Alert archive / Minnesota / Mesoscale Discussions in 2003
Mesoscale Discussion 2249
The Storm Prediction Center issued this mesoscale discussion at Aug 25, 2003, 4:43 PM CDT for 11 counties in Minnesota; Grand Forks County, North Dakota. It was in force for 62 min.
The area
The outline as issued.
The facts
- Issued
- Aug 25, 2003, 4:43 PM CDT (21:43 UTC)
- Expired
- Aug 25, 2003, 5:45 PM CDT
- In force
- 62 min
- Issued by
- the Storm Prediction Center
Counties Beltrami County, MN, Clearwater County, MN, Itasca County, MN, Kittson County, MN, Koochiching County, MN, Lake of the Woods County, MN, Marshall County, MN, Pennington County, MN, Polk County, MN, Red Lake County, MN, Roseau County, MN, Grand Forks County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 209 km from the middle of the area, began a volume at 21:42 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
International Fa, MN (KINL), launched 12:00Z, 9.7 hours before the alert went out and 112 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2330 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 90 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
820 ACUS11 KWNS 252144 SWOMCD SPC MCD 252143 MNZ000-NDZ000-252245- MESOSCALE DISCUSSION 2249 NWS STORM PREDICTION CENTER NORMAN OK 0443 PM CDT MON AUG 25 2003 AREAS AFFECTED...ERN ND...NRN MN CONCERNING...SEVERE THUNDERSTORM POTENTIAL VALID 252143Z - 252245Z ...THUNDERSTORMS MAY DEVELOP SWWD INTO PORTIONS OF THE UPPER MS VALLEY OVER THE NEXT FEW HOURS. ISOLATED SEVERE MAY BE POSSIBLE AND WW MAY BE ISSUED... THUNDERSTORMS ARE SLOWLY DEVELOPING SWWD ACROSS MANITOBA TOWARD THE U.S./CANADIAN BORDER...NORTH OF GFK. THIS ACTIVITY IS DEVELOPING ALONG COLD FRONT THAT IS EXPECTED TO MOVE INTO NWRN PORTIONS OF MN OVER THE NEXT 3-6HRS. IF CURRENT TRENDS CONTINUE...WW MAY BE REQUIRED IN THE NEXT HOUR FROM PORTIONS OF ERN ND ACROSS NRN MN. ..DARROW.. 08/25/2003 ...PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT... ATTN...WFO...DLH...FGF... 48269260 47469325 47719806 48919728 49059469
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 24, 8:16 PM CDT | Mesoscale Discussion | SPC | Blue Earth, Cottonwood, Faribault, Freeborn, Jackson, Martin and 8 more | 119 min |
| Aug 25, 11:33 AM CDT | Mesoscale Discussion | SPC | Aitkin, Anoka, Benton, Carlton, Chisago, Crow Wing and 13 more | 117 min |
| Aug 25, 5:00 PM CDT | Tornado Watch | SPC | Beltrami, Clearwater, Kittson, Lake of the Woods, Marshall, Pennington and 3 more | 5 hr |
| Aug 25, 5:20 PM CDT | Severe Thunderstorm Watch | SPC | Fillmore, Freeborn, Houston, Mower | 6 hr |
| Aug 25, 6:21 PM CDT | Mesoscale Discussion | SPC | Big Stone, Lac qui Parle, Lincoln, Lyon, Traverse, Wilkin and 1 more | 54 min |
| Aug 25, 3:53 AM CDT | Mesoscale Discussion | SPC | Barnes, Benson, Cass, Cavalier, Eddy, Foster and 12 more | 2 hr |
Nearby
Mesoscale Discussions in Minnesota, 2003Mesoscale Discussions in North Dakota, 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.