Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 335, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 14, 1998, 2:47 PM CDT for Brown County, Minnesota. It was in force for 33 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
- Oct 14, 1998, 2:47 PM CDT (19:47 UTC)
- Expired
- Oct 14, 1998, 3:20 PM CDT
- In force
- 33 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
County Brown County, MN
The radar
The Minneapolis radar (KMPX), 114 km from the middle of the area, began a volume at 19:46 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 |
|---|---|---|---|
| Oct 14, 3:06 PM CDT | Hail 0.75 | Sleepy Eye, 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 7.8 hours before the alert went out and 112 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
- 834 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
332
WUUS1 KMSP 141949 RRA
SVRMSP
MNC015-142020-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
247 PM CDT WED OCT 14 1998
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHERN BROWN COUNTY IN SOUTH CENTRAL MINNESOTA
* UNTIL 320 PM CDT
* AT 250 PM CDT...DOPPLER RADAR INDICATED A SEVERE STORM WITH LARGE
HAIL NEAR COBDEN AND EVAN...OR ABOUT 20 MILES WEST OF NEW ULM.
THE STORM WAS MOVING NORTHEAST AT 25 MPH.
* SOME LOCATIONS AFFECTED
COBDEN
EVAN
RURAL AREAS NORTH OF SLEEPY EYE
THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.
TDKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 14, 2:25 PM CDT | Severe Thunderstorm Warning | MPX | Brown | 25 min |
| Oct 14, 2:37 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 28 min |
| Oct 14, 3:03 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Renville, Sibley | 32 min |
| Oct 14, 3:09 PM CDT | Severe Thunderstorm Warning | MPX | McLeod | 41 min |
| Oct 14, 3:16 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 49 min |
| Oct 14, 3:34 PM CDT | Severe Thunderstorm Warning | MPX | Renville, Sibley | 41 min |
| Oct 14, 3:53 PM CDT | Severe Thunderstorm Warning | MPX | McLeod | 37 min |
| Oct 14, 6:24 PM CDT | Severe Thunderstorm Warning | MPX | Watonwan | 61 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.