Alert archive / Minnesota / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 30, NWS Twin Cities, MN

June 24, 20034 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 24, 2003, 2:22 AM CDT for 4 counties in Minnesota. It was in force for 53 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, 2:22 AM CDT (07:22 UTC)
Expired
Jun 24, 2003, 3:15 AM CDT
In force
53 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 29 km from the middle of the area, began a volume at 07:25 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 watch it was issued in

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

IssuedProductOfficeLasted
Jun 24, 12:35 AM CDTSevere Thunderstorm WatchSPC5 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.4 hours before the alert went out and 32 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 2003-06-24Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1955 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2003-06-24The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 51 square meters per square second.19395878Sfc1 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
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.

143 
WUUS53 KMPX 240722
SVRMPX
MNC037-053-123-163-240815-

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA
  RAMSEY COUNTY IN EAST CENTRAL MINNESOTA
  DAKOTA COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 315 AM CDT

* AT 217 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS WITH
DAMAGING WINDS ALONG A LINE EXTENDING FROM 9 MILES SOUTHWEST OF 
MAPLE PLAIN TO 12 MILES SOUTH OF FARMINGTON...OR ALONG A LINE 
EXTENDING FROM 26 MILES WEST OF MINNEAPOLIS TO 14 MILES NORTH OF 
FARIBAULT...MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BURNSVILLE.
  MINNEAPOLIS.
  ST PAUL.

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

LAT...LON 4464 9332 4479 9334 4481 9348 4505 9373
          4517 9293 4486 9275 4469 9275 4452 9321

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 23, 7:29 PM CDTSevere Thunderstorm WarningMPXMorrison31 min
Jun 23, 8:48 PM CDTSevere Thunderstorm WarningMPXDouglas42 min
Jun 24, 12:22 AM CDTSevere Thunderstorm WarningMPXBrown, Watonwan38 min
Jun 24, 2:07 AM CDTSevere Thunderstorm WarningMPXCarver, Scott38 min
Jun 24, 3:31 PM CDTSevere Thunderstorm WarningMPXStevens44 min
Jun 24, 4:13 PM CDTSevere Thunderstorm WarningMPXDouglas, Pope, Stevens47 min
Jun 24, 4:47 PM CDTSevere Thunderstorm WarningMPXMorrison, Stearns, Todd43 min
Jun 24, 4:56 PM CDTSevere Thunderstorm WarningMPXPope34 min
Jun 24, 5:04 PM CDTTornado WarningMPXPope26 min
Jun 24, 5:29 PM CDTTornado WarningMPXPope, Stearns31 min
Jun 24, 5:35 PM CDTTornado WarningMPXYellow Medicine25 min
Jun 24, 5:50 PM CDTTornado WarningMPXYellow Medicine40 min
Jun 24, 5:56 PM CDTSevere Thunderstorm WarningMPXMorrison, Stearns, Todd49 min
Jun 24, 6:09 PM CDTTornado WarningMPXStearns, Todd36 min
Jun 24, 6:27 PM CDTTornado WarningMPXYellow Medicine33 min
Jun 24, 6:33 PM CDTTornado WarningMPXMcLeod, Renville, Sibley42 min
Jun 24, 6:40 PM CDTTornado WarningMPXHennepin35 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.