Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 211, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 4, 2012, 8:28 PM CDT for Kanabec County, Mille Lacs County, Minnesota. It was in force for 77 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 4, 2012, 8:28 PM CDT (01:28 UTC)
- Expired
- Jul 4, 2012, 9:45 PM CDT
- In force
- 77 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Kanabec County, MN, Mille Lacs County, MN
The radar
The Duluth radar (KDLH), 113 km from the middle of the area, began a volume at 01:29 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 nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 1.5 hours before the alert went out and 150 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
- 2542 J/kg
- Mixed-layer CIN
- -39 J/kg
- Mixed-layer LCL
- 1972 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 95 m²/s²
- 0-3 km storm-relative helicity
- 163 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.8
The text
As transmitted, in the capitals the NWS used until 2016.
200
WUUS53 KMPX 050128
SVRMPX
MNC065-095-050245-
/O.NEW.KMPX.SV.W.0211.120705T0128Z-120705T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
828 PM CDT WED JUL 4 2012
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
NORTHEASTERN KANABEC COUNTY IN EAST CENTRAL MINNESOTA...
NORTHEASTERN MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 945 PM CDT
* AT 825 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 60
MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 11 MILES
SOUTHWEST OF MOOSE LAKE TO 6 MILES NORTHEAST OF MCGRATH TO 7 MILES
SOUTHWEST OF MALMO...AND MOVING SOUTHEAST AT 20 MPH.
LOCATIONS IN THE WARNING INCLUDE...
ISLE...
WARMAN...
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.
SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.
&&
LAT...LON 4625 9342 4616 9342 4616 9306 4615 9304
4608 9304 4605 9338 4624 9364 4626 9359
4626 9344
TIME...MOT...LOC 0128Z 303DEG 18KT 4638 9295 4630 9317
4628 9362
WIND...HAIL 60MPH 1.00IN
$$
CLF1 follow-up statement
617
WWUS53 KMPX 050212
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
912 PM CDT WED JUL 4 2012
MNC095-050227-
/O.CAN.KMPX.SV.W.0211.000000T0000Z-120705T0245Z/
MILLE LACS MN-
912 PM CDT WED JUL 4 2012
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MILLE LACS COUNTY
IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE
WARNED AREA.
LAT...LON 4616 9328 4616 9306 4615 9304 4608 9304
4607 9320
TIME...MOT...LOC 0212Z 303DEG 18KT 4626 9268 4618 9290
4616 9335
$$
MNC065-050245-
/O.CON.KMPX.SV.W.0211.000000T0000Z-120705T0245Z/
KANABEC MN-
912 PM CDT WED JUL 4 2012
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
KANABEC COUNTY UNTIL 945 PM CDT...
AT 909 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND
DAMAGING WINDS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE
EXTENDING FROM BRUNO TO FINLAYSON TO ISLE...MOVING SOUTHEAST AT 20
MPH.
LOCATIONS IMPACTED INCLUDE...
MAINLY RURAL AREAS OF NORTHEASTERN KANABEC COUNTY.
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 4616 9328 4616 9306 4615 9304 4608 9304
4607 9320
TIME...MOT...LOC 0212Z 303DEG 18KT 4626 9268 4618 9290
4616 9335
WIND...HAIL 60MPH 1.00IN
$$
CLFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 8:13 PM CDT | Special Weather Statement | MPX | Kanabec | 62 min |
| Jul 4, 9:44 PM CDT | Tornado Warning | MPX | Morrison, Todd | 31 min |
| Jul 4, 10:15 PM CDT | Severe Thunderstorm Warning | MPX | Morrison | 15 min |
| Jul 4, 10:17 PM CDT | Special Weather Statement | MPX | Morrison | 28 min |
| Jul 4, 10:57 PM CDT | Special Weather Statement | MPX | Mille Lacs | 48 min |
| Jul 4, 11:46 PM CDT | Special Weather Statement | MPX | Mille Lacs | 29 min |
| Jul 5, 12:04 AM CDT | Severe Thunderstorm Warning | MPX | Kanabec, Mille Lacs | 41 min |
| Jul 5, 12:34 AM CDT | Severe Thunderstorm Warning | MPX | Chisago, Isanti, Kanabec, Mille Lacs | 41 min |
| Jul 5, 1:11 AM CDT | Severe Thunderstorm Warning | MPX | Chisago | 16 min |
| Jul 5, 3:25 AM CDT | Special Weather Statement | MPX | Watonwan | 50 min |
| Jul 5, 4:03 AM CDT | Special Weather Statement | MPX | Watonwan | 42 min |
| Jul 5, 5:07 AM CDT | Special Weather Statement | MPX | Wright | 38 min |
| Jul 5, 6:01 AM CDT | Special Weather Statement | MPX | Carver | 44 min |
| Jul 5, 6:30 AM CDT | Special Weather Statement | MPX | McLeod | 30 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.