Alert archive / Minnesota / Mesoscale Discussions in 2003
Mesoscale Discussion 1839
The Storm Prediction Center issued this mesoscale discussion at Jul 14, 2003, 5:05 PM CDT for 43 counties in Minnesota; 6 counties in Wisconsin. It was in force for 55 min.
The area
The outline as issued.
The facts
- Issued
- Jul 14, 2003, 5:05 PM CDT (22:05 UTC)
- Expired
- Jul 14, 2003, 6:00 PM CDT
- In force
- 55 min
- Issued by
- the Storm Prediction Center
All 49 counties
Aitkin County, MN, Anoka County, MN, Benton County, MN, Blue Earth County, MN, Brown County, MN, Carlton County, MN, Carver County, MN, Chippewa County, MN, Chisago County, MN, Cook County, MN, Cottonwood County, MN, Crow Wing County, MN, Dakota County, MN, Hennepin County, MN, Isanti County, MN, Jackson County, MN, Kanabec County, MN, Kandiyohi County, MN, Lake County, MN, Le Sueur County, MN, Martin County, MN, McLeod County, MN, Meeker County, MN, Mille Lacs County, MN, Morrison County, MN, Nicollet County, MN, Pine County, MN, Pope County, MN, Ramsey County, MN, Redwood County, MN, Renville County, MN, Rice County, MN, Saint Louis County, MN, Scott County, MN, Sherburne County, MN, Sibley County, MN, Stearns County, MN, Swift County, MN, Todd County, MN, Waseca County, MN, Washington County, MN, Watonwan County, MN, Wright County, MN, Ashland County, WI, Bayfield County, WI, Burnett County, WI, Douglas County, WI, Polk County, WI, Washburn County, WI
The radar
The Minneapolis radar (KMPX), 92 km from the middle of the area, began a volume at 22:07 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 watches that followed
Watches SPC issued over any of the same counties within four hours of this discussion.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.1 hours before the alert went out and 92 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
- 34 J/kg
- Mixed-layer CIN
- -643 J/kg
- Mixed-layer LCL
- 1461 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 94 m²/s²
- 0-3 km storm-relative helicity
- 122 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 ACUS11 KWNS 142206 SWOMCD SPC MCD 142205 MNZ000-WIZ000-142300- MESOSCALE DISCUSSION 1839 NWS STORM PREDICTION CENTER NORMAN OK 0505 PM CDT MON JUL 14 2003 AREAS AFFECTED...ERN MN/WRN WI CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 142205Z - 142300Z NEW WWS WILL BE ISSUED SHORTLY FOR MUCH OF EASTERN MINNESOTA AND NORTHWEST WISCONSIN. AS SHORT WAVE TROUGH CONTINUES EASTWARD INTO THE UPPER MISSISSIPPI VALLEY LATE THIS AFTERNOON AND EARLY EVENING...SOUTH SOUTHWESTERLY LOW-LEVEL JET IS FORECAST TO STRENGTHEN AHEAD OF SURFACE TROUGH EXTENDING SOUTHWARD FROM DEEPENING WESTERN ONTARIO SURFACE LOW. TROUGH EXTENDS SOUTHWARD TO ANOTHER WEAK LOW SOUTHWEST OF REDWOOD FALLS...WITH SURFACE WARM FRONT EXTENDING SOUTH OF SPENCER IA INTO THE DES MOINES AREA. LATEST VISIBLE/RADAR IMAGERY INDICATE INCREASING CONVECTIVE DEVELOPMENT ALONG LOW-LEVEL/JET AXIS NORTH OF WARM FRONT...AS WELL AS ALONG SURFACE TROUGH ITSELF...ACROSS NORTH CENTRAL/WEST CENTRAL MINNESOTA. TROUGH WILL GRADUALLY SPREAD EASTWARD TOWARD THE MISSISSIPPI/ST. CROIX RIVERS THIS EVENING...WITH INTENSE BAND OF STORMS SPREADING EAST OF THE RIVERS INTO NORTHWEST WISCONSIN. VERTICAL SHEAR PROFILES SUPPORTIVE OF ISOLATED EMBEDDED SUPERCELLS IN DESTABILIZING ENVIRONMENT WITH MEAN MIXED LAYER CAPE INCREASING IN EXCESS OF 2000 J/KG. ..KERR.. 07/14/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...DLH...MPX...FGF...FSD... 44219578 45409587 46489471 47389345 48099219 48059007 47198973 46219084 45149239 44169322 43549479 43649548
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 13, 9:40 PM CDT | Severe Thunderstorm Watch | SPC | Becker, Beltrami, Clay, Clearwater, Douglas, Grant and 9 more | 5 hr |
| Jul 13, 11:02 PM CDT | Mesoscale Discussion | SPC | Becker, Clay, Hubbard, Mahnomen, Norman, Otter Tail and 2 more | 58 min |
| Jul 14, 9:58 AM CDT | Mesoscale Discussion | SPC | Anoka, Blue Earth, Brown, Carver, Chisago, Cottonwood and 32 more | 62 min |
| Jul 14, 1:52 PM CDT | Mesoscale Discussion | SPC | Jackson, Murray, Nobles, Pipestone, Rock | 113 min |
| Jul 14, 2:10 PM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Clearwater, Hubbard, Itasca, Kittson and 9 more | 65 min |
| Jul 14, 2:35 PM CDT | Tornado Watch | SPC | Beltrami, Cass, Clearwater, Hubbard, Itasca, Kittson and 9 more | 5 hr |
| Jul 14, 3:45 PM CDT | Tornado Watch | SPC | Blue Earth, Cottonwood, Jackson, Martin, Murray, Nobles and 3 more | 6 hr |
| Jul 14, 3:50 PM CDT | Mesoscale Discussion | SPC | Beltrami, Cass, Clearwater, Hubbard, Itasca, Kittson and 9 more | 85 min |
| Jul 14, 3:57 PM CDT | Mesoscale Discussion | SPC | Aitkin, Benton, Big Stone, Crow Wing, Douglas, Grant and 9 more | 2 hr |
| Jul 14, 5:25 PM CDT | Tornado Watch | SPC | Aitkin, Anoka, Benton, Brown, Carlton, Carver and 36 more | 5 hr |
| Jul 14, 5:35 PM CDT | Tornado Watch | SPC | Cook, Lake, Saint Louis | 4 hr |
| Jul 14, 5:55 PM CDT | Mesoscale Discussion | SPC | Itasca | 2 hr |
| Jul 14, 6:49 PM CDT | Mesoscale Discussion | SPC | Blue Earth, Brown, Jackson, Martin, Nicollet, Watonwan | 116 min |
Nearby
Mesoscale Discussions in Minnesota, 2003Mesoscale Discussions in Wisconsin, 2003Every mesoscale discussion 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.