[MCD] SWOMCD

[MCD at goshenarc.org]

ACUS11 KWNS 052320
SWOMCD
SPC MCD 052320 
WYZ000-MTZ000-060045-

MESOSCALE DISCUSSION 1898
NWS STORM PREDICTION CENTER NORMAN OK
0620 PM CDT THU AUG 05 2004

AREAS AFFECTED...S-CENTRAL MT

CONCERNING...SEVERE THUNDERSTORM WATCH 713...

VALID 052320Z - 060045Z

SEVERE THUNDERSTORM WATCH 713 CONTINUES IN EFFECT ACROSS S-CENTRAL
MT. 

CAPPING INVERSION HAS LIMITED COVERAGE OF CONVECTIVE STORMS ACROSS
MOST OF S-CENTRAL MT THIS AFTERNOON. ISOLATED SEVERE THUNDERSTORM 20
SE BIL AT 2305Z INITIATED ALONG A MESOSCALE BOUNDARY EXTENDING NE-SW
SOUTH OF BIL. TEMPERATURES IN THE 80S AND DEWPOINTS IN THE LOW TO
MID 50S ARE CONTRIBUTING TO MLCAPE VALUES AROUND 1000 J/KG. VAD WIND
PROFILE AT BIL SHOWS VERY STRONG DEEP LAYER SHEAR OF 60KT.
ENVIRONMENT SHOULD CONTINUE TO SUPPORT ISOLATED SUPERCELLS WITH
LARGE HAIL AND DAMAGING WINDS. 

FURTHER NORTH....CONVECTIVE LINE CONTINUES TO ORGANIZE BETWEEN GTF
AND LWT. PRESENT RADAR TRENDS SUGGEST CORRIDOR OF DAMAGING WINDS
ASSOCIATED WITH THIS LINE AND EMBEDDED BOWS WILL REMAIN PRIMARILY
FROM LWT NWD...ACROSS WW 712. HOWEVER...SRN PORTION OF THIS ACTIVITY
MAY EFFECT THE NRN PORTION OF WW 713 DURING THE NEXT FEW HOURS. SRN
EXTENT OF LINE MAY BE AIDED BY STRONG SYNOPTIC FORCING ASSOCIATED
WITH SHORTWAVE TROUGH MOVING NEWD AND CROSSING INTO FAR SWRN MT AT
THE PRESENT TIME.

..BANACOS.. 08/05/2004

...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...

ATTN...WFO...BYZ...GGW...RIW...TFX...

44920966 46790961 46780623 44920639 

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