Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 11, NWS Twin Cities, MN

May 18, 2005Stevens County, Minnesota

NWS Twin Cities, MN issued this tornado warning at May 18, 2005, 6:18 PM CDT for Stevens County, Minnesota. It was in force for 42 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 18, 2005, 6:18 PM CDT (23:18 UTC)
Expired
May 18, 2005, 7:00 PM CDT
In force
42 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Stevens County, MN

The radar

The Aberdeen radar (KABR), 183 km from the middle of the area, began a volume at 23:19 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
May 18, 1:25 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 11.3 hours before the alert went out and 201 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, Aberdeen, SD at 12:00Z on 2005-05-18Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Aberdeen, SD at 12:00Z on 2005-05-18The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 52 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1182 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
52 m²/s²
0-3 km storm-relative helicity
69 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 182319
TORMPX
MNC149-190000-
/O.NEW.KMPX.TO.W.0011.050518T2318Z-050519T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
618 PM CDT WED MAY 18 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  STEVENS COUNTY IN WEST CENTRAL MINNESOTA

* UNTIL 700 PM CDT

* AT 613 PM CDT...TRAINED WEATHER SPOTTERS REPORTED NUMEROUS FUNNEL  
  CLOUDS NORTH AND EAST OF DONNELLY. THE STORM WAS MOVING NORTHEAST  
  AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MORRIS...
   
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.

LAT...LON 4571 9626 4556 9610 4554 9581 4575 9579
      4576 9624

$$
2 follow-up statements
000 
WWUS53 KMPX 182346
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
645 PM CDT WED MAY 18 2005

MNC149-190000-
/O.CON.KMPX.TO.W.0011.000000T0000Z-050519T0000Z/
STEVENS MN-
645 PM CDT WED MAY 18 2005

...A TORNADO WARNING CONTINUES UNTIL 700 PM CDT FOR STEVENS COUNTY...

AT 638 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THE SEVERE THUNDERSTORM
WAS LOCATED BETWEEN DONNELLY AND MORRIS. THE SEVERE THUNDERSTORM
HAD JUST REDEVELOPED...AND IS EXPECTED TO MOVE TOWARD THE NORTH 
NORTHEAST AT ABOUT 25 MPH.


LAT...LON 4571 9626 4556 9610 4554 9581 4575 9579
      4576 9624

$$
RJN
000 
WWUS53 KMPX 182359
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
657 PM CDT WED MAY 18 2005

MNC149-190012-
/O.CON.KMPX.TO.W.0011.000000T0000Z-050519T0000Z/
STEVENS MN-
657 PM CDT WED MAY 18 2005

...TORNADO WARNING BEING ALLOWED TO EXPIRE AT 700 PM CDT FOR STEVENS 
COUNTY...

AT 653 PM CDT...DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 10 
MILES NORTHEAST OF MORRIS. THE STORM IS MOVING TOWARD THE NORTHEAST 
AT 25 MPH.

THE TORNADO WARNING FOR STEVENS COUNTY WILL BE ALLOWED TO EXPIRE AT 
700 PM.


LAT...LON 4571 9626 4556 9610 4554 9581 4575 9579
      4576 9624

$$
RJN

The office that day

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

IssuedProductOfficeCountiesLasted
May 18, 6:38 PM CDTTornado WarningMPXSwift52 min
May 18, 6:58 PM CDTTornado WarningMPXChippewa32 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.