Alert archive / Minnesota / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 320, NWS Twin Cities, MN

September 3, 2005Hennepin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Sep 3, 2005, 4:33 PM CDT for Hennepin County, Minnesota. It was in force for 51 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
Sep 3, 2005, 4:33 PM CDT (21:33 UTC)
Expired
Sep 3, 2005, 5:24 PM CDT
In force
51 min
Issued by
NWS Twin Cities, MN
Area
Counties, with a storm outline in the text

County Hennepin County, MN

The radar

The Minneapolis radar (KMPX), 13 km from the middle of the area, began a volume at 21:33 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
Sep 3, 2:20 PM CDTSevere Thunderstorm WatchSPC6 hr

The nearest sounding before it

Aberdeen, SD (KABR), launched 12:00Z, 9.6 hours before the alert went out and 384 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, Aberdeen, SD at 12:00Z on 2005-09-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 713 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 12:00Z on 2005-09-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 203 square meters per square second.193958Sfc1 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
713 J/kg
Mixed-layer CIN
-297 J/kg
Mixed-layer LCL
1214 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
203 m²/s²
0-3 km storm-relative helicity
210 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.3

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 032134
SVRMPX
MNC053-032230-
/O.NEW.KMPX.SV.W.0320.050903T2133Z-050903T2230Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
433 PM CDT SAT SEP 3 2005

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA

* UNTIL 530 PM CDT

* AT 428 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.
  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM WATERTOWN TO 
  LORETTO. THE STORMS WERE MOVING SOUTHEAST AT 40 MPH. 

* LOCATIONS IMPACTED INCLUDE...
  EXCELSIOR...
  PLYMOUTH...
  MINNETONKA...
  THE LAKE MINNETONKA AREA...
  ST LOUIS PARK...
  EDEN PRAIRIE...
  MINNEAPOLIS...
  BLOOMINGTON...

LAT...LON 4512 9367 4506 9375 4491 9376 4490 9352
      4483 9350 4480 9335 4487 9322 4501 9322

$$

RAH
1 follow-up statement
000 
WWUS53 KMPX 032224
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
523 PM CDT SAT SEP 3 2005

MNC053-032233-
/O.CAN.KMPX.SV.W.0320.000000T0000Z-050903T2230Z/
HENNEPIN MN-
523 PM CDT SAT SEP 3 2005

...THE SEVERE THUNDERSTORM WARNING FOR HENNEPIN COUNTY IS
CANCELLED...

THE LINE OF SEVERE THUNDERSTORMS HAS MOVED OUT OF HENNEPIN COUNTY. 

LAT...LON 4512 9367 4506 9375 4491 9376 4490 9352
      4483 9350 4480 9335 4487 9322 4501 9322

$$

BAP

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 3, 1:12 PM CDTSevere Thunderstorm WarningMPXKandiyohi48 min
Sep 3, 1:59 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Meeker31 min
Sep 3, 2:13 PM CDTSevere Thunderstorm WarningMPXStearns62 min
Sep 3, 2:46 PM CDTFlash Flood WarningMPXStearns4 hr
Sep 3, 2:58 PM CDTSevere Thunderstorm WarningMPXDouglas62 min
Sep 3, 3:06 PM CDTSevere Thunderstorm WarningMPXKandiyohi39 min
Sep 3, 3:13 PM CDTSevere Thunderstorm WarningMPXStearns62 min
Sep 3, 3:22 PM CDTTornado WarningMPXMeeker23 min
Sep 3, 3:44 PM CDTTornado WarningMPXMeeker39 min
Sep 3, 3:58 PM CDTSevere Thunderstorm WarningMPXMcLeod, Wright62 min
Sep 3, 4:13 PM CDTSevere Thunderstorm WarningMPXStearns62 min
Sep 3, 4:19 PM CDTSevere Thunderstorm WarningMPXCarver56 min
Sep 3, 4:24 PM CDTSevere Thunderstorm WarningMPXSibley55 min
Sep 3, 4:45 PM CDTSevere Thunderstorm WarningMPXTodd60 min
Sep 3, 4:46 PM CDTSevere Thunderstorm WarningMPXScott54 min
Sep 3, 5:02 PM CDTSevere Thunderstorm WarningMPXLe Sueur46 min
Sep 3, 5:06 PM CDTSevere Thunderstorm WarningMPXRice54 min
Sep 3, 5:36 PM CDTSevere Thunderstorm WarningMPXGoodhue, Steele54 min
Sep 3, 5:55 PM CDTSevere Thunderstorm WarningMPXStearns65 min
Sep 3, 6:25 PM CDTFlash Flood WarningMPXStearns3 hr
Sep 3, 6:56 PM CDTSevere Thunderstorm WarningMPXStearns64 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.