Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 6, NWS Twin Cities, MN

March 25, 2007Goodhue County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Mar 25, 2007, 4:43 PM CDT for Goodhue County, Minnesota. It was in force for 47 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 25, 2007, 4:43 PM CDT (21:43 UTC)
Expired
Mar 25, 2007, 5:30 PM CDT
In force
47 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), 83 km from the middle of the area, began a volume at 22:03 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 25, 2:54 PM CDTTornado WatchSPC6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.7 hours before the alert went out and 86 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 2007-03-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 33 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 2007-03-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 232 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
33 J/kg
Mixed-layer CIN
-72 J/kg
Mixed-layer LCL
645 m above ground
0-6 km bulk shear
43 kt
0-1 km storm-relative helicity
232 m²/s²
0-3 km storm-relative helicity
272 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 252143
SVRMPX
MNC049-252230-
/O.NEW.KMPX.SV.W.0006.070325T2143Z-070325T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
443 PM CDT SUN MAR 25 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  GOODHUE COUNTY IN SOUTHEAST MINNESOTA...

* UNTIL 530 PM CDT

* AT 441 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL.DAMAGING WINDS IN EXCESS OF 60 MPH.
   THIS STORM WAS LOCATED 11 MILES SOUTHWEST OF RED WING...OR ABOUT
  10 MILES SOUTHEAST OF CANNON FALLS...AND MOVING NORTHEAST AT 55
  MPH.

* LOCATIONS IMPACTED INCLUDE...
  RED WING...
  GOODHUE
  WHITE ROCK
  ZUMBROTA 

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4446 9291 4427 9282 4430 9258 4434 9257
      4449 9237 4466 9270

$$
RJN/MDB
MB
1 follow-up statement
000 
WWUS53 KMPX 252231
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
527 PM CDT SUN MAR 25 2007

MNC049-252237-
/O.EXP.KMPX.SV.W.0006.000000T0000Z-070325T2230Z/
GOODHUE MN-
530 PM CDT SUN MAR 25 2007

...THE SEVERE THUNDERSTORM WARNING FOR GOODHUE COUNTY EXPIRES AT 530
PM CDT...

THE STORMS THAT PROMPTED THE WARNING HAVE MOVED OUT OF GOODHUE 
COUNTY. SCATTERED THUNDERSTORMS WILL BE POSSIBLE ACROSS THE EXTREME 
EASTERN PORTION OF GOODHUE COUNTY BUT THESE ARE NOT EXPECTED TO BE 
SEVERE AT THIS TIME.

LAT...LON 4446 9291 4427 9282 4430 9258 4434 9257
      4449 9237 4466 9270

$$

MDB

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 25, 4:01 PM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Rice, Steele44 min
Mar 25, 4:25 PM CDTTornado WarningMPXDakota, Washington50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2007Every severe thunderstorm warning in 2007

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.