Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 67, NWS Twin Cities, MN

September 21, 2005Anoka County, Hennepin County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 21, 2005, 7:08 PM CDT for Anoka County, Hennepin County, Minnesota. It was in force for 52 min. 23 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
Sep 21, 2005, 7:08 PM CDT (00:08 UTC)
Expired
Sep 21, 2005, 8:00 PM CDT
In force
52 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Anoka County, MN, Hennepin County, MN

The radar

The Minneapolis radar (KMPX), 31 km from the middle of the area, began a volume at 00:12 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
Sep 21, 7:08 PM CDTTSTM WND DMGCoon Rapids, MNSEVERAL 12 INCH DIAMETER TREES UPROOTED
Sep 21, 7:08 PM CDTTSTM WND DMGCoon Rapids, MNSEVERAL 12 INCH DIAMETER TREES UPROOTED. ROOF DAMAGE.
Sep 21, 7:10 PM CDTTSTM WND DMGMinneapolis, MN50 FOOT TREE UPROOTED
Sep 21, 7:10 PM CDTTSTM WND GST 62Crystal, MN
Sep 21, 7:12 PM CDTTSTM WND DMGFridley, MNNUMEROUS TREES DOWN.
Sep 21, 7:13 PM CDTTSTM WND GST 68Crystal, MN
Sep 21, 7:13 PM CDTTSTM WND GST 78Crystal, MN
Sep 21, 7:13 PM CDTHAIL 0.75Brooklyn Park, MN
Sep 21, 7:14 PM CDTTSTM WND DMGBrooklyn Park, MNPOWER POLES SNAPPED. NUMEROUS TREES DAMAGED. UNCONFIRMED PUBLIC REPORT OF A TORNADO.
Sep 21, 7:14 PM CDTTORNADOBrooklyn Park, MN
Sep 21, 7:15 PM CDTTSTM WND DMGCoon Rapids, MNLARGE PORTION OF ROOF REMOVED...TREES BROKEN IN HALF.
Sep 21, 7:15 PM CDTTORNADO 2Coon Rapids, MNLARGE PORTION OF ROOF REMOVED AND BLOWN ONTO UNIVERSITY AVENUE. MANY TREES DOWNED...INCLUDING 100 TREES DOWNED AT BUNKER HILLS GOLF COURSE. TORNADO TOUCHED DOWN IN EXTREME EASTERN COON RAPIDS AND CONTINUED INTO BLAINE.
Sep 21, 7:20 PM CDTTSTM WND DMGFridley, MNSHED COMPLETELY DESTROYED. HOUSES DAMAGED. SEVERAL LARGE TREES DOWNED. POWER POLES TILTED OVER.
Sep 21, 7:27 PM CDTHAIL 0.75Fridley, MN
Sep 21, 7:30 PM CDTTSTM WND DMGBrooklyn Center, MNTILE RIPPED OFF ROOF. 4 INCH DIAMETER BRANCHES DOWN.
Sep 21, 7:30 PM CDTTSTM WND DMGFridley, MN15 INCH TREE DOWN
Sep 21, 7:30 PM CDTTSTM WND DMGFridley, MNSHED COMPLETELY DESTROYED
Sep 21, 7:30 PM CDTTSTM WND DMGFridley, MNSHED COMPLETELY DESTROYED. HOUSE DAMAGE. SEVERAL LARGE TREES DOWNED.
Sep 21, 7:30 PM CDTTSTM WND DMGGolden Valley, MN8 INCH BRANCHES DOWNED AT INTERSECTION OF HIGHWAY 100 AND GOLDEN VALLEY ROAD.
Sep 21, 7:32 PM CDTTSTM WND DMGMinneapolis, MN*** 1 FATAL *** LARGE TREE BRANCH FELL ON TOP OF 45 YEAR OLD MAN AND KILLED HIM ON JAMES AVENUE NORTH. MANY TREES WERE DOWNED IN NORTH MINNEAPOLIS.
Sep 21, 7:32 PM CDTTSTM WND DMGMinneapolis, MN*** 1 FATAL *** LARGE TREE BRANCH FELL ON TOP OF VICTIM.
Sep 21, 7:43 PM CDTTSTM WND DMGBrooklyn Center, MNTHREE FOOT DIAMETER TREES UPROOTED...ONE ONTO HOME AT INTERSECTION OF BROOKLYN BOULEVARD AND INTERSTATE 94.
Sep 21, 7:44 PM CDTTSTM WND DMGBrooklyn Park, MNLARGE TREE DOWNED

