Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 190, NWS Twin Cities, MN

August 4, 2016Hennepin County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 4, 2016, 6:02 AM CDT for Hennepin County, Wright 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: Aug 4, 2016, 6:02 AM CDT (11:02 UTC)
Expired: Aug 4, 2016, 6:30 AM CDT
In force: 28 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Hennepin County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 36 km from the middle of the area, began a volume at 11:02 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, 6:10 AM CDT	HAIL 1	5 W Rockford, MN	LASTED 5 MINUTES.

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, 11.0 hours before the alert went out and 34 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: 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.

278 
WUUS53 KMPX 041102
SVRMPX
MNC053-171-041130-
/O.NEW.KMPX.SV.W.0190.160804T1102Z-160804T1130Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHERN WRIGHT COUNTY IN CENTRAL MINNESOTA...

* UNTIL 630 AM CDT

* AT 602 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER
  MONTROSE...OR NEAR BUFFALO...MOVING EAST AT 40 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...
  BUFFALO AROUND 605 AM CDT. 
  DELANO AROUND 610 AM CDT. 
  ROCKFORD AROUND 615 AM CDT. 
  INDEPENDENCE AROUND 620 AM CDT. 
  ALBERTVILLE AND MEDINA AROUND 625 AM CDT. 
  ST. MICHAEL...OTSEGO AND CORCORAN AROUND 630 AM CDT. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4498 9409 4516 9410 4526 9364 4499 9359
TIME...MOT...LOC 1102Z 258DEG 36KT 4511 9391 

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

BORGHOFF

2 follow-up statements

413 
WWUS53 KMPX 041114
SVSMPX

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

MNC053-171-041130-
/O.CON.KMPX.SV.W.0190.000000T0000Z-160804T1130Z/
HENNEPIN MN-WRIGHT MN-
614 AM CDT THU AUG 4 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 AM CDT
FOR NORTHWESTERN HENNEPIN AND SOUTHEASTERN WRIGHT COUNTIES...

AT 614 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ROCKFORD...OR
NEAR BUFFALO...MOVING EAST AT 35 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 STORM WILL BE NEAR...
  INDEPENDENCE AROUND 625 AM CDT. 
  ST. MICHAEL...OTSEGO...CORCORAN AND MEDINA AROUND 630 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
HANOVER... BUFFALO AIRPORT...GREENFIELD...WAVERLY AND LORETTO.

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 4498 9409 4504 9408 4518 9387 4526 9364
      4499 9359
TIME...MOT...LOC 1114Z 259DEG 32KT 4511 9379 

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

BORGHOFF

891 
WWUS53 KMPX 041130
SVSMPX

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

MNC053-171-041140-
/O.EXP.KMPX.SV.W.0190.000000T0000Z-160804T1130Z/
HENNEPIN MN-WRIGHT MN-
630 AM CDT THU AUG 4 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN HENNEPIN AND
SOUTHEASTERN WRIGHT COUNTIES HAS EXPIRED...
                
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 ALLOWED TO EXPIRE.

LAT...LON 4498 9409 4504 9408 4518 9387 4526 9364
      4499 9359
TIME...MOT...LOC 1128Z 258DEG 36KT 4511 9379 

$$

BORGHOFF

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, 6:10 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
Aug 4, 12:53 PM CDT	Severe Thunderstorm Warning	MPX	Steele	22 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.