Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 1, NWS Twin Cities, MN

April 11, 2019Redwood County, Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 11, 2019, 8:45 AM CDT for Redwood County, Renville County, Minnesota. It was in force for 30 min. 2 reports 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, 8:45 AM CDT (13:45 UTC)
Expired
Apr 11, 2019, 9:15 AM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Redwood County, MN, Renville County, MN

The radar

The Minneapolis radar (KMPX), 141 km from the middle of the area, began a volume at 13:48 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, 8:52 AM CDTHAIL 1Belview, MN
Apr 11, 9:05 AM CDTHAIL 1Renville, MN

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, 1.8 hours before the alert went out and 243 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.

150 
WUUS53 KMPX 111345
SVRMPX
MNC127-129-111415-
/O.NEW.KMPX.SV.W.0001.190411T1345Z-190411T1415Z/

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

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  North central Redwood County in southwestern Minnesota...
  Northwestern Renville County in central Minnesota...

* Until 915 AM CDT.

* At 845 AM CDT, a severe thunderstorm was located near Belview, or 9
  miles west of Redwood Falls, moving north at 50 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* This severe thunderstorm will be near...
  Renville and Sacred Heart around 905 AM CDT.

Other locations impacted by this severe thunderstorm include Delhi
and Belview.

This includes U.S. Highway 212 between mile markers 57 and 68.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4489 9542 4489 9514 4452 9518 4451 9537
      4454 9537 4455 9536 4470 9536 4472 9540
TIME...MOT...LOC 1345Z 179DEG 44KT 4457 9529 

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

BORGHOFF
2 follow-up statements
574 
WWUS53 KMPX 111357
SVSMPX

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

MNC127-111407-
/O.CAN.KMPX.SV.W.0001.000000T0000Z-190411T1415Z/
Redwood MN-
857 AM CDT THU APR 11 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL REDWOOD 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 4489 9540 4489 9514 4465 9517 4465 9522
      4467 9525 4466 9529 4469 9532 4470 9536
TIME...MOT...LOC 1357Z 179DEG 51KT 4473 9528 

$$

MNC129-111415-
/O.CON.KMPX.SV.W.0001.000000T0000Z-190411T1415Z/
Renville MN-
857 AM CDT THU APR 11 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 AM CDT
FOR NORTHWESTERN RENVILLE COUNTY...

At 857 AM CDT, a severe thunderstorm was located near Sacred Heart,
or 15 miles northwest of Redwood Falls, moving north at 60 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

This severe storm will be near...
  Renville and Sacred Heart around 900 AM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4489 9540 4489 9514 4465 9517 4465 9522
      4467 9525 4466 9529 4469 9532 4470 9536
TIME...MOT...LOC 1357Z 179DEG 51KT 4473 9528 

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

BORGHOFF
112 
WWUS53 KMPX 111414
SVSMPX

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

MNC129-111423-
/O.EXP.KMPX.SV.W.0001.000000T0000Z-190411T1415Z/
Renville MN-
914 AM CDT THU APR 11 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RENVILLE COUNTY
WILL EXPIRE AT 915 AM CDT...
        
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

LAT...LON 4489 9540 4489 9514 4465 9517 4465 9522
      4467 9525 4466 9529 4469 9532 4470 9536
TIME...MOT...LOC 1413Z 179DEG 44KT 4491 9528 

$$

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, 10:05 AM CDTSevere Thunderstorm WarningMPXChippewa, Redwood, Renville, Yellow Medicine25 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.