Chapter 06 of 17

Core modules10 min read

Weather

How to watch airports, read METARs and TAFs raw and decoded, open the hazards map and charts, and set weather alerts - step by step.

Verified against Pilot EFB 1.0.10 · Updated 25 Sep 2026

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Weather in Pilot EFB lives in the Brief tab. The tab has two modes behind one switch: Flight Brief builds a briefing package for a whole route, and Stations, this chapter, is the watch-list of airports you keep an eye on between flights, each with its live weather. The line at the foot of every weather screen, "Reference only - verify officially.", is the module's standing framing.

Find your way around

In Stations mode, each watched station is one card: the ICAO code and airport name, a flight-rules badge for the station's current category, an age pill counting from the observation time, and the raw METAR with its source and fetch time underneath. Tap a card to open the station workbench, which has a segment strip that scrolls sideways:

SegmentWhat it shows
AirportThe airport's reference details
SummaryMETAR, forecast, NOTAM count, winds and nearby hazards in one scroll
METARThe full observation, raw and decoded
TAFThe full forecast with its timeline
NOTAMsThe station's NOTAMs, raw text kept
Weather ChartsThe wider picture - hazards, SIGWX, imagery

The header holds the Flight Brief / Stations mode switch and the station count. Below it the watch-list runs in up to three sections, each once it has something in it: Groups, FIR NOTAMs and Stations. The round + button (bottom-right) is the one way to add a station, a FIR NOTAM watch or a group.

The Brief tab in Stations mode: 7 stations watched and 1 group, the Flight Brief and Stations mode switch set to Stations, a Groups section with an EU hubs folder of 3 stations, a FIR NOTAMs section with EGTT London FIR at 217 active, then Stations with a small + ADD button and cards for EGLL London Heathrow and EGKK London Gatwick - each with a green VMC badge, a 28m ago age pill, the raw METAR of 23014KT 9999 BKN033 22/14 Q1021 and a source line naming SADIS UK Met Office fetched 14:16:37Z - with the round blue + button over the EGKK card
The watch-list, with each card attributed to its source (1 the mode switch, 2 the flight-rules badge, 3 the age pill, 4 the + button).

How to watch an airport

  1. On the Brief tab, switch to Stations.
  2. Tap + (bottom-right).
  3. Choose Add a station. The same menu offers Add a FIR NOTAM to watch a region's enroute NOTAMs and Create a group to organise stations into folders.
  4. Type an ICAO code, name or city. "EGLL", "Heathrow" and "London" all find the same airport. A FIR code or name typed here finds the FIR too.
  5. Tap the result. The search stays open, so you can add several airports in one go.
The Add to Stations sheet over the dimmed watch-list: three rows - Add a station to watch an airport's live weather (METAR, TAF), Add a FIR NOTAM to watch a region's enroute NOTAMs, and Create a group to organise several stations into a folder
The + menu: watch an airport's weather, watch a region's enroute NOTAMs, or make a group.
The Add a station or FIR search panel on the Brief tab with KJFK typed: a Saved and recent row of starred EGLL and EHAM chips, a single result row reading KJFK John F. Kennedy International with a plus icon, and the keyboard open beneath
Search by code, name or city; a tap on the result starts watching the airport.

How to read the Summary

  1. Tap a station card.
  2. Read the Summary segment top to bottom: the raw METAR with a decoded strip for wind, ceiling, visibility, QNH and temperature/dewpoint, then the Forecast (TAF) card, then the NOTAMs count beside Winds aloft, then a Hazards card counting the SIGMETs and AIRMETs around the station.
  3. Tap any card to jump to its full segment. Winds aloft and Hazards open Weather Charts.
The EGLL station workbench on its Summary segment: a wind dial reading 230/14 kt with VMC and 28m ago pills, a decoded strip for ceiling BKN033, visibility 9999, QNH 1021 falling and temp/dew 22/14, the raw 1350Z METAR with its SADIS source fetched 14:16:37Z, a Forecast TAF card with IMC and Steady badges, a VFR timeline, Worst forecast from 02:00Z and Valid 12 12:00Z to 13 18:00Z, then NOTAMs reading 28 active, 16 upcoming, 2 critical beside a Winds aloft card with max wind FL390 53 kt
The Summary segment: observation, forecast outlook, NOTAM count and winds in one scroll.

