Alert archive / Minnesota / Special Weather Statements in 2021
Special Weather Statement, NWS Duluth, MN
NWS Duluth, MN issued this special weather statement at Jul 31, 2021, 1:20 AM CDT for Lake County, Minnesota. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 31, 2021, 1:20 AM CDT (06:20 UTC)
- Expired
- Jul 31, 2021, 1:45 AM CDT
- In force
- 25 min
- Issued by
- NWS Duluth, MN
County Lake County, MN
The radar
The Duluth radar (KDLH), 119 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 nearest sounding before it
International Fa, MN (KINL), launched 00:00Z, 6.3 hours before the alert went out and 180 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
- 16 J/kg
- Mixed-layer CIN
- -79 J/kg
- Mixed-layer LCL
- 2090 m above ground
- 0-6 km bulk shear
- 44 kt
- 0-1 km storm-relative helicity
- 73 m²/s²
- 0-3 km storm-relative helicity
- 159 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 31, 12:31 AM CDT, 49 minutes earlier.
Area forecast discussion, Jul 31, 12:31 AM CDT, 49 minutes before
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</html>Hazardous weather outlook, Jul 30, 3:59 PM CDT, 9 hours 21 minutes before
Hazardous Weather Outlook National Weather Service Duluth MN 359 PM CDT Fri Jul 30 2021 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-312100- Koochiching-North St. Louis-Northern Cook/Northern Lake- North Itasca-Central St. Louis-Southern Lake/North Shore- Southern Cook/North Shore-North Cass-South Itasca-South Cass- Crow Wing-Northern Aitkin-South Aitkin-Carlton/South St. Louis- Pine-Douglas-Bayfield-Ashland-Iron-Burnett-Washburn-Sawyer-Price- 359 PM CDT Fri Jul 30 2021 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...This afternoon and Tonight Smoke from Canadian wildfires will spread across the Northland again through Tonight. This will lead to reduced air quality and visibilities. Air Quality Alerts have been issued for all of the outlook area for tonight. There is a chance of thunderstorms tonight. No severe storms are forecast. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Poor air quality conditions are expected to continue through at least Sunday, with Air Quality Alerts currently in effect. There is a chance of thunderstorms Saturday and Saturday night, and again Tuesday, Thursday and Friday next week. .SPOTTER INFORMATION STATEMENT... Skywarn spotter activation is not anticipated this afternoon or tonight. LSZ121-140>148-150-312100- 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- Outer Apostle Islands Beyond 5 NM from Mainland- 359 PM CDT Fri Jul 30 2021 This Hazardous Weather Outlook is for portions of Lake Superior and the Nearshore waters of western Lake Superior. .DAY ONE...This afternoon and Tonight There is a chance of thunderstorms tonight. No severe storms are forecast. .DAYS TWO THROUGH SEVEN...Saturday through Thursday There is a chance of thunderstorms Saturday and Saturday night, and again Tuesday, Thursday and Friday next week. LE More information may be obtained at the following web address: http://www.weather.gov/duluth (all lower case)
In the hours before
Special weather statement, Jul 30, 11:43 PM CDT, 1 hour 37 minutes before
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</html>Special weather statement, Jul 30, 11:45 PM CDT, 1 hour 35 minutes before
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</html>Special weather statement, Jul 31, 1:20 AM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 30, 9:21 PM CDT | Small Craft Advisory | DLH | 9 hr | |
| Jul 31, 4:30 PM CDT | Special Weather Statement | DLH | Price | 15 min |
| Jul 31, 5:41 PM CDT | Special Weather Statement | DLH | Price | 19 min |
Nearby
Special Weather Statements in Minnesota, 2021Every special weather statement in 2021
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.