Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 128, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 20, 2014, 2:57 PM CDT for 6 counties in Minnesota. It was in force for 48 min. 3 reports 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 20, 2014, 2:57 PM CDT (19:57 UTC)
- Expired
- Sep 20, 2014, 3:45 PM CDT
- In force
- 48 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Douglas County, MN, Kandiyohi County, MN, Pope County, MN, Stearns County, MN, Stevens County, MN, Swift County, MN
The radar
The Minneapolis radar (KMPX), 187 km from the middle of the area, began a volume at 20:00 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 20, 3:20 PM CDT | TSTM WND DMG | 2 Ne Benson, MN | 10 INCH WIDE APPLE TREE AND LARGE BRANCHES BLOWN DOWN ALONG WITH SOME SCAFFOLDING. |
| Sep 20, 3:25 PM CDT | TSTM WND GST 52 | 4 Ssw Glacial Lakes Sta, MN | LANGHEI TOWNSHIP MN-29 MILE POST 46 MNDOT STATION MN037 |
| Sep 20, 3:30 PM CDT | TSTM WND GST 51 | 4 Ssw Glacial Lakes Sta, MN | LANGHEI TOWNSHIP MN-29 MILE POST 46 MNDOT STATION MN037 |
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 20, 1:26 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 12:00Z, 8.0 hours before the alert went out and 185 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
- 295 J/kg
- Mixed-layer CIN
- -178 J/kg
- Mixed-layer LCL
- 1113 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- -28 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.2
The text
As transmitted, in the capitals the NWS used until 2016.
293
WUUS53 KMPX 201957
SVRMPX
MNC041-067-121-145-149-151-202045-
/O.NEW.KMPX.SV.W.0128.140920T1957Z-140920T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
257 PM CDT SAT SEP 20 2014
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
NORTHWESTERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA...
POPE COUNTY IN WEST CENTRAL MINNESOTA...
NORTHWESTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
SOUTHEASTERN STEVENS COUNTY IN WEST CENTRAL MINNESOTA...
SWIFT COUNTY IN WEST CENTRAL MINNESOTA...
* UNTIL 345 PM CDT
* AT 256 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 11 MILES NORTHWEST OF ALEXANDRIA TO 7 MILES WEST OF
LAKE EMILY TO 6 MILES WEST OF ARTICHOKE...AND MOVING SOUTHEAST AT
45 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* SEVERE THUNDERSTORMS WILL BE NEAR...
LAKE EMILY AROUND 305 PM CDT.
LAKE OLIVER AND GLACIAL LAKES STATE PARK AROUND 310 PM CDT.
LAKE MINNEWASKA AND LAKE HASSEL AROUND 315 PM CDT.
BENSON AROUND 320 PM CDT.
MONSON LAKE STATE PARK AROUND 335 PM CDT.
NORWAY LAKE AROUND 340 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE LOWRY...STARBUCK...LONG BEACH...
FORADA...CLONTARF...APPLETON AIRPORT... AND SWIFT FALLS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4548 9624 4555 9591 4577 9580 4579 9576
4582 9577 4601 9567 4577 9514 4570 9493
4533 9510 4515 9525 4515 9590 4525 9613
4540 9612 4541 9626
TIME...MOT...LOC 1957Z 301DEG 40KT 4596 9555 4549 9577
4539 9626
HAIL...<.75IN
WIND...60MPH
$$2 follow-up statements
753
WWUS53 KMPX 202013
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
313 PM CDT SAT SEP 20 2014
MNC041-067-121-145-149-151-202045-
/O.CON.KMPX.SV.W.0128.000000T0000Z-140920T2045Z/
DOUGLAS MN-KANDIYOHI MN-POPE MN-STEARNS MN-STEVENS MN-SWIFT MN-
313 PM CDT SAT SEP 20 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SWIFT...
SOUTHEASTERN STEVENS...NORTHWESTERN STEARNS...POPE...NORTHWESTERN
KANDIYOHI AND SOUTHEASTERN DOUGLAS COUNTIES UNTIL 345 PM CDT...
AT 311 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM ALEXANDRIA TO LAKE HASSEL TO LAKE OLIVER...AND MOVING
SOUTHEAST AT 45 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
SEVERE THUNDERSTORMS WILL BE NEAR...
LAKE HASSEL AND GLENWOOD AROUND 320 PM CDT.
BENSON AROUND 325 PM CDT.
MONSON LAKE STATE PARK AROUND 335 PM CDT.
