Alert archive / Missouri / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 115, NWS St. Louis, MO
NWS St. Louis, MO issued this severe thunderstorm warning at Jun 1, 1999, 9:58 PM CDT for Reynolds County, Missouri. It was in force for 62 min. 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 1, 1999, 9:58 PM CDT (02:58 UTC)
- Expired
- Jun 1, 1999, 11:00 PM CDT
- In force
- 62 min
- Issued by
- NWS St. Louis, MO
- Area
- Whole counties
County Reynolds County, MO
The radar
The St Louis radar (KLSX), 151 km from the middle of the area, began a volume at 02:58 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 1, 5:30 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 3.0 hours before the alert went out and 256 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
- 1899 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 928 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 173 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 6.5
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.
In the hours before
Special weather statement, Jun 1, 7:14 PM CDT, 2 hours 44 minutes before
ILZ095>097-MOZ009-010-018-019-026-027-034>036-041-042-047-048- 050>052-060-020315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 714 PM CDT TUE JUN 1 1999 ...TORNADO WATCH 351 FOR PORTION OF CENTRAL...EAST CENTRAL AND MOST OF NORTHEAST MISSOURI HAS BEEN CANCEL... CITIES IN THIS WATCH WERE COLUMBIA...QUINCY...HANNIBAL...MEXICO...PALMYRA AND TROY. WIDELY SCATTERED SHOWERS AND THUNDERSTORMS WERE STILL PRESENT ACROSS THE AREA THIS EVENING. AT THIS TIME SEVERE STORMS HAVE MOVED TO THE SOUTHEAST AND WILL NOT EFFECT THE AREA ANY LONGER THIS EVENING. HOWEVER...STAY TUNE WITH NOAA WEATHER RADIO IN ORDER TO BE INFORM WITH OUR CURRENT WEATHER SITUATION.
Special weather statement, Jun 1, 9:48 PM CDT, 10 minutes before
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</html>Special weather statement, Jun 1, 9:48 PM CDT, 10 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.
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</html>The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 7:25 PM CDT | Tornado Warning | LSX | Jefferson | 50 min |
| Jun 1, 7:27 PM CDT | Tornado Warning | LSX | Washington | 48 min |
| Jun 1, 7:32 PM CDT | Severe Thunderstorm Warning | LSX | Saint Louis | 48 min |
| Jun 1, 7:36 PM CDT | Tornado Warning | LSX | Crawford | 49 min |
| Jun 1, 7:39 PM CDT | Tornado Warning | LSX | Macoupin | 46 min |
| Jun 1, 7:43 PM CDT | Severe Thunderstorm Warning | LSX | Madison | 47 min |
| Jun 1, 8:03 PM CDT | Severe Thunderstorm Warning | LSX | Montgomery | 47 min |
| Jun 1, 8:05 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 35 min |
| Jun 1, 8:07 PM CDT | Tornado Warning | LSX | Fayette | 33 min |
| Jun 1, 8:09 PM CDT | Tornado Warning | LSX | Montgomery | 36 min |
| Jun 1, 8:49 PM CDT | Severe Thunderstorm Warning | LSX | Fayette | 51 min |
Nearby
Severe Thunderstorm Warnings in Missouri, 1999Every severe thunderstorm warning in 1999
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.