Alert archive / Minnesota / Special Weather Statements in 2011
Special Weather Statement, NWS Duluth, MN
NWS Duluth, MN issued this special weather statement at Aug 19, 2011, 2:08 AM CDT for Cook County, Minnesota. It was in force for 22 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
- Aug 19, 2011, 2:08 AM CDT (07:08 UTC)
- Expired
- Aug 19, 2011, 2:30 AM CDT
- In force
- 22 min
- Issued by
- NWS Duluth, MN
County Cook County, MN
The radar
The Duluth radar (KDLH), 158 km from the middle of the area, began a volume at 07:09 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
International Fa, MN (KINL), launched 00:00Z, 7.1 hours before the alert went out and 190 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
- 814 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 1678 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 100 m²/s²
- 0-3 km storm-relative helicity
- 196 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 6.4
The text
As transmitted, in the capitals the NWS used until 2016.
340 WWUS83 KDLH 190708 SPSDLH SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DULUTH MN 208 AM CDT FRI AUG 19 2011 MNZ012-021-190730- NORTHERN COOK/NORTHERN LAKE-SOUTHERN COOK/NORTH SHORE- 208 AM CDT FRI AUG 19 2011 ...STRONG STORM OVER THE BOUNDARY WATERS... AT 204 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A STRONG THUNDERSTORM 6 MILES EAST OF ALICE LAKE...MOVING EAST AT 25 MPH. THIS STORM IS CAPABLE OF PRODUCING HALF INCH DIAMETER HAIL...WIND GUSTS UP TO 30 MPH...OCCASIONAL CLOUD TO GROUND LIGHTNING...BRIEF HEAVY DOWNPOURS... * THE THUNDERSTORM WILL BE NEAR... RURAL COOK COUNTY AT 220 AM GUSTY WINDS MAY CAUSE SMALL OBJECTS SUCH AS TRASH BINS TO BLOW AROUND. STAY AWAY FROM HIGH OBJECTS OUTDOORS SUCH AS TREES. SEEK SHELTER IN A STURDY STRUCTURE UNTIL THIS STORM HAS PASSED. LAT...LON 4808 9068 4773 9070 4779 9122 4808 9124 $$ HLUCHAN
The office that day
Everything else NWS Duluth, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 1:21 AM CDT | Special Weather Statement | DLH | Cass, Crow Wing, Itasca | 24 min |
| Aug 19, 1:33 AM CDT | Special Weather Statement | DLH | Cook | 12 min |
| Aug 19, 1:48 AM CDT | Severe Thunderstorm Warning | DLH | Cass, Itasca | 57 min |
| Aug 19, 2:33 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Cass, Itasca | 42 min |
| Aug 19, 3:14 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Cass, Itasca, Saint Louis | 61 min |
| Aug 19, 3:52 AM CDT | Special Weather Statement | DLH | Carlton | 23 min |
| Aug 19, 3:56 AM CDT | Special Marine Warning | DLH | 94 min | |
| Aug 19, 4:09 AM CDT | Severe Thunderstorm Warning | DLH | Aitkin, Carlton, Lake, Pine, Saint Louis | 51 min |
| Aug 19, 4:37 AM CDT | Special Weather Statement | DLH | 23 min | |
| Aug 19, 4:48 AM CDT | Severe Thunderstorm Warning | DLH | Koochiching, Saint Louis | 42 min |
| Aug 19, 4:57 AM CDT | Special Weather Statement | DLH | Lake | 33 min |
| Aug 19, 5:46 AM CDT | Special Weather Statement | DLH | Cook | 29 min |
| Aug 19, 6:09 AM CDT | Special Marine Warning | DLH | 39 min | |
| Aug 19, 4:59 AM CDT | Special Weather Statement | DLH | Douglas | 31 min |
| Aug 19, 5:33 AM CDT | Special Weather Statement | DLH | Ashland, Bayfield, Douglas | 27 min |
| Aug 19, 5:51 AM CDT | Severe Thunderstorm Warning | DLH | Burnett, Douglas, Washburn | 39 min |
| Aug 19, 6:28 AM CDT | Severe Thunderstorm Warning | DLH | Sawyer, Washburn | 32 min |
| Aug 19, 6:59 AM CDT | Special Weather Statement | DLH | Iron, Price, Sawyer | 31 min |
Nearby
Special Weather Statements in Minnesota, 2011Every special weather statement 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.