Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 97, NWS Twin Cities, MN

July 15, 2019Anoka County, Hennepin County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 15, 2019, 5:00 PM CDT for Anoka County, Hennepin County, Wright County, Minnesota. It was in force for 45 min. 4 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 15, 2019, 5:00 PM CDT (22:00 UTC)
Expired
Jul 15, 2019, 5:45 PM CDT
In force
45 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.25 in
Wind
50.0 mph

Counties Anoka County, MN, Hennepin County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 42 km from the middle of the area, began a volume at 22:05 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 15, 5:17 PM CDTHAIL 0.753 Nw Maple Grove, MN
Jul 15, 5:20 PM CDTHAIL 0.7Maple Grove, MN
Jul 15, 5:24 PM CDTHAIL 11 Ese Maple Grove, MNPICTURE VIA FACEBOOK.
Jul 15, 5:28 PM CDTHAIL 12 Wnw Maple Grove, MNPICTURE VIA FACEBOOK.

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 15, 1:50 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.0 hours before the alert went out and 42 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 2019-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1021 joules per kilogram.LCLLFCEL10008507005003002001001 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 2019-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 59 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
1021 J/kg
Mixed-layer CIN
-144 J/kg
Mixed-layer LCL
1307 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
59 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

119 
WUUS53 KMPX 152200
SVRMPX
MNC003-053-171-152245-
/O.NEW.KMPX.SV.W.0097.190715T2200Z-190715T2245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
500 PM CDT Mon Jul 15 2019

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  East central Wright County in central Minnesota...
  Northern Hennepin County in east central Minnesota...
  Western Anoka County in east central Minnesota...

* Until 545 PM CDT.

* At 500 PM CDT, a severe thunderstorm was located near Corcoran, or
  11 miles southeast of Buffalo, moving east at 25 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Brooklyn Park, Plymouth, Maple Grove, Coon Rapids, Blaine, Andover,
  Brooklyn Center, Fridley, Ramsey, Champlin, Anoka and St. Michael.

This includes Interstate 94 in Minnesota between mile markers 204 and
205.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

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 4535 9325 4507 9323 4503 9371 4520 9373
      4525 9353 4524 9352 4526 9351
TIME...MOT...LOC 2200Z 252DEG 20KT 4511 9366 

HAIL...1.25IN
WIND...<50MPH
 
$$

JPC
2 follow-up statements
267 
WWUS53 KMPX 152221
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
521 PM CDT Mon Jul 15 2019

MNC171-152231-
/O.CAN.KMPX.SV.W.0097.000000T0000Z-190715T2245Z/
Wright MN-
521 PM CDT Mon Jul 15 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 Severe Thunderstorm Warning for east 
central Wright County has been cancelled.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
central and east central Minnesota.

LAT...LON 4535 9325 4507 9323 4504 9352 4503 9370
      4526 9351
TIME...MOT...LOC 2221Z 261DEG 19KT 4510 9351 

$$

MNC003-053-152245-
/O.CON.KMPX.SV.W.0097.000000T0000Z-190715T2245Z/
Hennepin MN-Anoka MN-
521 PM CDT Mon Jul 15 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHERN HENNEPIN AND WESTERN ANOKA COUNTIES...

At 521 PM CDT, a severe thunderstorm was located over Maple Grove, or
15 miles northwest of Minneapolis, moving east at 20 mph.

HAZARD...Half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Brooklyn Park, Plymouth, Maple Grove, Coon Rapids, Blaine, Andover,
Brooklyn Center, Fridley, Ramsey, Champlin, Anoka and Ham Lake.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4535 9325 4507 9323 4504 9352 4503 9370
      4526 9351
TIME...MOT...LOC 2221Z 261DEG 19KT 4510 9351 

HAIL...1.25IN
WIND...<50MPH
 
$$

JPC
743 
WWUS53 KMPX 152233
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
533 PM CDT Mon Jul 15 2019

MNC003-053-152245-
/O.CON.KMPX.SV.W.0097.000000T0000Z-190715T2245Z/
Hennepin MN-Anoka MN-
533 PM CDT Mon Jul 15 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT
FOR NORTHERN HENNEPIN AND SOUTH CENTRAL ANOKA COUNTIES...

