Weather Underground Debuts Its Newest App: Storm

By: Bob Henson , 8:50 PM GMT on February 18, 2015

Fans of the widely-used Weather Underground app have cause to celebrate with today's release of the full-featured Storm app. The initial iOS release is downloadable free for iPhone and iPad through the App Store. Produced in a collaboration between WU and Intellicast, Storm builds on the usefulness and clean design of the main WU app, and the data and forecasting strengths of the two partners, to provide an array of new features designed with storm trackers and weather enthusiasts in mind.

High-definition radar: Storm provides access to data from the national network of NEXRAD radar sites at the top resolution available, with a razor-sharp 250 meters (800 feet) between data points. Users can view animations of past activity and extrapolations of current activity out to an hour ahead. When you select the radar nearest your location, a single-site sweeping feature displays reflectivity and velocity in near-real time.

Storm tracks: For each key area of current storm action identified by the app, Storm provides a strength rating, storm motion, precipitation rate, expected arrival times for the largest communities in the storm's path, any potential hazards (such as wind, hail, lightning, and tornadoes), and more.



Figure 1. The Storm app’s severe weather alert feature (shown here on the iPad) highlights real-time precipitation and lightning, along with any NWS watches, warnings, or advisories issued for the selected area.


Full-screen interactive map: The fully customizable Storm map interface allows you to display animated surface and jet-stream-level winds and fronts, as well as tropical data, severe weather alerts, and even earthquakes. I especially like the semi-transparent display of NWS watches, warnings, and advisories, which makes it easy to see where more than one type of alert is in effect. Also displayable: data from the WU network of more than 100,000 personal weather stations around the globe.

Customizable alerts and notifications: Users can be alerted of lightning, precipitation (within a 30-mile radius), and NWS warning polygons. The lightning alerts include a display of where cloud-to-ground lightning has struck in the last 15 minutes.

“Weather Underground and Intellicast have a long history of providing highly specialized weather information,” said Weather Underground manager Jim Menard “Recognizing the strengths of both companies, we decided to join forces to create the ultimate storm-tracking app.”



Figure 2. A single-site radar sweep on the Storm app’s iPhone interface.


The views of the author are his/her own and do not necessarily represent the position of The Weather Company or its parent, IBM.

Reader Comments

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445. OttoNader
5:48 PM GMT on June 08, 2016
What does the rings indicate in the storm tracker?
Thanks
otto
Member Since: December 31, 1969 Posts: Comments:
444. Stormystormy1
8:07 PM GMT on May 29, 2016
Is there a way to disengage the sweep? Although it looks nice, it's not realtime and causes a waiting period which is frustrating if you want to switch between tilts in the north-west sector of the scope. If it can't be turned off, how about it starts with the data already in place as a trade off.
Member Since: December 31, 1969 Posts: Comments:
443. davidsan1
9:03 PM GMT on November 11, 2015
Is storm going to be avail on Android??
Member Since: December 31, 1969 Posts: Comments:
442. Batablast
6:47 PM GMT on August 12, 2015
When will this be on Android?
Member Since: December 31, 1969 Posts: Comments:
441. mscleavite
1:57 AM GMT on February 27, 2015
For those of us that are not on the apple cart......... What is the ETA for android version?
Member Since: December 31, 1969 Posts: Comments:
440. hurricanes2018
2:26 PM GMT on February 20, 2015
cold weather here in east haven,conn only 5F AT 9am this morning
Member Since: December 31, 1969 Posts: Comments:
439. hurricanes2018
2:26 PM GMT on February 20, 2015
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438. LargoFl
10:04 PM GMT on February 19, 2015
its soo cold even Niagara Falls froze over
Member Since: December 31, 1969 Posts: Comments:
437. NativeSun
9:36 PM GMT on February 19, 2015
Quoting 315. KEEPEROFTHEGATE:

lake Ontario will not freeze over that I can assure you
Why not, we still have 1 month of cold weather left.
Member Since: December 31, 1969 Posts: Comments:
436. ricderr
6:38 PM GMT on February 19, 2015
i found it!!!!!....local weatherman told me this was released last year but i've been looking for a couple of weeks to find it.....here's an exceprt concerning the ENSO models........and pattrap......although not listed....your method of co2 and trump hairstyle....did prove to be more accurate than the 7 month lead.......




