Alert archive / Minnesota / Mesoscale Discussions in 2004
Mesoscale Discussion 1139
The Storm Prediction Center issued this mesoscale discussion at Jun 8, 2004, 3:02 AM CDT for 29 counties in Minnesota; 11 counties in Wisconsin. It was in force for 58 min.
The area
The outline as issued.
The facts
- Issued
- Jun 8, 2004, 3:02 AM CDT (08:02 UTC)
- Expired
- Jun 8, 2004, 4:00 AM CDT
- In force
- 58 min
- Issued by
- the Storm Prediction Center
All 40 counties
Aitkin County, MN, Anoka County, MN, Benton County, MN, Carlton County, MN, Carver County, MN, Chisago County, MN, Cook County, MN, Crow Wing County, MN, Dakota County, MN, Hennepin County, MN, Isanti County, MN, Kanabec County, MN, Kandiyohi County, MN, Lake County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Pine County, MN, Ramsey County, MN, Renville County, MN, Saint Louis County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Todd County, MN, Washington County, MN, Wright County, MN, Ashland County, WI, Barron County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Dunn County, WI, Pierce County, WI, Polk County, WI, Rusk County, WI, Saint Croix County, WI, Washburn County, WI
The radar
The Minneapolis radar (KMPX), 118 km from the middle of the area, began a volume at 08:03 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 00:00Z, 8.0 hours before the alert went out and 119 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.
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
890 ACUS11 KWNS 080803 SWOMCD SPC MCD 080802 MIZ000-MNZ000-WIZ000-080900- MESOSCALE DISCUSSION 1139 NWS STORM PREDICTION CENTER NORMAN OK 0302 AM CDT TUE JUN 08 2004 AREAS AFFECTED...ECNTRL/NERN MN INTO WCNTRL/NWRN WI CONCERNING...SEVERE THUNDERSTORM WATCH 407...408... VALID 080802Z - 080900Z SEVERE THUNDERSTORM WATCHES 407 AND 408 ARE SET TO EXPIRE AT 0900 UTC. ANOTHER WATCH WILL PROBABLY NOT BE NEEDED. THE BOW ECHO THAT MOVED THROUGH THE TWIN CITIES AREA DID NOT MAINTAIN CHARACTER AS IT MOVED EWD...PROBABLY DUE TO STRONGER CAP LOCATED ALONG THE MS RVR. ELEVATED TSTMS HAVE CONTINUED TO DEVELOP IN THE WAKE DEPRESSION AND WILL MOVE TOWARD THE WRN PARTS OF THE TWIN CITIES METRO AREA THROUGH 10Z. THESE STORMS MAY POSE AN ISOLD HAIL THREAT. MEANWHILE...DOWNSTREAM...OUTFLOW BOUNDARY HAS MOVED INTO WCNTRL/ NWRN WI WITH A MESOSCALE CONVECTIVE VORTICITY CENTER MOVING ENEWD INTO BURNETT COUNTY WI. THIS MCV EVOLVED FROM THE HEAD PORTION OF THE RECENTLY WEAKENED BOW ECHO. ASSOCIATED TSTMS WILL CONTINUE TO MOVE ENEWD TOWARD HAYWARD BY 0800 UTC AND COULD PERIODICALLY PRODUCE A DAMAGING WIND GUST OR HAIL. OTHERWISE...SUSTAINED DEEP CONVECTION HAS FAILED TO DEVELOP ALONG THE OUTFLOW/FRONT FARTHER NORTH ACROSS NERN MN LATELY. TSTMS MAY INCREASE UPSTREAM FROM THE SERN ND/NERN SD AREA NEWD INTO CNTRL/NRN MN IN A FEW HOURS. THESE TSTMS SHOULD MAINLY BE SUB-SEVERE...BUT COULD PRODUCE ISOLD HAIL TO NEAR SEVERE LEVELS. GIVEN ISOLD COVERAGE OF THE SEVERE THREATS...IT DOES NOT SEEM PRUDENT TO ISSUE CONTINUATION WATCHES ACROSS THE UPPER MS VLY ATTM. ..RACY.. 06/08/2004 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...MQT...DLH...MPX... 44709563 46229490 48049193 48038870 45769166 45649077 44559214 44549468
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 7, 7:08 PM CDT | Mesoscale Discussion | SPC | Aitkin, Anoka, Benton, Carlton, Carver, Chisago and 14 more | 2 hr |
| Jun 7, 9:46 PM CDT | Mesoscale Discussion | SPC | Chippewa, Kandiyohi, Lac qui Parle, Lincoln, Lyon, McLeod and 8 more | 119 min |
| Jun 7, 10:25 PM CDT | Severe Thunderstorm Watch | SPC | Aitkin, Benton, Big Stone, Carlton, Chippewa, Cook and 21 more | 6 hr |
| Jun 8, 12:42 AM CDT | Mesoscale Discussion | SPC | Anoka, Brown, Carver, Chisago, Dakota, Dodge and 17 more | 63 min |
| Jun 8, 12:55 AM CDT | Severe Thunderstorm Watch | SPC | Anoka, Carver, Chisago, Dakota, Goodhue, Hennepin and 10 more | 3 hr |
| Jun 8, 2:08 AM CDT | Mesoscale Discussion | SPC | Aitkin, Benton, Carlton, Chippewa, Cook, Crow Wing and 14 more | 67 min |
| Jun 8, 3:29 PM CDT | Mesoscale Discussion | SPC | Blue Earth, Dodge, Faribault, Fillmore, Freeborn, Goodhue and 10 more | 2 hr |
| Jun 8, 5:00 PM CDT | Severe Thunderstorm Watch | SPC | Freeborn | 6 hr |
Nearby
Mesoscale Discussions in Minnesota, 2004Mesoscale Discussions in Wisconsin, 2004Every mesoscale discussion 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.