Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 41, NWS Twin Cities, MN

May 17, 2017Rice County, Steele County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 17, 2017, 4:00 PM CDT for Rice County, Steele County, Minnesota. It was in force for 30 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: May 17, 2017, 4:00 PM CDT (21:00 UTC)
Expired: May 17, 2017, 4:30 PM CDT
In force: 30 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Rice County, MN, Steele County, MN

The radar

The Minneapolis radar (KMPX), 79 km from the middle of the area, began a volume at 21:02 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 17, 2:53 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.0 hours before the alert went out and 80 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 737 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: 3 m²/s²
0-3 km storm-relative helicity: -70 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

175 
WUUS53 KMPX 172100
SVRMPX
MNC131-147-172130-
/O.NEW.KMPX.SV.W.0041.170517T2100Z-170517T2130Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
400 PM CDT WED MAY 17 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern Steele County in south central Minnesota...
  Southeastern Rice County in south central Minnesota...

* Until 430 PM CDT

* At 400 PM CDT, a severe thunderstorm was located over Merton, or
  near Owatonna, moving north 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,
  Nerstrand around 425 PM CDT. 

Other locations impacted by this severe thunderstorm include Clinton
Falls, Merton, Ruskin, Faribault Airport and Owatonna Airport.

This includes Interstate 35 between mile markers 43 and 55, and
between mile markers 59 and 62.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1000 PM CDT for south central
and southeastern Minnesota.

LAT...LON 4409 9326 4437 9332 4435 9304 4423 9304
      4407 9313
TIME...MOT...LOC 2100Z 186DEG 28KT 4415 9318 

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

SPD

2 follow-up statements

802 
WWUS53 KMPX 172121
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
421 PM CDT WED MAY 17 2017

MNC147-172131-
/O.CAN.KMPX.SV.W.0041.000000T0000Z-170517T2130Z/
Steele MN-
421 PM CDT WED MAY 17 2017

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN STEELE COUNTY IS
CANCELLED...
    
The severe thunderstorm which prompted the warning has moved out of 
the warned area. Therefore, the warning has been cancelled.

A tornado watch remains in effect until 1000 PM CDT for south central
and southeastern Minnesota.

LAT...LON 4424 9318 4436 9322 4435 9304 4423 9304
      4420 9306
TIME...MOT...LOC 2121Z 186DEG 28KT 4432 9316 

$$

MNC131-172130-
/O.CON.KMPX.SV.W.0041.000000T0000Z-170517T2130Z/
Rice MN-
421 PM CDT WED MAY 17 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR SOUTHEASTERN RICE COUNTY...

At 421 PM CDT, a severe thunderstorm was located near Ruskin, or near
Faribault, moving north 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. 

Locations impacted include...
Nerstrand and Ruskin. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

A tornado watch remains in effect until 1000 PM CDT for south central
and southeastern Minnesota.

LAT...LON 4424 9318 4436 9322 4435 9304 4423 9304
      4420 9306
TIME...MOT...LOC 2121Z 186DEG 28KT 4432 9316 

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

SPD

187 
WWUS53 KMPX 172124
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
424 PM CDT WED MAY 17 2017

MNC131-172134-
/O.EXP.KMPX.SV.W.0041.000000T0000Z-170517T2130Z/
Rice MN-
424 PM CDT WED MAY 17 2017

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN RICE COUNTY WILL
EXPIRE AT 430 PM CDT...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.

A tornado watch remains in effect until 1000 PM CDT for south central
and southeastern Minnesota.

LAT...LON 4424 9318 4436 9322 4435 9304 4423 9304
      4420 9306
TIME...MOT...LOC 2124Z 186DEG 28KT 4433 9316 

$$

SPD

The office that day

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

Issued	Product	Office	Counties	Lasted
May 16, 9:42 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn	48 min
May 17, 2:34 PM CDT	Special Weather Statement	MPX	Freeborn	26 min
May 17, 2:44 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	31 min
May 17, 2:56 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	34 min
May 17, 3:03 PM CDT	Special Weather Statement	MPX	Martin, Watonwan	42 min
May 17, 3:08 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn, Steele	24 min
May 17, 3:10 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault	35 min
May 17, 3:23 PM CDT	Special Weather Statement	MPX	Martin	22 min
May 17, 3:30 PM CDT	Severe Thunderstorm Warning	MPX	Steele	30 min
May 17, 3:42 PM CDT	Tornado Warning	MPX	Blue Earth	33 min
May 17, 3:55 PM CDT	Tornado Warning	MPX	Steele	21 min
May 17, 4:03 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet	27 min
May 17, 4:11 PM CDT	Tornado Warning	MPX	Blue Earth, Nicollet	19 min
May 17, 5:00 PM CDT	Special Weather Statement	MPX	Nicollet	30 min
May 17, 5:01 PM CDT	Flash Flood Warning	MPX	Blue Earth, Le Sueur, Nicollet	119 min
May 17, 5:13 PM CDT	Special Weather Statement	MPX	Anoka	32 min
May 17, 5:45 PM CDT	Special Weather Statement	MPX	Carver	30 min
May 17, 5:50 PM CDT	Special Weather Statement	MPX	Chisago	25 min
May 17, 6:04 PM CDT	Special Weather Statement	MPX	Hennepin, Rice, Scott, Wright	56 min
May 17, 6:08 PM CDT	Special Weather Statement	MPX	Martin	37 min
May 17, 6:11 PM CDT	Special Weather Statement	MPX	Chisago	64 min
May 17, 6:45 PM CDT	Special Weather Statement	MPX	Sherburne	60 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2017 Every severe thunderstorm warning in 2017

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.