Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 98, NWS Twin Cities, MN

May 26, 20126 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 26, 2012, 11:51 PM CDT for 6 counties in Minnesota. It was in force for 54 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 26, 2012, 11:51 PM CDT (04:51 UTC)
Expired
May 27, 2012, 12:45 AM CDT
In force
54 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Benton County, MN, Douglas County, MN, Morrison County, MN, Pope County, MN, Stearns County, MN, Todd County, MN

The radar

The Minneapolis radar (KMPX), 145 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 4.9 hours before the alert went out and 143 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, Minneapolis, MN at 00:00Z on 2012-05-27Temperature 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°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2012-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 442 square meters per square second.193958Sfc1 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
517 m above ground
0-6 km bulk shear
44 kt
0-1 km storm-relative helicity
442 m²/s²
0-3 km storm-relative helicity
539 m²/s²
Significant tornado parameter
0.0
Supercell composite
3.1

Open this sounding in Storm Lab

The text

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

951 
WUUS53 KMPX 270451
SVRMPX
MNC009-041-097-121-145-153-270545-
/O.NEW.KMPX.SV.W.0098.120527T0451Z-120527T0545Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1151 PM CDT SAT MAY 26 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME NORTHWESTERN BENTON COUNTY IN CENTRAL MINNESOTA...
  SOUTHEASTERN DOUGLAS COUNTY IN WEST CENTRAL MINNESOTA...
  SOUTHWESTERN MORRISON COUNTY IN CENTRAL MINNESOTA...
  NORTHEASTERN POPE COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHWESTERN STEARNS COUNTY IN CENTRAL MINNESOTA...
  SOUTHERN TODD COUNTY IN CENTRAL MINNESOTA...

* UNTIL 1245 AM CDT

* AT 1149 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING QUARTER SIZE HAIL. THESE STORMS WERE LOCATED
  ALONG A LINE EXTENDING FROM 9 MILES NORTH OF SEDAN TO 5 MILES
  NORTHWEST OF MEIRE GROVE TO ALBANY...AND MOVING NORTHEAST AT 30
  MPH.

LOCATIONS IN THE WARNING INCLUDE...
  ALBANY...
  NEW MUNICH...
  MEIRE GROVE...
  FREEPORT...
  MELROSE...
  SAUK CENTRE...
  OSAKIS...
  ST ROSA...
  HOLDINGFORD...
  PLEASANT BEACH...
  LITTLE SAUK...
  NORTH SHORE...
  GREY EAGLE...
  UPSALA...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4599 9505 4592 9423 4593 9421 4560 9457
      4562 9508 4568 9545
TIME...MOT...LOC 0451Z 243DEG 27KT 4571 9520 4567 9495
          4564 9453
WIND...HAIL <50MPH 1.00IN

$$

BAP
2 follow-up statements
727 
WWUS53 KMPX 270511
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1211 AM CDT SUN MAY 27 2012

MNC121-270525-
/O.CAN.KMPX.SV.W.0098.000000T0000Z-120527T0545Z/
POPE MN-
1211 AM CDT SUN MAY 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN POPE COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF
THE WARNED AREA.

LAT...LON 4591 9429 4592 9422 4560 9457 4563 9514
      4576 9515 4576 9534 4599 9505
TIME...MOT...LOC 0510Z 243DEG 27KT 4577 9502 4573 9477
          4570 9435

$$

MNC041-097-145-153-270545-
/O.CON.KMPX.SV.W.0098.000000T0000Z-120527T0545Z/
DOUGLAS MN-MORRISON MN-STEARNS MN-TODD MN-
1211 AM CDT SUN MAY 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN
TODD...NORTHWESTERN STEARNS...SOUTHWESTERN MORRISON AND SOUTHEASTERN
DOUGLAS COUNTIES UNTIL 1245 AM CDT...

AT 1206 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 5 MILES WEST OF SAUK
CENTRE TO MELROSE TO 5 MILES SOUTHEAST OF HOLDINGFORD...MOVING
NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  HOLDINGFORD...PLEASANT BEACH...LITTLE SAUK...NORTH SHORE...GREY
  EAGLE...UPSALA...ELMDALE...SWANVILLE...SOBIESKI...BOWLUS AND
  BURTRUM.

