Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 133, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 20, 2014, 5:33 PM CDT for 5 counties in Minnesota. It was in force for 42 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 20, 2014, 5:33 PM CDT (22:33 UTC)
- Expired
- Sep 20, 2014, 6:15 PM CDT
- In force
- 42 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Dakota County, MN, Hennepin County, MN, Le Sueur County, MN, Rice County, MN, Scott County, MN
The radar
The Minneapolis radar (KMPX), 31 km from the middle of the area, began a volume at 22:34 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 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, 10.6 hours before the alert went out and 32 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.
123
WUUS53 KMPX 202233
SVRMPX
MNC037-053-079-131-139-202315-
/O.NEW.KMPX.SV.W.0133.140920T2233Z-140920T2315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
533 PM CDT SAT SEP 20 2014
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
WESTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
SOUTHEASTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
NORTHEASTERN LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
SCOTT COUNTY IN EAST CENTRAL MINNESOTA...
* UNTIL 615 PM CDT
* AT 531 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM MINNETONKA TO NEW PRAGUE TO 7 MILES NORTHWEST OF LE
CENTER...AND MOVING SOUTHEAST AT 50 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
* SEVERE THUNDERSTORMS WILL BE NEAR...
EDINA AND LE CENTER AROUND 540 PM CDT.
MALL OF AMERICA AND RICHFIELD AROUND 545 PM CDT.
EAGAN AND LAKEVILLE AROUND 550 PM CDT.
NORTHFIELD AROUND 600 PM CDT.
FARIBAULT AROUND 605 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE VESELI...CREDIT RIVER...
SAVAGE...PRIOR LAKE...MONTGOMERY...WEBSTER...LONSDALE...ELKO NEW
MARKET AND LAKEVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4443 9393 4446 9394 4449 9389 4453 9389
4463 9368 4480 9352 4501 9347 4480 9302
4477 9301 4476 9295 4451 9304 4420 9304
4420 9343
TIME...MOT...LOC 2233Z 303DEG 43KT 4490 9345 4457 9354
4446 9379
HAIL...<.75IN
WIND...60MPH
$$1 follow-up statement
891
WWUS53 KMPX 202258
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
558 PM CDT SAT SEP 20 2014
MNC053-079-202308-
/O.CAN.KMPX.SV.W.0133.000000T0000Z-140920T2315Z/
HENNEPIN MN-LE SUEUR MN-
558 PM CDT SAT SEP 20 2014
...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LE SUEUR AND
SOUTHEASTERN HENNEPIN COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA.
LAT...LON 4424 9352 4434 9352 4446 9338 4484 9321
4487 9319 4487 9317 4481 9303 4477 9301
4476 9295 4451 9305 4420 9304 4420 9343
TIME...MOT...LOC 2258Z 303DEG 43KT 4473 9310 4440 9319
4429 9344
$$
MNC037-131-139-202315-
/O.CON.KMPX.SV.W.0133.000000T0000Z-140920T2315Z/
DAKOTA MN-RICE MN-SCOTT MN-
558 PM CDT SAT SEP 20 2014
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EXTREME
SOUTHEASTERN SCOTT...RICE AND WESTERN DAKOTA COUNTIES UNTIL 615 PM
CDT...
AT 556 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM 5 MILES SOUTH OF EAGAN TO NORTHFIELD TO 10 MILES WEST
OF FARIBAULT...AND MOVING SOUTHEAST AT 50 MPH.
HAZARD...60 MPH WIND GUSTS.
SOURCE...RADAR INDICATED.
IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.
SEVERE THUNDERSTORMS WILL BE NEAR...
FARIBAULT AROUND 605 PM CDT.
OTHER LOCATIONS IN THE WARNING INCLUDE WARSAW...RANDOLPH...NERSTRAND
AND RUSKIN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.
&&
LAT...LON 4424 9352 4434 9352 4446 9338 4484 9321
4487 9319 4487 9317 4481 9303 4477 9301
4476 9295 4451 9305 4420 9304 4420 9343
TIME...MOT...LOC 2258Z 303DEG 43KT 4473 9310 4440 9319
4429 9344
HAIL...<.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, 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, 5:41 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.