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June 22-23 Severe Weather Outbreak


Stebo

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18z NAM still hangs on to the idea of a pretty potent squall line developing from Michigan into Northern Illinois/Eastern Iowa and Northern Missouri and moving Southeast tonight.

And the 4K NAM is still insane with lots of sup's. But its also entirely wrong lol

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Mesoanalysis is showing a volatile environment in southeastern Iowa. Warmer 700mb still signaling capping, but CIN is being overcome. If storms can fire AND stay discrete, watch for a few intense supercells near/south of I-80 from SE IA into W IL late this afternoon.

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Did anyone notice the paucity of discussion in the 2000 SPC outlook.  Just a paragraph about the synoptic situation and a listing of the previous discussion.   It wasn't even signed.   Anything going on?

They do that with the 20Z update a lot actually... For some reason.

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Did anyone notice the paucity of discussion in the 2000 SPC outlook. Just a paragraph about the synoptic situation and a listing of the previous discussion. It wasn't even signed. Anything going on?

Afternoon updates tend to be short. Often just a paragraph giving a high level overview of any adjustments.
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Did anyone notice the paucity of discussion in the 2000 SPC outlook.  Just a paragraph about the synoptic situation and a listing of the previous discussion.   It wasn't even signed.   Anything going on?

 

 

That happens sometimes...not much new info with basically a copy/paste of the old discussion.

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New TOR watch.

THE NWS STORM PREDICTION CENTER HAS ISSUED A

* TORNADO WATCH FOR PORTIONS OF
SOUTHEASTERN IOWA
PARTS OF NORTHERN AND CENTRAL ILLINOIS
FAR NORTHEAST MISSOURI
ww0335_overview_big_wou.gif
* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
1100 PM CDT.

* PRIMARY THREATS INCLUDE...
A COUPLE TORNADOES POSSIBLE
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
MPH POSSIBLE
ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE

SUMMARY...THUNDERSTORMS ARE FORECAST TO INCREASE IN COVERAGE ACROSS
THE SOUTHEAST IOWA VICINITY OVER THE NEXT 1-2 HOURS...WHILE STORMS
ONGOING FARTHER EAST INTO NORTHERN ILLINOIS ALSO INTENSIFY. RISK
FOR DAMAGING WINDS AND HAIL WILL EXIST WITH THE DEVELOPING
STORMS...ALONG WITH POTENTIAL FOR A COUPLE OF TORNADOES.

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