Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 14, NWS Twin Cities, MN

May 24, 2018Pierce County, Wisconsin; Dakota County, Goodhue County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 24, 2018, 9:03 PM CDT for Pierce County, Wisconsin; Dakota County, Goodhue County, Minnesota. It was in force for 28 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 24, 2018, 9:03 PM CDT (02:03 UTC)
Expired
May 24, 2018, 9:31 PM CDT
In force
28 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Dakota County, MN, Goodhue County, MN, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 71 km from the middle of the area, began a volume at 02:03 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.

What was reported inside it

TimeReportWhereRemark
May 24, 9:05 PM CDTTSTM WND DMGCannon Falls, MNTREE DOWN.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.1 hours before the alert went out and 74 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, Minneapolis, MN at 00:00Z on 2018-05-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 553 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, Minneapolis, MN at 00:00Z on 2018-05-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 90 square meters per square second.193958Sfc1 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
553 J/kg
Mixed-layer CIN
-43 J/kg
Mixed-layer LCL
1989 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
90 m²/s²
0-3 km storm-relative helicity
140 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

As transmitted.

765 
WUUS53 KMPX 250203
SVRMPX
MNC037-049-WIC093-250245-
/O.NEW.KMPX.SV.W.0014.180525T0203Z-180525T0245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
903 PM CDT THU MAY 24 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southeastern Dakota County in east central Minnesota...
  Northern Goodhue County in southeastern Minnesota...
  Southwestern Pierce County in west central Wisconsin...

* Until 945 PM CDT

* At 903 PM CDT, a severe thunderstorm was located over Cannon Falls,
  or 15 miles east of Northfield, moving northeast at 45 mph.

  HAZARD...60 mph wind gusts. 

  SOURCE...Radar indicated. 

  IMPACT...Expect damage to roofs, siding, and trees. 

* This severe thunderstorm will be near,
  Welch around 915 PM CDT. 
  Red Wing around 920 PM CDT. 
  Bay City around 930 PM CDT. 

Other locations impacted by this severe thunderstorm include Vasa,
Red Wing Airport, Diamond Bluff, Miesville, Lake Byllesby, Esdaile,
New Trier and Hager City.

This includes U.S. Highway 61 between mile markers 87 and 104.
 
This includes Treasure Island Casino.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4440 9291 4455 9307 4480 9262 4458 9233
TIME...MOT...LOC 0203Z 241DEG 39KT 4452 9287 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF
2 follow-up statements
241 
WWUS53 KMPX 250222
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
922 PM CDT THU MAY 24 2018

MNC037-250231-
/O.CAN.KMPX.SV.W.0014.000000T0000Z-180525T0245Z/
Dakota MN-
922 PM CDT THU MAY 24 2018

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN DAKOTA COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4456 9280 4462 9279 4463 9277 4463 9274
      4465 9273 4474 9254 4458 9233 4445 9274
TIME...MOT...LOC 0221Z 244DEG 31KT 4458 9269 

$$

MNC049-WIC093-250245-
/O.CON.KMPX.SV.W.0014.000000T0000Z-180525T0245Z/
Goodhue MN-Pierce WI-
922 PM CDT THU MAY 24 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 945 PM CDT
FOR NORTHEASTERN GOODHUE AND SOUTHWESTERN PIERCE COUNTIES...

At 921 PM CDT, a severe thunderstorm was located over Welch, or 7
miles west of Red Wing, moving northeast at 35 mph.

HAZARD...60 mph wind gusts. 

SOURCE...Radar indicated. 

IMPACT...Expect damage to roofs, siding, and trees. 

This severe storm will be near...
  Red Wing around 930 PM CDT. 
  Bay City around 940 PM CDT. 

