Alert archive / Minnesota / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 72, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Aug 5, 2021, 7:53 PM CDT for 4 counties in Minnesota. It was in force for 41 min. 3 reports 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
- Aug 5, 2021, 7:53 PM CDT (00:53 UTC)
- Expired
- Aug 5, 2021, 8:34 PM CDT
- In force
- 41 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Damage threat
- Considerable
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Murray County, MN, Nobles County, MN, Pipestone County, MN, Rock County, MN
The radar
The Sioux Falls radar (KFSD), 65 km from the middle of the area, began a volume at 00:53 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 |
|---|---|---|---|
| Aug 5, 7:55 PM CDT | HAIL 1 | Edgerton, MN | VIA SOCIAL MEDIA. TIME ESTIMATED VIA RADAR. |
| Aug 5, 8:00 PM CDT | TSTM WND DMG | 6 Nne Kenneth, MN | STRONG WINDS IN AND AROUND LEOTA, MN. RESULTED IN A FEW LARGE TREES TOPPLED AND MULTIPLE LARGE LIMBS WERE BROKEN. |
| Aug 5, 8:37 PM CDT | TSTM WND DMG | 2 S Lismore, MN | STRONG THUNDERSTORM WINDS APPROXIMATELY 2 MILES SOUTH OF LISMORE MN RESULTED IN MULTIPLE FIELDS OF FLATTENED CORN. IN ADDITION, WIND DAMAGE WAS NOTED TO SURROUNDING BEAN FIELDS. REPORT ALSO INCLUDED HEAVY RAIN IN THE AREA WITH PEA TO DIME SIZED HAIL. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.9 hours before the alert went out and 222 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
- 2006 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1023 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 79 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
186
WUUS53 KFSD 060053
SVRFSD
MNC101-105-117-133-060145-
/O.NEW.KFSD.SV.W.0072.210806T0053Z-210806T0145Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
753 PM CDT Thu Aug 5 2021
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Northeastern Rock County in southwestern Minnesota...
Northwestern Nobles County in southwestern Minnesota...
Southwestern Murray County in southwestern Minnesota...
Southeastern Pipestone County in southwestern Minnesota...
* Until 845 PM CDT.
* At 753 PM CDT, severe thunderstorms were located along a line
extending from near Chandler to near Hardwick, moving southeast at
15 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near...
Leota around 800 PM CDT.
Other locations in the path of these severe thunderstorms include
Luverne, Wilmont and Lismore.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Large hail and damaging winds and continuous cloud to ground
lightning is occurring with these storms. Move indoors immediately.
Lightning is one of nature's leading killers. Remember, if you can
hear thunder, you are close enough to be struck by lightning.
&&
LAT...LON 4375 9573 4362 9626 4391 9625 4401 9592
TIME...MOT...LOC 0053Z 316DEG 15KT 4391 9592 4382 9621
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
SSC1 follow-up statement
017
WWUS53 KFSD 060134
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
834 PM CDT Thu Aug 5 2021
MNC101-105-117-133-060143-
/O.CAN.KFSD.SV.W.0072.000000T0000Z-210806T0145Z/
Rock MN-Nobles MN-Murray MN-Pipestone MN-
834 PM CDT Thu Aug 5 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN ROCK...
NORTHWESTERN NOBLES...SOUTHWESTERN MURRAY AND SOUTHEASTERN PIPESTONE
COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled. However small hail, gusty
winds and heavy rain are still possible with these thunderstorms.
Remember, a Severe Thunderstorm Warning still remains in effect for
portions of Nobles County until 9:15 PM.
LAT...LON 4375 9573 4362 9626 4391 9625 4401 9592
TIME...MOT...LOC 0132Z 316DEG 15KT 4379 9576 4370 9605
$$
SSCThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 5, 7:12 PM CDT | Severe Thunderstorm Warning | FSD | Murray, Pipestone | 48 min |
| Aug 5, 7:28 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Pipestone | 32 min |
| Aug 5, 8:24 PM CDT | Severe Thunderstorm Warning | FSD | Rock | 51 min |
| Aug 5, 8:32 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 43 min |
| Aug 5, 8:57 PM CDT | Severe Thunderstorm Warning | FSD | Rock | 48 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2021Every severe thunderstorm warning in 2021
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.