Gaithersburg/Montgomery Cnty, US
Flight category
Marginal VFR — ceiling 1000–3000 ft OR visibility 3–5 sm
Likely runway
16
est. from wind
Wind
160° / 6 kt
From the SSE
Visibility
4 sm
Clouds
SCT 1,400 ft
Scattered (3–4 oktas) @ 1,400 ft AGL
Ceiling
Unlimited
No broken/overcast layers
Temp / Dewpoint
26.7°C / 23.9°C
Spread 2.8°C — fog risk
Altimeter
29.97 inHg
1015.0 hPa
Phenomena
HZ
haze
METAR KGAI 181356Z AUTO 16006KT 4SM HZ SCT014 27/24 A2997 RMK AO2 SLP157 T02670239No TAF available.
Altitude: — – 45,000 ft
WSUS31 KKCI 181455 SIGE CONVECTIVE SIGMET 99E VALID UNTIL 1655Z MA CT NY NJ PA DE MD AND NJ NY CT CSTL WTRS FROM 40WNW BDL-60S HTO-40WNW SIE-60WSW HNK-40WNW BDL AREA SEV TS MOV FROM 26025KT. TOPS ABV FL450. HAIL TO 1 IN...WIND GUSTS TO 50KT POSS. OUTLOOK VALID 181655-182055 AREA 1...FROM 60WNW YVV-30ENE ECK-DXO-30WNW GIJ-40WNW MKG-60WNW YVV WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS. AREA 2...FROM MSS-ECG-ORD-DXO-30SSE DXO-CLE-BUF-30ESE YYZ-40NW SYR-MSS WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS. AREA 3...FROM ORD-110ESE ECG-CRG-40NNW CEW-ORD WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS. AREA 4...FROM 50NW PQI-PQI-HUL-50WSW YSJ-160SE ACK-150SE SIE-180ESE ECG-110ESE ECG-MSS-70NE MPV-50NW PQI WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS. AREA 5...FROM 110ESE ECG-180ESE ECG-140SSE ILM-210ENE OMN-200ENE PBI-70ENE PBI-160SE MIA-80WSW EYW-200WSW SRQ-40N CEW-110ESE ECG WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.
Imagery courtesy of Iowa State Mesonet (NEXRAD) and NOAA. Not for navigation.

GFS Skew-T from Iowa State; FB text from NOAA AWC. Plan with care.
39.1696
-77.1653
151 m
US
KGAI NOTAMs
Active notices to airmen
Altitude: — – 45,000 ft
WSUS31 KKCI 181455 SIGE CONVECTIVE SIGMET 01E VALID UNTIL 1655Z PA DE MD VA WV OH FROM 60WSW HNK-40WNW SIE-30N HNN-10NE APE-50W SLT-60WSW HNK AREA TS MOV FROM 27035KT. TOPS ABV FL450. OUTLOOK VALID 181655-182055 AREA 1...FROM 60WNW YVV-30ENE ECK-DXO-30WNW GIJ-40WNW MKG-60WNW YVV WST ISSUANCES POSS. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS. AREA 2...FROM MSS-ECG-ORD-DXO-30SSE DXO-CLE-BUF-30ESE YYZ-40NW SYR-MSS WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS. AREA 3...FROM ORD-110ESE ECG-CRG-40NNW CEW-ORD WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS. AREA 4...FROM 50NW PQI-PQI-HUL-50WSW YSJ-160SE ACK-150SE SIE-180ESE ECG-110ESE ECG-MSS-70NE MPV-50NW PQI WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS. AREA 5...FROM 110ESE ECG-180ESE ECG-140SSE ILM-210ENE OMN-200ENE PBI-70ENE PBI-160SE MIA-80WSW EYW-200WSW SRQ-40N CEW-110ESE ECG WST ISSUANCES EXPD. REFER TO MOST RECENT ACUS01 KWNS FROM STORM PREDICTION CENTER FOR SYNOPSIS AND METEOROLOGICAL DETAILS.