Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 41, NWS Sioux Falls, SD
NWS Sioux Falls, SD issued this severe thunderstorm warning at Jun 12, 2017, 10:28 AM CDT for Nobles County, Rock County, Minnesota; Lyon County, Iowa. It was in force for 47 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
- Jun 12, 2017, 10:28 AM CDT (15:28 UTC)
- Expired
- Jun 12, 2017, 11:15 AM CDT
- In force
- 47 min
- Issued by
- NWS Sioux Falls, SD
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 50.0 mph
Counties Lyon County, IA, Nobles County, MN, Rock County, MN
The radar
The Sioux Falls radar (KFSD), 56 km from the middle of the area, began a volume at 15:28 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
Aberdeen, SD (KABR), launched 12:00Z, 3.5 hours before the alert went out and 239 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
- 2987 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
738 WUUS53 KFSD 121528 SVRFSD IAC119-MNC105-133-121615- /O.NEW.KFSD.SV.W.0041.170612T1528Z-170612T1615Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Sioux Falls SD 1028 AM CDT MON JUN 12 2017 The National Weather Service in Sioux Falls has issued a * Severe Thunderstorm Warning for... Northeastern Lyon County in northwestern Iowa... Eastern Rock County in southwestern Minnesota... Western Nobles County in southwestern Minnesota... * Until 1115 AM CDT * At 1028 AM CDT, a severe thunderstorm was located near Ellsworth, or 7 miles north of Rock Rapids, moving northeast at 20 mph. HAZARD...Half dollar size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. * This severe thunderstorm will be near, Adrian around 1100 AM CDT. Lismore around 1115 AM CDT. Other locations impacted by this severe thunderstorm include Magnolia and Kenneth. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. && LAT...LON 4342 9603 4350 9626 4384 9610 4373 9576 TIME...MOT...LOC 1528Z 205DEG 17KT 4353 9611 HAIL...1.25IN WIND...<50MPH $$ BT
1 follow-up statement
122
WWUS53 KFSD 121610
SVSFSD
Severe Weather Statement
National Weather Service Sioux Falls SD
1110 AM CDT MON JUN 12 2017
IAC119-MNC105-133-121620-
/O.EXP.KFSD.SV.W.0041.000000T0000Z-170612T1615Z/
Lyon IA-Rock MN-Nobles MN-
1110 AM CDT MON JUN 12 2017
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN LYON...EASTERN
ROCK AND WESTERN NOBLES COUNTIES WILL EXPIRE AT 1115 AM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore the warning will be allowed to expire. However small hail
and heavy rain are still possible with this thunderstorm.
LAT...LON 4342 9603 4350 9626 4384 9610 4373 9576
TIME...MOT...LOC 1610Z 205DEG 17KT 4371 9600
$$
SchumacherThe office that day
Everything else NWS Sioux Falls, SD issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 12, 10:38 AM CDT | Severe Thunderstorm Warning | FSD | Pipestone, Rock | 37 min |
| Jun 12, 11:09 AM CDT | Severe Thunderstorm Warning | FSD | Rock | 36 min |
| Jun 12, 12:08 PM CDT | Severe Thunderstorm Warning | FSD | Sioux | 38 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2017Severe Thunderstorm Warnings in Iowa, 2017Every severe thunderstorm warning in 2017
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.