Alert archive / Minnesota / Severe Thunderstorm Warnings in 2002
Severe Thunderstorm Warning 63, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at May 8, 2002, 11:15 AM CDT for Lincoln County, Lyon County, Pipestone County, Minnesota. It was in force for 45 min. 5 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
- May 8, 2002, 11:15 AM CDT (16:15 UTC)
- Expired
- May 8, 2002, 12:00 PM CDT
- In force
- 45 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Counties, with a storm outline in the text
Counties Lincoln County, MN, Lyon County, MN, Pipestone County, MN
The radar
The Sioux Falls radar (KFSD), 82 km from the middle of the area, began a volume at 16:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 8, 11:15 AM CDT | Hail 0.75 | Holland, MN | |
| May 8, 11:25 AM CDT | Hail 0.75 | Tyler, MN | |
| May 8, 11:26 AM CDT | Hail 1 | Holland, MN | |
| May 8, 11:26 AM CDT | Hail 0.75 | Ruthton, MN | |
| May 8, 11:42 AM CDT | Hail 0.75 | Russell, 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
Aberdeen, SD (KABR), launched 12:00Z, 4.3 hours before the alert went out and 188 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
- 2 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 435 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 336 m²/s²
- 0-3 km storm-relative helicity
- 378 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KFSD 081615 SVRFSD MNC081-083-117-081700- BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 1113 AM CDT WED MAY 8 2002 THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN LINCOLN COUNTY IN SOUTHWEST MINNESOTA SOUTHWEST LYON COUNTY IN SOUTHWEST MINNESOTA NORTHERN PIPESTONE COUNTY IN SOUTHWEST MINNESOTA * UNTIL NOON CDT * AT 1113 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 12 MILES SOUTHWEST OF RUTHTON...OR ABOUT 4 MILES NORTH OF PIPESTONE...MOVING NORTHEAST AT 20 MPH. PIPESTONE COUNTY EMERGENCY MANAGEMENT OFFICE REPORTED DIME SIZE HAIL IN THE TOWN OF PIPESTONE AT 1110 AM CDT. * THE SEVERE THUNDERSTORM WILL BE NEAR... LAKE BENTON AROUND 1135 AM CDT RUTHTON AROUND 1140 AM CDT TYLER AROUND 1150 AM CDT RUSSELL AROUND NOON CDT LAT...LON 4406 9643 4407 9618 4448 9579 4449 9630
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 8, 11:14 AM CDT | Flash Flood Warning | FSD | Lincoln, Lyon | 4 hr |
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; radar from the NEXRAD Level II archive.