Additional rounds of thunderstorms are expected Thursday and Thursday night across Oklahoma and north Texas, with risks for both large hail and flash flooding. Strong winds may accompany any storms from east Texas northeast through the lower Great Lakes. Read More >
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Forecast FormatAn increase in observation and weather prediction technology has enabled the marine forecaster to add detail, in both time and space, to the open lake and nearshore forecasts. In 1975, the Open Lake Forecast only covered 24 hours while technology of the era allowed for only minimal detail by 21st century standards. A single weather synopsis was issued for both Lakes Superior and Michigan daily. Today, separate forecasts are issued for each lake. Within each forecast is a customized synopsis as well as wind, weather, and wave information out to 5 days. Great Lakes forecasts today also use increased geographical references to highlight local effects that will produce higher winds and/or waves. An example of this on Lake Superior occurs when a west to northwest wind prevails along the tip of the Keweenaw Peninsula. The funneling winds along the land mass of the Keweenaw often produces higher waves off the north shore of Manitou Island and the peninsula, an area very close to the commercial shipping lanes. This added spatial detail gives the marine community a "heads up" to weather that will likely deviate from the general conditions experienced on the majority of the lake. |
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