Alert archive / Minnesota / Special Weather Statements in 2017
Special Weather Statement, NWS Twin Cities, MN
NWS Twin Cities, MN issued this special weather statement at Sep 22, 2017, 11:40 PM CDT for Todd County, Minnesota. It was in force for 50 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
- Sep 22, 2017, 11:40 PM CDT (04:40 UTC)
- Expired
- Sep 23, 2017, 12:30 AM CDT
- In force
- 50 min
- Issued by
- NWS Twin Cities, MN
County Todd County, MN
The radar
The Minneapolis radar (KMPX), 146 km from the middle of the area, began a volume at 04:43 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
Aberdeen, SD (KABR), launched 00:00Z, 4.7 hours before the alert went out and 308 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1357 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 91 m²/s²
- 0-3 km storm-relative helicity
- 112 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Sep 22, 10:59 PM CDT, 41 minutes earlier.
Area forecast discussion, Sep 22, 10:59 PM CDT, 41 minutes before
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</html>Hazardous weather outlook, Sep 22, 7:47 PM CDT, 3 hours 53 minutes before
Hazardous Weather Outlook...UPDATED National Weather Service Twin Cities/Chanhassen MN 747 PM CDT Fri Sep 22 2017 MNZ041>045-047>050-054>058-064-065-073-240100- Douglas-Todd-Morrison-Mille Lacs-Kanabec-Stevens-Pope-Stearns- Benton-Lac Qui Parle-Swift-Chippewa-Kandiyohi-Meeker- Yellow Medicine-Renville-Redwood- 747 PM CDT Fri Sep 22 2017 This Hazardous Weather Outlook is for portions of central Minnesota...east central Minnesota...southwest Minnesota and west central Minnesota. .DAY ONE...Tonight There is chance of thunderstorms and a marginal risk of severe weather, mainly after midnight. The main threats will be large hail and damaging winds. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Periodic chances for thunderstorms exist from Saturday through Monday night. There is a marginal risk of severe weather Saturday across western and central Minnesota, with the main threats being hail and wind. Repeated rounds of thunderstorms this weekend in western Minnesota will also lead to an increased risk for flooding. .SPOTTER INFORMATION STATEMENT... SKYWARN spotter activation may be needed tonight and again Saturday afternoon. MNZ051>053-059>063-066>070-074>078-082>085-091>093-WIZ014>016- 023>028-240100- Sherburne-Isanti-Chisago-Wright-Hennepin-Anoka-Ramsey-Washington- McLeod-Sibley-Carver-Scott-Dakota-Brown-Nicollet-Le Sueur-Rice- Goodhue-Watonwan-Blue Earth-Waseca-Steele-Martin-Faribault- Freeborn-Polk-Barron-Rusk-St. Croix-Pierce-Dunn-Pepin-Chippewa- Eau Claire- 747 PM CDT Fri Sep 22 2017 This Hazardous Weather Outlook is for portions of central Minnesota...east central Minnesota...south central Minnesota... southeast Minnesota...northwest Wisconsin and west central Wisconsin. .DAY ONE...Tonight No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Thursday Hot and humid conditions with heat indices into the mid 90s are expected again Saturday from south central and east central Minnesota into western Wisconsin. Heat illnesses may occur, primarily for those who are active outdoors. Periodic chances for thunderstorms exist from Saturday through Monday night. There is a marginal risk of severe weather Saturday across western and central Minnesota, with the main threats being hail and wind. .SPOTTER INFORMATION STATEMENT... SKYWARN spotter activation will not be needed tonight. Borghoff
In the hours before
Special weather statement, Sep 22, 9:01 PM CDT, 2 hours 39 minutes before
Special Weather Statement
National Weather Service Twin Cities/Chanhassen MN
901 PM CDT FRI SEP 22 2017
MNZ054-064-230245-
Yellow Medicine-Lac Qui Parle-
901 PM CDT FRI SEP 22 2017
...A LINE OF STRONG THUNDERSTORMS WILL AFFECT LAC QUI PARLE AND WEST
CENTRAL YELLOW MEDICINE COUNTIES...
At 901 PM CDT, radar indicated strong thunderstorms were located
along a line extending from Bullhead Lake to Moritz to near Lake
Cochrane Rec Area. Movement was northeast at 35 mph.
Winds in excess of 40 mph and dime size hail are possible with these
storms.
These storms will be near...
Canby and Marietta around 920 PM CDT.
Madison around 935 PM CDT.
Dawson and Bellingham around 945 PM CDT.
Other locations impacted by these storms include Nassau, Providence,
Burr, Big Stone National Wildlife Refuge, Madison Airport and Florida
Creek Wildlife Management Area.
This includes the following highways...
U.S. Highway 212 between mile markers 1 and 20.
U.S. Highway 75 between mile markers 95 and 124.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
LAT...LON 4527 9645 4526 9636 4509 9609 4476 9599
4462 9631 4463 9645
TIME...MOT...LOC 0201Z 230DEG 33KT 4497 9679 4482 9655 4464 9650
BORGHOFFLocal storm report, Sep 22, 9:34 PM CDT, 2 hours 6 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
934 PM CDT FRI SEP 22 2017
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0915 PM TSTM WND GST 5 SSW MARIETTA 44.94N 96.44W
09/22/2017 M52 MPH LAC QUI PARLE MN MESONET
MESONET STATION MN059, MARIETTA 5SSW.
&&
BORGHOFFLocal storm report, Sep 22, 10:04 PM CDT, 1 hour 36 minutes before
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</html>Special weather statement, Sep 22, 10:04 PM CDT, 1 hour 36 minutes before
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</html>Special weather statement, Sep 22, 11:00 PM CDT, 40 minutes before
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</html>Special weather statement, Sep 22, 11:40 PM CDT, 0 minutes before
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</html>The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 22, 9:01 PM CDT | Special Weather Statement | MPX | Lac qui Parle | 44 min |
| Sep 22, 9:11 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle, Yellow Medicine | 49 min |
| Sep 22, 10:04 PM CDT | Special Weather Statement | MPX | Chippewa, Swift | 26 min |
| Sep 22, 11:00 PM CDT | Special Weather Statement | MPX | Pope | 45 min |
| Sep 23, 3:28 PM CDT | Special Weather Statement | MPX | Nicollet | 32 min |
Nearby
Special Weather Statements in Minnesota, 2017Every special weather statement in 2017
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.