Alert archive / Virginia / Flash Flood Warnings in 1989
Flash Flood Warning 29, NWS Blacksburg, VA
NWS Blacksburg, VA issued this flash flood warning at Sep 16, 1989, 11:48 AM EDT for Giles County, Pulaski County, Virginia. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Sep 16, 1989, 11:48 AM EDT (15:48 UTC)
- Expired
- Sep 16, 1989, 2:15 PM EDT
- In force
- 2 hr
- Issued by
- NWS Blacksburg, VA
- Area
- Whole counties
Counties Giles County, VA, Pulaski County, VA
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
The nearest sounding before it
Huntington/Tri S, WV (KHTS), launched 12:00Z, 3.8 hours before the alert went out and 205 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
- 26 J/kg
- Mixed-layer CIN
- -88 J/kg
- Mixed-layer LCL
- 666 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 131 m²/s²
- 0-3 km storm-relative helicity
- 117 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 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
Special weather statement, Sep 16, 7:04 AM EDT, 4 hours 44 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 Blacksburg, VA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 15, 8:16 PM EDT | Flash Flood Warning | RNK | Carroll | 119 min |
| Sep 15, 10:34 PM EDT | Flash Flood Warning | RNK | Campbell | 116 min |
| Sep 15, 11:18 PM EDT | Flash Flood Warning | RNK | Franklin | 117 min |
| Sep 16, 1:08 AM EDT | Flash Flood Warning | RNK | Henry, Pittsylvania | 3 hr |
| Sep 16, 1:08 AM EDT | Flash Flood Warning | RNK | Bedford, Roanoke | 3 hr |
| Sep 16, 11:48 AM EDT | Flash Flood Warning | RNK | Grayson | 2 hr |
| Sep 16, 1:01 PM EDT | Flash Flood Warning | RNK | Montgomery | 119 min |
| Sep 16, 1:24 PM EDT | Flash Flood Warning | RNK | Roanoke | 2 hr |
Nearby
Flash Flood Warnings in Virginia, 1989Every flash flood warning in 1989
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.