   41.7 45.5   45.5 9.1   18.2 10.0   30.0     20.0
Ave Error 2.9   2.5 8.2   8.3 3.3   3.6 7.9   7.2 4.0   4.4 9.4   8.2 5.3   5.5 9.4   7.8
Net Error 1.5   0.2 -2.6   2.5 1.6   0.1 -2.4   2.7 2.2   1.6 -2.2   3.0 4.0   3.3 -1.0   3.8
Std Dev 3.2   2.2 5.8   6.8 4.2   3.4 5.3   7.3 5.3   5.5 5.8   6.2 5.0   5.4 6.2   6.6