Alert archive / Iowa / Severe Thunderstorm Warnings in 1994
Severe Thunderstorm Warning 63, NWS Des Moines, IA
NWS Des Moines, IA issued this severe thunderstorm warning at Jun 6, 1994, 8:32 PM CDT for Hardin County, Iowa. It was in force for 43 min.
The area
The counties it named.
The facts
- Issued
- Jun 6, 1994, 8:32 PM CDT (01:32 UTC)
- Expired
- Jun 6, 1994, 9:15 PM CDT
- In force
- 43 min
- Issued by
- NWS Des Moines, IA
- Area
- Whole counties
County Hardin County, IA
The nearest sounding before it
Omaha, NE (KOAX), launched 00:00Z, 1.5 hours before the alert went out and 285 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
- 1216 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1808 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 65 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
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 6, 6:43 PM CDT, 1 hour 49 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>Special weather statement, Jun 6, 6:44 PM CDT, 1 hour 48 minutes before
IAZALL-070040- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IOWA 644 PM CDT MON JUN 6 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF WESTERN AND NORTHWEST UNTIL 800 PM CDT THIS EVENING... ...A SEVERE THUNDRSTORM WATCH IS IN EFFECT FOR NORTH CENTRAL...CENTRAL...AND SOUTH CENTRAL IOWA UNTIL MIDNIGHT... AT 630 PM...INTENSE THUNDERSTORMS WERE OVER PORTIONS OF NORTHWEST AND NORTH CENTRAL IOWA. THE STRONGEST STORMS WERE LOCATED IN A 20 MILE WIDE AREA CENTERED FROM 20 MILES SOUTH OF SPENCER...TO 15 MILES NORTH OF FORT DODGE...NEAR HUMBOLDT...TO 15 MILES WEST OF MASON CITY...NEAR GARNER. THESE STORMS ARE CABABLE OF PRODUCING LARGE HAIL...DAMAGING WINDS...FREQUENT LIGHTNING AND TORRENTIAL RAINFALL. THESE THUNDERSTORMS WERE PART OF A LARGER AREA OF SHOWERS AND THUNDERSTORMS LOCATED IN A 80 MILE WIDE BAND CENTERED FROM 20 MILES SOUTHEAST OF FORT DODGE TO THE MINNESOTA BORDER 25 MILES NORTH OF SPENCER. ALL PRECIPITATION WAS MOVING SOUTHEAST AT 25 MILES AN HOUR. PETERSEN
Special weather statement, Jun 6, 7:40 PM CDT, 52 minutes before
IAZALL-070140- SPECIAL WEATHER STATEMENT AND RADAR SUMMARY NATIONAL WEATHER SERVICE DES MOINES IOWA 740 PM CDT MON JUN 6 1994 ...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF WESTERN AND NORTHWEST UNTIL 800 PM CDT THIS EVENING... ...A SEVERE THUNDRSTORM WATCH IS IN EFFECT FOR NORTH CENTRAL...CENTRAL...AND SOUTH CENTRAL IOWA UNTIL MIDNIGHT... AT 732 PM...INTENSE THUNDERSTORMS WERE OVER PORTIONS OF NORTHWEST AND NORTH CENTRAL IOWA. THE STRONGEST STORMS WERE LOCATED IN A 20 MILE WIDE AREA CENTERED FROM 20 MILES SOUTHWEST OF FORT DODGE...NEAR ROCKWELL CITY...THROUGH FORT DODGE...TO 25 MILES SOUTHWEST OF MASON CITY...NEAR BELMOND. THESE STORMS ARE CABABLE OF PRODUCING LARGE HAIL...DAMAGING WINDS...FREQUENT LIGHTNING AND FLOODING RAINFALL. THESE THUNDERSTORMS WERE PART OF A LARGER AREA OF SCATTERED SHOWERS AND THUNDERSTORMS LOCATED IN A 90 MILE WIDE AREA CENTERED FROM 10 MILES NORTH OF AMES TO 75 MILES NORTH OF SIOUX CITY...NEAR ROCK RAPIDS. ALL PRECIPITATION WAS MOVING SOUTHEAST AT 20 MILES AN HOUR. PETERSEN
Special weather statement, Jun 6, 8:28 PM CDT, 4 minutes before
