September 28 Turning Sunny And Warm While Watching Hurricane Humberto And Imelda To Get Named
Sunday, September 28 2025
There is a traffic jam of weather off the East Coast, but a little bubble of dry and warm air will expand today. This is part one of the improvement.
The tropical weather includes Hurricane Humberto, which reached Category 5 yesterday. It is back down to Cat 4 this morning with 155 mph winds. This is not our worry, and actually will help pull the newer storm behind it.
Tropical Depression 9 is expected to be named Imelda later today over the Bahamas. All the IFs in the forecast have more confidence, and this includes NO US LANDFALL. It will stall off the coast and then turn East. High waves will still produce more beach erosion along the Carolina coast. Farther inland and here in the Mid Atlantic, we will miss it as an early Fall airmass will protect us with a big cool down.
In Case You Missed It
Hurricane Humberto was captured from the International Space Station when it was Category 5 on Saturday:
WEATHER TODAY
Surface Weather
The cold front has cleared the coast, but clouds linger across coastal Delmarva.
Humberto is a Category 4 hurricane with 155 mph winds and is still expected to track around the west side of Bermuda.
Tropical Depression 9 should get named Imelda today over the Bahamas. This will stall and be steered by:
- The cold front
- Humberto
- Cool Canadian air mass
Storm Animation: Monday to Thursday
I want to show how these two tropical systems will NOT MERGE. However, the tracks will cross over the same area of the Atlantic.
National Hurricane Center Forecasts
Hurricane Humberto
Winds are 155 mph and will gradually weaken over cooler water.
Tropical Depression 9
Expected to get named Tropical Storm Imelda today and eventually become a Category 1 Hurricane off the Southeast US coast.
This is forecast to stall and turn East under the influence of multiple factors.
Computer Model Ensemble
Higher confidence with the stall and turn away from the East Coast.
ECMWF Model Snapshots
Tuesday
Wednesday Waves
The waves are still expected to cause further beach erosion.
Thursday
High Pressure will bring a true feel of Fall along with dry air. That is the protective block for us.
Local Forecast
High Temperatures Today
CLIMATE DATA: Baltimore
Yesterday: Low 65F; High 79F
Precipitation: 0.04”
TODAY September 28
Sunrise at 7:00 AM
Sunset at 6:54 PM
Normal Low in Baltimore: 54ºF
Record 40ºF in 1989
Normal High in Baltimore: 75ºF
Record 91ºF 1886
Rainfall Deficit at BWI
- Ending 2024 = -8.00”
- Since Jan 1 = 3.47”
- We are STILL DOWN -11.47” INCLUDING LAST YEAR
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MONDAY
Morning Temperatures
Afternoon Temperatures
Wind Forecast
A breezy wind FROM the North and Northeast is a signal of what is on the way for the rest of the week.
7 Day Forecast
- Today: Turning Sunny and Warm
- WE WILL MISS THE TROPICAL WEATHER
- Cooler air will follow, inland lows in the 40s. Mountain Frost?
In Case You Missed It
I posted a report earlier about The La Niña Watch. This is expected to be brief and trend back to neutral and may result in an active and snowy winter.
Take A Look…
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RESTATING MY MESSAGE ABOUT DYSLEXIA
I am aware there are some spelling and grammar typos and occasional other glitches. I take responsibility for my mistakes and even the computer glitches I may miss. I have made a few public statements over the years, but if you are new here, you may have missed it: I have dyslexia and found out during my second year at Cornell University. It didn’t stop me from getting my meteorology degree and being the first to get the AMS CBM in the Baltimore/Washington region. One of my professors told me that I had made it that far without knowing and to not let it be a crutch going forward. That was Mark Wysocki, and he was absolutely correct! I do miss my mistakes in my own proofreading. The autocorrect spell check on my computer sometimes does an injustice to make it worse. I can also make mistakes in forecasting. No one is perfect at predicting the future. All of the maps and information are accurate. The ‘wordy’ stuff can get sticky. There has been no editor who can check my work while writing and to have it ready to send out in a newsworthy timeline. Barbara Werner is a member of the web team that helps me maintain this site. She has taken it upon herself to edit typos when she is available. That could be AFTER you read this. I accept this and perhaps proves what you read is really from me… It’s part of my charm. #FITF
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