// Station · 15m ago

KPMH

Greater Portsmouth Regional Airport

CAT LIFR

WIND 170° / 4 kt

VIS 0.25 SM

CEILING BKN at 100 ft

T/Td 15°C / 15°C

ALTIM 29.98 inHg

WX FG

ELEV 663 FT

38.8405°N / 82.8473°W

LOCATION · Portsmouth, US

WIND

170°4 kt

KPMH · 663 FT

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

METRIC

NOW · 06Z

+6H

+12H

+18H

WIND

170°/4

VIS

0.25 SM

CEILING

BKN001

LAYERS

BKN001

T / Td

15 / 15

ALTIM

29.98"

// Interpretation

LIFR — ceiling 100 ft. Light winds at 170°/4 kt, visibility 0.25 SM, broken at 100 ft. Reported weather: fog (FG). Fog is water droplets suspended at the surface with visibility under 5/8 SM; it typically burns off with daytime heating or a pickup in wind. LIFR is the lowest standard category. Would improve to IFR above 500 ft and 1 SM.

Loading TAF forecast narrative…

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

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// Raw observation METAR string + decoded

METAR KPMH 130615Z AUTO 17004KT M1/4SM FG BKN001 15/15 A2998 RMK AO2

KPMH · day 13 at 06:15 UTC · wind from 170° at 4 kt · visibility 0.25 SM · broken layer at 100 ft · temp 15°C / dewpoint 15°C · altimeter 29.98" Hg · weather: fog (FG) · automated station w/ precipitation discriminator

// Runway analysis · computed from current METAR wind

Wind 170° @ 4 kt

ALL USABLE · WINDS CALM

WIND

170°4 kt

HEADWIND CAUTION · HIGH XW AVOID · TAILWIND

ALL RUNWAYS · CALM WINDS 2 ends

18 HDG 180° —CALM —— 5,001'

36 HDG 360° —CALM —— 5,001'

Pattern altitude: 1,663 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 +1°C

700FT

+37 FT ABOVE FIELD ELEV

// DA · LAST 24 HOURS loading…

FIELD ELEV663 FT OAT+15°C ISA DELTA+1°C PRESSURE ALT601 FT

// Performance equivalent Operating here right now feels like operating at KDFI (Defiance Memorial Airport, Defiance, elev 707 ft) on a standard ISA day.

// Aircraft performance impact ENHANCED

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. Severity rating assumes a standard altimeter setting (29.92" Hg / 1013 hPa); a non-standard setting shifts the effective altitude by roughly 1,000 ft per 1" Hg of deviation.

// Cloud layers · 1 reported · highest to lowest

// Reported layers (highest → lowest)

BKN001

Broken · base 100 ft AGL · ~5–7 oktas

// Computed

CEILING100 ft AGL HIGHEST LAYER100 ft TOTAL COVERAGE~75% (mostly covered) FREEZING LEVEL8,239 ft VFR MARGIN-2,900 ft

// Sun & Moon · times in Z · bar = local day (UTC-6)

11:39ZSUNRISE

17:18ZSOLAR NOON

22:57ZSUNSET

23:24ZCIVIL END

CURRENT06:30Z DAYLIGHT REMAINING16h 26m VFR NIGHT BEGINS23:24Z (16h 53m) DAY LENGTH11h 18m

Waxing Crescent

ILLUMINATION4% MOONRISE13:11Z MOONSET00:29Z FULL MOON IN13 days

// Nearest reporting stations

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

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