Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 32, NWS Duluth, MN

July 5, 2014Cass County, Itasca County, Minnesota

NWS Duluth, MN issued this severe thunderstorm warning at Jul 5, 2014, 10:24 PM CDT for Cass County, Itasca County, Minnesota. It was in force for 36 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
Jul 5, 2014, 10:24 PM CDT (03:24 UTC)
Expired
Jul 5, 2014, 11:00 PM CDT
In force
36 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Cass County, MN, Itasca County, MN

The radar

The Duluth radar (KDLH), 141 km from the middle of the area, began a volume at 03:25 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

International Fa, MN (KINL), launched 00:00Z, 3.4 hours before the alert went out and 157 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 2014-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3255 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 2014-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 131 square meters per square second.1939Sfc1 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
3255 J/kg
Mixed-layer CIN
-8 J/kg
Mixed-layer LCL
989 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
131 m²/s²
0-3 km storm-relative helicity
176 m²/s²
Significant tornado parameter
2.0
Supercell composite
12.2

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 Jul 5, 9:44 PM CDT, 40 minutes earlier.

Area forecast discussion, Jul 5, 9:44 PM CDT, 40 minutes before
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Hazardous weather outlook, Jul 5, 9:48 PM CDT, 36 minutes before
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In the hours before

Special weather statement, Jul 5, 8:16 PM CDT, 2 hours 8 minutes before
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Special weather statement, Jul 5, 8:48 PM CDT, 1 hour 36 minutes before
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Jul 5, 9:20 PM CDT, 1 hour 4 minutes before
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Special weather statement, Jul 5, 9:20 PM CDT, 1 hour 4 minutes before
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Special weather statement, Jul 5, 9:39 PM CDT, 45 minutes before
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Local storm report, Jul 5, 10:02 PM CDT, 22 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 5, 7:02 PM CDTFlash Flood WarningDLHCook6 hr
Jul 5, 7:31 PM CDTSpecial Weather StatementDLHCook44 min
Jul 5, 7:49 PM CDTSpecial Weather StatementDLHBeltrami41 min
Jul 5, 8:05 PM CDTSevere Thunderstorm WarningDLHItasca, Koochiching55 min
Jul 5, 8:16 PM CDTSpecial Weather StatementDLHCook29 min
Jul 5, 8:48 PM CDTSpecial Weather StatementDLHCook27 min
Jul 5, 8:57 PM CDTSevere Thunderstorm WarningDLHCass, Itasca63 min
Jul 5, 9:20 PM CDTSpecial Weather StatementDLHCass40 min
Jul 5, 9:39 PM CDTSpecial Weather StatementDLHItasca51 min
Jul 5, 10:32 PM CDTSpecial Weather StatementDLHItasca58 min
Jul 5, 11:15 PM CDTSpecial Weather StatementDLHItasca60 min
Jul 5, 11:31 PM CDTSevere Thunderstorm WarningDLHAitkin, Itasca44 min
Jul 6, 12:09 AM CDTSpecial Weather StatementDLHAitkin36 min
Jul 6, 12:12 AM CDTSevere Thunderstorm WarningDLHAitkin48 min
Jul 6, 12:27 AM CDTSpecial Weather StatementDLHCook63 min
Jul 6, 12:40 AM CDTSpecial Weather StatementDLHCass35 min
Jul 6, 12:52 AM CDTSpecial Weather StatementDLHCarlton23 min
Jul 6, 1:20 AM CDTSpecial Weather StatementDLHCass55 min
Jul 6, 1:36 AM CDTSpecial Weather StatementDLHWadena54 min
Jul 6, 1:47 AM CDTSpecial Weather StatementDLHCook43 min
Jul 6, 2:25 AM CDTSpecial Weather StatementDLHLake35 min
Jul 6, 2:29 AM CDTSpecial Weather StatementDLHCook31 min
Jul 6, 2:34 AM CDTSpecial Weather StatementDLH26 min
Jul 6, 3:04 AM CDTSpecial Weather StatementDLH26 min
Jul 6, 3:11 AM CDTSpecial Weather StatementDLHCarlton19 min
Jul 6, 4:24 AM CDTSpecial Weather StatementDLHLake21 min
Jul 6, 4:27 AM CDTSpecial Weather StatementDLHKoochiching33 min
Jul 6, 5:54 AM CDTSpecial Weather StatementDLHCass36 min
Jul 6, 6:35 AM CDTSpecial Weather StatementDLHCass, Crow Wing40 min
Jul 6, 7:48 AM CDTSpecial Weather StatementDLHAitkin42 min
Jul 6, 8:31 AM CDTSpecial Weather StatementDLHAitkin14 min
Jul 6, 8:53 AM CDTSpecial Weather StatementDLHAitkin37 min
Jul 6, 10:46 AM CDTSpecial Weather StatementDLHSaint Louis29 min
Jul 6, 11:17 AM CDTSpecial Weather StatementDLH13 min
Jul 6, 11:30 AM CDTSpecial Weather StatementDLH30 min
Jul 6, 12:00 PM CDTSpecial Weather StatementDLH15 min
Jul 6, 12:15 PM CDTSpecial Weather StatementDLHLake15 min
Jul 6, 1:09 PM CDTSpecial Weather StatementDLHItasca36 min
Jul 6, 1:11 PM CDTSpecial Weather StatementDLH34 min
Jul 6, 1:24 PM CDTSpecial Weather StatementDLH21 min
Jul 6, 1:40 PM CDTSpecial Weather StatementDLH35 min
Jul 6, 1:46 PM CDTSpecial Weather StatementDLHItasca29 min
Jul 6, 1:50 PM CDTSpecial Weather StatementDLHSaint Louis25 min
Jul 6, 2:14 PM CDTSpecial Weather StatementDLHCook31 min
Jul 6, 2:18 PM CDTSpecial Weather StatementDLH12 min
Jul 6, 2:25 PM CDTSpecial Weather StatementDLHItasca35 min
Jul 6, 2:27 PM CDTSpecial Weather StatementDLHSaint Louis33 min
Jul 6, 2:33 PM CDTSpecial Weather StatementDLH27 min
Jul 6, 2:46 PM CDTSpecial Weather StatementDLHCook14 min
Jul 6, 2:57 PM CDTSpecial Weather StatementDLHLake33 min
Jul 6, 3:06 PM CDTSpecial Weather StatementDLHCook24 min
Jul 6, 3:10 PM CDTSpecial Weather StatementDLHSaint Louis35 min
Jul 6, 4:01 PM CDTSpecial Weather StatementDLHLake14 min
Jul 6, 6:05 PM CDTSpecial Weather StatementDLHCook40 min
Jul 6, 3:54 AM CDTSpecial Weather StatementDLHDouglas36 min
Jul 6, 5:57 AM CDTSpecial Weather StatementDLHIron, Price33 min
Jul 6, 6:37 AM CDTSpecial Weather StatementDLHPrice23 min
Jul 6, 4:04 PM CDTSpecial Weather StatementDLHIron26 min
Jul 6, 4:48 PM CDTSpecial Weather StatementDLHAshland, Iron, Sawyer, Washburn27 min
Jul 6, 5:20 PM CDTSpecial Weather StatementDLHIron25 min
Jul 6, 5:37 PM CDTSpecial Weather StatementDLHDouglas23 min
Jul 6, 5:43 PM CDTSpecial Weather StatementDLHPrice32 min
Jul 6, 6:03 PM CDTSpecial Weather StatementDLHSawyer27 min
Jul 6, 6:11 PM CDTSpecial Weather StatementDLHPrice34 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2014Every severe thunderstorm warning in 2014

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.