Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 159, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 26, 2002, 12:43 AM CDT for Waseca County, Minnesota. It was in force for 47 min. 3 reports 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 26, 2002, 12:43 AM CDT (05:43 UTC)
- Expired
- Jun 26, 2002, 1:30 AM CDT
- In force
- 47 min
- Issued by
- NWS Twin Cities, MN
- Area
- Counties, with a storm outline in the text
County Waseca County, MN
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 26, 12:45 AM CDT | Thunderstorm Wind 50 E | Janesville, MN | Trees down. |
| Jun 26, 12:45 AM CDT | Hail 0.75 | Janesville, MN | |
| Jun 26, 12:58 AM CDT | Thunderstorm Wind 50 M | Waseca Muni Arpt, MN |
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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 5.7 hours before the alert went out and 85 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 260543 SVRMSP MNC161-260630- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 1242 AM CDT WED JUN 26 2002 THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... WASECA COUNTY IN SOUTH CENTRAL MINNESOTA * UNTIL 130 AM CDT * AT 1242 AM CDT...SEVERE WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM NEAR JANESVILLE...OR ABOUT 10 MILES WEST OF WASECA... MOVING SOUTHEAST AT 25 MPH. THIS STORM HAS PRODUED THREE QUARTER INCH HAIL. * SOME LOCATIONS AFFECTED BY THIS STORM INCLUDE... JANESVILLE. WASECA. THIS IS A DANGEROUS STORM...STAY INDOORS AWAY FROM WINDOWS. SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE WARNING. LAT...LON 4418 9372 4405 9375 4390 9348 4413 9343 &
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, 7:49 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Washington | 41 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 |
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.