Alert archive / South Dakota / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 44, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 12, 1994, 7:12 PM CDT for Lincoln County, Minnehaha County, South Dakota. It was in force for 21 min.
The area
The counties it named.
The facts
- Issued
- Jun 12, 1994, 7:12 PM CDT (00:12 UTC)
- Expired
- Jun 12, 1994, 7:33 PM CDT
- In force
- 21 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Lincoln County, SD, Minnehaha County, SD
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 0.2 hours before the alert went out and 242 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
- 4262 J/kg
- Mixed-layer CIN
- -12 J/kg
- Mixed-layer LCL
- 1255 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 174 m²/s²
- 0-3 km storm-relative helicity
- 514 m²/s²
- Significant tornado parameter
- 4.3
- Supercell composite
- 35.1
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 12, 5:40 PM CDT, 1 hour 32 minutes before
SDZ022-023-038-039-053-054-122335- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 540 PM CDT SUN JUN 12 1994 ...TORNADO WATCH FOR MUCH OF CENTRAL AND EASTERN SOUTH DAKOTA UNTIL 1000 PM CDT... AT 530 PM CDT...ISOLATED SEVERE THUNDERSTORMS CONTINUED OVER A SMALL PART OF EAST CENTRAL SOUTH DAKOTA. THESE STORMS WERE LOCATED 15 MILES SOUTHEAST OF HURON AND 20 MILES SOUTH OF WATERTOWN AND HAVE PRODUCE LARGE HAIL AND STRONG DAMAGING WINDS. PERSONS IN SOUTHEAST BEADLE...NORTHERN SANBORN...SOUTHEAST HAMLIN AND SOUTHERN DEUEL COUNTIES SHOULD REMAIN ALERT FOR THREATENING WEATHER AND SEEK SHELTER IMMEDIATELY IF SIGHTED. MOVEMENT WAS EAST AT 30 MILES AN HOUR. PFEIFFER
Special weather statement, Jun 12, 5:43 PM CDT, 1 hour 29 minutes before
SDZ022-023-038-039-053-054-122335- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE HURON SD 540 PM CDT SUN JUN 12 1994 ...TORNADO WATCH FOR MUCH OF CENTRAL AND EASTERN SOUTH DAKOTA UNTIL 1000 PM CDT... AT 530 PM CDT...ISOLATED SEVERE THUNDERSTORMS CONTINUED OVER A SMALL PART OF EAST CENTRAL SOUTH DAKOTA. THESE STORMS WERE LOCATED 15 MILES SOUTHEAST OF HURON AND 20 MILES SOUTH OF WATERTOWN AND HAVE PRODUCE LARGE HAIL AND STRONG DAMAGING WINDS. PERSONS IN SOUTHEAST BEADLE...NORTHERN SANBORN...SOUTHEAST HAMLIN AND SOUTHERN DEUEL COUNTIES SHOULD REMAIN ALERT FOR THREATENING WEATHER AND SEEK SHELTER IMMEDIATELY IF SIGHTED. MOVEMENT WAS EAST AT 30 MILES AN HOUR. PFEIFFER
Special weather statement, Jun 12, 6:14 PM CDT, 58 minutes before
IAZ021-032-043-013-020-031-NEZ014-013-015-SDZ071-130015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 614 PM CDT SUN JUN 12 1994 ...STRONG THUNDERSTORMS WILL MOVE INTO THE AREA... STRONG THUNDERSTORMS WILL MOVE INTO DIXON COUNTY NEBRASKA BETWEEN 630 AND 7 PM. THESE STORMS HAVE HAD A HISTORY OF PRODUCING HAIL. DIXON COUNTY IS ABOUT 25 MILES WEST OF SIOUX CITY. OTHERS STORMS WERE DEVELOPING NORTHWEST OF SIOUX CITY NEAR NORA SOUTH DAKOTA OR 35 MILES NORTHWEST OF SIOUX CITY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM FOR ALL BUT THURSTON COUNTY NEBRASKA. THURSTON COUNTY IS ALSO IN A TORNADO WATCH UNTIL MIDNIGHT. MICHELS
Special weather statement, Jun 12, 6:15 PM CDT, 57 minutes before
IAZ021-032-043-013-020-031-NEZ014-013-015-SDZ071-130015- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SIOUX CITY IA 614 PM CDT SUN JUN 12 1994 ...STRONG THUNDERSTORMS WILL MOVE INTO THE AREA... STRONG THUNDERSTORMS WILL MOVE INTO DIXON COUNTY NEBRASKA BETWEEN 630 AND 7 PM. THESE STORMS HAVE HAD A HISTORY OF PRODUCING HAIL. DIXON COUNTY IS ABOUT 25 MILES WEST OF SIOUX CITY. OTHERS STORMS WERE DEVELOPING NORTHWEST OF SIOUX CITY NEAR NORA PSOUTH DAKOTA OR 35 MILES NORTHWEST OF SIOUX CITY. A TORNADO WATCH REMAINS IN EFFECT UNTIL 10 PM FOR ALL BUT THURSTON COUNTY NEBRASKA. THURSTON COUNTY IS ALSO IN A TORNADO WATCH UNTIL MIDNIGHT. MICHELS
Special weather statement, Jun 12, 7:00 PM CDT, 12 minutes before
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</html>Special weather statement, Jun 12, 7:01 PM CDT, 11 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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</html>The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 8:01 PM CDT | Severe Thunderstorm Warning | FSD | Lyon, Osceola | 29 min |
| Jun 12, 8:18 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 27 min |
| Jun 12, 8:23 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 52 min |
| Jun 12, 8:23 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 37 min |
| Jun 12, 8:46 PM CDT | Severe Thunderstorm Warning | FSD | O'Brien | 29 min |
| Jun 12, 9:01 PM CDT | Severe Thunderstorm Warning | FSD | Plymouth | 29 min |
| Jun 12, 9:05 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 40 min |
| Jun 12, 9:13 PM CDT | Severe Thunderstorm Warning | FSD | Cherokee | 46 min |
| Jun 12, 9:46 PM CDT | Severe Thunderstorm Warning | FSD | Woodbury | 29 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 1994Every severe thunderstorm warning in 1994
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.