Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 163, NWS Twin Cities, MN

July 16, 2016Stevens County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 16, 2016, 9:38 PM CDT for Stevens County, Minnesota. It was in force for 28 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 16, 2016, 9:38 PM CDT (02:38 UTC)
Expired
Jul 16, 2016, 10:06 PM CDT
In force
28 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.25 in
Wind
60.0 mph

County Stevens County, MN

The radar

The Aberdeen radar (KABR), 185 km from the middle of the area, began a volume at 02:39 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 16, 9:53 PM CDTHAIL 0.882 W Chokio, 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 00:00Z, 2.6 hours before the alert went out and 198 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 00:00Z on 2016-07-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 687 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, Aberdeen, SD at 00:00Z on 2016-07-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 295 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
687 J/kg
Mixed-layer CIN
-137 J/kg
Mixed-layer LCL
1298 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
295 m²/s²
0-3 km storm-relative helicity
515 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted.

588 
WUUS53 KMPX 170238
SVRMPX
MNC149-170345-
/O.NEW.KMPX.SV.W.0163.160717T0238Z-160717T0345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
938 PM CDT SAT JUL 16 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN STEVENS COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 1045 PM CDT

* AT 938 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER JOHNSON...OR
  18 MILES WEST OF MORRIS...MOVING EAST AT 20 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...
  CHOKIO AROUND 955 PM CDT. 
  LAKE HATTIE AROUND 1015 PM CDT. 
  MORRIS AROUND 1035 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE ALBERTA
AND MORRIS AIRPORT.

THIS INCLUDES U.S. HIGHWAY 59 BETWEEN MILE MARKERS 159 AND 167.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4560 9584 4541 9596 4541 9609 4547 9624
      4564 9625
TIME...MOT...LOC 0238Z 287DEG 16KT 4558 9628 

HAIL...1.25IN
WIND...60MPH
 
$$

BORGHOFF
2 follow-up statements
635 
WWUS53 KMPX 170251
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
951 PM CDT SAT JUL 16 2016

MNC149-170345-
/O.CON.KMPX.SV.W.0163.000000T0000Z-160717T0345Z/
STEVENS MN-
951 PM CDT SAT JUL 16 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1045 PM CDT
FOR SOUTHERN STEVENS COUNTY...

AT 950 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CHOKIO...OR 12
MILES WEST OF MORRIS...MOVING SOUTHEAST AT 30 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 STORM WILL BE NEAR...
  LAKE HATTIE AROUND 1000 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE ALBERTA
AND MORRIS AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4560 9584 4541 9597 4541 9606 4549 9624
      4560 9624
TIME...MOT...LOC 0250Z 293DEG 24KT 4553 9616 

HAIL...1.25IN
WIND...60MPH
 
$$

BORGHOFF
929 
WWUS53 KMPX 170306
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1006 PM CDT SAT JUL 16 2016

MNC149-170316-
/O.CAN.KMPX.SV.W.0163.000000T0000Z-160717T0345Z/
STEVENS MN-
1006 PM CDT SAT JUL 16 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN STEVENS COUNTY IS
CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 200 AM CDT FOR
WEST CENTRAL MINNESOTA.

LAT...LON 4560 9584 4541 9597 4541 9606 4549 9624
      4560 9624
TIME...MOT...LOC 0303Z 287DEG 16KT 4551 9606 

$$

BORGHOFF

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 16, 7:03 PM CDTSevere Thunderstorm WarningMPXLac qui Parle42 min
Jul 16, 7:31 PM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Renville, Yellow Medicine59 min
Jul 16, 8:04 PM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Redwood, Renville, Yellow Medicine71 min
Jul 16, 8:35 PM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker, Renville, Sibley55 min
Jul 16, 9:12 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet, Redwood63 min
Jul 16, 9:30 PM CDTSevere Thunderstorm WarningMPXMcLeod, Nicollet, Renville, Sibley60 min
Jul 16, 9:53 PM CDTFlash Flood WatchMPXBlue Earth, Brown, Faribault, Freeborn, Martin, Nicollet and 4 more6 hr
Jul 16, 10:03 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood57 min
Jul 16, 10:16 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Brown, Watonwan44 min
Jul 16, 11:31 PM CDTFlash Flood WarningMPXBrown, Redwood, Watonwan4 hr
Jul 17, 12:00 AM CDTFlash Flood WarningMPXBlue Earth, Faribault, Freeborn, Martin5 hr

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.