Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 86, NWS Twin Cities, MN

July 12, 2019Redwood County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 12, 2019, 11:15 AM CDT for Redwood County, Yellow Medicine County, Minnesota. It was in force for 30 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, 11:15 AM CDT (16:15 UTC)
Expired
Jul 12, 2019, 11:45 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, Yellow Medicine County, MN

The radar

The Sioux Falls radar (KFSD), 150 km from the middle of the area, began a volume at 16:15 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, 11:35 AM CDTTSTM WND DMGBelview, MNTREES AND POWER LINES DOWN, BLOCKING TRAFFIC IN BELVIEW. RELAYED TO NWS BY WCCO-TV.

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, 4.3 hours before the alert went out and 147 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.

097 
WUUS53 KMPX 121615
SVRMPX
MNC127-173-121645-
/O.NEW.KMPX.SV.W.0086.190712T1615Z-190712T1645Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1115 AM CDT Fri Jul 12 2019

The National Weather Service in The Twin Cities has issued a

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

* Until 1145 AM CDT.

* At 1115 AM CDT, a severe thunderstorm was located over Cottonwood,
  or 10 miles northeast of Marshall, moving east at 50 mph.

  HAZARD...Quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Wabasso, Echo, Belview, Vesta, Lucan, Seaforth and Delhi. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4463 9520 4436 9526 4443 9559 4458 9561
      4463 9560
TIME...MOT...LOC 1615Z 277DEG 43KT 4457 9566 

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

CTG
2 follow-up statements
393 
WWUS53 KMPX 121636
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1136 AM CDT Fri Jul 12 2019

MNC127-173-121645-
/O.CON.KMPX.SV.W.0086.000000T0000Z-190712T1645Z/
Redwood MN-Yellow Medicine MN-
1136 AM CDT Fri Jul 12 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 AM CDT
FOR NORTHWESTERN REDWOOD AND SOUTHEASTERN YELLOW MEDICINE COUNTIES...

At 1136 AM CDT, a severe thunderstorm was located 7 miles southeast
of Echo, or 9 miles west of Redwood Falls, moving east at 50 mph.

HAZARD...Quarter size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Echo, Belview, Vesta, Seaforth and Delhi. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4463 9520 4443 9525 4449 9552 4463 9551
TIME...MOT...LOC 1636Z 277DEG 43KT 4454 9531 

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

CTG
507 
WWUS53 KMPX 121642
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1142 AM CDT Fri Jul 12 2019

MNC127-173-121652-
/O.EXP.KMPX.SV.W.0086.000000T0000Z-190712T1645Z/
Redwood MN-Yellow Medicine MN-
1142 AM CDT Fri Jul 12 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN REDWOOD AND
SOUTHEASTERN YELLOW MEDICINE COUNTIES WILL EXPIRE AT 1145 AM 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 small hail is still possible with this
thunderstorm.

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 4463 9520 4443 9525 4449 9552 4463 9551
TIME...MOT...LOC 1642Z 277DEG 43KT 4453 9522 

$$

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, 11:24 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, 1:26 PM CDTSevere Thunderstorm WarningMPXDakota, Scott34 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.