How to read a METAR

  1. In the workbench, tap the METAR segment.
  2. Read the raw report first. It sits at the top in monospace, with its source and observation time on the card, and the badges above it show flight rules, trend and age.
  3. Read the decoded strip under it: wind, ceiling, visibility, QNH and temperature/dewpoint.
  4. Scroll into the decoded card: observation time, fetch time, flight rules, then cloud and ceiling lines, temperature, altimeter and QNH with a 3-hour trend, and notes on the report type.
  5. Scroll further for the trend groups (BECMG, TEMPO, NOSIG) in their raw form, the Personal minimums card, and runway wind components for the station's runways.
The METAR segment for EGLL: VMC and Steady badges with a 28m ago age pill, the raw METAR labelled SADIS UK Met Office with OBS 13:50Z, a decoded strip for wind 230/14, ceiling BKN033, visibility 9999, QNH 1021 and temp/dew 22/14, and the start of the Decoded card listing the observation at 13:50Z on 12 Sep (14:50L), fetched 14:16:37Z, Visual Flight Rules, and conditions of wind 230 / 14 kt, visibility 10 km or more and no weather reported
Raw first, decoded underneath, with the observation time, fetch time and flight rules named.
Further down the METAR decode for EGLL: cloud BKN 3,300 ft, ceiling 3,300 ft, an estimated cumuliform cloud base of about 3,200 ft from an 8 degree spread, temperature and dewpoint 22 and 14 Celsius, altimeter 30.15 inHg, QNH 1021 hPa with a falling 3-hour trend, a note that AUTO means a fully automated report with no human observation, a Personal minimums card with an Edit link reading No personal minimums set and Personal ADM guidance only - not a certified go/no-go tool, and the top of the Wind section reading Components for runway
The decode says what the code said, including what it did not say; the personal-minimums card carries its own disclaimer.

How to read a TAF

  1. In the workbench, tap the TAF segment.
  2. Read the raw forecast at the top, with its source label.
  3. Read the validity card under it: the valid-from and valid-to times, the length of the window, the freshness pill, and the issue and fetch times.
  4. Scroll into the period-by-period timeline, one bar per change group. The line above the bars names the forecast category Now (and At ETA when a planned flight gives an arrival time). Prevailing periods - the base forecast, BECMG and FM - draw as solid bars in their flight-rules colour; TEMPO and PROB groups draw as a faint tint with a solid outline, so a temporary caveat never reads as the stated forecast.
The TAF segment for EGLL: a VMC badge, the raw TAF verbatim labelled RAW TAF SADIS UK Met Office issued 121056Z with PROB30 and PROB40 TEMPO groups for gusts, drizzle, heavy rain and showers, then a Timeline section whose Validity card reads Valid 12 12:00Z to 13 18:00Z, 30h, with a green Valid for 27h 42m pill, Issued 12 10:56Z and Fetched 14:18:46Z
The raw TAF and its validity window: the freshness pill grades the window, not the issue age.

How to open the hazards map and charts

  1. In the workbench, scroll the segment strip and tap Weather Charts.
  2. Read the hazards header and map at the top: the active SIGMET and AIRMET count, the nearest hazard's distance, and the polygons around the station. Tap a hazard's pill on the map for its card: what the tier word means (WARNING, WATCH or ADVISORY), the product and issuer, the altitude band the bulletin states, its movement and speed, and when it ends in Zulu. Tap Map key & hazard list or How to read this for help.
  3. Scroll to the family cards below the map and tap one to open it:
FamilyWhat it holdsTier
HazardsThe SIGMET / AIRMET map at the top of the segmentFree
SIGWX (Significant Weather)WAFS high-level SIGWX forecastPro
Upper AirWinds and temperatures aloft, meteogramPro
The SkySatellite, surface pressure and radar imageryFree
AdvisoriesVolcanic ash, tropical cyclone and space weatherFree
  1. In The Sky, pick a region from the region picker, then scroll through the Satellite, Surface Pressure and radar cards.
The Weather Charts segment for EGLL: a red hazards header reading 216 active hazards - TS, TC, VA, nearest about 630 NM, next expiry 1m, with a 1h ago pill, over an OpenStreetMap view of the UK, the Channel and the Low Countries with EGAA, EGLL and EBBR station markers, a 200 NM scale bar, a Not for navigation credit line for OpenStreetMap contributors and openAIP airspace, Map key and hazard list and How to read this links, and a Source line naming NOAA AWC and SADIS fetched 13:18:57Z, cached and updating
The hazards map: the live SIGMET and AIRMET count and nearest hazard around the station, marked not for navigation, with its sources credited.
The chart family cards below the hazards map: Significant Weather reading 14 CB, 10 turb, 15 jets for AREA C at T+9, Upper Air reading FL530 284 degrees at 20 kt, minus 57 Celsius, freezing level about 12,857 ft with an FL390 272 degrees at 53 kt row above it, The Sky showing its United Kingdom infrared frame updated 13:20:45Z, and Advisories listing 1 TCA from KNHC and 11 VAA messages from ADRM and 3 others, 12 current, checked 13:20Z, each card with an OPEN link
The family cards each lead with their live headline; SIGWX and Upper Air are part of Pro.
The Sky family detail: a Region picker set to United Kingdom, a Satellite card labelled United Kingdom infrared satellite with a JUST NOW pill, a How to read this link, Source EUMETSAT fetched 14:19:01Z, a note to verify timing with an official source, the infrared frame itself with Tap to open, pinch to zoom beneath, and the top of a Surface Pressure card for the United Kingdom surface-pressure analysis, still loading
The Sky: live satellite, surface pressure and radar, each frame credited and timestamped.

