KGRK TAF
Terminal aerodrome forecast for Robert Gray AAF (GRK · KGRK), Fort Hood (Killeen), TX. Issued 21 Sep 2026 0000Z, valid 0000Z to 0600Z, decoded period by period below. · Open on the map
All of Robert Gray AAF — runways, frequencies, charts and live weatherTAF issued 21 Sep 2026 0000Z
valid 0000Z to 0600ZTAF KGRK 210000Z 2100/2206 VRB06KT 9999 SCT060 QNH2987INS WND 16009KT AFT 2104 TEMPO 2100/2104 9000 -SHRA BKN060 BECMG 2115/2116 14010G15KT 9000 -SHRA SCT060 QNH2991INS TEMPO 2118/2122 VRB15G25KT 8000 -TSRA BKN060CB BECMG 2123/2124 16009KT 9999 NSW SCT060 QNH2992INS TX36/2121Z TN25/2112Z
Times are UTC (Zulu), as they appear in the bulletin.
Period by period
| Period (UTC) | Change | Wind | Vis | Ceiling | Sky | Cat |
|---|---|---|---|---|---|---|
| 0000Z to 1500Z | Initial | Variable at 6 kt | 6+ SM | Clear | Scattered at 6,000 ft AGL | VFR |
| 0000Z to 0400Z | TEMPO | Calm | 5.59 SM | 6,000 ft BKN | Broken at 6,000 ft AGL | VFR |
| 1500Z to 2300Z | BECMG | 140° at 10-15 kt | 5.59 SM | Clear | Scattered at 6,000 ft AGL | VFR |
| 1800Z to 2200Z | TEMPO | Variable at 15-25 kt | 4.97 SM | 6,000 ft BKN | Broken at 6,000 ft AGL | MVFR |
| 2300Z to 0600Z | BECMG | 160° at 9 kt | 6+ SM | Clear | Scattered at 6,000 ft AGL | VFR |
What the change groups mean
- TEMPO
- Temporary — expected for less than half the period, in spells under an hour.
- BECMG
- Becoming — a gradual change over the stated window.
What the categories mean
- VFR
- Visual flight rules — ceiling above 3,000 ft and visibility greater than 5 SM.
- MVFR
- Marginal VFR — ceiling 1,000 to 3,000 ft and/or visibility 3 to 5 SM.
Frequently asked
What is the current TAF for KGRK?
The forecast issued 21 Sep 2026 0000Z for Robert Gray AAF reads: TAF KGRK 210000Z 2100/2206 VRB06KT 9999 SCT060 QNH2987INS WND 16009KT AFT 2104 TEMPO 2100/2104 9000 -SHRA BKN060 BECMG 2115/2116 14010G15KT 9000 -SHRA SCT060 QNH2991INS TEMPO 2118/2122 VRB15G25KT 8000 -TSRA BKN060CB BECMG 2123/2124 16009KT 9999 NSW SCT060 QNH2992INS TX36/2121Z TN25/2112Z
How far ahead does a TAF forecast?
A TAF covers a 24-hour period at most airports and 30 hours at larger ones, issued four times a day at 0000Z, 0600Z, 1200Z and 1800Z. It describes conditions within roughly 5 statute miles of the airport, not the surrounding area.
What do FM, BECMG and TEMPO mean?
FM (from) marks a rapid, permanent change at the stated time. BECMG (becoming) marks a gradual change over the stated window. TEMPO marks conditions expected for less than half the period, in spells of under an hour each. PROB30 and PROB40 give the probability of the conditions that follow.
More about KGRK
Forecasts from the US National Weather Service Aviation Weather Center. Times are UTC (Zulu). For planning and education only — always confirm with an official preflight briefing.
Something here wrong or out of date? Report a data problem.