Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 82, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 30, 2018, 1:06 AM CDT for Morrison County, Minnesota. It was in force for 39 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
- Jun 30, 2018, 1:06 AM CDT (06:06 UTC)
- Expired
- Jun 30, 2018, 1:45 AM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
County Morrison County, MN
The radar
The Minneapolis radar (KMPX), 165 km from the middle of the area, began a volume at 06:07 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 30, 1:25 AM CDT | TSTM WND DMG | Swanville, MN | POWER LINE BLOWN DOWN. |
| Jun 30, 1:40 AM CDT | TSTM WND DMG | 3 Nnw Little Falls, MN | POWER LINE BLOWN DOWN. |
| Jun 30, 1:55 AM CDT | TSTM WND GST 61 | 2 Sse Little Falls, MN | MEASURED AT LITTLE FALLS AIRPORT. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jun 29, 11:56 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 6.1 hours before the alert went out and 164 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
- 3333 J/kg
- Mixed-layer CIN
- -83 J/kg
- Mixed-layer LCL
- 1867 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 142 m²/s²
- 0-3 km storm-relative helicity
- 233 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
647
WUUS53 KMPX 300606
SVRMPX
MNC097-300645-
/O.NEW.KMPX.SV.W.0082.180630T0606Z-180630T0645Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
106 AM CDT SAT JUN 30 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Western Morrison County in central Minnesota...
* Until 145 AM CDT.
* At 106 AM CDT, severe thunderstorms were located along a line
extending from near Motley to Randall to Burtrum, moving northeast
at 55 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Little Falls, Motley, Randall, Swanville, Flensburg, Camp Ripley,
Cushing, Sobieski, Harding, Camp Ripley Junction and Crow Wing
State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4631 9455 4631 9451 4633 9443 4630 9436
4627 9434 4623 9440 4618 9437 4616 9437
4616 9398 4599 9413 4583 9464 4635 9465
TIME...MOT...LOC 0606Z 242DEG 48KT 4632 9457 4610 9451 4587 9472
HAIL...0.75IN
WIND...60MPH
$$1 follow-up statement
420
WWUS53 KMPX 300633
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
133 AM CDT SAT JUN 30 2018
MNC097-300645-
/O.CON.KMPX.SV.W.0082.000000T0000Z-180630T0645Z/
Morrison MN-
133 AM CDT SAT JUN 30 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 145 AM CDT
FOR NORTHWESTERN MORRISON COUNTY...
At 132 AM CDT, severe thunderstorms were located along a line
extending from Merrifield to South Long Lake to near Camp Ripley
Junction, moving northeast at 55 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Little Falls, Randall, Flensburg, Camp Ripley, Harding, Camp Ripley
Junction and Crow Wing State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4633 9443 4630 9436 4627 9434 4623 9440
4618 9437 4616 9437 4616 9398 4599 9413
4593 9464 4613 9459
TIME...MOT...LOC 0632Z 242DEG 48KT 4648 9414 4626 9408 4603 9429
HAIL...0.75IN
WIND...60MPH
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 11:25 PM CDT | Special Weather Statement | MPX | Todd | 50 min |
| Jun 29, 11:58 PM CDT | Severe Thunderstorm Warning | MPX | Todd | 47 min |
| Jun 30, 12:05 AM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope | 55 min |
| Jun 30, 12:18 AM CDT | Severe Thunderstorm Warning | MPX | Todd | 42 min |
| Jun 30, 12:43 AM CDT | Severe Thunderstorm Warning | MPX | Stearns, Todd | 47 min |
| Jun 30, 1:00 AM CDT | Special Weather Statement | MPX | Morrison | 45 min |
| Jun 30, 1:29 AM CDT | Severe Thunderstorm Warning | MPX | Morrison, Stearns, Todd | 46 min |
| Jun 30, 2:02 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Morrison, Stearns | 43 min |
| Jun 30, 2:27 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 33 min |
| Jun 30, 2:51 AM CDT | Flash Flood Watch | MPX | Faribault, Freeborn, Martin | 18 hr |
| Jun 30, 2:54 AM CDT | Heat Advisory | MPX | Goodhue | 16 hr |
| Jun 30, 5:25 PM CDT | Special Weather Statement | MPX | Freeborn | 50 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.