Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 102, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 6, 2017, 1:28 AM CDT for Kanabec County, Minnesota. It was in force for 32 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
- Jul 6, 2017, 1:28 AM CDT (06:28 UTC)
- Expired
- Jul 6, 2017, 2:00 AM CDT
- In force
- 32 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County Kanabec County, MN
The radar
The Duluth radar (KDLH), 111 km from the middle of the area, began a volume at 06:31 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.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 6.5 hours before the alert went out and 142 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
- 2692 J/kg
- Mixed-layer CIN
- -41 J/kg
- Mixed-layer LCL
- 1493 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 63 m²/s²
- 0-3 km storm-relative helicity
- 136 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 4.7
The text
As transmitted.
464
WUUS53 KMPX 060628
SVRMPX
MNC065-060700-
/O.NEW.KMPX.SV.W.0102.170706T0628Z-170706T0700Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
128 AM CDT THU JUL 6 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Kanabec County in east central Minnesota...
* Until 200 AM CDT
* At 128 AM CDT, a severe thunderstorm was located near Warman, or 16
miles northwest of Hinckley, moving southeast at 15 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* this severe thunderstorm will remain over mainly rural areas of
northeastern Kanabec County, including the following locations:
Warman.
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 this storm. 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.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4604 9306 4604 9331 4616 9338 4616 9306
TIME...MOT...LOC 0628Z 317DEG 13KT 4614 9324
HAIL...1.25IN
WIND...60MPH
$$
SPD1 follow-up statement
077
WWUS53 KMPX 060648
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
148 AM CDT THU JUL 6 2017
MNC065-060700-
/O.CON.KMPX.SV.W.0102.000000T0000Z-170706T0700Z/
Kanabec MN-
148 AM CDT THU JUL 6 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR NORTHEASTERN KANABEC COUNTY...
At 148 AM CDT, a severe thunderstorm was located near Warman, or 15
miles northwest of Hinckley, moving southeast at 10 mph.
HAZARD...Ping pong ball size hail and 60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...People and animals outdoors will be injured. Expect hail
damage to roofs, siding, windows, and vehicles. Expect wind
damage to roofs, siding, and trees.
Locations impacted include...
Warman.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Continuous cloud to ground lightning is occurring with this storm.
Move indoors immediately. Lightning is one of nature's leading
killers. Remember, if you can hear thunder, you are close enough to
be struck by lightning.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4604 9306 4604 9331 4616 9338 4616 9306
TIME...MOT...LOC 0648Z 327DEG 8KT 4612 9322
HAIL...1.50IN
WIND...60MPH
$$
SPDThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 1:59 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 31 min |
| Jul 6, 2:28 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 62 min |
| Jul 6, 2:43 AM CDT | Special Weather Statement | MPX | Douglas | 32 min |
| Jul 6, 3:20 AM CDT | Special Weather Statement | MPX | Kanabec | 3 hr |
| Jul 6, 3:27 AM CDT | Flash Flood Warning | MPX | Kanabec | 3 hr |
| Jul 6, 3:38 AM CDT | Special Weather Statement | MPX | Todd | 67 min |
| Jul 6, 3:48 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 57 min |
| Jul 6, 4:26 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec | 11 min |
| Jul 6, 4:34 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Isanti, Kanabec, Mille Lacs, Morrison | 26 min |
| Jul 6, 4:47 AM CDT | Special Weather Statement | MPX | Benton, Sherburne, Stearns | 28 min |
| Jul 6, 5:37 AM CDT | Severe Thunderstorm Warning | MPX | Chisago | 38 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 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.