As one would expect, forecasts made from farther in the past (longer lead times) are less skillful than more recent (short-lead) forecasts, and the 7- month lead forecasts were of little use over this particular period. The dynamical models showed somewhat higher (i.e., better) correlations than the statistical models. The mean absolute error is generally larger for the dynamical models, partly because they averaged too warm during the period, especially when they predicted the warmest SST levels (7). The better correlations of dynamical models were also found in the 11-year period of 2002-2012 (Barnston et al. 2012). Based on the objective performance measures, it is clear that while our ENSO forecasts can be helpful for the coming few months, we have a long way to go in improving their performance and utility beyond that. It is especially hard to predict the timing of ENSO transitions and the correct strength.

Member Since: December 31, 1969 Posts: Comments:
435. Grothar
6:09 PM GMT on February 19, 2015
Member Since: December 31, 1969 Posts: Comments:
434. KEEPEROFTHEGATE (Mod)
6:09 PM GMT on February 19, 2015
Quoting 428. redux:

is this outbreak caused by a dislocation of the polar vortex? my thinking is it has more to do with the ridging over Alaska...but im not an expert.

Member Since: December 31, 1969 Posts: Comments:
433. WaterWitch11
6:00 PM GMT on February 19, 2015
Quoting 384. Grothar:

Personally, I think this whole "El Nino" thing is a conspiracy to take money from our pockets and raise world wide insurance rates. It's a scare tactic. The ocean has been there for millions of years.


Link

Link

take your pick :)
Member Since: December 31, 1969 Posts: Comments:
432. PedleyCA
5:54 PM GMT on February 19, 2015

One more day then heading back towards normal(44/67).
Member Since: December 31, 1969 Posts: Comments:
431. WunderAlertBot (Admin)
5:53 PM GMT on February 19, 2015
JeffMasters has created a new entry.
430. mcotnoir
5:52 PM GMT on February 19, 2015
When will the Android version be out for the zillions of us out here who are on that platform??
Member Since: December 31, 1969 Posts: Comments:
429. KEEPEROFTHEGATE (Mod)
5:50 PM GMT on February 19, 2015
current chills my location -20f brrr
Member Since: December 31, 1969 Posts: Comments:
428. redux
5:49 PM GMT on February 19, 2015
is this outbreak caused by a dislocation of the polar vortex? my thinking is it has more to do with the ridging over Alaska...but im not an expert.
Member Since: December 31, 1969 Posts: Comments:
427. georgevandenberghe
5:48 PM GMT on February 19, 2015
In the department of good luck, I made a mistake and didn't bring the frozen fish in from the
car last night.

Well hey.. today.. NOT A PROBLEM :-)


Member Since: December 31, 1969 Posts: Comments:
426. Sfloridacat5
5:47 PM GMT on February 19, 2015
Quoting tampabaymatt:


Thank you sir. I was just outside and the winds are really whipping at 12:30 here in Tampa. At this point, it seems hard to believe they'll completely die down and allow for a hard freeze. We shall see.


If the front came though tonight, the winds would continue to blow.
But as mentioned, high pressure should settle into the area tonight.
In addition, you'll lose the effect of the sun during the night which will cause the winds to slack off, as mentioned by Keeper.

Everything should fall into place late tonight into tomorrow morning.
The citrus growers are hoping we keep a little breeze, but that's probably not going to happen.
Member Since: December 31, 1969 Posts: Comments:
425. KEEPEROFTHEGATE (Mod)
5:46 PM GMT on February 19, 2015
Quoting 423. georgevandenberghe:



The odds of snow on the ground in DC by the third week in March are low. Not zero but low.

well don't forget march super storms do happen sometimes
Member Since: December 31, 1969 Posts: Comments:
424. hydrus
5:45 PM GMT on February 19, 2015
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NASHVILLE TN
921 AM CST THU FEB 19 2015

.UPDATE...FRIGID TEMPERATURES WERE REPORTED THIS MORNING ACROSS
MID TN. SUNSHINE WAS HELPING...WITH MID MORNING READINGS "WARMING"
INTO THE 5 TO 10 RANGE FOR MOST LOCATIONS. WIND CHILLS WERE IN THE
SINGLE DIGITS BELOW ZERO...AND A WIND CHILL ADVISORY WILL CONTINUE
UNTIL NOON. THE FORECAST HAS BEEN ADJUSTED FOR HOURLY TRENDS...AND
GIVEN FULL SUNSHINE...BUMPED UP HIGHS A DEGREE OR 2.

