Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 64, NWS Twin Cities, MN

September 21, 2005Meeker County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 21, 2005, 6:14 PM CDT for Meeker County, Minnesota. It was in force for 31 min. 4 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, 6:14 PM CDT (23:14 UTC)
Expired: Sep 21, 2005, 6:45 PM CDT
In force: 31 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Meeker County, MN

The radar

The Minneapolis radar (KMPX), 85 km from the middle of the area, began a volume at 23:15 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

Time	Report	Where
Sep 21, 6:33 PM CDT	HAIL 1	Litchfield, MN
Sep 21, 6:40 PM CDT	HAIL 0.75	Litchfield, MN
Sep 21, 6:53 PM CDT	HAIL 1.5	Dassel, MN
Sep 21, 6:55 PM CDT	HAIL 1.75	Dassel, 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.

Issued	Product	Office	Lasted
Sep 21, 5:30 PM CDT	Severe Thunderstorm Watch	SPC	5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.2 hours before the alert went out and 82 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 15 J/kg
Mixed-layer CIN: -441 J/kg
Mixed-layer LCL: 1544 m above ground
0-6 km bulk shear: 44 kt
0-1 km storm-relative helicity: 32 m²/s²
0-3 km storm-relative helicity: 60 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 212315
TORMPX
MNC093-212345-
/O.NEW.KMPX.TO.W.0064.050921T2314Z-050921T2345Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  MEEKER COUNTY IN CENTRAL MINNESOTA

* UNTIL 645 PM CDT

* AT 610 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A     
  TORNADO...13 MILES WEST OF LITCHFIELD...OR ABOUT 12 MILES EAST OF  
  WILLMAR...MOVING EAST AT 30 MPH.  THIS STORM HAS PRODUCE FUNNEL    
  CLOUDS NEAR ATWATER IN KANDIYOHI COUNTY.

* LOCATIONS IMPACTED INCLUDE...
  LITCHFIELD...
  GROVE CITY...
  DARWIN...
  STROUT...
   
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.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

LAT...LON 4525 9473 4501 9475 4502 9427 4525 9428

$$

KAT

1 follow-up statement

000 
WWUS53 KMPX 212329
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
628 PM CDT WED SEP 21 2005

MNC093-212345-
/O.CON.KMPX.TO.W.0064.000000T0000Z-050921T2345Z/
MEEKER MN-
628 PM CDT WED SEP 21 2005

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM CDT FOR MEEKER
COUNTY...

AT 615 PM A TORNADO WAS REPORTED NEAR ATWATER IN KANDIYOJI COUNTY. 
THIS STORM WAS MOVING INTO MEEKER COUNTY.  A FUNNEL WAS ALSO 
REPORTED AT 627 PM NEAR GROVE CITY IN MEEKER COUNTY. 

AT 627 PM CDT...  THE TORNADO PRODUCING SEVERE THUNDERSTORM WAS 
LOCATED NEAR GROVE CITY...OR ABOUT 6 MILES WEST OF LITCHFIELD...AND 
MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE STROUT...MANANNAH...CORVUSO...
WESTPORT...WATKINS...LITCHFIELD...KINGSTON...DASSEL...DARWIN...COSMOS
AND CEDAR MILLS.

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 4532 9476 4532 9438 4528 9437 4527 9427
      4499 9427 4498 9449 4489 9451 4489 9475
      4524 9476 4525 9477

$$

KAT

The office that day

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

Issued	Product	Office	Counties	Lasted
Sep 21, 5:23 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Stearns	67 min
Sep 21, 5:34 PM CDT	Tornado Warning	MPX	Stearns	56 min
Sep 21, 5:35 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Sherburne	40 min
Sep 21, 5:50 PM CDT	Tornado Warning	MPX	Kandiyohi	40 min
Sep 21, 5:59 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	61 min
Sep 21, 6:04 PM CDT	Tornado Warning	MPX	Sherburne, Wright	41 min
Sep 21, 6:21 PM CDT	Severe Thunderstorm Warning	MPX	Chisago	39 min
Sep 21, 6:38 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Sherburne, Wright	67 min
Sep 21, 6:53 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Meeker	67 min
Sep 21, 6:59 PM CDT	Tornado Warning	MPX	McLeod, Meeker	27 min

Nearby

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