// Station · 7m ago

KAFN

Jaffrey Airfield Silver Ranch Airport

CAT VFR

WIND CALM

VIS 10+ SM

CEILING BKN at 3,700 ft

T/Td 11.1°C / 5°C

ALTIM 30.03 inHg

ELEV 1,040 FT

42.8051°N / 72.0030°W

LOCATION · Jaffrey, US

WIND

—calm

KAFN · 1,040 FT

// Current + 24h forecast · METAR loaded · TAF loading…

METRIC

NOW · 20Z

+6H

+12H

+18H

WIND

CALM

VIS

10+ SM

CEILING

BKN037

LAYERS

SCT029 BKN037 BKN045

T / Td

11 / 5

ALTIM

30.03"

// Interpretation

VFR — ceiling 3,700 ft. Winds calm, visibility better than 10 statute miles, scattered at 2,900 ft, broken at 3,700 ft, and broken at 4,500 ft. Would shift to MVFR if the ceiling drops to 3,000 ft or visibility below 5 SM.

Loading TAF forecast narrative…

SOURCES · NOAA Aviation Weather Center METAR (TAF loading…)

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// Raw observation METAR string + decoded

METAR KAFN 302052Z AUTO 10SM SCT029 BKN037 BKN045 11/05 A3003 RMK AO2 SLP177 T01110050 53002

KAFN · day 30 at 20:52 UTC · winds calm · visibility 10+ SM · scattered layer at 2,900 ft · broken layer at 3,700 ft · broken layer at 4,500 ft · temp 11°C / dewpoint 5°C · altimeter 30.03" Hg · automated station w/ precipitation discriminator · sea-level pressure 1017.7 mb

// Runway analysis · computed from current METAR wind

Wind CALM

ALL USABLE · WINDS CALM

WIND

CALMcalm

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

16 HDG 160° —CALM —— 2,982'

34 HDG 340° —CALM —— 2,982'

Pattern altitude: 2,040 ft MSL (1,000 ft AGL). Verify pattern direction and altitude with the chart supplement before flying. // On calm winds (<3 kt), all runways are usable — favor the longest or whatever the pattern calls for.

// Density altitude · ISA -2°C

700FT

-340 FT BELOW FIELD ELEV

// DA · LAST 24 HOURS ↘ -800 FT

24h AGO18h12h6hNOW

FIELD ELEV1,040 FT OAT+11°C ISA DELTA-2°C PRESSURE ALT928 FT

// Performance equivalent Operating here right now feels like operating at KLEB (Lebanon Municipal Airport, Lebanon, elev 603 ft) on a standard ISA day.

// Aircraft performance impact MINOR

TAKEOFF ROLL CLIMB RATE

Single-engine propC172, PA-28, Cherokee

+7%

-5%

Turbo / high-perf pistonSR22T, Bonanza, Mooney

+5%

-3%

Light jetCJ4, Phenom 300, M2

+3%

-2%

Approximate using ~10% perf loss / 1,000 ft DA for normally aspirated, scaled by powerplant type. Verify with your aircraft's POH for accurate numbers — especially above 5,000 ft DA where these rules of thumb diverge.

// Cloud layers · 3 reported · highest to lowest

// Reported layers (highest → lowest)

BKN045

Broken · base 4,500 ft AGL · ~5–7 oktas

BKN037

Broken · base 3,700 ft AGL · ~5–7 oktas

SCT029

Scattered · base 2,900 ft AGL · ~3–4 oktas

// Computed

CEILING3,700 ft AGL HIGHEST LAYER4,500 ft TOTAL COVERAGE~91% (overcast) FREEZING LEVEL6,646 ft VFR MARGIN+700 ft

// Sun & Moon · times in Z · bar = local day (UTC-5)

09:14ZSUNRISE

16:47ZSOLAR NOON

00:19ZSUNSET

00:53ZCIVIL END

CURRENT20:59Z DAYLIGHT REMAINING3h 20m VFR NIGHT BEGINS00:53Z (3h 54m) DAY LENGTH15h 04m

Full Moon

ILLUMINATION100% MOONRISE20:44Z MOONSET11:48Z FULL MOON IN1 day

// Nearest reporting stations · 5 shown · 60 NM radius

KEEN

VFR

Dillant Hopkins Airport · Keene

WIND: 030° / 10 kt
VIS: 10+ SM
CEILING: OVC055
DIST: 13 NM NW
AGE: 3m ago

KFIT

VFR

Fitchburg Municipal Airport · Fitchburg

WIND: 040° / 8 kt
VIS: 10+ SM
CEILING: SCT022
DIST: 19 NM SE
AGE: 7m ago

KORE

VFR

Orange Municipal Airport · Orange

WIND: 020° / 6 kt
VIS: 10+ SM
CEILING: BKN034
DIST: 19 NM SW
AGE: 7m ago

KASH

VFR

Nashua Airport / Boire Field · Nashua

WIND: 060° / 7 kt
VIS: 10+ SM
CEILING: BKN100
DIST: 22 NM E
AGE: 3m ago

KMHT

VFR

Manchester-Boston Regional Airport · Manchester

WIND: 070° / 11 ktG17
VIS: 10+ SM
CEILING: BKN250
DIST: 26 NM E
AGE: 6m ago

// Area map · 60 NM radius · CartoDB Dark Matter + aeronautical overlay

AIRSPACE

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