NWS/WXSIM Forecast Comparison

What is NWS/WXSIM Forecast Comparison?

This script provides forecast comparisons between the National Weather Service and WXSIM forecasting software which was created by Tom Ehrensberger. WXSIM software uses weather date collected from Turner Downs Weather and from other public sources and produces a text forecast specific for the Southeastern part of Wake County.

Overnight

Overnight: Partly Cloudy
Partly Cloudy

Lo 72 °F
NWS forecast: Partly cloudy, with a low around 72. Southwest wind around 6 mph.
WXSIM forecast: Partly to mostly cloudy. Moderate fog. A slight chance of rain. Low 74°. Wind south-southwest around 5 mph. Chance of precipitation 20 percent. Precipitation mostly less than a tenth of an inch.
Tuesday

Tuesday: Mostly Sunny then Chance Showers And Thunderstorms
Mostly Sunny then Chance Showers And T-Storms

Hi 90 °F
NWS forecast: A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Southwest wind around 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
WXSIM forecast: Partly cloudy in the morning, becoming partly to mostly cloudy in the afternoon. Light to moderate fog in the morning. High 92°. Heat index up to 99°. UV index up to 9. Wind south-southwest around 7 mph, gusting to 17 mph.
Tuesday
Night
Tuesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 72 °F
NWS forecast: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. South wind 5 to 9 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
WXSIM forecast: Mostly cloudy to cloudy in the evening, becoming dense overcast after midnight. Patchy light fog. A chance of rain. Low 74°. Wind south-southwest around 6 mph, gusting to 16 mph, in the evening, becoming east-southeast around 2 mph after midnight. Chance of precipitation 50 percent. Precipitation mostly less than a quarter of an inch.
Wednesday

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

Hi 90 °F
NWS forecast: A chance of showers and thunderstorms. Partly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
WXSIM forecast: Cloudy in the morning, becoming mostly cloudy in the afternoon. Patchy light fog in the morning. A chance of rain. High 83°. UV index up to 8. Wind south-southwest near calm in the morning, becoming 5 mph in the afternoon. Chance of precipitation 50 percent. Precipitation mostly around a tenth of an inch.
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms

Lo 72 °F
NWS forecast: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind 3 to 8 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible.
WXSIM forecast: Mostly cloudy in the evening, becoming fair to partly cloudy after midnight. Moderate fog. A chance of rain in the evening, then a slight chance of rain after midnight. Low 72°. Wind south-southwest around 6 mph. Chance of precipitation 40 percent. Precipitation mostly less than a tenth of an inch.
Thursday

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

Hi 92 °F
NWS forecast: A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
WXSIM forecast: Sunny in the morning, becoming mostly sunny in the afternoon. Moderate fog in the morning. High 90°. Heat index up to 97°. UV index up to 10. Wind west-southwest around 10 mph, gusting to 21 mph.