Alert archive / Minnesota / Tornado Warnings in 2003

Tornado Warning 47, NWS Twin Cities, MN

July 9, 2003Brown County, Nicollet County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Jul 9, 2003, 4:20 PM CDT for Brown County, Nicollet County, Minnesota. It was in force for 25 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, 4:20 PM CDT (21:20 UTC)
Expired: Jul 9, 2003, 4:45 PM CDT
In force: 25 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), 104 km from the middle of the area, began a volume at 21:21 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, 9.3 hours before the alert went out and 101 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.

000 
WFUS53 KMPX 092120 CCA
TORMPX
MNC015-103-092145-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING...CORRECTED SPEED OF STORM
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
414 PM CDT WED JUL 9 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 445 PM CDT

* AT 414 PM CDT...RADAR INDICATED A STORM CAPABLE OF PRODUCING A
  TORNADO 21 MILES WEST OF NEW ULM...OR ABOUT 15 MILES SOUTHEAST OF
  REDWOOD FALLS...MOVING EAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW ULM.
  ST. GEORGE.
  EVAN.
  RURAL AREAS OF NORTHERN BROWN COUNTY.

GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR

LAT...LON 4443 9485 4432 9484 4427 9448 4444 9446

$$

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, 4:27 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, 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.