Alert archive / Wisconsin / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 244, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 27, 1998, 12:17 AM CDT for Pierce County, Wisconsin. It was in force for 58 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
- Jun 27, 1998, 12:17 AM CDT (05:17 UTC)
- Expired
- Jun 27, 1998, 1:15 AM CDT
- In force
- 58 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Pierce County, WI
The radar
The Minneapolis radar (KMPX), 91 km from the middle of the area, began a volume at 05:02 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.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 26, 8:30 PM CDT | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 5.3 hours before the alert went out and 94 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
- 1872 J/kg
- Mixed-layer CIN
- -138 J/kg
- Mixed-layer LCL
- 810 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 311 m²/s²
- 0-3 km storm-relative helicity
- 469 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 26.1
The text
As transmitted, in the capitals the NWS used until 2016.
682
WUUS1 KMSP 270516 RRA
SVRMSP
MNC049-079-131-WIC093-270615-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1217 AM CDT SAT JUN 27 1998
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
GOODHUE COUNTY IN SOUTHEASTERN MINNESOTA
LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA
RICE COUNTY IN EAST CENTRAL MINNESOTA
PIERCE COUNTY IN WEST CENTRAL WISCONSIN
* UNTIL 115 AM CDT
* AT 1214 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE STORMS
FROM 25 MILES NORTHEAST OF ST PAUL...TO COTTAGE GROVE... TO 20
MILES NORTHEAST OF MANKATO. THE STORMS WERE MOVING EAST AT 35
MPH.
* SOME LOCATIONS AFFECTED
RIVER FALLS
ELLSWORTH
RED WING
NORTHFIELD
FARIBAULT
LE CENTER
THESE ARE DANGEROUS STORMS. STAY INDOORS AWAY FROM WINDOWS.
A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES.
TDKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 8:25 PM CDT | Severe Thunderstorm Warning | MPX | Saint Croix | 50 min |
| Jun 26, 9:22 PM CDT | Flash Flood Warning | MPX | Pierce, Saint Croix | 3 hr |
| Jun 26, 10:28 PM CDT | Flash Flood Warning | MPX | Pepin | 2 hr |
| Jun 26, 11:53 PM CDT | Severe Thunderstorm Warning | MPX | Polk, Saint Croix | 67 min |
| Jun 27, 12:34 AM CDT | Severe Thunderstorm Warning | MPX | Dunn, Pepin | 56 min |
| Jun 27, 12:44 AM CDT | Flash Flood Warning | MPX | Pepin, Pierce | 2 hr |
| Jun 27, 12:44 AM CDT | Flash Flood Warning | MPX | Saint Croix | 2 hr |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 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; radar from the NEXRAD Level II archive.