Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 135, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 27, 2018, 5:02 PM CDT for 6 counties in Minnesota. It was in force for 58 min. 5 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
- Aug 27, 2018, 5:02 PM CDT (22:02 UTC)
- Expired
- Aug 27, 2018, 6:00 PM CDT
- In force
- 58 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Carver County, MN, Dakota County, MN, Hennepin County, MN, Ramsey County, MN, Scott County, MN, Washington County, MN
The radar
The Minneapolis radar (KMPX), 38 km from the middle of the area, began a volume at 22:01 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 |
|---|---|---|---|
| Aug 27, 5:10 PM CDT | TSTM WND DMG | Jordan, MN | POWERLINE DOWN. REPORT RELAYED VIA DISPATCH. TIME ESTIMATED FROM RADAR. |
| Aug 27, 5:40 PM CDT | TSTM WND DMG | Eagan, MN | NUMEROUS TREE BRANCHES DOWN. TIME ESTIMATED FROM RADAR. |
| Aug 27, 5:40 PM CDT | TSTM WND DMG | Inner Grove Heights, MN | SOCIAL MEDIA PICTURE OF TREE BRANCHES DOWN. TIME ESTIMATED FROM RADAR. |
| Aug 27, 5:50 PM CDT | TSTM WND DMG | Woodbury, MN | LARGE TREE LIMB SNAPPED. TIME ESTIMATED FROM RADAR. |
| Aug 27, 5:56 PM CDT | TSTM WND DMG | 2 Nw Lake Elmo, MN | A COUPLE OF LARGE TREES WERE DOWNED ON THE SOUTH END OF LAKE DE MONTREVILLE. |
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 |
|---|---|---|---|
| Aug 27, 2:57 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.0 hours before the alert went out and 41 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
- 1465 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 698 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 249 m²/s²
- Significant tornado parameter
- 0.8
- Supercell composite
- 4.7
The text
As transmitted.
348
WUUS53 KMPX 272202
SVRMPX
MNC019-037-053-123-139-163-272300-
/O.NEW.KMPX.SV.W.0135.180827T2202Z-180827T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
502 PM CDT MON AUG 27 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southern Hennepin County in east central Minnesota...
Dakota County in east central Minnesota...
Scott County in east central Minnesota...
Southeastern Carver County in east central Minnesota...
Southern Washington County in east central Minnesota...
Ramsey County in east central Minnesota...
* Until 600 PM CDT.
* At 500 PM CDT, severe thunderstorms were located along a line
extending from near Belle Plaine to Helena to near Bridgewater,
moving northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near...
Northfield and Elko New Market around 510 PM CDT.
Lakeville, Farmington and Carver around 520 PM CDT.
Burnsville, Apple Valley, Chaska and Prior Lake around 525 PM CDT.
Shakopee, Savage, Rosemount and Excelsior around 530 PM CDT.
Bloomington, Eagan and Eden Prairie around 535 PM CDT.
Minnetonka, Edina, St. Louis Park, Richfield and Cottage Grove
around 540 PM CDT.
St. Paul and Golden Valley around 545 PM CDT.
Minneapolis, Woodbury, Maplewood, Oakdale and Columbia Heights
around 550 PM CDT.
This warning also includes the Minnesota State Fair and Mystic Lake
Casino.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4454 9328 4466 9371 4464 9377 4468 9377
4468 9387 4505 9355 4504 9294 4493 9275
4477 9281 4470 9273 4463 9274 4463 9279
4454 9279 4454 9291 4451 9295 4452 9304
4447 9304 4447 9328
TIME...MOT...LOC 2200Z 224DEG 43KT 4458 9379 4458 9357 4443 9331
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFF4 follow-up statements
725
WWUS53 KMPX 272226
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
526 PM CDT MON AUG 27 2018
MNC019-272236-
/O.CAN.KMPX.SV.W.0135.000000T0000Z-180827T2300Z/
Carver MN-
526 PM CDT MON AUG 27 2018
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN CARVER COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
south central, southeastern and east central Minnesota...and west
central Wisconsin.
