Alert archive / South Dakota / Severe Thunderstorm Warnings in 2007
Severe Thunderstorm Warning 87, NWS Aberdeen, SD
NWS Aberdeen, SD issued this severe thunderstorm warning at Jun 11, 2007, 1:21 AM CDT for McPherson County, South Dakota. It was in force for 24 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
- Jun 11, 2007, 1:21 AM CDT (06:21 UTC)
- Expired
- Jun 11, 2007, 1:45 AM CDT
- In force
- 24 min
- Issued by
- NWS Aberdeen, SD
- Area
- Counties, with a storm outline in the text
County McPherson County, SD
The radar
The Aberdeen radar (KABR), 72 km from the middle of the area, began a volume at 06:21 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 |
|---|---|---|---|
| Jun 10, 11:47 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 6.4 hours before the alert went out and 116 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
- 94 J/kg
- Mixed-layer CIN
- -105 J/kg
- Mixed-layer LCL
- 2753 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 4 m²/s²
- 0-3 km storm-relative helicity
- 55 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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 Aberdeen, SD wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 11, 12:06 AM CDT, 1 hour 15 minutes earlier.
Area forecast discussion, Jun 11, 12:06 AM CDT, 1 hour 15 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>Hazardous weather outlook, Jun 10, 3:13 PM CDT, 10 hours 8 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED NATIONAL WEATHER SERVICE ABERDEEN SD 313 PM CDT SUN JUN 10 2007 MNZ039-046-SDZ007-008-011-112015- TRAVERSE-BIG STONE-MARSHALL-ROBERTS-DAY- 313 PM CDT SUN JUN 10 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF WEST CENTRAL MINNESOTA AND NORTHEAST SOUTH DAKOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT THUNDERSTORMS ARE POSSIBLE THIS EVENING THROUGH THE OVERNIGHT ACROSS FAR NORTHEASTERN SOUTH DAKOTA AND EXTREME WEST CENTRAL MINNESOTA. THE MAIN THREAT FROM ANY STORMS WOULD BE LIGHTNING AND SMALL HAIL. A FEW STRONG STORMS ARE POSSIBLE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THUNDERSTORMS ARE POSSIBLE BEGINNING TUESDAY AND LASTING THROUGH WEDNESDAY EVENING. SOME STORMS COULD BECOME SEVERE TUESDAY NIGHT AND WEDNESDAY...WITH HEAVY RAIN AND HAIL POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED AFTER 10 PM CDT...MAINLY ALONG AND EAST OF INTERSTATE 29. SDZ003>006-009-010-112015- CORSON-CAMPBELL-MCPHERSON-BROWN-WALWORTH-EDMUNDS- 313 PM CDT SUN JUN 10 2007 /213 PM MDT SUN JUN 10 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL SOUTH DAKOTA AND NORTHEAST SOUTH DAKOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT A FEW THUNDERSTORMS ARE POSSIBLE THIS EVENING ACROSS PORTIONS OF NORTH CENTRAL AND NORTHEASTERN SOUTH DAKOTA. ACTIVITY WILL REMAIN ISOLATED TO WIDELY SCATTERED IF ANY STORMS CAN DEVELOP. A STRONG STORM OR TWO MAY FORM WITH SMALL HAIL AND GUSTY WINDS BEING THE MAIN THREATS. THUNDERSTORMS ARE ALSO POSSIBLE LATER TONIGHT...BUT ACTIVITY SHOULD REMAIN BELOW SEVERE LIMITS. