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May 19-22 Severe Weather Threat


Hoosier

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Planning on chasing today again but some serious cloud cover right now has me concerned for lack of real good instability. Basically agree with the above discussion in an Ontario context. Marginal threat as of right now unless convective debris clears out real soon.

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All sun right now, but it looks like that's going away soon. Hopefully we can get some CAPE nonetheless as we have a nice setup for the afternoon

The RAP has only 750-1000 J/kg for CAPE for northern Indiana and slightly less CAPE for NW Ohio this afternoon. NW Ohio trying to avoid interesting weather once again!

 

http://www.twisterdata.com/index.php?prog=forecast&model=RAP&grid=255&model_yyyy=2013&model_mm=05&model_dd=22&model_init_hh=16&fhour=04&parameter=CAPE&level=SURFACE&unit=none&maximize=n&mode=singlemap&sounding=n&output=image&view=large&archive=false

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Weird significant weather advisory from GRR. 

 

...SIGNIFICANT WEATHER ADVISORY...

AT 210 PM...SHOWERS AND THUNDERSTORMS WERE DEVELOPING ALONG AND
SOUTH OF A WARM FRONT FROM NEAR PENTWATER TO HARRISON. ADDITIONAL
SHOWERS AND THUNDERSTORMS WERE DEVELOPING IN A LINE FROM NEAR
IONIA...SOUTHWEST TO PAW PAW. MOVEMENT WAS NORTHEAST AT AROUND 25
MPH.

IN ADDITION LOCALLY A HALF INCH OF RAIN COULD ACCOMPANY THE
HEAVIER SHOWERS AND STORMS. THIS COULD LEAD TO URBAN AND POOR
DRAINAGE FLOODING.

WHILE NO FUNNEL CLOUDS OR TORNADOES HAVE BEEN REPORTED AT THIS
TIME...THE METEOROLOGICAL CONDITIONS TODAY SUPPORT THE RAPID AND
SUDDEN DEVELOPMENT OF FUNNEL CLOUDS AND EVEN BRIEF WEAK
TORNADOES... WHICH MAY APPEAR WITH LITTLE OR NO WARNING. THESE MAY
EVEN OCCUR FROM JUST RAIN SHOWERS...WITHOUT A THUNDERSTORM AND
LIGHTNING IN THE VICINITY.

IF A FUNNEL CLOUD OR TORNADO IS SPOTTED...GET INSIDE A STURDY
STRUCTURE IMMEDIATELY. PLEASE REPORT FUNNEL CLOUDS OR TORNADOES TO
LOCAL LAW ENFORCEMENT FOR RELAY TO THE NATIONAL WEATHER SERVICE.

$

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Things have really cleared out over S. ON. Hopefully this will create a better storm environment. Temperature jumped quickly to near 80.

I have a good chance at being able to chase today...cleared nicely and is now really sunny here in Hamilton. The Severe watch south of Lake Erie excluded Western New York...not sure if they think the threat this far north is low now cause of the morning cloud cover?

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Severe Thunderstorm Watch issued by EC. Interesting that they didn't include Niagara and Haldimand while SPC is considering a Severe watch for adjacent areas. 

791 
WWCN11 CWTO 221924
SEVERE WEATHER BULLETIN
ISSUED BY ENVIRONMENT CANADA
AT 3:24 PM EDT WEDNESDAY 22 MAY 2013.
---------------------------------------------------------------------
WATCHES/WARNINGS IN EFFECT FOR SOUTHERN ONTARIO...

SEVERE THUNDERSTORM WATCH FOR:
=NEW= ELGIN
=NEW= LONDON - MIDDLESEX
=NEW= SIMCOE - DELHI - NORFOLK
=NEW= OXFORD - BRANT
=NEW= CITY OF HAMILTON
=NEW= HALTON - PEEL
=NEW= HURON - PERTH
=NEW= WATERLOO - WELLINGTON
=NEW= DUFFERIN - INNISFIL
=NEW= SAUGEEN SHORES - KINCARDINE - SOUTHERN BRUCE COUNTY
=NEW= HANOVER - DUNDALK - SOUTHERN GREY COUNTY
=NEW= OWEN SOUND - BLUE MOUNTAINS - NORTHERN GREY COUNTY.

      SEVERE THUNDERSTORMS POSSIBLE THROUGH EARLY EVENING.

      THIS IS AN ALERT TO THE POTENTIAL DEVELOPMENT OF SEVERE
      THUNDERSTORMS WITH LARGE HAIL, DAMAGING WINDS OR HEAVY
      RAINFALL..MONITOR WEATHER CONDITIONS AND LISTEN FOR UPDATED
      BULLETINS.

