Vendor needs to provide weather tracking software. • DTN–Weather Sentry Online Professional Program, Qty. 12:– Internet browser–based weather service, one–unit coverage.– Local, regional, and full U.S. radar coverage.– NEXRAD radar, high resolution, real time animation loops.– Alert Manager, WINS (Weather Information Notification Service).– WX Sentry Mobile.– Online weather consulting and briefing.– Precipitation timing and storm tracking with storm corridors, meteorograms, and customer defined thresholds.– 30–mile lightning detection.– 72 hour forecast for air temperature, precipitation amount, wind speed and direction, dew point, and wind chill.