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 4591 9429 4592 9422 4560 9457 4563 9514
      4576 9515 4576 9534 4599 9505
TIME...MOT...LOC 0510Z 243DEG 27KT 4577 9502 4573 9477
          4570 9435
WIND...HAIL <50MPH 1.00IN

$$
002 
WWUS53 KMPX 270527
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1227 AM CDT SUN MAY 27 2012

MNC041-145-270541-
/O.CAN.KMPX.SV.W.0098.000000T0000Z-120527T0545Z/
DOUGLAS MN-STEARNS MN-
1227 AM CDT SUN MAY 27 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN STEARNS AND
SOUTHEASTERN DOUGLAS COUNTIES IS CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE 
WARNED AREA.

LAT...LON 4592 9441 4591 9429 4592 9422 4577 9438
      4577 9507 4578 9514 4599 9505
TIME...MOT...LOC 0526Z 243DEG 27KT 4582 9487 4578 9462
          4575 9420

$$

MNC097-153-270545-
/O.CON.KMPX.SV.W.0098.000000T0000Z-120527T0545Z/
MORRISON MN-TODD MN-
1227 AM CDT SUN MAY 27 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTHERN TODD
AND SOUTHWESTERN MORRISON COUNTIES UNTIL 1245 AM CDT...

AT 1223 AM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THESE
STORMS WERE LOCATED ALONG A LINE EXTENDING FROM LITTLE SAUK TO UPSALA
TO RICE...MOVING NORTHEAST AT 30 MPH.

LOCATIONS IMPACTED INCLUDE...
  GREY EAGLE...UPSALA...ELMDALE...SWANVILLE...SOBIESKI...BOWLUS AND
  BURTRUM.

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 4592 9441 4591 9429 4592 9422 4577 9438
      4577 9507 4578 9514 4599 9505
TIME...MOT...LOC 0526Z 243DEG 27KT 4582 9487 4578 9462
          4575 9420
WIND...HAIL <50MPH 1.00IN

$$

BAP

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 9:50 PM CDTRiver Flood WarningMPXCarver8 days
May 26, 10:30 PM CDTSpecial Weather StatementMPXBenton, Chisago, Isanti60 min
May 26, 11:03 PM CDTSpecial Weather StatementMPXDouglas, Pope, Stearns, Stevens57 min
May 26, 11:11 PM CDTSevere Thunderstorm WarningMPXPope, Stearns49 min
May 27, 12:41 AM CDTSpecial Weather StatementMPXKanabec, Mille Lacs64 min
May 27, 12:52 AM CDTSpecial Weather StatementMPXMorrison53 min
May 27, 1:44 AM CDTSevere Thunderstorm WarningMPXKanabec, Mille Lacs44 min
May 27, 2:03 AM CDTFlash Flood WarningMPXKanabec, Mille Lacs, Morrison3 hr
May 27, 3:32 AM CDTFlash Flood WatchMPXAnoka, Benton, Blue Earth, Brown, Carver, Chisago and 22 more26 hr
May 27, 9:08 AM CDTRiver Flood WatchMPXGoodhue50 hr
May 27, 9:08 AM CDTRiver Flood WatchMPXDakota, Hennepin, Scott5 days
May 27, 9:08 AM CDTRiver Flood WatchMPXWright50 hr
May 27, 9:08 AM CDTRiver Flood WatchMPXHennepin, Wright47 hr
May 27, 9:08 AM CDTRiver Flood WatchMPXBenton, Sherburne, Stearns3 days
May 27, 9:08 AM CDTRiver Flood WatchMPXAnoka, Hennepin50 hr
May 27, 9:08 AM CDTRiver Flood WatchMPXDakota, Ramsey, Washington3 days
May 27, 9:08 AM CDTRiver Flood WatchMPXDakota, Washington53 hr
May 27, 9:08 AM CDTRiver Flood WatchMPXGoodhue51 hr
May 27, 5:07 PM CDTSpecial Weather StatementMPXFaribault, Steele, Waseca38 min
May 27, 6:11 PM CDTSevere Thunderstorm WarningMPXChisago49 min
May 27, 6:38 PM CDTSpecial Weather StatementMPXLe Sueur52 min
May 27, 6:45 PM CDTSpecial Weather StatementMPXRenville30 min
May 27, 6:57 PM CDTSevere Thunderstorm WarningMPXLe Sueur, Rice, Scott48 min

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.