---------------------------------------------------------------------
==DISCUSSION==
CONDITIONS ARE FAVOURABLE FOR THE DEVELOPMENT OF SEVERE THUNDERSTORMS
THIS AFTERNOON AND THROUGH THE EARLY EVENING HOURS.  DAMAGING WIND
GUSTS, LARGE HAIL AND BRIEF BUT TORRENTIAL DOWNPOURS WILL BE THREATS.
THERE IS ALSO A RISK OF A TORNADO.

REFER TO YOUR LOCAL PUBLIC FORECAST FOR FURTHER DETAILS.

END/OSPC

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That line in NE Indiana wants to go severe so bad. It has been very sunny the last hour here in NW Ohio so we'll see what happens. Parts of it are already showing 55 mph velocities

Definitely thinking that's the next round. Gonna have to expand southward to get most of NW OH though. 

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Definitely thinking that's the next round. Gonna have to expand southward to get most of NW OH though.  

 

 

 

It is. Hopefully those cells to south can get a little juice but again weak instability and low shear doesn't make me think highly of our chances for anything more than marble size hail and a nice gust

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under a t-storm warning now...

 

latest radar pass says the storms blown its load just a bit too soon

 

EDIT: un-warned

 

 

 

 

Very very little instability out there...impressive what we've gotten

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So a few isolated wind reports showed up.

 

It still wasn't nearly as active as a day as it was forecasted to be.

 

But thanks for the troll bump. I did enjoy my 5 minute gusty rain shower earlier.

Seeing as there's the potential to be under two severe tstorm warnings before the day is over, I would just eat my crow if I were you. 

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Seeing as there's the potential to be under two severe tstorm warnings before the day is over...

 

I don't think so...

SPECIAL WEATHER STATEMENTNATIONAL WEATHER SERVICE DETROIT/PONTIAC MI752 PM EDT WED MAY 22 2013MIZ076-083-230115-MONROE-WAYNE-752 PM EDT WED MAY 22 2013...SIGNIFICANT WEATHER ADVISORY...AT 749 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATEDSTRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 13 MILES WEST OFCANTON TO 16 MILES NORTHWEST OF DUNDEE TO 21 MILES SOUTHWEST OFDUNDEE...MOVING NORTHEAST AT 40 MPH.WINDS UP TO 50 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...BRIEFMODERATE DOWNPOURS...ARE POSSIBLE WITH THESE STORMS.* THUNDERSTORMS WILL BE NEAR...  OTTAWA LAKE BY 805 PM EDT...  PETERSBURG BY 810 PM EDT...  DUNDEE BY 815 PM EDT...  IDA AND CANTON BY 820 PM EDT...  MAYBEE AND LIVONIA BY 825 PM EDT...  MONROE AND ROMULUS BY 835 PM EDT...  TAYLOR AND FLAT ROCK BY 845 PM EDT...GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOWAROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEKSHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED.$$MANN
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I don't think so...

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
752 PM EDT WED MAY 22 2013

MIZ076-083-230115-
MONROE-WAYNE-
752 PM EDT WED MAY 22 2013

...SIGNIFICANT WEATHER ADVISORY...

AT 749 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 13 MILES WEST OF
CANTON TO 16 MILES NORTHWEST OF DUNDEE TO 21 MILES SOUTHWEST OF
DUNDEE...MOVING NORTHEAST AT 40 MPH.

WINDS UP TO 50 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...BRIEF
MODERATE DOWNPOURS...ARE POSSIBLE WITH THESE STORMS.

* THUNDERSTORMS WILL BE NEAR...
  OTTAWA LAKE BY 805 PM EDT...
  PETERSBURG BY 810 PM EDT...
  DUNDEE BY 815 PM EDT...
  IDA AND CANTON BY 820 PM EDT...
  MAYBEE AND LIVONIA BY 825 PM EDT...
  MONROE AND ROMULUS BY 835 PM EDT...
  TAYLOR AND FLAT ROCK BY 845 PM EDT...


GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW
AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK
SHELTER IN A STURDY STRUCTURE UNTIL THESE STORMS HAVE PASSED.

$$

MANN
because SWSs are never upgraded right?
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Just jerkin' your chain. I always lol at premature bust calls and I've been guilty on multiple occasions.

 

Huntington was the south end of that line. As it rolled through late this afternoon, I had to run up northeast of FWA on business. I basically stayed right with the line as it moved northeast. It looked cool and you could see it wanting to go, but just didn't have the juice, at least down here.

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