Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 160, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 19, 2011, 9:30 AM CDT for Kanabec County, Mille Lacs County, Morrison County, Minnesota. It was in force for 42 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 19, 2011, 9:30 AM CDT (14:30 UTC)
- Expired
- Jul 19, 2011, 10:12 AM CDT
- In force
- 42 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 65.0 mph
Counties Kanabec County, MN, Mille Lacs County, MN, Morrison County, MN
The radar
The Duluth radar (KDLH), 123 km from the middle of the area, began a volume at 14:31 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 19, 9:07 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 2.5 hours before the alert went out and 131 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
- 5144 J/kg
- Mixed-layer CIN
- -30 J/kg
- Mixed-layer LCL
- 830 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 109 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
918
WUUS53 KMPX 191430
SVRMPX
MNC065-095-097-191530-
/O.NEW.KMPX.SV.W.0160.110719T1430Z-110719T1530Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
930 AM CDT TUE JUL 19 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
KANABEC COUNTY IN EAST CENTRAL MINNESOTA...
NORTHERN MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA...
SOUTHEASTERN MORRISON COUNTY IN CENTRAL MINNESOTA...
* UNTIL 1030 AM CDT
* AT 927 AM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 65 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
MCGRATH TO 6 MILES NORTH OF MILACA...AND MOVING SOUTHEAST AT 25
MPH.
LOCATIONS IN THE WARNING INCLUDE...
MORA...
ISLE...
WAHKON...
BAYVIEW...
ONAMIA...
WARMAN...
OGILVIE...
QUAMBA...
GRASSTON...
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.
REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 4616 9342 4616 9306 4615 9304 4599 9304
4597 9306 4597 9313 4582 9313 4580 9315
4576 9352 4587 9392 4625 9343
TIME...MOT...LOC 1430Z 293DEG 23KT 4620 9330 4584 9368
WIND...HAIL 65MPH 1.00IN
$$2 follow-up statements
931
WWUS53 KMPX 191450
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
950 AM CDT TUE JUL 19 2011
MNC065-095-097-191530-
/O.CON.KMPX.SV.W.0160.000000T0000Z-110719T1530Z/
KANABEC MN-MILLE LACS MN-MORRISON MN-
950 AM CDT TUE JUL 19 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHEASTERN
MORRISON...CENTRAL MILLE LACS AND KANABEC COUNTIES UNTIL 1030 AM
CDT...
AT 945 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 9
MILES SOUTHEAST OF MCGRATH TO 6 MILES NORTHEAST OF MILACA...MOVING
SOUTHEAST AT 25 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE
DAMAGING WINDS.
LOCATIONS IMPACTED INCLUDE...
MORA...OGILVIE...QUAMBA AND BRUNSWICK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4607 9347 4616 9342 4616 9306 4615 9304
4599 9304 4597 9306 4597 9313 4582 9313
4580 9315 4576 9352 4587 9392
TIME...MOT...LOC 1450Z 293DEG 23KT 4615 9307 4579 9351
WIND...HAIL 60MPH 0.88IN
$$895
WWUS53 KMPX 191512
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1012 AM CDT TUE JUL 19 2011
MNC065-095-097-191527-
/O.CAN.KMPX.SV.W.0160.000000T0000Z-110719T1530Z/
KANABEC MN-MILLE LACS MN-MORRISON MN-
1012 AM CDT TUE JUL 19 2011
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN MORRISON...
NORTHERN MILLE LACS AND KANABEC COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW
SEVERE LIMITS...AND NO LONGER POSES AN IMMEDIATE THREAT TO LIFE OR
PROPERTY...HOWEVER GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH
THESE THUNDERSTORMS. SEVERE STORMS CONTINUE TO IMPACT LOCATIONS TO
THE SOUTH OF WHERE THIS WARNING WAS IN EFFECT.
IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP...AND A SEVERE
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 3 PM CDT.
LAT...LON 4607 9347 4616 9342 4616 9306 4615 9304
4599 9304 4597 9306 4597 9313 4582 9313
4580 9315 4576 9352 4587 9392
TIME...MOT...LOC 1512Z 293DEG 23KT 4609 9288 4574 9332
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 19, 6:20 AM CDT | Special Weather Statement | MPX | Todd | 40 min |
| Jul 19, 6:48 AM CDT | Severe Thunderstorm Warning | MPX | Todd | 57 min |
| Jul 19, 7:43 AM CDT | Special Weather Statement | MPX | Morrison | 77 min |
| Jul 19, 7:46 AM CDT | Special Weather Statement | MPX | Todd | 29 min |
| Jul 19, 8:19 AM CDT | Areal Flood Advisory | MPX | Morrison | 3 hr |
| Jul 19, 8:26 AM CDT | Special Weather Statement | MPX | Kanabec, Mille Lacs | 79 min |
| Jul 19, 8:35 AM CDT | Severe Thunderstorm Warning | MPX | Mille Lacs, Morrison | 55 min |
| Jul 19, 8:53 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Morrison | 82 min |
| Jul 19, 9:01 AM CDT | Flash Flood Warning | MPX | Mille Lacs, Morrison | 5 hr |
| Jul 19, 9:45 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Isanti, Kanabec, Mille Lacs, Sherburne | 60 min |
| Jul 19, 10:09 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Sherburne | 36 min |
| Jul 19, 10:40 AM CDT | Severe Thunderstorm Warning | MPX | Anoka, Hennepin, Ramsey | 80 min |
| Jul 19, 11:11 AM CDT | Areal Flood Advisory | MPX | Anoka, Dakota, Ramsey, Washington | 3 hr |
| Jul 19, 11:25 AM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Ramsey, Washington | 65 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning in 2011
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.