Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 34, NWS Twin Cities, MN

July 28, 2019Benton County, Sherburne County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 28, 2019, 3:37 PM CDT for Benton County, Sherburne County, Minnesota. It was in force for 38 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 28, 2019, 3:37 PM CDT (20:37 UTC)
Expired
Jul 28, 2019, 4:15 PM CDT
In force
38 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Benton County, MN, Sherburne County, MN

The radar

The Minneapolis radar (KMPX), 91 km from the middle of the area, began a volume at 20:37 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.

IssuedProductOfficeLasted
Jul 28, 2:51 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.6 hours before the alert went out and 90 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2019-07-28Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2019-07-28The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 54 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
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
1530 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
54 m²/s²
0-3 km storm-relative helicity
84 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

892 
WFUS53 KMPX 282037
TORMPX
MNC009-141-282115-
/O.NEW.KMPX.TO.W.0034.190728T2037Z-190728T2115Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
337 PM CDT Sun Jul 28 2019

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Southeastern Benton County in central Minnesota...
  Northwestern Sherburne County in central Minnesota...

* Until 415 PM CDT.
    
* At 336 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Clear Lake, or 10 miles east of St. Cloud, moving
  northeast at 30 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This dangerous storm will be near...
  Foley around 350 PM CDT.

Other locations impacted by this tornadic thunderstorm include Duelm,
Oak Park, Parent, St Cloud Airport and Ronneby.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4570 9376 4559 9376 4549 9403 4556 9409
      4581 9377
TIME...MOT...LOC 2036Z 219DEG 27KT 4555 9399 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
2 follow-up statements
846 
WWUS53 KMPX 282047
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
347 PM CDT Sun Jul 28 2019

MNC141-282056-
/O.CAN.KMPX.TO.W.0034.000000T0000Z-190728T2115Z/
Sherburne MN-
347 PM CDT Sun Jul 28 2019

...THE TORNADO WARNING FOR NORTHWESTERN SHERBURNE COUNTY IS
CANCELLED...
    
The tornadic thunderstorm which prompted the warning has moved out 
of the warned area. Therefore, the warning has been cancelled.

LAT...LON 4570 9376 4559 9376 4556 9389 4556 9402
      4560 9402 4581 9377
TIME...MOT...LOC 2046Z 231DEG 21KT 4559 9395 

$$

MNC009-282115-
/O.CON.KMPX.TO.W.0034.000000T0000Z-190728T2115Z/
Benton MN-
347 PM CDT Sun Jul 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
SOUTHEASTERN BENTON COUNTY...
    
At 346 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Foley, or 12 miles east of St. Cloud, moving
northeast at 25 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This dangerous storm will be near...
  Foley around 355 PM CDT.

Other locations impacted by this tornadic thunderstorm include Duelm,
Oak Park and Ronneby.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4570 9376 4559 9376 4556 9389 4556 9402
      4560 9402 4581 9377
TIME...MOT...LOC 2046Z 231DEG 21KT 4559 9395 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$
545 
WWUS53 KMPX 282103
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
403 PM CDT Sun Jul 28 2019

MNC009-282115-
/O.CON.KMPX.TO.W.0034.000000T0000Z-190728T2115Z/
Benton MN-
403 PM CDT Sun Jul 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 415 PM CDT FOR
SOUTHEASTERN BENTON COUNTY...
    
At 403 PM CDT, a confirmed tornado was located near Foley, or 16 
miles east of St. Cloud, moving northeast at 20 mph.

HAZARD...Damaging tornado.

SOURCE...Law enforcement confirmed tornado.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
southeastern Benton County, including the following locations... Oak
Park and Ronneby.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

&&

LAT...LON 4570 9376 4562 9376 4558 9387 4559 9393
      4563 9395 4577 9377
TIME...MOT...LOC 2103Z 229DEG 18KT 4564 9386 

TORNADO...OBSERVED
HAIL...<.75IN

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 28, 3:19 PM CDTTornado Warning Tornado observedMPXMcLeod41 min
Jul 28, 4:08 PM CDTTornado WarningMPXAnoka22 min
Jul 28, 4:15 PM CDTTornado WarningMPXChisago, Isanti30 min
Jul 28, 4:25 PM CDTTornado WarningMPXChisago, Washington35 min
Jul 28, 6:34 PM CDTSpecial Weather StatementMPXMcLeod26 min

Nearby

Tornado Warnings in Minnesota, 2019Every tornado warning in 2019Tornadoes 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.