Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 50, NWS Twin Cities, MN

May 30, 2008Blue Earth County, Le Sueur County, Rice County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 30, 2008, 3:27 PM CDT for Blue Earth County, Le Sueur County, Rice County, Minnesota. It was in force for 63 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 30, 2008, 3:27 PM CDT (20:27 UTC)
Expired
May 30, 2008, 4:30 PM CDT
In force
63 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon

Counties Blue Earth County, MN, Le Sueur County, MN, Rice County, MN

The radar

The Minneapolis radar (KMPX), 54 km from the middle of the area, began a volume at 20:29 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.

What was reported inside it

TimeReportWhereRemark
May 30, 3:30 PM CDTHAIL 0.752 E Cleveland, MN
May 30, 3:37 PM CDTHAIL 0.75Montgomery, MN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.5 hours before the alert went out and 54 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 12:00Z on 2008-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 12 joules per kilogram.LCLLFCEL10008507005003002001001 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 12:00Z on 2008-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 150 square meters per square second.1939587897117Sfc1 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
12 J/kg
Mixed-layer CIN
-413 J/kg
Mixed-layer LCL
505 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
150 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.1

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 302027
SVRMPX
MNC013-079-131-302130-
/O.NEW.KMPX.SV.W.0050.080530T2027Z-080530T2130Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
327 PM CDT FRI MAY 30 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  LE SUEUR COUNTY IN SOUTH CENTRAL MINNESOTA...
  RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
  EXTREME NORTHEASTERN BLUE EARTH COUNTY IN SOUTH CENTRAL
  MINNESOTA...

* UNTIL 430 PM CDT

* AT 325 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 5 MILES SOUTHWEST OF LE   
CENTER OR JUST EAST OF CLEVELAND...AND MOVING EAST AT 24 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LE CENTER...
  MONTGOMERY...
  LONSDALE...
  MORRISTOWN...
  NORTHFIELD...
  FARIBAULT...

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

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4446 9310 4420 9321 4425 9393 4450 9385
TIME...MOT...LOC 2027Z 279DEG 20KT 4432 9378

$$

MDB
2 follow-up statements
000 
WWUS53 KMPX 302033
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
331 PM CDT FRI MAY 30 2008

MNC013-302041-
/O.CAN.KMPX.SV.W.0050.000000T0000Z-080530T2130Z/
BLUE EARTH MN-
331 PM CDT FRI MAY 30 2008

...THE SEVERE THUNDERSTORM WARNING FOR EXTREME NORTHEASTERN BLUE 
EARTH COUNTY IS CANCELLED BUT A SEVERE THUNDERSTORM WARNING REMAINS 
IN EFFECT FOR CENTRAL BLUE EARTH COUNTY...

DOPPLER RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED OR MOVED
OUT OF THE WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING
HAS BEEN CANCELLED.

LAT...LON 4426 9392 4450 9385 4446 9311 4445 9311
      4439 9314 4437 9314 4422 9320 4420 9322
TIME...MOT...LOC 2031Z 279DEG 20KT 4431 9375

$$

MNC079-131-302130-
/O.CON.KMPX.SV.W.0050.000000T0000Z-080530T2130Z/
LE SUEUR MN-RICE MN-
331 PM CDT FRI MAY 30 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR RICE AND LE SUEUR COUNTIES...

AT 329 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THIS SEVERE THUNDERSTORM WAS LOCATED 3
MILES EAST OF CLEVELAND...OR ABOUT 5 MILES SOUTH OF LE CENTER...AND 
MOVING EAST AT 23 MPH. ADDITIONAL THUNDERSTORMS CAPABLE OF PRODUCING 
PENNEY SIZE HAIL WERE MOVING EAST ACROSS CENTRAL LE SUEUR COUNTY AND 
INTO CENTRAL RICE COUNTY FROM EAST OF LE CENTER TO BETWEEN 
MONTGOMERY AND KILKENNY.

OTHER LOCATIONS IN THE WARNING INCLUDE WARSAW...ST THOMAS...ST
HENRY...BRIDGEWATER...NORTHFIELD...MORRISTOWN...MONTGOMERY...
LONSDALE...LE CENTER AND KILKENNY.

