Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 88, NWS Twin Cities, MN

June 5, 2008Carver County, McLeod County, Sibley County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 5, 2008, 3:28 PM CDT for Carver County, McLeod County, Sibley County, Minnesota. It was in force for 32 min. 5 reports 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: Jun 5, 2008, 3:28 PM CDT (20:28 UTC)
Expired: Jun 5, 2008, 4:00 PM CDT
In force: 32 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

Counties Carver County, MN, McLeod County, MN, Sibley County, MN

The radar

The Minneapolis radar (KMPX), 23 km from the middle of the area, began a volume at 20:28 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

Time	Report	Where	Remark
Jun 5, 3:30 PM CDT	HAIL 0.88	Hamburg, MN
Jun 5, 3:40 PM CDT	HAIL 0.75	Waconia, MN
Jun 5, 3:43 PM CDT	HAIL 0.75	Waconia, MN	OCCURED AT HIGHWAY 5 AND 284. HAIL COVERING THE GROUND.
Jun 5, 3:51 PM CDT	HAIL 0.88	Chaska, MN	REPORTED BY OFF DUTY NWS EMPLOYEE.
Jun 5, 4:10 PM CDT	HAIL 0.75	Chaska, MN

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 12:00Z, 8.5 hours before the alert went out and 20 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 588 m above ground
0-6 km bulk shear: 35 kt
0-1 km storm-relative helicity: 70 m²/s²
0-3 km storm-relative helicity: 167 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 052028
SVRMPX
MNC019-085-143-052100-
/O.NEW.KMPX.SV.W.0088.080605T2028Z-080605T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
328 PM CDT THU JUN 5 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EXTREME SOUTHEAST CENTRAL MCLEOD COUNTY IN CENTRAL MINNESOTA...
  CARVER COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHEASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...

* UNTIL 400 PM CDT

* AT 323 PM CDT...RADAR INDICATED A SEVERE THUNDERSTORM...CAPABLE OF
  PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.
  THIS STORM WAS LOCATED NEAR GREEN ISLE...OR ABOUT 23 MILES NORTH   
  OF ST PETER...AND MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS INCLUDE...
  NORWOOD/YOUNG AMERICA...
  COLOGNE...
  MAYER...
  WACONIA...
  CHASKA...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR 
DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY 
STRUCTURE AND STAY AWAY FROM WINDOWS.

LAT...LON 4496 9380 4489 9376 4481 9355 4456 9399
      4466 9418
TIME...MOT...LOC 2028Z 230DEG 43KT 4470 9395

$$

LS

1 follow-up statement

000 
WWUS53 KMPX 052036
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
335 PM CDT THU JUN 5 2008

MNC019-085-143-052100-
/O.CON.KMPX.SV.W.0088.000000T0000Z-080605T2100Z/
MCLEOD MN-CARVER MN-SIBLEY MN-
335 PM CDT THU JUN 5 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT 
FOR SIBLEY...CARVER AND EXTREME SOUTHEAST MCLEOD COUNTIES...

AT 330 PM CDT...NICKEL SIZE HAIL WAS REPORTED IN HAMBURG WITH THIS 
STORM.

AT 332 PM CDT...RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM...
CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS
OF 60 MPH.  THE MOST DANGEROUS PART OF THE STORM WAS LOCATED 3 MILES
EAST OF HAMBURG...OR ABOUT 4 MILES SOUTH OF NORWOOD/YOUNG AMERICA...
AND MOVING NORTHEAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE COATES...WACONIA...PLATO...
NORWOOD/YOUNG AMERICA...MAYER...HAMBURG...GREEN ISLE...COLOGNE AND
CHASKA.

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS AND LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

LAT...LON 4496 9380 4489 9376 4481 9355 4456 9399
      4466 9418
TIME...MOT...LOC 2035Z 230DEG 43KT 4475 9386

$$

LS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 5, 11:36 AM CDT	Flash Flood Watch	MPX	Anoka, Benton, Blue Earth, Brown, Carver, Chippewa and 36 more	17 hr
Jun 5, 1:57 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	48 min
Jun 5, 3:00 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet	45 min
Jun 5, 3:06 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	24 min
Jun 5, 3:30 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	30 min
Jun 5, 3:47 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin	28 min
Jun 5, 3:56 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott, Sibley	34 min
Jun 5, 4:01 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin, Ramsey, Washington	29 min
Jun 5, 4:07 PM CDT	Areal Flood Advisory	MPX	Anoka, Carver, Dakota, Hennepin, Ramsey, Scott	83 min
Jun 5, 4:13 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice, Scott	32 min
Jun 5, 4:22 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Scott	23 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2008 Every severe thunderstorm warning in 2008

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.