IAZ006-007-008-016-017-018-026-027-028-038-070230- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE WATERLOO IA 828 PM CDT MON JUN 6 1994 ...A SEVERE THUNDERSTORM WATCH CONTINUE FOR PORTIONS OF NORTH CENTRAL AND NORTHEAST IOWA UNTIL MIDNIGHT TONIGHT... AT 825 PM...SHOWERS AND ISOLATED STRONG THUNDERSTORMS CONTINUED ACROSS THOSE SECTIONS OF NORTH CENTRAL IOWA TO THE WEST OF HIGHWAY 63. THE MOST INTENSE OF THESE THUNDERSTORMS WILL MOVE THROUGH THE TOWNS OF CONRAD AND WHITMAN IN SOUTHWEST GRUNDY COUNTY AROUND 845 PM. THESE STORMS HAVE A HISTORY OF PRODUCING TORRENTIAL RAINS...SMALL HAIL...IN ADDITION TO 40 TO 50 MPH WIND GUSTS. THE PUBLIC SHOULD STAY TUNED TO NOAA WEATHER RADIO OR THEIR LOCAL COMMERCIAL TV AND RADIO STATIONS FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. TRS
Special weather statement, Jun 6, 8:28 PM CDT, 4 minutes before
IAZ006-007-008-016-017-018-026-027-028-038-070230- SPECIAL WEATHER STATEMENT...CORRECTION FOR HEADLINE... NATIONAL WEATHER SERVICE WATERLOO IA 828 PM CDT MON JUN 6 1994 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR PORTIONS OF NORTH CENTRAL AND NORTHEAST IOWA UNTIL MIDNIGHT TONIGHT... AT 825 PM...SHOWERS AND ISOLATED STRONG THUNDERSTORMS CONTINUED ACROSS THOSE SECTIONS OF NORTH CENTRAL IOWA TO THE WEST OF HIGHWAY 63. THE MOST INTENSE OF THESE THUNDERSTORMS WILL MOVE THROUGH THE TOWNS OF CONRAD AND WHITMAN IN SOUTHWEST GRUNDY COUNTY AROUND 845 PM. THESE STORMS HAVE A HISTORY OF PRODUCING TORRENTIAL RAINS...SMALL HAIL...IN ADDITION TO 40 TO 50 MPH WIND GUSTS. THE PUBLIC SHOULD STAY TUNED TO NOAA WEATHER RADIO OR THEIR LOCAL COMMERCIAL TV AND RADIO STATIONS FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. TRS
Special weather statement, Jun 6, 8:32 PM CDT, 0 minutes before
IAZ006-007-008-016-017-018-026-027-028-038-070230- SPECIAL WEATHER STATEMENT...CORRECTION FOR HEADLINE... NATIONAL WEATHER SERVICE WATERLOO IA 828 PM CDT MON JUN 6 1994 ...A SEVERE THUNDERSTORM WATCH CONTINUES FOR PORTIONS OF NORTH CENTRAL AND NORTHEAST IOWA UNTIL MIDNIGHT TONIGHT... AT 825 PM...SHOWERS AND ISOLATED STRONG THUNDERSTORMS CONTINUED ACROSS THOSE SECTIONS OF NORTH CENTRAL IOWA TO THE WEST OF HIGHWAY 63. THE MOST INTENSE OF THESE THUNDERSTORMS WILL MOVE THROUGH THE TOWNS OF CONRAD AND WHITMAN IN SOUTHWEST GRUNDY COUNTY AROUND 845 PM. THESE STORMS HAVE A HISTORY OF PRODUCING TORRENTIAL RAINS...SMALL HAIL...IN ADDITION TO 40 TO 50 MPH WIND GUSTS. THE PUBLIC SHOULD STAY TUNED TO NOAA WEATHER RADIO OR THEIR LOCAL COMMERCIAL TV AND RADIO STATIONS FOR ADDITIONAL STATEMENTS AND POSSIBLE WARNINGS. TRS
The office that day
Everything else NWS Des Moines, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 6, 7:39 PM CDT | Severe Thunderstorm Warning | DMX | Franklin | 29 min |
| Jun 6, 7:52 PM CDT | Severe Thunderstorm Warning | DMX | Webster | 38 min |
| Jun 6, 8:02 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 43 min |
| Jun 6, 8:25 PM CDT | Tornado Warning | DMX | Boone | 50 min |
| Jun 6, 9:01 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 40 min |
| Jun 6, 9:17 PM CDT | Severe Thunderstorm Warning | DMX | Marshall | 30 min |
| Jun 6, 9:25 PM CDT | Severe Thunderstorm Warning | DMX | Polk, Story | 31 min |
| Jun 7, 4:02 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 28 min |
| Jun 7, 4:19 PM CDT | Tornado Warning | DMX | Benton | 26 min |
| Jun 7, 4:41 PM CDT | Severe Thunderstorm Warning | DMX | Linn | 49 min |
| Jun 7, 4:52 PM CDT | Severe Thunderstorm Warning | DMX | Benton | 15 min |
| Jun 7, 5:20 PM CDT | Severe Thunderstorm Warning | DMX | Johnson | 30 min |
| Jun 7, 5:57 PM CDT | Severe Thunderstorm Warning | DMX | Johnson | 33 min |
| Jun 7, 6:16 PM CDT | Severe Thunderstorm Warning | DMX | Greene | 44 min |
| Jun 7, 6:43 PM CDT | Severe Thunderstorm Warning | DMX | Boone | 47 min |
Nearby
Severe Thunderstorm Warnings in Iowa, 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.