Alert archive / Kansas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 87, NWS Wichita, KS
NWS Wichita, KS issued this severe thunderstorm warning at May 17, 1999, 1:35 AM CDT for Allen County, Labette County, Neosho County, Kansas. It was in force for 55 min. 1 report 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
- May 17, 1999, 1:35 AM CDT (06:35 UTC)
- Expired
- May 17, 1999, 2:30 AM CDT
- In force
- 55 min
- Issued by
- NWS Wichita, KS
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
Counties Allen County, KS, Labette County, KS, Neosho County, KS
The radar
The Tulsa radar (KINX), 154 km from the middle of the area, began a volume at 06:34 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 |
|---|---|---|---|
| May 17, 1:35 AM CDT | Thunderstorm Wind 52 | Erie, KS | Large tree blown into a house in Erie. |
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 |
|---|---|---|---|
| May 17, 12:30 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 6.6 hours before the alert went out and 151 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
- 1195 J/kg
- Mixed-layer CIN
- -162 J/kg
- Mixed-layer LCL
- 1564 m above ground
- 0-6 km bulk shear
- 32 kt
- 0-1 km storm-relative helicity
- 127 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 0.1
- Supercell composite
- 7.5
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.
NWS Wichita, KS wrote its last area forecast discussion before this severe thunderstorm warning went out at May 17, 1:30 AM CDT, 5 minutes earlier.
Area forecast discussion, May 17, 1:30 AM CDT, 5 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>In the hours before
Special weather statement, May 16, 10:09 PM CDT, 3 hours 26 minutes before
KSZ048>053-170330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA KS 1009 PM CDT SUN MAY 16 1999 ...TORNADO WATCH 273 HAS BEEN ALLOWED TO EXPIRE... THE STRONG TO SEVERE THUNDERSTORMS OVER CENTRAL KANSAS HAVE WEAKENED. THEREFORE...TORNADO WATCH 273 ISSUED FOR ELLSWORTH... RICE...MCPHERSON...SALINE...MARION AND CHASE COUNTIES UNTIL 10PM HAS BEEN ALLOWED TO EXPIRE. SCATTERED THUNDERSTORMS REMAIN POSSIBLE OVERNIGHT ACROSS CENTRAL KANSAS. RUNYAN
Special weather statement, May 16, 10:09 PM CDT, 3 hours 26 minutes before
KSZ048>053-170330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA KS 1009 PM CDT SUN MAY 16 1999 ...TORNADO WATCH 273 HAS BEEN ALLOWED TO EXPIRE... THE STRONG TO SEVERE THUNDERSTORMS OVER CENTRAL KANSAS HAVE WEAKENED. THEREFORE...TORNADO WATCH 273 ISSUED FOR ELLSWORTH... RICE...MCPHERSON...SALINE...MARION AND CHASE COUNTIES UNTIL 10PM HAS BEEN ALLOWED TO EXPIRE. SCATTERED THUNDERSTORMS REMAIN POSSIBLE OVERNIGHT ACROSS CENTRAL KANSAS. RUNYAN
Special weather statement, May 16, 11:16 PM CDT, 2 hours 19 minutes before
KSZ032-033-047>053-067>072-082-083-091>096-098>100-170445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA KS 1116 PM CDT SUN MAY 16 1999 THE NATIONAL WEATHER SERVICE IN WICHITA HAS DEACTIVATED OUR SKYWARN SPOTTER NETWORK.
Special weather statement, May 16, 11:16 PM CDT, 2 hours 19 minutes before
KSZ032-033-047>053-067>072-082-083-091>096-098>100-170445- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WICHITA KS 1116 PM CDT SUN MAY 16 1999 THE NATIONAL WEATHER SERVICE IN WICHITA HAS DEACTIVATED OUR SKYWARN SPOTTER NETWORK.
The office that day
Everything else NWS Wichita, KS issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 16, 7:07 PM CDT | Tornado Warning | ICT | Kingman | 53 min |
| May 16, 7:26 PM CDT | Tornado Warning | ICT | Marion | 64 min |
| May 16, 7:40 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 65 min |
| May 16, 7:55 PM CDT | Severe Thunderstorm Warning | ICT | Kingman, Reno | 65 min |
| May 16, 8:40 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 65 min |
| May 16, 8:42 PM CDT | Severe Thunderstorm Warning | ICT | McPherson, Marion | 63 min |
| May 16, 8:55 PM CDT | Severe Thunderstorm Warning | ICT | Kingman | 65 min |
| May 16, 9:57 PM CDT | Severe Thunderstorm Warning | ICT | Kingman | 63 min |
| May 16, 10:09 PM CDT | Severe Thunderstorm Warning | ICT | Sedgwick | 66 min |
| May 16, 10:45 PM CDT | Flash Flood Warning | ICT | Sedgwick | 3 hr |
| May 16, 11:44 PM CDT | Severe Thunderstorm Warning | ICT | Barton | 61 min |
| May 17, 12:08 AM CDT | Severe Thunderstorm Warning | ICT | Saline | 67 min |
| May 17, 12:21 AM CDT | Severe Thunderstorm Warning | ICT | Ellsworth, Rice | 54 min |
| May 17, 12:33 AM CDT | Flash Flood Warning | ICT | Sedgwick | 6 hr |
| May 17, 12:56 AM CDT | Severe Thunderstorm Warning | ICT | Montgomery | 64 min |
| May 17, 12:58 AM CDT | Severe Thunderstorm Warning | ICT | McPherson | 62 min |
| May 17, 1:07 AM CDT | Severe Thunderstorm Warning | ICT | Ellsworth, Saline | 68 min |
| May 17, 2:56 PM CDT | Flash Flood Warning | ICT | Sedgwick | 6 hr |
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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.