The Halethorpe Weather-Watch webpage is updated from recent data collected by a Davis Instruments Vantage Pro2 Plus weather station. Additional data is collected by a LabJack model U12, data acquisition and control device, with analog output temperature sensors. The weather data is processed, weather maps and metars downloaded, files organized and uploaded - all by Weather Display software.

39.24 N 76.7 W 86 ft The weather station is located at 76°41'49.47" West & 39°14' 12.03" North at an altitude of 86 feet above sea level. Halethorpe, Maryland, postal zipcode 21227, is in Baltimore County. Located southwest of Baltimore City, near the intersection of I-95 and I-195. In operation since: Aug 13, 2003 (8428 days) Console - AC power adapter output 5VDC, 900ma with 3xC batteries. Sensors - solar panel with 1x3V Lithium battery. FARS - solar panel with 2xC batteries 2560 records at 1 minute interval ~ 42.5 hrs Data from all sensors is updated to console every 2.5s The weather station equipment is running on dedicate Trigkey G4 Mini PC (Amazon $129). The computer has a 12th Generation Intel Alder Lake-N N95 Processor, 16GB DDR4 SDRAM, and 500GB M.2 2280 SSD (dual 4K@60Hz HDMI/WiFi5/BT4.0), running on Windows 11 Pro 64-bit operating system. Backup power provided by CyberPower 1350VA UPS. Weather data is uploaded by the Xfinity Arris TG862 modem. Xfinity speed test shows a download rate at 390 mbps and upload rate at 112 mbps. Website hosted by MDDHosting on a shared server which provides 1 CPU core, 1 GB RAM, 20 entry processes, 100 processes, 10 megabytes/sec disk I/O, 25 concurrent MySQL connections, 250K inodes (files/folders). Meteotemplate - Two SV3C 1080ip cameras. https://www.halethorpeweather.com/wx11.php

The indoor thermometer is part of the indoor console. Range: 32 to 140°F Resolution: 0.1°F Accuracy: +/- 1°F The indoor humidity sensor is part of the indoor console. Range: 10% - 90% Resolution: 1% Accuracy: +/- 5% Sensiron SHT31 temperature/humidity sensor in Davis 24-hour fan aspirated radiation shield. Range: - 40 to + 150°F Resolution: 0.1°F Accuracy : +/- 0.5°F across entire range Sensiron SHT31 temperature/humidity sensor in 24-hour fan aspirated radiation shield. Range: 0 to 100% Resolution: 1 % Accuracy : +/- 2% across entire range The pressure sensor is part of the indoor console Range: 26 to 32"Hg Resolution: 0.01" Hg Accuracy : +/- 0.03" Hg at sea level Davis Vantage Pro2 anemometer mounted at 26 ft above the ground. Range: 2 to 150 mph Resolution: 1 mph Accuracy: +/- greater of 3 mph or 5% Davis Vantage Pro2 anemometer mounted at 26 ft above the ground. Range: 0 to 360° Resolution: 1° Accuracy: +/- 7° Davis Vantage Pro2 rain collector with 0.01" tipping Range: 0 to 99.99" Resolution: 0.01" Accuracy: +/- greater of 4% or 1 tip Davis Vantage 2 Pro Range: 0 to 1800 W/m² Resolution: 1 W/m² Accuracy: +/- 5% of full scale Davis Vantage 2 Pro Range: 0 to 16 index Resolution: 0.1 index Accuracy: +/- 5% of full scale Hobby Boards 1-wire lightning counter Range: 0 to 300 strikes per min Resolution: 1 strike Accuracy : unknown Hosting: NAPLN™ lightning sensor Equipment: TOA Precision Lightning Sensor™ model LPS-200 Range: Monitoring 10Km radius https://www.halethorpeweather.com/wx10.php LabJack U12 with LM335 temperature sensor buried 4" (10cm) below ground. Range: -40 to 140°F Resolution: 0.1°F Accuracy : +/- 2°F LabJack U12 with LM335 temperature sensor suspended at 4" (10cm) above the ground. Range: -40 to 140°F Resolution: 0.1°F Accuracy : +/- 2°F