Outline
Weather forecasting and climate change with an agricultural climatology extension specialist.
- Madelynn Wuestenberg shares her educational background and career passion in agricultural meteorology.
- Justin Glisan discusses Iowa weather history and forecast, mentioning late-season snowstorms and active storm track.
Weather forecasting and its impact on crops.
- Cold temperatures forecasted for Northern Iowa, potentially impacting crop growth.
- Glisan and Dan discuss how wet soils can moderate temperature extremes
- Justin explains how wet soils can lead to a rebound or adjustment in temperature forecasts
- Dan Fillius provides updates on cold-sensitive crops like tomatoes, onions, and asparagus.
- Asparagus harvest is estimated to be a week ahead of schedule.
Iowa precipitation and drought, with focus on Waterloo.
- Justin Glisan notes varied rainfall across Iowa, with some areas receiving over 2 inches and others less than expected.
- Justin Glisan highlights the complex balancing act between short-term precipitation improvements and long-term drought deficits in Iowa.
- Glisan notes that areas with 300-500% of normal precipitation in the past week may be key to holding off drought expansion and intensification.
- Dan Fillius and guests discuss severe weather in Iowa, including tornadoes and hail.
- Guests share their experiences with severe weather, including a grower in Dallas center who had a horse barn turned over by a tornado.
- Glisan and Dan discuss the timing of planting sweet corn, with planting too early can lead to frost damage.
- Dan explains that inducing frost damage through flame weeding can delay sweet corn harvest by 7-10 days in organic production.
Seasonal outlook transitioning from El Nino to La Nina, potential impacts on US weather.
- Meteorologists discuss seasonal outlook as El Niño transitions to La Niña.
- Justin Glisan explains how El Niño and La Niña impact US weather patterns.
- Warm signal in summer may be seen more in warmer lows, causing temperature stress for plants.
- the relationship between cotton and corn belts during El Niño events.
- Glisan and Dan discuss drought and its effects on crops, with Glisan mentioning a 1993-like event as one potential solution, but one that would have negative consequences.
- Madelynn Wuestenberg and Dan Fillius discuss the impact of warm nights on plant growth, particularly for fruiting crops like tomatoes and peppers.
- Growers can select for tomato varieties bred for hot climates, such as Hot Set tomatoes, to reduce flower abortion at high temperatures.
