#MNwx #MNweather
755
FXUS63 KDLH 120924
AFDDLH

Area Forecast Discussion
National Weather Service Duluth MN
424 AM CDT Tue Sep 12 2023

.DISCUSSION...(Today through Monday)
Issued at 325 AM CDT Tue Sep 12 2023

Key Messages
1. Periodic rain/drizzle chances today

2. Frost Advisory issued for Wednesday morning

3. Warmer temperatures Thursday before another cool down and a
chance of precipitation

The upper level https://mesonet.agron.iastate.edu/p.php?pid=202309120924-KDLH-FXUS63-AFDDLH

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355
WWUS73 KDLH 120751
NPWDLH

URGENT - WEATHER MESSAGE
National Weather Service Duluth MN
251 AM CDT Tue Sep 12 2023

MNZ010>012-019>021-026-034>038-WIZ001>004-006>009-122000-
/O.NEW.KDLH.FR.Y.0007.230913T0700Z-230913T1300Z/
Koochiching-North St. Louis-Northern Cook and Lake-
Central St. Louis-Southern Lake-Southern Cook-South Itasca-
Crow Wing-Northern Aitkin-South Aitkin-
Carlton and South St. https://mesonet.agron.iastate.edu/vtec/f/2023-O-NEW-KDLH-FR-Y-0007_2023-09-13T07:00Z

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991
NWUS53 KDLH 120714
LSRDLH

Preliminary Local Storm Report
National Weather Service Duluth MN
214 AM CDT Tue Sep 12 2023

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1000 PM Flash Flood 2 NE Duluth 46.80N 92.09W
09/11/2023 St. Louis https://mesonet.agron.iastate.edu/lsr/#DLH/202309120300/202309120300

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930
CDUS43 KDLH 120624
CLIINL

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
124 AM CDT TUE SEP 12 2023

...................................

...THE INTERNATIONAL FALLS CLIMATE SUMMARY FOR SEPTEMBER 11 2023...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1895 TO 2023

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE https://mesonet.agron.iastate.edu/p.php?pid=202309120624-KDLH-CDUS43-CLIINL

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368
WGUS83 KDLH 120603
FLSDLH

Flood Advisory
National Weather Service Duluth MN
103 AM CDT Tue Sep 12 2023

MNC137-121000-
/O.NEW.KDLH.FA.Y.0027.230912T0603Z-230912T1000Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
St. Louis MN-
103 AM CDT Tue Sep 12 2023

...FLOOD ADVISORY IN EFFECT UNTIL 5 AM CDT EARLY THIS MORNING...

* WHAT...Urban and small stream flooding caused by excessive
https://mesonet.agron.iastate.edu/vtec/f/2023-O-NEW-KDLH-FA-Y-0027_2023-09-12T06:03Z

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715
FXUS63 KMPX 120602 AAB
AFDMPX

Area Forecast Discussion...UPDATED
National Weather Service Twin Cities/Chanhassen MN
102 AM CDT Tue Sep 12 2023

.DISCUSSION...(This evening through Monday)
Issued at 156 PM CDT Mon Sep 11 2023

KEY MESSAGES:

- A few chances for precipitation through the period, but amounts
will be minimal.

- High pressure and light winds Tuesday night will produce the
c https://mesonet.agron.iastate.edu/p.php?pid=202309120602-KMPX-FXUS63-AFDMPX-AAB

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056
WGUS73 KDLH 120559
FFSDLH

Flash Flood Statement
National Weather Service Duluth MN
1259 AM CDT Tue Sep 12 2023

MNC137-120609-
/O.EXP.KDLH.FF.W.0006.000000T0000Z-230912T0600Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
St. Louis MN-
1259 AM CDT Tue Sep 12 2023

...FLASH FLOOD WARNING WILL EXPIRE AT 1 AM CDT EARLY THIS MORNING
FOR SOUTHEASTERN ST. LOUIS COUNTY...

Flood waters ha https://mesonet.agron.iastate.edu/vtec/f/2023-O-EXP-KDLH-FF-W-0006_2023-09-12T05:59Z

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512
FXUS63 KDLH 120530
AFDDLH

Area Forecast Discussion
National Weather Service Duluth MN
1230 AM CDT Tue Sep 12 2023

.MESOSCALE UPDATE...
Issued at 1030 PM CDT Mon Sep 11 2023

Heavy rain leading to flash flooding has been observed around
downtown Duluth this evening. Dual-pol storm total accumulations
from KDLH are showing rainfall amounts within the Duluth city limits
ranging around 3 to https://mesonet.agron.iastate.edu/p.php?pid=202309120530-KDLH-FXUS63-AFDDLH

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635
NWUS53 KDLH 120521
LSRDLH

Preliminary Local Storm Report
National Weather Service Duluth MN
1221 AM CDT Tue Sep 12 2023

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1220 AM Rain 2 NNE Duluth 46.81N 92.09W
09/12/2023 M3.70 inch St. Louis https://mesonet.agron.iastate.edu/lsr/#DLH/202309120520/202309120520

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843
NWUS53 KDLH 120332
LSRDLH

Preliminary Local Storm Report
National Weather Service Duluth MN
1032 PM CDT Mon Sep 11 2023

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1005 PM Flash Flood 2 NE Duluth 46.80N 92.09W
09/11/2023 St. Louis https://mesonet.agron.iastate.edu/lsr/#DLH/202309120305/202309120305

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366
NWUS53 KDLH 120316
LSRDLH

Preliminary Local Storm Report
National Weather Service Duluth MN
1016 PM CDT Mon Sep 11 2023

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

1010 PM Flash Flood 1 ENE Duluth 46.79N 92.09W
09/11/2023 St. Louis https://mesonet.agron.iastate.edu/lsr/#DLH/202309120310/202309120310

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427
NWUS53 KDLH 120312
LSRDLH

Preliminary Local Storm Report
National Weather Service Duluth MN
1012 PM CDT Mon Sep 11 2023

..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..

