iiinova — where your digital self keeps evolving

Harold Brooks @hebrooks87.bsky.social · 20/01/2025

At 7 PM Central Time tonight (20 Jan), I'll be joining WeatherBrains to talk about the life and legacy of Chuck Doswell. It'll be live on their YouTube channel. www.youtube.com/@WeatherBrains

youtube.com

WeatherBrains

WeatherBrains is the original weather podcast; the first episode "dropped" in January 2006. We haven't missed a week since then! This is the show that unites weather geeks worldwide; we do our best t...

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Harold Brooks @hebrooks87.bsky.social · 16/01/2025

More NWS tornado warning trivia. In Oct 2003, the directive for duration changed from "should be 30 to 60 minutes" to 15 to 45 minutes. Plot shows pdf 4 years before and after official change. Early (late) 70.6% (70.6%) from 30 to 60, 66.9% (62.8%) from 15 to 45.

PDF of tornado warning duration from October 1999-Sept 2003, when directive said warnings should be from 30-60 minutes in duration, and Oct 2003-Sept 2007, when directive changed to 15-45 minutes in duration. Distributions show almost no change. Early (late) 70.6% (70.6%) from 30 to 60, 66.9% (62.8%) from 15 to 45.

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Harold Brooks @hebrooks87.bsky.social · 14/01/2025

@jimmyc42.bsky.social and I published a paper looking at NWS tornado warning performance up through 2016. doi.org/10.1175/WAF-.... Probably going to do an update after event data come in. Warnings available, so some trivia. When after the hour are warnings issued (2012-2024)?

Graph showing distribution of NWS tornado warnings by minute after the hour they're issued. More warnings issued just before 15, 30, 45, and 60.

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Harold Brooks @hebrooks87.bsky.social · 02/01/2025

Now that 2024 death toll is probably final (54), here's an update to per capita US tornado deaths. Black dots are single year, red is smoother (5-pt running mean of 3-pt median). Log-scale. Large decrease from ~1925-~1995, relatively flat before and after that. Original is now 25 years old.

Graph showing US tornado deaths per million population from 1875-2024

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Harold Brooks @hebrooks87.bsky.social · 01/01/2025

OKC ends up with 9th warmest December (mean of daily maxes and mins-1890-2024). Station moved from urban location in 1947. Dropped from 37 to 35 from 10 PM to midnight to fall from 8th to 9th. 2021 50.7 1965 48.7 1939 46.3 1946 45.6 1931 45.5 2023 45.4 1933 45.3 2015 45.3 2024 45.2 1896 45.0

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Reposted by Harold Brooks

Cameron Homeyer @atmoscientist.bsky.social · 21/11/2024

📰Breaking News : the University of Oklahoma School of Meteorology is hiring a tenure-track assistant professor in social and/or behavior sciences applied to weather and climate studies! Come work with us! apply.interfolio.com/158935

apply.interfolio.com

Apply - Interfolio {{$ctrl.$state.data.pageTitle}} - Apply - Interfolio

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Harold Brooks @hebrooks87.bsky.social · 19/11/2024

On the morning of 19 November 1930, a tornado killed 5 students and a teacher at Camel Creek Elementary in Bethany, OK. It's one of two times in Oklahoma history that deaths have happened at schools during the school day. The other was Plaza Creek Elementary in Moore on 20 May 2013.

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Harold Brooks @hebrooks87.bsky.social · 18/11/2024

Oklahoma City (Will Rogers is the official ob site) started the day with 6.89 inches of rain for the month, 4th most for any November (record begins in 1891. Top 3 years 1931 9.63 1899 7.80 1902 7.25 0.17 through 6 AM, bringing the month to 7.06. Line of heavy rain approaching the ob site.

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Harold Brooks @hebrooks87.bsky.social · 04/11/2024

Update on OKC precip for November. As of 7 AM on the 4th, Will Rogers has had 4.83 inches of rain this month, 9th most for any November back through 1891. The top 8: 1931 9.63 1899 7.80 1902 7.25 1895 5.79 1994 5.72 2004 5.66 1964 5.46 1909 5.29

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Harold Brooks @hebrooks87.bsky.social · 04/11/2024

Unofficially, at 6 PM on 3 November, Will Rogers World Airport has recorded 4.22" of rain so far this month, making it the 14th rainiest November at Oklahoma City since records began in 1890.

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Harold Brooks @hebrooks87.bsky.social · 22/10/2024

Poster at #31SLS is down now, but tried to start a discussion about developing an ethical basis for weather forecasting. Old school poster with conference attendees answering questions with sticky notes to get opinions.

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Harold Brooks @hebrooks87.bsky.social · 02/05/2024

A rose by any other name is out in final form. Fun with 3 elements of the 2x2 table. With Monte Flora and Mike Baldwin. One typo inserted by technical editor. Should a paragraph break before the last two sentences of abstract. journals.ametsoc.org/view/journal...

journals.ametsoc.org

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Harold Brooks @hebrooks87.bsky.social · 25/03/2024

Today is the 66th anniversary of the Fawbush and Miller tornado forecast for Tinker Air Force Base, often called the first tornado forecast. These are the surface weather maps ~6 hours before (small bottom left hand corner) and ~6 hours after (large map).

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