Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 147, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 25, 2002, 7:49 PM CDT for Kanabec County, Washington County, Minnesota. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 25, 2002, 7:49 PM CDT (00:49 UTC)
- Expired
- Jun 25, 2002, 8:30 PM CDT
- In force
- 41 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
Counties Kanabec County, MN, Washington County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 25, 8:03 PM CDT | Thunderstorm Wind 52 E | Scandia, MN | Trees and power lines down. This was the last event in Minnesota associated with this supercell, but it did continue into west central Wisconsin, producing large hail and wind damage as far as 4 SE Deer Park (St. Croix County). This storm spawned one tornado a |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 25, 6:45 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.8 hours before the alert went out and 68 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
- 4448 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 57 m²/s²
- 0-3 km storm-relative helicity
- 116 m²/s²
- Significant tornado parameter
- 2.4
- Supercell composite
- 16.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KMPX 260049 SVRMSP MNC163-260130- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 749 PM CDT TUE JUN 25 2002 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA * UNTIL 830 PM CDT * AT 749 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH LARGE HAIL AND DAMAGING WINDS 8 MILES NORTHWEST OF MARINE ON ST CROIX... OR ABOUT 21 MILES NORTHWEST OF NEW RICHMOND...MOVING SOUTHEAST AT 35 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... MARINE ON ST CROIX. WESTON. SCANDIA. THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4524 9301 4503 9286 4522 9277 4529 9282
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 25, 7:20 PM CDT | Tornado Warning | MPX | Anoka, Isanti | 25 min |
| Jun 25, 7:27 PM CDT | Tornado Warning | MPX | Chisago | 33 min |
| Jun 25, 7:34 PM CDT | Tornado Warning | MPX | Lac qui Parle | 26 min |
| Jun 25, 7:59 PM CDT | Tornado Warning | MPX | Lac qui Parle, Yellow Medicine | 31 min |
| Jun 25, 8:05 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Isanti | 40 min |
| Jun 25, 8:32 PM CDT | Severe Thunderstorm Warning | MPX | Redwood, Yellow Medicine | 43 min |
| Jun 25, 11:44 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice | 36 min |
| Jun 26, 12:43 AM CDT | Severe Thunderstorm Warning | MPX | Waseca | 47 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2002Every severe thunderstorm warning in 2002
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.