Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 115, NWS Twin Cities, MN

August 3, 20184 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 3, 2018, 6:04 PM CDT for 4 counties in Minnesota. It was in force for 41 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: Aug 3, 2018, 6:04 PM CDT (23:04 UTC)
Expired: Aug 3, 2018, 6:45 PM CDT
In force: 41 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Kandiyohi County, MN, Pope County, MN, Stearns County, MN, Swift County, MN

The radar

The Minneapolis radar (KMPX), 136 km from the middle of the area, began a volume at 23:04 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 12:00Z, 11.1 hours before the alert went out and 133 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: 42 J/kg
Mixed-layer CIN: -626 J/kg
Mixed-layer LCL: 955 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 186 m²/s²
0-3 km storm-relative helicity: 260 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 4.6

Open this sounding in Storm Lab

The text

As transmitted.

086 
WUUS53 KMPX 032304
SVRMPX
MNC067-121-145-151-032345-
/O.NEW.KMPX.SV.W.0115.180803T2304Z-180803T2345Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
604 PM CDT FRI AUG 3 2018

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Southeastern Pope County in west central Minnesota...
  Southwestern Stearns County in central Minnesota...
  Northeastern Swift County in west central Minnesota...
  Northern Kandiyohi County in central Minnesota...

* Until 645 PM CDT.

* At 604 PM CDT, severe thunderstorms were located along a line
  extending from near Gilchrist to Sunburg to 6 miles northeast of
  Kerkhoven, moving east at 35 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Trained weather spotters.

  IMPACT...Expect damage to roofs, siding, and trees.

* Severe thunderstorms will be near...
  Willmar around 615 PM CDT.
  Brooten around 620 PM CDT.
  New London, Spicer and Belgrade around 625 PM CDT.

Other locations impacted by these severe thunderstorms include
Gilchrist, Green Lake, Georgeville, Elrosa, Hawick, Norway Lake,
Sunburg, Regal, Padua and Spring Hill.

Trees were reported down just west of Sunburg at 601 pm.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4545 9546 4561 9489 4539 9476 4518 9476
      4520 9526 4533 9533
TIME...MOT...LOC 2304Z 261DEG 31KT 4541 9528 4534 9522 4524 9521 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF

1 follow-up statement

553 
WWUS53 KMPX 032322
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
622 PM CDT FRI AUG 3 2018

MNC151-032331-
/O.CAN.KMPX.SV.W.0115.000000T0000Z-180803T2345Z/
Swift MN-
622 PM CDT FRI AUG 3 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SWIFT COUNTY IS
CANCELLED...

The storms which prompted the warning have moved out of the warned 
area. Therefore, the warning has been cancelled.

LAT...LON 4549 9526 4561 9489 4539 9476 4518 9476
      4520 9513 4535 9512
TIME...MOT...LOC 2321Z 257DEG 29KT 4546 9515 4538 9502 4523 9503 

$$

MNC067-121-145-032345-
/O.CON.KMPX.SV.W.0115.000000T0000Z-180803T2345Z/
Pope MN-Stearns MN-Kandiyohi MN-
622 PM CDT FRI AUG 3 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM CDT
FOR SOUTHEASTERN POPE...SOUTHWESTERN STEARNS AND NORTHEASTERN
KANDIYOHI COUNTIES...

At 621 PM CDT, severe thunderstorms were located along a line
extending from near Brooten to near Belgrade to near Spicer, moving
east at 35 mph.

HAZARD...60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...Expect damage to roofs, siding, and trees.

These severe storms will be near...
  New London and Spicer around 630 PM CDT.
  Belgrade around 635 PM CDT.

Other locations impacted by these severe thunderstorms include Green
Lake, Georgeville, Elrosa, Hawick, Norway Lake, Regal and Spring
Hill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4549 9526 4561 9489 4539 9476 4518 9476
      4520 9513 4535 9512
TIME...MOT...LOC 2321Z 257DEG 29KT 4546 9515 4538 9502 4523 9503 

HAIL...<.75IN
WIND...60MPH
 
$$

BORGHOFF

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 3, 7:37 AM CDT	Special Weather Statement	MPX	Meeker	38 min
Aug 3, 7:47 AM CDT	Severe Thunderstorm Warning	MPX	Meeker	43 min
Aug 3, 8:12 AM CDT	Severe Thunderstorm Warning	MPX	Wright	48 min
Aug 3, 8:51 AM CDT	Special Weather Statement	MPX	Ramsey	24 min
Aug 3, 8:54 AM CDT	Special Weather Statement	MPX	Hennepin	36 min
Aug 3, 9:10 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin, Scott	35 min
Aug 3, 9:24 AM CDT	Special Weather Statement	MPX	Washington	36 min
Aug 3, 9:43 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Washington	32 min
Aug 3, 10:36 AM CDT	Special Weather Statement	MPX	Todd	24 min
Aug 3, 11:36 AM CDT	Special Weather Statement	MPX	Kanabec, Mille Lacs	24 min
Aug 3, 12:02 PM CDT	Special Weather Statement	MPX	Kanabec, Mille Lacs	28 min
Aug 3, 1:09 PM CDT	Special Weather Statement	MPX	Kanabec, Mille Lacs	51 min
Aug 3, 2:13 PM CDT	Special Weather Statement	MPX	Kanabec	32 min
Aug 3, 4:21 PM CDT	Special Weather Statement	MPX	Stevens	39 min
Aug 3, 4:32 PM CDT	Special Weather Statement	MPX	Lac qui Parle	43 min
Aug 3, 4:41 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	49 min
Aug 3, 5:41 PM CDT	Special Weather Statement	MPX	Chippewa, Lac qui Parle, Pope, Swift, Yellow Medicine	34 min
Aug 3, 6:28 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	47 min
Aug 3, 6:34 PM CDT	Tornado Warning	MPX	Kandiyohi, Meeker	26 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2018 Every severe thunderstorm warning in 2018

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.