Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 17, NWS Twin Cities, MN

June 23, 2003Redwood County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 23, 2003, 7:18 AM CDT for Redwood County, Minnesota. It was in force for 42 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 23, 2003, 7:18 AM CDT (12:18 UTC)
Expired
Jun 23, 2003, 8:00 AM CDT
In force
42 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Redwood County, MN

The radar

The Sioux Falls radar (KFSD), 142 km from the middle of the area, began a volume at 12:19 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 12:00Z, 0.3 hours before the alert went out and 145 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 12:00Z on 2003-06-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 627 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 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 12:00Z on 2003-06-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 68 square meters per square second.193958Sfc1 km3 km6 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
627 J/kg
Mixed-layer CIN
-52 J/kg
Mixed-layer LCL
795 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
68 m²/s²
0-3 km storm-relative helicity
110 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.

983 
WUUS53 KMPX 231218
SVRMPX
MNC127-231300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
717 AM CDT MON JUN 23 2003

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  REDWOOD COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 800 AM CDT

* AT 717 AM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE
  HAIL OVER REVERE...OR ABOUT 24 MILES NORTHEAST OF SLAYTON...MOVING
  NORTHEAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  REDWOOD FALLS.
  WALNUT GROVE.
  LAMBERTON.
  
THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE
THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING.

LAT...LON 4427 9556 4462 9515 4427 9487 4427 9511
          4419 9511 4418 9543

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 22, 7:23 PM CDTSevere Thunderstorm WarningMPXPope37 min
Jun 22, 9:40 PM CDTSevere Thunderstorm WarningMPXMille Lacs35 min
Jun 22, 10:49 PM CDTSevere Thunderstorm WarningMPXMeeker41 min
Jun 22, 11:21 PM CDTTornado WarningMPXMeeker24 min
Jun 22, 11:23 PM CDTTornado WarningMPXMeeker22 min
Jun 23, 4:12 AM CDTSevere Thunderstorm WarningMPXLe Sueur48 min
Jun 23, 1:11 PM CDTSevere Thunderstorm WarningMPXDouglas49 min
Jun 23, 1:20 PM CDTSevere Thunderstorm WarningMPXPope40 min
Jun 23, 1:49 PM CDTSevere Thunderstorm WarningMPXTodd41 min
Jun 23, 3:27 PM CDTSevere Thunderstorm WarningMPXKandiyohi33 min
Jun 23, 3:40 PM CDTTornado WarningMPXKandiyohi35 min
Jun 23, 4:07 PM CDTFlash Flood WarningMPXKandiyohi, Stearns113 min
Jun 23, 4:12 PM CDTSevere Thunderstorm WarningMPXMeeker, Stearns63 min
Jun 23, 4:30 PM CDTTornado WarningMPXMeeker30 min
Jun 23, 4:51 PM CDTSevere Thunderstorm WarningMPXRenville24 min
Jun 23, 5:16 PM CDTSevere Thunderstorm WarningMPXRenville14 min
Jun 23, 5:17 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker28 min
Jun 23, 5:29 PM CDTTornado WarningMPXRenville31 min
Jun 23, 5:33 PM CDTFlash Flood WarningMPXDouglas, Todd2 hr
Jun 23, 6:23 PM CDTTornado WarningMPXRenville37 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; radar from the NEXRAD Level II archive.