Frequency of Issue

Note that all times are UTC, and issue frequency is daily unless otherwise indicated

Contents of this page:

TAF - DOMESTIC
TAF - INTERNATIONAL
VOLMET TAF
METAR - AA, WN, CH
METAR - Other attended aerodromes
METAR - All other
ARFOR
GRIB
SIGWX Charts
WIND/TEMP Charts
ROFOR

TAF - DOMESTIC

All New Zealand aerodromes except AA, WN, CH, WP

Aerodromes Issue Times Validity Period Validity
Period (Hrs)
KK, KT, WR, TG, WK, RO, AP, HN, NP, WU, PM, OH, PP, GS, NR,  WB, NS, WS, HK, MF, TU, QN, DN, NV, MC, WF, MO, LX,OU 1430-1630
2130-2215		 1400/0700
2100/1200		 17
15
HN, WR, PM, PP, WB, NS, DN, NV 0200-0245 0200/1900 17
TG 0200 0200/2100 19
MS 1700
0100		 1800/0600
0200/1400		 12
12
WA 1545
1830		 1400/0700
1900/1200		 17
17

RNZAF Base Whenuapai

WP 1725
2330		 1800/1800
0000/2400		 24
24

Note:  Issue and validity times for all Domestic TAF one hour earlier during NZDT.

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TAF - INTERNATIONAL

(Also available for domestic flights)

Aerodromes Issue Times Validity Period Validity
Period (Hrs)
AA. WN. CH 2300
0500
1100
1700		 0000/2400
0600/0600
1200/1200
1800/1800		 24
24
24
24

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VOLMET TAF

Aerodromes Issue Times Validity Period Validity
Period (Hrs)
AA, CH 2330
0230
0530
0830
1130
1430
1730
2030 		0000/0900
0300/1200
0600/1500
0900/1800
1200/2100
1500/2400
1800/0300
2100/0600  		9
9
9
9
9
9
9
9

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METAR - Three major New Zealand aerodromes

Aerodromes METAR SPECI TREND
Validity
Period (Hrs)
AA, WN, CH Hourly, on the hour, 24/7 Issued as required 2

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METAR - All attended aerodromes (except AA, WN, CH)

Aerodromes METAR SPECI TREND
Validity
Period (Hrs)
WP*, TG, RO, HN, NP, PM, OH*, GS, NR, WB, NS, MF*, QN, DN, NV *Hourly, on the hour, during ATS  operations.
*Issued as required
Issued for WP and OH only
METAR AUTO are provided every 30 minutes (on the hour and half hour), 24/7 SPECI are not issued when METAR AUTO reports are provided.

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METAR - All other aerodromes

Aerodromes METAR SPECI TREND
Validity
Period (Hrs)
KK, KT*, WK, AP, WU, MS, PP, WS, HK, TU, OU, MC*, WF, MO,  WA*, WR, UK *Hourly, on the hour, but only during limited hours which can vary on a daily basis. Not generally issued   None issued
METAR AUTO are provided every 30 minutes (on the hour and half hour), 24/7 SPECI are not issued when METAR AUTO reports are provided.

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ARFOR

Areas Issue Times Validity Period Validity
Period (Hrs)
FN, TA, TK, ED, MH, CP, SA, DV, ST, TN, WW, KA, AL, PL, CY, GE, FD 1730-1810
2330-0010		 1730/0200
2330/1200 		 

Note:  Validity times one hour earlier during NZDT.

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GRIB

Areas Issue Times Valid Times
Global 0530
1130
1730
2330

0600, 1200, 1800, 0000, 0600
1200, 1800, 0000, 0600, 1200
1800, 0000, 0600, 1200, 1800
0000, 0600, 1200, 1800, 0000

Notes:

  1. GRIB forecasts are valid for fixed times as indicated in the “Valid Times” column.
  2. Wind and temperature forecasts are available for FL50, 100, 140, 180, 240, 300, 340, 390, 450, 530.

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SIGWX Charts

Type of Forecast Issue Times Valid Times
Hi-Level (FL250-630)
Mid-Level (FL100-250)

0230-0430
0830-1030
1430-1630
2030-2230

 1800
0000
0600
1200

Note: All SIGWX charts have a validity of +/- 3 hours of the stated valid times.

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Wind and Temperature (WIND/TEMP) Charts

Type of Forecast Issue Times Valid Times
WIND/TEMP 0530
1730

0600, 1200, 1800, 0000, 0600
1800, 0000, 0600, 1200, 1800

Notes:

  1. The WIND/TEMP charts have a validity of +/- 3 hours of the stated valid times.
  2. Charts are available for FL50, 100, 140, 180, 240, 300, 340, 390, 450.

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ROFOR

Type of Forecast Issue Time Valid Time
ROFOR Normally issued 2 hours prior to ETD To cover the intended flight and any alternates, plus two hours