Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 69, NWS Duluth, MN

June 14, 20084 counties in Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jun 14, 2008, 10:29 PM CDT for 4 counties in Minnesota. It was in force for 46 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 14, 2008, 10:29 PM CDT (03:29 UTC)
Expired
Jun 14, 2008, 11:15 PM CDT
In force
46 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon

Counties Aitkin County, MN, Cass County, MN, Crow Wing County, MN, Itasca County, MN

The radar

The Duluth radar (KDLH), 126 km from the middle of the area, began a volume at 03:29 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.

IssuedProductOfficeLasted
Jun 14, 6:54 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 3.5 hours before the alert went out and 192 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.

Skew-T log-pSkew-T log-p diagram, International Fa, MN at 00:00Z on 2008-06-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 27 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 00:00Z on 2008-06-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
27 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1696 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
124 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

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 Duluth, MN wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 14, 10:04 PM CDT, 25 minutes earlier.

Area forecast discussion, Jun 14, 10:04 PM CDT, 25 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 14, 3:54 PM CDT, 6 hours 35 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED...
NATIONAL WEATHER SERVICE DULUTH MN
354 PM CDT SAT JUN 14 2008

MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-151030-
KOOCHICHING-NORTHERN ST. LOUIS-NORTHERN COOK/NORTHERN LAKE-
NORTHERN ITASCA-CENTRAL ST. LOUIS-SOUTHERN LAKE/LAKESHORE-
SOUTHERN COOK/LAKESHORE-NORTHERN CASS-SOUTHERN ITASCA-
SOUTHERN CASS-CROW WING-NORTHERN AITKIN-SOUTHERN AITKIN-
CARLTON/SOUTHERN ST. LOUIS-PINE-DOUGLAS-BAYFIELD-ASHLAND-IRON-
BURNETT-WASHBURN-SAWYER-PRICE-
354 PM CDT SAT JUN 14 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST MINNESOTA AND
NORTHWEST WISCONSIN.

.DAY ONE...THIS EVENING AND OVERNIGHT TONIGHT

SCATTERED STRONG TO SEVERE THUNDERSTORMS WILL CONTINUE TO ORGANIZE
THIS EVENING OVER THE DAKOTAS AND NORTHWEST AND WESTERN
MINNESOTA...AND ARE EXPECTED TO ORGANIZE INTO A COMPLEX OF SHOWERS
AND THUNDERSTORMS THAT WILL MOVE EASTWARD ACROSS MINNESOTA AND
NORTHERN WISCONSIN TONIGHT. A FEW OF THESE STORMS MAY REACH SEVERE
LEVELS... WITH A PRIMARY THREAT OF PENNY TO NICKEL SIZE HAIL AND
DAMAGING WIND GUSTS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ADDITIONAL THUNDERSTORMS WILL POSSIBLE ON SUNDAY...AND AGAIN MONDAY
NIGHT... AND WEDNESDAY NIGHT AND THURSDAY.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION MAY BE NEEDED LATER THIS EVENING OR
OVERNIGHT.

LSZ121-140>148-151030-
BAYFIELD TO OAK POINT WI-GRAND PORTAGE TO GRAND MARAIS MN-
GRAND MARAIS TO TACONITE HARBOR MN-
TACONITE HARBOR TO SILVER BAY HARBOR MN-
SILVER BAY HARBOR TO TWO HARBORS MN-TWO HARBORS TO DULUTH MN-
DULUTH MN TO PORT WING WI-PORT WING TO SAND ISLAND WI-SAND ISLAND TO
BAYFIELD WI-OAK POINT TO SAXON HARBOR WI-
354 PM CDT SAT JUN 14 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE NEARSHORE WATERS OF
WESTERN LAKE SUPERIOR.

.DAY ONE...THIS EVENING AND OVERNIGHT TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED OVERNIGHT... AND MAY PRODUCE
LIGHTNING...LOCALLY GUSTY WINDS AND HIGHER WAVES AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ADDITIONAL THUNDERSTORMS WILL POSSIBLE ON SUNDAY...AND AGAIN MONDAY
NIGHT... AND WEDNESDAY NIGHT AND THURSDAY.

In the hours before

Local storm report, Jun 14, 9:27 PM CDT, 1 hour 2 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 Duluth, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 14, 7:15 PM CDTSevere Thunderstorm WarningDLHCass, Itasca43 min
Jun 14, 7:39 PM CDTTornado WarningDLHItasca, Koochiching36 min
Jun 14, 8:07 PM CDTSevere Thunderstorm WarningDLHKoochiching, Saint Louis38 min
Jun 14, 8:13 PM CDTTornado WarningDLHItasca, Koochiching40 min
Jun 14, 8:48 PM CDTSevere Thunderstorm WarningDLHSaint Louis29 min
Jun 14, 8:51 PM CDTSevere Thunderstorm WarningDLHAitkin, Cass, Itasca24 min
Jun 14, 8:52 PM CDTSevere Thunderstorm WarningDLHAitkin, Carlton, Pine38 min
Jun 14, 9:27 PM CDTSevere Thunderstorm WarningDLHCass, Crow Wing, Itasca63 min
Jun 14, 10:25 PM CDTSevere Thunderstorm WarningDLHCass, Itasca, Koochiching50 min
Jun 15, 4:53 PM CDTSevere Thunderstorm WarningDLHSawyer, Washburn37 min
Jun 15, 5:07 PM CDTSevere Thunderstorm WarningDLHPrice, Sawyer23 min
Jun 15, 5:20 PM CDTSevere Thunderstorm WarningDLHAshland, Price, Sawyer40 min
Jun 15, 5:28 PM CDTSevere Thunderstorm WarningDLHSawyer42 min
Jun 15, 5:49 PM CDTSevere Thunderstorm WarningDLHAshland, Price22 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning in 2008

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.