Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 92, NWS Twin Cities, MN

June 10, 2007Benton County, Morrison County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 2007, 6:23 PM CDT for Benton County, Morrison County, Minnesota. It was in force for 67 min. 2 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 10, 2007, 6:23 PM CDT (23:23 UTC)
Expired: Jun 10, 2007, 7:30 PM CDT
In force: 67 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Benton County, MN, Morrison County, MN

The radar

The Minneapolis radar (KMPX), 119 km from the middle of the area, began a volume at 23:23 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 10, 6:30 PM CDT	HAIL 1	7 Nw Rice, MN
Jun 10, 6:30 PM CDT	HAIL 1	Royalton, 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, 11.4 hours before the alert went out and 118 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: 1 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1937 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 64 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 102323
SVRMPX
MNC009-097-110030-
/O.NEW.KMPX.SV.W.0092.070610T2323Z-070611T0030Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
623 PM CDT SUN JUN 10 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MORRISON COUNTY IN CENTRAL MINNESOTA...
  BENTON COUNTY IN CENTRAL MINNESOTA...

* UNTIL 730 PM CDT

* AT 619 PM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE           
  THUNDERSTORMS...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND 60 
  MPH WINDS.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING       
  FROM 9 MILES WEST OF ROYALTON TO 19 MILES SOUTHWEST OF             
  FOLEY...AND  MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  LITTLE FALLS...
  ROYALTON...
  PIERZ...
  FOLEY...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4600 9466 4574 9420 4556 9412 4558 9376
      4604 9383

$$

JPR

1 follow-up statement

000 
WWUS53 KMPX 102359
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
658 PM CDT SUN JUN 10 2007

MNC009-097-110030-
/O.CON.KMPX.SV.W.0092.000000T0000Z-070611T0030Z/
MORRISON MN-BENTON MN-
658 PM CDT SUN JUN 10 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 730 PM CDT
FOR BENTON AND MORRISON COUNTIES...

AT 657 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A LINE OF SEVERE 
THUNDERSTORMS...CAPABLE OF PRODUCING QUARTER SIZE HAIL AND  60 MPH 
WINDS.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM PIERZ 
TO LITTLE ROCK...AND MOVING EAST AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE RUM RIVER...MORRILL...LITTLE
ROCK...PIERZ...HILLMAN...GENOLA AND BUCKMAN.

LAT...LON 4596 9436 4574 9420 4571 9417 4576 9378
      4604 9383

$$

JPR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 2:12 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	48 min
Jun 10, 2:56 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	64 min
Jun 10, 3:24 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville	51 min
Jun 10, 3:54 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	32 min
Jun 10, 4:00 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	60 min
Jun 10, 4:10 PM CDT	Severe Thunderstorm Warning	MPX	McLeod, Meeker	50 min
Jun 10, 4:36 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Swift	54 min
Jun 10, 4:39 PM CDT	Severe Thunderstorm Warning	MPX	Wright	36 min
Jun 10, 4:52 PM CDT	Flash Flood Warning	MPX	Lac qui Parle	113 min
Jun 10, 4:53 PM CDT	Severe Thunderstorm Warning	MPX	Stevens, Swift	67 min
Jun 10, 5:01 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	33 min
Jun 10, 5:02 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	58 min
Jun 10, 5:30 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	60 min
Jun 10, 5:41 PM CDT	Severe Thunderstorm Warning	MPX	Pope	64 min
Jun 10, 6:03 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	41 min
Jun 10, 6:20 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	55 min
Jun 10, 6:30 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	20 min
Jun 10, 6:41 PM CDT	Severe Thunderstorm Warning	MPX	Stearns, Todd	23 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2007 Every severe thunderstorm warning in 2007

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.