Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 68, NWS Twin Cities, MN

September 21, 2005Ramsey County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 21, 2005, 7:16 PM CDT for Ramsey County, Minnesota. It was in force for 44 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
Sep 21, 2005, 7:16 PM CDT (00:16 UTC)
Expired
Sep 21, 2005, 8:00 PM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Ramsey County, MN

The radar

The Minneapolis radar (KMPX), 45 km from the middle of the area, began a volume at 00:16 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, 7:22 PM CDTTSTM WND DMGNew Brighton, MN3 TO 8 INCH DIAMETER TREE BRANCHES DOWN.
Sep 21, 7:35 PM CDTTSTM WND DMGNew Brighton, MNNUMEROUS TREES UPROOTED NEAR DRIFTWOOD PARK. DOZENS OF TREE BRANCHES DOWNED ELSEWHERE.
Sep 21, 7:37 PM CDTTSTM WND DMGNorth St Paul, MN4 FOOT DIAMETER TREE DOWN.
Sep 21, 7:40 PM CDTTSTM WND DMGNorth St Paul, MN4 INCH DIAMETER BRANCHES DOWN.
Sep 21, 7:44 PM CDTTSTM WND DMGArden Hills, MNTREES DOWN ACROSS HIGHWAY 10.
Sep 21, 7:50 PM CDTTSTM WND DMGShoreview, MNTREES UP TO 3 FEET IN DIAMETER 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

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.3 hours before the alert went out and 47 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 220016
TORMPX
MNC123-220100-
/O.NEW.KMPX.TO.W.0068.050922T0016Z-050922T0100Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  RAMSEY COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 800 PM CDT

* AT 712 PM CDT...THE PUBLIC REPORTED A TORNADO 10 MILES NORTHWEST OF
  ROSEVILLE...OR ABOUT 12 MILES NORTH OF MINNEAPOLIS...MOVING
  SOUTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ROSEVILLE...
  SHOREVIEW...
  NEW BRIGHTON...
  MOUNDSVIEW...


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 4512 9300 4513 9323 4499 9320 4499 9299

$$

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, 7:08 PM CDTTornado WarningMPXAnoka, Hennepin52 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.