Alert archive / Maryland / River Flood Warnings in 2018
River Flood Warning 67, NWS Baltimore/Washington
NWS Baltimore/Washington issued this river flood warning at Aug 3, 2018, 12:12 AM EDT for Allegany County, Maryland. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Aug 3, 2018, 12:12 AM EDT (04:12 UTC)
- Expired
- Aug 3, 2018, 3:10 AM EDT
- In force
- 3 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Flood severity
- Minor
County Allegany County, MD
The radar
The Sterling radar (KLWX), 127 km from the middle of the area, began a volume at 04:13 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The river
Written for the forecast point Georges Creek near Franklin/Westernport (WSTM2). The gauge peaked at 8.45 ft at Aug 3, 2018, 12:00 AM EDT.
- Action stage
- 7 ft
- Minor stage
- 9.1 ft
- Moderate stage
- 11.1 ft
- Major stage
- 13.1 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01599000, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
What forecasters said that day
The local office's own words before this river flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Baltimore/Washington wrote its last area forecast discussion before this river flood warning went out at Aug 2, 9:38 PM EDT, 2 hours 34 minutes earlier.
Area forecast discussion, Aug 2, 9:38 PM EDT, 2 hours 34 minutes before
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</html>Hazardous weather outlook, Aug 2, 5:11 AM EDT, 19 hours 1 minute before
Hazardous Weather Outlook National Weather Service Baltimore MD/Washington DC 511 AM EDT Thu Aug 2 2018 ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-030915- Chesapeake Bay north of Pooles Island MD- Chesapeake Bay from Pooles Island to Sandy Point MD- Chesapeake Bay from Sandy Point to North Beach MD- Chesapeake Bay from North Beach to Drum Point MD- Chesapeake Bay from Drum Point MD to Smith Point VA- Tidal Potomac from Key Bridge to Indian Head MD- Tidal Potomac from Indian Head to Cobb Island MD- Tidal Potomac from Cobb Island MD to Smith Point VA- Patapsco River including Baltimore Harbor- Chester River to Queenstown MD-Eastern Bay- Choptank River to Cambridge MD and the Little Choptank River- Patuxent River to Broomes Island MD- Tangier Sound and the inland waters surrounding Bloodsworth Island-District of Columbia-Southern Baltimore-Prince Georges- Anne Arundel-Charles-St. Marys-Calvert-Southeast Harford- Prince William/Manassas/Manassas Park-Fairfax- Arlington/Falls Church/Alexandria-Stafford-Spotsylvania- King George- 511 AM EDT Thu Aug 2 2018 This Hazardous Weather Outlook is for the Maryland portion of the Chesapeake Bay, Tidal Potomac River, and adjacent counties in central Maryland and northern Virginia as well as the District of Columbia. .DAY ONE...Today and Tonight and Tonight A Flash Flood Watch is in effect for the I-95 corridor north of Fredericksburg. Isolated instances of flooding are also possible outside the watch area near Fredericksburg to southern Maryland. Thunderstorms may produce locally damaging wind gusts. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Showers and thunderstorms may result in locally damaging wind gusts and flooding again on Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon and evening. MDZ003>006-501>507-VAZ025>031-036>040-050-051-501>508-WVZ050>053- 055-501>506-030915- Washington-Frederick MD-Carroll-Northern Baltimore- Extreme Western Allegany-Central and Eastern Allegany- Northwest Montgomery-Central and Southeast Montgomery- Northwest Howard-Central and Southeast Howard-Northwest Harford- Augusta-Rockingham-Shenandoah-Frederick VA-Page-Warren-Clarke- Nelson-Albemarle-Greene-Madison-Rappahannock-Orange-Culpeper- Northern Fauquier-Southern Fauquier-Western Highland- Eastern Highland-Western Loudoun-Eastern Loudoun- Northern Virginia Blue Ridge-Central Virginia Blue Ridge- Hampshire-Morgan-Berkeley-Jefferson-Hardy-Western Grant- Eastern Grant-Western Mineral-Eastern Mineral-Western Pendleton- Eastern Pendleton- 511 AM EDT Thu Aug 2 2018 This Hazardous Weather Outlook is for eastern West Virginia, northern and central Virginia, and central and western Maryland with the exception of Garrett County. .DAY ONE...Today and Tonight and Tonight A Flash Flood Watch is in effect today and tonight. Thunderstorms may produce locally damaging wind gusts. .DAYS TWO THROUGH SEVEN...Friday through Wednesday Showers and thunderstorms may result in locally damaging wind gusts and flooding again on Friday. .SPOTTER INFORMATION STATEMENT... Spotter activation may be needed this afternoon and evening.
In the hours before
Local storm report, Aug 2, 10:03 PM EDT, 2 hours 9 minutes before
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</html>Local storm report, Aug 2, 10:04 PM EDT, 2 hours 8 minutes before
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</html>Local storm report, Aug 2, 11:06 PM EDT, 1 hour 6 minutes before
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</html>Local storm report, Aug 2, 11:09 PM EDT, 1 hour 3 minutes before
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</html>Local storm report, Aug 3, 12:01 AM EDT, 11 minutes before
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</html>Local storm report, Aug 3, 12:02 AM EDT, 10 minutes before
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</html>The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 10:28 PM EDT | Areal Flood Warning | LWX | Prince William | 7 hr |
| Aug 3, 1:10 AM EDT | Small Craft Advisory | LWX | 32 hr | |
| Aug 3, 5:35 PM EDT | Areal Flood Warning | LWX | Albemarle, Greene, Madison, Nelson | 11 hr |
| Aug 3, 6:13 PM EDT | Flash Flood Warning | LWX | Albemarle, Greene | 2 hr |
| Aug 3, 6:56 PM EDT | Areal Flood Warning | LWX | Culpeper, Greene, Madison, Orange, Rappahannock | 16 hr |
| Aug 3, 7:23 PM EDT | Flash Flood Warning | LWX | Madison | 4 hr |
| Aug 3, 7:55 PM EDT | Flash Flood Warning | LWX | Culpeper, Rappahannock | 3 hr |
| Aug 2, 10:05 PM EDT | Areal Flood Warning | LWX | Allegany | 6 hr |
| Aug 2, 10:32 PM EDT | Flash Flood Warning | LWX | Allegany | 3 hr |
| Aug 2, 11:44 PM EDT | Areal Flood Warning | LWX | Prince George's | 6 hr |
| Aug 3, 12:25 AM EDT | River Flood Warning | LWX | Allegany | 3 hr |
| Aug 3, 7:28 PM EDT | Areal Flood Warning | LWX | Carroll, Howard, Montgomery | 3 hr |
Nearby
River Flood Warnings in Maryland, 2018Every river flood warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.