Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 89, NWS Twin Cities, MN

June 5, 2008Sibley County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 5, 2008, 3:30 PM CDT for Sibley County, Minnesota. It was in force for 30 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: Jun 5, 2008, 3:30 PM CDT (20:30 UTC)
Expired: Jun 5, 2008, 4:00 PM CDT
In force: 30 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

County Sibley County, MN

The radar

The Minneapolis radar (KMPX), 63 km from the middle of the area, began a volume at 20:32 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, 3:38 PM CDT	HAIL 0.75	8 Se Gaylord, 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 61 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 052030
SVRMPX
MNC143-052100-
/O.NEW.KMPX.SV.W.0089.080605T2030Z-080605T2100Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SIBLEY COUNTY IN CENTRAL MINNESOTA...

* UNTIL 400 PM CDT

* AT 328 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 3 MILES SOUTH OF GAYLORD...OR ABOUT 17      
  MILES NORTHWEST OF ST PETER...AND MOVING NORTHEAST AT 50 MPH.

* SOME LOCATIONS INCLUDE...
  ARLINGTON...
  GAYLORD...

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 4446 9420 4446 9432 4454 9435 4465 9417
      4455 9397 4445 9411 4445 9420
TIME...MOT...LOC 2030Z 230DEG 46KT 4453 9417

$$

LS

2 follow-up statements

000 
WWUS53 KMPX 052040
SVSMPX

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

MNC143-052100-
/O.CON.KMPX.SV.W.0089.000000T0000Z-080605T2100Z/
SIBLEY MN-
339 PM CDT THU JUN 5 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT 
FOR SIBLEY COUNTY...

AT 338 PM CDT...PENNY SIZE HAIL WAS REPORTED EIGHT MILES SOUTHEAST 
OF GAYLORD WITH THIS STORM.

AT 336 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 NEAR
ARLINGTON...OR ABOUT 2 MILES SOUTH OF ARLINGTON...AND MOVING
NORTHEAST AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE NEW ROME...NEW SWEDEN...
GAYLORD AND ARLINGTON.

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 4446 9420 4446 9432 4454 9435 4465 9417
      4455 9397 4445 9411 4445 9420
TIME...MOT...LOC 2039Z 230DEG 46KT 4460 9405

$$

LS

000 
WWUS53 KMPX 052043
SVSMPX

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

MNC143-052100-
/O.CON.KMPX.SV.W.0089.000000T0000Z-080605T2100Z/
SIBLEY MN-
344 PM CDT THU JUN 5 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 400 PM CDT 
FOR SIBLEY COUNTY...

AT 340 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 NEAR
ARLINGTON...OR ABOUT 2 MILES EAST OF ARLINGTON...AND MOVING NORTHEAST
AT 50 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE NEW ROME AND ARLINGTON.

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 4445 9420 4446 9418 4465 9417 4461 9410
      4461 9409 4455 9397 4445 9411
TIME...MOT...LOC 2044Z 230DEG 46KT 4464 9398

$$

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, 3:28 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Sibley	32 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.