Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 191, NWS Twin Cities, MN

August 4, 20164 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 4, 2016, 6:10 AM CDT for 4 counties in Minnesota. It was in force for 50 min. 3 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
Aug 4, 2016, 6:10 AM CDT (11:10 UTC)
Expired
Aug 4, 2016, 7:00 AM CDT
In force
50 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

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

The radar

The Minneapolis radar (KMPX), 117 km from the middle of the area, began a volume at 11:10 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
Aug 4, 6:26 AM CDTTSTM WND GST 531 Sse North Redwood, MN.
Aug 4, 6:35 AM CDTTSTM WND GST 522 W Olivia, MN.
Aug 4, 6:40 AM CDTTSTM WND DMG3 S Olivia, MNTHREE INCH DIAMETER TREE LIMBS SEVERED. TIME ESTIMATED FROM RADAR. SOCIAL MEDIA POST. .

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 00:00Z, 11.2 hours before the alert went out and 115 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 00:00Z on 2016-08-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1240 joules per kilogram.LCLLFCEL10008507005003002001001 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 00:00Z on 2016-08-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -5 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
1240 J/kg
Mixed-layer CIN
-91 J/kg
Mixed-layer LCL
1342 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
-5 m²/s²
0-3 km storm-relative helicity
39 m²/s²
Significant tornado parameter
-0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

465 
WUUS53 KMPX 041110
SVRMPX
MNC015-127-129-173-041200-
/O.NEW.KMPX.SV.W.0191.160804T1110Z-160804T1200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
610 AM CDT THU AUG 4 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BROWN COUNTY IN SOUTH CENTRAL MINNESOTA...
  SOUTHEASTERN YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA...
  REDWOOD COUNTY IN SOUTHWESTERN MINNESOTA...
  RENVILLE COUNTY IN CENTRAL MINNESOTA...

* UNTIL 700 AM CDT

* AT 609 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR GRANITE FALLS AIRPORT TO VESTA TO NEAR
  REVERE... MOVING EAST AT 50 MPH.

  HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE 
           TO ROOFS...SIDING...AND TREES. 

* SEVERE THUNDERSTORMS WILL BE NEAR...
  WABASSO AND SACRED HEART AROUND 620 AM CDT. 
  REDWOOD FALLS AND RENVILLE AROUND 625 AM CDT. 
  OLIVIA...MORGAN AND MORTON AROUND 635 AM CDT. 
  BIRD ISLAND AND FRANKLIN AROUND 640 AM CDT. 
  FAIRFAX AROUND 650 AM CDT. 
  HECTOR AROUND 655 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4471 9559 4489 9526 4489 9483 4472 9471
      4445 9468 4446 9478 4445 9478 4442 9469
      4439 9467 4440 9464 4431 9463 4421 9540
      4448 9548
TIME...MOT...LOC 1109Z 250DEG 44KT 4471 9548 4451 9539 4430 9536 

HAIL...1.00IN
WIND...60MPH
 
$$

BORGHOFF
2 follow-up statements
807 
WWUS53 KMPX 041128
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
628 AM CDT THU AUG 4 2016

MNC173-041138-
/O.CAN.KMPX.SV.W.0191.000000T0000Z-160804T1200Z/
YELLOW MEDICINE MN-
628 AM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN YELLOW MEDICINE
COUNTY IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

LAT...LON 4478 9543 4489 9526 4489 9483 4472 9471
      4445 9468 4445 9478 4442 9469 4439 9467
      4440 9464 4431 9463 4423 9528 4450 9529
      4465 9537 4470 9536 4471 9540
TIME...MOT...LOC 1128Z 250DEG 45KT 4479 9516 4457 9509 4435 9511 

$$

MNC015-127-129-041200-
/O.CON.KMPX.SV.W.0191.000000T0000Z-160804T1200Z/
BROWN MN-REDWOOD MN-RENVILLE MN-
628 AM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 AM CDT
FOR NORTHWESTERN BROWN...EASTERN REDWOOD AND RENVILLE COUNTIES...

AT 628 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR RENVILLE TO NORTH REDWOOD TO NEAR CLEMENTS...
MOVING EAST AT 50 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THESE SEVERE STORMS WILL BE NEAR...
  OLIVIA AND FRANKLIN AROUND 635 AM CDT. 
  BIRD ISLAND AND MORGAN AROUND 640 AM CDT. 
  FAIRFAX AND HECTOR AROUND 655 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE
WANDA...
CLEMENTS...NORTH
REDWOOD...BECHYN...DANUBE...BELVIEW...EVAN...REDWOOD FALLS
AIRPORT...DELHI AND COBDEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4478 9543 4489 9526 4489 9483 4472 9471
      4445 9468 4445 9478 4442 9469 4439 9467
      4440 9464 4431 9463 4423 9528 4450 9529
      4465 9537 4470 9536 4471 9540
TIME...MOT...LOC 1128Z 250DEG 45KT 4479 9516 4457 9509 4435 9511 

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

BORGHOFF
535 
WWUS53 KMPX 041153
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
653 AM CDT THU AUG 4 2016

MNC015-127-129-041203-
/O.EXP.KMPX.SV.W.0191.000000T0000Z-160804T1200Z/
BROWN MN-REDWOOD MN-RENVILLE MN-
653 AM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN BROWN...EASTERN
REDWOOD AND RENVILLE COUNTIES WILL EXPIRE AT 700 AM CDT...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

LAT...LON 4478 9543 4489 9526 4489 9483 4472 9471
      4445 9468 4445 9478 4442 9469 4439 9467
      4440 9464 4431 9463 4423 9528 4450 9529
      4465 9537 4470 9536 4471 9540
TIME...MOT...LOC 1151Z 250DEG 44KT 4479 9516 4457 9509 4435 9511 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 4, 1:37 AM CDTSpecial Weather StatementMPXDouglas, Pope, Stevens53 min
Aug 4, 2:08 AM CDTSpecial Weather StatementMPXTodd67 min
Aug 4, 2:33 AM CDTSpecial Weather StatementMPXMorrison57 min
Aug 4, 2:40 AM CDTSevere Thunderstorm WarningMPXMorrison, Todd50 min
Aug 4, 3:23 AM CDTSpecial Weather StatementMPXMille Lacs52 min
Aug 4, 3:46 AM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs44 min
Aug 4, 5:18 AM CDTSpecial Weather StatementMPXYellow Medicine42 min
Aug 4, 5:34 AM CDTSpecial Weather StatementMPXWright41 min
Aug 4, 5:49 AM CDTSpecial Weather StatementMPXYellow Medicine56 min
Aug 4, 6:02 AM CDTSevere Thunderstorm WarningMPXHennepin, Wright28 min
Aug 4, 6:52 AM CDTSpecial Weather StatementMPXCarver, Hennepin, Ramsey, Washington53 min
Aug 4, 7:31 AM CDTSpecial Weather StatementMPXCarver, Dakota, Hennepin, Le Sueur, Ramsey, Rice and 2 more59 min
Aug 4, 7:52 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright26 min
Aug 4, 8:18 AM CDTSpecial Weather StatementMPXAnoka27 min
Aug 4, 8:35 AM CDTSpecial Weather StatementMPXChisago25 min
Aug 4, 12:53 PM CDTSevere Thunderstorm WarningMPXSteele22 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016Every severe thunderstorm warning in 2016

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.