wXL23 vs StormBase

For USA Weather only: wXL23 is a free, no-ads, and open-source ( GNU GPLv3 / APL2.0 ) advanced weather application that is geared towards storm chasers, meteorologists, and weather enthusiasts. NWS ( National Weather Service ) data is optimized for mobile format and provided for divisions not normally covered together in the mobile space: SPC, WPC, NHC, OPC, etc. Level 3 Nexrad radar (single, dual, quad pane). This weather app is not affiliated with NOAA or the National Weather Service. If you *only* need current conditions and your local 7 day forecast then this app is probably more then you need although it will easily provide those 2 things as well. If you are looking for wasted screen real estate or fancy graphics this app is not for you. Given the depth of information covered there is a steep learning curve if you seek to use the program in it's entirety, help information is available and touched on below. Common weather acronyms are used throughout so you should be familiar with those as well. Currently United States locations are supported. - Current forecast, 7 day conditions, sounding data for an unlimited number of locations from NWS. - Customizable home screen - Metal based Nexrad radar interface with numerous options. 2 pane and 4 pane version also available in MISC tab. - Optimized text product viewer for easy access to AFD, HWO and others from any NWS WFO. - Vis/IR/WV/Radar mosaic viewer ( with animations ). - SPC products (such as Watches/MCDs/Convective Outlooks/Mesoanalysis) - WPC products - Weather models - NHC products NOTE: iPhone 5s or newer required for Nexrad radar viewer.

StormBase is a one-time $0.99 purchase, with no nonsense subscriptions or recurring fees. It helps you track high-impact weather and space weather in one clean, fast app. Built around official NOAA and NWS products*, StormBase brings forecast outlooks, live alert maps, status feeds, and technical tools into a single workflow so you can check what matters quickly and with context. Whether you are a weather enthusiast, spotter, pilot, forecaster, or emergency-focused user, StormBase is designed to reduce tab-hopping and keep core U.S. weather intelligence organized, current, mobile friendly, and easy to interact with. Features: - SPC coverage in one place: Day 1-8 convective outlooks, fire weather outlooks, watches, mesoscale discussions, local storm reports, partner regional graphics, and experimental guidance. - WPC products: PMD discussions, Excessive Rainfall Outlooks (Day 1-5), QPF Day 1-7 and multi-day totals, plus an interactive surface analysis viewer. - CPC outlook suite: 6-10 and 8-14 outlooks, monthly/seasonal outlooks, drought outlooks, and Hazards products including Day 3-7 composite Hazards - SWPC space weather view: SWPC alert messages and forecast scales, X-ray trends, solar probabilities, sunspot/solar region data, and numerous solar imagery loops. - Satellite imagery: GOES East/West, Himawari, and EUMETSAT selection, multiple sectors including mesoscale, multiple bands, and animated loop playback with latest-frame start options. - Fully interactive earthquake viewer map. - U.S. Alerts dashboard: National alerts map plus grouped active warnings, watches, and advisories with search, filters, and sort options. - Radar network status: Monitor radar site health, see outage/status messaging, and search/filter stations quickly. - Soundings archive browser: View observed radiosonde products by station, date, and cycle and sounding climatology. - Historical Events browser: NOAA SWDI historical weather events with year/month/day drill-down, event type filtering, impact sorting, metadata, and narrative views. - NWS local forecast tools: saved U.S. locations with point forecasts, hourly graphs, active alerts, local storm reports, AFD summaries, office graphics, and recent observation history. - NWS WFO Text Products: Browse WFO AFD/CLI/CLM/CLA bulletins by office, quick-jump search to specific WHO and product, plus ADM/ADA administrative messages. - SPC Mesoanalysis viewer: layered SPC mesoanalysis products in a dedicated in-app browser. - SPC Archive tools: browse archived convective outlooks, archived MCDs, archived watches, archived mesoanalysis, and archived preliminary storm reports, including historical images and report tables. - Observations + models: MAG observations, sector/product/cycle loops, SKEWT, and MAG model guidance with run comparisons. - Aviation Weather Center Products: METAR/TAF search plus a native AWC graphics viewer for aviation weather products. - Moon phases page for saved or current location. - iCloud sync across devices for favorite app pages. - Favorites and quick access: Pin frequently used products and jump back fast. - Customizable layout: Configure menu destinations and viewing preferences for your workflow. - Time and refresh controls: Current UTC time, Local/UTC display options and foreground refresh behavior. - Built-in glossary and references - Native app language support in Japanese, Korean, French, English GB, and English AU. - Privacy-minded design: No ad SDKs, no profiling analytics, and locally stored preferences/caches. Widget Suite: Favorites widget, SPC Outlook widget, Radar Status widget, WFO Bulletin widget, METAR Widgets, Situational Summary widgets (Home Screen + Lock Screen) Data and attribution:
 StormBase uses official public weather sources including NOAA/NWS/NCEP centers. *StormBase is not affiliated with or endorsed by NOAA/NWS.