Capital Weather Gang: Alerts


Posted at 07:30 PM ET, 01/22/2012

Freezing Rain Advisory into Monday morning

A Freezing Rain Advisory is in effect for the D.C. area from 4 p.m. today through 6-9 a.m. Monday morning. Freezing drizzle or light freezing rain could cause light icing, especially on untreated and/or elevated surfaces.

By Dan Stillman  |  07:30 PM ET, 01/22/2012 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 09:00 PM ET, 04/16/2011

Tornado watch issued, runs until 9 p.m.

Storms approaching from the west will arrive during the late afternoon. They may contain damaging winds or tornadoes.

By Ian Livingston and Dan Stillman  |  09:00 PM ET, 04/16/2011 |  Permalink  |  Comments ( 0)
Categories:  Alerts, Latest, Thunderstorms

Posted at 11:15 AM ET, 01/26/2011

Alert: "Dangerous" travel around rush hour

The National Weather Service has extended the Winter Storm Warning over the immediate metro area and now includes the District as well as Fairfax, Prince William, southern Fauquier, and Stafford counties in Va. and Anne Arundel and Prince George's county in Maryland. Calvert, Charles, and St. Mary's county remain under a Winter Weather Advisory. The Warning is in effect through 4 a.m. for the potential for 5-10 inches of snow. It is also warning about "dangerous" travel conditions developing around 4 p.m. with snowfall rates of 2 inches per hour.

By Jason Samenow  |  11:15 AM ET, 01/26/2011 |  Permalink  |  Comments ( 0)
Categories:  Alerts, Alerts

Posted at 04:15 AM ET, 01/26/2011

Winter storm warning issued for N & W suburbs

The National Weather Service has issued a Winter Storm Warning for Montgomery, Howard, and Frederick counties in Maryland and Loudoun and northern Fauquier counties in Virginia from 7 a.m. this morning through 4 a.m. Thursday morning. It is forecasting 4-8 of snow in this area with the possibility of greater amounts in the higher terrain. For the District and points south and east, the NWS has issued a Winter Weather Advisory from 10 a.m. this morning through 4 a.m. Thursday morning.

By Jason Samenow  |  04:15 AM ET, 01/26/2011 |  Permalink  |  Comments ( 0)
Categories:  Alerts, Alerts

Posted at 09:55 PM ET, 01/10/2011

Winter Weather Advisory up for D.C. & vicinity

The entire region is now under a Winter Weather Advisory effective 4 p.m. Tuesday to 6 a.m. Wednesday.

By Dan Stillman  |  09:55 PM ET, 01/10/2011 |  Permalink  |  Comments ( 0)
Categories:  Alerts, Alerts, Alerts

Posted at 09:50 AM ET, 12/01/2010

Tornado watch until 10 a.m. for metro region

The National Weather Service's Storm Prediction Center (SPC) has issued a tornado watch until 10 a.m. for the entire metro region. Specifically, the watch includes: DISTRICT OF COLUMBIA CENTRAL AND SOUTHERN MARYLAND NORTHERN VIRGINIA FAR EASTERN WEST VIRGINIA COASTAL WATERS

By Dan Stillman and Jason Samenow  |  09:50 AM ET, 12/01/2010 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 11:15 PM ET, 10/26/2010

Tornado watch until 3 a.m. for metro region

The metro region is included in a large tornado watch spanning parts of six states. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE...

By Jason Samenow  |  11:15 PM ET, 10/26/2010 |  Permalink  |  Comments ( 0)
Categories:  Alerts, Alerts

Posted at 12:04 PM ET, 09/27/2010

Tornado warning for Howard Co. until 12:45 p.m.

TORNADO WARNING FOR CENTRAL HOWARD COUNTY IN CENTRAL MARYLAND UNTIL 1245 PM EDT

By Jason Samenow  |  12:04 PM ET, 09/27/2010 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 01:05 PM ET, 06/24/2010

Severe Thunderstorm Watch into evening

The National Weather Service has issued a Severe Thunderstorm Watch for the D.C. metro area until 8 p.m. This is not unexpected, as an approaching cold front has combined with high heat and humidity to create an unstable atmosphere. From NWS... HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

By Capital Weather Gang  |  01:05 PM ET, 06/24/2010 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 10:05 AM ET, 02/25/2010

High Wind Watch tonight through Friday afternoon

Not surprisingly considering the strong winds expected, the National Weather Service has issued a High Wind Watch for the entire metro area this evening through tomorrow afternoon.

