MoCoSnow Archives - Page 52 of 71

Tornado Watch Issued Until 9pm

Published August 7, 2023 at 1:37PM

A Tornado Watch has been issued for Montgomery County for Monday, August 7th, from 1:20 pm until 9:00 pm. Be alert for rapidly changing weather conditions and be prepared to take shelter if a warning is issued.

Earlier today, the Montgomery County Office of Emergency Management and Homeland Security stated, “The @NWSSPC has just upgraded our area to a level 4 out of 5 for severe weather threat. This is very rare. Please pay attention to weather watching & warnings today. Have a plan ready to quickly seek shelter in a sturdy building away from windows, if warnings are issued today. To prepare for today’s weather: Charge battery-powered devices; fuel your vehicle; secure any loose outdoor furniture; locate your flashlight; and make sure you have some basic supplies available in case you lose power for a day or two.”

Flood Watch in Effect; Severe Thunderstorms and Damaging Winds Possible Monday

By MCS Staff

Published August 6, 2023 at 5:48PM

A Flood Watch is in effect from 8PM this evening to 2AM Monday for half of MoCo and many parts of the DC region. Per the National Weather Service, “showers and thunderstorms are expected to move through the watch area with the potential to produce 1-2 inches of rainfall in a short time frame. Locally higher precipitation totals are possible.”

We are not in the clear after the flood warning expires at 2am Monday, as severe thunderstorms are likely Monday afternoon/evening with the threat of damaging winds, large hail, and a couple tornadoes, according to the National Weather Service. Earlier today, FOX 5’s Mike Thomas tweeted, “Monday’s bullseye is shifting and that’s not good. Remember that an outlook is simply looking at the atmosphere and saying “this is where something is *most likely* to happen”. It’s not a promise, but if realized, Monday does have dangerous potential.” We’ll keep an eye on how things progress for Monday. Featured photo courtesy of NOAA, photo below courtesy of the National Weather Service.

Severe Damage Caused By Saturday Afternoon Storm

By MCS Staff

Published July 29, 2023 at 5:25PM | Updated July 29, 2023 at 9:12PM

A severe thunderstorm that rolled into the late afternoon on Saturday, July 29th has caused damage in several parts of Montgomery County (a thunderstorm caused severe damage on Friday, July 28 as well). There are power outages across the county. Reminder: Treat traffic lights without a signal as four-way stops. Incidents reported and photos below:

• 12200 Braxfield Court near Academy Way, Rockville, large tree down, no injuries, tree landed in front of four-story apartment building

Excessive Heat Warning and Heat Advisory in Effect Until 8pm

By MCS Staff

Published July 29, 2023 at 7:49AM

An Excessive Heat Warning is in effect for half the county with a Heat Advisory in effect for the other half until 8pm Saturday night. The National Weather Service warns of “Dangerous heat index values of 100-110 are forecast for much of the area again today. Scattered to numerous showers and thunderstorms are expected, especially this afternoon and evening. Some storms may be severe and produce locally damaging winds.”

A “cold front” will move in tomorrow with temperatures in the mid/upper 80s and a heat index in the lower 90s, which will still feel hot, but about 15° cooler than the last couple days have felt. The upcoming week will bring temperatures in the mid 80s, which will give us a little break from the recent extreme heat.

Heat Advisory & Excessive Heat Warning Issued Until Saturday at 8pm

By MCS Staff

Published July 28, 2023 at 10:15AM

The National Weather Service has issued a Heat Advisory for Northwest Montgomery County, and an Excessive Heat Warning for Central & Southeast Montgomery County from noon through 8:00 PM on […]

Heat Index Could Reach 110° Today; Excessive Heat Warnings and Heat Advisories in Effect

By MCS Staff

Published July 28, 2023 at 7:27AM

Per the National Weather Service: “Hot and humid conditions continue today, with heat indices around 110 degrees along the I-95 corridor this afternoon. Excessive Heat Warnings and Heat Advisories are in effect. Isolated to scattered showers and thunderstorms are also possible.”

The heat and humidity continues today (Friday, July 28th) with the heat index likely at/over 105° for the entire county and at/over 110° for some. Afternoon/evening thunderstorms are possible today. Tomorrow will also be very hot and humid with afternoon thunderstorms possible as a “cold front” enters to bring temperatures in the mid to upper 80s on Sunday and into the start of the week.

Heat Advisory in Effect Until Thursday Night For DMV Area

By MCS Staff

Published July 26, 2023 at 9:12AM

A Heat Advisory is in effect from 11am Wednesday, July 26tj until until 8pm on Thursday, July 27th for the entire DMV area. Heat index values around 105 degrees are expected within this time.

Featured photo courtesy of Dronify DMV

Unhealthy Code Orange Air Forecast for Tuesday, July 18 for D.C. region

By MCS Staff

Published July 18, 2023 at 9:05AM

The Metropolitan Washington Council of Governments (COG) has forecast a Code Orange air day for the metropolitan Washington region tomorrow: Tuesday, July 18. Smoke coming from wildfires in Canada will contribute to the increased levels of fine particle pollution. The Code Orange levels mean the air is unhealthy for sensitive groups, including older adults, children, and people with heart or lung disease.

Residents can check current air quality conditions on COG’s website or the Clean Air Partners website.

Unhealthy Code Orange air forecast for July 12 for DMV

By MCS Staff

Published July 11, 2023 at 8:26PM

The Metropolitan Washington Council of Governments (COG) has forecast Code Orange air quality for sensitive groups for the metropolitan Washington region tomorrow, Wednesday, July 12, due to ground-level ozone pollution (not Canada wildfire smoke). The Code Orange levels mean the air is unhealthy for sensitive groups, including older adults, children, and people with heart or lung disease. COG advises the following health precautions:

Residents can check current air quality conditions on COG’s website or the Clean Air Partners website. On unhealthy air days, COG advises the following actions to improve the air:

Code Orange Air Forecast For July 4-6 for D.C. Region

By MCS Staff

Published July 3, 2023 at 8:52PM

The Metropolitan Washington Council of Governments (COG) has forecast Code Orange air quality for the metropolitan Washington region tomorrow: Tuesday, July 4 through Thursday, July 6. On Tuesday, Fourth of July fireworks are expected to contribute to increased levels of fine particle pollution. On Wednesday and Thursday, a different pollutant, ground-level ozone, is expected to cause the unhealthy air quality. The Code Orange levels mean the air is unhealthy for sensitive groups, including older adults, children, and people with heart or lung disease. COG advises the following health precautions:

Residents can check current air quality conditions on COG’s website or the Clean Air Partners website. On unhealthy air days, COG advises the following actions to improve the air:

Severe Thunderstorm Watch in Effect Until 10pm; “Wind & Hail Are Primary Threats Along With An Isolated Tornado”

By MCS Staff

Published July 3, 2023 at 5:15PM

A Severe Thunderstorm Watch is in effect until 10pm for all locations along & east of I-81 (including all of Montgomery County). According to the National Weather Service this afternoon, “Wind & hail are the primary threats along with an isolated tornado. Mariners on the bay & tidal Potomac beware as these storms push east over the next 2-4 hours.”

Earlier today the National Weather Service stated, “Numerous showers and thunderstorms today, with some becoming severe, mainly along and east of the Blue Ridge. Damaging winds and large hail are possible with storms today and an isolated tornado can’t be ruled out.”