Alert archive / Wisconsin / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 22, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2018, 5:03 PM CDT for Polk County, Saint Croix County, Wisconsin; Washington County, Minnesota. It was in force for 57 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 25, 2018, 5:03 PM CDT (22:03 UTC)
- Expired
- May 25, 2018, 6:00 PM CDT
- In force
- 57 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Washington County, MN, Polk County, WI, Saint Croix County, WI
The radar
The Minneapolis radar (KMPX), 79 km from the middle of the area, began a volume at 22:04 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 25, 6:05 PM CDT | TSTM WND DMG | Star Prairie, WI | FEW TREES AND A POWER LINE DOWN. |
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 |
|---|---|---|---|
| May 25, 2:02 PM CDT | Severe Thunderstorm Watch | SPC | 8 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.1 hours before the alert went out and 81 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
- 543 J/kg
- Mixed-layer CIN
- -136 J/kg
- Mixed-layer LCL
- 1022 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 245 m²/s²
- 0-3 km storm-relative helicity
- 234 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.1
The text
As transmitted.
438
WUUS53 KMPX 252203
SVRMPX
MNC163-WIC095-109-252300-
/O.NEW.KMPX.SV.W.0022.180525T2203Z-180525T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
503 PM CDT FRI MAY 25 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Northern Washington County in east central Minnesota...
Northwestern St. Croix County in west central Wisconsin...
South central Polk County in northwestern Wisconsin...
* Until 600 PM CDT
* At 503 PM CDT, a severe thunderstorm was located near Scandia, or
24 miles northeast of St. Paul, moving east at 20 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* This severe thunderstorm will be near,
Scandia around 515 PM CDT.
Somerset around 535 PM CDT.
New Richmond around 550 PM CDT.
Star Prairie around 555 PM CDT.
Other locations impacted by this severe thunderstorm include
Otisville, Marine On St Croix, Huntington, East Farmington, New
Richmond Airport and William OBrien State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4510 9253 4522 9300 4530 9296 4530 9247
TIME...MOT...LOC 2203Z 283DEG 19KT 4525 9288
HAIL...1.00IN
WIND...60MPH
$$
BORGHOFF3 follow-up statements
958
WWUS53 KMPX 252218
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
518 PM CDT FRI MAY 25 2018
MNC163-WIC095-109-252300-
/O.CON.KMPX.SV.W.0022.000000T0000Z-180525T2300Z/
Washington MN-St. Croix WI-Polk WI-
518 PM CDT FRI MAY 25 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHERN WASHINGTON...NORTHWESTERN ST. CROIX AND SOUTH CENTRAL
POLK COUNTIES...
At 518 PM CDT, a severe thunderstorm was located over Scandia, or 24
miles northeast of St. Paul, moving east at 15 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
This severe storm will be near...
New Richmond, Somerset and Star Prairie around 600 PM CDT.
Other locations impacted by this severe thunderstorm include
Otisville, Marine On St Croix, Huntington, East Farmington, New
Richmond Airport and William OBrien State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4510 9253 4522 9300 4530 9296 4530 9247
TIME...MOT...LOC 2218Z 284DEG 12KT 4524 9284
HAIL...1.00IN
WIND...60MPH
$$
BORGHOFF728 WWUS53 KMPX 252236 SVSMPX Severe Weather Statement National Weather Service Twin Cities/Chanhassen MN 536 PM CDT FRI MAY 25 2018 MNC163-WIC095-109-252300- /O.CON.KMPX.SV.W.0022.000000T0000Z-180525T2300Z/ Washington MN-St. Croix WI-Polk WI- 536 PM CDT FRI MAY 25 2018 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT FOR NORTHERN WASHINGTON...NORTHWESTERN ST. CROIX AND SOUTH CENTRAL POLK COUNTIES... At 536 PM CDT, a severe thunderstorm was located over Otisville, or 26 miles north of River Falls, moving east at 15 mph. HAZARD...Quarter size hail. SOURCE...Radar indicated. IMPACT...Damage to vehicles is expected. This severe storm will be near... Somerset around 550 PM CDT. New Richmond and Star Prairie around 600 PM CDT. Other locations impacted by this severe thunderstorm include Otisville, Marine On St Croix, Huntington, East Farmington, New Richmond Airport and William OBrien State Park. PRECAUTIONARY/PREPAREDNESS ACTIONS... Torrential rainfall is occurring with this storm, and may lead to flash flooding. Do not drive your vehicle through flooded roadways. && LAT...LON 4510 9253 4522 9300 4530 9296 4530 9247 TIME...MOT...LOC 2236Z 276DEG 13KT 4523 9274 HAIL...1.00IN WIND...<50MPH $$ BORGHOFF
545
WWUS53 KMPX 252249
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
549 PM CDT FRI MAY 25 2018
MNC163-252258-
/O.CAN.KMPX.SV.W.0022.000000T0000Z-180525T2300Z/
Washington MN-
549 PM CDT FRI MAY 25 2018
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WASHINGTON COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
LAT...LON 4510 9253 4516 9276 4517 9275 4520 9277
4521 9275 4529 9276 4530 9274 4530 9247
TIME...MOT...LOC 2248Z 276DEG 13KT 4523 9268
$$
WIC095-109-252300-
/O.CON.KMPX.SV.W.0022.000000T0000Z-180525T2300Z/
St. Croix WI-Polk WI-
549 PM CDT FRI MAY 25 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR NORTHWESTERN ST. CROIX AND SOUTH CENTRAL POLK COUNTIES...
At 548 PM CDT, a severe thunderstorm was located over East
Farmington, or 25 miles north of River Falls, moving east at 15 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
This severe storm will be near...
New Richmond and Star Prairie around 615 PM CDT.
Other locations impacted by this severe thunderstorm include
Huntington, East Farmington and New Richmond Airport.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4510 9253 4516 9276 4517 9275 4520 9277
4521 9275 4529 9276 4530 9274 4530 9247
TIME...MOT...LOC 2248Z 276DEG 13KT 4523 9268
HAIL...<.75IN
WIND...60MPH
$$
BORGHOFFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 24, 7:43 PM CDT | Severe Thunderstorm Warning | MPX | Pierce, Saint Croix | 47 min |
| May 24, 8:23 PM CDT | Special Weather Statement | MPX | Pierce, Saint Croix | 37 min |
| May 24, 9:03 PM CDT | Severe Thunderstorm Warning | MPX | Pierce | 28 min |
| May 25, 7:07 AM CDT | Special Weather Statement | MPX | Pepin | 23 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 |
| 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 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, 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, 5:17 PM CDT | Special Weather Statement | MPX | Ramsey, Washington | 43 min |
| May 25, 5:35 PM CDT | Special Weather Statement | MPX | Scott | 25 min |
Nearby
Severe Thunderstorm Warnings in Wisconsin, 2018Severe 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.