Alert archive / West Virginia / Flash Flood Warnings in 2019
Flash Flood Warning 6, NWS Baltimore/Washington
NWS Baltimore/Washington issued this flash flood warning at Jun 30, 2019, 4:15 AM EDT for Grant County, West Virginia. It was in force for 2 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
- Jun 30, 2019, 4:15 AM EDT (08:15 UTC)
- Expired
- Jun 30, 2019, 6:30 AM EDT
- In force
- 2 hr
- Issued by
- NWS Baltimore/Washington
- Area
- Storm-based polygon
- Flood severity
- None
County Grant County, WV
The radar
The Sterling radar (KLWX), 148 km from the middle of the area, began a volume at 08:17 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 nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 8.3 hours before the alert went out and 156 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 604 J/kg
- Mixed-layer CIN
- -51 J/kg
- Mixed-layer LCL
- 2055 m above ground
- 0-6 km bulk shear
- 24 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 154 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
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 Jun 30, 4:00 AM EDT, 15 minutes earlier.
Area forecast discussion, Jun 30, 4:00 AM EDT, 15 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, Jun 30, 1:02 AM EDT, 3 hours 13 minutes before
Hazardous Weather Outlook National Weather Service Baltimore MD/Washington DC 102 AM EDT Sun Jun 30 2019 ANZ530>543-DCZ001-MDZ011-013-014-016>018-508-VAZ052>057-301000- 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- 102 AM EDT Sun Jun 30 2019 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...Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Monday through Saturday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Please report any severe weather to the National Weather Service via normal procedures. MDZ003>006-501>507-VAZ025>031-036>040-050-051-501>508-WVZ050>053- 055-501>506-301000- 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- 102 AM EDT Sun Jun 30 2019 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...Tonight Localized flash flooding from heavy rain associated with thunderstorms is possible, especially near the Allegheny Highlands in West Virginia. .DAYS TWO THROUGH SEVEN...Monday through Saturday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Please report any severe weather or flooding to the National Weather Service via normal procedures.
In the hours before
Local storm report, Jun 30, 12:34 AM EDT, 3 hours 41 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1234 AM EDT SUN JUN 30 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1014 PM TSTM WND DMG 2 SE CEDAR HILL 39.26N 78.10W
06/29/2019 FREDERICK VA 911 CALL CENTER
POWER LINES DOWN IN CLEAR BROOK.
&&
EVENT NUMBER LWX1904934
DHLocal storm report, Jun 30, 12:57 AM EDT, 3 hours 18 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1257 AM EDT SUN JUN 30 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0418 PM TSTM WND DMG 3 WNW ROXBURY MILLS 39.28N 77.11W
06/29/2019 HOWARD MD 911 CALL CENTER
TREE DOWN ON ANNAPOLIS ROCK ROAD BETWEEN HIPSLEY MILL
ROAD AND THE MONTGOMERY COUNTY LINE.
0433 PM TSTM WND DMG 2 WNW LINTHICUM 39.21N 76.70W
06/29/2019 BALTIMORE MD 911 CALL CENTER
LARGE TREE DOWN NEAR THE INTERSECTION OF RACE ROAD AND
FURNACE ROAD.
0437 PM TSTM WND DMG 1 SSE HIGHLAND 39.17N 76.95W
06/29/2019 HOWARD MD 911 CALL CENTER
TREE DOWN ON BUCKS HAVEN LANE NEAR BUCKS HAVEN COURT.
0500 PM TSTM WND DMG 3 ESE LANDES 38.89N 79.15W
06/29/2019 GRANT WV 911 CALL CENTER
MULTIPLE TREES DOWN ALONG SOUTH MILL CREEK ROAD.
0503 PM TSTM WND DMG 3 N INDEPENDENT HILL 38.67N 77.43W
06/29/2019 PRINCE WILLIAM VA 911 CALL CENTER
NUMEROUS TREES DOWN IN THE LAKE JACKSON AREA NORTHWEST
OF INDEPENDENT HILL.
0815 PM TSTM WND DMG DUNKIRK 38.72N 76.66W
06/29/2019 CALVERT MD 911 CALL CENTER
MULTIPLE TREES DOWN IN THE DUNKIRK AREA.
0823 PM TSTM WND DMG 1 N MOUNT HARMONY 38.72N 76.60W
06/29/2019 CALVERT MD 911 CALL CENTER
MULTIPLE TREES DOWN IN THE OWINGS AREA.
0830 PM TSTM WND DMG NORTH BEACH 38.71N 76.53W
06/29/2019 CALVERT MD 911 CALL CENTER
MULTIPLE TREES DOWN IN THE NORTH BEACH AREA.
0940 PM TSTM WND DMG SHEPHERDSTOWN 39.43N 77.81W
06/29/2019 JEFFERSON WV 911 CALL CENTER
MULTIPLE TREES DOWN IN THE SHEPHERDSTOWN AREA.
