Alert archive / Minnesota / Severe Thunderstorm Warnings in 2018
Severe Thunderstorm Warning 95, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 12, 2018, 5:27 PM CDT for Carver County, Hennepin County, Minnesota. It was in force for 33 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
- Jul 12, 2018, 5:27 PM CDT (22:27 UTC)
- Expired
- Jul 12, 2018, 6:00 PM CDT
- In force
- 33 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Carver County, MN, Hennepin County, MN
The radar
The Minneapolis radar (KMPX), 7 km from the middle of the area, began a volume at 22:30 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 |
|---|---|---|---|
| Jul 12, 5:35 PM CDT | TSTM WND DMG | 1 W Excelsior, MN | TREES DOWN. TIME ESTIMATED. |
| Jul 12, 5:56 PM CDT | TSTM WND DMG | Eden Prairie, MN | CORRECTS PREVIOUS TSTM WND DMG REPORT FROM EDEN PRAIRIE. TREES DOWN VIA SOCIAL MEDIA IMAGE. |
| Jul 12, 5:57 PM CDT | TSTM WND GST 59 | Eden Prairie Ap, MN | ASOS STATION FCM, EDEN PRAIRIE AP. |
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 |
|---|---|---|---|
| Jul 12, 5:04 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 10.5 hours before the alert went out and 9 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
- 745 J/kg
- Mixed-layer CIN
- -244 J/kg
- Mixed-layer LCL
- 1291 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 387 m²/s²
- 0-3 km storm-relative helicity
- 437 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 3.3
The text
As transmitted.
653
WUUS53 KMPX 122227
SVRMPX
MNC019-053-122300-
/O.NEW.KMPX.SV.W.0095.180712T2227Z-180712T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
527 PM CDT THU JUL 12 2018
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Southwestern Hennepin County in east central Minnesota...
Northeastern Carver County in east central Minnesota...
* Until 600 PM CDT.
* At 527 PM CDT, a severe thunderstorm was located over Mound, or 18
miles west of Minneapolis, moving east at 25 mph.
HAZARD...60 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Bloomington, Plymouth, Eden Prairie, Minnetonka, Edina, St. Louis
Park, Shakopee, Savage, Chaska, Chanhassen, Golden Valley and
Hopkins.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4481 9343 4489 9378 4501 9373 4501 9333
4479 9334 4478 9336
TIME...MOT...LOC 2227Z 273DEG 22KT 4492 9364
HAIL...0.75IN
WIND...60MPH
$$2 follow-up statements
881
WWUS53 KMPX 122231
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
531 PM CDT THU JUL 12 2018
MNC019-053-122300-
/O.CON.KMPX.SV.W.0095.000000T0000Z-180712T2300Z/
Hennepin MN-Carver MN-
531 PM CDT THU JUL 12 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHWESTERN HENNEPIN AND EAST CENTRAL CARVER COUNTIES...
At 530 PM CDT, a severe thunderstorm was located over Shorewood, or
17 miles west of Minneapolis, moving east at 25 mph.
HAZARD...70 mph wind gusts and penny size hail.
SOURCE...Radar indicated.
IMPACT...Expect considerable tree damage. Damage is likely to mobile
homes, roofs, and outbuildings.
Locations impacted include...
Bloomington, Plymouth, Eden Prairie, Minnetonka, Edina, St. Louis
Park, Shakopee, Savage, Chaska, Chanhassen, Golden Valley and
Hopkins.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4481 9343 4489 9376 4498 9372 4501 9333
4479 9334 4478 9336
TIME...MOT...LOC 2230Z 276DEG 20KT 4490 9362
HAIL...0.75IN
WIND...70MPH
$$445
WWUS53 KMPX 122238
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
538 PM CDT THU JUL 12 2018
MNC019-053-122300-
/O.CON.KMPX.SV.W.0095.000000T0000Z-180712T2300Z/
Hennepin MN-Carver MN-
538 PM CDT THU JUL 12 2018
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 600 PM CDT
FOR SOUTHWESTERN HENNEPIN AND EAST CENTRAL CARVER COUNTIES...
At 538 PM CDT, a severe thunderstorm was located over Greenwood, or
14 miles west of Minneapolis, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Bloomington, Plymouth, Eden Prairie, Minnetonka, Edina, St. Louis
Park, Shakopee, Savage, Chaska, Chanhassen, Golden Valley and
Hopkins.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4487 9370 4499 9357 4501 9333 4479 9334
4478 9336 4481 9343
TIME...MOT...LOC 2238Z 273DEG 22KT 4490 9355
HAIL...<.75IN
WIND...60MPH
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 4:37 AM CDT | Special Weather Statement | MPX | Kanabec | 113 min |
| Jul 12, 6:46 AM CDT | Special Weather Statement | MPX | Kanabec | 3 hr |
| Jul 12, 7:06 AM CDT | Flash Flood Warning | MPX | Kanabec, Mille Lacs | 3 hr |
| Jul 12, 10:26 AM CDT | Areal Flood Warning | MPX | Kanabec, Mille Lacs | 6 hr |
| Jul 12, 10:43 AM CDT | Special Weather Statement | MPX | Isanti, Sherburne | 32 min |
| Jul 12, 11:16 AM CDT | Special Weather Statement | MPX | Chisago | 29 min |
| Jul 12, 2:42 PM CDT | Flash Flood Watch | MPX | Blue Earth, Brown, Faribault, Martin, Nicollet, Redwood and 1 more | 16 hr |
| Jul 12, 4:38 PM CDT | Special Weather Statement | MPX | Anoka | 52 min |
| Jul 12, 4:43 PM CDT | Special Weather Statement | MPX | Hennepin | 47 min |
| Jul 12, 4:46 PM CDT | Special Weather Statement | MPX | Redwood | 74 min |
| Jul 12, 5:10 PM CDT | Special Weather Statement | MPX | Brown, Carver, Hennepin, McLeod, Ramsey, Sibley | 65 min |
| Jul 12, 5:18 PM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 27 min |
| Jul 12, 5:43 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Scott | 47 min |
| Jul 12, 5:54 PM CDT | Special Weather Statement | MPX | Ramsey | 51 min |
| Jul 12, 6:02 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin | 43 min |
| Jul 12, 6:14 PM CDT | Special Weather Statement | MPX | Brown | 46 min |
| Jul 12, 6:27 PM CDT | Special Weather Statement | MPX | Brown | 93 min |
| Jul 12, 6:40 PM CDT | Special Weather Statement | MPX | Dakota | 50 min |
| Jul 12, 6:47 PM CDT | Severe Thunderstorm Warning | MPX | Dakota | 31 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.