Grade 7 · Cycle 5 · Week 1 — Watch two air masses collide and record data
for your forms
📊 Weather Station — St. Louis
Temperature
72°F (22°C)
Barometric Pressure
1008 mb
— Steady
Wind
↗
SW 15 mph
Steady
Precipitation
☀️ None
Front at Location
— No front
Relative Humidity
85%
📋 Record These Values in Your Form
POE1 · Temp Before
72°F
POE1 · Temp After
— (advance sim)
POE1 · Pressure Change
— (advance sim)
POE1 · Front Type
— (advance sim)
POE2 · Wind Shift
— (advance sim)
POE2 · Pressure Trend
— (advance sim)
POE2 · Precipitation
— (advance sim)
POE2 · Temp Trajectory
— (advance sim)
Stage 0 — Before the Collision: St. Louis is currently
under a warm, humid maritime Tropical (mT) air mass from the Gulf of
Mexico. A cold, dry continental Polar (cP) air mass sits over Canada.
Press Advance → to bring the fronts closer.
Stage:
cP (continental Polar) — Cold & Dry
mT (maritime Tropical) — Warm & Humid
Cold Front (triangles point direction of movement)