How to read winds aloft

  1. In the workbench, scroll to the foot of the METAR segment and tap Winds aloft. The Summary segment's Winds aloft card shows the headline - the strongest wind and the freezing level - and opens Weather Charts, where the Pro Upper Air family adds a compass-rose read of any level you pick, the wind component along your route leg and the meteogram.
  2. Read the table level by level, from the tropopause down to the surface: direction, speed and temperature, with a bar per level.
  3. Note the estimated freezing level under the table.
The Winds aloft EGLL screen, subtitled Forecast winds and temperatures: a Winds and temperatures aloft table with Level, Dir, a 0 to 60 speed bar, KT and Temp columns from FL530 down to FL100 - FL530 284 degrees at 20 kt and minus 57, the strongest band FL410 to FL360 at 50 to 53 kt highlighted in amber with FL390 272 degrees at 53 kt and minus 58, down to FL100 281 degrees at 27 kt and plus 5
Winds and temperatures aloft, level by level, with the strongest levels highlighted.

How to look back 30 days Pro

  1. Sign in to your account.
  2. On the METAR or TAF segment, tap the 30-day history link.
  3. Scroll the archived reports, stored on your device, to see how the day developed.

How to set weather alerts

  1. Open Settings > Notifications > Weather alerts.
  2. Turn on Weather alert notifications. When on and signed in, your device push token and watched airports are stored so alerts arrive with the app closed.
  3. Turn on the alert types you want. Each switch explains what it watches: Below VFR, TAF amendments & corrections, Improved to VFR, and Personal minimum breaches.
  4. For personal minimum breaches, tap Personal minimums to set your thresholds. They are evaluated on your device only and never leave it.
  5. Check the Watched airports list at the foot. It drives the alerts.
The Weather alerts settings screen, signed out: a master Weather alert notifications switch, off, with a caption explaining that when on and signed in the device push token and watched airports are stored on the server so alerts can arrive while the app is closed, a Get alerts while the app is closed card with a Sign in or create account button, and the Alert types list starting with a Below VFR switch and the top of TAF amendments and corrections
The master switch, the sign-in prompt for app-closed delivery, and the first alert type.
Further down Weather alerts: the TAF amendments and corrections, Improved to VFR and Personal minimum breaches switches with their captions, the last noting the alert server never receives or evaluates your minimums so these alerts cannot arrive with the app closed, a Personal minimums row for setting ceiling, visibility, wind and gust thresholds, a caveat that detection is not continuous monitoring, and the Watched airports heading at the foot
Each alert type says what it watches, and the screen states its limits above the watched-airports list.

Pro The free tier monitors your single highest-priority location; with no setup, that is your home base. Alerting on every location you watch, and per-location alert tiers, are Pro. Muting is never gated: silencing a location is always free and frees its slot.

On iPad

On iPad, Stations has its own place in the side rail, so the watch-list is one tap from anywhere, while the Brief tab keeps the flight-briefing side. The cards spread across the full width, with each raw METAR on one line.

The Stations screen on iPad: a side rail with the Stations icon active, a 4 stations watched header, and full-width station cards for EGLL, EGKK, EHAM and LFPG - each with a VMC badge, an age pill, the one-line raw METAR and its source, with the Reference only - verify officially line at the foot
Stations on iPad: its own rail destination and full-width cards.

Free vs Pro in Weather

FreePro
Watch up to 50 stations and 8 FIRs, with live METARs on every cardSame watch-list
METAR and TAF, raw and decoded, with personal minimumsSame
Hazards map, The Sky imagery and AdvisoriesThe SIGWX and Upper Air chart families
Winds aloft, level by level, from the METAR segmentSame
5-day archive preview after the 14-day preview (signed in)Full 30-day METAR and TAF history
Alerts for your single highest-priority locationAlerts for every watched location, per-location alert tiers
Muting any locationSame

Troubleshooting

A station card says "No data available". The report is missing, late or superseded at the source. The app does not guess; verify with official sources and pull to refresh later.

The age pill says "Over 3h old - refresh before use". The observation is more than three hours old. Pull to refresh; if no newer report arrives, the station has not issued one.

The TAF is hours old but its pill is still green. That is by design. The TAF pill grades the validity window, not the issue age, because a TAF stays in force for 24 to 30 hours. "Expired - refresh for current TAF" appears only once the window has ended.

The + menu will not add another station. The ungrouped watch-list is full at 50 stations and 8 FIRs, and the menu row says so. Swipe a card left to stop watching one, or move stations into a group.

I am not getting alerts for every airport I watch. Free alerts cover your single highest-priority location, your home base by default. Alerting on every watched location is Pro. Check too that Weather alert notifications is on and you are signed in.

Where next

  • Home - the home-base METAR and TAF glance cards that surface this module on the dashboard.
  • Duty & FTL - the other half of the pre-flight picture: where you stand against your duty limits.
  • Free vs Pro - the exact line between the free weather surfaces and the Pro ones.

Pilot EFB

Try it with the app in hand

The fastest way through this chapter is with Pilot EFB open on your own phone or iPad. Informational reference only, not a certified EFB.

Pilot EFB

One companion for every leg,on every screen.

Free on iPhone, iPad and Apple Watch. Pilot EFB Desk brings it to the browser. Offline-first, so the tools work without a signal.

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