IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
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2025 [KLWX] BALTIMORE_MD/_WASHINGTON_DC Dense Fog (FG) Advisory (Y) Number 1
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
840 WWUS71 KLWX 062344 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 644 PM EST Thu Feb 6 2025 MDZ005-006-505-070745- /O.NEW.KLWX.FG.Y.0001.250206T2344Z-250207T0800Z/ Carroll-Northern Baltimore-Northwest Howard- 644 PM EST Thu Feb 6 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM EST FRIDAY... * WHAT...Visibility one-quarter mile or less in dense fog. * WHERE...Northwest Howard, Carroll, and Northern Baltimore Counties. * WHEN...Until 3 AM EST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ001-501-WVZ501-503-505-070745- /O.CON.KLWX.WI.Y.0005.250207T0500Z-250207T1500Z/ Garrett-Extreme Western Allegany-Western Grant-Western Mineral- Western Pendleton- 644 PM EST Thu Feb 6 2025 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST FRIDAY... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In West Virginia, Western Grant, Western Mineral, and Western Pendleton Counties. * WHEN...From midnight tonight to 10 AM EST Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ DHOF
285 WWUS71 KLWX 070036 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 736 PM EST Thu Feb 6 2025 MDZ003-004-503-507-VAZ501-505-070800- /O.EXA.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Washington-Frederick MD-Northwest Montgomery-Northwest Harford- Northern Fauquier-Western Loudoun- 736 PM EST Thu Feb 6 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM EST FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Maryland, Northwest Montgomery, Frederick MD, Washington, and Northwest Harford Counties. In Virginia, Northern Fauquier and Western Loudoun Counties. * WHEN...Until 3 AM EST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ005-006-505-070800- /O.CON.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Carroll-Northern Baltimore-Northwest Howard- 736 PM EST Thu Feb 6 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Northwest Howard, Carroll, and Northern Baltimore Counties. * WHEN...Until 3 AM EST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ001-501-WVZ501-503-505-070845- /O.CON.KLWX.WI.Y.0005.250207T0500Z-250207T1500Z/ Garrett-Extreme Western Allegany-Western Grant-Western Mineral- Western Pendleton- 736 PM EST Thu Feb 6 2025 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST FRIDAY... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In West Virginia, Western Grant, Western Mineral, and Western Pendleton Counties. * WHEN...From midnight tonight to 10 AM EST Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ DHOF
914 WWUS71 KLWX 070613 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 113 AM EST Fri Feb 7 2025 MDZ003-503-VAZ501-505-070715- /O.CAN.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Washington-Northwest Montgomery-Northern Fauquier-Western Loudoun- 113 AM EST Fri Feb 7 2025 ...DENSE FOG ADVISORY IS CANCELLED... Visibility has improved on local traffic cameras. $$ MDZ004>006-505-507-070800- /O.CON.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Frederick MD-Carroll-Northern Baltimore-Northwest Howard- Northwest Harford- 113 AM EST Fri Feb 7 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST EARLY THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Northwest Howard, Carroll, Frederick MD, Northern Baltimore, and Northwest Harford Counties. * WHEN...Until 3 AM EST early this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ001-501-WVZ501-503-505-071415- /O.CON.KLWX.WI.Y.0005.000000T0000Z-250207T1500Z/ Garrett-Extreme Western Allegany-Western Grant-Western Mineral- Western Pendleton- 113 AM EST Fri Feb 7 2025 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In West Virginia, Western Grant, Western Mineral, and Western Pendleton Counties. * WHEN...Until 10 AM EST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ BRO
320 WWUS71 KLWX 070800 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 300 AM EST Fri Feb 7 2025 MDZ004>006-505-507-070900- /O.EXP.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Frederick MD-Carroll-Northern Baltimore-Northwest Howard- Northwest Harford- 300 AM EST Fri Feb 7 2025 ...DENSE FOG ADVISORY HAS EXPIRED... Visibility has improved on local traffic cameras. Exercise caution on the roads where a few areas of patchy dense fog remain. $$ MDZ001-501-WVZ501-503-505-071500- /O.CON.KLWX.WI.Y.0005.000000T0000Z-250207T1500Z/ Garrett-Extreme Western Allegany-Western Grant-Western Mineral- Western Pendleton- 300 AM EST Fri Feb 7 2025 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In West Virginia, Western Grant, Western Mineral, and Western Pendleton Counties. * WHEN...Until 10 AM EST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ BRO
Permalink to 202502062344-KLWX-WWUS71-NPWLWX