LAT...LON 4458 9327 4465 9355 4505 9344 4504 9294
4493 9275 4477 9281 4470 9273 4463 9274
4463 9279 4454 9279 4454 9291 4451 9295
4452 9304 4447 9304
TIME...MOT...LOC 2226Z 224DEG 43KT 4480 9350 4480 9328 4465 9302
$$
MNC037-053-123-139-163-272300-
/O.CON.KMPX.SV.W.0135.000000T0000Z-180827T2300Z/
Hennepin MN-Dakota MN-Scott MN-Washington MN-Ramsey MN-
526 PM CDT MON AUG 27 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHEASTERN HENNEPIN...DAKOTA...NORTHEASTERN SCOTT...SOUTHERN
WASHINGTON AND RAMSEY COUNTIES...
At 526 PM CDT, severe thunderstorms were located along a line
extending from near Shakopee to near Burnsville to near Hampton,
moving northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Rosemount around 530 PM CDT.
Eagan around 535 PM CDT.
Minnetonka, Edina, St. Louis Park, Richfield and Inver Grove
Heights around 540 PM CDT.
St. Paul, Cottage Grove, Golden Valley and South St. Paul around
545 PM CDT.
Minneapolis, Woodbury, Maplewood and Columbia Heights around 550
PM CDT.
Roseville, Oakdale, Fridley, White Bear Lake and New Brighton
around 555 PM CDT.
Shoreview, Vadnais Heights, Arden Hills and Lake Elmo around 600
PM CDT.
Other locations impacted by these severe thunderstorms include
Newport, Medicine Lake, Robbinsdale, Vermillion, Lake St Croix Beach,
North St. Paul, Lilydale, Flying Cloud Airport, Sunfish and St Paul
Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4458 9327 4465 9355 4505 9344 4504 9294
4493 9275 4477 9281 4470 9273 4463 9274
4463 9279 4454 9279 4454 9291 4451 9295
4452 9304 4447 9304
TIME...MOT...LOC 2226Z 224DEG 43KT 4480 9350 4480 9328 4465 9302
HAIL...<.75IN
WIND...60MPH
$$
JRB232
WWUS53 KMPX 272240
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
540 PM CDT MON AUG 27 2018
MNC139-272250-
/O.CAN.KMPX.SV.W.0135.000000T0000Z-180827T2300Z/
Scott MN-
540 PM CDT MON AUG 27 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SCOTT COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southeastern and east central Minnesota...and west central Wisconsin.
LAT...LON 4474 9320 4480 9336 4505 9344 4504 9294
4493 9275 4477 9281 4470 9273 4463 9274
4463 9279 4454 9279 4454 9291 4451 9295
4459 9304
TIME...MOT...LOC 2240Z 224DEG 43KT 4491 9335 4491 9313 4476 9287
$$
MNC037-053-123-163-272300-
/O.CON.KMPX.SV.W.0135.000000T0000Z-180827T2300Z/
Hennepin MN-Dakota MN-Washington MN-Ramsey MN-
540 PM CDT MON AUG 27 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHEASTERN HENNEPIN...DAKOTA...SOUTHERN WASHINGTON AND RAMSEY
COUNTIES...
At 540 PM CDT, severe thunderstorms were located along a line
extending from Edina to Lilydale to near Hastings, moving northeast
at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Cottage Grove, Hastings and Prescott around 545 PM CDT.
Woodbury and Maplewood around 550 PM CDT.
Roseville, Oakdale, Fridley, White Bear Lake and New Brighton
around 555 PM CDT.
Shoreview, Vadnais Heights, Arden Hills, Lake Elmo and Mahtomedi
around 600 PM CDT.
Other locations impacted by these severe thunderstorms include
Newport, Medicine Lake, Robbinsdale, Vermillion, Lake St Croix Beach,
North St. Paul, Lilydale, Sunfish, St Paul Airport and Sunfish Lake.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4474 9320 4480 9336 4505 9344 4504 9294
4493 9275 4477 9281 4470 9273 4463 9274
4463 9279 4454 9279 4454 9291 4451 9295
4459 9304
TIME...MOT...LOC 2240Z 224DEG 43KT 4491 9335 4491 9313 4476 9287
HAIL...<.75IN
WIND...60MPH
$$
JRB285
WWUS53 KMPX 272251
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
551 PM CDT MON AUG 27 2018
MNC037-053-123-163-272300-
/O.CON.KMPX.SV.W.0135.000000T0000Z-180827T2300Z/
Hennepin MN-Dakota MN-Washington MN-Ramsey MN-
551 PM CDT MON AUG 27 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR EAST CENTRAL HENNEPIN...NORTHEASTERN DAKOTA...SOUTHERN WASHINGTON
AND RAMSEY COUNTIES...
