Alert archive / Minnesota / Special Weather Statements in 2018
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Aug 4, 2018, 12:41 AM CDT for Mille Lacs County, Minnesota. It was in force for 34 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 4, 2018, 12:41 AM CDT (05:41 UTC)
- Expired
- Aug 4, 2018, 1:15 AM CDT
- In force
- 34 min
- Issued by
- NWS Twin Cities, MN
County Mille Lacs County, MN
The radar
The Minneapolis radar (KMPX), 102 km from the middle of the area, began a volume at 05:44 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, 5.7 hours before the alert went out and 102 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
- 3195 J/kg
- Mixed-layer CIN
- -10 J/kg
- Mixed-layer LCL
- 1086 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 164 m²/s²
- 0-3 km storm-relative helicity
- 230 m²/s²
- Significant tornado parameter
- 3.0
- Supercell composite
- 17.5
The text
As transmitted.
446
WWUS83 KMPX 040541
SPSMPX
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1241 AM CDT SAT AUG 4 2018
MNZ044-045-052-040615-
Isanti-Mille Lacs-Kanabec-
1241 AM CDT SAT AUG 4 2018
...AN AREA OF STRONG THUNDERSTORMS WILL AFFECT SOUTHWESTERN
KANABEC...SOUTHERN MILLE LACS AND NORTHWESTERN ISANTI COUNTIES...
At 1240 AM CDT, strong thunderstorms were clustered near Milaca, or
22 miles northwest of Cambridge, moving east at 25 mph.
Winds in excess of 30 mph are possible with this storm.
Locations impacted include...
Milaca, Foreston, Ogilvie, Bock, Pease and Lewis Lake.
This includes U.S. Highway 169 between mile markers 187 and 198.
LAT...LON 4570 9333 4568 9368 4575 9377 4578 9377
4584 9371 4591 9340
TIME...MOT...LOC 0540Z 254DEG 21KT 4575 9359
$$
AMKThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 3, 7:02 PM CDT | Severe Thunderstorm Warning | MPX | Stearns, Wright | 43 min |
| Aug 3, 7:33 PM CDT | Severe Thunderstorm Warning | MPX | Benton, Mille Lacs, Sherburne, Wright | 27 min |
| Aug 3, 7:41 PM CDT | Special Weather Statement | MPX | Renville | 49 min |
| Aug 3, 10:19 PM CDT | Flash Flood Warning | MPX | Benton, Sherburne, Stearns | 3 hr |
| Aug 4, 12:05 AM CDT | Special Weather Statement | MPX | Isanti | 25 min |
| Aug 4, 12:17 AM CDT | Severe Thunderstorm Warning | MPX | Chisago, Washington | 28 min |
| Aug 4, 12:43 AM CDT | Special Weather Statement | MPX | Isanti | 32 min |
| Aug 4, 1:15 AM CDT | Special Weather Statement | MPX | Kanabec | 30 min |
| Aug 4, 12:58 AM CDT | Special Weather Statement | MPX | Polk | 32 min |
| Aug 4, 1:49 AM CDT | Special Weather Statement | MPX | Barron | 26 min |
Nearby
Special Weather Statements in Minnesota, 2018Every special weather statement 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.