Alert archive / Minnesota / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 162, NWS Twin Cities, MN

August 5, 2019Anoka County, Hennepin County, Wright County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 5, 2019, 3:40 PM CDT for Anoka County, Hennepin County, Wright County, Minnesota. It was in force for 35 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
Aug 5, 2019, 3:40 PM CDT (20:40 UTC)
Expired
Aug 5, 2019, 4:15 PM CDT
In force
35 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), 45 km from the middle of the area, began a volume at 20:43 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
Aug 5, 3:46 PM CDTHAIL 2.52 Ssw Ramsey, MN
Aug 5, 3:47 PM CDTHAIL 1.251 Ese Ramsey, MN
Aug 5, 3:50 PM CDTHAIL 33 Sse Ramsey, MNBUNKER LAKE BLVD AND SUNFISH LAKE BLVD.
Aug 5, 3:57 PM CDTHAIL 1.751 Nnw Anoka, MN
Aug 5, 3:58 PM CDTHAIL 1.75Ramsey, MNPHOTO VIA FACEBOOK.
Aug 5, 4:05 PM CDTHAIL 1.751 E Anoka, 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.

IssuedProductOfficeLasted
Aug 5, 1:45 PM CDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.7 hours before the alert went out and 45 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 2019-08-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1431 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 2019-08-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 50 square meters per square second.1939587897Sfc1 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
1431 J/kg
Mixed-layer CIN
-115 J/kg
Mixed-layer LCL
1018 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
50 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

As transmitted.

140 
WUUS53 KMPX 052040
SVRMPX
MNC003-053-171-052115-
/O.NEW.KMPX.SV.W.0162.190805T2040Z-190805T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
340 PM CDT Mon Aug 5 2019

The National Weather Service in The Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Northeastern Wright County in central Minnesota...
  North central Hennepin County in east central Minnesota...
  West central Anoka County in east central Minnesota...

* Until 415 PM CDT.

* At 340 PM CDT, a severe thunderstorm was located near Ramsey, or 17
  miles east of Buffalo, moving southeast at 30 mph.

  HAZARD...Half dollar size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to vehicles is expected.

* Locations impacted include...
  Brooklyn Park, Maple Grove, Coon Rapids, Blaine, Andover, Ramsey,
  Champlin, Elk River, Anoka, St. Michael, Otsego and Rogers.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4516 9324 4511 9348 4529 9364 4530 9361
      4529 9358 4530 9357 4527 9355 4524 9352
      4532 9351 4533 9350
TIME...MOT...LOC 2040Z 318DEG 25KT 4527 9352 

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

ETA
2 follow-up statements
691 
WWUS53 KMPX 052059
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
359 PM CDT Mon Aug 5 2019

MNC171-052109-
/O.CAN.KMPX.SV.W.0162.000000T0000Z-190805T2115Z/
Wright MN-
359 PM CDT Mon Aug 5 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN 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 1000 PM CDT for
east central Minnesota.

LAT...LON 4516 9324 4512 9341 4512 9343 4521 9357
      4523 9355 4522 9353 4525 9351 4527 9341
TIME...MOT...LOC 2059Z 318DEG 25KT 4517 9339 

$$

MNC003-053-052115-
/O.CON.KMPX.SV.W.0162.000000T0000Z-190805T2115Z/
Hennepin MN-Anoka MN-
359 PM CDT Mon Aug 5 2019

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR NORTH CENTRAL HENNEPIN AND WEST CENTRAL ANOKA COUNTIES...

At 359 PM CDT, a severe thunderstorm was located over Champlin, or 15
miles northwest of Minneapolis, moving southeast at 30 mph.

HAZARD...Half dollar size hail.

SOURCE...Radar indicated.

IMPACT...Damage to vehicles is expected.

Locations impacted include...
Brooklyn Park, Maple Grove, Coon Rapids, Blaine, Andover, Ramsey,
Champlin, Anoka, Rogers, Dayton and Osseo.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4516 9324 4512 9341 4512 9343 4521 9357
      4523 9355 4522 9353 4525 9351 4527 9341
TIME...MOT...LOC 2059Z 318DEG 25KT 4517 9339 

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

ETA
360 
WWUS53 KMPX 052111
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
411 PM CDT Mon Aug 5 2019

MNC003-053-052121-
/O.EXP.KMPX.SV.W.0162.000000T0000Z-190805T2115Z/
Hennepin MN-Anoka MN-
411 PM CDT Mon Aug 5 2019

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL HENNEPIN AND
WEST CENTRAL ANOKA COUNTIES WILL EXPIRE AT 415 PM CDT...
                
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However small hail
is still possible with this thunderstorm.

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

LAT...LON 4516 9324 4512 9341 4512 9343 4521 9357
      4523 9355 4522 9353 4525 9351 4527 9341
TIME...MOT...LOC 2111Z 318DEG 25KT 4512 9333 

$$

ETA

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 5, 7:11 AM CDTSpecial Weather StatementMPXTodd34 min
Aug 5, 7:32 AM CDTSpecial Weather StatementMPXTodd43 min
Aug 5, 8:32 AM CDTSpecial Weather StatementMPXMille Lacs43 min
Aug 5, 8:54 AM CDTSpecial Weather StatementMPXKanabec36 min
Aug 5, 9:23 AM CDTSevere Thunderstorm WarningMPXIsanti, Kanabec, Mille Lacs37 min
Aug 5, 9:47 AM CDTSpecial Weather StatementMPXRedwood43 min
Aug 5, 9:56 AM CDTSpecial Weather StatementMPXChisago34 min
Aug 5, 11:16 AM CDTSpecial Weather StatementMPXMcLeod29 min
Aug 5, 11:29 AM CDTSevere Thunderstorm WarningMPXMcLeod, Renville, Sibley31 min
Aug 5, 11:57 AM CDTSpecial Weather StatementMPXCarver, McLeod33 min
Aug 5, 12:19 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright41 min
Aug 5, 12:50 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Ramsey40 min
Aug 5, 1:13 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Hennepin, Ramsey, Washington47 min
Aug 5, 1:18 PM CDTSpecial Weather StatementMPXRamsey42 min
Aug 5, 1:43 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Washington47 min
Aug 5, 3:06 PM CDTSpecial Weather StatementMPXSherburne24 min
Aug 5, 4:08 PM CDTSevere Thunderstorm WarningMPXFaribault, Martin37 min
Aug 5, 4:15 PM CDTSpecial Weather StatementMPXWabasha30 min
Aug 5, 4:17 PM CDTSpecial Weather StatementMPXCarver, Hennepin, Ramsey, Washington43 min
Aug 5, 4:31 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Scott29 min
Aug 5, 4:32 PM CDTSpecial Weather StatementMPXSteele28 min
Aug 5, 4:36 PM CDTSevere Thunderstorm WarningMPXSteele24 min
Aug 5, 4:44 PM CDTSpecial Weather StatementMPXFaribault46 min
Aug 5, 4:46 PM CDTSevere Thunderstorm WarningMPXDakota, Rice, Scott44 min
Aug 5, 4:58 PM CDTSpecial Weather StatementMPXFreeborn47 min
Aug 5, 5:19 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice41 min
Aug 5, 5:44 PM CDTSpecial Weather StatementMPXWatonwan46 min
Aug 5, 5:55 PM CDTSpecial Weather StatementMPXMartin95 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.