At 550 PM CDT, severe thunderstorms were located along a line
extending from Univ Of Mn Minneapolis Campus to Maplewood to
Kinnickinnic State Park, moving northeast at 50 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
White Bear Lake and Afton around 555 PM CDT.
Lake Elmo and Mahtomedi around 600 PM CDT.
Other locations impacted by these severe thunderstorms include
Newport, Robbinsdale, Lake St Croix Beach, North St. Paul, Lilydale,
Sunfish, St Paul Airport, Sunfish Lake, North Minneapolis and South
Maplewood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4478 9301 4491 9320 4505 9344 4504 9294
4493 9275 4477 9281 4470 9273 4463 9274
4463 9279 4454 9279
TIME...MOT...LOC 2250Z 224DEG 43KT 4499 9324 4499 9302 4484 9276
HAIL...<.75IN
WIND...60MPH
$$
JRB560
WWUS53 KMPX 272259
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
559 PM CDT MON AUG 27 2018
MNC037-053-123-163-272308-
/O.EXP.KMPX.SV.W.0135.000000T0000Z-180827T2300Z/
Hennepin MN-Dakota MN-Washington MN-Ramsey MN-
559 PM CDT MON AUG 27 2018
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL HENNEPIN...
NORTHEASTERN DAKOTA...SOUTHERN WASHINGTON AND RAMSEY COUNTIES WILL
EXPIRE AT 600 PM CDT...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning will be allowed to expire.
A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for
southeastern and east central Minnesota...and west central Wisconsin.
LAT...LON 4478 9301 4491 9320 4505 9344 4504 9294
4493 9275 4477 9281 4470 9273 4463 9274
4463 9279 4454 9279
TIME...MOT...LOC 2258Z 224DEG 43KT 4506 9314 4506 9292 4491 9266
$$
JRBThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 27, 1:01 AM CDT | Special Weather Statement | MPX | Dakota | 29 min |
| Aug 27, 1:53 AM CDT | Special Weather Statement | MPX | Goodhue | 67 min |
| Aug 27, 1:44 PM CDT | Special Weather Statement | MPX | Benton | 31 min |
| Aug 27, 2:03 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Isanti, Kanabec, Mille Lacs | 27 min |
| Aug 27, 3:17 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Martin, Watonwan | 58 min |
| Aug 27, 3:38 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stearns, Todd | 47 min |
| Aug 27, 3:52 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Nicollet, Waseca | 53 min |
| Aug 27, 4:14 PM CDT | Severe Thunderstorm Warning | MPX | Le Sueur, Nicollet, Rice, Scott, Sibley | 61 min |
| Aug 27, 4:17 PM CDT | Special Weather Statement | MPX | Morrison | 43 min |
| Aug 27, 4:35 PM CDT | Special Weather Statement | MPX | Benton, Sherburne | 70 min |
| Aug 27, 4:42 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn, Steele, Waseca | 48 min |
| Aug 27, 5:05 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue, Rice | 55 min |
| Aug 27, 5:07 PM CDT | Special Weather Statement | MPX | Kanabec, Mille Lacs | 38 min |
| Aug 27, 5:16 PM CDT | Tornado Warning | MPX | Goodhue, Rice | 44 min |
| Aug 27, 5:32 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Isanti, Ramsey, Sherburne, Wright | 43 min |
| Aug 27, 5:47 PM CDT | Severe Thunderstorm Warning | MPX | Goodhue | 58 min |
| Aug 27, 5:54 PM CDT | Special Weather Statement | MPX | Freeborn | 36 min |
| Aug 27, 6:03 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 57 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.