May 11, 2003 – The Null Event
Mike Evans
Index of Slides
-
May 11, 2003 – The Null Severe Weather Event
-
500 mb heights and vorticity - 18z
-
500 mb heights and vorticity - 00z
-
surface pressure and thickness - 18z
-
surface pressure and thickness - 00z
-
250 mb winds 18z
-
Eta Cape 21z
-
Eta Helicity 21z
-
Eta ELM sounding 21z
-
Eta QPF
-
SPC moderate Risk
-
Summary of the forecast large-scale pattern
-
Satellite image 15z
-
SPC CAPE 16z
-
SPC 0-6 km shear 18z
-
SPC helicity 17z
-
SPC EHI index 17z
-
Satellite image 18z
-
Satellite image 2115z
-
Satellite image 2240z
-
4 panel reflectivity 2150z
-
4 panel SRM 2150z
-
4 panel reflectivity 2247z
-
4 panel SRM 2247z
-
4 panel reflectivity 2332z
-
4 panel reflectivity 2332z
-
Summary
-
Cloud Picture
-
So what went wrong???
-
250 mb divergence 21z
-
450 mb divergence 21z
-
omega cross-section 21z
-
600 mb winds
-
PIT observed sounding
-
Eta forecast PIT sounding
-
IPT sounding
-
Omega cross-section
-
Summary…
-
Another inhibiting factor with this event could have been the “narrowness” of the warm sector?
-
Surface plot 20z
-
MSAS analysis 21z
-
Surface plot 23z
-
Lapse rate cross-section
-
Finally, let’s look at some parameters that have been shown to be related to tornadogenesis via the SPC analysis
-
SPC low-level CAPE 22z
-
SPC 0-1 km shear 22z
-
SPC mid-level storm relative flow 22z
-
SPC LCL heights 22z
-
Summary of the SPC analysis
-
Final Summary – What happened?
-
Summary (continued)
Return to Format Selection
This document created with the Web Accessibility Wizard for Microsoft(R) Office.