Alert archive / Minnesota / Areal Flood Warnings in 2013

Areal Flood Warning 11, NWS Twin Cities, MN

July 13, 201310 counties in Minnesota

NWS Twin Cities, MN issued this areal flood warning at Jul 13, 2013, 1:55 PM CDT for 10 counties in Minnesota. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jul 13, 2013, 1:55 PM CDT (18:55 UTC)
Expired: Jul 13, 2013, 8:00 PM CDT
In force: 6 hr
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Flood severity: None

Counties Blue Earth County, MN, Dakota County, MN, Faribault County, MN, Freeborn County, MN, Goodhue County, MN, Le Sueur County, MN, Rice County, MN, Scott County, MN, Steele County, MN, Waseca County, MN

The radar

The Minneapolis radar (KMPX), 74 km from the middle of the area, began a volume at 18:58 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 12:00Z, 6.9 hours before the alert went out and 74 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 488 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 58 m²/s²
0-3 km storm-relative helicity: 318 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 areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this areal flood warning went out at Jul 13, 1:31 PM CDT, 24 minutes earlier.

Area forecast discussion, Jul 13, 1:31 PM CDT, 24 minutes before

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Hazardous weather outlook, Jul 13, 12:52 PM CDT, 1 hour 3 minutes before

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In the hours before

Local storm report, Jul 13, 12:48 PM CDT, 1 hour 7 minutes before

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Local storm report, Jul 13, 12:52 PM CDT, 1 hour 3 minutes before

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Local storm report, Jul 13, 1:03 PM CDT, 52 minutes before

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        Please try again in a few minutes.
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Local storm report, Jul 13, 1:08 PM CDT, 47 minutes before

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        Please try again in a few minutes.
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        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jul 13, 1:09 PM CDT, 46 minutes before

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      <p id="message2">
        Please try again in a few minutes.
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      <p class="small" id="detail">
        If you are an administrator, restore upstream service and remove the redirect/fallback rule when normal operations resume.
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Local storm report, Jul 13, 1:26 PM CDT, 29 minutes before

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  <main class="wrap">
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      <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.
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The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 12, 9:47 PM CDT	Special Weather Statement	MPX	Douglas, Pope, Stevens	73 min
Jul 12, 10:22 PM CDT	Special Weather Statement	MPX	Douglas	53 min
Jul 12, 10:55 PM CDT	Special Weather Statement	MPX	Douglas, Todd	50 min
Jul 13, 3:38 AM CDT	Special Weather Statement	MPX	Anoka, Carver, Chisago, Dakota, Hennepin, Isanti and 4 more	52 min
Jul 13, 4:22 AM CDT	Areal Flood Advisory	MPX	Anoka, Carver, Dakota, Hennepin, Isanti, Ramsey and 2 more	4 hr
Jul 13, 6:35 AM CDT	Flash Flood Warning	MPX	Dakota, Hennepin, Rice, Scott	4 hr
Jul 13, 8:08 AM CDT	Flash Flood Warning	MPX	Rice	6 hr
Jul 13, 8:33 AM CDT	Flash Flood Warning	MPX	Faribault, Freeborn, Steele, Waseca	3 hr
Jul 13, 9:02 AM CDT	Flash Flood Warning	MPX	Goodhue	3 hr
Jul 13, 10:32 AM CDT	Flash Flood Warning	MPX	Dakota, Rice, Scott	3 hr
Jul 13, 1:28 PM CDT	Flash Flood Warning	MPX	Dakota, Rice, Scott	12 hr

Nearby

Areal Flood Warnings in Minnesota, 2013 Every areal flood warning in 2013

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.