Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 84, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 30, 2018, 2:02 AM CDT for 4 counties in Minnesota. It was in force for 43 min. 1 report 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, 2:02 AM CDT (07:02 UTC)
- Expired
- Jun 30, 2018, 2:45 AM CDT
- In force
- 43 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Benton County, MN, Mille Lacs County, MN, Morrison County, MN, Stearns County, MN
The radar
The Minneapolis radar (KMPX), 130 km from the middle of the area, began a volume at 07:03 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, 2:13 AM CDT | TSTM WND GST 68 | Pierz, MN |
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, 7.0 hours before the alert went out and 129 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.
528
WUUS53 KMPX 300702
SVRMPX
MNC009-095-097-145-300745-
/O.NEW.KMPX.SV.W.0084.180630T0702Z-180630T0745Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
202 AM CDT SAT JUN 30 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Mille Lacs County in east central Minnesota...
Northern Benton County in central Minnesota...
North central Stearns County in central Minnesota...
Southeastern Morrison County in central Minnesota...
* Until 245 AM CDT.
* At 201 AM CDT, severe thunderstorms were located along a line
extending from near Erskin Lake to near Pierz to near St Wendel,
moving east at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated. At 155 AM, a 61 mph wind gust was
reported in Little Falls.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Mille Lacs Lake, Pierz, Royalton, Onamia, Isle, Wahkon, Lastrup,
Vineland, Rice, Granite Ledge, Morrill and Buckman.
This includes Grand Casino Mille Lacs.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4599 9343 4598 9345 4598 9352 4594 9352
4573 9390 4569 9445 4597 9426 4616 9407
4616 9381 4624 9381 4624 9343
TIME...MOT...LOC 0701Z 253DEG 40KT 4616 9386 4596 9406 4571 9440
HAIL...1.00IN
WIND...60MPH
$$2 follow-up statements
501
WWUS53 KMPX 300731
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
231 AM CDT SAT JUN 30 2018
MNC009-145-300740-
/O.CAN.KMPX.SV.W.0084.000000T0000Z-180630T0745Z/
Benton MN-Stearns MN-
231 AM CDT SAT JUN 30 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN BENTON AND NORTH
CENTRAL STEARNS COUNTIES IS CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
central and east central Minnesota.
LAT...LON 4624 9343 4599 9343 4598 9352 4594 9352
4581 9376 4582 9377 4582 9403 4596 9402
4615 9395 4616 9381 4624 9381
TIME...MOT...LOC 0730Z 253DEG 40KT 4625 9342 4605 9362 4580 9396
$$
MNC095-097-300745-
/O.CON.KMPX.SV.W.0084.000000T0000Z-180630T0745Z/
Mille Lacs MN-Morrison MN-
231 AM CDT SAT JUN 30 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 AM CDT
FOR MILLE LACS AND SOUTHEASTERN MORRISON COUNTIES...
At 230 AM CDT, severe thunderstorms were located along a line
extending from 6 miles west of Mcgrath to near Onamia to near
Morrill, moving east at 45 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Mille Lacs Lake, Onamia, Isle, Wahkon, Vineland, Morrill, Hillman,
Lake Mille Lacs and Bayview.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4624 9343 4599 9343 4598 9352 4594 9352
4581 9376 4582 9377 4582 9403 4596 9402
4615 9395 4616 9381 4624 9381
TIME...MOT...LOC 0730Z 253DEG 40KT 4625 9342 4605 9362 4580 9396
HAIL...0.75IN
WIND...60MPH
$$263
WWUS53 KMPX 300742
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
242 AM CDT SAT JUN 30 2018
MNC095-097-300751-
/O.EXP.KMPX.SV.W.0084.000000T0000Z-180630T0745Z/
Mille Lacs MN-Morrison MN-
242 AM CDT SAT JUN 30 2018
...THE SEVERE THUNDERSTORM WARNING FOR MILLE LACS AND SOUTHEASTERN
MORRISON COUNTIES WILL EXPIRE AT 245 AM CDT...
The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 700 AM CDT for
central and east central Minnesota.
Remember, a Severe Thunderstorm Warning still remains in effect for
central Mille Lacs county until 3 am.
LAT...LON 4624 9343 4599 9343 4598 9352 4594 9352
4581 9376 4582 9377 4582 9403 4596 9402
4615 9395 4616 9381 4624 9381
TIME...MOT...LOC 0741Z 253DEG 40KT 4628 9327 4608 9347 4583 9381
$$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, 1:06 AM CDT | Severe Thunderstorm Warning | MPX | Morrison | 39 min |
| Jun 30, 1:29 AM CDT | Severe Thunderstorm Warning | MPX | Morrison, Stearns, Todd | 46 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.