Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 10, NWS Twin Cities, MN

May 9, 2005Le Sueur County, Scott County, Sibley County, Minnesota

NWS Twin Cities, MN issued this tornado warning at May 9, 2005, 5:35 PM CDT for Le Sueur County, Scott County, Sibley County, Minnesota. It was in force for 38 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
May 9, 2005, 5:35 PM CDT (22:35 UTC)
Expired
May 9, 2005, 6:13 PM CDT
In force
38 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Le Sueur County, MN, Scott County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 41 km from the middle of the area, began a volume at 22:38 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.6 hours before the alert went out and 40 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 12:00Z on 2005-05-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 142 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 12:00Z on 2005-05-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 93 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
142 J/kg
Mixed-layer CIN
-73 J/kg
Mixed-layer LCL
616 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
93 m²/s²
0-3 km storm-relative helicity
87 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 092236
TORMPX
MNC079-139-143-092330-
/O.NEW.KMPX.TO.W.0010.050509T2235Z-050509T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
535 PM CDT MON MAY 9 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA
  EASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA
  NORTRHERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 630 PM CDT

* AT 534 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO...22 MILES WEST OF NEW PRAGUE...OR ABOUT 15 MILES NORTH OF
  ST PETER...MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW PRAGUE...
  HENDERSON...
  BELLE PLAINE...
  JORDAN...
  
LAT...LON 4461 9419 4445 9410 4449 9358 4471 9354

$$
JPR
2 follow-up statements
000 
WWUS53 KMPX 092304
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
602 PM CDT MON MAY 9 2005

MNC143-092312-
/O.CAN.KMPX.TO.W.0010.000000T0000Z-050509T2330Z/
SIBLEY MN-
602 PM CDT MON MAY 9 2005

...THE TORNADO WARNING FOR EASTERN SIBLEY COUNTY IS CANCELLED...

THE STORM HAS MOVED EAST OF THE SIBLEY COUNTY...THUS THE WARNING HAS 
BEEN CANCELLED. 

LAT...LON 4462 9384 4446 9391 4449 9358 4471 9354

$$

MNC079-139-092330-
/O.CON.KMPX.TO.W.0010.000000T0000Z-050509T2330Z/
SCOTT MN-LE SUEUR MN-
602 PM CDT MON MAY 9 2005

...A TORNADO WARNING CONTINUES UNTIL 630 PM CDT FOR NORTHERN LE 
SUEUR AND SCOTT COUNTIES...

AT 559 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE WEAK ROTATION IN 
A THUNDERSTORM NEAR BELLE PLAINE...OR ABOUT 19 MILES NORTHEAST OF ST 
PETER...MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE ST BENEDICT...HELENA...NEW
PRAGUE...JORDAN AND HEIDELBERG.

LAT...LON 4462 9384 4446 9391 4449 9358 4471 9354

$$
JPR
000 
WWUS53 KMPX 092313
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
613 PM CDT MON MAY 9 2005

MNC079-139-092323-
/O.CAN.KMPX.TO.W.0010.000000T0000Z-050509T2330Z/
SCOTT MN-LE SUEUR MN-
613 PM CDT MON MAY 9 2005

...THE TORNADO WARNING FOR LE SUEUR AND SCOTT COUNTIES IS
CANCELLED...

THE STORM HAS WEAKENED...AND NO LONGER APPEARS TORNADIC. THEREFORE...
THE TORNADO WARNING HAS BEEN CANCELLED.

LAT...LON 4462 9384 4446 9391 4449 9358 4471 9354

$$

JPR

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 7:10 PM CDTSevere Thunderstorm WarningMPXChippewa, Swift65 min
May 8, 7:19 PM CDTSevere Thunderstorm WarningMPXRice26 min
May 8, 7:27 PM CDTTornado WarningMPXLac qui Parle33 min
May 8, 8:07 PM CDTSevere Thunderstorm WarningMPXAnoka, Carver, Dakota, Hennepin, Ramsey, Scott and 2 more53 min
May 8, 8:12 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope59 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.