Alert archive / Minnesota / Tornado Warnings in 2006

Tornado Warning 20, NWS Twin Cities, MN

September 16, 2006Redwood County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 16, 2006, 7:51 PM CDT for Redwood County, Yellow Medicine County, Minnesota. It was in force for 24 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
Sep 16, 2006, 7:51 PM CDT (00:51 UTC)
Expired
Sep 16, 2006, 8:15 PM CDT
In force
24 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Redwood County, MN, Yellow Medicine County, MN

The radar

The Minneapolis radar (KMPX), 145 km from the middle of the area, began a volume at 00:53 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 16, 7:55 PM CDTHAIL 0.882 S Echo, 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.

IssuedProductOfficeLasted
Sep 16, 5:07 PM CDTTornado Watch PDSSPC8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.9 hours before the alert went out and 143 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 2006-09-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1108 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 2006-09-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 328 square meters per square second.1939587897Sfc1 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
1108 J/kg
Mixed-layer CIN
-53 J/kg
Mixed-layer LCL
1090 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
328 m²/s²
0-3 km storm-relative helicity
428 m²/s²
Significant tornado parameter
2.8
Supercell composite
11.8

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 170052
TORMPX
MNC127-173-170115-
/O.NEW.KMPX.TO.W.0020.060917T0051Z-060917T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
751 PM CDT SAT SEP 16 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHEAST YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA...      
  REDWOOD COUNTY IN SOUTHWEST MINNESOTA...

* UNTIL 815 PM CDT

* AT 747 PM CDT...RADAR WAS TRACKING A SEVERE STORM WITH STRONG
  ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS 18 MILES WEST OF
  REDWOOD FALLS...OR ABOUT 16 MILES EAST OF MARSHALL...AND MOVING
  NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  REDWOOD FALLS...
  VESTA...
  BELVIEW...
  ECHO...
  DELHI...

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
SOUTHERN MINNESOTA.

LAT...LON 4454 9558 4441 9548 4448 9509 4458 9513
      4466 9524 4463 9540

$$

MTF
2 follow-up statements
000 
WWUS53 KMPX 170106
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
805 PM CDT SAT SEP 16 2006

MNC173-170115-
/O.CAN.KMPX.TO.W.0020.000000T0000Z-060917T0115Z/
YELLOW MEDICINE MN-
805 PM CDT SAT SEP 16 2006

...THE TORNADO WARNING FOR SOUTHEAST YELLOW MEDICINE COUNTY IS 
CANCELLED...

THE TORNADIC THUNDERSTORM HAS MOVED EAST OF YELLOW MEDICINE COUNTY. 
MORE SEVERE THUNDERSTORMS ARE POSSIBLE OVER THE COUNTY THROUGH THE 
EVENING.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
SOUTHERN MINNESOTA.

LAT...LON 4456 9535 4451 9534 4449 9521 4454 9497
      4459 9511 4466 9524 4464 9536

$$

MNC127-170115-
/O.CON.KMPX.TO.W.0020.000000T0000Z-060917T0115Z/
REDWOOD MN-
805 PM CDT SAT SEP 16 2006

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 815 PM CDT FOR REDWOOD
COUNTY...

AT 802 PM CDT...WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE 
THUNDERSTORM WITH STRONG ROTATION.   THE SEVERE THUNDERSTORM WAS 
LOCATED NEAR DELHI...OR ABOUT 7 MILES WEST OF REDWOOD FALLS...AND 
MOVING EAST AT 40 MPH.

LOCATIONS IN THE WARNING INCLUDE REDWOOD FALLS...BELVIEW...AND DLEHI.

THIS STORM HAS A HISTORY OR PRODUCING ROTATING WALL CLOUDS AND LARGE 
HAIL.

IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
SOUTHERN MINNESOTA.

LAT...LON 4456 9535 4451 9534 4449 9521 4454 9497
      4459 9511 4466 9524 4464 9536

$$

MTF
000 
WWUS53 KMPX 170114
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
813 PM CDT SAT SEP 16 2006

MNC127-170123-
/O.EXP.KMPX.TO.W.0020.000000T0000Z-060917T0115Z/
REDWOOD MN-
813 PM CDT SAT SEP 16 2006

...THE TORNADO WARNING FOR REDWOOD COUNTY EXPIRES AT 815 PM CDT...

THE TORNADO WARNING FOR REDWOOD COUNTY HAS EXPIRED. THE STORM THAT 
HAD PRODUCED THE TORNADO HAD MOVED OUT OF REDWOOD COUNTY. 

A TORNADO WATCH REMAINS IN EFFECT UNTIL 100 AM CDT SUNDAY MORNING FOR
SOUTHERN MINNESOTA.

LAT...LON 4456 9535 4451 9534 4449 9521 4454 9497
      4459 9511 4466 9524 4464 9536

$$

MTF

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 16, 7:43 PM CDTSevere Thunderstorm WarningMPXKandiyohi47 min
Sep 16, 8:02 PM CDTTornado WarningMPXRenville43 min
Sep 16, 8:23 PM CDTSevere Thunderstorm WarningMPXMeeker52 min
Sep 16, 8:33 PM CDTSevere Thunderstorm WarningMPXMcLeod57 min
Sep 16, 8:48 PM CDTSevere Thunderstorm WarningMPXCarver, Wright42 min
Sep 16, 9:27 PM CDTSevere Thunderstorm WarningMPXMartin63 min
Sep 16, 9:32 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault58 min
Sep 16, 9:43 PM CDTSevere Thunderstorm WarningMPXHennepin, Wright47 min
Sep 16, 10:02 PM CDTSevere Thunderstorm WarningMPXWaseca46 min
Sep 16, 10:04 PM CDTTornado WarningMPXAnoka26 min
Sep 16, 10:29 PM CDTSevere Thunderstorm WarningMPXAnoka, Chisago, Hennepin, Washington61 min
Sep 16, 10:56 PM CDTTornado WarningMPXAnoka, Hennepin34 min
Sep 16, 11:28 PM CDTSevere Thunderstorm WarningMPXChisago32 min
Sep 16, 11:44 PM CDTSevere Thunderstorm WarningMPXFreeborn, Steele, Waseca52 min

Nearby

Tornado Warnings in Minnesota, 2006Every tornado warning in 2006Tornadoes in 2006

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.