Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017

Severe Thunderstorm Warning 101, NWS Twin Cities, MN

July 4, 2017Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 4, 2017, 10:05 PM CDT for Wright County, Minnesota. It was in force for 55 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, 10:05 PM CDT (03:05 UTC)
Expired: Jul 4, 2017, 11:00 PM CDT
In force: 55 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

County Wright County, MN

The radar

The Minneapolis radar (KMPX), 54 km from the middle of the area, began a volume at 03:06 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, 3.1 hours before the alert went out and 52 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.

782 
WUUS53 KMPX 050305
SVRMPX
MNC171-050400-
/O.NEW.KMPX.SV.W.0101.170705T0305Z-170705T0400Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1005 PM CDT TUE JUL 4 2017

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Western Wright County in central Minnesota...

* Until 1100 PM CDT

* At 1004 PM CDT, severe thunderstorms were located along a line
  extending from French Lake to near Smith Lake, moving northeast at
  15 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. 

* Severe thunderstorms will be near,
  Howard Lake around 1015 PM CDT. 
  Annandale around 1020 PM CDT. 
  Montrose and Maple Lake around 1040 PM CDT. 
  Buffalo around 1100 PM CDT. 

Other locations impacted by these severe thunderstorms include
Rassat, French Lake, Waverly and Smith Lake.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.

&&

LAT...LON 4536 9397 4500 9381 4500 9425 4524 9425
TIME...MOT...LOC 0304Z 243DEG 15KT 4521 9421 4505 9415 

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

BORGHOFF

3 follow-up statements

184 
WWUS53 KMPX 050322
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1022 PM CDT TUE JUL 4 2017

MNC171-050400-
/O.CON.KMPX.SV.W.0101.000000T0000Z-170705T0400Z/
Wright MN-
1022 PM CDT TUE JUL 4 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR WESTERN WRIGHT COUNTY...

At 1022 PM CDT, a severe thunderstorm was located near French Lake,
or 11 miles west of Buffalo, moving northeast at 15 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

This severe storm will be near...
  Annandale around 1025 PM CDT. 
  Maple Lake around 1045 PM CDT. 
  Buffalo around 1050 PM CDT. 

Other locations impacted by this severe thunderstorm include Rassat,
French Lake, Waverly and Smith Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4507 9384 4503 9425 4524 9425 4536 9397
TIME...MOT...LOC 0322Z 237DEG 14KT 4519 9409 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF

243 
WWUS53 KMPX 050343
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1043 PM CDT TUE JUL 4 2017

MNC171-050400-
/O.CON.KMPX.SV.W.0101.000000T0000Z-170705T0400Z/
Wright MN-
1043 PM CDT TUE JUL 4 2017

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR CENTRAL WRIGHT COUNTY...

At 1043 PM CDT, a severe thunderstorm was located near Maple Lake, or
near Buffalo, moving northeast at 15 mph.

HAZARD...Quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Damage to vehicles is expected. 

Locations impacted include...
Buffalo, Maple Lake and Rassat. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.

&&

LAT...LON 4513 9387 4512 9405 4523 9404 4527 9394
TIME...MOT...LOC 0343Z 245DEG 14KT 4520 9395 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF

279 
WWUS53 KMPX 050353
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1053 PM CDT TUE JUL 4 2017

MNC171-050403-
/O.EXP.KMPX.SV.W.0101.000000T0000Z-170705T0400Z/
Wright MN-
1053 PM CDT TUE JUL 4 2017

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WRIGHT COUNTY WILL
EXPIRE AT 1100 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.  However gusty winds and heavy rain are still
possible with this thunderstorm.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.

LAT...LON 4513 9387 4512 9405 4523 9404 4527 9394
TIME...MOT...LOC 0353Z 243DEG 15KT 4522 9390 

$$

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, 9:25 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Wright	50 min
Jul 4, 9:31 PM CDT	Special Weather Statement	MPX	Freeborn	44 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.