0958 PM Flash Flood 3 NNE Duluth 46.82N 92.10W
09/11/2023 St. Louis https://mesonet.agron.iastate.edu/lsr/#DLH/202309120258/202309120258

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609
WHUS43 KDLH 120304
CFWDLH

Coastal Hazard Message
National Weather Service Duluth MN
1004 PM CDT Mon Sep 11 2023

MNZ037-WIZ001-120415-
/O.EXP.KDLH.BH.S.0021.000000T0000Z-230912T0300Z/
Carlton and South St. Louis-Douglas-
1004 PM CDT Mon Sep 11 2023

...BEACH HAZARDS STATEMENT HAS EXPIRED...

Waves will remain elevated through the night. An additional Beach
Hazard Statement may be needed on T https://mesonet.agron.iastate.edu/vtec/f/2023-O-EXP-KDLH-BH-S-0021_2023-09-12T03:04Z

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050
CDUS43 KMPX 120022
CLISTC

CLIMATE REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
722 PM CDT MON SEP 11 2023

...................................

...THE ST CLOUD MN CLIMATE SUMMARY FOR SEPTEMBER 11 2023...
VALID TODAY AS OF 0700 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2023

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST https://mesonet.agron.iastate.edu/p.php?pid=202309120022-KMPX-CDUS43-CLISTC

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927
FXUS63 KMPX 120012
AFDMPX

Area Forecast Discussion
National Weather Service Twin Cities/Chanhassen MN
712 PM CDT Mon Sep 11 2023

.DISCUSSION...(This evening through Monday)
Issued at 156 PM CDT Mon Sep 11 2023

KEY MESSAGES:

- A few chances for precipitation through the period, but amounts
will be minimal.

- High pressure and light winds Tuesday night will produce the
coolest overnig https://mesonet.agron.iastate.edu/p.php?pid=202309120012-KMPX-FXUS63-AFDMPX

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403
FXUS63 KDLH 112352
AFDDLH

Area Forecast Discussion
National Weather Service Duluth MN
652 PM CDT Mon Sep 11 2023

.DISCUSSION...(This evening through Sunday)
Issued at 229 PM CDT Mon Sep 11 2023

Summary: Scattered rain showers and isolated thunderstorms expand
in coverage into this evening from the west. Showers taper from
north to south Tuesday afternoon, exiting last in northwest
Wiscon https://mesonet.agron.iastate.edu/p.php?pid=202309112352-KDLH-FXUS63-AFDDLH

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856
WWUS83 KDLH 112310
SPSDLH

Special Weather Statement
National Weather Service Duluth MN
610 PM CDT Mon Sep 11 2023

MNZ035-037-112345-
Northern Aitkin MN-Carlton/South St. Louis MN-
610 PM CDT Mon Sep 11 2023

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF NORTHEASTERN AITKIN,
SOUTHWESTERN ST. LOUIS AND NORTHWESTERN CARLTON COUNTIES THROUGH 645
PM CDT...

At 609 PM CDT, Doppler radar was t https://mesonet.agron.iastate.edu/p.php?pid=202309112310-KDLH-WWUS83-SPSDLH

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499
WWUS83 KDLH 112236
SPSDLH

Special Weather Statement
National Weather Service Duluth MN
536 PM CDT Mon Sep 11 2023

MNZ033-034-112300-
Crow Wing MN-South Cass MN-
536 PM CDT Mon Sep 11 2023

...A STRONG THUNDERSTORM WILL IMPACT PORTIONS OF SOUTH CENTRAL CASS
AND SOUTHWESTERN CROW WING COUNTIES THROUGH 600 PM CDT...

At 533 PM CDT, Doppler radar was tracking a strong thunderstorm over
Saint M https://mesonet.agron.iastate.edu/p.php?pid=202309112236-KDLH-WWUS83-SPSDLH

#MNwx #MNweather
032
CDUS43 KDLH 112141
CLIDLH

CLIMATE REPORT
NATIONAL WEATHER SERVICE DULUTH MN
441 PM CDT MON SEP 11 2023

...................................

...THE DULUTH CLIMATE SUMMARY FOR SEPTEMBER 11 2023...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1870 TO 2023

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
https://mesonet.agron.iastate.edu/p.php?pid=202309112141-KDLH-CDUS43-CLIDLH

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351
CDUS43 KMPX 112133
CLIEAU

CLIMATE REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
433 PM CDT MON SEP 11 2023

...................................

...THE EAU CLAIRE WI CLIMATE SUMMARY FOR SEPTEMBER 11 2023...
VALID AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1893 TO 2023

WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST https://mesonet.agron.iastate.edu/p.php?pid=202309112133-KMPX-CDUS43-CLIEAU