Alert archive / Minnesota / Severe Thunderstorm Warnings in 2020
Severe Thunderstorm Warning 15, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 4, 2020, 9:30 PM CDT for Yellow Medicine County, Minnesota. It was in force for 30 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jun 4, 2020, 9:30 PM CDT (02:30 UTC)
- Expired
- Jun 4, 2020, 10:00 PM CDT
- In force
- 30 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Yellow Medicine County, MN
The radar
The Sioux Falls radar (KFSD), 130 km from the middle of the area, began a volume at 02:31 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 4, 9:47 PM CDT | TSTM WND GST 51 | Canby, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 2.5 hours before the alert went out and 167 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
- 3 J/kg
- Mixed-layer CIN
- -171 J/kg
- Mixed-layer LCL
- 2565 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 70 m²/s²
- 0-3 km storm-relative helicity
- 212 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
017
WUUS53 KMPX 050230
SVRMPX
MNC173-050300-
/O.NEW.KMPX.SV.W.0015.200605T0230Z-200605T0300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
930 PM CDT Thu Jun 4 2020
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southwestern Yellow Medicine County in west central Minnesota...
* Until 1000 PM CDT.
* At 930 PM CDT, a severe thunderstorm was located near Canby, or 15
miles east of Clear Lake, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Canby, Porter and Burr.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4480 9645 4480 9640 4463 9602 4462 9603
4463 9645
TIME...MOT...LOC 0230Z 288DEG 36KT 4470 9637
HAIL...<.75IN
WIND...60MPH
$$
BPH2 follow-up statements
997
WWUS53 KMPX 050246
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
946 PM CDT Thu Jun 4 2020
MNC173-050300-
/O.CON.KMPX.SV.W.0015.000000T0000Z-200605T0300Z/
Yellow Medicine MN-
946 PM CDT Thu Jun 4 2020
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR SOUTHWESTERN YELLOW MEDICINE COUNTY...
At 945 PM CDT, a severe thunderstorm was located over Porter, or 24
miles northwest of Marshall, moving east at 40 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Canby, Porter and Burr.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4480 9645 4480 9640 4463 9602 4462 9603
4463 9645
TIME...MOT...LOC 0245Z 287DEG 35KT 4466 9619
HAIL...<.75IN
WIND...60MPH
$$
BPH143
WWUS53 KMPX 050257
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
957 PM CDT Thu Jun 4 2020
MNC173-050307-
/O.EXP.KMPX.SV.W.0015.000000T0000Z-200605T0300Z/
Yellow Medicine MN-
957 PM CDT Thu Jun 4 2020
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN YELLOW MEDICINE
COUNTY WILL EXPIRE AT 1000 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning will
be allowed to expire.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
The Twin Cities.
LAT...LON 4480 9645 4480 9640 4463 9602 4462 9603
4463 9645
TIME...MOT...LOC 0257Z 288DEG 36KT 4463 9605
$$
BPHThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 9:08 PM CDT | Special Weather Statement | MPX | Lac qui Parle | 37 min |
| Jun 4, 10:03 PM CDT | Special Weather Statement | MPX | Yellow Medicine | 42 min |
| Jun 4, 10:47 PM CDT | Special Weather Statement | MPX | Redwood | 43 min |
| Jun 4, 10:55 PM CDT | Special Weather Statement | MPX | Redwood | 35 min |
| Jun 5, 12:00 AM CDT | Severe Thunderstorm Warning | MPX | Martin | 30 min |
| Jun 5, 12:35 AM CDT | Special Weather Statement | MPX | Martin | 25 min |
| Jun 5, 12:39 AM CDT | Special Weather Statement | MPX | Dakota, Rice, Scott | 51 min |
| Jun 5, 1:20 AM CDT | Special Weather Statement | MPX | Goodhue | 40 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2020Every severe thunderstorm warning in 2020
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.