Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 122, NWS Twin Cities, MN

August 9, 2015Kandiyohi County, Meeker County, Renville County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 9, 2015, 11:31 AM CDT for Kandiyohi County, Meeker County, Renville County, Minnesota. It was in force for 44 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 9, 2015, 11:31 AM CDT (16:31 UTC)
Expired
Aug 9, 2015, 12:15 PM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Kandiyohi County, MN, Meeker County, MN, Renville County, MN

The radar

The Minneapolis radar (KMPX), 95 km from the middle of the area, began a volume at 16:34 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 4.5 hours before the alert went out and 93 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 2015-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 212 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 12:00Z on 2015-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
212 J/kg
Mixed-layer CIN
-82 J/kg
Mixed-layer LCL
926 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

120 
WUUS53 KMPX 091631
SVRMPX
MNC067-093-129-091715-
/O.NEW.KMPX.SV.W.0122.150809T1631Z-150809T1715Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1131 AM CDT SUN AUG 9 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN MEEKER COUNTY IN CENTRAL MINNESOTA...
  SOUTHEASTERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA...
  NORTHEASTERN RENVILLE COUNTY IN CENTRAL MINNESOTA...

* UNTIL 1215 PM CDT

* AT 1130 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR THORPE...OR
  13 MILES SOUTHEAST OF WILLMAR...MOVING EAST AT 30 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. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  COSMOS AROUND 1140 AM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
GREENLEAF...CEDAR MILLS...CORVUSO...THORPE...LAKESIDE...LAKE LILLIAN
AND STROUT.

THIS INCLUDES U.S. HIGHWAY 12 NEAR MILE MARKER 83...AND BETWEEN MILE
MARKERS 102 AND 105.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4514 9487 4512 9444 4479 9455 4491 9503
TIME...MOT...LOC 1630Z 284DEG 28KT 4503 9480 

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

ADL
1 follow-up statement
005 
WWUS53 KMPX 091656
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1156 AM CDT SUN AUG 9 2015

MNC067-093-129-091715-
/O.CON.KMPX.SV.W.0122.000000T0000Z-150809T1715Z/
MEEKER MN-KANDIYOHI MN-RENVILLE MN-
1156 AM CDT SUN AUG 9 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT
FOR SOUTHWESTERN MEEKER...SOUTHEASTERN KANDIYOHI AND NORTHEASTERN
RENVILLE COUNTIES...

AT 1156 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER GREENLEAF...
OR 7 MILES NORTHWEST OF HUTCHINSON...MOVING EAST AT 30 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. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHWESTERN MEEKER...SOUTHEASTERN KANDIYOHI AND NORTHEASTERN
RENVILLE COUNTIES...INCLUDING THE FOLLOWING LOCATIONS...GREENLEAF...
THORPE...LAKESIDE...CEDAR MILLS...STROUT AND CORVUSO.

THIS INCLUDES U.S. HIGHWAY 12 NEAR MILE MARKER 87...AND BETWEEN MILE
MARKERS 102 AND 105.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

LARGE HAIL AND DAMAGING WINDS AND CONTINUOUS CLOUD TO GROUND
LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
LIGHTNING IS ONE OF NATURES LEADING KILLERS. REMEMBER...IF YOU CAN
HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING.

&&

LAT...LON 4512 9444 4479 9455 4487 9487 4514 9479
TIME...MOT...LOC 1656Z 284DEG 28KT 4497 9448 

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

ADL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 8, 8:40 PM CDTSpecial Weather StatementMPXDouglas35 min
Aug 8, 9:33 PM CDTSpecial Weather StatementMPXPope27 min
Aug 8, 10:01 PM CDTSpecial Weather StatementMPXStevens29 min
Aug 8, 10:33 PM CDTSpecial Weather StatementMPXMorrison27 min
Aug 9, 12:17 AM CDTSpecial Weather StatementMPXMorrison28 min
Aug 9, 8:04 AM CDTSpecial Weather StatementMPXLac qui Parle26 min
Aug 9, 10:32 AM CDTSpecial Weather StatementMPXKandiyohi28 min
Aug 9, 10:51 AM CDTSpecial Weather StatementMPXKandiyohi24 min
Aug 9, 11:17 AM CDTSpecial Weather StatementMPXKandiyohi28 min
Aug 9, 12:06 PM CDTSpecial Weather StatementMPXMcLeod39 min
Aug 9, 2:02 PM CDTSpecial Weather StatementMPXAnoka, Hennepin118 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015Every severe thunderstorm warning in 2015

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.