By Capital Weather Gang  |  10:05 AM ET, 02/25/2010 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 09:31 AM ET, 02/10/2010

Weather Service: Don't drive in this...

Wind gusts around 40 mph common * Latest update: Blizzard Warning for entire region * Special Statement from National Weather Service.... ...EXTREMELY DANGEROUS WINTER WEATHER CONDITIONS THIS MORNING FOR THE BALTIMORE-WASHINGTON REGION...THE EASTERN PANHANDLE OF WEST VIRGINIA... DO NOT ATTEMPT TO DRIVE THIS MORNING AND EARLY AFTERNOON. LIFE THREATENING BLIZZARD...

By Jason Samenow  |  09:31 AM ET, 02/10/2010 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 11:16 AM ET, 02/08/2010

Alert: Serious snow/wind a risk late Tues into Wed

Blizzard conditions may return, especially N & E * Our Full Forecast thru weekend | Snowmageddon's incredible output * * Winter Storm Watch Tues.-Wed. for most of metro area (map) * * Watch out for ice dams |Measuring Snowmageddon's depth * * Power outage maps for Dominion Electric | Pepco...

By Jason Samenow  |  11:16 AM ET, 02/08/2010 |  Permalink  |  Comments ( 0)
Categories:  Alerts, Alerts

Posted at 09:19 AM ET, 12/19/2009

Alert: Blizzard Warning for immediate metro area

*** Latest forecast, storm information, and commentary *** From the National Weather Service (warning map): THE NATIONAL WEATHER SERVICE IN STERLING VIRGINIA HAS ISSUED A BLIZZARD WARNING ... WHICH IS IN EFFECT UNTIL 6 PM EST THIS EVENING. THE WINTER STORM WARNING IS NOW IN EFFECT FROM 6 PM THIS...

By Jason Samenow  |  09:19 AM ET, 12/19/2009 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 11:00 PM ET, 12/16/2009

Alert: Weekend snow threat growing

The latest model runs are converging on a snowy scenario for the weekend. A revised Snow Lover's Crystal Ball, with updated accumulation possibilities, along with our latest full forecast into next week will be posted early in the morning, Significant accumulations are a possibility...but this is not a done deal....

By Jason Samenow  |  11:00 PM ET, 12/16/2009 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 03:00 PM ET, 08/21/2009

Strong to Severe Storms Moving Through

Heavy rain and some damaging winds main threats * Full Forecast | NatCast | Outside Now? Radar & More: Weather Wall * * Big Waves Threaten Nearby Beaches | Hurricane Tracking Center * A line of strong thunderstorms that moved through the western suburbs, and now stretches mainly from the...

By Ian Livingston  |  03:00 PM ET, 08/21/2009 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 02:25 PM ET, 07/26/2009

Severe Thunderstorm Watch Issued Into Evening

* Full Forecast | Outside Now? Radar, Temps & More: Weather Wall * The National Weather Service has issued a Severe Thunderstorm Watch, in effect until 9 p.m. Shower and thunderstorm activity developing off to the west is likely to increase in coverage and spread into the D.C. metro area...

By Dan Stillman  |  02:25 PM ET, 07/26/2009 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 06:06 AM ET, 06/09/2009

Early Morning Severe Storms Rocking Area

* Get There: Severe T-Storms Cause Road Flooding, Downed Trees * An intense line of storms is roaring through the metro area. These storms have dangerous lightning, VERY loud thunder, torrential rain and strong, gusty winds. Some hail is possible as well. The storms should be through Fairfax County by...