WE CONTINUE TO BE CONCERNED ABOUT MORE WINTRY WX FOR MID TN FROM
MIDDAY FRIDAY THROUGH FRIDAY NIGHT. 06Z DATA AND FIRST GLANCE AT
12Z DATA SHOW AN INCH OR 2 OF SNOW FOLLOWED BY SIGNIFICANT...
LIKELY DAMAGING...ICE IN THE FORM OF HEAVY FREEZING RAIN. THE GOOD
NEWS ABOUT THIS SYSTEM IS THAT TEMPS WILL WARM UP CONSIDERABLY ON
SATURDAY. BUT ANOTHER DOWNER...WE MAY HAVE SOME LOCALIZED FLOOD
PROBLEMS TO DEAL WITH THEN. BUCKLE UP...ITS GOING TO BE A BUMPY
RIDE.

Member Since: December 31, 1969 Posts: Comments:
423. georgevandenberghe
5:43 PM GMT on February 19, 2015
Quoting 421. weathermanwannabe:

My kid is slated to go to DC with her Civics Class for Spring Break (from Florida) the third week in March; I am hoping the weather will cooperate for these kids and the teachers/chaparones..........Gonna be tough trying to keep these kids under control (who have never seen snow like this) when the first one throws a snowball.........Really, I am more concerned about the weather as they are slated to go on buses.


The odds of snow on the ground in DC by the third week in March are low. Not zero but low.
Member Since: December 31, 1969 Posts: Comments:
422. KEEPEROFTHEGATE (Mod)
5:43 PM GMT on February 19, 2015
Member Since: December 31, 1969 Posts: Comments:
421. weathermanwannabe
5:40 PM GMT on February 19, 2015
My kid is slated to go to DC with her Civics Class for Spring Break (from Florida) the third week in March; I am hoping the weather will cooperate for these kids and the teachers/chaparones..........Gonna be tough trying to keep these kids under control (who have never seen snow like this) when the first one throws a snowball.........Really, I am more concerned about the weather as they are slated to go on buses.
Member Since: December 31, 1969 Posts: Comments:
420. CybrTeddy
5:38 PM GMT on February 19, 2015
Quoting tampabaymatt:
Out HVAC systems in FL are not made for this type of cold, if it ends of verifying. If we get down to the high 20's, my heat will be running all night even set at 68. I hate hearing the aux heat kick in which makes the unit sound like it's about to break.


And I'm thinking of camping tonight!
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419. Sfloridacat5
5:37 PM GMT on February 19, 2015
12Z Friday - Center of the Arctic High will be parked right over the Eastern U.S.

Member Since: December 31, 1969 Posts: Comments:
418. Patrap
5:36 PM GMT on February 19, 2015
Indeed teddy,

65 was Betsy my 1st Major, then in 85, Elena my 2nd Major, then 05 K my 3rd Major. Bad 20 year trend dere.

22 Major Eyewall Hours from them 3 alone. I have close to 36 total now in others since.
Member Since: December 31, 1969 Posts: Comments:
417. tampabaymatt
5:36 PM GMT on February 19, 2015
Member Since: December 31, 1969 Posts: Comments:
416. washingtonian115
5:35 PM GMT on February 19, 2015
If history is doing what I think its doing regardless if 2015 ends up inactive it still needs to be watched.The 1915 hurricane season is a example of this.A inactive season but produced three hurricane landfalls two of which were deadly.The 1915 New Orleans hurricane and the 1915 Galveston hurricane.A 100mph hurricane that made landfall in northern Florida was also observed.
Member Since: December 31, 1969 Posts: Comments:
415. Patrap
5:34 PM GMT on February 19, 2015
Quoting 413. Grothar

I swear, there is a guy on here that looks familiar.


