Upper Cumberland Wx Blog for Wed., Oct. 7

Headlines

Watching Delta very closely

Impacts could begin arriving on the plateau Friday

Video At a Glance

48-Hour WX

Seven-Day Forecast

Daily Forecast Summary

Today & Tomorrow: Mostly sunny and pleasant.

Friday: Mostly cloudy, with rain developing. Becoming breezy.

Saturday: Rain & storms. Windy.

Sunday: Mostly cloudy, with scattered showers likely.

Monday & Tuesday: Partly cloudy. A front will move in later Monday that could lead to a few showers Monday evening/night. I’ll keep an eye on that.

Threats

The greatest threat facing our region is the arrival of the remnants of “Delta”. That system could bring very gusty winds, some heavy downpours, and even some isolated tornadoes. It just depends on the exact track of that storm. I’ll keep you posted.

Meteorologist Mark’s Severe Wx Concern

A stable airmass should keep us free from storms in this period.

Looking at the most current data, I have to increase my severe weather concern for our area a bit, in response to Delta passing though our area. Wind shear will be sufficient for some rotating thunderstorms that could produce an isolated tornado. I’ll keep a very close eye on this for you.

Hay Wx Forecast

You’ve got today and tomorrow to wrap up that Fall hay work for this week. You may get in much of Friday, too, but I would try to find a stopping point by noon Friday. I’ll keep an eye on that for ya, though.

On This Day in Wx History

While Seattle is notorious for having a lot of rainy days each year, they don’t normally get much rain during those days. That was not the case on this day in 1981! Four inches of rain fell on that city in just 24 hours on October 7, 1981! This remains a record for the city.

Almanac

Yesterday’s National Temperature Extremes

High: 107° at Brawley, California 

Low: 14° at Peter Sinks, Utah

Tropical Outlook

Hurricane Delta is making landfall this morning across the tip of the Yucatan Peninsula of Mexico, which includes the Cancun/Cozumel area. It’s a very rough morning for those folks. The storm will emerge into the warm waters of the southern Gulf of Mexico this afternoon, where the storm is expected to reintensify. That reintensification could be rapid and impressive.

The storm will then move toward the northern Gulf Coast. That much is certain. What is less certain is the timing. The storm may slow a bit but more than likely it will maintain a bit of speed, as it feels the influence of a cold front coming across the country that will kick it northward.

Another bit of uncertainty is just how powerful the storm will be at landfall. The current forecast calls for a very powerful hurricane in the Gulf, but weakening as it makes landfall. Still, the storm could easily be a cat 3 at landfall.

The storm will move north into our neck of the woods by Saturday, bringing us rain and wind. We may even see some tornadoes in the area from the outer bands. I’ll keep an eye on that.

Winds should begin to increase here on the plateau by Friday at sunset. Friday night and Saturday are looking very breezy!

Hurricane Delta is the most powerful Greek-lettered storm on record. Besting the previous record by a long shot. Should the storm be so destructive that the name needs to be retired, it will be recorded as Delta2020, and so there will be other Deltas. Weird, to say the least.

The storm is expected to become larger in size in the Gulf, increasing the impact area along the northern Gulf Coast. Anyone with travel plans to Louisiana, Mississippi, or the Florida Panhandle should monitor this storm very closely. At this time, it does look like much of the storm will miss the Florida Panhandle (at least the worst of it).

Pictured below is the current forecast path.

Today’s National Wx Hazards

Some unsettled weather can be found in the Northeast, where a few snowflakes can even be found. The big attention grabber, though, is Hurricane Delta, which will be emerging into the southern Gulf by this afternoon.

Tomorrow’s National Wx Hazards

A bit of a wildfire danger can be found across Montana, but all eyes are on Hurricane Delta in the Gulf of Mexico.

 8 – 14 Day Outlook

In the extended outlook, warm weather can be found at both ends of the country, with some cooler weather in the middle. Dry weather can be found most anywhere, with the exception of the Northeast, where they could use the rain. Nothing looks too extreme, though Californians are unlikely to be happy about seeing hot and dry weather in this outlook. The worst wildfire season in California’s history is likely to continue a bit longer.

Temperature

Precipitation 

Weather Shots


This was seen over the Lake Pontchartrain Causeway in New Orleans Tuesday morning. Poor Jim! (ha)

NASA Nerdology 

This week is the anniversary of when we received our first view of the moon’s far side! The USSR spacecraft Luna 3 returned 17 images of the far side during this week in 1959, prompting scientists to revise their theories about lunar evolution.

You all have a great day!

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