Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 77, NWS Twin Cities, MN

July 4, 2003Brown County, Redwood County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 4, 2003, 2:00 AM CDT for Brown County, Redwood County, Minnesota. It was in force for 30 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, 2:00 AM CDT (07:00 UTC)
Expired
Jul 4, 2003, 2:30 AM CDT
In force
30 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Brown County, MN, Redwood County, MN

The watch it was issued in

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

IssuedProductOfficeLasted
Jul 3, 9:40 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.0 hours before the alert went out and 127 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.

839 
WUUS53 KMPX 040700
SVRMPX
MNC015-127-040730-

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 230 AM CDT

* AT 200 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING
  WINDS IN EXCESS OF 75 MPH LOCATED OVER SLEEPY EYE...OR ABOUT 14
  MILES WEST OF NEW ULM...MOVING NORTHEAST AT 35 MPH.

* LOCATIONS IMPACTED INCLUDE...
  NEW ULM.
  SLEEPY EYE.
  REDWOOD FALLS.

THIS IS A DANGEROUS STORM WITH DAMAGING WINDS...STAY INDOORS AWAY
FROM WINDOWS.

LAT...LON 4440 9553 4417 9493 4421 9484 4413 9441
          4430 9445 4446 9490 4453 9522 4454 9555

$$

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, 2:09 AM CDTTornado WarningMPXNicollet36 min
Jul 4, 2:24 AM CDTSevere Thunderstorm WarningMPXFreeborn, Rice, Scott, Steele, Waseca51 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.