Rovaniemi Airport

EFRO / RVN

Rovaniemi, FI

Current TAF Forecast

Raw TAF:
TAF AMD EFRO 041832Z 0418/0518 34005KT 9999 BKN005 TEMPO 0418/0507 4000 -SN BR OVC003 BECMG 0507/0509 BKN020

Detailed TAF Table

Parameter
Wed
19:00Z
+-1h
Wed
20:00Z
+0h
Wed
21:00Z
+1h
Wed
22:00Z
+2h
Wed
23:00Z
+3h
Thu
00:00Z
+4h
Thu
01:00Z
+5h
Thu
02:00Z
+6h
Thu
03:00Z
+7h
Thu
04:00Z
+8h
Thu
05:00Z
+9h
Thu
06:00Z
+10h
Thu
07:00Z
+11h
Thu
08:00Z
+12h
Thu
09:00Z
+13h
Thu
10:00Z
+14h
Thu
11:00Z
+15h
Thu
12:00Z
+16h
Thu
13:00Z
+17h
Thu
14:00Z
+18h
Thu
15:00Z
+19h
Thu
16:00Z
+20h
Wind Dir
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
340°
N
Wind Speed
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
5 kt
Visibility
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
Weather
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
BKN005
BKN005
BKN005
BKN005
BKN005
BKN005
BKN005
BKN005
BKN005
BKN005
BKN005
BKN005
BKN020
BKN020
BKN020
BKN020
BKN020
BKN020
BKN020
BKN020
BKN020
BKN020
Ceiling
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
500 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
2,000 ft
AGL
Flight Rules IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR IFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR MVFR
Day/Night
🌙
Night
🌇 17:24Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 06:33Z
🌙
Night
🌅 06:33Z
🌙
Night
🌅 06:33Z
☀️
Day
🌅 06:33Z
☀️
Day
🌅 06:33Z
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 17:26Z
☀️
Day
🌇 17:26Z
Flight Rules
VFR: Visual Flight Rules
MVFR: Marginal VFR
IFR: Instrument Flight Rules
LIFR: Low IFR
Ceiling Colors
Red: < 500ft
Amber: 500-1000ft
Blue: 1000-3000ft
Green: > 3000ft
⛈️ TCU: Towering Cumulus
🌩️ CB: Cumulonimbus
+Nh: Hours from now%: Probability of occurrenceAGL: Above Ground Level

Forecast Periods

BASE
IFR
Wind
340° at 5 kt
Visibility
10+ km
Clouds
BKN005
📖 Plain English Explanation:

This is the base forecast condition. Winds from the North-Northwest (340°) at 5 kt. Visibility will be excellent at 10+ km. Broken clouds at 500 feet. Instrument Flight Rules (IFR) conditions - instrument flying required.

TEMPO 18:00Z - 07:00Z
LIFR
Visibility
4 km
Weather
Light Snow, Mist
Clouds
OVC003
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be moderate at 4 km. Weather conditions: Light Snow, Mist. Overcast skies at 300 feet. Low IFR conditions - challenging even for instrument operations.

BECMG 07:00Z - 09:00Z
MVFR
Clouds
BKN020
📖 Plain English Explanation:

Conditions will gradually change to become: Broken clouds at 2000 feet. Marginal VFR conditions - some restrictions for visual flying.

📚 Understanding TAF Forecasts

Terminal Aerodrome Forecast (TAF) provides detailed weather forecasts specifically for aviation operations. Our system translates complex meteorological codes into plain English to help pilots of all experience levels understand forecasted conditions.

What TAF Includes:

  • • Wind direction, speed, and gusts
  • • Visibility in statute miles or kilometers
  • • Weather phenomena (rain, snow, fog, thunderstorms)
  • • Cloud coverage types and altitudes
  • • Forecast changes with timing
  • • Flight rules categories (VFR/IFR)

Change Indicators Explained:

  • BASE - Main forecast conditions
  • FM - Permanent change from specific time
  • BECMG - Gradual change over 2-4 hours
  • TEMPO - Temporary changes (less than 1 hour)
  • PROB30/40 - 30% or 40% probability

🛩️ Flight Rules Categories

VFR

Visual Flight Rules

  • • Ceiling ≥ 3000 ft
  • • Visibility ≥ 5 miles
  • • Good for visual flying

MVFR

Marginal VFR

  • • Ceiling 1000-3000 ft
  • • Visibility 3-5 miles
  • • Caution for VFR

IFR

Instrument Flight Rules

  • • Ceiling 500-1000 ft
  • • Visibility 1-3 miles
  • • Instruments required

LIFR

Low IFR

  • • Ceiling < 500 ft
  • • Visibility < 1 mile
  • • Challenging conditions

💡 TAF Reading Tips

For Student Pilots:

  • • Focus on the plain English explanations above
  • • Pay attention to flight rules categories
  • • Look for wind direction relative to runway headings
  • • Check for temporary conditions (TEMPO)

For Experienced Pilots:

  • • Cross-reference with raw TAF for precise timing
  • • Consider probability forecasts for alternate planning
  • • Monitor BECMG periods for gradual changes
  • • Always check current METAR vs TAF forecast

Important: TAF forecasts should always be supplemented with current METAR observations, PIREPs, and other weather information for complete situational awareness. Weather can change rapidly, and forecasts have inherent limitations.