Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 89, NWS Twin Cities, MN

July 12, 2019Dakota County, Scott County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 12, 2019, 1:26 PM CDT for Dakota County, Scott County, Minnesota. It was in force for 34 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
Jul 12, 2019, 1:26 PM CDT (18:26 UTC)
Expired
Jul 12, 2019, 2:00 PM CDT
In force
34 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Dakota County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 34 km from the middle of the area, began a volume at 18:28 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
Jul 12, 1:35 PM CDTTSTM WND DMG2 W Apple Valley, MNMULTIPLE SMALL AND BIG BRANCHES 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 12:00Z, 6.4 hours before the alert went out and 36 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 12:00Z on 2019-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2019-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 179 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1558 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
179 m²/s²
0-3 km storm-relative helicity
198 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

315 
WUUS53 KMPX 121826
SVRMPX
MNC037-139-121900-
/O.NEW.KMPX.SV.W.0089.190712T1826Z-190712T1900Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
126 PM CDT Fri Jul 12 2019

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  West central Dakota County in east central Minnesota...
  East central Scott County in east central Minnesota...

* Until 200 PM CDT.

* At 126 PM CDT, a severe thunderstorm was located near Lakeville, or
  17 miles northwest of Northfield, moving east at 50 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Emergency management reported near 60 mph wind gusts 
           with this storm in Savage and Jordan 122 PM CDT.

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

* Locations impacted include...
  Burnsville, Lakeville, Apple Valley, Shakopee, Inver Grove Heights,
  Savage, Prior Lake, Rosemount, Farmington, Credit River, Vermillion
  and Coates.

This includes  Mystic Lake Casino.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4462 9351 4473 9353 4479 9302 4477 9301
      4477 9298 4476 9296 4463 9295
TIME...MOT...LOC 1826Z 268DEG 44KT 4468 9333 

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

CTG
2 follow-up statements
905 
WWUS53 KMPX 121849
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
149 PM CDT Fri Jul 12 2019

MNC139-121857-
/O.CAN.KMPX.SV.W.0089.000000T0000Z-190712T1900Z/
Scott MN-
149 PM CDT Fri Jul 12 2019

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL SCOTT 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 4463 9322 4477 9323 4479 9302 4477 9301
      4477 9298 4476 9296 4463 9295
TIME...MOT...LOC 1847Z 268DEG 44KT 4469 9296 

$$

MNC037-121900-
/O.CON.KMPX.SV.W.0089.000000T0000Z-190712T1900Z/
Dakota MN-
149 PM CDT Fri Jul 12 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 PM CDT
FOR CENTRAL DAKOTA COUNTY...

At 147 PM CDT, a severe thunderstorm was located near Hastings, or 18
miles south of St. Paul, moving east at 50 mph.

HAZARD...60 mph wind gusts.

SOURCE...Emergency management reported near 60 mph wind gusts in 
         Savage and Jordan at 122 PM CDT.

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

Locations impacted include...
Eagan, Lakeville, Apple Valley, Inver Grove Heights, Rosemount,
Farmington, Vermillion and Coates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

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

&&

LAT...LON 4463 9322 4477 9323 4479 9302 4477 9301
      4477 9298 4476 9296 4463 9295
TIME...MOT...LOC 1847Z 268DEG 44KT 4469 9296 

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

CTG
325 
WWUS53 KMPX 121850
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
150 PM CDT Fri Jul 12 2019

MNC037-121900-
/O.EXP.KMPX.SV.W.0089.000000T0000Z-190712T1900Z/
Dakota MN-
150 PM CDT Fri Jul 12 2019

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL DAKOTA COUNTY WILL
EXPIRE AT 200 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.  However gusty winds are still possible with
this thunderstorm.

LAT...LON 4463 9322 4477 9323 4479 9302 4477 9301
      4477 9298 4476 9296 4463 9295
TIME...MOT...LOC 1850Z 268DEG 44KT 4469 9292 

$$

CTG

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 12, 10:20 AM CDTSpecial Weather StatementMPXYellow Medicine40 min
Jul 12, 10:51 AM CDTSpecial Weather StatementMPXYellow Medicine39 min
Jul 12, 11:15 AM CDTSevere Thunderstorm WarningMPXRedwood, Yellow Medicine30 min
Jul 12, 11:24 AM CDTSpecial Weather StatementMPXYellow Medicine36 min
Jul 12, 11:46 AM CDTSpecial Weather StatementMPXRenville44 min
Jul 12, 12:20 PM CDTSevere Thunderstorm WarningMPXMcLeod, Sibley25 min
Jul 12, 12:27 PM CDTSpecial Weather StatementMPXSibley33 min
Jul 12, 12:30 PM CDTSpecial Weather StatementMPXMcLeod30 min
Jul 12, 12:40 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Scott, Sibley35 min
Jul 12, 12:50 PM CDTSpecial Weather StatementMPXCarver40 min
Jul 12, 1:05 PM CDTSpecial Weather StatementMPXLe Sueur25 min
Jul 12, 1:12 PM CDTSpecial Weather StatementMPXDakota, Hennepin, Scott48 min
Jul 12, 1:16 PM CDTSpecial Weather StatementMPXRice29 min
Jul 12, 1:38 PM CDTSpecial Weather StatementMPXRamsey, Washington37 min
Jul 12, 1:43 PM CDTSpecial Weather StatementMPXGoodhue47 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2019Every severe thunderstorm 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.