Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 175, NWS Twin Cities, MN

July 25, 2017Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 25, 2017, 4:53 PM CDT for Renville County, Minnesota. It was in force for 52 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
Jul 25, 2017, 4:53 PM CDT (21:53 UTC)
Expired
Jul 25, 2017, 5:45 PM CDT
In force
52 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Renville County, MN

The radar

The Minneapolis radar (KMPX), 123 km from the middle of the area, began a volume at 21:53 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 25, 5:03 PM CDTHAIL 1.752 W Danube, MN
Jul 25, 5:03 PM CDTHAIL 1.75Renville, MN

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 25, 3:46 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.9 hours before the alert went out and 120 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 2017-07-25Temperature 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 2017-07-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 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
838 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
250 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

551 
WUUS53 KMPX 252153
SVRMPX
MNC129-252245-
/O.NEW.KMPX.SV.W.0175.170725T2153Z-170725T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
453 PM CDT TUE JUL 25 2017

The National Weather Service in The Twin Cities has issued a

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

* Until 545 PM CDT

* At 453 PM CDT, a severe thunderstorm was located near Sacred Heart,
  or 18 miles northwest of Redwood Falls, moving east at 40 mph.

  HAZARD...60 mph wind gusts and half dollar size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* This severe thunderstorm will be near,
  Olivia around 515 PM CDT. 
  Bird Island around 520 PM CDT. 

Other locations impacted by this severe thunderstorm include Bechyn
and Danube.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4490 9504 4489 9475 4466 9473 4468 9531
      4469 9532 4470 9538 4486 9539
TIME...MOT...LOC 2153Z 266DEG 35KT 4478 9528 

HAIL...1.25IN
WIND...60MPH
 
$$
3 follow-up statements
160 
WWUS53 KMPX 252205
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
505 PM CDT TUE JUL 25 2017

MNC129-252245-
/O.CON.KMPX.SV.W.0175.000000T0000Z-170725T2245Z/
Renville MN-
505 PM CDT TUE JUL 25 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTH CENTRAL RENVILLE COUNTY...

At 504 PM CDT, a severe thunderstorm was located over Danube, or 17
miles north of Redwood Falls, moving east at 40 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts. 

SOURCE...Trained weather spotters. At 5 PM, golf ball size hail was 
         reported in the city of Renville. 

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees. 

This severe storm will be near...
  Olivia around 515 PM CDT. 
  Bird Island around 520 PM CDT. 

Other locations impacted by this severe thunderstorm include Bechyn
and Danube.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4490 9504 4489 9475 4466 9473 4469 9519
      4488 9522
TIME...MOT...LOC 2204Z 266DEG 35KT 4479 9512 

HAIL...1.75IN
WIND...60MPH
 
$$
876 
WWUS53 KMPX 252221
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
521 PM CDT TUE JUL 25 2017

MNC129-252245-
/O.CON.KMPX.SV.W.0175.000000T0000Z-170725T2245Z/
Renville MN-
521 PM CDT TUE JUL 25 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTH CENTRAL RENVILLE COUNTY...

At 520 PM CDT, a severe thunderstorm was located over Bird Island, or
21 miles northeast of Redwood Falls, moving east at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Trained weather spotters. At 5 PM, golf ball size hail was 
         reported in the city of Renville. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

this severe thunderstorm will remain over mainly rural areas of north
central Renville County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4487 9502 4489 9475 4466 9473 4468 9502
      4485 9508
TIME...MOT...LOC 2220Z 266DEG 35KT 4480 9489 

HAIL...1.00IN
WIND...60MPH
 
$$
531 
WWUS53 KMPX 252236
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
536 PM CDT TUE JUL 25 2017

MNC129-252245-
/O.EXP.KMPX.SV.W.0175.000000T0000Z-170725T2245Z/
Renville MN-
536 PM CDT TUE JUL 25 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL RENVILLE COUNTY
WILL EXPIRE AT 545 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.

A severe thunderstorm watch remains in effect until 1100 PM CDT for
central Minnesota.

LAT...LON 4487 9502 4489 9475 4466 9473 4468 9502
      4485 9508
TIME...MOT...LOC 2235Z 266DEG 35KT 4481 9468 

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 25, 12:44 AM CDTSpecial Weather StatementMPXLac qui Parle61 min
Jul 25, 2:58 AM CDTSpecial Weather StatementMPXSibley47 min
Jul 25, 4:03 AM CDTHeat AdvisoryMPXBrown, Chippewa, Kandiyohi, Lac qui Parle, Nicollet, Redwood and 5 more15 hr
Jul 25, 5:33 AM CDTSpecial Weather StatementMPXScott27 min
Jul 25, 7:32 AM CDTSpecial Weather StatementMPXRice28 min
Jul 25, 7:37 AM CDTSevere Thunderstorm WarningMPXGoodhue, Rice38 min
Jul 25, 8:16 AM CDTSpecial Weather StatementMPXGoodhue44 min
Jul 25, 8:30 AM CDTSpecial Weather StatementMPXDakota45 min
Jul 25, 9:11 AM CDTSpecial Weather StatementMPXGoodhue2 hr
Jul 25, 3:44 PM CDTSpecial Weather StatementMPXYellow Medicine46 min
Jul 25, 4:50 PM CDTSpecial Weather StatementMPXRenville40 min
Jul 25, 5:32 PM CDTSpecial Weather StatementMPXMcLeod43 min
Jul 25, 5:59 PM CDTSpecial Weather StatementMPXWright46 min
Jul 25, 6:44 PM CDTSpecial Weather StatementMPXHennepin46 min
Jul 25, 6:50 PM CDTSpecial Weather StatementMPXSibley40 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning in 2017

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.