Alert archive / Minnesota / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 193, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 19, 2017, 11:24 PM CDT for Stevens County, Swift County, Minnesota. It was in force for 36 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Sep 19, 2017, 11:24 PM CDT (04:24 UTC)
- Expired
- Sep 20, 2017, 12:00 AM CDT
- In force
- 36 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.88 in
- Wind
- 60.0 mph
Counties Stevens County, MN, Swift County, MN
The radar
The Aberdeen radar (KABR), 184 km from the middle of the area, began a volume at 04:27 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Sep 19, 11:52 PM CDT | HAIL 1 | 1 Wnw Morris, MN |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Sep 19, 10:36 PM CDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Aberdeen, SD (KABR), launched 00:00Z, 4.4 hours before the alert went out and 193 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
- 2563 J/kg
- Mixed-layer CIN
- -16 J/kg
- Mixed-layer LCL
- 1127 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 229 m²/s²
- 0-3 km storm-relative helicity
- 239 m²/s²
- Significant tornado parameter
- 2.6
- Supercell composite
- 16.8
The text
As transmitted.
178
WUUS53 KMPX 200424
SVRMPX
MNC149-151-200500-
/O.NEW.KMPX.SV.W.0193.170920T0424Z-170920T0500Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
1124 PM CDT TUE SEP 19 2017
The National Weather Service in The Twin Cities has issued a
* Severe Thunderstorm Warning for...
Stevens County in west central Minnesota...
Western Swift County in west central Minnesota...
* Until midnight CDT
* At 1124 PM CDT, severe thunderstorms were located along a line
extending from near Johnson to near Artichoke to near Marietta,
moving northeast at 55 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
* Severe thunderstorms will be near,
Artichoke Lake and Lake Oliver around 1130 PM CDT.
Chokio around 1135 PM CDT.
Lake Hattie around 1140 PM CDT.
Appleton and Donnelly around 1145 PM CDT.
Morris and Hancock around 1150 PM CDT.
Other locations impacted by these severe thunderstorms include Fish
Lake, Alberta, and Holloway.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4577 9601 4576 9577 4539 9575 4515 9587
4516 9606 4518 9610 4524 9610 4524 9612
4541 9612 4542 9625 4545 9624 4564 9625
TIME...MOT...LOC 0424Z 241DEG 48KT 4551 9634 4539 9620 4504 9637
HAIL...0.88IN
WIND...60MPH
$$1 follow-up statement
935
WWUS53 KMPX 200444
SVSMPX
Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
1144 PM CDT TUE SEP 19 2017
MNC149-151-200500-
/O.CON.KMPX.SV.W.0193.000000T0000Z-170920T0500Z/
Stevens MN-Swift MN-
1144 PM CDT TUE SEP 19 2017
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT
FOR STEVENS AND WESTERN SWIFT COUNTIES...
At 1143 PM CDT, severe thunderstorms were located along a line
extending from near Fish Lake to Morris to near Correll, moving
northeast at 55 mph.
HAZARD...60 mph wind gusts and nickel size hail.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe storms will be near...
Morris and Donnelly around 1150 PM CDT.
Other locations impacted by these severe thunderstorms include Fish
Lake, Alberta, and Holloway.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4577 9601 4576 9577 4539 9575 4515 9587
4516 9606 4518 9610 4524 9610 4524 9612
4541 9612 4541 9618 4567 9619
TIME...MOT...LOC 0443Z 228DEG 48KT 4569 9609 4557 9595 4522 9612
HAIL...0.88IN
WIND...60MPH
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 10:55 PM CDT | Severe Thunderstorm Warning | MPX | Lac qui Parle | 50 min |
| Sep 19, 11:42 PM CDT | Special Weather Statement | MPX | Lac qui Parle, Yellow Medicine | 48 min |
| Sep 19, 11:50 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stevens | 55 min |
| Sep 20, 12:03 AM CDT | Special Weather Statement | MPX | Swift | 57 min |
| Sep 20, 12:06 AM CDT | Special Weather Statement | MPX | Meeker | 24 min |
| Sep 20, 12:16 AM CDT | Special Weather Statement | MPX | Chippewa, Yellow Medicine | 44 min |
| Sep 20, 12:24 AM CDT | Severe Thunderstorm Warning | MPX | Swift | 21 min |
| Sep 20, 12:42 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns, Todd | 33 min |
| Sep 20, 12:45 AM CDT | Special Weather Statement | MPX | Benton, Morrison | 45 min |
| Sep 20, 12:51 AM CDT | Special Weather Statement | MPX | Kandiyohi, Meeker, Renville | 39 min |
| Sep 20, 12:55 AM CDT | Special Weather Statement | MPX | Brown, Redwood | 35 min |
| Sep 20, 1:02 AM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Meeker, Renville | 43 min |
| Sep 20, 1:11 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Morrison, Sherburne, Stearns | 49 min |
| Sep 20, 1:15 AM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 30 min |
| Sep 20, 1:37 AM CDT | Severe Thunderstorm Warning | MPX | Meeker, Sherburne, Stearns, Wright | 38 min |
| Sep 20, 1:41 AM CDT | Severe Thunderstorm Warning | MPX | McLeod, Renville, Sibley | 34 min |
| Sep 20, 1:49 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Kanabec, Mille Lacs, Morrison | 56 min |
| Sep 20, 2:00 AM CDT | Severe Thunderstorm Warning | MPX | Benton, Isanti, Mille Lacs, Sherburne | 45 min |
| Sep 20, 2:12 AM CDT | Special Weather Statement | MPX | Anoka, Hennepin, Wright | 48 min |
| Sep 20, 2:36 AM CDT | Special Weather Statement | MPX | Hennepin, Ramsey, Washington | 69 min |
| Sep 20, 2:57 AM CDT | Special Weather Statement | MPX | Chisago | 33 min |
| Sep 20, 3:04 AM CDT | Severe Thunderstorm Warning | MPX | Chisago | 26 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2017Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.