SWOMCD
SPC MCD 270031
MIZ000-WIZ000-270530-
MESOSCALE DISCUSSION 0152
NWS STORM PREDICTION CENTER NORMAN OK
0631 PM CST THU FEB 26 2009
AREAS AFFECTED...NERN WI...NRN LOWER MI AND ERN UPPER MI
CONCERNING...HEAVY SNOW
VALID 270031Z - 270530Z
SNOWFALL RATES UP TO 2 IN/HR ARE LIKELY ACROSS NRN MI AND ERN LOWER
MI THROUGH THE EVENING.
AMPLE MOISTURE IS STREAMING NWD AHEAD OF A DEVELOPING SURFACE LOW
NOW OVER NRN IL...AND AHEAD OF AN APPROACHING UPPER TROUGH OVER SRN
MN AND IA. THERMODYNAMIC PROFILES WILL WARM OVER CNTRL AND SRN MI
DUE TO CONTINUED WARM ADVECTION AROUND 850 MB...WITH SNOW TURNING TO
RAIN OVER CNTRL MI. PROFILES WILL REMAIN COLD ENOUGH FOR ALL SNOW
OVER FAR NRN MI AND THE U.P...AND THE DEEPENING SYSTEM WILL RESULT
IN A TIGHTENING MID LEVEL THERMAL GRADIENT AND INCREASED
FRONTOGENETICAL FORCING BY 03-06Z. STRONG LIFT AS WELL AS UPSTREAM
LIQUID EQUIVALENT MEASUREMENTS SUGGEST 1-2 IN/HR SNOWFALL RATES ARE
POSSIBLE.
..JEWELL.. 02/27/2009
...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT...
ATTN...WFO...APX...GRR...MQT...GRB...
LAT...LON 44638332 44398424 44038598 43948759 44188824 45128853
45848853 46078842 46448790 46578706 46728617 46828506
46428401 46048360 45438300 44748298 44638332
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
To unsubscribe from WX-STORM send e-mail to LISTSERV@LISTSERV.ILLINOIS.EDU with
"unsub wx-storm" in the body of your message. For more information write cnovy@cox.net.
No comments:
Post a Comment