Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 28, NWS Twin Cities, MN

May 9, 2006Hennepin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 9, 2006, 10:16 PM CDT for Hennepin County, Minnesota. It was in force for 35 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
May 9, 2006, 10:16 PM CDT (03:16 UTC)
Expired
May 9, 2006, 10:51 PM CDT
In force
35 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), 19 km from the middle of the area, began a volume at 03:18 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.

What was reported inside it

TimeReportWhereRemark
May 9, 10:43 PM CDTHAIL 0.88Minnetonka, MNREPORTED AT FIRE DEPT NEAR INTERSTATE 394 AND CARLSON PARKWAY.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 3.3 hours before the alert went out and 19 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 2006-05-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 7 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 00:00Z on 2006-05-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -2 square meters per square second.1939587897Sfc1 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
7 J/kg
Mixed-layer CIN
-85 J/kg
Mixed-layer LCL
2055 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
-2 m²/s²
0-3 km storm-relative helicity
23 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 100317
SVRMPX
MNC053-100400-
/O.NEW.KMPX.SV.W.0028.060510T0316Z-060510T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1016 PM CDT TUE MAY 9 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 1100 PM CDT

* AT 1013 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING LARGE HAIL. THIS STORM WAS LOCATED 13 MILES
  NORTHWEST OF EXCELSIOR...AND MOVING EAST AT 30 MPH.

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

HAIL UP TO THREE QUARTERS INCHES IN DIAMETER WAS REPORTED IN DELANO 
AT 1014 PM CDT WITH THIS STORM.

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4511 9372 4498 9377 4485 9329 4503 9324

$$
2 follow-up statements
000 
WWUS53 KMPX 100338
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1038 PM CDT TUE MAY 9 2006

MNC053-100400-
/O.CON.KMPX.SV.W.0028.000000T0000Z-060510T0400Z/
HENNEPIN MN-
1038 PM CDT TUE MAY 9 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR HENNEPIN COUNTY...

AT 1035 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING LARGE HAIL...AND THIS STORM WAS
LOCATED NEAR MEDINA...OR ABOUT 6 MILES NORTH OF EXCELSIOR...AND
MOVING EAST AT 30 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE MEDICINE LAKE...HAMEL...
PLYMOUTH...NEW HOPE AND LONG LAKE.

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 4510 9362 4499 9362 4495 9343 4506 9336

$$
000 
WWUS53 KMPX 100351
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1051 PM CDT TUE MAY 9 2006

MNC053-100401-
/O.CAN.KMPX.SV.W.0028.000000T0000Z-060510T0400Z/
HENNEPIN MN-
1051 PM CDT TUE MAY 9 2006

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

RADAR INDICATED THAT THE STORM HAD WEAKENED TO BELOW SEVERE LIMITS.
THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4510 9362 4499 9362 4495 9343 4506 9336

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 9, 7:07 PM CDTSevere Thunderstorm WarningMPXWright38 min
May 9, 9:00 PM CDTSevere Thunderstorm WarningMPXWright45 min
May 9, 9:08 PM CDTSevere Thunderstorm WarningMPXMeeker37 min
May 9, 9:11 PM CDTSevere Thunderstorm WarningMPXIsanti, Kanabec49 min
May 9, 9:43 PM CDTSevere Thunderstorm WarningMPXWright32 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2006Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.