Alert archive / Missouri / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 65, NWS Paducah, KY
NWS Paducah, KY issued this severe thunderstorm warning at Apr 3, 1999, 1:59 PM CST for Mississippi County, Missouri. It was in force for 31 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
- Apr 3, 1999, 1:59 PM CST (19:59 UTC)
- Expired
- Apr 3, 1999, 2:30 PM CST
- In force
- 31 min
- Issued by
- NWS Paducah, KY
- Area
- Whole counties
County Mississippi County, MO
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 3, 1:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 8.0 hours before the alert went out and 230 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
- 1517 J/kg
- Mixed-layer CIN
- -60 J/kg
- Mixed-layer LCL
- 646 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 257 m²/s²
- 0-3 km storm-relative helicity
- 275 m²/s²
- Significant tornado parameter
- 1.8
- Supercell composite
- 10.5
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 Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Apr 3, 2:25 AM CST, 11 hours 34 minutes earlier.
Area forecast discussion, Apr 3, 2:25 AM CST, 11 hours 34 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE PADUCAH KY 225 AM CST SAT APR 3 1999 07Z SFC ANALYSIS SHOWS LOW CENTERED OVER THE GREAT LAKES AREA WITH AN ASSOCIATED COLD FRONT EXTENDING SOUTHWESTWARD THROUGH CENTRAL MO...INTERSECTING MORE INTENSE LOW OVER CENTRAL TX. THIS FEATURE WILL CONTINUE ITS EASTWARD PROGRESSION AND BRING SECOND ROUND OF PRECIP TO THE FA THIS EVENING/TNGT. CURRENT RADAR SHOWS CONVECTION AND IR SAT PICS INDICATE COOLING TOPS OVER SEMO WITH TEMPS IN THE -65C RANGE. IN ADDITION...07Z SFC ANALYSIS SHOWS THE STORMS OVER CENTRAL AR AND SEMO ARE DEVELOPING ALONG DEW POINT RIDGE AXIS WHICH WAS POISED IN A NORTH-SOUTH ORIENTATION FROM NW IL THROUGH SEMO TO SC AR. 00Z SAT MODEL RUN SHOWS ALL MODELS IN GENERAL AGREEMENT THAT BEST MOISTURE WILL ARRIVE BETWEEN 12Z AND 18Z TDY. NEGATIVE ENERGY SHOULD ARRIVE SUN ALONG WITH SIGNIFCANT DRYING BETWEEN 12Z AND 18Z SUN. THUS WILL HAVE TO ADDRESS THIS IN ZONES WITH WORDING ALONG THE LINES OF DRY OVER WEST HALF AND ENDING OVER EAST. THE AVN INDICATES PRECIP RETURNING TO THE AREA MONDAY AS VORT MAX EJECTS FROM LOW CENTER WHICH SHOULD BE JUST WEST OF FA BY THAT TIME. GOOD DRY PUNCH INDICATED DURING DAY TUE MAKES IT APPEAR THAT RETURN MOISTURE WILL HOLD OFF AT LEAST TIL OVNGT TUE. FAN AND FWC IN CLOSE AGREEMENT...HOWEVER WITH ONGOING PRECIP AND CLOUDS MAY HAVE TO TRIM TEMPS A BIT IN FIRST PERIOD. .PAH...NONE. HOOPER
In the hours before
Special weather statement, Apr 3, 11:20 AM CST, 2 hours 39 minutes before
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</html>Special weather statement, Apr 3, 11:20 AM CST, 2 hours 39 minutes before
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<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.
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<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 Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 4:36 AM CST | Flash Flood Warning | PAH | Livingston | 3 hr |
| Apr 3, 4:36 AM CST | Flash Flood Warning | PAH | Ballard, McCracken | 3 hr |
| Apr 3, 5:58 AM CST | Tornado Warning | PAH | Trigg | 32 min |
| Apr 3, 6:10 AM CST | Tornado Warning | PAH | Christian | 35 min |
| Apr 3, 6:27 AM CST | Severe Thunderstorm Warning | PAH | Todd | 63 min |
| Apr 3, 3:33 PM CST | Severe Thunderstorm Warning | PAH | Union | 42 min |
| Apr 3, 4:07 PM CST | Severe Thunderstorm Warning | PAH | Henderson | 38 min |
| Apr 3, 4:24 PM CST | Tornado Warning | PAH | Henderson | 36 min |
| Apr 3, 1:37 PM CST | Severe Thunderstorm Warning | PAH | Alexander | 38 min |
| Apr 3, 2:13 PM CST | Severe Thunderstorm Warning | PAH | Johnson, Pulaski | 47 min |
| Apr 3, 2:57 PM CST | Severe Thunderstorm Warning | PAH | Pope | 33 min |
| Apr 3, 10:01 AM CST | Flash Flood Warning | PAH | Bollinger | 3 hr |
| Apr 3, 10:41 AM CST | Flash Flood Warning | PAH | Wayne | 119 min |
| Apr 3, 11:26 AM CST | Flash Flood Warning | PAH | Perry | 119 min |
| Apr 3, 1:28 PM CST | Severe Thunderstorm Warning | PAH | Cape Girardeau | 32 min |
| Apr 3, 2:08 PM CST | Severe Thunderstorm Warning | PAH | Scott | 22 min |
| Apr 3, 5:13 PM CST | Flash Flood Warning | PAH | Bollinger, Wayne | 6 hr |
| Apr 3, 5:16 PM CST | Severe Thunderstorm Warning | PAH | Carter, Ripley | 59 min |
| Apr 3, 5:51 PM CST | Severe Thunderstorm Warning | PAH | Butler, Wayne | 39 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.