Alert archive / West Virginia / Flash Flood Warnings in 1998
Flash Flood Warning 190, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this flash flood warning at Aug 24, 1998, 7:39 PM EDT for Brooke 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
- Aug 24, 1998, 7:39 PM EDT (23:39 UTC)
- Expired
- Aug 24, 1998, 10:00 PM EDT
- In force
- 2 hr
- Issued by
- NWS Pittsburgh, PA
- Area
- Whole counties
County Brooke County, WV
The radar
The Pittsburgh radar (KPBZ), 42 km from the middle of the area, began a volume at 23:39 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
Pittsburgh, PA (KPIT), launched 12:00Z, 11.7 hours before the alert went out and 43 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
- 1171 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 812 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 208 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 7.3
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 flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Local storm report, Aug 24, 4:06 PM EDT, 3 hours 33 minutes before
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</html>Local storm report, Aug 24, 4:06 PM EDT, 3 hours 33 minutes before
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</html>Local storm report, Aug 24, 5:35 PM EDT, 2 hours 4 minutes before
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</html>Local storm report, Aug 24, 5:46 PM EDT, 1 hour 53 minutes before
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<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>
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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 24, 6:31 PM EDT, 1 hour 8 minutes before
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<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>
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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 Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 9:18 AM EDT | Severe Thunderstorm Warning | PBZ | Carroll, Columbiana, Tuscarawas | 72 min |
| Aug 24, 9:18 AM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 72 min |
| Aug 24, 9:59 AM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 61 min |
| Aug 24, 9:59 AM EDT | Severe Thunderstorm Warning | PBZ | Harrison | 61 min |
| Aug 24, 11:02 AM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 58 min |
| Aug 24, 2:56 PM EDT | Severe Thunderstorm Warning | PBZ | Tuscarawas | 54 min |
| Aug 24, 3:06 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 44 min |
| Aug 24, 3:19 PM EDT | Severe Thunderstorm Warning | PBZ | Harrison | 46 min |
| Aug 24, 3:47 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 58 min |
| Aug 24, 4:16 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont | 59 min |
| Aug 24, 5:04 PM EDT | Severe Thunderstorm Warning | PBZ | Harrison | 41 min |
| Aug 24, 5:27 PM EDT | Severe Thunderstorm Warning | PBZ | Belmont | 58 min |
| Aug 24, 5:49 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 56 min |
| Aug 24, 6:28 PM EDT | Severe Thunderstorm Warning | PBZ | Coshocton | 42 min |
| Aug 24, 6:29 PM EDT | Severe Thunderstorm Warning | PBZ | Monroe | 61 min |
| Aug 24, 6:49 PM EDT | Severe Thunderstorm Warning | PBZ | Guernsey | 56 min |
| Aug 24, 7:00 PM EDT | Flash Flood Warning | PBZ | Belmont | 3 hr |
| Aug 24, 8:50 AM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 43 min |
| Aug 24, 9:05 AM EDT | Severe Thunderstorm Warning | PBZ | Venango | 55 min |
| Aug 24, 9:21 AM EDT | Severe Thunderstorm Warning | PBZ | Lawrence | 54 min |
| Aug 24, 9:36 AM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest | 54 min |
| Aug 24, 9:36 AM EDT | Severe Thunderstorm Warning | PBZ | Butler | 54 min |
| Aug 24, 9:46 AM EDT | Severe Thunderstorm Warning | PBZ | Beaver | 44 min |
| Aug 24, 9:54 AM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Jefferson | 56 min |
| Aug 24, 10:42 AM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington | 58 min |
| Aug 24, 4:04 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 56 min |
| Aug 24, 5:09 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 56 min |
| Aug 24, 2:58 PM EDT | Severe Thunderstorm Warning | PBZ | Ohio | 32 min |
| Aug 24, 3:01 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall | 44 min |
| Aug 24, 3:13 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke | 42 min |
| Aug 24, 3:54 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke | 61 min |
| Aug 24, 4:52 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall | 43 min |
| Aug 24, 4:56 PM EDT | Flash Flood Warning | PBZ | Ohio | 2 hr |
| Aug 24, 5:22 PM EDT | Flash Flood Warning | PBZ | Brooke | 3 hr |
| Aug 24, 6:07 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall | 43 min |
| Aug 24, 7:04 PM EDT | Severe Thunderstorm Warning | PBZ | Wetzel | 56 min |
Nearby
Flash Flood Warnings in West Virginia, 1998Every flash flood warning in 1998
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.