By Jason Samenow  |  06:06 AM ET, 06/09/2009 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 10:40 AM ET, 06/05/2009

Alert: Flood Warning for Much of Metro Area

* Flood Watch Through Afternoon | Full Forecast | Traffic | NatCast * * Outside Right Now? See Radar, Temps & More: Weather Wall * Courtesy National Weather Service. The National Weather Service has issued a Flood Warning until 3:45 p.m. for D.C., Montgomery County, Arlington County, Fairfax County, the...

By Capital Weather Gang  |  10:40 AM ET, 06/05/2009 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 06:41 AM ET, 03/02/2009

Alert: Very Heavy Snow Next 1-2 Hours

A band of extremely heavy snow has developed over much of the Washington, D.C. area. Snowfall rates will be 1-2" an hour through 8:30 a.m. or so. The heavy snow combined with winds of 15-25 mph will create visibilities near zero at times. Do not travel unless absolutely necessary. For...

By Jason Samenow  |  06:41 AM ET, 03/02/2009 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 09:30 AM ET, 02/04/2009

Light Snow Develops Over Parts of Area

* Winter Weather Advisory until 10 AM | School Delays | Full Forecast * UPDATE 9:30 a.m.: Snow has mostly ended except south and east of town. But note this statement from the National Weather Service: SNOW IS EXPECTED TO TAPER OFF GRADUALLY THIS MORNING. ALTHOUGH ROADS ARE NOT SNOW-COVERED...AS...

By Camden Walker  |  09:30 AM ET, 02/04/2009 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 03:30 PM ET, 08/02/2008

Alert: Severe Thunderstorm Watch Until 8 P.M.

If it's Saturday it must mean a chance of storms, right? The National Weather Service has issued a Severe Thunderstorm Watch until 8 p.m. for the metro area. Storms that develop may be capable of producing dangerous lightning, large hail and wind gusts to 70 mph. Chances look to be...

By Dan Stillman  |  03:30 PM ET, 08/02/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 12:30 AM ET, 06/30/2008

Alert: Severe Thunderstorm Watch Until 2 A.M.

12:30 a.m. update: The Severe Thunderstorm Watch has been extended until 2 a.m. While no warnings are currently in effect, one thunderstorm is impacting northwest Montgomery County and another storm (in Culpeper and Rappahannock County) now heading into Fauquier County could affect the immediate metro area between 1:00 and 2:00...

By Capital Weather Gang  |  12:30 AM ET, 06/30/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 01:00 PM ET, 06/27/2008

Alert: Severe Thunderstorm Watch Until 8 P.M.

As temperatures climb through the low 90s this early afternoon, and the heat index into the mid 90s, the National Weather Service has issued a Severe Thunderstorm Watch for the metro area, in effect until 8 p.m. NWS says: HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND...

By Capital Weather Gang  |  01:00 PM ET, 06/27/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 04:30 PM ET, 06/22/2008

Alert: Severe Thunderstorm Watch Issued

4:30 p.m. update: Lines of storms have developed to the west and southwest. These may affect the metro area, especially after about 5:30 p.m. The Storm Prediction Center (SPC) has issued a Severe Thunderstorm Watch for the metro area until 8:00 p.m. tonight. According to SPC: HAIL TO 2 INCHES...

By Jason Samenow  |  04:30 PM ET, 06/22/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 07:54 PM ET, 06/04/2008

Alert: Another Round of Severe Storms

*Tornado Watch remains in effect until 1 a.m.* Another line of severe thunderstorms is approaching the metro area from the west. Tornado Warnings are in effect for the southern portion of these storms, including Prince William and Stafford counties in Virginia, and parts of Prince Georges, Charles and St Mary's...

By Jamie Jones  |  07:54 PM ET, 06/04/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 12:50 PM ET, 06/04/2008

Tornado Watch Issued; Storms Approach

ALERTS 2:15 PM: A line of thunderstorms with frequent lightning is moving into the far western suburbs, now approaching western Frederick, Loudoun and Fauquier counties. This batch will move through the metro area from west to east over the next couple hours. A Tornado Watch is in effect until 8...

