Alert archive / Minnesota / Tornado Warnings in 2019

Tornado Warning 38, NWS Twin Cities, MN

July 28, 2019Chisago County, Washington County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 28, 2019, 4:25 PM CDT for Chisago County, Washington County, Minnesota. It was in force for 35 min. 3 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 28, 2019, 4:25 PM CDT (21:25 UTC)
Expired
Jul 28, 2019, 5:00 PM CDT
In force
35 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

Counties Chisago County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 84 km from the middle of the area, began a volume at 21:26 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

TimeReportWhereRemark
Jul 28, 4:26 PM CDTTORNADO4 Ese Forest Lake, MNTORNADO SPUN UP ON SOUTHWEST SIDE OF SYLVAN LAKE AND CONTINUED NORTHEAST IN A BROKEN PATH THROUGH BONE LAKE AND ENDING JUST SOUTH OF SPIDER LAKE. MOSTLY TREE DAMAGE OCCURRED. MAX PATH WIDTH 1/4 MILE WITH 90 MPH WINDS.
Jul 28, 4:30 PM CDTTORNADO4 W Scandia, MNAMENDS PREVIOUS TORNADO REPORT FROM 4 W SCANDIA. MULTIPLE REPORTS OF TREES DOWN AND TREES ON 2 HOUSES. ADDITIONAL DAMAGE REPORTED NW TOWARD MORGAN AVE. AND 238TH ST 3 NW OF SCANDIA. TREES DOWN ON POWER LINES AND BUILDING DAMAGE REPORTED.
Jul 28, 4:30 PM CDTTORNADO4 W Scandia, MNMULTIPLE REPORTS OF TREES DOWN AND TREES ON 2 HOUSES.

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.

IssuedProductOfficeLasted
Jul 28, 2:51 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.4 hours before the alert went out and 86 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.

177 
WFUS53 KMPX 282125
TORMPX
MNC025-163-282200-
/O.NEW.KMPX.TO.W.0038.190728T2125Z-190728T2200Z/

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

The National Weather Service in The Twin Cities has issued a

* Tornado Warning for...
  Southeastern Chisago County in east central Minnesota...
  Northern Washington County in east central Minnesota...

* Until 500 PM CDT.
    
* At 425 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Hugo, or 20 miles northeast of St. Paul, moving
  northeast at 35 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...
  Scandia around 435 PM CDT.
  Chisago City and Lindstrom around 445 PM CDT.
  Center City around 450 PM CDT.
  Taylors Falls around 455 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Shafer.

This includes U.S. Highway 8 in Minnesota between mile markers 12 and
22.
 
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 4546 9266 4540 9265 4536 9270 4533 9270
      4529 9276 4526 9275 4517 9294 4521 9301
      4549 9276
TIME...MOT...LOC 2125Z 218DEG 31KT 4522 9294 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
3 follow-up statements
032 
WWUS53 KMPX 282131
SVSMPX

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

MNC025-163-282200-
/O.CON.KMPX.TO.W.0038.000000T0000Z-190728T2200Z/
Chisago MN-Washington MN-
431 PM CDT Sun Jul 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN CHISAGO AND NORTHEASTERN WASHINGTON COUNTIES...
    
At 431 PM CDT, a confirmed tornado was located near Forest Lake, or
23 miles northeast of St. Paul, moving northeast at 30 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 tornado will be near...
  Lindstrom around 445 PM CDT.
  Chisago City and Center City around 450 PM CDT.
  Taylors Falls around 500 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Shafer.

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 4546 9266 4540 9265 4536 9270 4533 9270
      4529 9276 4526 9280 4521 9289 4524 9297
      4549 9276
TIME...MOT...LOC 2131Z 217DEG 27KT 4525 9289 

TORNADO...OBSERVED
HAIL...0.00IN

$$
259 
WWUS53 KMPX 282141
SVSMPX

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

MNC163-282150-
/O.CAN.KMPX.TO.W.0038.000000T0000Z-190728T2200Z/
Washington MN-
441 PM CDT Sun Jul 28 2019

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

A Tornado Watch remains in effect until 900 PM CDT for east central
Minnesota...and northwestern Wisconsin.

LAT...LON 4546 9266 4540 9265 4539 9267 4533 9273
      4530 9278 4529 9289 4530 9290 4549 9276
TIME...MOT...LOC 2140Z 216DEG 31KT 4532 9282 

$$

MNC025-282200-
/O.CON.KMPX.TO.W.0038.000000T0000Z-190728T2200Z/
Chisago MN-
441 PM CDT Sun Jul 28 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CDT FOR
SOUTHEASTERN CHISAGO COUNTY...
    
At 440 PM CDT, a confirmed tornado was located near Lindstrom, or 24
miles southeast of Cambridge, moving northeast at 35 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 tornado will be near...
  Center City around 445 PM CDT.
  Taylors Falls around 455 PM CDT.

Other locations impacted by this tornadic thunderstorm include
Shafer.

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 4546 9266 4540 9265 4539 9267 4533 9273
      4530 9278 4529 9289 4530 9290 4549 9276
TIME...MOT...LOC 2140Z 216DEG 31KT 4532 9282 

TORNADO...OBSERVED
HAIL...0.00IN

$$
677 
WWUS53 KMPX 282159
SVSMPX

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

MNC025-282208-
/O.EXP.KMPX.TO.W.0038.000000T0000Z-190728T2200Z/
Chisago MN-
459 PM CDT Sun Jul 28 2019

...THE TORNADO WARNING FOR SOUTHEASTERN CHISAGO COUNTY WILL EXPIRE AT
500 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer appears capable of producing a tornado.
Therefore, the warning will be allowed to expire.

A Tornado Watch remains in effect until 900 PM CDT for east central
Minnesota...and northwestern Wisconsin.

LAT...LON 4546 9266 4540 9265 4539 9267 4533 9273
      4530 9278 4529 9289 4530 9290 4549 9276
TIME...MOT...LOC 2158Z 218DEG 24KT 4539 9274 

$$

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, 3:37 PM CDTTornado WarningMPXBenton, Sherburne38 min
Jul 28, 4:08 PM CDTTornado WarningMPXAnoka22 min
Jul 28, 4:15 PM CDTTornado WarningMPXChisago, Isanti30 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.