1 / 41

Mayhem in May, How Baron Tools Saved the Day: 21 & 22 May 2004

John McLaughlin, KCCI-TV Daryl Herzmann, Iowa State University. Mayhem in May, How Baron Tools Saved the Day: 21 & 22 May 2004. KCCI's Umbrella of Protection. 60+ SchoolNet based real-time weather sensors 13 Live WebCameras 4 Stormchase vehicles Instant Messaging with NWS

orli
Download Presentation

Mayhem in May, How Baron Tools Saved the Day: 21 & 22 May 2004

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. John McLaughlin, KCCI-TV Daryl Herzmann, Iowa State University Mayhem in May, How Baron Tools Saved the Day:21 & 22 May 2004

  2. KCCI's Umbrella of Protection • 60+ SchoolNet based real-time weather sensors • 13 Live WebCameras • 4 Stormchase vehicles • Instant Messaging with NWS • Storm Spotter Hotline • Baron Fastrac/VIPIR

  3. 21 May 2004 Talking Points • Severe convection the previous night produced an extremely strong outflow boundary over Northern Iowa. • The warm sector cleared out and warmed nicely during the day • The instability axis was lined up with the outflow boundary by 18z.

  4. 2 PM

  5. 2 PM view from Webster City Looking NNW Note the LCL

  6. 3 PM: Points to Ponder • Will our current convective cluster NE of DSM weaken as it moves to the SE? • Situational awareness: Where is the tornado threat?

  7. 4 PM : Convection fires in NW Iowa.

  8. 5 PM: View from Rockwell City

  9. 5-6 PM: Reports • Numerous tornadoes in Jones, Linn, and Benton County. These tornadoes are with the cluster to the east of Des Moines. • 5:19PM Softball hail 5 S Spencer (Clay County)

  10. Begin Case Study at 5:47 PM

  11. 6 PM: Looks to be wall2wall weather!

  12. 6:10 PM: Tornado reported near Rolfe (Pocahontas County)

  13. 6:20 PM: Lights ripped off of sheriff's car (Pocahontas County) 6:22 PM: Tornado reported 2 E of Rolfe (Pocahontas County)

  14. 6:23 PM: Tornado reported in Bradgate (Humboldt County)

  15. Damage at Bradgate

  16. 21 May Summary

  17. 22 May: talking points • Massive amounts of convection blow up the evening of the 21rst and work SE over night. • The combined warm front / outflow boundary was extremely strong. • Onset of convection would probably be a bit later due to strengthening CAP and vort max still in Western NE

  18. 12z OAX (Omaha) Sounding

  19. 0z OAX: Danger, Danger

  20. (18:37:46) kcciwhite: we are still west of fontanelle (18:38:11) kcciwhite: check out our cam (18:38:37) nwsdmx2: rotating wall cloud near woodward (18:40:08) kcciwhite: in fontanelle (18:45:19) kcciwhite: we are heading north on IA 25 out of Greenfield.... see a nice lowering that way Instant Messaging with the NWS

  21. (18:51:43) nwsdmx2: plenty of rotation in the wall cloud, moving se toward madrid

  22. (18:55:15) kcciwx: rapid hook forming sw of stuart on lsd (18:55:15) kcciwhite: that's a 10-4. we are seeing lowering (18:55:15) kcciwhite: we are south of that on hwy. 5 about 5 mi. north of greenfield (18:55:37) kcciwhite: cam pointed right at it (18:55:39) kcciwx: Seeing anything?? (18:56:15) kcciwhite: just lowerings, just some upward motion (18:57:33) kcciwhite: some good scud (18:57:53) kcciwhite: we are on 180th street in adair county going east (18:58:00) kcciwhite: turning north on orange road (18:58:21) nwsdmx2: baseball hail 2 n madrid Live Reports from the field

  23. (19:06:52) kcciwx: tornado south of menlo on the ground (19:06:56) nwsdmx2: tornado reported just sw of stuart (19:07:00) nwsdmx2: ham report The Photogenic Stuart Tornado

  24. Another Shot of Stuart Tornado

  25. (19:44:27) kcciwx: tornado by maxwell..public (19:44:33) kcciwx: public report (19:45:03) nwsdmx2: 4ne dexter, tornado ham radio report (19:46:51) nwsdmx2: tornado just w of maxwell now! (19:47:38) kcciwx: 2 inch hail in camberage (19:50:43) nwsdmx2: tornado 3w of adel now! Chaos Ensues

  26. NEXRAD + Warnings @ 8 PM

  27. (01:36 AM) john_mcweather: just got stopped by ankeny pd so they could look at the radar! young kid though it was cool Still storm chasing at 2 AM !!!

  28. Event Tornado Warnings

  29. Summary Stats • Tornadoes by day for Iowa: • 15 (May 21rst) • 19 (May 22nd) • 110 Tornadoes so far for 2004 (Record)

More Related