Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 193, NWS Twin Cities, MN

August 4, 2016Steele County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 4, 2016, 12:53 PM CDT for Steele County, Minnesota. It was in force for 22 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: Aug 4, 2016, 12:53 PM CDT (17:53 UTC)
Expired: Aug 4, 2016, 1:15 PM CDT
In force: 22 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

County Steele County, MN

The radar

The Minneapolis radar (KMPX), 97 km from the middle of the area, began a volume at 17:57 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

Time	Report	Where	Remark
Aug 4, 1:03 PM CDT	HAIL 1.5	4 Sse Owatonna, MN	PHOTOS POSTED TO KAAL FACEBOOK PAGE.

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, 5.9 hours before the alert went out and 98 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1323 J/kg
Mixed-layer CIN: -94 J/kg
Mixed-layer LCL: 839 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 214 m²/s²
0-3 km storm-relative helicity: 158 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 8.2

Open this sounding in Storm Lab

The text

As transmitted.

753 
WUUS53 KMPX 041753
SVRMPX
MNC147-041815-
/O.NEW.KMPX.SV.W.0193.160804T1753Z-160804T1815Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1253 PM CDT THU AUG 4 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEASTERN STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 115 PM CDT

* AT 1253 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR OWATONNA...
  MOVING EAST AT 40 MPH.

  HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  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 THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF
  NORTHEASTERN STEELE COUNTY...INCLUDING THE FOLLOWING LOCATIONS:
  BIXBY.

THIS INCLUDES U.S. HIGHWAY 14 BETWEEN MILE MARKERS 176 AND 182.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4398 9325 4414 9318 4412 9305 4392 9305
TIME...MOT...LOC 1753Z 283DEG 34KT 4403 9314 

HAIL...1.75IN
WIND...60MPH
 
$$

SPD

2 follow-up statements

404 
WWUS53 KMPX 041806
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
106 PM CDT THU AUG 4 2016

MNC147-041815-
/O.CON.KMPX.SV.W.0193.000000T0000Z-160804T1815Z/
STEELE MN-
106 PM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 115 PM CDT
FOR EAST CENTRAL STEELE COUNTY...

AT 105 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR COUNTY ROADS 3
AND 6...OR NEAR DODGE CENTER...MOVING EAST AT 40 MPH.

HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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 THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF EAST
CENTRAL STEELE COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4398 9319 4413 9313 4412 9305 4395 9305
TIME...MOT...LOC 1805Z 283DEG 34KT 4400 9298 

HAIL...1.75IN
WIND...60MPH
 
$$

SPD

882 
WWUS53 KMPX 041811
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
111 PM CDT THU AUG 4 2016

MNC147-041820-
/O.EXP.KMPX.SV.W.0193.000000T0000Z-160804T1815Z/
STEELE MN-
111 PM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL STEELE COUNTY
WILL EXPIRE AT 115 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS. THEREFORE THE WARNING WILL
BE ALLOWED TO EXPIRE.

LAT...LON 4398 9319 4413 9313 4412 9305 4395 9305
TIME...MOT...LOC 1809Z 283DEG 34KT 4400 9298 

$$

SPD

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 4, 1:37 AM CDT	Special Weather Statement	MPX	Douglas, Pope, Stevens	53 min
Aug 4, 2:08 AM CDT	Special Weather Statement	MPX	Todd	67 min
Aug 4, 2:33 AM CDT	Special Weather Statement	MPX	Morrison	57 min
Aug 4, 2:40 AM CDT	Severe Thunderstorm Warning	MPX	Morrison, Todd	50 min
Aug 4, 3:23 AM CDT	Special Weather Statement	MPX	Mille Lacs	52 min
Aug 4, 3:46 AM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs	44 min
Aug 4, 5:18 AM CDT	Special Weather Statement	MPX	Yellow Medicine	42 min
Aug 4, 5:34 AM CDT	Special Weather Statement	MPX	Wright	41 min
Aug 4, 5:49 AM CDT	Special Weather Statement	MPX	Yellow Medicine	56 min
Aug 4, 6:02 AM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Wright	28 min
Aug 4, 6:10 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood, Renville, Yellow Medicine	50 min
Aug 4, 6:52 AM CDT	Special Weather Statement	MPX	Carver, Hennepin, Ramsey, Washington	53 min
Aug 4, 7:31 AM CDT	Special Weather Statement	MPX	Carver, Dakota, Hennepin, Le Sueur, Ramsey, Rice and 2 more	59 min
Aug 4, 7:52 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Wright	26 min
Aug 4, 8:18 AM CDT	Special Weather Statement	MPX	Anoka	27 min
Aug 4, 8:35 AM CDT	Special Weather Statement	MPX	Chisago	25 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016 Every 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.