Alert archive / Minnesota / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 97, NWS Twin Cities, MN

May 26, 2012Pope County, Stearns County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 26, 2012, 11:11 PM CDT for Pope County, Stearns County, Minnesota. It was in force for 49 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, 11:11 PM CDT (04:11 UTC)
Expired
May 27, 2012, 12:00 AM CDT
In force
49 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
1.0 in
Wind
50.0 mph

Counties Pope County, MN, Stearns County, MN

The radar

The Minneapolis radar (KMPX), 145 km from the middle of the area, began a volume at 04:14 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, 4.2 hours before the alert went out and 142 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.

868 
WUUS53 KMPX 270411
SVRMPX
MNC121-145-270500-
/O.NEW.KMPX.SV.W.0097.120527T0411Z-120527T0500Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1111 PM CDT SAT MAY 26 2012

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EAST CENTRAL POPE COUNTY IN WEST CENTRAL MINNESOTA...
  NORTHWESTERN STEARNS COUNTY IN CENTRAL MINNESOTA...

* UNTIL MIDNIGHT CDT

* AT 1110 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 6 MILES WEST OF
  ELROSA...OR ABOUT 17 MILES SOUTHEAST OF GLENWOOD...AND MOVING
  NORTHEAST AT 35 MPH.

LOCATIONS IN THE WARNING INCLUDE...
  ELROSA...
  MEIRE GROVE...
  SAUK CENTRE...
  MELROSE...

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 4577 9507 4568 9474 4541 9506 4552 9528
TIME...MOT...LOC 0411Z 226DEG 30KT 4554 9506
WIND...HAIL <50MPH 1.00IN

$$

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, 11:51 PM CDTSevere Thunderstorm WarningMPXBenton, Douglas, Morrison, Pope, Stearns, Todd54 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.