Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 308, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 22, 1998, 9:27 PM CDT for Dakota County, Scott County, Minnesota. It was in force for 63 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, 9:27 PM CDT (02:27 UTC)
- Expired
- Aug 22, 1998, 10:30 PM CDT
- In force
- 63 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Dakota County, MN, Scott 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, 2.5 hours before the alert went out and 32 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.
366
WUUS1 KMSP 230229 RRA
SVRMSP
MNC037-139-230330-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
927 PM CDT SAT AUG 22 1998
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
DAKOTA COUNTY IN EAST CENTRAL MINNESOTA
EASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA
* UNTIL 1030 PM CDT
* AT 925 PM CDT...DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
HAIL AND DAMAGING WINDS NEAR SHAKOPEE AND SAVAGE...ABOUT 10 MILES
SOUTH OF MINNEAPOLIS. THE STORM WAS MOVING EAST SOUTHEAST AT 25
MPH.
* SOME LOCATIONS AFFECTED
SAVAGE
PRIOR LAKE
BURNSVILLE
ROSEMOUNT
LAKEVILLE
THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.
A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES.
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, 8:40 PM CDT | Tornado Warning | MPX | Dakota | 65 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, 9:51 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
Severe Thunderstorm Warnings in Minnesota, 1998Every severe thunderstorm warning 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.