What in the Weather?  By  cover art

What in the Weather?

By: Dan Fillius; Justin Glisan
  • Summary

  • This one's for you if you want to understand weather better! Join Dan Fillius, Iowa State University Extension Horticulture Field Specialist, and Dr. Justin Glisan, Iowa’s State Climatologist, as they discuss what is happening in the world of Iowa weather. Every week during the main growing season we'll discuss recent weather, its impacts on fruits and vegetables, and provide a climate outlook for the coming week in Iowa. Let us know what you think, though as Mark Twain once said, "If you don't like the weather, wait a few minutes."
    2023
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Episodes
  • 7/3/24 - Slightly cooler than average temps, more rain coming
    Jul 3 2024
    1. Weather recap:
      • Recent severe weather events, including tornado warnings and heavy precipitation in parts of Iowa
      • Flooding has been an issue in northern, northwest, and parts of southern Iowa
    2. Weather forecast:
      • Temperatures are expected to moderate back to normal or slightly below average in the coming week
        • The weekend looks pleasant
        • Cooler nights expected
      • Widespread rainfall is forecast for the 4th of July, with 1.5-2 inches expected in northern Iowa and 0.25-1.25 inches in southern Iowa
      • Rain chances returning Sunday night into Monday
    3. Climate outlook:
      • The 6-10 day outlook shows a cool signal for the entire state and a slight dry signal for precipitation
      • The July outlook has shifted to elevated wetness, especially in northeast Iowa
    4. Fourth of July weather:
      • Chances of showers and thunderstorms are expected, which is typical for the holiday
      • Fireworks may contribute to hazy and foggy conditions on July 5th, especially given the current wet conditions and high dew points
    5. Agricultural updates:
      • Garlic harvest is underway
      • Black rot affecting cabbage family crops due to wet conditions
      • Pepper leaf spot issues observed
      • Earwig pressure in cabbage, strawberries
      • Sweet corn harvest beginning, with challenges due to wet fields and early corn earworm presence
        • Early arrival of corn earworm is causing challenges for sweet corn growers, especially with difficulty in applying pesticides due to wet conditions.
    6. Farm recovery:
      • Update on Sweet Season Farm rebuilding after losing tunnels to wind damage
    7. Cultivation techniques:
      • Discussion of stale bedding and using a field cultivator instead of a rototiller for better soil and weed management in wet conditions
    8. Pest control
      • Advice on fencing corn fields to protect against raccoons
    9. Hurricane Beryl - Mentioned as the earliest Category 4 (or possibly 5) hurricane on record, highlighting concerns about warm sea surface temperatures

    Podcast summary generated using claude.ai and perplexity.ai

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    34 mins
  • 6/27/24 - 1-3" of rain predicted; Temps cooler, but above average
    Jun 27 2024

    This podcast highlights the challenges farmers are facing due to recent severe weather events and provides updates on crop progress and pest issues.

    Recent severe weather events:

    • Significant flooding in Northwest and North Central Iowa, with some areas receiving 7-13 inches of rain over 72 hours
    • Record-breaking river crests on the Big Sioux, Little Sioux, and West Fork of the Des Moines River, surpassing 1993 levels.
    • Multiple funnel cloud sightings and weak tornadoes across the state.
      • Explanation of funnel cloud formation due to strong updrafts and horizontal spin from outflow boundaries
    • Extreme heat, with very high overnight temperatures in the 80s overnight in some areas.

    Historical weather event:

    • On June 27, 1953, an F5 tornado struck Cass and Adair counties, killing one person and injuring two others

    The weather forecast includes:

      • Chances of showers and thunderstorms in the coming days.
      • A shift towards more moderate temperatures, with highs in the mid-80s and lows in the mid-60s expected for Central Iowa, though still above average.
      • Continued elevated probability of wetter conditions.

    Climate forecast:

    • Temperatures trending towards normal for early July
    • Elevated chances of wetter conditions in the 6-10 and 8-14 day outlooks

    Crop updates:

      • Some farmers experienced hail damage to tomatoes, peppers, and sweet corn.
      • The first sweet corn of the season was harvested on June 24th using special early-season growing techniques.
      • Japanese beetles are causing issues for some crops, particularly sweet corn.
      • Corn earworms and squash vine borers are also active.

    Podcast summary created using Claude.ai and Perplexity.ai

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    32 mins
  • 6/21/24 - Warm temps and 1-2"+ rain in T-storms
    Jun 21 2024

    •Historical weather note:

    • Unusually cool weather and frost reported in parts of Iowa on June 21-22, 1902.

    • Recent weather highlights:

    • Southeast Iowa has been experiencing dryness, reflected in the drought monitor.
    • Northern Iowa has received about 2 inches of rain in the last two weeks.
    • High wind events caused damage to greenhouses and tunnels in northeastern Iowa.

    • Weather forecast:

    • Unsettled pattern with chances of showers and thunderstorms.
    • Temperatures in the 90s expected early next week.
    • Northern Iowa may see 3-5 inches of rain in the next 36 hours.
    • At least an inch of rain expected statewide.

    • Recent weather events:

    • Dryness in southeastern Iowa
    • High wind events in northeastern Iowa damaging farm structures
    • Large hail in western Iowa

    • Climate outlook:

    • Warmer than average temperatures predicted for the next 6-14 days and through September.
    • Mixed precipitation signals: wetter in short-term
    • July may end up being downgraded to "equal chances"

    • Crop and pest updates:

    • Japanese beetles are starting to appear.
    • Powdery mildew affecting peas.
    • Black raspberries are highly productive this year.
    • Strawberry season is ending; time for field renovation.
    • Downy mildew affecting some sunflowers
    • Leaf hoppers causing damage to various crops
    • Sweet corn expected around second week of July for many growers
    • Garlic scapes affected by anthracnose
    • Imported cabbage worm moths and damage observed on brassicas.
    • Sap beetles seen in peonies and Napa cabbage.

    • Irrigation systems are being set up due to drier conditions and warmer forecasts.

    Summary created using Claude.ai and Perplexity.ai

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    31 mins

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