Alert archive / Minnesota / Tornado Warnings in 2024

Tornado Warning 21, NWS Duluth, MN

September 19, 2024Saint Louis County, Minnesota

NWS Duluth, MN issued this tornado warning at Sep 19, 2024, 6:05 PM CDT for Saint Louis 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
Sep 19, 2024, 6:05 PM CDT (23:05 UTC)
Expired
Sep 19, 2024, 6:30 PM CDT
In force
25 min
Issued by
NWS Duluth, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

County Saint Louis County, MN

The radar

The Duluth radar (KDLH), 74 km from the middle of the area, began a volume at 23:07 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 19, 5:10 PM CDTTornado WatchSPC4 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 11.1 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 12:00Z on 2024-09-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 369 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 12:00Z on 2024-09-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 square meters per square second.19395878Sfc1 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
369 J/kg
Mixed-layer CIN
-127 J/kg
Mixed-layer LCL
796 m above ground
0-6 km bulk shear
47 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
293 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.2

Open this sounding in Storm Lab

The text

As transmitted.

170 
WFUS53 KDLH 192305
TORDLH
MNC137-192330-
/O.NEW.KDLH.TO.W.0021.240919T2305Z-240919T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Duluth MN
605 PM CDT Thu Sep 19 2024

The National Weather Service in Duluth MN has issued a

* Tornado Warning for...
  East central St. Louis County in northeastern Minnesota...

* Until 630 PM CDT.

* At 605 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Fairbanks, or 35 miles south of Ely, moving
  northeast at 25 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur. Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  east central St. Louis County, including the following locations...
  Skibo and Seven Beaver Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4759 9197 4749 9179 4747 9179 4736 9206
      4739 9212
TIME...MOT...LOC 2305Z 218DEG 21KT 4741 9206 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Unruh
2 follow-up statements
463 
WWUS53 KDLH 192316
SVSDLH

Severe Weather Statement
National Weather Service Duluth MN
616 PM CDT Thu Sep 19 2024

MNC137-192330-
/O.CON.KDLH.TO.W.0021.000000T0000Z-240919T2330Z/
St. Louis MN-
616 PM CDT Thu Sep 19 2024

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 630 PM CDT FOR
SOUTHEASTERN ST. LOUIS COUNTY...

At 616 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northwest of Fairbanks, or 31 miles south of Ely,
moving northeast at 25 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur. Tree damage is 
         likely.

Locations impacted include...
Babbitt, Skibo, and Seven Beaver Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Tornadoes can develop quickly from severe thunderstorms. Although a
tornado is not immediately likely, if one is spotted, act quickly and
move to a place of safety inside a sturdy structure such as a
basement or small interior room.

&&

LAT...LON 4759 9197 4749 9179 4747 9179 4743 9189
      4741 9200 4744 9208
TIME...MOT...LOC 2316Z 218DEG 21KT 4746 9200 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Unruh
311 
WWUS53 KDLH 192327 RRA
SVSDLH

Severe Weather Statement
National Weather Service Duluth MN
627 PM CDT Thu Sep 19 2024

MNC137-192337-
/O.EXP.KDLH.TO.W.0021.000000T0000Z-240919T2330Z/
St. Louis MN-
627 PM CDT Thu Sep 19 2024

...THE TORNADO WARNING FOR SOUTHEASTERN ST. LOUIS COUNTY WILL EXPIRE
AT 630 PM CDT...

The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.  However, gusty
winds and heavy rain are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1100 PM CDT for northeastern
Minnesota.

&&

LAT...LON 4759 9197 4749 9179 4747 9179 4743 9189
      4741 9200 4744 9208
TIME...MOT...LOC 2327Z 218DEG 21KT 4750 9195 

$$

JDS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 19, 1:18 AM CDTSpecial Weather StatementDLHKoochiching27 min
Sep 19, 4:52 AM CDTSpecial Weather StatementDLHCrow Wing23 min
Sep 19, 5:12 AM CDTSpecial Weather StatementDLHItasca33 min
Sep 19, 5:32 AM CDTSpecial Weather StatementDLHItasca28 min
Sep 19, 8:37 AM CDTSpecial Weather StatementDLHSaint Louis23 min
Sep 19, 9:42 AM CDTSpecial Weather StatementDLH33 min
Sep 19, 3:58 PM CDTSpecial Weather StatementDLHSaint Louis17 min
Sep 19, 4:09 PM CDTSpecial Weather StatementDLH21 min
Sep 19, 4:15 PM CDTSevere Thunderstorm WarningDLHLake, Saint Louis45 min
Sep 19, 4:44 PM CDTSevere Thunderstorm WarningDLHSaint Louis46 min
Sep 19, 4:48 PM CDTSpecial Weather StatementDLHPine12 min
Sep 19, 4:55 PM CDTTornado WarningDLHSaint Louis35 min
Sep 19, 4:59 PM CDTSevere Thunderstorm WarningDLHCarlton, Pine, Saint Louis46 min
Sep 19, 5:20 PM CDTTornado Warning Tornado observedDLHSaint Louis25 min
Sep 19, 5:23 PM CDTTornado WarningDLHCarlton37 min
Sep 19, 5:42 PM CDTSpecial Marine WarningDLH63 min
Sep 19, 5:43 PM CDTSevere Thunderstorm WarningDLHCarlton, Pine, Saint Louis47 min
Sep 19, 5:44 PM CDTSevere Thunderstorm WarningDLHLake, Saint Louis46 min
Sep 19, 5:52 PM CDTSpecial Weather StatementDLH23 min
Sep 19, 5:56 PM CDTTornado WarningDLHCarlton, Saint Louis18 min
Sep 19, 6:08 PM CDTTornado WarningDLHSaint Louis37 min
Sep 19, 6:22 PM CDTTornado WarningDLHPine23 min
Sep 19, 6:26 PM CDTSevere Thunderstorm WarningDLHLake, Saint Louis30 min
Sep 19, 6:42 PM CDTTornado WarningDLHPine33 min

Nearby

Tornado Warnings in Minnesota, 2024Every tornado warning in 2024Tornadoes in 2024

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.