Other locations impacted by this severe thunderstorm include Vasa,
Diamond Bluff, Esdaile, Red Wing Airport, Hager City and Miesville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4456 9280 4462 9279 4463 9277 4463 9274
      4465 9273 4474 9254 4458 9233 4445 9274
TIME...MOT...LOC 0221Z 244DEG 31KT 4458 9269 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF
498 
WWUS53 KMPX 250231
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
931 PM CDT THU MAY 24 2018

MNC049-WIC093-250235-
/O.CAN.KMPX.SV.W.0014.000000T0000Z-180525T0245Z/
Goodhue MN-Pierce WI-
931 PM CDT THU MAY 24 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN GOODHUE AND
SOUTHWESTERN PIERCE COUNTIES IS CANCELLED...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning has been cancelled.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.

LAT...LON 4456 9280 4462 9279 4463 9277 4463 9274
      4465 9273 4474 9254 4458 9233 4445 9274
TIME...MOT...LOC 0224Z 241DEG 39KT 4460 9264 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
May 24, 7:43 PM CDTSevere Thunderstorm WarningMPXPierce, Saint Croix47 min
May 24, 8:23 PM CDTSpecial Weather StatementMPXPierce, Saint Croix37 min
May 25, 7:07 AM CDTSpecial Weather StatementMPXPepin23 min
May 25, 7:55 AM CDTSpecial Weather StatementMPXEau Claire50 min
May 25, 10:00 AM CDTSpecial Weather StatementMPXEau Claire60 min
May 25, 10:58 AM CDTSpecial Weather StatementMPXEau Claire62 min
May 25, 3:33 PM CDTSevere Thunderstorm WarningMPXEau Claire24 min
May 25, 3:45 PM CDTSpecial Weather StatementMPXPolk45 min
May 25, 4:46 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn44 min
May 25, 4:49 PM CDTSpecial Weather StatementMPXChippewa26 min
May 25, 5:03 PM CDTSevere Thunderstorm WarningMPXPolk, Saint Croix57 min
May 25, 5:04 PM CDTSpecial Weather StatementMPXSaint Croix26 min
May 25, 6:01 PM CDTSevere Thunderstorm WarningMPXBarron, Dunn, Polk, Saint Croix44 min
May 25, 6:42 PM CDTSevere Thunderstorm WarningMPXBarron, Chippewa, Dunn37 min
May 24, 7:06 PM CDTSpecial Weather StatementMPXPope39 min
May 24, 7:10 PM CDTSevere Thunderstorm WarningMPXAnoka, Dakota, Hennepin, Ramsey, Scott50 min
May 24, 7:27 PM CDTSevere Thunderstorm WarningMPXPope, Stevens33 min
May 24, 7:48 PM CDTSevere Thunderstorm WarningMPXRice42 min
May 24, 8:31 PM CDTSpecial Weather StatementMPXGoodhue29 min
May 24, 8:33 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stearns, Todd33 min
May 25, 1:15 AM CDTSpecial Weather StatementMPXSibley30 min
May 25, 2:06 AM CDTSpecial Weather StatementMPXHennepin24 min
May 25, 2:13 AM CDTSpecial Weather StatementMPXSibley32 min
May 25, 1:53 PM CDTSevere Thunderstorm WarningMPXPope37 min
May 25, 2:55 PM CDTSevere Thunderstorm WarningMPXFreeborn50 min
May 25, 3:12 PM CDTSevere Thunderstorm WarningMPXFreeborn48 min
May 25, 3:33 PM CDTSpecial Weather StatementMPXSteele42 min
May 25, 3:38 PM CDTSpecial Weather StatementMPXFreeborn37 min
May 25, 3:47 PM CDTSpecial Weather StatementMPXLac qui Parle28 min
May 25, 4:03 PM CDTSpecial Weather StatementMPXFreeborn42 min
May 25, 4:09 PM CDTSpecial Weather StatementMPXFreeborn36 min
May 25, 4:24 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn36 min
May 25, 4:32 PM CDTSevere Thunderstorm WarningMPXHennepin, Wright43 min
May 25, 5:17 PM CDTSpecial Weather StatementMPXRamsey, Washington43 min
May 25, 5:35 PM CDTSpecial Weather StatementMPXScott25 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2018Severe Thunderstorm Warnings in Wisconsin, 2018Every severe thunderstorm warning in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.