Alert archive / Minnesota / Tornado Watches in 2005
Tornado Watch 515
The Storm Prediction Center issued this tornado watch at Jun 23, 2005, 6:35 PM CDT for 9 counties in Minnesota; Bayfield County, Douglas County, Wisconsin. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 23, 2005, 6:35 PM CDT (23:35 UTC)
- Expired
- Jun 24, 2005, 2:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
Counties Aitkin County, MN, Carlton County, MN, Cass County, MN, Crow Wing County, MN, Itasca County, MN, Koochiching County, MN, Lake County, MN, Lake of the Woods County, MN, Saint Louis County, MN, Bayfield County, WI, Douglas County, WI
The radar
The Duluth radar (KDLH), 113 km from the middle of the area, began a volume at 23:35 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.
Warnings issued inside it
13 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 7:17 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 28 min |
| Jun 23, 7:35 PM CDT | Severe Thunderstorm Warning | DLH | Itasca | 29 min |
| Jun 23, 7:42 PM CDT | Severe Thunderstorm Warning | DLH | Koochiching | 48 min |
| Jun 23, 8:13 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 38 min |
| Jun 23, 8:24 PM CDT | Severe Thunderstorm Warning | DLH | Cass | 66 min |
| Jun 23, 9:14 PM CDT | Tornado Warning | DLH | Cass | 46 min |
| Jun 23, 9:21 PM CDT | Tornado Warning | DLH | Itasca | 31 min |
| Jun 23, 9:32 PM CDT | Severe Thunderstorm Warning | DLH | Cass | 27 min |
| Jun 23, 9:35 PM CDT | Tornado Warning | DLH | Saint Louis | 62 min |
| Jun 23, 9:49 PM CDT | Severe Thunderstorm Warning | DLH | Crow Wing | 52 min |
| Jun 23, 9:57 PM CDT | Severe Thunderstorm Warning | DLH | Cass | 24 min |
| Jun 23, 10:41 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 34 min |
| Jun 23, 11:10 PM CDT | Severe Thunderstorm Warning | DLH | Saint Louis | 35 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 11.6 hours before the alert went out and 99 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
- 2973 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 851 m above ground
- 0-6 km bulk shear
- 68 kt
- 0-1 km storm-relative helicity
- 400 m²/s²
- 0-3 km storm-relative helicity
- 384 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 13.8
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 232338
SEL5
SPC WW 232338
MNZ000-WIZ000-LSZ000-240700-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 515
NWS STORM PREDICTION CENTER NORMAN OK
635 PM CDT THU JUN 23 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
NORTHERN MINNESOTA
FAR NORTHWEST WISCONSIN
LAKE SUPERIOR
EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 635 PM UNTIL
200 AM CDT.
TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE MILES
EAST AND WEST OF A LINE FROM 20 MILES NORTHEAST OF INTERNATIONAL
FALLS MINNESOTA TO 45 MILES SOUTHWEST OF DULUTH MINNESOTA. FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU5).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 513...WW 514...
DISCUSSION...SUPERCELL CLUSTERS IN NW MN SHOULD CONTINUE GENERALLY
EWD WITH ATTENDANT LARGE HAIL/HIGH WIND AND ISOLATED TORNADO THREAT.
SOME OF THE ACTIVITY HAS BECOME OUTFLOW DOMINANT. BUT OTHER
UPDRAFTS... ESPECIALLY THOSE CLOSER TO THE INTERNATIONAL BORDER
/WHERE DEEP SHEAR IS STRONGEST AND DEWPOINTS ARE HIGHEST/ REMAIN IN
CLOSE ENOUGH PROXIMITY TO OUTFLOW BOUNDARIES TO SUGGEST A CONTINUING
THREAT FOR TORNADOES.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550.
MEAN STORM MOTION VECTOR 27030.
...CORFIDI
484,0910 462,0905 462,0944 484,0950SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 23, 2:13 PM CDT | Mesoscale Discussion | SPC | Kittson, Marshall, Pennington, Polk, Roseau | 62 min |
| Jun 23, 2:25 PM CDT | Tornado Watch | SPC | Becker, Beltrami, Clay, Clearwater, Hubbard, Kittson and 7 more | 8 hr |
| Jun 23, 6:11 PM CDT | Mesoscale Discussion | SPC | Becker, Beltrami, Cass, Clay, Clearwater, Hubbard and 11 more | 64 min |
Nearby
Tornado Watches in Minnesota, 2005Tornado Watches in Wisconsin, 2005Every tornado watch in 2005
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.