Alert archive / Minnesota / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 82, NWS Twin Cities, MN

May 31, 2008Goodhue County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 31, 2008, 7:32 PM CDT for Goodhue County, Minnesota. It was in force for 43 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 31, 2008, 7:32 PM CDT (00:32 UTC)
Expired: May 31, 2008, 8:15 PM CDT
In force: 43 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

County Goodhue County, MN

The radar

The Minneapolis radar (KMPX), 85 km from the middle of the area, began a volume at 00:33 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.

What was reported inside it

Time	Report	Where	Remark
May 31, 7:40 PM CDT	HAIL 1.25	4 Ne Wastedo, MN	LASTED UNTIL 750 PM.

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 31, 2:51 PM CDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 0.5 hours before the alert went out and 87 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: 137 J/kg
Mixed-layer CIN: -23 J/kg
Mixed-layer LCL: 2074 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 61 m²/s²
0-3 km storm-relative helicity: 153 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 010032
SVRMPX
MNC049-010115-
/O.NEW.KMPX.SV.W.0082.080601T0032Z-080601T0115Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
732 PM CDT SAT MAY 31 2008

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 815 PM CDT

* AT 728 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...
  CAPABLE OF PRODUCING NICKEL SIZE HAIL AND DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 3 MILES NORTHEAST OF CANNON
  FALLS...AND MOVING SOUTHEAST AT 36 MPH.

* LOCATIONS IMPACTED INCLUDE...
  RED WING...
  KENYON...
  ZUMBROTA...

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.

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4446 9228 4446 9245 4438 9245 4437 9256
      4421 9257 4421 9300 4450 9299 4455 9280
      4463 9280 4464 9273 4469 9272 4461 9260
TIME...MOT...LOC 0032Z 324DEG 31KT 4452 9283

$$

3 follow-up statements

000 
WWUS53 KMPX 010037
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
736 PM CDT SAT MAY 31 2008

MNC049-010115-
/O.CON.KMPX.SV.W.0082.000000T0000Z-080601T0115Z/
GOODHUE MN-
736 PM CDT SAT MAY 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR GOODHUE COUNTY...

AT 730 PM CDT...NICKEL SIZE HAIL WAS REPORTED IN CANNON FALLS
WITH THIS STORM.

AT 733 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS SEVERE
THUNDERSTORM WAS LOCATED 7 MILES NORTH OF WASTEDO...OR ABOUT 2 MILES
EAST OF CANNON FALLS...AND MOVING SOUTHEAST AT 36 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE WELCH...WASTEDO...HADER...
BOMBAY...ZUMBROTA...WANAMINGO...RED WING...KENYON AND GOODHUE.

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

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4446 9228 4446 9245 4438 9245 4437 9256
      4421 9257 4421 9300 4450 9299 4455 9280
      4463 9280 4464 9273 4469 9272 4461 9260
TIME...MOT...LOC 0036Z 334DEG 31KT 4449 9285

$$

000 
WWUS53 KMPX 010054
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
755 PM CDT SAT MAY 31 2008

MNC049-010115-
/O.CON.KMPX.SV.W.0082.000000T0000Z-080601T0115Z/
GOODHUE MN-
755 PM CDT SAT MAY 31 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 815 PM CDT
FOR GOODHUE COUNTY...

AT 750 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE
THUNDERSTORM...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING
WINDS IN EXCESS OF 60 MPH.  THIS SEVERE THUNDERSTORM WAS LOCATED 4
MILES WEST OF GOODHUE...OR ABOUT 6 MILES NORTH OF ZUMBROTA...AND
MOVING SOUTHEAST AT 35 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE WASTEDO...HADER...BOMBAY...
ZUMBROTA...WANAMINGO...RED WING...KENYON AND GOODHUE.

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.

REPORT ANY DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST
LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 4446 9245 4438 9245 4437 9256 4421 9257
      4421 9300 4441 9299 4449 9279 4461 9260
      4446 9229
TIME...MOT...LOC 0055Z 321DEG 31KT 4435 9267

$$

000 
WWUS53 KMPX 010113
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
813 PM CDT SAT MAY 31 2008

MNC049-010123-
/O.EXP.KMPX.SV.W.0082.000000T0000Z-080601T0115Z/
GOODHUE MN-
813 PM CDT SAT MAY 31 2008

...THE SEVERE THUNDERSTORM WARNING FOR GOODHUE COUNTY EXPIRES AT 815
PM CDT...

SEVERE STORMS WERE ABOUT TO MOVE OUT OF THE COUNTY. HOWEVER...MORE
THUNDERSTORMS WERE DEVELOPING IN THE AREA...REMAIN ALERT FOR POSSIBLE
ADDITIONAL WARNINGS.

LAT...LON 4446 9245 4438 9245 4437 9256 4421 9257
      4421 9300 4441 9299 4449 9279 4461 9260
      4446 9229
TIME...MOT...LOC 0113Z 321DEG 31KT 4423 9254

$$

MB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 7:00 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	44 min
May 31, 7:18 PM CDT	Tornado Warning	MPX	Anoka, Ramsey, Washington	30 min
May 31, 7:23 PM CDT	Tornado Warning	MPX	Washington	32 min
May 31, 7:29 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	19 min
May 31, 7:40 PM CDT	Severe Thunderstorm Warning	MPX	Ramsey, Washington	47 min
May 31, 8:21 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	41 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.