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Published: Monday, July 10, 2017 @ 4:46 AM
Updated: Monday, July 10, 2017 @ 11:27 PM
UPDATE @ 11:25 p.m.: Mercer and Auglaize are now under a flood advisory until 1:15 a.m.
UPDATE @ 10:30 p.m.: Auglaize and Mercer counties again are under an extended severe thunderstorm warning, until 11 p.m.
UPDATE @ 9:04 p.m.: The tornado warning for Mercer has expired. The severe thunderstorm warning continues for Auglaize, Mercer and Shelby until 9:45 p.m.
UPDATE @ 8:29 p.m.: The severe thunderstorm warning has been upgraded to a tornado warning for Mercer County until 9 p.m.
UPDATE @ 8:15 p.m.: A severe thunderstorm warning has been issued for Mercer County and will remain in effect until 9 p.m., according to the National Weather Service and Storm Center 7.
On and off storms will continue tonight and through Tuesday, some of which could be strong to severe, according to Storm Center 7 Chief Meteorologist Eric Elwell.
RELATED: Sky Witness 7
TONIGHT: Warm and muggy through the evening as temperatures hover around 80 degrees. Scattered storms develop tonight, with a few strong storms possible mainly in the first half of the night. Lows tonight will reach the lower 70s.
TUESDAY: Expect a mix of sun and clouds with a few more storms possible, some of which could be strong. Highs will be in the middle 80s and it will be breezy at times.
WEDNESDAY: Partly cloudy skies are expected with a chance for a passing shower or storm. It will be hot and humid with highs nearing 90 degrees.
THURSDAY: Expect lots of clouds with a chance for showers and storms. Highs will be in the upper 80s.
FRIDAY: Partly cloudy skies will end the week with only a slight chance for a passing shower or storm. It will not be quite as hot with highs in the middle 80s.
SATURDAY: Expect partly cloudy skies and highs in the middle 80s.
Published: Friday, March 16, 2018 @ 2:31 PM
— During the winter months you may often hear about snow, sleet and freezing rain.
Each has its own hazards, but freezing rain can create hidden dangers on the roads, more than the others. Unlike snow or sleet on pavement, freezing rain can appear wet, but is actually a sheet of ice and will leave no traction for drivers.
Freezing rain forms in the clouds just like snow, but it’s what happens after the snowflake leaves the cloud that changes everything. During a freezing rain event the air within the cloud is cold enough to produce a snowflake.
If the snowflake falls into air below the cloud that is above freezing, it will melt into a raindrop. This droplet will continue to fall as rain as long as the environment remains above 32 degrees.
Since cold air is more dense than warm air, sometimes a thin layer of subfreezing air may settle to the surface cooling the ground. If this occurs, once the droplet hits anything that is below 32 degrees it will freeze on contact. Typically, elevated objects such as trees, overpasses and power lines are the first to accumulate ice. If freezing rain continues for an extended period of time, ice may become so thick that numerous accidents and power outages may occur.
Published: Thursday, March 15, 2018 @ 6:53 AM
Updated: Friday, March 16, 2018 @ 1:27 PM
— A storm system will approach the Miami Valley just in time for St. Patrick's Day, said Storm Center 7 Meteorologist Brett Collar. Early Saturday morning the system will bring freezing rain and possible ice acccumulation.
Slick roads and icy sidewalks could be an issue beginning at 4am Saturday, and last through noon.
Prior to sunrise Saturday, freezing rain is set to move in from the west. This will become more widespread around sunrise and that’s when ice accumulation will start to become a big issue. This will continue through the morning hours but by 10am or 11am, we should start to see a transition over to rain as temperatures climb above freezing. Untreated surfaces however are likely to still be icy through lunch time.
Published: Friday, March 16, 2018 @ 12:34 AM
— WRIGHT PATTERSON AIR FORCE BASE—Sunshine will start the day across the area but it will be a cold morning, according to Storm Center 7 Chief Meteorologist Eric Elwell.
RELATED: 5-Day Forecast
Temperatures will begin in the lower 20s by climb back into the lower 40s during the afternoon. Clouds will increase tonight as a storm system approaches from the southwest.
A wintry mix of freezing rain and sleet is expected to develop after 3 or 4 Saturday morning. This will lead to icy spots and perhaps a coating of ice on elevated surfaces to begin St. Patrick’s Day. Some snow may also mix in across the far northern Miami Valley.
RELATED: County-by-County Weather
As temperatures rebound from the 20s into the lower 40s in the afternoon, mainly rain showers are expected with improving travel conditions. Skies will clear Saturday night with sunshine and milder weather to end the weekend.
Published: Thursday, February 22, 2018 @ 12:25 PM
Updated: Thursday, March 15, 2018 @ 4:17 AM
— We are now less than a week from the astronomical start to spring. On March 20 the vernal equinox will take place, transitioning us to the new season.
Keep an eye on your daily forecast by using the WHIO weather App.