Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 218, NWS Twin Cities, MN

August 19, 20167 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 19, 2016, 2:45 AM CDT for 7 counties in Minnesota. It was in force for 60 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 19, 2016, 2:45 AM CDT (07:45 UTC)
Expired
Aug 19, 2016, 3:45 AM CDT
In force
60 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Anoka County, MN, Hennepin County, MN, Isanti County, MN, Ramsey County, MN, Sherburne County, MN, Washington County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 40 km from the middle of the area, began a volume at 07:45 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, 2:48 AM CDTTSTM WND DMGPlymouth, MNSCAFFOLDING TOPPLED AT DELANO HIGH SCHOOL.
Aug 19, 2:48 AM CDTTSTM WND DMGPlymouth, MNSCAFFOLDING TOPPLED AT DELANO HIGH SCHOOL. TIME ESTIMATED FROM RADAR.
Aug 19, 2:48 AM CDTTSTM WND DMGPlymouth, MNSCAFFOLDING TOPPLED AT PLYMOUTH HIGH SCHOOL.
Aug 19, 2:48 AM CDTTSTM WND DMGRogers, MNTREE LIMBS GREATER THEN OR EQUAL TO 2 INCHES IN DIAMETER SEVERED. TIME ESTIMATED BY RADAR.
Aug 19, 2:54 AM CDTTSTM WND DMGSt. Michael, MNTREES (APPROXIMATELY 20 FEET TALL), TOPPLED. TIME ESTIMATED FROM RADAR.
Aug 19, 3:15 AM CDTTSTM WND GST 465 E Elk River, 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, 7.8 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 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.

939 
WUUS53 KMPX 190745
SVRMPX
MNC003-053-059-123-141-163-171-190845-
/O.NEW.KMPX.SV.W.0218.160819T0745Z-160819T0845Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA...
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  EAST CENTRAL WRIGHT COUNTY IN CENTRAL MINNESOTA...
  SOUTHWESTERN ISANTI COUNTY IN EAST CENTRAL MINNESOTA...
  ANOKA COUNTY IN EAST CENTRAL MINNESOTA...
  RAMSEY COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 345 AM CDT

* AT 245 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR BUFFALO TO ST. LOUIS PARK...MOVING NORTHEAST AT
  30 MPH.

  HAZARD...60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

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

* SEVERE THUNDERSTORMS WILL BE NEAR... ST. LOUIS PARK...RICHFIELD
  AND MSP INTERNATIONAL AIRPORT AROUND 250 AM CDT. PLYMOUTH AND
  GOLDEN VALLEY AROUND 255 AM CDT. MINNEAPOLIS AND ALBERTVILLE
  AROUND 300 AM CDT. BROOKLYN CENTER...COLUMBIA HEIGHTS...ST.
  MICHAEL AND BIG LAKE AROUND 305 AM CDT. ROSEVILLE...FRIDLEY AND
  SPRING LAKE PARK AROUND 310 AM CDT. SHOREVIEW...ELK RIVER...NEW
  BRIGHTON AND MOUNDS VIEW AROUND 315 AM CDT. VADNAIS
  HEIGHTS...ARDEN HILLS AND ZIMMERMAN AROUND 320 AM CDT. ST. FRANCIS
  AROUND 325 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE FORT
SNELLING...NORTH MINNEAPOLIS...OSSEO...NEW HOPE...NORTH ST.
PAUL...BETHEL... BIRCHWOOD...COMO PARK...CRYSTAL AIRPORT AND UNIV OF
MN MINNEAPOLIS CAMPUS.

THIS INCLUDES THE FOLLOWING HIGHWAYS...
 INTERSTATE 35 BETWEEN MILE MARKERS 128 AND 132.
 INTERSTATE 94 IN MINNESOTA BETWEEN MILE MARKERS 197 AND 249.
 U.S. HIGHWAY 10 IN MINNESOTA BETWEEN MILE MARKERS 206 AND 240.
 U.S. HIGHWAY 12 BETWEEN MILE MARKERS 151 AND 156.
 U.S. HIGHWAY 169 BETWEEN MILE MARKERS 125 AND 175.
 U.S. HIGHWAY 8 IN MINNESOTA NEAR MILE MARKER 0.
 U.S. HIGHWAY 61 BETWEEN MILE MARKERS 134 AND 161.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4518 9278 4494 9295 4491 9306 4492 9313
      4489 9316 4485 9332 4512 9385 4556 9357
      4556 9354
TIME...MOT...LOC 0745Z 221DEG 27KT 4520 9381 4494 9338 

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

JPC
2 follow-up statements
662 
WWUS53 KMPX 190810
SVSMPX

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

MNC053-171-190818-
/O.CAN.KMPX.SV.W.0218.000000T0000Z-160819T0845Z/
HENNEPIN MN-WRIGHT MN-
310 AM CDT FRI AUG 19 2016

...THE SEVERE THUNDERSTORM WARNING FOR HENNEPIN AND EAST CENTRAL
WRIGHT COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE SEVERE THUNDERSTORM WARNING FOR HENNEPIN AND
EAST CENTRAL WRIGHT COUNTIES HAS BEEN CANCELLED.

