Alert archive / Minnesota / Severe Thunderstorm Warnings in 2004

Severe Thunderstorm Warning 138, NWS Twin Cities, MN

June 8, 2004Kanabec County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 8, 2004, 2:18 AM CDT for Kanabec County, Minnesota. It was in force for 57 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 8, 2004, 2:18 AM CDT (07:18 UTC)
Expired
Jun 8, 2004, 3:15 AM CDT
In force
57 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Kanabec County, MN

The radar

The Minneapolis radar (KMPX), 126 km from the middle of the area, began a volume at 07:20 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 7, 10:25 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.3 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 2004-06-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1588 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 2004-06-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 172 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
1588 J/kg
Mixed-layer CIN
-129 J/kg
Mixed-layer LCL
2423 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
172 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.5

Open this sounding in Storm Lab

The text

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

387 
WUUS53 KMPX 080718
SVRMPX
MNC065-080815-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
217 AM CDT TUE JUN 8 2004

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  KANABEC COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 315 AM CDT

* AT 216 AM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. THIS STORM WAS
  LOCATED 9 MILES SOUTH OF MORA...AND MOVING NORTHEAST AT 45 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MORA.
  OGILVIE.
  BRUNSWICK. 
  GRASSTON.
 
LAT...LON 4612 9338 4574 9352 4574 9317 4614 9313

$$
MBK

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 7, 11:48 PM CDTSevere Thunderstorm WarningMPXChippewa, Swift57 min
Jun 8, 12:13 AM CDTSevere Thunderstorm WarningMPXYellow Medicine47 min
Jun 8, 12:21 AM CDTSevere Thunderstorm WarningMPXKandiyohi54 min
Jun 8, 12:46 AM CDTSevere Thunderstorm WarningMPXMeeker, Stearns59 min
Jun 8, 1:14 AM CDTSevere Thunderstorm WarningMPXWright61 min
Jun 8, 1:29 AM CDTSevere Thunderstorm WarningMPXSherburne46 min
Jun 8, 1:49 AM CDTSevere Thunderstorm WarningMPXAnoka, Carver, Hennepin71 min
Jun 8, 1:54 AM CDTSevere Thunderstorm WarningMPXIsanti, Mille Lacs66 min
Jun 8, 2:16 AM CDTSevere Thunderstorm WarningMPXChippewa, Swift29 min
Jun 8, 2:28 AM CDTSevere Thunderstorm WarningMPXKandiyohi47 min
Jun 8, 2:53 AM CDTSevere Thunderstorm WarningMPXMeeker52 min
Jun 8, 3:30 AM CDTSevere Thunderstorm WarningMPXWright60 min
Jun 8, 4:23 AM CDTSevere Thunderstorm WarningMPXStearns37 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.