840 WWUS71 KLWX 062344 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 644 PM EST Thu Feb 6 2025 MDZ005-006-505-070745- /O.NEW.KLWX.FG.Y.0001.250206T2344Z-250207T0800Z/ Carroll-Northern Baltimore-Northwest Howard- 644 PM EST Thu Feb 6 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM EST FRIDAY... * WHAT...Visibility one-quarter mile or less in dense fog. * WHERE...Northwest Howard, Carroll, and Northern Baltimore Counties. * WHEN...Until 3 AM EST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ001-501-WVZ501-503-505-070745- /O.CON.KLWX.WI.Y.0005.250207T0500Z-250207T1500Z/ Garrett-Extreme Western Allegany-Western Grant-Western Mineral- Western Pendleton- 644 PM EST Thu Feb 6 2025 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST FRIDAY... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In West Virginia, Western Grant, Western Mineral, and Western Pendleton Counties. * WHEN...From midnight tonight to 10 AM EST Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ DHOF
Permalink to 202502070036-KLWX-WWUS71-NPWLWX
285 WWUS71 KLWX 070036 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 736 PM EST Thu Feb 6 2025 MDZ003-004-503-507-VAZ501-505-070800- /O.EXA.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Washington-Frederick MD-Northwest Montgomery-Northwest Harford- Northern Fauquier-Western Loudoun- 736 PM EST Thu Feb 6 2025 ...DENSE FOG ADVISORY IN EFFECT UNTIL 3 AM EST FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Maryland, Northwest Montgomery, Frederick MD, Washington, and Northwest Harford Counties. In Virginia, Northern Fauquier and Western Loudoun Counties. * WHEN...Until 3 AM EST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ005-006-505-070800- /O.CON.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Carroll-Northern Baltimore-Northwest Howard- 736 PM EST Thu Feb 6 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Northwest Howard, Carroll, and Northern Baltimore Counties. * WHEN...Until 3 AM EST Friday. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ001-501-WVZ501-503-505-070845- /O.CON.KLWX.WI.Y.0005.250207T0500Z-250207T1500Z/ Garrett-Extreme Western Allegany-Western Grant-Western Mineral- Western Pendleton- 736 PM EST Thu Feb 6 2025 ...WIND ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST FRIDAY... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph expected. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In West Virginia, Western Grant, Western Mineral, and Western Pendleton Counties. * WHEN...From midnight tonight to 10 AM EST Friday. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ DHOF
Permalink to 202502070613-KLWX-WWUS71-NPWLWX
914 WWUS71 KLWX 070613 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 113 AM EST Fri Feb 7 2025 MDZ003-503-VAZ501-505-070715- /O.CAN.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Washington-Northwest Montgomery-Northern Fauquier-Western Loudoun- 113 AM EST Fri Feb 7 2025 ...DENSE FOG ADVISORY IS CANCELLED... Visibility has improved on local traffic cameras. $$ MDZ004>006-505-507-070800- /O.CON.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Frederick MD-Carroll-Northern Baltimore-Northwest Howard- Northwest Harford- 113 AM EST Fri Feb 7 2025 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 3 AM EST EARLY THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Northwest Howard, Carroll, Frederick MD, Northern Baltimore, and Northwest Harford Counties. * WHEN...Until 3 AM EST early this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ001-501-WVZ501-503-505-071415- /O.CON.KLWX.WI.Y.0005.000000T0000Z-250207T1500Z/ Garrett-Extreme Western Allegany-Western Grant-Western Mineral- Western Pendleton- 113 AM EST Fri Feb 7 2025 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In West Virginia, Western Grant, Western Mineral, and Western Pendleton Counties. * WHEN...Until 10 AM EST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ BRO
Permalink to 202502070800-KLWX-WWUS71-NPWLWX
320 WWUS71 KLWX 070800 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 300 AM EST Fri Feb 7 2025 MDZ004>006-505-507-070900- /O.EXP.KLWX.FG.Y.0001.000000T0000Z-250207T0800Z/ Frederick MD-Carroll-Northern Baltimore-Northwest Howard- Northwest Harford- 300 AM EST Fri Feb 7 2025 ...DENSE FOG ADVISORY HAS EXPIRED... Visibility has improved on local traffic cameras. Exercise caution on the roads where a few areas of patchy dense fog remain. $$ MDZ001-501-WVZ501-503-505-071500- /O.CON.KLWX.WI.Y.0005.000000T0000Z-250207T1500Z/ Garrett-Extreme Western Allegany-Western Grant-Western Mineral- Western Pendleton- 300 AM EST Fri Feb 7 2025 ...WIND ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS MORNING... * WHAT...West winds 20 to 30 mph with gusts up to 55 mph. * WHERE...In Maryland, Extreme Western Allegany and Garrett Counties. In West Virginia, Western Grant, Western Mineral, and Western Pendleton Counties. * WHEN...Until 10 AM EST this morning. * IMPACTS...Gusty winds will blow around unsecured objects. Tree limbs could be blown down and a few power outages may result. PRECAUTIONARY/PREPAREDNESS ACTIONS... Winds this strong can make driving difficult, especially for high profile vehicles. Use extra caution. Secure outdoor objects. && $$ BRO
All Storm Reports within Event Political Coverage
Storm Reports within Product Polygon
This table lists other events issued by the selected office for the selected year. Click on the row to select that event.