Alert archive / Kansas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 233, NWS Goodland, KS
NWS Goodland, KS issued this severe thunderstorm warning at Aug 11, 1999, 1:47 AM CDT for Decatur County, Kansas. It was in force for 48 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
- Aug 11, 1999, 1:47 AM CDT (06:47 UTC)
- Expired
- Aug 11, 1999, 2:35 AM CDT
- In force
- 48 min
- Issued by
- NWS Goodland, KS
- Area
- Whole counties
County Decatur County, KS
The radar
The Goodland radar (KGLD), 116 km from the middle of the area, began a volume at 06:49 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 |
|---|---|---|---|
| Aug 10, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 6.8 hours before the alert went out and 150 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
- 1568 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 1522 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 110 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 1.8
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 Goodland, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 10, 5:44 PM CDT, 8 hours 3 minutes earlier.
Area forecast discussion, Aug 10, 5:44 PM CDT, 8 hours 3 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE GOODLAND KS 440 PM MDT (540 PM CDT) TUE AUG 10 1999 UPDATED LATEST ZONES FOR FIRST PERIOD TO REFLECT ISOLATED SEVERE CONVECTION BREAKING OUT IN PARTS OF CWA. ALSO UPDATED TO INCLUDE SEVERE THUNDERSTORM WATCH FOR PARTS OF CWA VALID UNTIL 9 PM MDT (10 PM CDT). STRONGEST CONVECTION SEEMS TO HAVE FORMED NEAR THETA E RIDGE LINE ADDED BY AFTERNOON HEATING. AS VORT MAX APPROACHES TONIGHT FROM COLORADO MORE SCATTERED CONVECTION CAN BE EXPECTED THROUGH THE OVERNIGHT HOURS WITH BEST CHANCES OF CONVECTION OVER NORTHERN 2/3 OF CWA. .GLD...NONE. LAMMERS
In the hours before
Local storm report, Aug 10, 8:46 PM CDT, 5 hours 1 minute before
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</html>Local storm report, Aug 10, 8:46 PM CDT, 5 hours 1 minute before
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</html>Special weather statement, Aug 10, 10:01 PM CDT, 3 hours 46 minutes before
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</html>Special weather statement, Aug 10, 10:01 PM CDT, 3 hours 46 minutes before
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<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.
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</html>The office that day
Everything else NWS Goodland, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 8:11 PM CDT | Severe Thunderstorm Warning | GLD | Logan, Thomas | 44 min |
| Aug 10, 8:30 PM CDT | Severe Thunderstorm Warning | GLD | Gove | 50 min |
| Aug 10, 8:58 PM CDT | Severe Thunderstorm Warning | GLD | Thomas | 47 min |
| Aug 10, 7:41 PM CDT | Severe Thunderstorm Warning | GLD | Yuma | 34 min |
| Aug 10, 8:20 PM CDT | Tornado Warning | GLD | Yuma | 50 min |
| Aug 10, 9:48 PM CDT | Severe Thunderstorm Warning | GLD | Dundy | 47 min |
| Aug 10, 11:03 PM CDT | Severe Thunderstorm Warning | GLD | Dundy | 47 min |
Nearby
Severe Thunderstorm Warnings in Kansas, 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.