What Happened?
Click the tabs to see what happened from 00 to 09 UTC 20 July. Then answer the question below.
Visible Imagery
Fog Product
METARS
METAR HKJK 200300Z 22003KT 9999 BKN015 12/12 Q1022 TEMPO 0300 6000 BKN002=
METAR HKJK 200400Z VRB01KT 1000 BCFG SCT003 OVC015 12/12 Q1023 BECMG FM0430 0600 FG BKNOOI=
METAR HKJK 200500Z 19004KT 0800 FG SCT001 OVC015 11/11 Q1024 TEMPO FM0600 3000 BKN001 OVC015=
METAR HKJK 200600Z 21006KT 4000 BKN003 BKN016 13/12 Q1025 TEMPO AT 0700 9999 SCT009 BKN018=
METAR HKJK 200700Z 20004KT 9999 SCT008 BKN017 14/12 Q1025 NOSIG=
METAR HKJK 200800Z 20006KT 9999 SCT010 BKN018 16/13 Q1025 NOSIG=
METAR HKJK 200900Z 19007KT 9999 SCT020 18/13 Q1024 NOSIG=
Synop Charts
How did the weather situation evolve? Select the correct option.
The correct answer is A.
According to the METAR observations, visibility was at its lowest at 05 UTC, 1.5 hours after local sunrise. No drizzle was observed, only patches of fog and fog, which lifted by 06 UTC. According to the satellite products, the low cloud layer remained over the Nairobi region the entire morning and broke up shortly after the 08 UTC time forecasted in the TAF. The 06 UTC synoptic chart indicates foggy conditions (in green) over the region with reduced visibility (as low as 800 m in Nairobi).