Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 333, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Oct 14, 1998, 2:25 PM CDT for Brown County, Minnesota. It was in force for 25 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, 2:25 PM CDT (19:25 UTC)
- Expired
- Oct 14, 1998, 2:50 PM CDT
- In force
- 25 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 19:26 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, 2:30 PM CDT | Hail 0.88 | Comfrey, 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, 7.4 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.
000
TTAA00 KMSP 141925 RRA
SVRMSP
MNC015-141950-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
225 PM CDT WED OCT 14 1998
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
BROWN COUNTY IN SOUTH CENTRAL MINNESOTA
* UNTIL 250 PM CDT
* AT 225 PM CDT...DIME SIZE TO QUARTER SIZE HAIL IS POSSIBLE FROM A
STORM ABOUT 20 MILES NORTHWEST OF ST JAMbES...OR ABOUT 5 MILES
SOUTHWEST OF COMFREY. THE STORM WAS MOVING NORTHEAST AT 30 MPH.
* SOME LOCATIONS AFFECTED
COMFREY
RURAL AREAS NORTHEAST OF COMFREY
THIS IS A DANGEROUS STORM. STAY INDOORS AWAY FROM WINDOWS.
KRAUSEThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 14, 2:37 PM CDT | Severe Thunderstorm Warning | MPX | Martin | 28 min |
| Oct 14, 2:47 PM CDT | Severe Thunderstorm Warning | MPX | Brown | 33 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.