Alert archive / Minnesota / Flash Flood Warnings in 2019
Flash Flood Warning 9, NWS Duluth, MN
NWS Duluth, MN issued this flash flood warning at Sep 30, 2019, 9:33 AM CDT for Carlton County, Pine County, Minnesota; Douglas County, Wisconsin. 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
- Sep 30, 2019, 9:33 AM CDT (14:33 UTC)
- Expired
- Sep 30, 2019, 3:30 PM CDT
- In force
- 6 hr
- Issued by
- NWS Duluth, MN
- Area
- Storm-based polygon
- Flood severity
- None
Counties Carlton County, MN, Pine County, MN, Douglas County, WI
The radar
The Duluth radar (KDLH), 52 km from the middle of the area, began a volume at 14:32 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, 2.6 hours before the alert went out and 194 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
- 361 J/kg
- Mixed-layer CIN
- -207 J/kg
- Mixed-layer LCL
- 678 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 514 m²/s²
- 0-3 km storm-relative helicity
- 512 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.9
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at Sep 30, 7:13 AM CDT, 2 hours 20 minutes earlier.
Area forecast discussion, Sep 30, 7:13 AM CDT, 2 hours 20 minutes before
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Hazardous Weather Outlook National Weather Service Duluth MN 428 AM CDT Mon Sep 30 2019 MNZ010>012-018>021-025-026-033>038-WIZ001>004-006>009-011030- 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- 428 AM CDT Mon Sep 30 2019 This Hazardous Weather Outlook is for portions of northeast Minnesota and northwest Wisconsin. .DAY ONE...Today and Tonight Torrential rain this morning over saturated soils has led to a flood watch being issued for east central Minnesota into northwest Wisconsin until Noon. Isolated severe thunderstorms are possible this afternoon and evening. Large hail, gusty winds and heavy rain will be the main hazards. Strong east to northeast winds will lead to the threat of rip currents through this evening for areas near the Twin Ports, including the beaches of Duluth and Superior. A Beach Hazards Statement has been issued for these areas. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Skywarn spotters may be needed this afternoon and evening in northeast Minnesota and northwest Wisconsin. LSZ121-140>148-011030- 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- 428 AM CDT Mon Sep 30 2019 This Hazardous Weather Outlook is for portions of the Nearshore waters of western Lake Superior. .DAY ONE...Today and Tonight Conditions hazardous to smaller vessels will continue this morning and into the afternoon. Winds will gradually subside through the day, but large waves will linger into the afternoon. Please see the Nearshore Marine Forecast and Marine Weather Message for more details. Thunderstorm chances will remain in the picture over western Lake Superior through the evening hours tonight. Some storms could be strong to severe, especially late this afternoon and evening. Large hail and some strong, gusty winds are the main threats with any severe storms. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Northeast winds will strengthen Tuesday night into Wednesday, which could lead to conditions hazardous to smaller vessels through Wednesday evening. A Small Craft Advisory may be needed. GSF/JTS More information may be obtained at the following web address: http://www.weather.gov/duluth (all lower case)
In the hours before
Local storm report, Sep 30, 7:01 AM CDT, 2 hours 32 minutes before
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<h1 id="headline">This service is currently unavailable.</h1>
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Please try again in a few minutes.
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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 |
|---|---|---|---|---|
| Sep 29, 11:18 PM CDT | Special Weather Statement | DLH | Cass | 12 min |
| Sep 30, 1:21 AM CDT | Special Weather Statement | DLH | Pine | 24 min |
| Sep 30, 1:55 AM CDT | Special Weather Statement | DLH | Aitkin | 35 min |
| Sep 30, 2:49 AM CDT | Special Weather Statement | DLH | Pine | 11 min |
| Sep 30, 3:16 AM CDT | Flood Watch | DLH | Aitkin, Carlton, Pine, Saint Louis | 9 hr |
| Sep 30, 3:43 AM CDT | Beach Hazards Statement | DLH | Carlton, Saint Louis | 16 hr |
| Sep 30, 4:11 AM CDT | Areal Flood Advisory | DLH | Aitkin, Carlton, Pine | 3 hr |
| Sep 30, 5:27 AM CDT | Flash Flood Warning | DLH | Carlton, Pine | 6 hr |
| Sep 30, 7:19 AM CDT | Flash Flood Warning | DLH | Carlton, Pine | 3 hr |
| Sep 30, 11:32 AM CDT | Areal Flood Warning | DLH | Aitkin, Carlton, Pine | 27 hr |
| Sep 30, 3:24 PM CDT | Areal Flood Warning | DLH | Carlton, Pine | 23 hr |
| Sep 30, 6:03 PM CDT | Areal Flood Advisory | DLH | Aitkin, Crow Wing, Saint Louis | 3 hr |
| Sep 30, 3:50 AM CDT | Areal Flood Advisory | DLH | Sawyer, Washburn | 3 hr |
| Sep 30, 6:23 AM CDT | Flash Flood Warning | DLH | Douglas | 3 hr |
Nearby
Flash Flood Warnings in Minnesota, 2019Flash Flood Warnings in Wisconsin, 2019Every flash flood warning in 2019
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.