0945 PM TSTM WND DMG KEARNEYSVILLE 39.39N 77.89W
06/29/2019 JEFFERSON WV 911 CALL CENTER
MULTIPLE TREES DOWN IN THE KEARNEYSVILLE AREA.
1000 PM TSTM WND DMG RANSON 39.30N 77.86W
06/29/2019 JEFFERSON WV 911 CALL CENTER
NUMEROUS TREES DOWN IN THE RANSON AREA.
1040 PM TSTM WND DMG 3 NNE RUSSELLDALE 39.34N 78.92W
06/29/2019 MINERAL WV 911 CALL CENTER
MULTIPLE TREES DOWN IN THE BURLINGTON AREA.
1115 PM TSTM WND DMG 4 SSW PURGITSVILLE 39.19N 78.95W
06/29/2019 HARDY WV 911 CALL CENTER
TREE DOWN IN THE 1000 BLOCK OF J C MARKWOOD ROAD.
1120 PM TSTM WND DMG 2 NE MEDLEY 39.20N 79.03W
06/29/2019 GRANT WV 911 CALL CENTER
NUMEROUS TREES DOWN ALONG PATTERSON CREEK ROAD.
&&
EVENT NUMBER LWX1904935
EVENT NUMBER LWX1904936
EVENT NUMBER LWX1904937
EVENT NUMBER LWX1904938
EVENT NUMBER LWX1904939
EVENT NUMBER LWX1904940
EVENT NUMBER LWX1904941
EVENT NUMBER LWX1904942
EVENT NUMBER LWX1904943
EVENT NUMBER LWX1904944
EVENT NUMBER LWX1904945
EVENT NUMBER LWX1904946
EVENT NUMBER LWX1904947
EVENT NUMBER LWX1904948
DHLocal storm report, Jun 30, 2:40 AM EDT, 1 hour 35 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, Jun 30, 3:57 AM EDT, 18 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, Jun 30, 4:01 AM EDT, 14 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, Jun 30, 4:09 AM EDT, 6 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>The office that day
Everything else NWS Baltimore/Washington issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 8:01 PM EDT | Special Marine Warning | LWX | 92 min | |
| Jun 29, 9:46 PM EDT | Severe Thunderstorm Warning | LWX | Frederick, City of Winchester | 44 min |
| Jun 29, 9:57 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 48 min |
| Jun 29, 10:17 PM EDT | Special Marine Warning | LWX | 43 min | |
| Jun 29, 10:25 PM EDT | Severe Thunderstorm Warning | LWX | Loudoun | 21 min |
| Jun 29, 10:39 PM EDT | Special Marine Warning | LWX | 96 min | |
| Jun 29, 8:19 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 56 min |
| Jun 29, 8:33 PM EDT | Severe Thunderstorm Warning | LWX | Calvert, Charles, Prince George's | 13 min |
| Jun 29, 8:44 PM EDT | Severe Thunderstorm Warning | LWX | Charles | 14 min |
| Jun 29, 9:05 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 40 min |
| Jun 29, 9:18 PM EDT | Severe Thunderstorm Warning | LWX | Allegany, Washington | 57 min |
| Jun 29, 10:14 PM EDT | Severe Thunderstorm Warning | LWX | Allegany | 34 min |
| Jun 29, 10:23 PM EDT | Severe Thunderstorm Warning | LWX | Carroll, Frederick | 52 min |
| Jun 29, 10:47 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Carroll | 25 min |
| Jun 29, 11:40 PM EDT | Severe Thunderstorm Warning | LWX | Baltimore, Harford | 25 min |
| Jun 30, 3:57 AM EDT | River Flood Warning | LWX | Garrett | 8 hr |
| Jun 29, 11:11 PM EDT | Severe Thunderstorm Warning | LWX | Grant, Hampshire, Hardy, Mineral | 19 min |
| Jun 30, 12:47 AM EDT | Areal Flood Warning | LWX | Grant | 11 hr |
| Jun 30, 1:35 AM EDT | Flash Flood Warning | LWX | Grant | 3 hr |
| Jun 30, 2:49 AM EDT | Flash Flood Warning | LWX | Grant | 6 hr |
| Jun 30, 3:20 AM EDT | Areal Flood Warning | LWX | Pendleton | 8 hr |
| Jun 30, 3:35 AM EDT | Flash Flood Warning | LWX | Grant | 3 hr |
| Jun 30, 3:44 AM EDT | Flash Flood Warning | LWX | Pendleton | 3 hr |
| Jun 30, 4:07 AM EDT | Severe Thunderstorm Warning | LWX | Pendleton | 25 min |
| Jun 30, 7:21 AM EDT | Areal Flood Warning | LWX | Grant, Pendleton | 4 hr |
| Jun 30, 8:29 AM EDT | Areal Flood Warning | LWX | Grant | 3 hr |
Nearby
Flash Flood Warnings in West Virginia, 2019Every flash flood warning in 2019
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.