User:Departure–/Tornado timeline example
Example timeline of Tornado outbreak of March 31 – April 1, 2023.
March 26 - 30
[edit]March 26
[edit]8:19 UTC (3:19 AM CDT) – The Storm Prediction Center issues a 15% severe risk for March 31, citing timing uncertainties for a trough ejection.[1]
March 27
[edit]8:36 UTC (3:36 AM CDT) – Upgrade to 30% risk for March 31.[2]
March 28
[edit]8:48 UTC (3:48 AM CDT) – Forecasters expect a bimodal threat over the South and upper MS Valley.[3]
March 29
[edit]7:26 UTC (2:36 AM CDT) – Day 3 outlook outlines an enhanced risk over nearly 17 million people.[4]
March 30
[edit]17:32 UTC (12:32 PM CDT) – Upgrade to Moderate risk centered on the Memphis and Quad Cities NWS CWAs Nearly 25 million are under an Enhanced or higher risk.[5]
March 31
[edit]12:25 UTC (7:25 AM CDT) – First Day 1 outlook. Moderate risk is significantly larger. 38 million are under an Enhanced or higher risk.[6]
15:37 UTC (10:37 AM CDT) – Mesoscale Discussion 390 is issued over the Quad Cities CWA, concerning the upgrade to a tornado-driven high risk.[7]
15:44 UTC (10:44 AM CDT) – Mesoscale Discussion 391 is issued over much of Arkansas and parts of Texas, Oklahoma, and Tennessee, concerning the threat of tornadic supercells that will necessitate the issuance of a PDS tornado watch in the near future.[8]
15:47 UTC (10:47 AM CDT) – Mesoscale Discussion 392 is issued over the Memphis CWA, concerning the upgrade to a tornado-driven high risk.[9]
16:24 UTC (11:24 AM CDT) – Mesoscale Discussion 393 is issued over much of Iowa, Illinois, and Missouri, concerning the threat of tornadic supercells that will necessitate the issuance of a PDS tornado watch in the near future.Cite error: A <ref> tag is missing the closing </ref> (see the help page).
18:18 UTC (1:18 PM CDT) – Storm over Saline County, Arkansas that will produce the Little Rock tornado attains tornadic characteristics
19:18 UTC (2:18 PM CDT) – An EF3 tornado drops in the Little Rock subdivision of Martindale
unspecified – Little Rock declares a mass casualty incident as over 600 injuries are reported
19:58 UTC (2:58 PM CDT) – The Little Rock tornado lifts after impacting Parnell, Arkansas
00:00 UTC (7:00 PM CDT) – Sold-out United States Tour of Terror concert begins at the Apollo Theatre of Belvidere, Illinois
00:24 UTC (7:24 PM CDT) – Davis Junction–Belvidere EF1 drops in rural Ogle County, Illinois
00:43 UTC (7:43 PM CDT) – Davis Junction–Belvidere EF1 strikes the Apollo Theatre, collapsing the lower roof structure onto concertgoers
00:49 UTC (7:49 PM CDT) – Davis Junction–Belvidere EF1 lifts over rural Boone County, Illinois
01:58 UTC (8:58 PM CDT) – Robinson–Sullivan EF3 drops in rural Jasper County, Illinois
02:14 UTC (9:14 PM CDT) – Tornado emergency for Robinson, Illinois
02:33 UTC (10:33 PM EDT) – Robinson–Sullivan tornado lifts after striking Sullivan, Indiana
- ^ https://www.spc.noaa.gov/products/exper/day4-8/archive/2023/day4-8_20230326.html
- ^ https://www.spc.noaa.gov/products/exper/day4-8/archive/2023/day4-8_20230327.html
- ^ https://www.spc.noaa.gov/products/exper/day4-8/archive/2023/day4-8_20230328.html
- ^ https://www.spc.noaa.gov/products/outlook/archive/2023/day3otlk_20230329_0730.html
- ^ https://www.spc.noaa.gov/products/outlook/archive/2023/day2otlk_20230330_1730.html
- ^ https://www.spc.noaa.gov/products/outlook/archive/2023/day1otlk_20230331_1300.html
- ^ https://www.spc.noaa.gov/products/md/2023/md0390.html
- ^ https://www.spc.noaa.gov/products/md/2023/md0391.html
- ^ https://www.spc.noaa.gov/products/md/2023/md0392.html