Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 11, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 24, 2018, 7:43 PM CDT for Dakota County, Washington County, Minnesota; Pierce County, Saint Croix County, Wisconsin. It was in force for 47 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
- May 24, 2018, 7:43 PM CDT (00:43 UTC)
- Expired
- May 24, 2018, 8:30 PM CDT
- In force
- 47 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dakota County, MN, Washington County, MN, Pierce County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 62 km from the middle of the area, began a volume at 00:44 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 |
|---|---|---|---|
| May 24, 8:00 PM CDT | TSTM WND DMG | Mahtomedi, MN | TREES AND POWER LINES DOWN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 0.7 hours before the alert went out and 65 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
- 553 J/kg
- Mixed-layer CIN
- -43 J/kg
- Mixed-layer LCL
- 1989 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 90 m²/s²
- 0-3 km storm-relative helicity
- 140 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.4
The text
As transmitted.
181
WUUS53 KMPX 250043
SVRMPX
MNC037-163-WIC093-109-250130-
/O.NEW.KMPX.SV.W.0011.180525T0043Z-180525T0130Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
743 PM CDT THU MAY 24 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northeastern Dakota County in east central Minnesota...
Washington County in east central Minnesota...
Northwestern Pierce County in west central Wisconsin...
Western St. Croix County in west central Wisconsin...
* Until 830 PM CDT
* At 742 PM CDT, severe thunderstorms were located along a line
extending from Circle Pines to Newport to near Coates, moving east
at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near,
Woodbury and Cottage Grove around 750 PM CDT.
Oakdale, Mahtomedi and Afton around 755 PM CDT.
Hastings around 800 PM CDT.
Hudson, Lake Elmo, Prescott and North Hudson around 805 PM CDT.
Stillwater and Bayport around 810 PM CDT.
River Falls, Somerset and Roberts around 820 PM CDT.
Other locations impacted by these severe thunderstorms include
Newport, Grant, Afton State Park, Lake St Croix Beach, Willernie,
Lakeland Shores, Boardman, St Paul Park, Willow River State Park and
St Marys Point.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4469 9270 4471 9273 4469 9274 4472 9304
4489 9302 4489 9299 4512 9298 4515 9259
4489 9248 4468 9254
TIME...MOT...LOC 0042Z 266DEG 31KT 4513 9312 4487 9302 4467 9308
HAIL...0.75IN
WIND...60MPH
$$1 follow-up statement
797
WWUS53 KMPX 250117
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
817 PM CDT THU MAY 24 2018
MNC037-250127-
/O.CAN.KMPX.SV.W.0011.000000T0000Z-180525T0130Z/
Dakota MN-
817 PM CDT THU MAY 24 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN DAKOTA COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4469 9270 4473 9276 4475 9282 4475 9284
4488 9289 4513 9291 4513 9282 4515 9259
4489 9248 4468 9254
TIME...MOT...LOC 0117Z 266DEG 31KT 4515 9271 4489 9261 4469 9267
$$
MNC163-WIC093-109-250130-
/O.CON.KMPX.SV.W.0011.000000T0000Z-180525T0130Z/
Washington MN-Pierce WI-St. Croix WI-
817 PM CDT THU MAY 24 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 830 PM CDT
FOR SOUTHEASTERN WASHINGTON...NORTHWESTERN PIERCE AND WESTERN ST.
CROIX COUNTIES...
At 817 PM CDT, severe thunderstorms were located along a line
extending from near Somerset to near River Falls to near Diamond
Bluff, moving east at 35 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Trained weather spotters.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
River Falls around 820 PM CDT.
Roberts around 825 PM CDT.
Other locations impacted by these severe thunderstorms include Afton
State Park, Lake St Croix Beach, Lakeland Shores, Boardman, Willow
River State Park, St Marys Point, Burkhardt, Kinnickinnic State Park,
Oak Park Heights and Lakeland.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4469 9270 4473 9276 4475 9282 4475 9284
4488 9289 4513 9291 4513 9282 4515 9259
4489 9248 4468 9254
TIME...MOT...LOC 0117Z 266DEG 31KT 4515 9271 4489 9261 4469 9267
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 |
|---|---|---|---|---|
| May 24, 7:06 PM CDT | Special Weather Statement | MPX | Pope | 39 min |
| May 24, 7:10 PM CDT | Severe Thunderstorm Warning | MPX | Anoka, Dakota, Hennepin, Ramsey, Scott | 50 min |
| May 24, 7:27 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stevens | 33 min |
| May 24, 7:48 PM CDT | Severe Thunderstorm Warning | MPX | Rice | 42 min |
| May 24, 8:31 PM CDT | Special Weather Statement | MPX | Goodhue | 29 min |
| May 24, 8:33 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stearns, Todd | 33 min |
| May 24, 9:03 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue | 28 min |
| May 25, 1:15 AM CDT | Special Weather Statement | MPX | Sibley | 30 min |
| May 25, 2:06 AM CDT | Special Weather Statement | MPX | Hennepin | 24 min |
| May 25, 2:13 AM CDT | Special Weather Statement | MPX | Sibley | 32 min |
| May 25, 7:07 AM CDT | Special Weather Statement | MPX | Goodhue | 23 min |
| May 25, 1:53 PM CDT | Severe Thunderstorm Warning | MPX | Pope | 37 min |
| May 25, 2:55 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 50 min |
| May 25, 3:12 PM CDT | Severe Thunderstorm Warning | MPX | Freeborn | 48 min |
| May 25, 3:33 PM CDT | Special Weather Statement | MPX | Steele | 42 min |
| May 25, 3:38 PM CDT | Special Weather Statement | MPX | Freeborn | 37 min |
| May 25, 3:47 PM CDT | Special Weather Statement | MPX | Lac qui Parle | 28 min |
| May 25, 4:03 PM CDT | Special Weather Statement | MPX | Freeborn | 42 min |
| May 25, 4:09 PM CDT | Special Weather Statement | MPX | Freeborn | 36 min |
| May 25, 4:24 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn | 36 min |
| May 25, 4:32 PM CDT | Severe Thunderstorm Warning | MPX | Hennepin, Wright | 43 min |
| May 25, 5:03 PM CDT | Severe Thunderstorm Warning | MPX | Washington | 57 min |
| May 25, 5:17 PM CDT | Special Weather Statement | MPX | Ramsey, Washington | 43 min |
| May 25, 5:35 PM CDT | Special Weather Statement | MPX | Scott | 25 min |
| May 24, 8:23 PM CDT | Special Weather Statement | MPX | Pierce, Saint Croix | 37 min |
| May 25, 7:55 AM CDT | Special Weather Statement | MPX | Eau Claire | 50 min |
| May 25, 10:00 AM CDT | Special Weather Statement | MPX | Eau Claire | 60 min |
| May 25, 10:58 AM CDT | Special Weather Statement | MPX | Eau Claire | 62 min |
| May 25, 3:33 PM CDT | Severe Thunderstorm Warning | MPX | Eau Claire | 24 min |
| May 25, 3:45 PM CDT | Special Weather Statement | MPX | Polk | 45 min |
| May 25, 4:46 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn | 44 min |
| May 25, 4:49 PM CDT | Special Weather Statement | MPX | Chippewa | 26 min |
| May 25, 5:04 PM CDT | Special Weather Statement | MPX | Saint Croix | 26 min |
| May 25, 6:01 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Dunn, Polk, Saint Croix | 44 min |
| May 25, 6:42 PM CDT | Severe Thunderstorm Warning | MPX | Barron, Chippewa, Dunn | 37 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2018Severe Thunderstorm Warnings in Wisconsin, 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.