Climate Change and Tropical Met communicator of the decade, easily.

Member Since: December 31, 1969 Posts: Comments:
414. tampabaymatt
5:34 PM GMT on February 19, 2015
Out HVAC systems in FL are not made for this type of cold, if it ends of verifying. If we get down to the high 20's, my heat will be running all night even set at 68. I hate hearing the aux heat kick in which makes the unit sound like it's about to break.
Member Since: December 31, 1969 Posts: Comments:
413. Grothar
5:32 PM GMT on February 19, 2015
I swear, there is a guy on here that looks familiar.





Get your own valid XHTML YouTube embed code
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412. CybrTeddy
5:31 PM GMT on February 19, 2015
Quoting Patrap:
I recall how slow the actual 1970-80 period was in the Atlantic, after a tough 60's, Betsy, Camille,Hilda,and others along the N GOM coastal areas.

The MDO is a real thing, and every year still brings the chance for multiple Majors if conditions allow.

Its that multiple impact from majors in multiple cities over the Aug-October Peak CV season that I think of as worse case.

We saw how exodus can occur from the actual, and the feared as well.


2015 may be a dud or may be a Record setter.

Only time will say.






Years that end in five end in pain, or something like that. 2005, 1995, 1985, 1965, 1955..
Member Since: December 31, 1969 Posts: Comments:
411. Patrap
5:31 PM GMT on February 19, 2015
Quoting 406. CybrTeddy:



Heh. Transplant this situation into the Atlantic and the blog would be in full blown anarchy.


Member Since: December 31, 1969 Posts: Comments:
410. georgevandenberghe
5:29 PM GMT on February 19, 2015
Quoting 397. KEEPEROFTHEGATE:

just some cold air deep arctic cold air


When it gets that far south it's often very shallow but still intensely cold. The January 1985 cold of the century in Tallahassee (6F -14C) was not notable at 850mb (-8C.. TLH often sees colder than that at 850mb).
Member Since: December 31, 1969 Posts: Comments:
409. tampabaymatt
5:29 PM GMT on February 19, 2015
Quoting 403. GTstormChaserCaleb:

High Pressure expected to build in and sit right on top of us, causing the winds to calm down.


Thank you sir. I was just outside and the winds are really whipping at 12:30 here in Tampa. At this point, it seems hard to believe they'll completely die down and allow for a hard freeze. We shall see.
Member Since: December 31, 1969 Posts: Comments:
408. KEEPEROFTHEGATE (Mod)
5:29 PM GMT on February 19, 2015
Quoting 400. tampabaymatt:



I'm not sure what's going to magically cause the winds to die down tonight to lead to all of these hard freezes they're projecting for C FL. We'll see, but I'm skeptical of tonight's freeze predictions given the winds are so high.
well sun warms the air which in turn moves the air once the sun is gone its effect goes with it the winds will slack off not to calm but they will be getting there as the hrs after sunset advances on
Member Since: December 31, 1969 Posts: Comments:
407. Patrap
5:29 PM GMT on February 19, 2015
I recall how slow the actual 1970-80 period was in the Atlantic, after a tough 60's, Betsy, Camille,Hilda,and others along the N GOM coastal areas.

The MDO is a real thing, and every year still brings the chance for multiple Majors if conditions allow.

Its that multiple impact from majors in multiple cities over the Aug-October Peak CV season that I think of as worse case.

We saw how exodus can occur from the actual, and the feared as well.


2015 may be a dud or may be a Record setter.

Only time will say.



Member Since: December 31, 1969 Posts: Comments:
406. CybrTeddy
5:28 PM GMT on February 19, 2015
Quoting TropicalAnalystwx13:
This is insane.



