Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 262, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 3, 2002, 9:21 PM CDT for Goodhue County, Minnesota. It was in force for 39 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 3, 2002, 9:21 PM CDT (02:21 UTC)
- Expired
- Aug 3, 2002, 10:00 PM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Goodhue County, MN
The radar
The Minneapolis radar (KMPX), 77 km from the middle of the area, began a volume at 02:24 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Aug 3, 5:55 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Aug 3, 6:45 PM CDT | Tornado Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 2.4 hours before the alert went out and 79 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
- 777 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -89 m²/s²
- 0-3 km storm-relative helicity
- 509 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.6
The text
As transmitted, in the capitals the NWS used until 2016.
209 WUUS53 KMPX 040221 SVRMSP MNC049-040300- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 919 PM CDT SAT AUG 3 2002 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... GOODHUE COUNTY IN SOUTHEAST MINNESOTA * UNTIL 1000 PM CDT * AT 919 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM WITH DAMAGING WINDS FROM 5 MILES EAST OF NORTHFIELD TO 9 MILES WEST OF KENYON...MOVING EAST AT 45 MPH. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... CANNON FALLS. GOODHUE. KENYON. WANAMINGO. ZUMBROTA. A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA. REMEMBER... SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4450 9300 4421 9302 4422 9257 4457 9254
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 7:24 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Rice, Scott | 36 min |
| Aug 3, 7:26 PM CDT | Flash Flood Warning | MPX | Carver, Dakota, Scott | 4 hr |
| Aug 3, 7:49 PM CDT | Flash Flood Warning | MPX | Sibley | 3 hr |
| Aug 3, 7:53 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Brown, Nicollet, Sibley, Watonwan | 52 min |
| Aug 3, 8:18 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Scott | 42 min |
| Aug 3, 8:50 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Rice, Steele, Waseca | 55 min |
| Aug 3, 9:05 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 40 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.