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6/13/08 FCST: MI/OH/IN/IL

Joined
Sep 25, 2006
Messages
274
Location
Livonia, MI, USA
Specifically in the region it looks like we're due for another strong wind event. Whoever has the power, feel free to add the other states but I thought we'd leave the Plains separate since their dynamics are a wee different.

The 00z GFS, which COD has, is showing CAPE well into 2k's and plenty of upper level backing. After looking at the 12z on the NCEP site it looks like this is going to impact NE IN and N OH more than SE MI but we're pretty hopeful in these parts.

The NAM models run to run keep moving this system more northward but has been consistent in doing so. That being the case, this may turn into a more late evening, early morning event for us here in SE MI.

As with what has happened on last Friday and Sunday, any "kinks" in the line would most certainly have the ability to spin-up though any tornadoes would be short lived.

As seems to be the trend, we will have an overnight MCS to deal with and hopes that it clears out so we can get enough daytime heating.

The NMM has had a pretty good handle on things as of late but it's still finishing up so I'll update my thoughts when it's finished up.
 
Besides the supercell composite of 16 and Sig tor level of 4 on the western side of the state of MI, there's a very high level of helicity at the 0-1km level (as high as 600 or more crossing Lake MI) entering MI right now and oddly no one has mentioned the fact that much of the LP is under is under a tornado watch.
Considering the two recent tornadoes on Sunday, folks shouldn't be counting out MI for action. Here are the counties under a watch till 10 AM, and later in the afternoon should be another round, though don't see comparable helicities forecast:

--
TORNADO WATCH 519 IS IN EFFECT UNTIL 1000 AM EDT FOR THE
FOLLOWING LOCATIONS

MIC005-011-015-017-035-037-039-051-057-067-073-081-085-105-107-
111-113-117-119-121-123-127-129-133-135-139-143-145-159-165-
131400-
/O.NEW.KWNS.TO.A.0519.080613T0555Z-080613T1400Z/

MI
. MICHIGAN COUNTIES INCLUDED ARE

ALLEGAN ARENAC BARRY
BAY CLARE CLINTON
CRAWFORD GLADWIN GRATIOT
IONIA ISABELLA KENT
LAKE MASON MECOSTA
MIDLAND MISSAUKEE MONTCALM
MONTMORENCY MUSKEGON NEWAYGO
OCEANA OGEMAW OSCEOLA
OSCODA OTTAWA ROSCOMMON
SAGINAW VAN BUREN WEXFORD
 
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