Alert archive / Maryland / River Flood Warnings in 2018
River Flood Warning 72, NWS Baltimore/Washington
NWS Baltimore/Washington issued this river flood warning at Aug 4, 2018, 11:14 AM EDT for Frederick County, Maryland. It was in force for 16 hr.
The area
The counties it named.
The facts
- Issued
- Aug 4, 2018, 11:14 AM EDT (15:14 UTC)
- Expired
- Aug 5, 2018, 2:48 AM EDT
- In force
- 16 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Flood severity
- Minor
County Frederick County, MD
The radar
The Sterling radar (KLWX), 56 km from the middle of the area, began a volume at 15:14 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 Monocacy River near Frederick at Interstate 70 (FDKM2). The gauge peaked at 15.74 ft at Aug 4, 2018, 3:00 PM EDT.
- Action stage
- 13 ft
- Minor stage
- 15 ft
- Moderate stage
- 17 ft
- Major stage
- 20 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 01643000, 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 4, 4:01 AM EDT, 7 hours 13 minutes earlier.
Area forecast discussion, Aug 4, 4:01 AM EDT, 7 hours 13 minutes before
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</html>Hazardous weather outlook, Aug 4, 9:46 AM EDT, 1 hour 28 minutes before
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</html>In the hours before
Local storm report, Aug 4, 5:49 AM EDT, 5 hours 25 minutes before
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</html>Local storm report, Aug 4, 6:49 AM EDT, 4 hours 25 minutes before
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</html>Local storm report, Aug 4, 6:56 AM EDT, 4 hours 18 minutes before
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</html>Local storm report, Aug 4, 7:10 AM EDT, 4 hours 4 minutes before
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Please try again in a few minutes.
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</html>Local storm report, Aug 4, 7:14 AM EDT, 4 hours before
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Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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</html>Local storm report, Aug 4, 7:29 AM EDT, 3 hours 45 minutes before
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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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 3, 8:23 PM EDT | Areal Flood Warning | LWX | Nelson | 102 min |
| Aug 3, 8:39 PM EDT | Areal Flood Warning | LWX | Clarke, Frederick, Shenandoah, Warren, City of Winchester | 18 hr |
| Aug 3, 9:52 PM EDT | River Flood Warning | LWX | Culpeper, Fauquier | 23 hr |
| Aug 3, 10:54 PM EDT | Areal Flood Warning | LWX | Culpeper, Greene, Madison, Rappahannock | 6 hr |
| Aug 3, 11:54 PM EDT | Areal Flood Warning | LWX | Culpeper, Fauquier, Loudoun, Prince William | 6 hr |
| Aug 4, 2:11 AM EDT | River Flood Warning | LWX | Culpeper, Orange, Spotsylvania | 11 hr |
| Aug 4, 2:23 AM EDT | Dense Fog Advisory | LWX | Albemarle, Amherst, Augusta, Clarke, Culpeper, Frederick and 14 more | 5 hr |
| Aug 3, 8:08 PM EDT | Areal Flood Warning | LWX | Baltimore, Carroll, Frederick | 15 hr |
| Aug 3, 8:51 PM EDT | Areal Flood Warning | LWX | Washington | 3 hr |
| Aug 3, 9:09 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick, Howard, Montgomery | 36 min |
| Aug 3, 9:40 PM EDT | Areal Flood Warning | LWX | Frederick | 6 hr |
| Aug 4, 12:56 AM EDT | Areal Flood Warning | LWX | Carroll, Frederick | 11 hr |
| Aug 4, 1:19 AM EDT | Areal Flood Warning | LWX | Carroll, Frederick | 11 hr |
| Aug 4, 1:23 AM EDT | Flash Flood Warning | LWX | Carroll, Frederick | 3 hr |
| Aug 4, 1:34 AM EDT | Areal Flood Warning | LWX | Baltimore, Harford | 5 hr |
| Aug 4, 1:50 AM EDT | Areal Flood Warning | LWX | Howard, Montgomery | 103 min |
| Aug 4, 9:58 AM EDT | Areal Flood Warning | LWX | Anne Arundel, Baltimore, Howard | 17 hr |
| Aug 4, 11:06 AM EDT | Areal Flood Warning | LWX | Baltimore | 5 hr |
| Aug 4, 11:57 AM EDT | Areal Flood Warning | LWX | Carroll, Frederick | 4 hr |
| Aug 3, 9:56 PM EDT | River Flood Warning | LWX | Berkeley, Jefferson | 28 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.