Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 2, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Apr 13, 2018, 8:20 AM CDT for 4 counties in Minnesota. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Apr 13, 2018, 8:20 AM CDT (13:20 UTC)
- Expired
- Apr 13, 2018, 9:00 AM CDT
- In force
- 40 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 70.0 mph
Counties Cottonwood County, MN, Jackson County, MN, Murray County, MN, Nobles County, MN
The radar
The Sioux Falls radar (KFSD), 117 km from the middle of the area, began a volume at 13:22 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 1.3 hours before the alert went out and 173 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
- 723 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- -62 m²/s²
- 0-3 km storm-relative helicity
- 33 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
399
WUUS53 KFSD 131320
SVRFSD
MNC033-063-101-105-131400-
/O.NEW.KFSD.SV.W.0002.180413T1320Z-180413T1400Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Sioux Falls SD
820 AM CDT FRI APR 13 2018
The National Weather Service in Sioux Falls has issued a
* Severe Thunderstorm Warning for...
Jackson County in southwestern Minnesota...
Eastern Nobles County in southwestern Minnesota...
Cottonwood County in southwestern Minnesota...
Eastern Murray County in southwestern Minnesota...
* Until 900 AM CDT
* At 818 AM CDT, severe thunderstorms were located along a line
extending from near Lake Shetek State Park to near Fulda to near
Worthington, moving east at 25 mph.
HAZARD...70 mph wind gusts.
SOURCE...Radar indicated. At 8 AM CDT 70 mph winds were reported 2
miles east of Wilmont
IMPACT...Expect considerable tree damage. Damage is likely to
mobile homes, roofs, and outbuildings.
* Severe thunderstorms will be near,
Brewster around 830 AM CDT.
Heron Lake around 840 AM CDT.
Windom, Lakefield and Bingham Lake around 900 AM CDT.
Other locations impacted by these severe thunderstorms include Delft,
Alpha, Kinbrae, Wilder, Dundee, Okabena and Avoca.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay
away from windows!
&&
LAT...LON 4352 9560 4381 9557 4418 9575 4420 9561
4419 9511 4411 9510 4411 9486 4360 9486
TIME...MOT...LOC 1318Z 259DEG 24KT 4416 9569 4382 9553 4358 9555
HAIL...<.75IN
WIND...70MPH
$$
Hanko1 follow-up statement
090
WWUS53 KFSD 131331
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
831 AM CDT FRI APR 13 2018
MNC105-131339-
/O.CAN.KFSD.SV.W.0002.000000T0000Z-180413T1400Z/
Nobles MN-
831 AM CDT FRI APR 13 2018
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN NOBLES COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
LAT...LON 4358 9542 4387 9543 4419 9566 4420 9561
4419 9511 4411 9510 4411 9486 4369 9486
TIME...MOT...LOC 1329Z 252DEG 43KT 4418 9555 4391 9526 4369 9527
$$
MNC033-063-101-131400-
/O.CON.KFSD.SV.W.0002.000000T0000Z-180413T1400Z/
Jackson MN-Cottonwood MN-Murray MN-
831 AM CDT FRI APR 13 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 900 AM CDT
FOR NORTHERN JACKSON...COTTONWOOD AND NORTHEASTERN MURRAY COUNTIES...
At 829 AM CDT, severe thunderstorms were located along a line
extending from near Walnut Grove to 7 miles west of Windom to near
Lakefield, moving east at 50 mph.
HAZARD...70 mph wind gusts.
SOURCE...Law enforcement.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
These severe storms will be near...
Windom and Lakefield around 835 AM CDT.
Bingham Lake and Kilen Woods State Park around 845 AM CDT.
Mountain Lake and Bergen around 850 AM CDT.
Comfrey around 855 AM CDT.
Other locations impacted by these severe thunderstorms include Delft,
Wilder and Okabena.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
This is a DANGEROUS SITUATION. These storms are producing widespread
wind damage. SEEK SHELTER NOW inside a sturdy structure and stay
away from windows.
&&
LAT...LON 4358 9542 4387 9543 4419 9566 4420 9561
4419 9511 4411 9510 4411 9486 4369 9486
TIME...MOT...LOC 1329Z 252DEG 43KT 4418 9555 4391 9526 4369 9527
HAIL...<.75IN
WIND...70MPH
$$
HankoThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 13, 12:39 PM CDT | Severe Thunderstorm Warning | FSD | Lincoln, Lyon | 36 min |
| Apr 13, 6:19 PM CDT | Severe Thunderstorm Warning | FSD | Nobles | 26 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2018Every severe thunderstorm warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.