Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 102, NWS Twin Cities, MN

June 10, 2007Stevens County, Swift County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 10, 2007, 9:55 PM CDT for Stevens County, Swift County, Minnesota. It was in force for 55 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 10, 2007, 9:55 PM CDT (02:55 UTC)
Expired: Jun 10, 2007, 10:50 PM CDT
In force: 55 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Stevens County, MN, Swift County, MN

The radar

The Minneapolis radar (KMPX), 193 km from the middle of the area, began a volume at 02:58 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, 10:22 PM CDT	HAIL 1	7 S Morris, MN

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
Jun 10, 2:30 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 2.9 hours before the alert went out and 191 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: 114 J/kg
Mixed-layer CIN: -98 J/kg
Mixed-layer LCL: 2096 m above ground
0-6 km bulk shear: 10 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: 6 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 110256
SVRMPX
MNC149-151-110400-
/O.NEW.KMPX.SV.W.0102.070611T0255Z-070611T0400Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN STEVENS COUNTY IN WEST CENTRAL MINNESOTA...
  SWIFT COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 1100 PM CDT

* AT 954 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...   
  CAPABLE OF PRODUCING QUARTER SIZE HAIL. THIS STORM WAS LOCATED 14  
  MILES  NORTHWEST OF DANVERS...OR ABOUT 11 MILES SOUTH OF           
  MORRIS...AND   MOVING EAST AT 10 MPH.

* LOCATIONS IMPACTED INCLUDE...
  DANVERS...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4555 9600 4538 9610 4522 9562 4543 9573

$$

3 follow-up statements

000 
WWUS53 KMPX 110318
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1017 PM CDT SUN JUN 10 2007

MNC149-151-110400-
/O.CON.KMPX.SV.W.0102.000000T0000Z-070611T0400Z/
STEVENS MN-SWIFT MN-
1017 PM CDT SUN JUN 10 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR SWIFT AND STEVENS COUNTIES...

AT 1016 PM CDT...GOLF BALL SIZE HAIL WAS REPORTED 2 MILES SOUTH OF 
MORRIS.

EVEN LARGER HAIL IS POSSIBLE WITH THIS STORM.

AT 1015 PM CDT...   THIS STORM WAS LOCATED 5 MILES WEST OF HANCOCK...
AND MOVING EAST AT 10 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE MORRIS...HANCOCK AND DANVERS.

LAT...LON 4564 9599 4538 9610 4522 9562 4540 9574
      4565 9578

$$

000 
WWUS53 KMPX 110344
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1043 PM CDT SUN JUN 10 2007

MNC149-151-110400-
/O.CON.KMPX.SV.W.0102.000000T0000Z-070611T0400Z/
STEVENS MN-SWIFT MN-
1043 PM CDT SUN JUN 10 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT
FOR SWIFT AND STEVENS COUNTIES...

AT 1040 PM CDT...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE 
THUNDERSTORM...CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS STORM 
WAS LOCATED 3 MILES WEST OF HANCOCK...AND MOVING SOUTHEAST AT 10 MPH.

THE STORM HAS WEAKENED SINCE 1030 PM AND THE WARNING MAY BE ALLOWED 
TO EXPIRE AT 11 PM.

OTHER LOCATIONS IN THE WARNING INCLUDE MORRIS AND HANCOCK.

LAT...LON 4564 9599 4539 9599 4534 9570 4540 9574
      4565 9578

$$

JPR

000 
WWUS53 KMPX 110350
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1050 PM CDT SUN JUN 10 2007

MNC149-151-110400-
/O.CAN.KMPX.SV.W.0102.000000T0000Z-070611T0400Z/
STEVENS MN-SWIFT MN-
1050 PM CDT SUN JUN 10 2007

...THE SEVERE THUNDERSTORM WARNING FOR SWIFT AND STEVENS COUNTIES IS
CANCELLED...

RADAR INDICATED THAT THE STORM HAD WEAKENED TO BELOW SEVERE LIMITS.
THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4564 9599 4539 9599 4534 9570 4540 9574
      4565 9578

$$

JPR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 10, 7:16 PM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs	44 min
Jun 10, 7:20 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Yellow Medicine	55 min
Jun 10, 7:46 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Renville	59 min
Jun 10, 8:15 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	45 min
Jun 10, 8:38 PM CDT	Severe Thunderstorm Warning	MPX	Redwood	67 min
Jun 10, 8:45 PM CDT	Severe Thunderstorm Warning	MPX	Renville	60 min
Jun 10, 9:14 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi	61 min
Jun 10, 11:09 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	36 min
Jun 10, 11:44 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	33 min
Jun 11, 12:12 AM CDT	Severe Thunderstorm Warning	MPX	Redwood	38 min
Jun 11, 12:22 AM CDT	Severe Thunderstorm Warning	MPX	Douglas	53 min
Jun 11, 12:40 AM CDT	Flash Flood Warning	MPX	Redwood	2 hr
Jun 11, 1:00 AM CDT	Flash Flood Warning	MPX	Brown	2 hr
Jun 11, 1:14 AM CDT	Severe Thunderstorm Warning	MPX	Douglas	31 min
Jun 11, 2:21 AM CDT	Severe Thunderstorm Warning	MPX	Renville	21 min
Jun 11, 2:32 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi	11 min
Jun 11, 2:39 AM CDT	Severe Thunderstorm Warning	MPX	Stearns	32 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.