Iwate Hanamaki Airport

RJSI / HNA

Hanamaki, JP

Current TAF Forecast

Raw TAF:
TAF RJSI 040505Z 0406/0512 23004KT 9999 FEW020 BECMG 0412/0414 01006KT TEMPO 0418/0500 0500 FG VV001 BECMG 0500/0503 25004KT

Detailed TAF Table

Parameter
Tue
10:00Z
+-1h
Tue
11:00Z
+0h
Tue
12:00Z
+1h
Tue
13:00Z
+2h
Tue
14:00Z
+3h
Tue
15:00Z
+4h
Tue
16:00Z
+5h
Tue
17:00Z
+6h
Tue
18:00Z
+7h
Tue
19:00Z
+8h
Tue
20:00Z
+9h
Tue
21:00Z
+10h
Tue
22:00Z
+11h
Tue
23:00Z
+12h
Wed
00:00Z
+13h
Wed
01:00Z
+14h
Wed
02:00Z
+15h
Wed
03:00Z
+16h
Wed
04:00Z
+17h
Wed
05:00Z
+18h
Wed
06:00Z
+19h
Wed
07:00Z
+20h
Wed
08:00Z
+21h
Wed
09:00Z
+22h
Wed
10:00Z
+23h
Wind Dir
230°
SW
230°
SW
10°
N
10°
N
10°
N
10°
N
10°
N
10°
N
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
250°
W
Wind Speed
4kt
4kt
6kt
6kt
6kt
6kt
6kt
6kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
4kt
Visibility
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
10+ km
0.5 km
0.5 km
0.5 km
0.5 km
0.5 km
0.5 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
Fog
FG
Fog
FG
Fog
FG
Fog
FG
Fog
FG
Fog
FG
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
☀️ Clear
Clouds
FEW020
FEW020
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
VV001
VV001
VV001
VV001
VV001
VV001
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
Ceiling
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
100ft 🌫️
Indefinite
100ft 🌫️
Indefinite
100ft 🌫️
Indefinite
100ft 🌫️
Indefinite
100ft 🌫️
Indefinite
100ft 🌫️
Indefinite
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules VFR VFR VFR VFR VFR VFR VFR VFR LIFR LIFR LIFR LIFR LIFR LIFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
Day/Night
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 17:08
☀️
Day
🌇 17:08
☀️
Day
🌇 17:08
🌙
Night
🌇 17:08
🌙
Night
🌇 17:08
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 06:52
🌙
Night
🌅 06:52
🌙
Night
🌅 06:52
☀️
Day
🌅 06:52
☀️
Day
🌅 06:52
☀️
Day
☀️
Day
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
VFR
Wind
230° at 4 kt
Visibility
10+ km
Clouds
FEW020
📖 Plain English Explanation:

This is the base forecast condition. Winds from the Southwest (230°) at 4kt. Visibility will be excellent at 10+ km. Few clouds at 2000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 2025-11-04 12:00:00 - 2025-11-04 14:00:00
VFR
Wind
10° at 6 kt
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the North (10°) at 6kt. Conditions will be suitable for Visual Flight Rules (VFR) operations.

TEMPO 2025-11-04 18:00:00 - 2025-11-05 00:00:00
LIFR
Visibility
0.5 km
Weather
Fog
Clouds
VV001
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Visibility will be poor at 0.5 km. Weather conditions: Fog. Vertical visibility at 100 feet. Low IFR conditions - challenging even for instrument operations.

BECMG 2025-11-05 00:00:00 - 2025-11-05 03:00:00
VFR
Wind
250° at 4 kt
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the West-Southwest (250°) at 4kt. Conditions will be suitable for Visual Flight Rules (VFR) operations.

📚 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.