Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 28, NWS Twin Cities, MN

June 24, 2003Brown County, Watonwan County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 24, 2003, 12:22 AM CDT for Brown County, Watonwan County, Minnesota. It was in force for 38 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: Jun 24, 2003, 12:22 AM CDT (05:22 UTC)
Expired: Jun 24, 2003, 1:00 AM CDT
In force: 38 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Brown County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 124 km from the middle of the area, began a volume at 05:25 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 00:00Z, 5.4 hours before the alert went out and 122 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: 1955 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1314 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 51 m²/s²
0-3 km storm-relative helicity: 79 m²/s²
Significant tornado parameter: 0.8
Supercell composite: 6.7

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

472 
WUUS53 KMPX 240522
SVRMPX
MNC015-165-240600-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1221 AM CDT TUE JUN 24 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA
  WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 100 AM CDT

* AT 1221 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL AND DAMAGING WINDS 5 MILES NORTHEAST OF DARFUR...OR ABOUT 10
  MILES NORTHWEST OF ST JAMES...MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MADELIA.
  SLEEPY EYE.
  ST JAMES.

THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

THIS IS A DANGEROUS STORM WITH LARGE HAIL...STAY INDOORS AWAY FROM
WINDOWS.

LAT...LON 4420 9508 4385 9480 4390 9440 4414 9439
          4442 9474

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 23, 7:29 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	31 min
Jun 23, 8:48 PM CDT	Severe Thunderstorm Warning	MPX	Douglas	42 min
Jun 24, 2:07 AM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott	38 min
Jun 24, 2:22 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin, Ramsey, Washington	53 min
Jun 24, 3:31 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	44 min
Jun 24, 4:13 PM CDT	Severe Thunderstorm Warning	MPX	Douglas, Pope, Stevens	47 min
Jun 24, 4:47 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Stearns, Todd	43 min
Jun 24, 4:56 PM CDT	Severe Thunderstorm Warning	MPX	Pope	34 min
Jun 24, 5:04 PM CDT	Tornado Warning	MPX	Pope	26 min
Jun 24, 5:29 PM CDT	Tornado Warning	MPX	Pope, Stearns	31 min
Jun 24, 5:35 PM CDT	Tornado Warning	MPX	Yellow Medicine	25 min
Jun 24, 5:50 PM CDT	Tornado Warning	MPX	Yellow Medicine	40 min
Jun 24, 5:56 PM CDT	Severe Thunderstorm Warning	MPX	Morrison, Stearns, Todd	49 min
Jun 24, 6:09 PM CDT	Tornado Warning	MPX	Stearns, Todd	36 min
Jun 24, 6:27 PM CDT	Tornado Warning	MPX	Yellow Medicine	33 min
Jun 24, 6:33 PM CDT	Tornado Warning	MPX	McLeod, Renville, Sibley	42 min
Jun 24, 6:40 PM CDT	Tornado Warning	MPX	Hennepin	35 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2003 Every severe thunderstorm warning 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.