Alert archive / Minnesota / Tornado Warnings in 1998
Tornado Warning 58, NWS Twin Cities, MN
NWS Twin Cities, MN issued this tornado warning at Aug 22, 1998, 8:40 PM CDT for Dakota County, Minnesota. It was in force for 65 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 22, 1998, 8:40 PM CDT (01:40 UTC)
- Expired
- Aug 22, 1998, 9:45 PM CDT
- In force
- 65 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Dakota County, MN
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 22, 7:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.7 hours before the alert went out and 47 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
- 2973 J/kg
- Mixed-layer CIN
- -7 J/kg
- Mixed-layer LCL
- 823 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 255 m²/s²
- 0-3 km storm-relative helicity
- 351 m²/s²
- Significant tornado parameter
- 4.3
- Supercell composite
- 21.4
The text
As transmitted, in the capitals the NWS used until 2016.
085
WFUS1 KMSP 230142 RRA
TORMSP
MNC037-230245-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
840 PM CDT SAT AUG 22 1998
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A
* TORNADO WARNING FOR...
DAKOTA COUNTY IN EAST CENTRAL MINNESOTA
* UNTIL 945 PM CDT
* AT AT 839 PM CDT...DOPPLER RADAR DETECTED A POSSIBLE TORNADO NEAR
LAKEVILLE...ABOUT 40 MILES SOUTH OF ST PAUL. THE STORM WAS
MOVING EAST AT 25 MPH.
* SOME LOCATIONS AFFECTED
LAKEVILLE
FARMINGTON
HAMPTON
CASTLE ROCK
GO TO THE BASEMENT OR A SMALL INTERIOR ROOM ON THE LOWEST FLOOR
DWEThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 22, 7:30 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin | 65 min |
| Aug 22, 7:57 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Scott | 63 min |
| Aug 22, 8:10 PM CDT | Tornado Warning | MPX | Dakota, Scott | 30 min |
| Aug 22, 8:35 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Ramsey, Washington | 45 min |
| Aug 22, 8:35 PM CDT | Severe Thunderstorm Warning | MPX | Carver | 45 min |
| Aug 22, 9:14 PM CDT | Flash Flood Warning | MPX | Carver, Dakota, Hennepin, Scott | 2 hr |
| Aug 22, 9:19 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 51 min |
| Aug 22, 9:27 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Scott | 63 min |
| Aug 22, 9:51 PM CDT | Flash Flood Warning | MPX | Scott | 69 min |
| Aug 23, 3:15 AM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 45 min |
| Aug 23, 3:33 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Swift | 42 min |
| Aug 23, 4:07 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi | 58 min |
| Aug 23, 4:10 AM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 35 min |
| Aug 23, 4:14 AM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Swift | 16 min |
| Aug 23, 4:40 AM CDT | Severe Thunderstorm Warning | MPX | Meeker | 60 min |
| Aug 23, 5:02 AM CDT | Severe Thunderstorm Warning | MPX | Wright | 43 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; the sounding from the Mesonet's radiosonde archive.