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THUNDERSTORMS ARE POSSIBLE MONDAY EVENING ACROSS CENTRAL SOUTH DAKOTA. SOME STORMS COULD BECOME SEVERE WITH HAIL AND GUSTY WINDS BEING THE MAIN THREATS. CHANCES FOR STORMS WILL CONTINUE INTO MID WEEK WITH HEAVY RAIN POSSIBLE IN SOME LOCATIONS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION MAY BE NEEDED...MAINLY BETWEEN 8 PM CDT AND MIDNIGHT CDT...AND MAINLY ALONG AND SOUTH OF A LINE FROM MOBRIDGE TO HECLA. SDZ015>018-033>037-045-048-051-112015- DEWEY-POTTER-FAULK-SPINK-STANLEY-SULLY-HUGHES-HYDE-HAND-JONES- LYMAN-BUFFALO- 313 PM CDT SUN JUN 10 2007 /213 PM MDT SUN JUN 10 2007/ THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL SOUTH DAKOTA...NORTH CENTRAL SOUTH DAKOTA AND NORTHEAST SOUTH DAKOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT SEVERE THUNDERSTORM WATCH 377 IN EFFECT UNTIL 10 PM CDT THIS EVENING...WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS FROM ANY SEVERE STORMS THAT DEVELOP. ADDITIONAL THUNDERSTORM REDEVELOPMENT IS POSSIBLE LATE TONIGHT BUT IS NOT EXPECTED TO BE SEVERE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THUNDERSTORMS ARE POSSIBLE MONDAY EVENING ACROSS CENTRAL SOUTH DAKOTA. SOME STORMS COULD BECOME SEVERE WITH HAIL AND GUSTY WINDS BEING THE MAIN THREATS. CHANCES FOR STORMS WILL CONTINUE INTO MID WEEK WITH HEAVY RAIN POSSIBLE IN SOME LOCATIONS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS REQUESTED UNTIL 10 PM CDT...MAINLY ALONG AND SOUTH OF A LINE FROM EAGLE BUTTE TO MELLETE. PLEASE REMAIN VIGILANT. REPORT ANY OBSERVED SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL LAW ENFORCEMENT AGENCY. SDZ019>023-112015- CLARK-CODINGTON-GRANT-HAMLIN-DEUEL- 313 PM CDT SUN JUN 10 2007 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHEAST SOUTH DAKOTA. .DAY ONE...THIS AFTERNOON AND TONIGHT SEVERE THUNDERSTORM WATCH 377 IN EFFECT UNTIL 10 PM CDT THIS EVENING...WITH LARGE HAIL AND DAMAGING WINDS THE MAIN THREATS FROM ANY SEVERE STORMS THAT DEVELOP. ADDITIONAL THUNDERSTORM REDEVELOPMENT IS POSSIBLE LATE TONIGHT BUT IS NOT EXPECTED TO BE SEVERE. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY THUNDERSTORMS ARE POSSIBLE BEGINNING TUESDAY AND LASTING THROUGH WEDNESDAY EVENING. SOME STORMS COULD BECOME SEVERE TUESDAY NIGHT AND WEDNESDAY...WITH HEAVY RAIN AND HAIL POSSIBLE. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS REQUESTED UNTIL 10 PM CDT...MAINLY ALONG AND SOUTH OF A LINE FROM BRADLEY TO MILBANK. PLEASE REMAIN VIGILANT. REPORT ANY OBSERVED SEVERE WEATHER TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL LAW ENFORCEMENT AGENCY. DORN
In the hours before
Local storm report, Jun 10, 8:28 PM CDT, 4 hours 53 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>Local storm report, Jun 10, 9:40 PM CDT, 3 hours 41 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>The office that day
Everything else NWS Aberdeen, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 10, 10:23 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 52 min |
| Jun 10, 11:04 PM CDT | Severe Thunderstorm Warning | ABR | Campbell, Corson | 41 min |
| Jun 10, 11:15 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 45 min |
| Jun 10, 11:27 PM CDT | Severe Thunderstorm Warning | ABR | Campbell | 22 min |
| Jun 10, 11:54 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 36 min |
| Jun 11, 12:45 AM CDT | Severe Thunderstorm Warning | ABR | McPherson | 30 min |
| Jun 11, 1:22 PM CDT | Flash Flood Watch | ABR | Brown, Buffalo, Campbell, Clark, Codington, Corson and 20 more | 50 hr |
| Jun 11, 6:19 PM CDT | Severe Thunderstorm Warning | ABR | Corson | 56 min |
| Jun 11, 6:49 PM CDT | Severe Thunderstorm Warning | ABR | Dewey | 56 min |
| Jun 10, 7:59 PM CDT | Severe Thunderstorm Warning | ABR | Big Stone, Traverse | 30 min |
Nearby
Severe Thunderstorm Warnings in South Dakota, 2007Every severe thunderstorm warning in 2007
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.