DarkSky Temps | Gusts | WU KORD Data

CLICK for this month's BIG night sky ...




Cardinal SAT


Weather conditions on bar directly above are near Lakefront. Tabs under Moon Phases refer to O'Hare (official).

Archives for SPC Convective outlook are updated daily with a live map a the beginning of the article. Touch or click map to get possible update, and follow link at end of article for referral to NOAA/NWS Storm Prediction Center. Archives for Chicago's hourly weather data were updated 24-48 hours after end of each day prior to Dec. 2020.

Sunday, March 20, 2022

SPC Mar 20, 2022 2000 UTC Day 1 Convective Outlook

SPC 2000Z Day 1 Outlook Day 1 Convective Outlook NWS Storm Prediction Center Norman OK 0230 PM CDT Sun Mar 20 2022 Valid 202000Z - 211200Z ...THERE IS A MARGINAL RISK OF SEVERE THUNDERSTORMS ACROSS SOUTH FLORIDA... ...SUMMARY... Locally damaging winds and marginally severe hail will be possible during the late afternoon across south Florida. ...South FL... No changes have been made to the Marginal Risk across south FL. Isolated strong thunderstorm development remains possible late this afternoon, with a threat of locally strong wind gusts and marginal hail. See the previous discussion below for more information. ..Dean.. 03/20/2022 .PREV DISCUSSION... /ISSUED 1130 AM CDT Sun Mar 20 2022/ ...Southern Florida... A cold front will continue to settle southward across the region through afternoon and evening. Although upper heights will rise and convergence will tend to weaken the remainder of the day, a residually moist low-level air mass, ample insolation/heating, and weak boundary-layer inhibition should allow for isolated thunderstorm development during the mid/late afternoon hours, initially near the I-75 general vicinity (and south). A couple of multicellular clusters may evolve in the presence of 20-30 kt effective shear. Locally strong wind gusts and small to marginally severe hail appear to be the most likely hazards, before convection weakens after sunset over the Upper Keys/Florida Straits. Read more CHECK UPDATE ZOOM GRAPHIC