Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 1, NWS Twin Cities, MN

March 30, 2005Martin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Mar 30, 2005, 4:50 AM CST for Martin County, Minnesota. It was in force for 25 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
Mar 30, 2005, 4:50 AM CST (10:50 UTC)
Expired
Mar 30, 2005, 5:15 AM CST
In force
25 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Martin County, MN

The radar

The Sioux Falls radar (KFSD), 159 km from the middle of the area, began a volume at 10:50 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, 10.8 hours before the alert went out and 162 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 2005-03-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 260 joules per kilogram.LCLLFCEL10008507005003002001001 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 00:00Z on 2005-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 117 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
260 J/kg
Mixed-layer CIN
-56 J/kg
Mixed-layer LCL
2491 m above ground
0-6 km bulk shear
56 kt
0-1 km storm-relative helicity
117 m²/s²
0-3 km storm-relative helicity
163 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.

000 
WUUS53 KMPX 301051
SVRMPX
MNC091-301115-
/O.NEW.KMPX.SV.W.0001.050330T1050Z-050330T1115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
450 AM CST WED MAR 30 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

SEVERE THUNDERSTORM WARNING FOR...
  MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA

* UNTIL 515 AM CST

* AT 449 AM CST...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED NEAR
  SHERBURN...OR ABOUT 12 MILES EAST OF JACKSON...AND MOVING NORTH AT
  40 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CEYLON.
  DUNNELL.
  SHERBURN.
  TRIMONT.
  WELCOME.
  
LAT...LON 4353 9488 4352 9463 4384 9454 4385 9485

$$
JPR
1 follow-up statement
000 
WWUS53 KMPX 301101
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
500 AM CST WED MAR 30 2005

MNC091-301115-
/O.CON.KMPX.SV.W.0001.000000T0000Z-050330T1115Z/
MARTIN MN-
500 AM CST WED MAR 30 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 515 AM CST FOR
WESTERN MARTIN COUNTY...

AT 457 AM CST...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS 
LOCATED NEAR TRIMONT...OR ABOUT 14 MILES NORTHWEST OF 
FAIRMONT...MOVING NORTH AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE FOXLAKE...WELCOME...
SHERBURN...DUNNELL AND CEYLON.

LAT...LON 4353 9488 4352 9463 4384 9454 4385 9485

$$
JPR

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 5:06 AM CSTSevere Thunderstorm WarningMPXMartin, Watonwan28 min
Mar 30, 6:46 AM CSTSevere Thunderstorm WarningMPXMcLeod, Meeker44 min
Mar 30, 12:39 PM CSTSevere Thunderstorm WarningMPXSteele36 min
Mar 30, 1:50 PM CSTSevere Thunderstorm WarningMPXGoodhue40 min
Mar 30, 2:28 PM CSTTornado WarningMPXGoodhue32 min
Mar 30, 2:59 PM CSTTornado WarningMPXGoodhue31 min
Mar 30, 3:26 PM CSTSevere Thunderstorm WarningMPXGoodhue64 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.