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Home Return to list Dense Fog Advisory 0004 Issued by the Baltimore / Washington Forecast Office
Action: New Issued At: 2026-02-27 07:34:10 547 WWUS71 KLWX 271333 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 833 AM EST Fri Feb 27 2026 VAZ025-026-029-271600- /O.EXP.KLWX.ZF.Y.0002.000000T0000Z-260227T1400Z/ /O.NEW.KLWX.FG.Y.0004.260227T1333Z-260227T1600Z/ Augusta-Rockingham-Page- 833 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... ...FREEZING FOG ADVISORY WILL EXPIRE AT 9 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Page, Augusta, and Rockingham Counties. * WHEN...Until 11 AM EST 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. && $$ VAZ027-WVZ055-502-506-271600- /O.NEW.KLWX.FG.Y.0004.260227T1333Z-260227T1600Z/ Shenandoah-Hardy-Eastern Grant-Eastern Pendleton- 833 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Virginia, Shenandoah County. In West Virginia, Eastern Grant, Eastern Pendleton, and Hardy Counties. * WHEN...Until 11 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ003>006-WVZ052-053-271600- /O.EXT.KLWX.ZF.Y.0002.000000T0000Z-260227T1600Z/ Washington-Frederick MD-Carroll-Northern Baltimore-Berkeley- Jefferson- 833 AM EST Fri Feb 27 2026 ...FREEZING FOG ADVISORY NOW IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in freezing fog. * WHERE...In Maryland, Carroll, Frederick MD, Washington, and Northern Baltimore Counties. In West Virginia, Berkeley and Jefferson Counties. * WHEN...Until 11 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Freezing fog and any residual moisture from Thursdays rain may result in icy patches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Any road surfaces which appear wet may actually be icy. && $$ CJL Action: New Issued At: 2026-02-27 07:34:10 547 WWUS71 KLWX 271333 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 833 AM EST Fri Feb 27 2026 VAZ025-026-029-271600- /O.EXP.KLWX.ZF.Y.0002.000000T0000Z-260227T1400Z/ /O.NEW.KLWX.FG.Y.0004.260227T1333Z-260227T1600Z/ Augusta-Rockingham-Page- 833 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... ...FREEZING FOG ADVISORY WILL EXPIRE AT 9 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Page, Augusta, and Rockingham Counties. * WHEN...Until 11 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ VAZ027-WVZ055-502-506-271600- /O.NEW.KLWX.FG.Y.0004.260227T1333Z-260227T1600Z/ Shenandoah-Hardy-Eastern Grant-Eastern Pendleton- 833 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Virginia, Shenandoah County. In West Virginia, Eastern Grant, Eastern Pendleton, and Hardy Counties. * WHEN...Until 11 AM EST 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. && $$ MDZ003>006-WVZ052-053-271600- /O.EXT.KLWX.ZF.Y.0002.000000T0000Z-260227T1600Z/ Washington-Frederick MD-Carroll-Northern Baltimore-Berkeley- Jefferson- 833 AM EST Fri Feb 27 2026 ...FREEZING FOG ADVISORY NOW IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in freezing fog. * WHERE...In Maryland, Carroll, Frederick MD, Washington, and Northern Baltimore Counties. In West Virginia, Berkeley and Jefferson Counties. * WHEN...Until 11 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Freezing fog and any residual moisture from Thursdays rain may result in icy patches. