Alert archive / Minnesota / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 156, NWS Twin Cities, MN
NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 17, 2011, 11:54 PM CDT for 5 counties in Minnesota. It was in force for 51 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
- Jul 17, 2011, 11:54 PM CDT (04:54 UTC)
- Expired
- Jul 18, 2011, 12:45 AM CDT
- In force
- 51 min
- Issued by
- NWS Twin Cities, MN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Kandiyohi County, MN, McLeod County, MN, Meeker County, MN, Renville County, MN, Sibley County, MN
The radar
The Minneapolis radar (KMPX), 89 km from the middle of the area, began a volume at 04:53 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 |
|---|---|---|---|
| Jul 17, 4:34 PM CDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Minneapolis, MN (KMPX), launched 00:00Z, 4.9 hours before the alert went out and 86 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
- 4443 J/kg
- Mixed-layer CIN
- -102 J/kg
- Mixed-layer LCL
- 991 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -15 m²/s²
- 0-3 km storm-relative helicity
- 96 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
127
WUUS53 KMPX 180454
SVRMPX
MNC067-085-093-129-143-180545-
/O.NEW.KMPX.SV.W.0156.110718T0454Z-110718T0545Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1154 PM CDT SUN JUL 17 2011
THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHERN KANDIYOHI COUNTY IN CENTRAL MINNESOTA...
MCLEOD COUNTY IN CENTRAL MINNESOTA...
SOUTHERN MEEKER COUNTY IN CENTRAL MINNESOTA...
NORTHERN RENVILLE COUNTY IN CENTRAL MINNESOTA...
NORTHWESTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...
* UNTIL 1245 AM CDT
* AT 1149 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM GROVE CITY TO LAKE
LILLIAN TO MAYNARD...AND MOVING SOUTHEAST AT 40 MPH. PENNY SIZE
HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.
LOCATIONS IN THE WARNING INCLUDE...
OLIVIA...
HUTCHINSON...
GROVE CITY...
LAKE LILLIAN...
ATWATER...
THORPE...
COSMOS...
CORVUSO...
RENVILLE...
CEDAR MILLS...
DANUBE...
LAKESIDE...
BIRD ISLAND...
HECTOR...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL. SEEK SHELTER NOW INSIDE
A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
REPORT ANY SIGNIFICANT WIND OR HAIL DAMAGE TO THE NEAREST LAW
ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 4492 9412 4466 9428 4464 9509 4486 9546
4493 9501 4520 9476
TIME...MOT...LOC 0453Z 304DEG 36KT 4519 9466 4493 9485
4491 9541
WIND...HAIL 60MPH 0.75IN
$$
CLF1 follow-up statement
061
WWUS53 KMPX 180527
SVSMPX
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1227 AM CDT MON JUL 18 2011
MNC067-085-093-129-143-180545-
/O.CON.KMPX.SV.W.0156.000000T0000Z-110718T0545Z/
KANDIYOHI MN-MCLEOD MN-MEEKER MN-RENVILLE MN-SIBLEY MN-
1227 AM CDT MON JUL 18 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHWESTERN
SIBLEY...NORTHEASTERN RENVILLE...SOUTHERN MEEKER...MCLEOD AND
SOUTHEASTERN KANDIYOHI COUNTIES UNTIL 1245 AM CDT...
AT 1221 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM DASSEL
TO STEWART TO DANUBE...MOVING SOUTHEAST AT 40 MPH.
IN ADDITION...TREE DAMAGE WAS REPORTED 7 MILES SOUTH OF KANDIYOHI
WITH THESE STORMS EARLIER TONIGHT.
LOCATIONS IMPACTED INCLUDE...
STEWART...BROWNTON...BISCAY...SILVER LAKE AND SUMTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...LARGE HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO
AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.
&&
LAT...LON 4492 9412 4466 9428 4464 9494 4490 9523
4493 9501 4520 9476
TIME...MOT...LOC 0526Z 304DEG 36KT 4500 9427 4474 9446
4473 9502
WIND...HAIL 60MPH <.75IN
$$
CLFThe office that day
Everything else NWS Twin Cities, MN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 17, 9:08 PM CDT | Severe Thunderstorm Warning | MPX | Douglas, Pope, Stevens | 67 min |
| Jul 17, 9:49 PM CDT | Severe Thunderstorm Warning | MPX | Pope, Stevens | 56 min |
| Jul 17, 10:26 PM CDT | Severe Thunderstorm Warning | MPX | Kandiyohi, Pope, Stearns, Stevens, Swift | 64 min |
| Jul 17, 10:31 PM CDT | Areal Flood Advisory | MPX | Kandiyohi, Pope, Stearns, Stevens, Swift | 3 hr |
| Jul 17, 10:34 PM CDT | Areal Flood Advisory | MPX | Kandiyohi, Pope, Stearns, Stevens, Swift | 3 hr |
| Jul 17, 11:09 PM CDT | Special Weather Statement | MPX | Chippewa, Kandiyohi, Meeker, Stearns | 66 min |
| Jul 17, 11:23 PM CDT | Severe Thunderstorm Warning | MPX | Chippewa, Kandiyohi, Renville, Swift | 52 min |
| Jul 18, 12:39 AM CDT | Special Weather Statement | MPX | Carver, Le Sueur, Nicollet, Scott, Sibley | 66 min |
Nearby
Severe Thunderstorm Warnings in Minnesota, 2011Every severe thunderstorm warning in 2011
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.