Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 78, NWS Twin Cities, MN

July 4, 20035 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 4, 2003, 2:24 AM CDT for 5 counties in 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 4, 2003, 2:24 AM CDT (07:24 UTC)
Expired
Jul 4, 2003, 3:15 AM CDT
In force
51 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Freeborn County, MN, Rice County, MN, Scott County, MN, Steele County, MN, Waseca County, MN

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Jul 4, 1:15 AM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.4 hours before the alert went out and 89 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 00:00Z on 2003-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 151 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2003-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -47 square meters per square second.1939587897Sfc1 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
151 J/kg
Mixed-layer CIN
-708 J/kg
Mixed-layer LCL
1300 m above ground
0-6 km bulk shear
53 kt
0-1 km storm-relative helicity
-47 m²/s²
0-3 km storm-relative helicity
45 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.5

Open this sounding in Storm Lab

The text

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

646 
WUUS53 KMPX 040724
SVRMPX
MNC047-131-139-147-161-040815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
225 AM CDT FRI JUL 4 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SCOTT COUNTY IN EAST CENTRAL MINNESOTA
  RICE COUNTY IN SOUTH CENTRAL MINNESOTA
  WASECA COUNTY IN SOUTH CENTRAL MINNESOTA
  STEELE COUNTY IN SOUTH CENTRAL MINNESOTA
  FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 315 AM CDT

* AT 225 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING
  WINDS 7 MILES NORTHEAST OF WALDORF...OR ABOUT 8 MILES SOUTHWEST OF
  WASECA...MOVING NORTHEAST AT 40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  ALBERT LEA.
  FARIBAULT.
  NEW PRAGUE.
  OWATONNA.
  WASECA.

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

LAT...LON 4379 9366 4385 9378 4420 9378 4420 9354
          4453 9354 4458 9370 4467 9341 4392 9310
          4352 9315 4352 9352

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 3, 11:58 PM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Stevens, Swift62 min
Jul 4, 12:33 AM CDTSevere Thunderstorm WarningMPXDouglas, Pope42 min
Jul 4, 12:37 AM CDTSevere Thunderstorm WarningMPXMartin53 min
Jul 4, 12:54 AM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Stevens, Swift51 min
Jul 4, 1:00 AM CDTSevere Thunderstorm WarningMPXBrown, Redwood, Watonwan60 min
Jul 4, 1:10 AM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stearns, Todd50 min
Jul 4, 1:16 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Lac qui Parle, Pope, Renville, Yellow Medicine59 min
Jul 4, 1:18 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Renville, Yellow Medicine57 min
Jul 4, 1:28 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Martin, Nicollet47 min
Jul 4, 1:55 AM CDTSevere Thunderstorm WarningMPXLe Sueur, McLeod, Sibley50 min
Jul 4, 2:00 AM CDTSevere Thunderstorm WarningMPXBrown, Redwood30 min
Jul 4, 2:09 AM CDTTornado WarningMPXNicollet36 min
Jul 4, 2:28 AM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs47 min
Jul 4, 2:34 AM CDTSevere Thunderstorm WarningMPXBenton, Sherburne, Wright41 min
Jul 4, 2:48 AM CDTSevere Thunderstorm WarningMPXAnoka, Carver, Hennepin, McLeod, Sibley57 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2003Every 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.