Day 4-8 Outlook
Day 4-8 Convective Outlook NWS Storm Prediction Center Norman OK 0319 AM CDT Wed Jun 16 2021 Valid 191200Z - 241200Z ...DISCUSSION... A shortwave trough will continue eastward across the northeastern states on Saturday/D4 with a surface low over Quebec. Strong westerly winds aloft will push the surface cold front rapidly east across New England during the day, with thunderstorms likely. Predictability issues exist for Saturday/D4, as there are forecast to be morning storms which may stabilize parts of the area. In addition, timing differences exist regarding the speed of the cold front. Probabilities for severe may be added in later updates as predictability warrants. For Sunday/D5 through Monday/D6, there appears to be severe potential over parts of the northern Plains and upper MS Valley, as a large upper trough amplifies over the Plains and Great Lakes. There is significant model spread regarding this trough, thus predictability is too low to introduce severe probabilities. However, risk areas will be possible in later outlooks as models come into better alignment. The trough will have an expansive wind field aloft, and there may be a deepening surface low as well, supporting an organized severe threat. Read more LIVE: spc.noaa.gov
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Archives for the SPC Convective Outlook are updated daily (approximately) with a live map at the beginning of each article. Follow the link at the end of the article to check for current updates on the NOAA/NWS Storm Prediction Center website. Also, see Archives for Chicago's hourly weather data on CARDINAL NEWS Magazine.
CONVECTIVE | TORNADO | WIND | HAIL
O'Hare International Airport KORD
(Arlington Heights South)
Chicago Executive Airport KPWK
(Arlington Heights North)
Wednesday, June 16, 2021
SPC Jun 16, 2021 Day 4-8 Severe Weather Outlook
SUNRISE AND SUNSET TIMES IN UTC (if you're not logged in to Google)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)
CHICAGO UTC-6 during CST (Central Standard Time, e.g., winter)
CHICAGO UTC-5 during CDT (Daylight Savings Time, e.g., summer)