Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 100, NWS Twin Cities, MN

July 4, 2017Meeker County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 4, 2017, 9:25 PM CDT for Meeker County, Wright County, Minnesota. It was in force for 50 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: Jul 4, 2017, 9:25 PM CDT (02:25 UTC)
Expired: Jul 4, 2017, 10:15 PM CDT
In force: 50 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Meeker County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 69 km from the middle of the area, began a volume at 02:29 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 00:00Z, 2.4 hours before the alert went out and 67 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: 1981 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 1379 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 20 m²/s²
0-3 km storm-relative helicity: 96 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

176 
WUUS53 KMPX 050225
SVRMPX
MNC093-171-050315-
/O.NEW.KMPX.SV.W.0100.170705T0225Z-170705T0315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
925 PM CDT TUE JUL 4 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  West central Wright County in central Minnesota...
  Northeastern Meeker County in central Minnesota...

* Until 1015 PM CDT

* At 925 PM CDT, a severe thunderstorm was located over Darwin, or 17
  miles north of Hutchinson, moving northeast 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,
  Dassel around 930 PM CDT. 

Other locations impacted by this severe thunderstorm include Darwin,
French Lake, Forest City and South Haven.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4531 9418 4510 9414 4507 9447 4520 9448
      4532 9420 4532 9419
TIME...MOT...LOC 0225Z 244DEG 16KT 4514 9441 

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

BORGHOFF

1 follow-up statement

352 
WWUS53 KMPX 050241
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
941 PM CDT TUE JUL 4 2017

MNC093-171-050315-
/O.CON.KMPX.SV.W.0100.000000T0000Z-170705T0315Z/
Wright MN-Meeker MN-
941 PM CDT TUE JUL 4 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM CDT
FOR WEST CENTRAL WRIGHT AND NORTHEASTERN MEEKER COUNTIES...

At 940 PM CDT, a severe thunderstorm was located near French Lake, or
20 miles north of Hutchinson, moving northeast at 20 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 west 
central Wright and northeastern Meeker Counties, including the 
following locations: French Lake and South Haven.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4531 9418 4510 9414 4508 9437 4523 9441
      4532 9420 4532 9419
TIME...MOT...LOC 0240Z 242DEG 17KT 4518 9431 

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

BORGHOFF

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 4, 7:07 PM CDT	Special Weather Statement	MPX	Pope	23 min
Jul 4, 7:08 PM CDT	Special Weather Statement	MPX	Renville	37 min
Jul 4, 7:19 PM CDT	Severe Thunderstorm Warning	MPX	Renville	41 min
Jul 4, 7:32 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Swift	43 min
Jul 4, 8:15 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	45 min
Jul 4, 9:31 PM CDT	Special Weather Statement	MPX	Freeborn	44 min
Jul 4, 10:05 PM CDT	Severe Thunderstorm Warning	MPX	Wright	55 min
Jul 4, 11:14 PM CDT	Special Weather Statement	MPX	Hennepin	31 min
Jul 4, 11:37 PM CDT	Special Weather Statement	MPX	Hennepin	53 min
Jul 5, 12:05 AM CDT	Special Weather Statement	MPX	McLeod	40 min
Jul 5, 12:08 AM CDT	Special Weather Statement	MPX	Anoka	52 min
Jul 5, 2:51 AM CDT	Special Weather Statement	MPX	Douglas, Todd	39 min
Jul 5, 8:17 AM CDT	Special Weather Statement	MPX	Meeker	43 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.