Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 142, NWS Twin Cities, MN

July 26, 2019Anoka County, Sherburne County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 26, 2019, 7:11 PM CDT for Anoka County, Sherburne County, Wright County, Minnesota. It was in force for 49 min. 6 reports 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: Jul 26, 2019, 7:11 PM CDT (00:11 UTC)
Expired: Jul 26, 2019, 8:00 PM CDT
In force: 49 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.75 in
Wind: 60.0 mph

Counties Anoka County, MN, Sherburne County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 52 km from the middle of the area, began a volume at 00:13 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
Jul 26, 7:15 PM CDT	HAIL 1.25	Dayton, MN
Jul 26, 7:17 PM CDT	HAIL 2	4 S Orrock, MN
Jul 26, 7:24 PM CDT	HAIL 1	5 Ene Big Lake, MN
Jul 26, 7:28 PM CDT	HAIL 1.75	4 Sw Zimmerman, MN	MOSTLY DIME SIZE BUT SOME GOLF BALL SIZE.
Jul 26, 7:30 PM CDT	HAIL 1.25	4 Nnw Otsego, MN
Jul 26, 7:38 PM CDT	HAIL 1.25	4 Sse Zimmerman, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

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

Issued	Product	Office	Lasted
Jul 26, 6:34 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.2 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: 1361 J/kg
Mixed-layer CIN: -70 J/kg
Mixed-layer LCL: 1457 m above ground
0-6 km bulk shear: 46 kt
0-1 km storm-relative helicity: 127 m²/s²
0-3 km storm-relative helicity: 202 m²/s²
Significant tornado parameter: 0.4
Supercell composite: 11.0

Open this sounding in Storm Lab

The text

As transmitted.

732 
WUUS53 KMPX 270011
SVRMPX
MNC003-141-171-270100-
/O.NEW.KMPX.SV.W.0142.190727T0011Z-190727T0100Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
711 PM CDT Fri Jul 26 2019

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern Wright County in central Minnesota...
  Northwestern Anoka County in east central Minnesota...
  Southeastern Sherburne County in central Minnesota...

* Until 800 PM CDT.

* At 711 PM CDT, a severe thunderstorm was located near Big Lake, or
  15 miles northeast of Buffalo, moving southeast at 25 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Ramsey, Elk River, St. Michael, Otsego, Monticello, Big Lake, St.
  Francis, Albertville, Zimmerman, Nowthen and Orrock.

This includes the following highways...
 U.S. Highway 10 in Minnesota between mile markers 199 and 217.
 U.S. Highway 169 between mile markers 159 and 167.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move immediately to shelter inside a strong building. Stay
away from windows.

&&

LAT...LON 4540 9338 4523 9349 4524 9351 4523 9353
      4522 9359 4534 9386 4545 9379
TIME...MOT...LOC 0011Z 300DEG 21KT 4538 9373 

HAIL...1.75IN
WIND...60MPH
 
$$

JLT

3 follow-up statements

894 
WWUS53 KMPX 270023
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
723 PM CDT Fri Jul 26 2019

MNC003-141-171-270100-
/O.CON.KMPX.SV.W.0142.000000T0000Z-190727T0100Z/
Wright MN-Anoka MN-Sherburne MN-
723 PM CDT Fri Jul 26 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR EAST CENTRAL WRIGHT...NORTHWESTERN ANOKA AND SOUTHEASTERN
SHERBURNE COUNTIES...

At 723 PM CDT, a severe thunderstorm was located near Elk River, or
15 miles northeast of Buffalo, moving southeast at 25 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Ramsey, Elk River, St. Michael, Otsego, Monticello, Big Lake, St.
Francis, Albertville, Zimmerman and Nowthen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 4540 9338 4523 9349 4524 9351 4523 9353
      4522 9359 4532 9381 4544 9373
TIME...MOT...LOC 0023Z 300DEG 21KT 4534 9364 

HAIL...1.75IN
WIND...60MPH
 
$$

JLT

635 
WWUS53 KMPX 270031
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
731 PM CDT Fri Jul 26 2019

MNC003-141-171-270100-
/O.CON.KMPX.SV.W.0142.000000T0000Z-190727T0100Z/
Wright MN-Anoka MN-Sherburne MN-
731 PM CDT Fri Jul 26 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR EAST CENTRAL WRIGHT...NORTHWESTERN ANOKA AND SOUTHEASTERN
SHERBURNE COUNTIES...

At 731 PM CDT, a severe thunderstorm was located over Elk River, or
16 miles northeast of Buffalo, moving southeast at 25 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Ramsey, Elk River, St. Michael, Otsego, Monticello, Big Lake, St.
Francis, Albertville, Zimmerman and Nowthen.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 4540 9338 4523 9349 4524 9351 4523 9353
      4522 9359 4530 9376 4543 9365
TIME...MOT...LOC 0031Z 300DEG 21KT 4532 9358 

HAIL...1.75IN
WIND...60MPH
 
$$

JLT

303 
WWUS53 KMPX 270041
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
741 PM CDT Fri Jul 26 2019

MNC171-270051-
/O.CAN.KMPX.SV.W.0142.000000T0000Z-190727T0100Z/
Wright MN-
741 PM CDT Fri Jul 26 2019

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

A Severe Thunderstorm Watch remains in effect until 100 AM CDT for
east central Minnesota.

LAT...LON 4540 9338 4523 9349 4527 9355 4530 9357
      4529 9358 4530 9365 4542 9355
TIME...MOT...LOC 0041Z 300DEG 21KT 4529 9351 

$$

MNC003-141-270100-
/O.CON.KMPX.SV.W.0142.000000T0000Z-190727T0100Z/
Anoka MN-Sherburne MN-
741 PM CDT Fri Jul 26 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 800 PM CDT
FOR NORTHWESTERN ANOKA AND SOUTHEASTERN SHERBURNE COUNTIES...

At 741 PM CDT, a severe thunderstorm was located near Ramsey, or 18
miles northeast of Buffalo, moving southeast at 25 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...
Ramsey, Elk River, Otsego, St. Francis and Nowthen. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

Prepare immediately for large hail and damaging winds. People outside
should move to a shelter, inside a strong building and away from
windows.

&&

LAT...LON 4540 9338 4523 9349 4527 9355 4530 9357
      4529 9358 4530 9365 4542 9355
TIME...MOT...LOC 0041Z 300DEG 21KT 4529 9351 

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

JLT

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 26, 7:34 PM CDT	Special Weather Statement	MPX	Ramsey, Washington	41 min
Jul 26, 7:47 PM CDT	Severe Thunderstorm Warning	MPX	Anoka	28 min
Jul 26, 8:05 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey, Washington	25 min
Jul 26, 8:32 PM CDT	Special Weather Statement	MPX	Anoka, Washington	58 min
Jul 26, 8:56 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey, Washington	34 min
Jul 26, 9:13 PM CDT	Severe Thunderstorm Warning	MPX	Washington	32 min
Jul 26, 11:12 PM CDT	Special Weather Statement	MPX	Le Sueur	33 min
Jul 27, 12:15 AM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice, Steele, Waseca	27 min
Jul 27, 12:47 AM CDT	Special Weather Statement	MPX	Goodhue	28 min
Jul 27, 12:56 AM CDT	Special Weather Statement	MPX	Steele, Waseca	64 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2019 Every severe thunderstorm warning in 2019

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.