Strong and deepening surface low pressure crossing the Middle Mississippi River Valley early on the 12th, was preceded by a 50-knot low level jet stream amid the system's strong gradient across central Indiana. Where this jet stream's gradient winds were mixed down to the surface, mainly 40-50 mph gusts were observed.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS IND wrote it up.
Strong and deepening surface low pressure crossing the Middle Mississippi River Valley early on the 12th, was preceded by a 50-knot low level jet stream amid the system's strong gradient across central Indiana. Where this jet stream's gradient winds were mixed down to the surface, mainly 40-50 mph gusts were observed. A lone report of severe gradient winds occurred in Shelbyville around sunrise.
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Indianapolis, IN wrote its last area forecast discussion before the first event at Jan 12, 6:00 AM EST, 2 hours 7 minutes earlier.
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</html>Hazardous Weather Outlook National Weather Service Indianapolis IN 340 AM EST Fri Jan 12 2024 INZ021-028>031-035>049-051>057-060>065-067>072-130845- Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery- Boone-Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke- Putnam-Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan- Johnson-Shelby-Rush-Sullivan-Greene-Monroe-Brown-Bartholomew- Decatur-Knox-Daviess-Martin-Lawrence-Jackson-Jennings- 340 AM EST Fri Jan 12 2024 This Hazardous Weather Outlook is for Central Indiana. .DAY ONE...Today and Tonight. A WIND ADVISORY is in effect from 1000 AM until 400 PM. Wind gusts of 40-45 mph will be possible today. Even higher gusts to near 55 mph will be possible this evening. Light snow showers are possible Friday night into early Saturday, with accumulations near 1 inch possible. Snow combining with gusty winds may result in reduced visibility. Slick spots may develop on roads. DISCUSSION... .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Wind gusts to around 40 mph will be possible on Saturday morning. A prolonged period of frigid temperatures are expected Saturday night into next week. Air temperatures will fall to below zero for parts of the area Sunday night and Monday night. Wind chills may approach 20 below zero for parts of the area by Tuesday morning. The bitterly cold temperatures will raise concerns for ice jams along area rivers and streams from late this weekend into next week. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report any measured wind gusts today and tonight. && This product in graphical format...along with other weather... hydrological and climate information...at: http://www.weather.gov/erh/ghwo?wfo=ind http://www.weather.gov/ind WFO IND
The national radar mosaic for the moment the first event began.
1 high wind. Local standard time, as filed.
Measured at Shelbyville Municipal Airport ASOS.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2024Every state in 2024This day in weather historyWarnings in Indiana, January 2024
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1154602.