Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 57, NWS Twin Cities, MN

June 2, 2007Morrison County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 2, 2007, 6:07 PM CDT for Morrison County, Minnesota. It was in force for 23 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 2, 2007, 6:07 PM CDT (23:07 UTC)
Expired: Jun 2, 2007, 6:30 PM CDT
In force: 23 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Morrison County, MN

The radar

The Minneapolis radar (KMPX), 133 km from the middle of the area, began a volume at 23:08 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 2, 6:10 PM CDT	HAIL 0.75	Little Falls, MN	HEAVY RAIN ALSO OCCURRING.

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, 11.1 hours before the alert went out and 132 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: 774 m above ground
0-6 km bulk shear: 37 kt
0-1 km storm-relative helicity: -44 m²/s²
0-3 km storm-relative helicity: 10 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 022308
SVRMPX
MNC097-022330-
/O.NEW.KMPX.SV.W.0057.070602T2307Z-070602T2330Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
607 PM CDT SAT JUN 2 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

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

* UNTIL 630 PM CDT

* AT 602 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...   
  CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS STORM WAS LOCATED    
  NEAR LITTLE FALLS...AND MOVING  SOUTH AT 25   MPH.

* LOCATIONS IMPACTED INCLUDE...
  SOBIESKI...
  BOWLES...
  UPSALA...

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.

LAT...LON 4601 9420 4605 9445 4579 9459 4578 9440
      4579 9434

$$

2 follow-up statements

000 
WWUS53 KMPX 022319
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
617 PM CDT SAT JUN 2 2007

MNC097-022330-
/O.CON.KMPX.SV.W.0057.000000T0000Z-070602T2330Z/
MORRISON MN-
617 PM CDT SAT JUN 2 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR MORRISON COUNTY...

AT 610 PM...DIME SIZE HAIL WAS REPORTED NEAR LITTLE FALLS. 

AT 616 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING NICKEL SIZE  HAIL. THIS STORM 
WAS LOCATED 4 MILES EAST OF SOBIESKI...OR ABOUT 8 MILES NORTHWEST OF 
ROYALTON...AND MOVING SOUTH AT 25 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE 
BOWLES...UPSALA...SOBIESKI...ELMDALE AND BOWLUS.

LAT...LON 4601 9420 4599 9447 4579 9459 4578 9440
      4579 9434

$$

000 
WWUS53 KMPX 022330
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
628 PM CDT SAT JUN 2 2007

MNC097-022338-
/O.EXP.KMPX.SV.W.0057.000000T0000Z-070602T2330Z/
MORRISON MN-
628 PM CDT SAT JUN 2 2007

...THE SEVERE THUNDERSTORM WARNING FOR MORRISON COUNTY EXPIRES AT 630
PM CDT...

SEVERE STORMS HAVE WEAKENED OVER SOUTHEAST MORRISON COUNTY...AND THE 
WARNING WILL NOT BE EXTENDED AT THIS TIME. THERE WERE A FEW MORE 
STORMS IN THE NORTHERN PART OF THE COUNTY...WHICH COULD PRODUCE 
SMALL HAIL. REMAIN ALERT FOR POSSIBLE ADDITIONAL WARNINGS.

LAT...LON 4601 9420 4599 9447 4579 9459 4578 9440
      4579 9434

$$

JPR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 2, 1:47 PM CDT	Tornado Warning	MPX	McLeod, Sibley	43 min
Jun 2, 2:16 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	44 min
Jun 2, 2:28 PM CDT	Severe Thunderstorm Warning	MPX	Sibley	47 min
Jun 2, 2:49 PM CDT	Severe Thunderstorm Warning	MPX	Anoka	41 min
Jun 2, 2:58 PM CDT	Severe Thunderstorm Warning	MPX	Meeker	47 min
Jun 2, 3:11 PM CDT	Flash Flood Warning	MPX	Sibley	94 min
Jun 2, 3:45 PM CDT	Severe Thunderstorm Warning	MPX	Stearns, Wright	30 min
Jun 2, 3:49 PM CDT	Severe Thunderstorm Warning	MPX	Dakota	26 min
Jun 2, 4:13 PM CDT	Severe Thunderstorm Warning	MPX	Renville	32 min
Jun 2, 4:14 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey	45 min
Jun 2, 4:51 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Wright	54 min
Jun 2, 5:08 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	39 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.