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. Any road surfaces which appear wet may actually be icy. && $$ CJL Action: Continued Issued At: 2026-02-27 08:17:12 653 WWUS71 KLWX 271416 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 916 AM EST Fri Feb 27 2026 VAZ036>038-271600- /O.EXA.KLWX.FG.Y.0004.000000T0000Z-260227T1600Z/ Nelson-Albemarle-Greene- 916 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Albemarle, Greene, and Nelson Counties. * WHEN...Until 11 AM EST 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. && $$ VAZ025>027-029-WVZ055-502-506-271600- /O.CON.KLWX.FG.Y.0004.000000T0000Z-260227T1600Z/ Augusta-Rockingham-Shenandoah-Page-Hardy-Eastern Grant-Eastern Pendleton- 916 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Virginia, Page, Shenandoah, Augusta, and Rockingham Counties. In West Virginia, Eastern Grant, Eastern Pendleton, and Hardy Counties. * WHEN...Until 11 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ MDZ003>006-WVZ052-053-271600- /O.CON.KLWX.ZF.Y.0002.000000T0000Z-260227T1600Z/ Washington-Frederick MD-Carroll-Northern Baltimore-Berkeley- Jefferson- 916 AM EST Fri Feb 27 2026 ...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in freezing fog. * WHERE...In Maryland, Carroll, Frederick MD, Washington, and Northern Baltimore Counties. In West Virginia, Berkeley and Jefferson Counties. * WHEN...Until 11 AM EST 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. && $$ CJL Action: Area Extended Issued At: 2026-02-27 08:17:12 653 WWUS71 KLWX 271416 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 916 AM EST Fri Feb 27 2026 VAZ036>038-271600- /O.EXA.KLWX.FG.Y.0004.000000T0000Z-260227T1600Z/ Nelson-Albemarle-Greene- 916 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...Albemarle, Greene, and Nelson Counties. * WHEN...Until 11 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ VAZ025>027-029-WVZ055-502-506-271600- /O.CON.KLWX.FG.Y.0004.000000T0000Z-260227T1600Z/ Augusta-Rockingham-Shenandoah-Page-Hardy-Eastern Grant-Eastern Pendleton- 916 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Virginia, Page, Shenandoah, Augusta, and Rockingham Counties. In West Virginia, Eastern Grant, Eastern Pendleton, and Hardy Counties. * WHEN...Until 11 AM EST 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. && $$ MDZ003>006-WVZ052-053-271600- /O.CON.KLWX.ZF.Y.0002.000000T0000Z-260227T1600Z/ Washington-Frederick MD-Carroll-Northern Baltimore-Berkeley- Jefferson- 916 AM EST Fri Feb 27 2026 ...FREEZING FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM EST THIS MORNING... * WHAT...Visibility one quarter mile or less in freezing fog. * WHERE...In Maryland, Carroll, Frederick MD, Washington, and Northern Baltimore Counties. In West Virginia, Berkeley and Jefferson Counties. * WHEN...Until 11 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ CJL Action: Time Extended Issued At: 2026-02-27 09:33:14 437 WWUS71 KLWX 271532 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1032 AM EST Fri Feb 27 2026 MDZ003>006-WVZ052-053-271645- /O.CAN.KLWX.ZF.Y.0002.000000T0000Z-260227T1600Z/ Washington-Frederick MD-Carroll-Northern Baltimore-Berkeley- Jefferson- 1032 AM EST Fri Feb 27 2026 ...FREEZING FOG ADVISORY IS CANCELLED... The threat has ended. $$ VAZ025>027-029-036>038-WVZ055-502-506-271700- /O.EXT.KLWX.FG.Y.0004.000000T0000Z-260227T1700Z/ Augusta-Rockingham-Shenandoah-Page-Nelson-Albemarle-Greene-Hardy- Eastern Grant-Eastern Pendleton- 1032 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY NOW IN EFFECT UNTIL NOON EST TODAY... * WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Virginia, Albemarle, Greene, Nelson, Page, Shenandoah, Augusta, and Rockingham Counties. In West Virginia, Eastern Grant, Eastern Pendleton, and Hardy Counties. * WHEN...Until noon EST today. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you. && $$ CJL Action: Expired Issued At: 2026-02-27 10:46:46 122 WWUS71 KLWX 271646 NPWLWX URGENT - WEATHER MESSAGE National Weather Service Baltimore MD/Washington DC 1146 AM EST Fri Feb 27 2026 VAZ025>027-029-036>038-WVZ055-502-506-271800- /O.EXP.KLWX.FG.Y.0004.000000T0000Z-260227T1700Z/ Augusta-Rockingham-Shenandoah-Page-Nelson-Albemarle-Greene-Hardy- Eastern Grant-Eastern Pendleton- 1146 AM EST Fri Feb 27 2026 ...DENSE FOG ADVISORY WILL EXPIRE AT NOON EST TODAY... The threat has ended. $$ CJL | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||