Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 4, NWS Twin Cities, MN

April 19, 2005Swift County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Apr 19, 2005, 5:28 PM CDT for Swift County, Minnesota. It was in force for 49 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
Apr 19, 2005, 5:28 PM CDT (22:28 UTC)
Expired
Apr 19, 2005, 6:17 PM CDT
In force
49 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Swift County, MN

The radar

The Minneapolis radar (KMPX), 160 km from the middle of the area, began a volume at 22:32 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, 10.5 hours before the alert went out and 158 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 2005-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 52 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 2005-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 square meters per square second.1939Sfc1 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
52 J/kg
Mixed-layer CIN
-156 J/kg
Mixed-layer LCL
1008 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
32 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 192229
TORMPX
MNC151-192315-
/O.NEW.KMPX.TO.W.0004.050419T2228Z-050419T2315Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
528 PM CDT TUE APR 19 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 615 PM CDT

* AT 527 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO...8 MILES NORTHEAST OF BENSON...MOVING SOUTH AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BENSON...
  SWIFT FALLS...
  DE GRAFF...
  MURDOCK...
  KERKHOVEN...

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 4541 9539 4541 9566 4517 9571 4517 9535

$$

RAH
2 follow-up statements
000 
WWUS53 KMPX 192246
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
546 PM CDT TUE APR 19 2005

MNC151-192315-
/O.CON.KMPX.TO.W.0004.000000T0000Z-050419T2315Z/
SWIFT MN-
546 PM CDT TUE APR 19 2005

...A TORNADO WARNING CONTINUES UNTIL 615 PM CDT FOR SWIFT COUNTY...

AT 541 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THE SEVERE THUNDERSTORM
WAS LOCATED NEAR DE GRAFF...OR ABOUT 8 MILES EAST OF BENSON...MOVING
SOUTH AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE MURDOCK AND KERKHOVEN.

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 4540 9527 4540 9560 4517 9553 4517 9527

$$

RAH
000 
WWUS53 KMPX 192317
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
615 PM CDT TUE APR 19 2005

MNC151-192325-
/O.EXP.KMPX.TO.W.0004.000000T0000Z-050419T2315Z/
SWIFT MN-
615 PM CDT TUE APR 19 2005

...THE TORNADO WARNING FOR SWIFT COUNTY WILL EXPIRE AT 615 PM CDT...

NO REPORTS OF SEVERE WEATHER HAVE BEEN RECEIVED AT THE NATIONAL 
WEATHER SERVICE FOR SWIFT COUNTY. AT 615 PM...A WEAKENING 
THUNDERSTORM WAS LOCATED NEAR KERKHOVEN. THE STORM WAS MOVING SOUTH 
AT 30 MPH.  

LAT...LON 4540 9527 4540 9560 4517 9553 4517 9527

$$

RAH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 4:28 PM CDTTornado WarningMPXPope62 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.