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

LAT...LON 4426 9392 4450 9385 4446 9311 4445 9311
      4439 9314 4437 9314 4422 9320 4420 9322
TIME...MOT...LOC 2031Z 279DEG 20KT 4431 9375

$$

MDB
000 
WWUS53 KMPX 302110
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
410 PM CDT FRI MAY 30 2008

MNC079-302120-
/O.CAN.KMPX.SV.W.0050.000000T0000Z-080530T2130Z/
LE SUEUR MN-
410 PM CDT FRI MAY 30 2008

...THE SEVERE THUNDERSTORM WARNING FOR LE SUEUR COUNTY IS
CANCELLED...

DOPPLER RADAR INDICATED THAT THE SEVERE STORM HAD WEAKENED OR MOVED
OUT OF THE WARNED AREA. THEREFORE...THE SEVERE THUNDERSTORM WARNING
HAS BEEN CANCELLED.

LAT...LON 4421 9341 4422 9342 4422 9353 4446 9350
      4446 9311 4427 9318 4426 9319 4422 9320
      4420 9322
TIME...MOT...LOC 2110Z 279DEG 20KT 4427 9345

$$

MNC131-302130-
/O.CON.KMPX.SV.W.0050.000000T0000Z-080530T2130Z/
RICE MN-
410 PM CDT FRI MAY 30 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM CDT
FOR RICE COUNTY...

AT 407 PM CDT... QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60
MPH.  THIS SEVERE THUNDERSTORM WAS LOCATED 4 MILES NORTH OF
MORRISTOWN...AND MOVING EAST AT 23 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE WARSAW...BRIDGEWATER...
NORTHFIELD...MORRISTOWN...FARIBAULT AND DUNDAS.

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

LAT...LON 4421 9341 4422 9342 4422 9353 4446 9350
      4446 9311 4427 9318 4426 9319 4422 9320
      4420 9322
TIME...MOT...LOC 2110Z 279DEG 20KT 4427 9345

$$

MDB

The office that day

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

IssuedProductOfficeCountiesLasted
May 29, 9:11 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Martin, Watonwan49 min
May 29, 9:41 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Redwood, Renville16 min
May 30, 1:40 PM CDTSevere Thunderstorm WarningMPXBrown, Redwood50 min
May 30, 1:56 PM CDTSevere Thunderstorm WarningMPXBrown49 min
May 30, 2:20 PM CDTSevere Thunderstorm WarningMPXWatonwan40 min
May 30, 2:44 PM CDTSevere Thunderstorm WarningMPXBrown31 min
May 30, 2:58 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Watonwan47 min
May 30, 3:06 PM CDTSevere Thunderstorm WarningMPXPope, Stevens54 min
May 30, 3:14 PM CDTSevere Thunderstorm WarningMPXStevens46 min
May 30, 3:24 PM CDTTornado WarningMPXPope36 min
May 30, 3:32 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Swift58 min
May 30, 3:36 PM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Martin, Watonwan54 min
May 30, 3:47 PM CDTSevere Thunderstorm WarningMPXSteele28 min
May 30, 3:51 PM CDTSevere Thunderstorm WarningMPXPope39 min
May 30, 3:58 PM CDTTornado WarningMPXPope27 min
May 30, 4:03 PM CDTSevere Thunderstorm WarningMPXRice27 min
May 30, 4:07 PM CDTSevere Thunderstorm WarningMPXBrown, Nicollet53 min
May 30, 4:23 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Pope, Stearns, Swift52 min
May 30, 4:26 PM CDTSevere Thunderstorm WarningMPXFaribault, Freeborn51 min
May 30, 4:33 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod57 min
May 30, 4:44 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker61 min
May 30, 4:58 PM CDTSevere Thunderstorm WarningMPXNicollet62 min
May 30, 5:02 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Scott, Sibley43 min
May 30, 5:40 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Meeker, Wright50 min
May 30, 5:45 PM CDTSevere Thunderstorm WarningMPXCarver, Scott, Sibley45 min
May 30, 6:38 PM CDTSevere Thunderstorm WarningMPXCarver, McLeod37 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2008Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.