Alert archive / Minnesota / Tornado Warnings in 1998
Tornado Warning 2, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Mar 29, 1998, 3:00 PM CST for Freeborn County, Minnesota. It was in force for 35 min. 2 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, 3:00 PM CST (21:00 UTC)
- Expired
- Mar 29, 1998, 3:35 PM CST
- In force
- 35 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Freeborn County, MN
The radar
The Minneapolis radar (KMPX), 132 km from the middle of the area, began a volume at 21:00 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, 3:10 PM CST | Hail 0.88 | Hartland, MN | |
| Mar 29, 3:35 PM CST | Hail 1.75 | Albert Lea, 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, 9.0 hours before the alert went out and 132 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.
407
WFUS1 KMSP 292103 RRA
TORMSP
MNC047-292135-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
300 PM CST SUN MAR 29 1998
* TORNADO WARNING FOR
NORTHWESTERN FREEBORN COUNTY - SOUTH CENTRAL MINNESOTA
* UNTIL 335 PM CST
* SOME LOCATIONS AFFECTED
FREEBORN
HARTLAND
MANCHESTER
* AT 300 PM CST DOPPLER RADAR DETECTED A POSSIBLE TORNADO 5 MILES
SOUTHWEST OF MANCHESTER...OR ABOUT 10 MILES NORTHWEST OF ALBERT
LEA. THE STORM WAS MOVING NORTH-NORTHEAST AT 30 MPH.
GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
MILLERThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 29, 2:27 PM CST | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 48 min |
| Mar 29, 2:43 PM CST | Severe Thunderstorm Warning | MPX | McLeod, Meeker, Wright | 47 min |
| Mar 29, 2:47 PM CST | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 48 min |
| Mar 29, 2:52 PM CST | Severe Thunderstorm Warning | MPX | Carver | 48 min |
| Mar 29, 2:52 PM CST | Tornado Warning | MPX | Scott | 38 min |
| Mar 29, 3:07 PM CST | Severe Thunderstorm Warning | MPX | Wright | 33 min |
| Mar 29, 3:12 PM CST | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Ramsey | 63 min |
| Mar 29, 3:12 PM CST | Severe Thunderstorm Warning | MPX | Anoka | 63 min |
| Mar 29, 3:18 PM CST | Severe Thunderstorm Warning | MPX | Anoka, Sherburne | 42 min |
| Mar 29, 3:23 PM CST | Severe Thunderstorm Warning | MPX | Freeborn, Steele | 37 min |
| Mar 29, 3:32 PM CST | Severe Thunderstorm Warning | MPX | Dakota, Washington | 63 min |
| Mar 29, 3:32 PM CST | Severe Thunderstorm Warning | MPX | Goodhue | 63 min |
| Mar 29, 3:39 PM CST | Severe Thunderstorm Warning | MPX | Carver, Sibley | 36 min |
| Mar 29, 3:43 PM CST | Severe Thunderstorm Warning | MPX | Chisago, Isanti | 47 min |
| Mar 29, 4:21 PM CST | Tornado Warning | MPX | Brown, Watonwan | 64 min |
| Mar 29, 4:28 PM CST | Severe Thunderstorm Warning | MPX | Scott | 47 min |
| Mar 29, 4:56 PM CST | Tornado Warning | MPX | Blue Earth, Nicollet | 59 min |
| Mar 29, 5:23 PM CST | Tornado Warning | MPX | Le Sueur | 52 min |
| Mar 29, 5:47 PM CST | Tornado Warning | MPX | Blue Earth, Nicollet | 48 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.