National Weather Service State College, PA Weather Impact Matrix for Northumberland County Decision Support Valid: 10/19/2021 08 AM - 10/19/2021 08 PM EDT

Tue 10/19 8 AM Tue 10/19 9 AM Tue 10/19 10 AM Tue 10/19 11 AM Tue 10/19 12 PM Tue 10/19 1 PM Tue 10/19 2 PM Tue 10/19 3 PM Tue 10/19 4 PM Tue 10/19 5 PM Tue 10/19 6 PM Tue 10/19 7 PM Tue 10/19 8 PM Temperature 39°F 44°F 48°F 53°F 56°F 59°F 62°F 64°F 65°F 65°F 61°F 55°F 51°F Heat Index 38°F 41°F 45°F 53°F 56°F 59°F 62°F 64°F 65°F 65°F 61°F 55°F 51°F Wind Speed 1 mph 3 mph 5 mph 6 mph 9 mph 9 mph 9 mph 9 mph 8 mph 6 mph 5 mph 4 mph 3 mph Wind Direction S SW W W W W W W W W W W W Wind Gust 1 mph 3 mph 8 mph 10 mph 12 mph 16 mph 18 mph 17 mph 17 mph 14 mph 12 mph 10 mph 8 mph Chance of Precipitation 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% Weather None None None None None None None None None None None None None Sky Cover 1% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% 0% Rainfall (Liquid Equiv) 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in 0.0 in Issued: Monday October 18, 2021 08:11 PM

Threat Level	None	Limited	Elevated	Significant	Extreme
Temperature	≤80 °F	80 to 89 °F	90 to 94 °F	95 to 99 °F	≥100 °F
Heat Index	≤80 °F	80 to 89 °F	90 to 94 °F	95 to 99 °F	≥100 °F
Wind Speed	≤10 mph	10 to 14 mph	15 to 24 mph	25 to 34 mph	≥35 mph
Wind Gust	≤15 mph	15 to 24 mph	25 to 34 mph	35 to 44 mph	≥45 mph
Chance of Precipitation	≤15 %	15 to 24 %	25 to 54 %	55 to 74 %	≥75 %
Rainfall (Liquid Equiv)	≤0.1 in	0.1 to 0.24 in	0.25 to 0.49 in	0.5 to 0.99 in	≥1.0 in

Note -

Grey color indicates no thresholds assigned