Alert archive / Minnesota / Tornado Warnings in 1998
Tornado Warning 1, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this tornado warning at Mar 29, 1998, 3:09 PM CST for Murray County, Nobles County, Rock County, Minnesota. It was in force for 51 min. 9 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 29, 1998, 3:09 PM CST (21:09 UTC)
- Expired
- Mar 29, 1998, 4:00 PM CST
- In force
- 51 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Whole counties
Counties Murray County, MN, Nobles County, MN, Rock County, MN
The radar
The Sioux Falls radar (KFSD), 69 km from the middle of the area, began a volume at 21:08 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 |
|---|---|---|---|
| Mar 29, 3:23 PM CST | Tornado F2 | Lismore, MN | |
| Mar 29, 3:25 PM CST | Tornado F0 | Leota, MN | |
| Mar 29, 3:28 PM CST | Tornado F0 | Wilmont, MN | |
| Mar 29, 3:33 PM CST | Hail 1 | Chandler, MN | |
| Mar 29, 3:35 PM CST | Tornado F2 | St Killian, MN | |
| Mar 29, 3:45 PM CST | Tornado F1 | St Killian, MN | |
| Mar 29, 3:45 PM CST | Hail 3 | Avoca, MN | |
| Mar 29, 3:50 PM CST | Tornado F1 | Avoca, MN | |
| Mar 29, 3:55 PM CST | Tornado F1 | Fulda, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Mar 29, 2:00 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 9.2 hours before the alert went out and 219 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
- 551 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 160 m²/s²
- 0-3 km storm-relative helicity
- 251 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
439 WFUS1 KFSD 292110 RRA TORFSD MNC101-105-133-292200- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE SIOUX FALLS SD 309 PM CST SUN MAR 29 1998 * TORNADO WARNING FOR SOUTHERN MURRAY COUNTY IN SOUTHWESTERN MINNESOTA NORTHWESTERN NOBLES COUNTY IN SOUTHWESTERN MINNESOTA NORTHEASTERN ROCK COUNTY IN SOUTHWESTERN MINNESOTA * UNTIL 400 PM CST * SOME AREAS AFFECTED CHANDLER AROUND 320 PM CST HADLEY AROUND 330 PM CST SLAYTON AROUND 335 PM CST AVOCA AROUND 340 PM CST CURRIE AROUND 350 PM CST * AT 308 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A DEVELOPING TORNADO 17 MILES SOUTHEAST OF PIPESTONE OR 4 MILES WEST OF LEOTA MOVING NORTHEAST AT 35 MPH. THIS REPLACES THE SEVERE THUNDERSTORM WARNING IN EFFECT FOR ROCK COUNTY. IF YOU ARE IN THE PATH OF A TORNADO...THE SAFEST PLACE IN A HOME OR BUSINESS IS AN INTERIOR ROOM ON THE LOWEST FLOOR POSSIBLE. AVOID WINDOWS. JCB
The office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 4:44 AM CST | Severe Thunderstorm Warning | FSD | Lincoln | 31 min |
| Mar 29, 2:52 PM CST | Severe Thunderstorm Warning | FSD | Rock | 33 min |
| Mar 29, 3:50 PM CST | Tornado Warning | FSD | Cottonwood, Murray | 50 min |
| Mar 29, 4:48 PM CST | Severe Thunderstorm Warning | FSD | Cottonwood | 32 min |
Nearby
Tornado Warnings in Minnesota, 1998Every tornado warning in 1998Tornadoes in 1998
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.