Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 127, NWS Twin Cities, MN

June 5, 2004Anoka County, Washington County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 5, 2004, 5:20 PM CDT for Anoka County, Washington County, Minnesota. It was in force for 40 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 5, 2004, 5:20 PM CDT (22:20 UTC)
Expired
Jun 5, 2004, 6:00 PM CDT
In force
40 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Anoka County, MN, Washington County, MN

The radar

The Minneapolis radar (KMPX), 68 km from the middle of the area, began a volume at 22:23 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, 10.3 hours before the alert went out and 70 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 2004-06-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2004-06-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 320 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1287 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
320 m²/s²
0-3 km storm-relative helicity
231 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

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

552 
WUUS53 KMPX 052220
SVRMPX
MNC003-163-052300-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
517 PM CDT SAT JUN 5 2004

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHEAST ANOKA COUNTY IN EAST CENTRAL MINNESOTA
  NORTHERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 600 PM CDT

* AT 517 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60
  MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM COOPERS 
  CORNER...TO STACY...MOVING SOUTHEAST AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...FOREST LAKE...MARINE ON ST. 
CROIX...EAST BETHEL...SCANDIA...AND COOPERS CORNER. 

TREES HAVE BEEN DOWNED WITH THESE STORMS IN CHISAGO COUNTY.

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4541 9303 4541 9310 4541 9321 4515 9311
      4515 9286 4518 9274 4530 9277 4530 9303

$$

BINAU

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 5, 3:23 PM CDTSevere Thunderstorm WarningMPXKanabec37 min
Jun 5, 4:16 PM CDTSevere Thunderstorm WarningMPXYellow Medicine29 min
Jun 5, 4:33 PM CDTSevere Thunderstorm WarningMPXRedwood27 min
Jun 5, 4:43 PM CDTSevere Thunderstorm WarningMPXChisago47 min
Jun 5, 4:48 PM CDTTornado WarningMPXChisago42 min
Jun 5, 5:03 PM CDTSevere Thunderstorm WarningMPXRedwood42 min
Jun 5, 5:35 PM CDTSevere Thunderstorm WarningMPXChisago40 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2004Every severe thunderstorm warning in 2004

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.