CASE 36 - Afternoon
convection over SMO develops into multicellular
system
8/20-21/04
Microphysical scans 2345 - 0200 Z, 2h 15m
SYNOPTIC CONDITIONS SUMMARY:
Weak ripples moving
through the west-northwest flow aloft coupled with upper-level divergence
boosted thunderstorms that initially developed over the higher terrain of Deep westerly flow over
southern
Day
0 forecast discussion text
Winds
200
mb - model.ETA.200408210000.00_200mb_wnd.gif
500
mb - model.ETA.200408210000.00_500mb_wnd.gif
700
mb - model.ETA.200408210000.00_700mb_wnd.gif
850
mb - model.ETA.200408210000.00_850mb_wnd.gif
MESOSCALE SUMMARY:
0024Z, GOES-10
24
h precipitation totals -
S-POL SUMMARY:
S-Pol log - spol_082004.txt - spol_082104.txt
SCAN
OVERVIEW:
|
2319
Z |
Cell
near 80 km, 90 deg looks pretty good. Definitely the strongest thing out
there. |
|
2345
Z |
Switched
PRFs and now running MicroFar135 on the intense
eastern cell. This will not cover every cell out there, and may not top some
close-in cells, but this main cell is the best case out there right now so I
have tailored the scans toward it. 2345Z, Base reflectivity
|
|
0011
Z |
Last
day! I have been continually adjusting the PPI center to maximize coverage of
both the main storm, which is now an impressive multicell
system, as well as every other smaller storm I can. Sacrificies
are being made on these smaller storms, however. 0015Z, Base reflectivity
|
|
0040
Z |
Main
storm still hanging in there, with heavy rain and high reflectivities aloft. 0045Z, Base reflectivity
|
|
0053
Z |
PPI
just barely topped new development near 60 km & 55 deg. RHIs on this cell. |
|
0128
Z |
Merger
between separate multicell storms has kicked off
the latest intensification - will it last past sunset? 0130Z, Base reflectivity
|
|
0200
Z |
Switching
back to 720 Hz due to the unfortunate passing of the main storm. think echo intensity is decreasing overall. Sunset is
having the requisite effect. 0200Z, Base reflectivity
|
