Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 177, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 20, 1998, 12:00 PM CDT for Faribault County, Minnesota. It was in force for 65 min. 1 report 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
- Jun 20, 1998, 12:00 PM CDT (17:00 UTC)
- Expired
- Jun 20, 1998, 1:05 PM CDT
- In force
- 65 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Faribault County, MN
The radar
The Minneapolis radar (KMPX), 134 km from the middle of the area, began a volume at 17:00 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 |
|---|---|---|---|
| Jun 20, 12:14 PM CDT | Thunderstorm Wind 50 | Wells, MN | Large tree limbs blown down. Estimated windspeed. |
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 |
|---|---|---|---|
| Jun 20, 9:15 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 5.0 hours before the alert went out and 134 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
- 18 J/kg
- Mixed-layer CIN
- -384 J/kg
- Mixed-layer LCL
- 2049 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 416 m²/s²
- 0-3 km storm-relative helicity
- 589 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.1
The text
As transmitted, in the capitals the NWS used until 2016.
694
WUUS1 KMSP 201702 RRA
SVRMSP
MNC043-201805-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1200 PM CDT SAT JUN 20 1998
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
FARIBAULT COUNTY IN SOUTH CENTRAL MINNESOTA
* UNTIL 105 PM CDT
* AT 1200 PM CDT...DOPPLER RADAR INDICATED A SEVERE STORM NEAR BLUE
EARTH...20 MILE SOUTH OF MANKATO. THE STORM WAS MOVING EAST AT 25
MPH.
* SOME LOCATIONS AFFECTED
DELEVAN
EASTON
BLUE EARTH
WELLS
THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.
REMEMBER...SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE
ADVANCE WARNING.
DWEThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 20, 8:34 AM CDT | Severe Thunderstorm Warning | MPX | Martin | 61 min |
| Jun 20, 8:40 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Watonwan | 65 min |
| Jun 20, 9:14 AM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 61 min |
| Jun 20, 9:31 AM CDT | Severe Thunderstorm Warning | MPX | Martin | 64 min |
| Jun 20, 9:35 AM CDT | Severe Thunderstorm Warning | MPX | Scott | 40 min |
| Jun 20, 9:54 AM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 36 min |
| Jun 20, 10:25 AM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 35 min |
| Jun 20, 11:19 AM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin | 46 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.