Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 20, NWS Twin Cities, MN

May 5, 20054 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 5, 2005, 5:47 PM CDT for 4 counties in Minnesota. It was in force for 43 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, 2005, 5:47 PM CDT (22:47 UTC)
Expired
May 5, 2005, 6:30 PM CDT
In force
43 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

Counties Brown County, MN, Nicollet County, MN, Renville County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 86 km from the middle of the area, began a volume at 22:47 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, 10.8 hours before the alert went out and 84 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 2005-05-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 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 2005-05-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 103 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
1732 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
103 m²/s²
0-3 km storm-relative helicity
115 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 052251
SVRMPX
MNC015-103-129-143-052330-
/O.NEW.KMPX.SV.W.0020.050505T2247Z-050505T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
547 PM CDT THU MAY 5 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  RENVILLE COUNTY IN CENTRAL MINNESOTA
  SIBLEY COUNTY IN CENTRAL MINNESOTA
  BROWN COUNTY IN SOUTH CENTRAL MINNESOTA
  NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 630 PM CDT

* AT 539 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE 
THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. 
THESE STORMS WERE LOCATED 28 MILES WEST OF GAYLORD...OR ABOUT 17 
MILES EAST OF REDWOOD FALLS...AND MOVING EAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  GAYLORD...
  BERNADOTTE...
  ST GEORGE...
  NICOLLET...
  
THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4464 9484 4443 9489 4424 9407 4459 9408

$$
1 follow-up statement
000 
WWUS53 KMPX 052320
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
616 PM CDT THU MAY 5 2005

MNC015-103-129-143-052330-
/O.CON.KMPX.SV.W.0020.000000T0000Z-050505T2330Z/
RENVILLE MN-SIBLEY MN-BROWN MN-NICOLLET MN-
616 PM CDT THU MAY 5 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 630 PM CDT FOR
NICOLLET...BROWN...SIBLEY AND RENVILLE COUNTIES...

AT 614 PM...DIME SIZE HAIL WAS REPORTED BY STORM SPOTTERS IN 
LAFAYETTE...ABOUT 25 MILES NORTHWEST OF MANKATO. THIS STORM WAS 
MOVING SOUTHEAST AT 20 MPH TOWARDS NICOLLET.

AT 614 PM...DOPPLER RADAR ALSO INDICATED A STORM CAPABLE OF 
PRODUCING LARGE HAIL 10 MILES SOUTH OF FAIRFAX. THIS STORM WAS 
MOVING TO THE SOUTHEAST TOWARD SLEEPY EYE AND NEW ULM.

LAT...LON 4464 9484 4443 9489 4424 9407 4459 9408

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 5, 3:32 PM CDTSevere Thunderstorm WarningMPXRenville33 min
May 5, 4:32 PM CDTSevere Thunderstorm WarningMPXRenville43 min
May 5, 6:33 PM CDTSevere Thunderstorm WarningMPXBrown57 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.