Alert archive / Minnesota / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 112, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 1998, 8:39 PM CDT for Lac qui Parle County, Yellow Medicine County, Minnesota. It was in force for 51 min. 2 reports 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
- May 30, 1998, 8:39 PM CDT (01:39 UTC)
- Expired
- May 30, 1998, 9:30 PM CDT
- In force
- 51 min
- Issued by
- NWS Twin Cities, MN
- Area
- Whole counties
Counties Lac qui Parle County, MN, Yellow Medicine County, MN
The radar
The Sioux Falls radar (KFSD), 152 km from the middle of the area, began a volume at 01:38 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 |
|---|---|---|---|
| May 30, 9:15 PM CDT | Thunderstorm Wind 65 | Canby, MN | Trees and powerlines blown down. Barns destroyed. Minor damage to high school. Grain bin also blown down in Porter. Estimated windspeed. |
| May 30, 9:15 PM CDT | Hail 0.75 | Granite Falls, 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 watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| May 30, 4:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 1.7 hours before the alert went out and 188 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
- 1585 J/kg
- Mixed-layer CIN
- -49 J/kg
- Mixed-layer LCL
- 1033 m above ground
- 0-6 km bulk shear
- 59 kt
- 0-1 km storm-relative helicity
- 67 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 1.4
- Supercell composite
- 7.1
The text
As transmitted, in the capitals the NWS used until 2016.
147
WUUS1 KMSP 310142
SVRMSP
MNC073-173-310230-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING...CORRECTED WORDING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
839 PM CDT SAT MAY 30 1998
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES/CHANHASSEN HAS
ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA
YELLOW MEDICINE COUNTY IN SOUTHWESTERN MINNESOTA
* UNTIL 930 PM CDT
* AT 836 PM CDT...DOPPLER RADAR INDICATED ONE SEVERE STORM 10
MILES WEST OF CANBY...AND MORE SEVERE STORMS WERE INTENSIFYING
OVER SOUTHERN LAC QUI PARLE COUNTY. THE STORMS WERE MOVING EAST-
SOUTHEAST AT 35 MPH.
* SOME LOCATIONS AFFECTED
DAWSON
BOYD
BURR
CANBY
HAZEL RUN
GRANITE FALLS
THE SEVERE THUNDERSTORM WARNING FOR EASTERN YELLOW MEDICINE COUNTY
HAS BEEN EXTENDED UNTIL 930 PM.
THIS IS A DANGEROUS STORM...WITH LARGE HAIL LIKELY. STAY INDOORS
AWAY FROM WINDOWS.
A TORNADO WATCH IS IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES.
JMPThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 30, 7:05 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Swift | 55 min |
| May 30, 7:18 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa | 57 min |
| May 30, 7:30 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 45 min |
| May 30, 7:34 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 56 min |
| May 30, 7:45 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti | 45 min |
| May 30, 7:58 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker | 62 min |
| May 30, 8:12 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Yellow Medicine | 48 min |
| May 30, 8:16 PM CDT | Severe Thunderstorm Warning | MPX | Stearns | 44 min |
| May 30, 8:26 PM CDT | Severe Thunderstorm Warning | MPX | Chisago | 64 min |
| May 30, 8:46 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison | 44 min |
| May 30, 8:59 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Meeker, Renville, Stearns | 61 min |
| May 30, 8:59 PM CDT | Severe Thunderstorm Warning | MPX | Redwood | 61 min |
| May 30, 9:26 PM CDT | Severe Thunderstorm Warning | MPX | Yellow Medicine | 34 min |
| May 30, 9:31 PM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 59 min |
| May 30, 9:47 PM CDT | Severe Thunderstorm Warning | MPX | McLeod, Wright | 58 min |
| May 30, 9:47 PM CDT | Severe Thunderstorm Warning | MPX | Nicollet, Sibley | 58 min |
| May 30, 9:54 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Isanti | 61 min |
| May 30, 10:23 PM CDT | Severe Thunderstorm Warning | MPX | Carver | 37 min |
| May 30, 10:31 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin | 44 min |
| May 30, 10:34 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Scott | 51 min |
| May 30, 10:39 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Ramsey, Washington | 46 min |
| May 30, 10:54 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 46 min |
| May 30, 11:05 PM CDT | Severe Thunderstorm Warning | MPX | Rice, Steele, Waseca | 40 min |
| May 30, 11:05 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 40 min |
| May 30, 11:29 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 31 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.