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
Sep 21, 4:00 PM CDTSevere Thunderstorm WatchSPC6 hr
Sep 21, 5:30 PM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.1 hours before the alert went out and 33 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 2005-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2043 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 2005-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 274 square meters per square second.19395878Sfc1 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
2043 J/kg
Mixed-layer CIN
-38 J/kg
Mixed-layer LCL
1714 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
274 m²/s²
0-3 km storm-relative helicity
406 m²/s²
Significant tornado parameter
1.2
Supercell composite
9.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WFUS53 KMPX 220008
TORMPX
MNC003-053-220100-
/O.NEW.KMPX.TO.W.0067.050922T0008Z-050922T0100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
708 PM CDT WED SEP 21 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  ANOKA COUNTY IN EAST CENTRAL MINNESOTA
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 800 PM CDT

* AT 703 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO...NEAR MAPLE GROVE...OR ABOUT 15 MILES NORTHWEST OF
  MINNEAPOLIS...MOVING SOUTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MINNEAPOLIS...
  COON RAPIDS...
  FRIDLEY...
  BROOKLYN PARK... 

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

LAT...LON 4520 9342 4503 9350 4492 9329 4500 9322
      4517 9327

$$

KAT

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 21, 7:07 PM CDTSevere Thunderstorm WarningMPXRamsey53 min
Sep 21, 7:16 PM CDTTornado WarningMPXRamsey44 min
Sep 21, 7:22 PM CDTSevere Thunderstorm WarningMPXDakota, Washington53 min
Sep 21, 7:32 PM CDTSevere Thunderstorm WarningMPXChisago58 min
Sep 21, 7:33 PM CDTTornado WarningMPXWashington27 min
Sep 21, 7:42 PM CDTFlash Flood WarningMPXRamsey, Washington3 hr
Sep 21, 7:48 PM CDTFlash Flood WarningMPXHennepin3 hr
Sep 21, 7:54 PM CDTFlash Flood WarningMPXAnoka3 hr
Sep 21, 7:57 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin, Ramsey63 min
Sep 21, 8:08 PM CDTSevere Thunderstorm WarningMPXSherburne, Wright67 min
Sep 21, 8:11 PM CDTSevere Thunderstorm WarningMPXDakota, Washington64 min
Sep 21, 8:37 PM CDTFlash Flood WarningMPXSherburne3 hr
Sep 21, 8:38 PM CDTSevere Thunderstorm WarningMPXHennepin22 min
Sep 21, 8:49 PM CDTFlash Flood WarningMPXWright3 hr
Sep 21, 9:21 PM CDTSevere Thunderstorm WarningMPXHennepin39 min
Sep 21, 9:27 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker63 min
Sep 21, 10:25 PM CDTSevere Thunderstorm WarningMPXMcLeod35 min
Sep 21, 10:43 PM CDTSevere Thunderstorm WarningMPXCarver33 min
Sep 21, 11:23 PM CDTSevere Thunderstorm WarningMPXScott25 min
Sep 21, 11:34 PM CDTSevere Thunderstorm WarningMPXDakota41 min
Sep 21, 11:37 PM CDTSevere Thunderstorm WarningMPXRice38 min

Nearby

Tornado Warnings in Minnesota, 2005Every tornado warning in 2005Tornadoes in 2005

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.