Alert archive / Minnesota / Tornado Warnings in 2003

Tornado Warning 49, NWS Twin Cities, MN

July 9, 2003Brown County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 9, 2003, 4:39 PM CDT for Brown County, Nicollet County, Minnesota. It was in force for 36 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, 4:39 PM CDT (21:39 UTC)
Expired: Jul 9, 2003, 5:15 PM CDT
In force: 36 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Brown County, MN, Nicollet County, MN

The radar

The Minneapolis radar (KMPX), 97 km from the middle of the area, began a volume at 21:41 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, 9.7 hours before the alert went out and 94 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.

231 
WFUS53 KMPX 092139
TORMPX
MNC015-103-092215-

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 515 PM CDT

* AT 437 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO 13 MILES NORTHWEST OF NEW ULM...MOVING EAST AT 20 MPH.
  ANOTHER STRONG STORM WAS DEVELOPING JUST NORTHEAST OF NEW ULM.
 
* LOCATIONS IMPACTED INCLUDE...
  NEW ULM.
  CORTLAND.
  GEORGE.
  KLOSSNER.

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

LAT...LON 4444 9487 4435 9470 4425 9425 4443 9429

$$

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, 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, 5:54 PM CDT	Tornado Warning	MPX	Blue Earth	51 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.