Meteorology 417 - Weekly Labs

Optional notes

Space for optional news or links.

Week 12 - Tornadogenesis and tornado warnings

• Average Iowa dew points for svr and tornado warnings
• Excellent site with sfc and upper air map s of major tornadoes in USA from 1940-2004
• Cool picture of cloud forming due to pressure drop associated with sound barrier being broken by jet plane (remember that tornado condensation funnel also occurs due to pressure drop)
• ONE Storm showing the perfect mini-supercel l
• Dr. Doswell comments on tornadogenesis
• Dr. Doswell comments on tornado definition
• Picture of occluded older wal l cloud with new one starting to produce a tornado out ahead (Dr. Doswell)

AMS chapter talk on May 03 1999 Tornado outbreak

• Observed 250 mb winds at 00 z May 04
• 12 hr Eta forecast for 250 mb w inds at 00 z May 04
• 24 hr Eta forecast for 250 mb w inds at 00 z May 04
• 12 hr NGM forecast for 250 mb w inds at 00 z May 04
• 24 hr NGM forecast for 250 mb w inds at 00 z May 04
• 12 hr AVN forecast for 250 mb w inds at 00 z May 04
• 24 hr AVN forecast for 250 mb w inds at 00 z May 04
• 12 hr RUC forecast for 250 mb w inds at 00 z May 04
• Jayton, TX profiler on May 03

Ames 1998 hail/tornadic storm graphics

• 12z case 1 sfc
• 12z case 2 sfc
• 17z case 2 sfc
• 18z case 2 sfc
• 19z case 2 sfc
• 20z case 2 sfc
• 21z case 1 sfc
• 22z case 1 sfc
• 23z case 1 sfc
• 00z case 1 sfc
• hail background

2019 CHASE LAB 12Z maps

2019 CHASE LAB MAP SET 1 - 00Z maps

• 24h NAM prediction of 500mb - valid 00 Z
• 24h NAM prediction of 700mb - valid 00 Z
• 24h NAM prediction of surface - valid 00 Z
• 24h NAM prediction of surface T/Td - valid 00 Z

  2019 CHASE LAB MAP SET 2 - 12Z maps

  • 300mb - 12 Z
  • 500mb - 12 Z
  • 700mb - 12 Z
  • 850mb - 12 Z
  • Amarillo, TX skew-T - 12 Z
  • Norman, OK skew-T - 12 Z
  • Springfield, MO skew-T - 12 Z
  • Omaha, NE skew-T - 12 Z
  • Topeka, KS skew-T - 12 Z
  • Dodge City, KS skew-T - 12 Z
  • Minneapolis, MN skew-T - 12 Z
  • North Platte, NE skew-T - 12 Z
  • Davenport, IA skew-T - 12 Z
  • Fort Worth, TX skew-T - 12 Z