By Capital Weather Gang  |  12:50 PM ET, 06/04/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 09:43 PM ET, 05/10/2008

Alert: Flood Watch for Sunday Night

The Watch is in effect from Sunday night to Monday afternoon. From the National Weather Service: THE HEAVIEST RAIN WILL OCCUR SUNDAY NIGHT ... AND END FROM SOUTHWEST TO NORTHEAST MONDAY AFTERNOON. TWO TO THREE INCHES OF RAIN WILL FALL ON TOP OF WET SOIL....

By Jason Samenow  |  09:43 PM ET, 05/10/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts, Alerts

Posted at 06:59 PM ET, 02/12/2008

Alert: Advisory Upgraded to Ice Storm Warning

Warning in effect area-wide until 7am Wednesday morning From the National Weather Service: "AN ICE STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF ICE ACCUMULATIONS WILL MAKE TRAVEL EXTREMELY DANGEROUS. TRAVEL IS STRONGLY DISCOURAGED. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT ... FOOD ......

By Jason Samenow  |  06:59 PM ET, 02/12/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 03:21 PM ET, 01/21/2008

Alert: Winter Weather Advisory for Tuesday

The National Weather Service has issued a Winter Weather Advisory for the entire Metro Area for 10 a.m. to 4 p.m. on Tuesday: A COLD FRONT WILL APPROACH THE REGION TUESDAY AFTERNOON. IN ADVANCE OF THE FRONT...LIGHT SNOW AND SLEET WILL OVERSPREAD THE AREA TUESDAY MID-MORNING. SNOW WILL MIX FREEZING...

By Matt Ross  |  03:21 PM ET, 01/21/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 07:30 PM ET, 01/16/2008

Alert: Snow Confidence Increasing

The latest data I'm analyzing has increased my confidence in the likelihood of accumulating snow tomorrow (65%). The storm radar appears impressive (notice the precipitation coverage to the southwest) and snow has been reported as far south as Atlanta. The details given in Steve's earlier post on timing and impact...

By Jason Samenow  |  07:30 PM ET, 01/16/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 03:10 PM ET, 01/16/2008

Alert: Winter Weather Advisory Tomorrow

The National Weather Service has issued a Winter Weather Advisory for the District and points north and west from 7 a.m. Thursday to midnight Thursday night. According to NWS ... PRECIPITATION IS EXPECTED TO BEGIN AS SNOW THURSDAY MORNING ACCUMULATING AROUND AN INCH AROUND THE INTERSTATE 95 CORRIDOR WITH AS...

By Dan Stillman  |  03:10 PM ET, 01/16/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 11:15 PM ET, 01/12/2008

Alert: Sunday PM Storm Mainly Rain

The details for tomorrow's storm are finally crystallizing, but snow crystals aren't a big part of the equation, unless you happen to be a mile high in the atmosphere. Down at ground level, temperatures are going to be too warm for snow until the storm is pulling away and starting...

By Jason Samenow  |  11:15 PM ET, 01/12/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts, Alerts

Posted at 12:00 PM ET, 01/12/2008

Alert: On the Edge of Sunday Night Storm

Probability of accumulating snow pretty low Indications are strong that a major storm will impact New Jersey to New England with some significant snows, especially the further north you go Sunday night. But once you get south of Jersey, precipitation amounts will likely decrease from northeast to southwest through the...

By Jason Samenow  |  12:00 PM ET, 01/12/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 10:50 PM ET, 01/11/2008

Alert: Sunday Night Storm Odds Increasing

New information I'm analyzing suggests an increased risk of significant precipitation starting Sunday afternoon and especially Sunday night. The exact location of rain/snow line -- likely to be somewhere between the Chesapeake Bay and mountains -- is so uncertain, that it's too early to confidently say whether the metro area...

By Jason Samenow  |  10:50 PM ET, 01/11/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts

Posted at 01:40 PM ET, 01/10/2008

Alert: Higher Sunday/Monday Storm Threat

Some new computer model guidance suggests that a coastal storm will track close enough to land to produce significant rain and/or snow over the metro area late Sunday into Monday. While details still remain foggy, we'll keep you updated as a clearer picture begins to emerge over the coming hours...

By Ian Livingston  |  01:40 PM ET, 01/10/2008 |  Permalink  |  Comments ( 0)
Categories:  Alerts