Alert archive / Minnesota / Flash Flood Watches in 2011

Flash Flood Watch 3, NWS Duluth, MN

June 27, 20117 counties in Minnesota

NWS Duluth, MN issued this flash flood watch at Jun 27, 2011, 3:19 AM CDT for 7 counties in Minnesota. It took effect at Jun 27, 2011, 4:00 AM CDT. It was in force for 10 hr.

The area

The counties it named.

The facts

Issued: Jun 27, 2011, 3:19 AM CDT (08:19 UTC)
In effect from: Jun 27, 2011, 4:00 AM CDT
Expired: Jun 27, 2011, 2:25 PM CDT
In force: 10 hr
Issued by: NWS Duluth, MN
Flood severity: None

Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Cook County, MN, Itasca County, MN, Lake County, MN, Saint Louis County, MN

The radar

The Duluth radar (KDLH), 54 km from the middle of the area, began a volume at 08:22 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 8.3 hours before the alert went out and 275 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 421 J/kg
Mixed-layer CIN: -102 J/kg
Mixed-layer LCL: 1132 m above ground
0-6 km bulk shear: 29 kt
0-1 km storm-relative helicity: 69 m²/s²
0-3 km storm-relative helicity: 301 m²/s²
Significant tornado parameter: 0.1
Supercell composite: 3.7

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flash flood watch 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 flash flood watch went out at Jun 27, 12:32 AM CDT, 2 hours 47 minutes earlier.

Area forecast discussion, Jun 27, 12:32 AM CDT, 2 hours 47 minutes before

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Hazardous weather outlook, Jun 26, 3:43 PM CDT, 11 hours 36 minutes before

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<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>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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        Please try again in a few minutes.
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The office that day

Everything else NWS Duluth, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 27, 4:14 AM CDT	Special Weather Statement	DLH	Itasca	31 min
Jun 27, 5:21 AM CDT	Special Weather Statement	DLH	Itasca, Saint Louis	29 min
Jun 27, 5:40 AM CDT	Special Weather Statement	DLH	Cass	20 min
Jun 27, 6:14 AM CDT	Special Weather Statement	DLH	Cass	16 min
Jun 27, 6:16 AM CDT	Special Weather Statement	DLH	Wadena	14 min
Jun 27, 6:38 AM CDT	Special Weather Statement	DLH	Cass	22 min
Jun 27, 6:56 AM CDT	Severe Thunderstorm Warning	DLH	Cass, Crow Wing	34 min
Jun 27, 7:04 AM CDT	Special Weather Statement	DLH	Aitkin, Cass, Crow Wing, Itasca	26 min
Jun 27, 7:54 AM CDT	Special Weather Statement	DLH	Aitkin	36 min
Jun 27, 7:58 AM CDT	Areal Flood Advisory	DLH	Aitkin, Cass, Cook, Crow Wing, Itasca, Koochiching and 2 more	4 hr
Jun 27, 8:15 AM CDT	Special Weather Statement	DLH	Itasca	35 min
Jun 27, 8:26 AM CDT	Flash Flood Warning	DLH	Itasca, Saint Louis	4 hr
Jun 27, 8:42 AM CDT	Severe Thunderstorm Warning	DLH	Aitkin, Itasca, Saint Louis	48 min
Jun 27, 9:26 AM CDT	Special Weather Statement	DLH	Saint Louis	49 min
Jun 27, 10:50 AM CDT	Special Weather Statement	DLH	Saint Louis	55 min
Jun 27, 12:17 PM CDT	Areal Flood Warning	DLH	Itasca, Saint Louis	3 hr
Jun 27, 2:58 PM CDT	Special Weather Statement	DLH	Cook	62 min
Jun 27, 3:16 PM CDT	Special Weather Statement	DLH		44 min
Jun 27, 10:40 AM CDT	Special Weather Statement	DLH	Douglas	65 min
Jun 27, 11:48 AM CDT	Special Weather Statement	DLH	Douglas	57 min
Jun 27, 3:30 PM CDT	Special Weather Statement	DLH	Price	30 min
Jun 27, 4:31 PM CDT	Special Weather Statement	DLH	Price	9 min

Nearby

Flash Flood Watches in Minnesota, 2011 Every flash flood watch in 2011

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.