Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 216, NWS Twin Cities, MN

August 19, 2016Carver County, Hennepin County, McLeod County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 19, 2016, 1:58 AM CDT for Carver County, Hennepin County, McLeod County, Minnesota. It was in force for 47 min. 1 report 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 19, 2016, 1:58 AM CDT (06:58 UTC)
Expired
Aug 19, 2016, 2:45 AM CDT
In force
47 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Carver County, MN, Hennepin County, MN, McLeod County, MN

The radar

The Minneapolis radar (KMPX), 23 km from the middle of the area, began a volume at 07:01 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 19, 2:10 AM CDTTSTM WND GST 602 Wsw Waconia, MN.

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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.0 hours before the alert went out and 21 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 00:00Z on 2016-08-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 185 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 00:00Z on 2016-08-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 184 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
185 J/kg
Mixed-layer CIN
-378 J/kg
Mixed-layer LCL
2171 m above ground
0-6 km bulk shear
29 kt
0-1 km storm-relative helicity
184 m²/s²
0-3 km storm-relative helicity
216 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

192 
WUUS53 KMPX 190658
SVRMPX
MNC019-053-085-190745-
/O.NEW.KMPX.SV.W.0216.160819T0658Z-160819T0745Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
158 AM CDT FRI AUG 19 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL MCLEOD COUNTY IN CENTRAL MINNESOTA...
  CARVER COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHWESTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 245 AM CDT

* AT 157 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER PLATO...OR
  18 MILES EAST OF HUTCHINSON...MOVING NORTHEAST AT 45 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  MAYER AND COLOGNE AROUND 210 AM CDT. WACONIA AND WATERTOWN AROUND
  215 AM CDT. ST. BONIFACIUS AROUND 220 AM CDT. CHASKA AND VICTORIA
  AROUND 225 AM CDT. CHANHASSEN...MOUND...ORONO...MINNETRISTA AND
  EXCELSIOR AROUND 230 AM CDT. EDEN PRAIRIE AND WAYZATA AROUND 235
  AM CDT. MINNETONKA AND HOPKINS AROUND 240 AM CDT. PLYMOUTH...EDINA
  AND ST. LOUIS PARK AROUND 245 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
WOODLAND...NEW GERMANY...LONG LAKE...SHOREWOOD...GREENWOOD...GLENCOE
AIRPORT...LAKE WACONIA...HOLLYWOOD...DEEPHAVEN AND PLATO.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 U.S. HIGHWAY 12 BETWEEN MILE MARKERS 151 AND 156.
 U.S. HIGHWAY 169 BETWEEN MILE MARKERS 126 AND 128.
 U.S. HIGHWAY 212 BETWEEN MILE MARKERS 120 AND 138...AND BETWEEN MILE
MARKERS 140 AND 141.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

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 4480 9422 4493 9405 4498 9379 4499 9344
      4492 9336 4478 9370 4472 9411
TIME...MOT...LOC 0657Z 243DEG 38KT 4479 9403 

HAIL...<.75IN
WIND...60MPH
 
$$

JPC
2 follow-up statements
177 
WWUS53 KMPX 190712
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
212 AM CDT FRI AUG 19 2016

MNC019-053-085-190745-
/O.CON.KMPX.SV.W.0216.000000T0000Z-160819T0745Z/
MCLEOD MN-CARVER MN-HENNEPIN MN-
212 AM CDT FRI AUG 19 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR EAST CENTRAL MCLEOD...CARVER AND SOUTHWESTERN HENNEPIN
COUNTIES...

AT 212 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MAYER...OR 21
MILES SOUTH OF BUFFALO...MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THIS SEVERE STORM WILL BE NEAR...  WACONIA AROUND 215 AM CDT.  
WATERTOWN AROUND 220 AM CDT.   ST. BONIFACIUS AROUND 225 AM CDT.  
CHASKA...CHANHASSEN...MOUND AND VICTORIA AROUND 230 AM CDT. 
ORONO...MINNETRISTA...INDEPENDENCE AND EXCELSIOR AROUND 235 AM CDT. 
WAYZATA AROUND 240 AM CDT.   PLYMOUTH...MINNETONKA...ST. LOUIS PARK
AND HOPKINS AROUND 245 AM   CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
WOODLAND...NEW GERMANY...LONG LAKE...SHOREWOOD...GREENWOOD...LAKE
WACONIA... HOLLYWOOD AND DEEPHAVEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

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 4499 9344 4492 9336 4478 9370 4474 9400
      4488 9412 4493 9405 4498 9379
TIME...MOT...LOC 0712Z 239DEG 35KT 4487 9389 

HAIL...<.75IN
WIND...60MPH
 
$$

JPC
307 
WWUS53 KMPX 190737
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
237 AM CDT FRI AUG 19 2016

MNC085-190746-
/O.CAN.KMPX.SV.W.0216.000000T0000Z-160819T0745Z/
MCLEOD MN-
237 AM CDT FRI AUG 19 2016

...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL MCLEOD 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 MCLEOD COUNTY HAS BEEN CANCELLED.

LAT...LON 4499 9344 4492 9336 4478 9370 4477 9377
      4494 9401 4498 9379
TIME...MOT...LOC 0736Z 244DEG 34KT 4496 9360 

$$

MNC019-053-190745-
/O.CON.KMPX.SV.W.0216.000000T0000Z-160819T0745Z/
CARVER MN-HENNEPIN MN-
237 AM CDT FRI AUG 19 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR NORTHERN CARVER AND SOUTHWESTERN HENNEPIN COUNTIES...

AT 236 AM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER ORONO...OR 16
MILES WEST OF MINNEAPOLIS...MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

THIS SEVERE STORM WILL BE NEAR...
  PLYMOUTH...EDEN PRAIRIE...MINNETONKA...ST. LOUIS PARK AND HOPKINS 
  AROUND 245 AM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
WOODLAND...LONG LAKE...SHOREWOOD...GREENWOOD...LAKE WACONIA AND
DEEPHAVEN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

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 4499 9344 4492 9336 4478 9370 4477 9377
      4494 9401 4498 9379
TIME...MOT...LOC 0736Z 244DEG 34KT 4496 9360 

HAIL...<.75IN
WIND...60MPH
 
$$

JPC

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 10:39 PM CDTSpecial Weather StatementMPXRice51 min
Aug 18, 11:08 PM CDTSpecial Weather StatementMPXYellow Medicine52 min
Aug 18, 11:32 PM CDTSpecial Weather StatementMPXGoodhue43 min
Aug 19, 12:48 AM CDTSpecial Weather StatementMPXBlue Earth, McLeod, Nicollet, Sibley57 min
Aug 19, 1:45 AM CDTSpecial Weather StatementMPXCarver, Le Sueur, McLeod, Rice, Scott, Steele and 1 more45 min
Aug 19, 2:21 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright24 min
Aug 19, 2:45 AM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Isanti, Ramsey, Sherburne, Washington and 1 more60 min
Aug 19, 3:01 AM CDTSevere Thunderstorm WarningMPXWashington44 min
Aug 19, 3:15 AM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Isanti, Washington45 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016Every severe thunderstorm warning in 2016

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.