Professional weather radar
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RadarScope is a specialized display utility for weather enthusiasts and meteorologists that allows you view NEXRAD Level 3 and Level 2 radar data along with tornado, severe thunderstorm, flash flood, special marine and snow squall warnings, and predicted storm tracks issued by the U.S. National Weather Service. It can display the latest reflectivity, velocity, dual-polarization, and other products from any NEXRAD or TDWR radar site in the United States, Guam, Puerto Rico, Korea, and Okinawa, as well as data from Environment Canada, Australian Bureau of Meteorology, Finnish Meteorological Institute, and German Weather Service radars. These aren't smoothed images, this is native radar data rendered in its original radial format for a high level of detail.

Whether you are scanning reflectivity for a mesocyclone's tell-tale hook echo, trying to pinpoint the landfall of a hurricane's eye wall, or looking for small features like velocity couplets in the storm relative radial velocity product, RadarScope gives you the power to view true radial weather radar data.

RadarScope displays tornado, severe thunderstorm, flash flood, special marine, and snow squall warnings issued by the U.S. National Weather Service. You can browse the list of active warnings, select a warning to view the details, and even zoom to the selected warning on the map.

Pinch or stretch to zoom in and out. Drag your finger around the map to scroll. Tap the radar sweep button in the toolbar to switch radars. Select one of the 289 different radars in the United States, Canada, Australia, Germany, Korea, Puerto Rico, Guam, or Okinawa. Plot your current location by tapping the location button and optionally report it to the Spotter Network. Tap the play button to download and animate over recent images. Display the names of over 25,000 cities and towns on the map as you zoom and scroll. Tap and hold the color legend to see the data values.

Meanwhile, RadarScope will retrieve and display updated data automatically and intelligently (approximately every 2 to 10 minutes, depending on the radar scan strategy).

You can display radar data from our servers, NOAA's public access web site, or your Allison House subscriber account. Spotter Network members can report their location and view the locations of other spotters.

RadarScope Pro is an optional auto-renewing subscription with two different tiers to choose from.

RadarScope Pro Tier One is an annual subscription that provides access to real-time animated lightning data and up to 30 frames of radar data, including extended loops of super-resolution data. Tier One subscribers can also access a data interrogation tool to quickly determine data values for specific radar pixels and an optional dual-pane mode for viewing two radar products side-by-side.

RadarScope Pro Tier Two is an annual or monthly subscription that combines all the features in Tier One with more advanced features, including 50-frame loops, SPC outlooks, special weather statements, mesoscale discussions, local storm reports, hail size and probability contours, and azimuthal shear contours in the U.S., a 30-day archive of all radar products, a 2-year archive of NEXRAD Level 3 radar products, a full historical archive of NEXRAD Level 2 products, and the ability to use subscription features across multiple platforms.

If you choose to buy the RadarScope Pro subscription, it will charged to your iTunes account. The subscription will be auto-renewed within 24 hours prior to the end of the current period at the same price you originally paid. Subscriptions may be managed and auto-renewal disabled via your iTunes Account Settings after the purchase. Once purchased, the subscription cannot be cancelled during the active subscription period.

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Pro Tier 1
Pro Tier 2
RadarScope Pro Subscription


User Rating

4.2 out of 5

2,139 ratings in United States

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Ratings History


Storm tracking accuracy

mailman88 on

When the radar loops and storms are tracking…the direction of storms is not accurate. Please fix it. I must check other radar sites, to verify what direction the storm is going.


markbarbee on

This would be a fantastic app if more than one site could be viewed at a time. Otherwise this is not a very useful app for aviation strategic planning.

Great app! A few feature requests

AlecS.ThePhotographer1000 on

Like the interface and the functionality. I think the ability to toggle multiple radars at once would be very helpful. Regardless of whatever distortion / overlap it may trigger, I think this should be buried somewhere. Good price / rates. Definitely would recommend.

Zoom image on Apple Watch?

Richfdeerdcxdse on

I can’t find a way to zoom the image on the Apple Watch. Is this not possible?

Best radar app I’ve used

cmhall8 on

I’ve used this app for 7+ years. It’s the best out there, good enough for professionals to use. For the rest of us their Tier 1 plan for $9.99 per YEAR is a great value. It’s gotten me out of a lot of jams when traveling for work, when coaching at my daughter’s softball tournaments, or simply when at the house and trying to determine if the really bad stuff is heading my way. Anytime I take this app out (such as at the softball fields) I have people asking me the name of it so they can download. For the day to day forecast I just use Apple’s weather app. When there is an actual weather problem, RadarScope is my go-to and like I said it has gotten me out of (or helped me avoid) a lot of jams. I highly recommend.

Helpful if you pay

mip261 on

I think it’s an atrocity that trained storm spotters have to pay for this app without frequent interruptions from ads. We’re out here trying to save lives and assist the national weather service with advanced notice of storms that can’t be seen below 3000 ft on the radar. Then they throttle our data or restrict our ability to storm spot for a monthly subscription. I’m calling a class action attorney this is serious and affects the safety of millions.

Great radar, subpar pricing plan.

Lindyrosie on

This radar app is the best I’ve seen to view unsmoothed storm data. However, I didn’t realize more than half of the features would require a subscription plan after already paying $10 for the app.


ZuckMaBallz on

Literally everything besides the basic radar (which is free on other apps) is locked behind a subscription service. I'm not going to pay for the app just to pay for a subscription. Fire whoever made this brain dead decision. Refund requested.

Best radar

Storm chaser Westin Marshall on

Hi I am writing this review because I love the app my only complaints are that we can’t see future spc outlooks and we can’t see tropical storm or hurricane tracks I would hope you would see it and update your app to where we can see those

Update removed functionality

back to now on

Totall worthless since update. Most things now require a subscription. Im done paying for things every month/year for the rest of my life. Its not worth the cost. Too many other totally free apps out there.

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App Info

Base Velocity, LLC
French, German, English, Spanish
Recent version
5.3 (1 month ago )
Released on
Feb 12, 2019 (5 years ago )
Last updated
3 days ago