Heh. Transplant this situation into the Atlantic and the blog would be in full blown anarchy.
Member Since: December 31, 1969 Posts: Comments:
405. Sfloridacat5
5:27 PM GMT on February 19, 2015
Quoting KEEPEROFTHEGATE:
just some cold air deep arctic cold air


It would be a nice day to fly a kite at the park for you guys.
Member Since: December 31, 1969 Posts: Comments:
404. georgevandenberghe
5:27 PM GMT on February 19, 2015
Quoting 352. washingtonian115:

I said the models were underestimating the cold air.Seems like they are starting to get a good sample.The air almost took my breath away this morning (I mean this literally) .I haven't seen it this cold in late February since 94/96.


I guess perception is a large term and source of variance. I thought this thursday morning was MUCH gentler than last Sunday morning and the dogs didn't mind it either whereas they cringed from the wind on Sunday.
Friday looks worse than today.
Member Since: December 31, 1969 Posts: Comments:
403. GTstormChaserCaleb
5:27 PM GMT on February 19, 2015
Quoting 400. tampabaymatt:



I'm not sure what's going to magically cause the winds to die down tonight to lead to all of these hard freezes they're projecting for C FL. We'll see, but I'm skeptical of tonight's freeze predictions given the winds are so high.
High Pressure expected to build in and sit right on top of us, causing the winds to calm down.
Member Since: December 31, 1969 Posts: Comments:
402. TropicalAnalystwx13
5:27 PM GMT on February 19, 2015
It's currently 25F with a wind chill of 12F here just north of Wilmington, NC. The February sun has melted most of snow where sunlight can reach it. Looks like we'll warm up another 2-3F over the coming hours before falling to around 9 tonight. Wind chills are forecast to be -5F to 5F when I get up for class.
Member Since: December 31, 1969 Posts: Comments:
401. SouthTampa
5:25 PM GMT on February 19, 2015
Quoting 360. Patrap:

Quoting 340. help4u:

PREDECTION;Wunderground will say this is the first warmest Feburary on record!


PREDECTION ?

Feburary?

First rule of innuendo blogging.

Spell-Checka' Breaux...
First rule of denial blogging: Assume the rest of the world is cold because your backyard is cold.
Member Since: December 31, 1969 Posts: Comments:
400. tampabaymatt
5:24 PM GMT on February 19, 2015
Quoting 393. KEEPEROFTHEGATE:

u will have 35 to 45 kmh winds most of the afternoon


I'm not sure what's going to magically cause the winds to die down tonight to lead to all of these hard freezes they're projecting for C FL. We'll see, but I'm skeptical of tonight's freeze predictions given the winds are so high.
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399. Grothar
5:23 PM GMT on February 19, 2015
From 2009





Get your own valid XHTML YouTube embed code
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398. KEEPEROFTHEGATE (Mod)
5:23 PM GMT on February 19, 2015
after the sun sets the winds will slack off a bit
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397. KEEPEROFTHEGATE (Mod)
5:22 PM GMT on February 19, 2015
Quoting 392. Sfloridacat5:




People are acting the Polar Storm from the Movie 2012 is about to hit here.

I've got 54 degrees, NNW wind 22 mph gusting to 28 mph. This is about as cold as it gets here during the midday hours.


just some cold air deep arctic cold air
Member Since: December 31, 1969 Posts: Comments:
396. Patrap
5:22 PM GMT on February 19, 2015
Quoting 389. KEEPEROFTHEGATE:

nice group of three
some bad weather for some folks


Bad news for the PM too.

He is in wicked denial of Warming SST's.

Best of luck to the affected from Marcia .

She packing a wallop coming in.

2 km Storm Relative IR Imagery with BD Enhancement Curve 1632 UTC



Member Since: December 31, 1969 Posts: Comments:
395. ricderr
5:21 PM GMT on February 19, 2015
From the Jamstec. Updated February 1st. Trended with all the other models. Also notice the North Atlantic warm pool destroyed and this implies a very cold and stormy east next Winter.


thanx scott.......it shows warm/neutral........so now you have two models that do not show an el nino
Member Since: December 31, 1969 Posts: Comments:

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Cat 6 lead authors: WU cofounder Dr. Jeff Masters (right), who flew w/NOAA Hurricane Hunters 1986-1990, & WU meteorologist Bob Henson, @bhensonweather