Alert archive / Minnesota / Tornado Warnings in 2005

Tornado Warning 1, NWS Twin Cities, MN

March 30, 2005Goodhue County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Mar 30, 2005, 2:28 PM CST for Goodhue County, Minnesota. It was in force for 32 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, 2:28 PM CST (20:28 UTC)
Expired
Mar 30, 2005, 3:00 PM CST
In force
32 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Goodhue County, MN

The radar

The Minneapolis radar (KMPX), 90 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.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 30, 2:15 PM CSTTornado WatchSPC6 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 8.5 hours before the alert went out and 348 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, Davenport, at 12:00Z on 2005-03-30Temperature 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, Davenport, at 12:00Z on 2005-03-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 140 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
1316 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
140 m²/s²
0-3 km storm-relative helicity
316 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.7

Open this sounding in Storm Lab

The text

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

000 
WFUS53 KMPX 302029
TORMPX
MNC049-302100-
/O.NEW.KMPX.TO.W.0001.050330T2028Z-050330T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
228 PM CST WED MAR 30 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  GOODHUE COUNTY IN SOUTHEAST MINNESOTA

* UNTIL 300 PM CST

* AT 225 PM CST...RADAR INDICATED A STORM CAPABLE OF PRODUCING A   
TORNADO...NEAR ZUMBROTA...MOVING NORTHEAST AT 15 MPH.  

* LOCATIONS IMPACTED INCLUDE...
  BELLECHESTER.
  GOODHUE.
  PINE ISLAND.
  WANAMINGO.
  ZUMBROTA.
  BOMBAY.

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

LAT...LON 4427 9294 4413 9279 4431 9240 4449 9259

$$
1 follow-up statement
000 
WWUS53 KMPX 302049
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
246 PM CST WED MAR 30 2005

MNC049-302100-
/O.CON.KMPX.TO.W.0001.000000T0000Z-050330T2100Z/
GOODHUE MN-
246 PM CST WED MAR 30 2005

...A TORNADO WARNING CONTINUES UNTIL 300 PM CST FOR GOODHUE COUNTY...

AT 242 PM CST...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THE SEVERE THUNDERSTORM
WAS LOCATED NEAR GOODHUE...OR ABOUT 15 MILES SOUTH OF RED WING...
MOVING NORTHEAST AT 20 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE GOODHUE...WHITE WILLOW AND 
BELLECHESTER.

AT 240 PM...POLICE REPORTED GOLFBALL SIZE HAIL NEAR THE TOWN OF 
ZUMBROTA ALONG HIGHWAY 52. 

WHEN A TORNADO WARNING IS ISSUED BASED ON DOPPLER RADAR...IT MEANS
THAT STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY
ALREADY BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

LAT...LON 4427 9294 4413 9279 4431 9240 4449 9259

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 30, 4:50 AM CSTSevere Thunderstorm WarningMPXMartin25 min
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, 2:59 PM CSTTornado WarningMPXGoodhue31 min
Mar 30, 3:26 PM CSTSevere Thunderstorm WarningMPXGoodhue64 min

Nearby

Tornado Warnings in Minnesota, 2005Every tornado warning in 2005Tornadoes 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.