NORWAY LAKE AROUND 345 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE SWIFT FALLS...GILCHRIST...
VILLARD...HOLLOWAY...DANVERS...GROVE LAKE AND WESTPORT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4540 9612 4552 9581 4592 9547 4578 9518
4570 9493 4533 9510 4515 9525 4515 9591
4525 9613
TIME...MOT...LOC 2013Z 301DEG 40KT 4590 9534 4543 9557
4533 9606
HAIL...0.75IN
WIND...60MPH
$$917
WWUS53 KMPX 202021
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
321 PM CDT SAT SEP 20 2014
MNC149-202031-
/O.CAN.KMPX.SV.W.0128.000000T0000Z-140920T2045Z/
STEVENS MN-
321 PM CDT SAT SEP 20 2014
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STEVENS COUNTY IS
CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.
LAT...LON 4536 9601 4541 9585 4542 9575 4545 9575
4587 9537 4578 9520 4570 9493 4533 9510
4515 9525 4515 9592 4525 9613
TIME...MOT...LOC 2021Z 301DEG 40KT 4585 9523 4538 9546
4528 9595
$$
MNC041-067-121-145-151-202045-
/O.CON.KMPX.SV.W.0128.000000T0000Z-140920T2045Z/
DOUGLAS MN-KANDIYOHI MN-POPE MN-STEARNS MN-SWIFT MN-
321 PM CDT SAT SEP 20 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SWIFT...
NORTHWESTERN STEARNS...POPE...NORTHWESTERN KANDIYOHI AND SOUTHEASTERN
DOUGLAS COUNTIES UNTIL 345 PM CDT...
AT 319 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 6 MILES EAST OF ALEXANDRIA TO LAKE HASSEL TO LAKE
OLIVER...AND MOVING SOUTHEAST AT 45 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
SEVERE THUNDERSTORMS WILL BE NEAR...
MONSON LAKE STATE PARK AROUND 335 PM CDT.
NORWAY LAKE AROUND 340 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE GROVE LAKE...WESTPORT...
SEDAN...HAGEN...SUNBURG...DE GRAFF...PADUA...MURDOCK...BROOTEN AND
KERKHOVEN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4536 9601 4541 9585 4542 9575 4545 9575
4587 9537 4578 9520 4570 9493 4533 9510
4515 9525 4515 9592 4525 9613
TIME...MOT...LOC 2021Z 301DEG 40KT 4585 9523 4538 9546
4528 9595
HAIL...0.75IN
WIND...60MPH
$$The office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 19, 10:58 PM CDT | Special Weather Statement | MPX | Faribault, Freeborn | 47 min |
| Sep 20, 2:14 PM CDT | Special Weather Statement | MPX | Douglas, Stevens | 61 min |
| Sep 20, 3:19 PM CDT | Special Weather Statement | MPX | Morrison, Todd | 56 min |
| Sep 20, 3:36 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Meeker, Renville, Stearns | 39 min |
| Sep 20, 4:11 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, McLeod, Meeker, Renville, Wright | 49 min |
| Sep 20, 4:56 PM CDT | Severe Thunderstorm Warning | MPX | Carver, Hennepin, McLeod, Scott, Sibley, Wright | 49 min |
| Sep 20, 4:57 PM CDT | Severe Thunderstorm Warning | MPX | Brown, Nicollet, Redwood, Renville, Sibley | 48 min |
| Sep 20, 5:06 PM CDT | Special Weather Statement | MPX | Anoka, Chisago, Isanti, Kanabec, Mille Lacs, Sherburne and 1 more | 54 min |
| Sep 20, 5:08 PM CDT | Special Weather Statement | MPX | Waseca | 37 min |
| Sep 20, 5:33 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Hennepin, Le Sueur, Rice, Scott | 42 min |
| Sep 20, 5:41 PM CDT | Severe Thunderstorm Warning | MPX | Blue Earth, Faribault, Freeborn, Le Sueur, Nicollet, Waseca and 1 more | 49 min |
| Sep 20, 5:43 PM CDT | Severe Thunderstorm Warning | MPX | Steele, Waseca | 32 min |
| Sep 20, 6:02 PM CDT | Severe Thunderstorm Warning | MPX | Dakota, Goodhue, Rice | 43 min |
| Sep 20, 6:13 PM CDT | Severe Thunderstorm Warning | MPX | Faribault, Freeborn, Steele, Waseca | 47 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2014Every severe thunderstorm warning in 2014
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.