March Air Reserve Base

KRIV / RIV

Riverside, US

Current TAF Forecast

Raw TAF:
TAF KRIV 270405Z 2704/2810 31006KT 9999 FEW150 SCT250 QNH2992INS BECMG 2705/2706 VRB04KT 9999 FEW150 SCT250 QNH2994INS BECMG 2717/2718 31006KT 9999 FEW120 SCT300 QNH2993INS BECMG 2719/2720 32009KT 9999 FEW120 BKN300 510006 QNH2986INS TEMPO 2721/2801 32012G20KT BECMG 2802/2803 31006KT 9999 BKN300 QNH2990INS BECMG 2805/2806 VRB04KT 9999 SCT300 QNH2988INS TX38/2722Z TN20/2713Z

Detailed TAF Table

Parameter
Mon
09:00Z
+-1h
Mon
10:00Z
+0h
Mon
11:00Z
+1h
Mon
12:00Z
+2h
Mon
13:00Z
+3h
Mon
14:00Z
+4h
Mon
15:00Z
+5h
Mon
16:00Z
+6h
Mon
17:00Z
+7h
Mon
18:00Z
+8h
Mon
19:00Z
+9h
Mon
20:00Z
+10h
Mon
21:00Z
+11h
Mon
22:00Z
+12h
Mon
23:00Z
+13h
Tue
00:00Z
+14h
Tue
01:00Z
+15h
Tue
02:00Z
+16h
Tue
03:00Z
+17h
Tue
04:00Z
+18h
Tue
05:00Z
+19h
Tue
06:00Z
+20h
Tue
07:00Z
+21h
Tue
08:00Z
+22h
Wind Dir
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
310°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
320°
NW
310°
NW
310°
NW
310°
NW
VRB
VRB
VRB
VRB
Wind Speed
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
6 kt
9 kt
9 kt
12 kt
G20 kt
12 kt
G20 kt
12 kt
G20 kt
12 kt
G20 kt
9 kt
6 kt
6 kt
6 kt
4 kt
4 kt
4 kt
4 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
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
☀️ Clear
☀️ Clear
Clouds
FEW150
SCT250
FEW150
SCT250
FEW150
SCT250
FEW150
SCT250
FEW150
SCT250
FEW150
SCT250
FEW150
SCT250
FEW150
SCT250
FEW120
SCT300
FEW120
SCT300
FEW120
BKN300
FEW120
BKN300
☀️ CLR
☀️ CLR
☀️ CLR
☀️ CLR
FEW120
BKN300
BKN300
BKN300
BKN300
SCT300
SCT300
SCT300
SCT300
Ceiling
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
30,000 ft
AGL
30,000 ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
30,000 ft
AGL
30,000 ft
AGL
30,000 ft
AGL
30,000 ft
AGL
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
🌤️ Unlimited
Flight Rules VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR VFR
Day/Night
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
☀️
Day
🌇 18:55Z
☀️
Day
🌇 18:55Z
☀️
Day
🌇 18:55Z
🌇
Dusk
🌇 18:55Z
🌙
Night
🌇 18:55Z
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌙
Night
🌅 05:05Z
🌙
Night
🌅 05:05Z
🌅
Dawn
🌅 05:05Z
☀️
Day
🌅 05:05Z
☀️
Day
🌅 05:05Z
☀️
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
310° at 6 kt
Visibility
10+ km
Clouds
FEW150 SCT250
📖 Plain English Explanation:

This is the base forecast condition. Winds from the Northwest (310°) at 6 kt. Visibility will be excellent at 10+ km. Few clouds at 15000 feet, Scattered clouds at 25000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 05:00Z - 06:00Z
VFR
Wind
VRB° at 4 kt
Visibility
10+ km
Clouds
FEW150 SCT250
📖 Plain English Explanation:

Conditions will gradually change to become: Winds will be variable in direction at 4 kt. Visibility will be excellent at 10+ km. Few clouds at 15000 feet, Scattered clouds at 25000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 17:00Z - 18:00Z
VFR
Wind
310° at 6 kt
Visibility
10+ km
Clouds
FEW120 SCT300
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the Northwest (310°) at 6 kt. Visibility will be excellent at 10+ km. Few clouds at 12000 feet, Scattered clouds at 30000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 19:00Z - 20:00Z
VFR
Wind
320° at 9 kt
Visibility
10+ km
Clouds
FEW120 BKN300
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the Northwest (320°) at 9 kt. Visibility will be excellent at 10+ km. Few clouds at 12000 feet, Broken clouds at 30000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

TEMPO 21:00Z - 01:00Z
VFR
Wind
320° at 12 kt
Gusts: 20 kt
📖 Plain English Explanation:

Temporary conditions (lasting less than an hour at a time) may include: Winds from the Northwest (320°) at 12 kt. Gusts up to 20 kt are expected. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 02:00Z - 03:00Z
VFR
Wind
310° at 6 kt
Visibility
10+ km
Clouds
BKN300
📖 Plain English Explanation:

Conditions will gradually change to become: Winds from the Northwest (310°) at 6 kt. Visibility will be excellent at 10+ km. Broken clouds at 30000 feet. Conditions will be suitable for Visual Flight Rules (VFR) operations.

BECMG 05:00Z - 06:00Z
VFR
Wind
VRB° at 4 kt
Visibility
10+ km
Clouds
SCT300
📖 Plain English Explanation:

Conditions will gradually change to become: Winds will be variable in direction at 4 kt. Visibility will be excellent at 10+ km. Scattered clouds at 30000 feet. 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.