At 533 PM CDT, a severe thunderstorm was located over Maple Grove, or
12 miles northwest of Minneapolis, moving east at 20 mph.

HAZARD...Half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Brooklyn Park, Plymouth, Maple Grove, Coon Rapids, Blaine, Brooklyn
Center, Fridley, Champlin, Spring Lake Park, Corcoran, Medina and
Independence.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Prepare immediately for large hail and deadly cloud to ground
lightning. Seek shelter inside a well-built structure. Stay away from
windows.

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.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4507 9323 4504 9352 4503 9370 4514 9361
      4517 9336 4513 9323
TIME...MOT...LOC 2233Z 255DEG 18KT 4509 9345 

HAIL...1.25IN
WIND...<50MPH
 
$$

JPC

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 7:05 PM CDTTornado WarningMPXMorrison25 min
Jul 14, 7:12 PM CDTSpecial Weather StatementMPXMille Lacs33 min
Jul 14, 7:24 PM CDTSpecial Weather StatementMPXMorrison96 min
Jul 14, 7:39 PM CDTFlash Flood WarningMPXMorrison3 hr
Jul 14, 7:47 PM CDTTornado WarningMPXBenton, Mille Lacs, Morrison43 min
Jul 14, 8:04 PM CDTSpecial Weather StatementMPXKanabec, Mille Lacs56 min
Jul 14, 8:29 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti, Kanabec46 min
Jul 14, 8:51 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti24 min
Jul 14, 9:26 PM CDTSpecial Weather StatementMPXAnoka, Ramsey, Washington64 min
Jul 15, 4:25 AM CDTSpecial Weather StatementMPXLac qui Parle65 min
Jul 15, 2:57 PM CDTSpecial Weather StatementMPXTodd33 min
Jul 15, 3:32 PM CDTSpecial Weather StatementMPXTodd43 min
Jul 15, 3:47 PM CDTSpecial Weather StatementMPXDouglas43 min
Jul 15, 3:53 PM CDTSpecial Weather StatementMPXHennepin, Sherburne, Wright37 min
Jul 15, 4:08 PM CDTSpecial Weather StatementMPXMorrison52 min
Jul 15, 4:24 PM CDTSpecial Weather StatementMPXDouglas, Todd51 min
Jul 15, 4:24 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright36 min
Jul 15, 4:29 PM CDTSevere Thunderstorm WarningMPXHennepin, Wright31 min
Jul 15, 4:44 PM CDTSevere Thunderstorm WarningMPXIsanti, Sherburne31 min
Jul 15, 4:59 PM CDTSpecial Weather StatementMPXCarver46 min
Jul 15, 5:05 PM CDTSpecial Weather StatementMPXDouglas40 min
Jul 15, 5:22 PM CDTSpecial Weather StatementMPXHennepin38 min
Jul 15, 5:28 PM CDTTornado WarningMPXCarver13 min
Jul 15, 5:37 PM CDTSevere Thunderstorm WarningMPXHennepin, Ramsey38 min
Jul 15, 5:44 PM CDTSpecial Weather StatementMPXChisago61 min
Jul 15, 5:44 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Scott31 min
Jul 15, 6:04 PM CDTSpecial Weather StatementMPXRamsey, Washington41 min
Jul 15, 6:17 PM CDTFlash Flood WarningMPXHennepin4 hr
Jul 15, 6:17 PM CDTSpecial Weather StatementMPXDakota28 min
Jul 15, 6:22 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin, Scott38 min
Jul 15, 6:29 PM CDTFlash Flood WarningMPXAnoka, Hennepin, Ramsey3 hr
Jul 15, 6:39 PM CDTSpecial Weather StatementMPXCarver, Scott3 hr
Jul 15, 6:45 PM CDTSpecial Weather StatementMPXDakota45 min
Jul 15, 6:49 PM CDTFlash Flood WarningMPXDakota, Hennepin, Scott3 hr
Jul 15, 6:58 PM CDTTornado WarningMPXScott20 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2019Every 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.