Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 13, NWS Twin Cities, MN

April 10, 20054 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Apr 10, 2005, 9:31 AM CDT for 4 counties in Minnesota. It was in force for 44 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
Apr 10, 2005, 9:31 AM CDT (14:31 UTC)
Expired
Apr 10, 2005, 10:15 AM CDT
In force
44 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Blue Earth County, MN, Brown County, MN, Nicollet County, MN, Watonwan County, MN

The radar

The Minneapolis radar (KMPX), 100 km from the middle of the area, began a volume at 14:34 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 12:00Z, 2.5 hours before the alert went out and 98 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 2005-04-10Temperature 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, Minneapolis, MN at 12:00Z on 2005-04-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 141 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
1416 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
141 m²/s²
0-3 km storm-relative helicity
139 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 101434
SVRMPX
MNC013-015-103-165-101515-
/O.NEW.KMPX.SV.W.0013.050410T1431Z-050410T1515Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
931 AM CDT SUN APR 10 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA
  BLUE EARTH COUNTY IN SOUTH CENTRAL MINNESOTA
  WATONWAN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 1015 AM CDT

* AT 922 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL. THESE STORMS WERE
  LOCATED ALONG A LINE EXTENDING FROM 20 MILES WEST OF MADELIA TO 15
  MILES SOUTHEAST OF MADELIA...OR ALONG A LINE EXTENDING FROM 13
  MILES NORTHWEST OF ST JAMES TO 17 MILES SOUTHWEST OF MANKATO...AND
  MOVING NORTH AT 25 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MADELIA.
  NEW ULM.

LAT...LON 4404 9463 4398 9437 4444 9406 4443 9441

$$
2 follow-up statements
000 
WWUS53 KMPX 101454
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
953 AM CDT SUN APR 10 2005

MNC013-015-103-165-101515-
/O.CON.KMPX.SV.W.0013.000000T0000Z-050410T1515Z/
BROWN MN-NICOLLET MN-BLUE EARTH MN-WATONWAN MN-
953 AM CDT SUN APR 10 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 1015 AM CDT FOR
NORTHEASTERN WATONWAN...NORTHWESTERN BLUE EARTH...CENTRAL NICOLLET
AND SOUTHEASTERN BROWN COUNTIES...

AT 944 AM CDT...DOPPLER RADAR IN CHANHASSEN CONTINUED TO INDICATE A 
LINE OF SEVERE THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL.  
THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM LA SALLE TO 
KLOSSNER...OR ALONG A LINE EXTENDING FROM ST JAMES TO 9 MILES 
NORTHEAST OF NEW ULM...MOVING NORTH AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE NORSELAND...CREDIT RIVER...
NICOLLET...NEW ULM...MADELIA...HANSKA AND COURTLAND.

LAT...LON 4404 9463 4398 9437 4444 9406 4443 9441

$$
000 
WWUS53 KMPX 101514
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1014 AM CDT SUN APR 10 2005

MNC013-015-103-165-101524-
/O.CAN.KMPX.SV.W.0013.000000T0000Z-050410T1515Z/
BROWN MN-NICOLLET MN-BLUE EARTH MN-WATONWAN MN-
1014 AM CDT SUN APR 10 2005

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN WATONWAN...
NORTHWESTERN BLUE EARTH...CENTRAL NICOLLET AND SOUTHEASTERN BROWN
COUNTIES IS CANCELLED...

RADAR INDICATED THAT THE STORM HAD WEAKENED TO BELOW SEVERE LIMITS.
THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4404 9463 4398 9437 4444 9406 4443 9441

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 9, 10:23 PM CDTSevere Thunderstorm WarningMPXLac qui Parle, Swift38 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2005Every severe thunderstorm warning in 2005

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.