Pegel vs Ground Truth

Pegel.app keeps current water levels, measurements and forecasts at your fingertips – clearly presented, quick to access and available directly on the map. The app displays gauges on rivers, waterways and coastal areas throughout Germany. The information is obtained from public data sources maintained by the Federal Waterways and Shipping Administration and other responsible authorities. Features: - Current water levels from numerous gauges - Water-level forecasts, where available - Forecast values grouped by date for several days - Measurement history and trends - Astronomical deviation between observed water levels and predicted tides, where available - High and low tide times at tidal gauges - Map with gauge locations - Sorting by name or distance - Search by gauge, waterway or region - Favourites for frequently used stations - Reference water levels and vertical datums - Water and air temperatures, where provided by the station - Sunrise, sunset, moon phase and weather information - German, English, French, Dutch, Norwegian and Spanish - For vessels 90 metres or longer, the app also calculates the permitted maximum speeds over ground on the tidal Elbe. The calculation is based on the official current data table published by the Federal Waterways and Shipping Administration and the high-water times at the four reference gauges. Whether you are monitoring a river, planning a trip, visiting the coast or spending time on the water, Pegel.app presents important water-level information in a clear and convenient format. The information shown is provided for general guidance. Official notices, flood warnings, traffic signs, instructions from vessel traffic services and nautical publications must always be followed for navigation and safety-related decisions.

Ground Truth puts every official NWS wind, hail, and tornado report on one fast, interactive map. Pick any date back to June 1999 or track severe weather reports as they come in today. Tap any pin for NWS report details and one-tap links to radar, local news, scanners, and more. Purpose-built for spotters, chasers, disaster relief teams, emergency managers, and first responders, by a fellow disaster relief volunteer. WHAT YOU CAN DO - Plot tornado, hail, and damaging-wind reports for any day since June 1999 - View live Local Storm Reports (flash floods, wildfires, heavy rain, ice, and more) - See EF-rated tornado damage tracks from official NWS surveys, with length, width, peak wind, and more - Tap any report for instant links to radar, social feeds, scanners, and local media - Download data for the field and keep working with zero signal - Get alerts for NWS storm reports in the states you follow - Share storm summary maps and videos - Filter by report type, hail size, and wind speed - View live warnings and radar BUILT FOR - Storm chasers and weather enthusiasts who want all the data - SKYWARN spotters and meteorologists verifying what actually happened - Emergency managers, CERT, ham radio operators and disaster-relief teams providing relief - Roofing/restoration teams and insurance adjusters confirming hail and wind damage by date and location FREE FOR EVERYONE - Every NWS storm report since June 1999 - Live Local Storm Reports (wildfire, rainfall totals, ice accumulations, and more) - EF-rated tornado damage tracks - Offline downloads for the field - Storm alerts for your state - Zero ads GROUND TRUTH PRO - NWS Damage Survey Photos: ground photos from official NWS tornado surveys, county by county - Unlimited Alerts: wind, hail, and tornado notifications - Custom Action Links: add your own quick links and dynamic search queries to every report Pro keeps the whole app ad-free and directly supports an independent developer, a fellow disaster-relief worker and volunteer who built Ground Truth to help others when storms hit. DATA SOURCE Reports, tracks, and survey photos come directly from the National Weather Service, NOAA Storm Prediction Center, and the NOAA Damage Assessment Toolkit, the same sources the professionals trust. We've built additional tools and resources on top of their verified data to help others prepare and respond faster. Ground Truth is an independent app from Red Sky Ready. It is not affiliated with or endorsed by NOAA or the National Weather Service. Privacy Policy: https://redskyready.com/privacy-policy/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/