Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 218, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 6, 2012, 6:52 PM CDT for Carver County, Scott County, Sibley County, Minnesota. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2012, 6:52 PM CDT (23:52 UTC)
- Expired
- Jul 6, 2012, 7:15 PM CDT
- In force
- 23 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Carver County, MN, Scott County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 40 km from the middle of the area, began a volume at 23:52 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.
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 6, 6:39 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 11.9 hours before the alert went out and 37 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
- 2912 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 925 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 120 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
786
WUUS53 KMPX 062352
SVRMPX
MNC019-139-143-070015-
/O.NEW.KMPX.SV.W.0218.120706T2352Z-120707T0015Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
652 PM CDT FRI JUL 6 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN CARVER COUNTY IN EAST CENTRAL MINNESOTA...
SOUTHWESTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
NORTHEASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
* UNTIL 715 PM CDT
* AT 647 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60 MPH. THIS
STORM WAS LOCATED NEAR ARLINGTON...OR ABOUT 9 MILES NORTHEAST OF
GAYLORD...AND MOVING EAST AT 25 MPH.
LOCATIONS IN THE WARNING INCLUDE...
ARLINGTON...
GREEN ISLE...
HAMBURG...
NORWOOD/YOUNG AMERICA...
BELLE PLAINE...
COLOGNE...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4459 9417 4470 9415 4472 9407 4472 9402
4475 9401 4484 9376 4454 9373
TIME...MOT...LOC 2352Z 262DEG 23KT 4466 9406
WIND...HAIL 60MPH 1.00IN
$$
JRB2 follow-up statements
758 WWUS53 KMPX 070007 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 707 PM CDT FRI JUL 6 2012 MNC019-139-143-070015- /O.CON.KMPX.SV.W.0218.000000T0000Z-120707T0015Z/ CARVER MN-SCOTT MN-SIBLEY MN- 707 PM CDT FRI JUL 6 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN SIBLEY...SOUTHWESTERN SCOTT AND SOUTH CENTRAL CARVER COUNTIES UNTIL 715 PM CDT... AT 701 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS OF 60 MPH. THIS STORM WAS LOCATED NEAR GREEN ISLE...OR 12 MILES NORTHEAST OF GAYLORD...MOVING EAST AT 25 MPH. LOCATIONS IMPACTED INCLUDE... BELLE PLAINE. GREEN ISLE. ARLINGTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. && LAT...LON 4458 9412 4471 9406 4471 9375 4454 9373 TIME...MOT...LOC 0006Z 278DEG 23KT 4463 9396 WIND...HAIL 60MPH 1.00IN $$ JRB
380 WWUS53 KMPX 070018 SVSMPX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 718 PM CDT FRI JUL 6 2012 MNC019-139-143-070032- /O.EXP.KMPX.SV.W.0218.000000T0000Z-120707T0015Z/ CARVER MN-SCOTT MN-SIBLEY MN- 718 PM CDT FRI JUL 6 2012 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SIBLEY... SOUTHWESTERN SCOTT AND SOUTH CENTRAL CARVER COUNTIES HAS EXPIRED... THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR PROPERTY. ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 2 AM CDT. LAT...LON 4458 9412 4471 9406 4471 9375 4454 9373 TIME...MOT...LOC 0007Z 278DEG 23KT 4462 9395 $$ JRB
The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 6:23 PM CDT | Special Weather Statement | MPX | Ramsey, Washington | 52 min |
| Jul 6, 6:41 PM CDT | Special Weather Statement | MPX | Carver | 34 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.