Alert archive / Maryland / Flash Flood Warnings in 2003
Flash Flood Warning 118, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Sep 3, 2003, 11:23 PM EDT for Washington County, Maryland. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 3, 2003, 11:23 PM EDT (03:23 UTC)
- Expired
- Sep 4, 2003, 2:30 AM EDT
- In force
- 3 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Counties, with a storm outline in the text
County Washington County, MD
The radar
The Sterling radar (KLWX), 75 km from the middle of the area, began a volume at 03:26 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.
What forecasters said that day
The local office's own words before this flash 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 flash flood warning went out at Sep 3, 10:20 PM EDT, 1 hour 3 minutes earlier.
Area forecast discussion, Sep 3, 10:20 PM EDT, 1 hour 3 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<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.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Hazardous weather outlook, Sep 3, 3:00 PM EDT, 8 hours 23 minutes before
DCZ001-MDZ002>007-009>011-013-014-016>018-VAZ025>031-036>042-050>057- WVZ048>055-041000- HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 300 PM EDT WED SEP 3 2003 THIS HAZARDOUS WEATHER OUTLOOK IS FOR MARYLAND WEST OF THE CHESAPEAKE BAY AND EAST OF GARRETT COUNTY...THE DISTRICT OF COLUMBIA...NORTHERN VIRGINIA...THE NORTHERN AND CENTRAL SHENANDOAH VALLEY...AND THE EASTERN PANHANDLE OF WEST VIRGINIA. .DAY ONE...TODAY AND TONIGHT. A SLOW MOVING FRONTAL BOUNDARY WILL INTERACT WITH COPIOUS AMOUNTS OF MOISTURE FEEDING INTO THE AREA TO TRIGGER SHOWERS AND THUNDERSTORMS. THESE THUNDERSTORMS ARE EXPECTED TO PRODUCE THE HEAVIEST RAINFALL WEST OF THE BLUE RIDGE. A FLOOD WATCH HAS BEEN ISSUED FOR THE POTOMAC HIGHLANDS...THE SHENANDOAH VALLEY...AND THE EASTERN PANHANDLE OF WEST VIRGINIA. RAINFALL AMOUNTS IN EXCESS OF 2 INCHES ARE POSSIBLE. PONDING OF WATER ON ROADWAYS...IN LOW LYING AREAS AND POOR DRAINAGE AREAS COULD LEAD TO SOME FLOODING PROBLEMS TODAY...ESPECIALLY IN THE WATCH AREA. RISES ON SMALL CREEKS AND STREAMS COULD ALSO OCCUR. .DAYS TWO AND THREE... SHOWERS AND THUNDERSTORMS WILL ALSO BE OVER THE AREA THURSDAY AS THE FRONT SLOWLY MOVES OVER THE AREA. THE FLOOD WATCH WILL REMAIN IN EFFECT WEST OF THE BLUE RIDGE AND FOR WESTERN MARYLAND UNTIL NOON. .DAYS FOUR THROUGH SEVEN... NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. STRONG
In the hours before
Special weather statement, Sep 3, 6:36 PM EDT, 4 hours 47 minutes before
VAZ030-032330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 636 PM EDT WED SEP 3 2003 ...STRONG THUNDERSTORMS MOVING INTO WARREN COUNTY... AT 636 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES NORTHEAST OF RELIANCE TO 11 MILES NORTHWEST OF BENTONVILLE...MOVING SOUTHEAST AT 15 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING SMALL HAIL AND WIND GUSTS TO 50 MPH. FRONT ROYAL WILL BE AFFECTED BY THESE STORMS THROUGH 730 PM EDT. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. MANNING
Special weather statement, Sep 3, 8:36 PM EDT, 2 hours 47 minutes before
VAZ041-042-052-040130- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC 836 PM EDT WED SEP 3 2003 ...STRONG THUNDERSTORMS CROSSING THE BLUE RIDGE... AT 836 PM EDT...DOPPLER RADAR INDICATED STRONG THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES WEST OF PARIS TO 2 MILES NORTHWEST OF DELAPLANE TO 5 MILES SOUTHWEST OF MARKHAM...MOVING EAST AT 25 MPH. THESE STORMS WILL BE CAPABLE OF PRODUCING WIND GUSTS TO 50 MPH. THE COMMUNITIES OF ASHBURN...COUNTRYSIDE...DELAPLANE...LEESBURG... MIDDLEBURG...THE PLAINS...ARCOLA AND BLUEMONT WILL BE AFFECTED BY THESE STORMS THROUGH 930 PM EDT. RESIDENTS IN THESE AREAS SHOULD REMAIN ALERT IN CASE WARNINGS ARE ISSUED. MANNING
Local storm report, Sep 3, 9:03 PM EDT, 2 hours 20 minutes before
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Service Notice</title>
<link rel="stylesheet" href="index.css">
</head>
<body>
<main class="wrap">
<section class="card" role="status" aria-live="polite">
<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.
</p>
<p class="small" id="detail">
If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
</p>
</section>
</main>
<script src="index.js"></script>
</body>
</html>Local storm report, Sep 3, 10:40 PM EDT, 43 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1040 PM EDT WED SEP 03 2003
TIME(EDT) .....CITY LOCATION..... STATE ...EVENT/REMARKS...
....COUNTY LOCATION....
1030 PM THURMONT MD FLASH FLOOD
09/03/03 FREDERICK LAW ENFORCEMENT OFFICIALS
REPORTED FLOODING NEAR
THURMONT.The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 8:30 PM EDT | Flash Flood Warning | LWX | Warren | 3 hr |
| Sep 3, 8:58 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 47 min |
| Sep 3, 8:24 PM EDT | Flash Flood Warning | LWX | Washington | 3 hr |
| Sep 3, 9:33 PM EDT | Flash Flood Warning | LWX | Frederick | 3 hr |
Nearby
Flash Flood Warnings in Maryland, 2003Every flash flood warning in 2003
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.