LAT...LON 4518 9278 4494 9295 4491 9306 4492 9313
      4489 9316 4498 9321 4503 9321 4504 9325
      4515 9332 4527 9356 4530 9357 4529 9359
      4530 9361 4556 9357
TIME...MOT...LOC 0808Z 239DEG 46KT 4533 9355 4527 9324 4498 9297 

$$

MNC003-059-123-141-163-190845-
/O.CON.KMPX.SV.W.0218.000000T0000Z-160819T0845Z/
WASHINGTON MN-SHERBURNE MN-ISANTI MN-ANOKA MN-RAMSEY MN-
310 AM CDT FRI AUG 19 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM CDT
FOR NORTHERN WASHINGTON...EASTERN SHERBURNE...SOUTHWESTERN ISANTI...
ANOKA AND RAMSEY COUNTIES...

AT 308 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ELK RIVER TO NEAR HAM LAKE TO OAKDALE...MOVING
NORTHEAST AT 55 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  WOODBURY...OAKDALE...WHITE BEAR LAKE...LINO LAKES AND LAKE ELMO 
  AROUND 315 AM CDT. 
  FOREST LAKE AROUND 325 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE NORTH
ST. PAUL...BETHEL...BIRCHWOOD...GRANT...NOWTHEN...FALCON HEIGHTS...
BIRCHWOOD VILLAGE...SOUTH MAPLEWOOD...WILLERNIE AND CENTERVILLE.

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.

FREQUENT CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THESE STORMS.
MOVE INDOORS IMMEDIATELY. LIGHTNING IS ONE OF NATURE'S LEADING
KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO
BE STRUCK BY LIGHTNING.

&&

LAT...LON 4518 9278 4494 9295 4491 9306 4492 9313
      4489 9316 4498 9321 4503 9321 4504 9325
      4515 9332 4527 9356 4530 9357 4529 9359
      4530 9361 4556 9357
TIME...MOT...LOC 0808Z 239DEG 46KT 4533 9355 4527 9324 4498 9297 

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

JPC
348 
WWUS53 KMPX 190828
SVSMPX

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

MNC123-141-190837-
/O.CAN.KMPX.SV.W.0218.000000T0000Z-160819T0845Z/
SHERBURNE MN-RAMSEY MN-
328 AM CDT FRI AUG 19 2016

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN SHERBURNE AND RAMSEY
COUNTIES IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE WARNED
AREA. THEREFORE THE SEVERE THUNDERSTORM WARNING FOR EASTERN
SHERBURNE AND RAMSEY COUNTIES HAS BEEN CANCELLED.

LAT...LON 4518 9278 4494 9295 4508 9299 4512 9298
      4527 9324 4536 9350 4553 9350
TIME...MOT...LOC 0827Z 225DEG 32KT 4542 9343 4538 9305 4509 9278 

$$

MNC003-059-163-190845-
/O.CON.KMPX.SV.W.0218.000000T0000Z-160819T0845Z/
WASHINGTON MN-ISANTI MN-ANOKA MN-
328 AM CDT FRI AUG 19 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 AM CDT
FOR NORTHERN WASHINGTON...SOUTHWESTERN ISANTI AND NORTHERN ANOKA
COUNTIES...

AT 327 AM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR ST. FRANCIS TO NEAR STACY TO NEAR STILLWATER...
MOVING NORTHEAST AT 35 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

THESE SEVERE STORMS WILL BE NEAR...
  FOREST LAKE AROUND 330 AM CDT. 

OTHER LOCATIONS IMPACTED BY THESE SEVERE THUNDERSTORMS INCLUDE PINE
SPRINGS...GRANT...BETHEL...BIRCHWOOD...BIRCHWOOD VILLAGE...CEDAR...
WILLERNIE...CENTERVILLE AND OAK GROVE.

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 4518 9278 4494 9295 4508 9299 4512 9298
      4527 9324 4536 9350 4553 9350
TIME...MOT...LOC 0827Z 225DEG 32KT 4542 9343 4538 9305 4509 9278 

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, 1:58 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, McLeod47 min
Aug 19, 2:21 AM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, Wright24 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.