Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 2, NWS Twin Cities, MN

April 11, 20194 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 11, 2019, 10:05 AM CDT for 4 counties in Minnesota. It was in force for 25 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
Apr 11, 2019, 10:05 AM CDT (15:05 UTC)
Expired
Apr 11, 2019, 10:30 AM CDT
In force
25 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Chippewa County, MN, Redwood County, MN, Renville County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 144 km from the middle of the area, began a volume at 15:04 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
Apr 11, 10:23 AM CDTHAIL 12 W Sacred Heart, MNNUMEROUS REPORTS OF HAIL ACROSS WESTERN RENVILLE COUNTY.

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

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 3.1 hours before the alert went out and 240 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, Aberdeen, SD at 12:00Z on 2019-04-11Temperature 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, Aberdeen, SD at 12:00Z on 2019-04-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 210 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
677 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
210 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

206 
WUUS53 KMPX 111505
SVRMPX
MNC023-127-129-173-111530-
/O.NEW.KMPX.SV.W.0002.190411T1505Z-190411T1530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1005 AM CDT THU APR 11 2019

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  South central Chippewa County in west central Minnesota...
  North central Redwood County in southwestern Minnesota...
  Southeastern Yellow Medicine County in west central Minnesota...
  Northwestern Renville County in central Minnesota...

* Until 1030 AM CDT.

* At 1005 AM CDT, a severe thunderstorm was located near Vesta, or 12
  miles west of Redwood Falls, moving north at 55 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Echo around 1010 AM CDT.
  Sacred Heart around 1025 AM CDT.
  Granite Falls around 1030 AM CDT.

Other locations impacted by this severe thunderstorm include
Minnesota Falls and Belview.

This includes U.S. Highway 212 between mile markers 47 and 62.
 
This includes  Prairies Edge Casino Resort.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4451 9528 4450 9540 4488 9563 4489 9528
TIME...MOT...LOC 1505Z 172DEG 46KT 4454 9536 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF
2 follow-up statements
663 
WWUS53 KMPX 111521
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1021 AM CDT THU APR 11 2019

MNC023-127-173-111531-
/O.CAN.KMPX.SV.W.0002.000000T0000Z-190411T1530Z/
Chippewa MN-Redwood MN-Yellow Medicine MN-
1021 AM CDT THU APR 11 2019

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL CHIPPEWA...NORTH
CENTRAL REDWOOD AND SOUTHEASTERN YELLOW MEDICINE COUNTIES IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

LAT...LON 4478 9548 4488 9548 4489 9530 4470 9532
      4470 9537 4473 9541 4475 9546
TIME...MOT...LOC 1521Z 172DEG 46KT 4475 9540 

$$

MNC129-111530-
/O.CON.KMPX.SV.W.0002.000000T0000Z-190411T1530Z/
Renville MN-
1021 AM CDT THU APR 11 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1030 AM CDT
FOR NORTHWESTERN RENVILLE COUNTY...

At 1021 AM CDT, a severe thunderstorm was located near Sacred Heart,
or 20 miles northwest of Redwood Falls, moving north at 55 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe thunderstorm will remain over mainly rural areas of
northwestern Renville County, including the following locations...
Minnesota Falls.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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 4478 9548 4488 9548 4489 9530 4470 9532
      4470 9537 4473 9541 4475 9546
TIME...MOT...LOC 1521Z 172DEG 46KT 4475 9540 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF
350 
WWUS53 KMPX 111530
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1030 AM CDT THU APR 11 2019

MNC129-111540-
/O.EXP.KMPX.SV.W.0002.000000T0000Z-190411T1530Z/
Renville MN-
1030 AM CDT THU APR 11 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RENVILLE COUNTY
HAS EXPIRED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been allowed to expire.

LAT...LON 4478 9548 4488 9548 4489 9530 4470 9532
      4470 9537 4473 9541 4475 9546
TIME...MOT...LOC 1530Z 172DEG 46KT 4485 9542 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 11, 8:26 AM CDTSpecial Weather StatementMPXLac qui Parle34 min
Apr 11, 8:45 AM CDTSevere Thunderstorm WarningMPXRedwood, Renville30 min
Apr 11, 12:57 PM CDTSpecial Weather StatementMPXAnoka33 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.