Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 56, NWS Twin Cities, MN

August 9, 2005Blue Earth County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 9, 2005, 3:25 PM CDT for Blue Earth County, Nicollet County, Minnesota. It was in force for 34 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
Aug 9, 2005, 3:25 PM CDT (20:25 UTC)
Expired
Aug 9, 2005, 3:59 PM CDT
In force
34 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Blue Earth County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 82 km from the middle of the area, began a volume at 20:26 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
Aug 9, 3:35 PM CDTTSTM WND DMGNorth Mankato, MNSIX INCH BRANCHES DOWN.

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
Aug 9, 2:20 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.4 hours before the alert went out and 81 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 2005-08-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2206 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 2005-08-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 22 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
2206 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
1490 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
22 m²/s²
0-3 km storm-relative helicity
-12 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 092025
TORMPX
MNC013-103-092100-
/O.NEW.KMPX.TO.W.0056.050809T2025Z-050809T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
325 PM CDT TUE AUG 9 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  SOUTHERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA
  NORTHERN BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 400 PM CDT

* AT 322 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A     
  TORNADO...5 MILES NORTHWEST OF MANKATO MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MANKATO...
  NORTH MANKATO...
  EAGLE LAKE...

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.

LAT...LON 4429 9420 4411 9419 4407 9379 4422 9380

$$
JPR
2 follow-up statements
000 
WWUS53 KMPX 092042
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
341 PM CDT TUE AUG 9 2005

MNC053-092051-
/O.CAN.KMPX.SV.W.0279.000000T0000Z-050809T2115Z/
HENNEPIN MN-
341 PM CDT TUE AUG 9 2005

...THE SEVERE THUNDERSTORM WARNING FOR HENNEPIN COUNTY IS
CANCELLED...

THE SEVERE THUNDERSTORM HAS MOVED SOUTH AND EAST OUT OF THE COUNTY.  
THEREFORE...THE SEVERE THUNDERSTORM WARNING HAS BEEN CANCELLED. 

LAT...LON 4479 9330 4468 9329 4454 9308 4471 9281
      4476 9302 4489 9303

$$

MNC037-092115-
/O.CON.KMPX.SV.W.0279.000000T0000Z-050809T2115Z/
DAKOTA MN-
341 PM CDT TUE AUG 9 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 415 PM CDT FOR
DAKOTA COUNTY...

AT 340 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE
THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 11 MILES
NORTHEAST OF INVER GROVE HEIGHTS TO EAGAN...AND MOVING EAST AT 25
MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE RANDOLPH...VERMILLION...
ROSEMOUNT...LAKEVILLE...HAMPTON...FARMINGTON...BURNSVILLE AND 
APPLE VALLEY.

LAT...LON 4479 9330 4468 9329 4454 9308 4471 9281
      4476 9302 4489 9303

$$

DWE
000 
WWUS53 KMPX 092059
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
358 PM CDT TUE AUG 9 2005

MNC013-092110-
/O.CAN.KMPX.TO.W.0056.000000T0000Z-050809T2100Z/
BLUE EARTH MN-
358 PM CDT TUE AUG 9 2005

...THE TORNADO WARNING FOR NORTHERN BLUE EARTH COUNTY IS BEING 
ALLOWED TO EXPIRE...

THE STORM HAS WEAKENED...AND NO LONGER APPEARS TORNADIC. THEREFORE...
THE TORNADO WARNING WILL BE ALLOWED TO EXPIRE. SPOTTERS WILL 
CONTINUE TO WATCH THE STORM AND WILL QUICKLY NOTIFY THE NATIONAL 
WEATHER SERVICE IF IT STRENGTHENS AGAIN.

LAT...LON 4417 9415 4410 9412 4407 9379 4422 9380

$$
TDK

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 9, 1:13 AM CDTSevere Thunderstorm WarningMPXDouglas39 min
Aug 9, 3:31 AM CDTSevere Thunderstorm WarningMPXDouglas41 min
Aug 9, 3:48 AM CDTSevere Thunderstorm WarningMPXTodd57 min
Aug 9, 4:15 AM CDTSevere Thunderstorm WarningMPXMorrison60 min
Aug 9, 5:11 AM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs44 min
Aug 9, 2:11 PM CDTSevere Thunderstorm WarningMPXAnoka, Hennepin49 min
Aug 9, 2:33 PM CDTSevere Thunderstorm WarningMPXSibley42 min
Aug 9, 2:37 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood38 min
Aug 9, 2:43 PM CDTSevere Thunderstorm WarningMPXCarver, Scott47 min
Aug 9, 3:11 PM CDTSevere Thunderstorm WarningMPXDakota, Hennepin64 min
Aug 9, 3:11 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet73 min
Aug 9, 3:15 PM CDTSevere Thunderstorm WarningMPXScott45 min
Aug 9, 3:25 PM CDTSevere Thunderstorm WarningMPXRice65 min
Aug 9, 3:30 PM CDTSevere Thunderstorm WarningMPXBrown32 min
Aug 9, 3:31 PM CDTSevere Thunderstorm WarningMPXWashington59 min
Aug 9, 3:44 PM CDTSevere Thunderstorm WarningMPXWaseca61 min
Aug 9, 3:52 PM CDTSevere Thunderstorm WarningMPXMartin39 min
Aug 9, 3:55 PM CDTSevere Thunderstorm WarningMPXGoodhue65 min
Aug 9, 4:02 PM CDTSevere Thunderstorm WarningMPXSteele46 min
Aug 9, 4:08 PM CDTSevere Thunderstorm WarningMPXFaribault70 min
Aug 9, 4:42 PM CDTSevere Thunderstorm WarningMPXWaseca25 min
Aug 9, 5:09 PM CDTSevere Thunderstorm WarningMPXFreeborn50 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.