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Up • Synoptic Conditions • Event Summary • Radar Summary • Polarimetric Data
CASE 7 - Mature stage MCS over SMO propagating over coastal plain
7/17/04
Microphysical scans 1000 - 1200 Z, 2h
(System lifetime: 0800 - 1400 Z)

S-POL SUMMARY:

Northern tip of MCS, including a few intense cells, was captured by S-Pol microphysical scans.  Convective region growing and expanding westward over the GOC, developing into a mature MCS. Around 1139, MCS briefly (~ 30 min) takes on a quasi-linear structure as new convection develops to the NW and SE of main convective region. During this time, new cell development to NW of MCS was occurring near S-Pol

S-POL Log 040717  

Scan Overview:

       

0800:

Convection initiates over SMO SE of S-Pol, beginning to intensify.

0957:

Begin Microphysical Scanning, Switching to MicroNear135: Before this time, the most intense cells were beyond 120 km SE of S-Pol. Small, less intense cells were popping up 20-40 km E of S-Pol. As the cells closer to S-Pol strengthened, microphysical scanning was initiated. It rained at S-Pol about 15 min prior to switch to microphysical scans.

1059:

Switching to MicroNear90:

1109:

Switching back to MicroNear135: 90 degree sectors were missing convection, and so opted for a wider sector.

     

1200:

Base Reflectivity - S-Pol captures northwestern edge of MCS, with several cells forming close to S-Pol

1210:

End Microphysical Scans, Switching to ClimoFar: Cellular activity in vicinity of S-Pol diminishing, although MCS the the SE still looking good.

       

 


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