MTEOR 417/517 WEEK 11 SUPPORTING MATERIAL

Week 11 - Tornadogenesis and warnings

• Discussion about DRCs (blobs)
• GR depiction of DRC (blobs)
• Excellent site with sfc and upper air maps 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)
• The latest in Tornado Research and
• ONE Storm showing the perfect mini-supercell
• Dr. Doswell comments on tornadogenesis
• Dr. Doswell comments on tornado definition
• Picture of occluded older wall cloud with new one starting to produce a tornado out ahead (Dr. Doswell)
• Pictures of tornado look-alikes (SPC)

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

NWA 2001 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

Lab 11 - map set 1

• 300 mb forecast for 12 UTC
• 500 mb forecast for 12 UTC
• 700 mb forecast for 12 UTC
• 850 mb forecast for 12 UTC

Lab 11 - map set 2

• DVN 12z sounding
• LBF 12z sounding
• OUN 12z sounding
• SGF 12z sounding
• OAX 12z sounding
• 500 mb forecast for 00 UTC

• NC KS
• NC KS
• SC KS
• OK
• OK
• MO