Alert archive / Maryland / Severe Thunderstorm Warnings in 2000
Severe Thunderstorm Warning 253, NWS Baltimore/Washington
NWS Baltimore/Washington issued this severe thunderstorm warning at Nov 9, 2000, 10:32 PM EST for Allegany County, Maryland; Mineral County, West Virginia. It was in force for 58 min. 4 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 9, 2000, 10:32 PM EST (03:32 UTC)
- Expired
- Nov 9, 2000, 11:30 PM EST
- In force
- 58 min
- Issued by
- NWS Baltimore/Washington
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Allegany County, MD, Mineral County, WV
The radar
The Sterling radar (KLWX), 130 km from the middle of the area, began a volume at 03:33 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 was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 9, 11:00 PM EST | Thunderstorm Wind | New Creek, WV | A tree was downed on Green Mountain. |
| Nov 9, 11:00 PM EST | Thunderstorm Wind 53 M | Keyser, WV | A wind gust of 61 MPH was reported. |
| Nov 9, 11:07 PM EST | Thunderstorm Wind | Cresaptown, MD | Trees were downed. |
| Nov 9, 11:15 PM EST | Thunderstorm Wind | Flintstone, MD | Trees were downed. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Nov 9, 9:00 PM EST | Severe Thunderstorm Watch | SPC | 3 hr |
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 3.5 hours before the alert went out and 138 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 510 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 300 m²/s²
- 0-3 km storm-relative helicity
- 317 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm 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 severe thunderstorm warning went out at Nov 9, 9:30 PM EST, 1 hour 2 minutes earlier.
Area forecast discussion, Nov 9, 9:30 PM EST, 1 hour 2 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 |
|---|---|---|---|---|
| Nov 9, 11:36 PM EST | Severe Thunderstorm Warning | LWX | Augusta, Nelson | 39 min |
| Nov 9, 11:36 PM EST | Severe Thunderstorm Warning | LWX | City of Waynesboro | 39 min |
| Nov 9, 11:36 PM EST | Severe Thunderstorm Warning | LWX | City of Staunton | 39 min |
| Nov 10, 12:08 AM EST | Severe Thunderstorm Warning | LWX | Albemarle, City of Charlottesville | 52 min |
| Nov 10, 12:25 AM EST | Severe Thunderstorm Warning | LWX | Clarke, Frederick, City of Winchester | 50 min |
| Nov 10, 12:51 AM EST | Severe Thunderstorm Warning | LWX | Madison, Orange | 39 min |
| Nov 9, 11:50 PM EST | Severe Thunderstorm Warning | LWX | Washington | 40 min |
Nearby
Severe Thunderstorm Warnings in Maryland, 2000Severe Thunderstorm Warnings in West Virginia, 2000Every severe thunderstorm warning in 2000
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.