Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 58, NWS Twin Cities, MN

May 5, 2012Lac qui Parle County, Yellow Medicine County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 5, 2012, 9:27 PM CDT for Lac qui Parle County, Yellow Medicine County, Minnesota. It was in force for 63 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
May 5, 2012, 9:27 PM CDT (02:27 UTC)
Expired
May 5, 2012, 10:30 PM CDT
In force
63 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
65.0 mph

Counties Lac qui Parle County, MN, Yellow Medicine County, MN

The radar

The Sioux Falls radar (KFSD), 134 km from the middle of the area, began a volume at 02:29 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.

IssuedProductOfficeLasted
May 5, 8:18 PM CDTSevere Thunderstorm WatchSPC4 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 2.5 hours before the alert went out and 169 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.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2012-05-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2012-05-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 201 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
657 m above ground
0-6 km bulk shear
64 kt
0-1 km storm-relative helicity
201 m²/s²
0-3 km storm-relative helicity
278 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

333 
WUUS53 KMPX 060227
SVRMPX
MNC073-173-060330-
/O.NEW.KMPX.SV.W.0058.120506T0227Z-120506T0330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
927 PM CDT SAT MAY 5 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN LAC QUI PARLE COUNTY IN WEST CENTRAL MINNESOTA...
  CENTRAL YELLOW MEDICINE COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 1030 PM CDT

* AT 924 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS OF 65 MPH. THIS
  STORM WAS LOCATED NEAR LAKE COCHRANE REC AREA...OR ABOUT 26 MILES
  SOUTHWEST OF MADISON...AND MOVING NORTHEAST AT 30 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  MADISON...
  BURR...
  CANBY...
  ST LEO...
  PROVIDENCE...
  SPRING CREEK...
  BOYD...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

LAT...LON 4485 9646 4512 9604 4463 9575 4462 9611
      4462 9639 4463 9645 4464 9646
TIME...MOT...LOC 0228Z 238DEG 25KT 4471 9646
WIND...HAIL 65MPH 1.00IN

$$

JLT
4 follow-up statements
330 
WWUS53 KMPX 060245
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
945 PM CDT SAT MAY 5 2012

MNC073-060300-
/O.CAN.KMPX.SV.W.0058.000000T0000Z-120506T0330Z/
LAC QUI PARLE MN-
945 PM CDT SAT MAY 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN LAC QUI PARLE
COUNTY IS CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED IN THE WARNED AREA.

LAT...LON 4481 9646 4480 9586 4463 9575 4462 9611
      4462 9639 4463 9645 4464 9646
TIME...MOT...LOC 0245Z 262DEG 31KT 4472 9624

$$

MNC173-060330-
/O.CON.KMPX.SV.W.0058.000000T0000Z-120506T0330Z/
YELLOW MEDICINE MN-
945 PM CDT SAT MAY 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL YELLOW
MEDICINE COUNTY UNTIL 1030 PM CDT...

AT 943 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH.  THIS
STORM WAS LOCATED NEAR BURR...OR 21 MILES SOUTH OF MADISON...MOVING
EAST AT 35 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING
WINDS.

LOCATIONS IMPACTED INCLUDE...
  ST LEO...SPRING CREEK AND PORTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4481 9646 4480 9586 4463 9575 4462 9611
      4462 9639 4463 9645 4464 9646
TIME...MOT...LOC 0245Z 262DEG 31KT 4472 9624
WIND...HAIL 60MPH 0.88IN

$$

JLT
593 
WWUS53 KMPX 060259
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
959 PM CDT SAT MAY 5 2012

MNC173-060330-
/O.CON.KMPX.SV.W.0058.000000T0000Z-120506T0330Z/
YELLOW MEDICINE MN-
959 PM CDT SAT MAY 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL YELLOW
MEDICINE COUNTY UNTIL 1030 PM CDT...

AT 955 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH.  THIS
STORM WAS LOCATED NEAR ST LEO...OR 22 MILES SOUTH OF MADISON...MOVING
EAST AT 35 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING
WINDS.

LOCATIONS IMPACTED INCLUDE...
  ST LEO AND SPRING CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4463 9638 4480 9637 4480 9586 4463 9575
      4462 9611
TIME...MOT...LOC 0259Z 274DEG 30KT 4470 9607
WIND...HAIL 60MPH 0.75IN

$$

JLT
424 
WWUS53 KMPX 060313
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1013 PM CDT SAT MAY 5 2012

MNC173-060330-
/O.CON.KMPX.SV.W.0058.000000T0000Z-120506T0330Z/
YELLOW MEDICINE MN-
1013 PM CDT SAT MAY 5 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR CENTRAL YELLOW
MEDICINE COUNTY UNTIL 1030 PM CDT...

AT 1011 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS OF 60 MPH.  THIS
STORM WAS LOCATED NEAR ST LEO...OR 20 MILES NORTHWEST OF MARSHALL...
MOVING EAST AT 35 MPH. NICKEL SIZE HAIL MAY ALSO ACCOMPANY THESE
DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  SPRING CREEK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4463 9629 4480 9627 4480 9586 4463 9575
      4462 9611
TIME...MOT...LOC 0313Z 268DEG 30KT 4468 9599
WIND...HAIL 60MPH 0.88IN

$$

JLT
604 
WWUS53 KMPX 060328
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1028 PM CDT SAT MAY 5 2012

MNC173-060343-
/O.EXP.KMPX.SV.W.0058.000000T0000Z-120506T0330Z/
YELLOW MEDICINE MN-
1028 PM CDT SAT MAY 5 2012

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL YELLOW MEDICINE COUNTY
WILL EXPIRE AT 1030 PM CDT...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

ADDITIONAL STRONG THUNDERSTORMS ARE STILL POSSIBLE...AND A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 1 AM.

LAT...LON 4463 9629 4480 9627 4480 9586 4463 9575
      4462 9611
TIME...MOT...LOC 0328Z 268DEG 30KT 4468 9581

$$

JLT

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 5, 7:58 PM CDTSpecial Weather StatementMPXAnoka, Chisago, Isanti, Sherburne47 min
May 5, 8:35 PM CDTRiver Flood WatchMPXTodd15 hr
May 5, 8:48 PM CDTSpecial Weather StatementMPXLac qui Parle27 min
May 5, 9:01 PM CDTSevere Thunderstorm WarningMPXLac qui Parle14 min
May 5, 9:24 PM CDTSevere Thunderstorm WarningMPXStevens41 min
May 5, 11:24 PM CDTSpecial Weather StatementMPXRenville66 min
May 5, 11:52 PM CDTSevere Thunderstorm WarningMPXRenville42 min
May 6, 12:39 AM CDTSpecial Weather StatementMPXCarver, McLeod66 min
May 6, 1:35 AM CDTSpecial Weather StatementMPXCarver, Hennepin, Scott40 min
May 6, 1:44 AM CDTSevere Thunderstorm WarningMPXCarver, Dakota, Hennepin, Ramsey, Scott46 min
May 6, 2:14 AM CDTSpecial Weather StatementMPXDakota46 min
May 6, 2:24 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Washington36 min
May 6, 10:54 AM CDTRiver Flood WarningMPXRedwood22 hr
May 6, 10:54 AM CDTRiver Flood WarningMPXBrown33 hr

Nearby

Severe Thunderstorm Warnings in Minnesota, 2012Every severe thunderstorm warning in 2012

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.