Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 129, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 20, 2014, 3:36 PM CDT for 5 counties in Minnesota. It was in force for 39 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 20, 2014, 3:36 PM CDT (20:36 UTC)
- Expired
- Sep 20, 2014, 4:15 PM CDT
- In force
- 39 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Chippewa County, MN, Kandiyohi County, MN, Meeker County, MN, Renville County, MN, Stearns County, MN
The radar
The Minneapolis radar (KMPX), 129 km from the middle of the area, began a volume at 20:39 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, 4:15 PM CDT | TSTM WND DMG | Atwater, MN | TOP HALF OF A LARGE PEAR TREE WAS SNAPPED OFF BY STRONG WINDS. ALSO HAD PEA SIZE HAIL. |
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, 8.6 hours before the alert went out and 126 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.
895
WUUS53 KMPX 202036
SVRMPX
MNC023-067-093-129-145-202115-
/O.NEW.KMPX.SV.W.0129.140920T2036Z-140920T2115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
336 PM CDT SAT SEP 20 2014
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...
KANDIYOHI COUNTY IN CENTRAL MINNESOTA...
WESTERN MEEKER COUNTY IN CENTRAL MINNESOTA...
NORTHERN RENVILLE COUNTY IN CENTRAL MINNESOTA...
SOUTHWESTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
* UNTIL 415 PM CDT
* AT 335 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 12 MILES EAST OF GLENWOOD TO 5 MILES SOUTH OF MONSON
LAKE STATE PARK TO 11 MILES NORTHEAST OF LAC QUI PARLE STATE
PARK...AND MOVING SOUTHEAST AT 50 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...
NORWAY LAKE AROUND 345 PM CDT.
SIBLEY STATE PARK AROUND 350 PM CDT.
WILLMAR AROUND 355 PM CDT.
PAYNESVILLE AROUND 405 PM CDT.
LAKE KORONIS REGIONAL PARK AROUND 410 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE PENNOCK...ELROSA...BELGRADE...
ASBURY...PRIAM...GLUEK...GEORGEVILLE...RAYMOND AND NEW LONDON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4515 9525 4541 9525 4542 9513 4572 9513
4524 9445 4478 9462 4464 9518 4515 9591
TIME...MOT...LOC 2037Z 315DEG 41KT 4560 9511 4523 9526
4511 9569
HAIL...0.75IN
WIND...60MPH
$$2 follow-up statements
510
WWUS53 KMPX 202053
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
353 PM CDT SAT SEP 20 2014
MNC023-067-093-129-145-202115-
/O.CON.KMPX.SV.W.0129.000000T0000Z-140920T2115Z/
CHIPPEWA MN-KANDIYOHI MN-MEEKER MN-RENVILLE MN-STEARNS MN-
353 PM CDT SAT SEP 20 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHWESTERN
STEARNS...NORTHERN RENVILLE...WESTERN MEEKER AND KANDIYOHI COUNTIES
IN CENTRAL MINNESOTA...AND EASTERN CHIPPEWA COUNTY IN WEST CENTRAL
MINNESOTA UNTIL 415 PM CDT...
AT 350 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 12 MILES NORTH OF SIBLEY STATE PARK TO WILLMAR TO 12
MILES NORTHEAST OF MONTEVIDEO...AND MOVING SOUTHEAST AT 50 MPH.
HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL.
SOURCE...TRAINED WEATHER SPOTTERS.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
SEVERE THUNDERSTORMS WILL BE NEAR...
PAYNESVILLE AND LAKE KORONIS REGIONAL PARK AROUND 405 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE LAKE HENRY...SVEA...HAWICK...
REGAL...RAYMOND...KANDIYOHI...CLARA CITY...PRINSBURG AND ATWATER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS SITUATION. THESE STORMS PRODUCED WIND DAMAGE
ACROSS NORTHERN SWIFT COUNTY. SEEK SHELTER NOW INSIDE A
STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 4571 9513 4524 9445 4478 9462 4464 9518
4515 9570 4515 9550 4515 9525 4516 9525
4542 9517 4542 9513 4551 9513
TIME...MOT...LOC 2052Z 309DEG 45KT 4547 9493 4510 9502
4504 9548
HAIL...0.75IN
WIND...60MPH
$$123
WWUS53 KMPX 202103
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
403 PM CDT SAT SEP 20 2014
MNC023-067-093-129-145-202115-
/O.CON.KMPX.SV.W.0129.000000T0000Z-140920T2115Z/
CHIPPEWA MN-KANDIYOHI MN-MEEKER MN-RENVILLE MN-STEARNS MN-
403 PM CDT SAT SEP 20 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL
STEARNS...NORTHERN RENVILLE...WESTERN MEEKER AND KANDIYOHI COUNTIES
IN CENTRAL MINNESOTA...AND NORTHEASTERN CHIPPEWA COUNTY IN WEST
CENTRAL MINNESOTA UNTIL 415 PM CDT...
AT 401 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM PAYNESVILLE TO 10 MILES SOUTHEAST OF WILLMAR TO 14
MILES NORTHEAST OF GRANITE FALLS...AND MOVING SOUTHEAST AT 50 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...
LITCHFIELD AROUND 415 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE THORPE...LAKE LILLIAN...
BLOMKEST...MANANNAH...COSMOS...GROVE CITY...STROUT...CORVUSO...
RENVILLE AND DANUBE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4518 9507 4539 9499 4554 9488 4524 9445
4478 9462 4466 9511 4512 9547
TIME...MOT...LOC 2104Z 309DEG 45KT 4537 9476 4500 9486
4494 9532
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, 2:57 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Kandiyohi, Pope, Stearns, Stevens, Swift | 48 min |
| Sep 20, 3:19 PM CDT | Special Weather Statement | MPX | Morrison, Todd | 56 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.