Alert archive / Minnesota / Tornado Warnings in 2003

Tornado Warning 54, NWS Twin Cities, MN

July 9, 2003Blue Earth County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 9, 2003, 5:54 PM CDT for Blue Earth County, Minnesota. It was in force for 51 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: Jul 9, 2003, 5:54 PM CDT (22:54 UTC)
Expired: Jul 9, 2003, 6:45 PM CDT
In force: 51 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Blue Earth County, MN

The radar

The Minneapolis radar (KMPX), 96 km from the middle of the area, began a volume at 22:56 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.

Issued	Product	Office	Lasted
Jul 9, 2:30 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.9 hours before the alert went out and 95 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1344 m above ground
0-6 km bulk shear: 15 kt
0-1 km storm-relative helicity: 39 m²/s²
0-3 km storm-relative helicity: 105 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.

808 
WFUS53 KMPX 092254
TORMPX
MNC013-092345-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
552 PM CDT WED JUL 9 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 645 PM CDT

* AT 552 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED A STORM
  CAPABLE OF PRODUCING A TORNADO 3 MILES WEST OF LAKE CRYSTAL...OR   
  ABOUT 15 MILES WEST OF MANKATO...MOVING EAST TO SOUTHEAST AT 20   
  MPH. THIS STORM DID PRODUCE A TORNADO AT 540 PM JUST SOUTH OF      
  CORTLAND IN NORTHWEST BLUE EARTH COUNTY.

* LOCATIONS IMPACTED INCLUDE...
  GOOD THUNDER.
  LAKE CRYSTAL.
  MANKATO.
  SKYLINE.
  ST CLAIR.
  VERNON CENTER.

IF YOU ARE IN A MULTIPLE STORY BUILDING...GO TO A SMALL INTERIOR ROOM
AWAY FROM WINDOWS

LAT...LON 4420 9437 4393 9433 4395 9379 4415 9386

&

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 9, 3:37 PM CDT	Tornado Warning	MPX	Stevens	23 min
Jul 9, 3:39 PM CDT	Tornado Warning	MPX	Redwood, Renville	51 min
Jul 9, 3:58 PM CDT	Tornado Warning	MPX	Stevens	32 min
Jul 9, 4:15 PM CDT	Tornado Warning	MPX	Brown, Nicollet	30 min
Jul 9, 4:20 PM CDT	Tornado Warning	MPX	Brown, Nicollet	25 min
Jul 9, 4:27 PM CDT	Tornado Warning	MPX	Renville	18 min
Jul 9, 4:39 PM CDT	Tornado Warning	MPX	Brown, Nicollet	36 min
Jul 9, 5:00 PM CDT	Tornado Warning	MPX	Chippewa, Swift	45 min
Jul 9, 5:07 PM CDT	Tornado Warning	MPX	Blue Earth, Brown, Nicollet	53 min
Jul 9, 5:20 PM CDT	Tornado Warning	MPX	Renville, Yellow Medicine	25 min
Jul 9, 5:50 PM CDT	Tornado Warning	MPX	Kandiyohi, Renville	40 min
Jul 9, 6:30 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Renville	45 min
Jul 9, 6:39 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Sibley	51 min

Nearby

Tornado Warnings in Minnesota, 2003 Every tornado warning in 2003 Tornadoes in 2003

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.