Approved Vendor
Network Technical Capabilities
USPLN, NAPLN, and GLN data are delivered through WSI's 24x7x365 staffed data center in Massachusetts, with a redundant data operation center in Florida. This ensures the highest quality, uninterrupted data collection and distribution to our customers and resellers.Performance Metrics
Lightning Events Detected
Individual cloud-ground strokes and some cloud flashes in range
Sensor Technology
100% Time-of-Arrival
Event Time
To the nearest millisecond
Average Delivery Time
20-30 seconds from detection to user display
Delivery Uptime
99.99%
Active Operational Centers
Two (MA and FL)
Hot Spare Processors
Four
Customer Support
24x7x365
Data Delivery
Internet;
Satellite for WSI software customers and special projects; requires ICD
Satellite for WSI software customers and special projects; requires ICD
Data Formats
Binary; ASCII; shapefile; XML; KML; images; custom formats
Refer to Lightning Data Products for more information
Refer to Lightning Data Products for more information
Detection Efficiency
USPLN > 95%
NAPLN 70% to >95% for most land area
GLN varies by location 30% to >95%
NAPLN 70% to >95% for most land area
GLN varies by location 30% to >95%
Location Accuracy
USPLN < 250 meters for USPLN coverage
NAPLN 250m-1km for most land area
GLN varies by location 250m-several km
NAPLN 250m-1km for most land area
GLN varies by location 250m-several km
Geographic Coverage
USPLN - CONUS and 300 miles beyond borders
NAPLN - Refer to NAPLN Page for more information
GLN - Refer to GLN Page for more information
NAPLN - Refer to NAPLN Page for more information
GLN - Refer to GLN Page for more information
WSI Lightning Networks Brochure provides additional detail about products, services and performance of the networks.
An Overview of the United States Precision Lightning Network (USPLN)
Dr. Peter Neilley's presentation at the American Meteorological Society (AMS), Fourth Conference on the Meteorological Applications of Lightning Data, January 2009