Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 24, NWS Twin Cities, MN

June 9, 2015Chippewa County, Swift County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 9, 2015, 5:44 PM CDT for Chippewa County, Swift County, Minnesota. It was in force for 46 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 9, 2015, 5:44 PM CDT (22:44 UTC)
Expired: Jun 9, 2015, 6:30 PM CDT
In force: 46 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.5 in
Wind: 60.0 mph

Counties Chippewa County, MN, Swift County, MN

The radar

The Minneapolis radar (KMPX), 179 km from the middle of the area, began a volume at 22:47 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 9, 5:52 PM CDT	TSTM WND DMG	1 W Danvers, MN	SPOTTER REPORTED MULTIPLE TREE LIMBS BLOWN DOWN BY STRONG WIND ALONG WITH DIME SIZE HAIL.

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 9, 4:49 PM CDT	Severe Thunderstorm Watch	SPC	4 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 10.7 hours before the alert went out and 177 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: 2241 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 216 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.

505 
WUUS53 KMPX 092244
SVRMPX
MNC023-151-092330-
/O.NEW.KMPX.SV.W.0024.150609T2244Z-150609T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
544 PM CDT TUE JUN 9 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTH CENTRAL CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...
  SWIFT COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 630 PM CDT

* AT 544 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR DANVERS...OR
  18 MILES SOUTH OF MORRIS...MOVING SOUTHEAST AT 35 MPH.

  HAZARD...PING PONG BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

  SOURCE...RADAR INDICATED. 

  IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT HAIL 
           DAMAGE TO ROOFS...SIDING...WINDOWS AND VEHICLES. EXPECT 
           WIND DAMAGE TO ROOFS...SIDING AND TREES. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  BENSON AROUND 600 PM CDT.
  MURDOCK AROUND 625 PM CDT.
  KERKHOVEN AROUND 630 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE
CLONTARF...HOLLOWAY...DE GRAFF...BIG BEND CITY...BENSON AIRPORT...
HAGEN AND DANVERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4530 9606 4541 9570 4519 9530 4506 9577
TIME...MOT...LOC 2244Z 304DEG 30KT 4532 9583 

HAIL...1.50IN
WIND...60MPH
 
$$

ADL

2 follow-up statements

867 
WWUS53 KMPX 092308
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
608 PM CDT TUE JUN 9 2015

MNC023-151-092330-
/O.CON.KMPX.SV.W.0024.000000T0000Z-150609T2330Z/
CHIPPEWA MN-SWIFT MN-
608 PM CDT TUE JUN 9 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM CDT
FOR NORTH CENTRAL CHIPPEWA AND SOUTH CENTRAL SWIFT COUNTIES...

AT 607 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES SOUTHWEST
OF DE GRAFF...OR 18 MILES NORTH OF MONTEVIDEO...MOVING SOUTHEAST AT
35 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING AND TREES. 

THIS SEVERE THUNDERSTORM WILL REMAIN OVER MAINLY RURAL AREAS OF NORTH
CENTRAL CHIPPEWA AND SOUTH CENTRAL SWIFT COUNTIES...INCLUDING THE
FOLLOWING LOCATIONS...BIG BEND CITY...HAGEN AND DANVERS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

&&

LAT...LON 4525 9586 4531 9569 4517 9537 4506 9577
TIME...MOT...LOC 2307Z 304DEG 30KT 4521 9560 

HAIL...1.00IN
WIND...60MPH
 
$$

ADL

012 
WWUS53 KMPX 092322
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
622 PM CDT TUE JUN 9 2015

MNC023-151-092332-
/O.EXP.KMPX.SV.W.0024.000000T0000Z-150609T2330Z/
CHIPPEWA MN-SWIFT MN-
622 PM CDT TUE JUN 9 2015

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CHIPPEWA AND
SOUTH CENTRAL SWIFT COUNTIES WILL EXPIRE AT 630 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE LIMITS
AND EXITED THE WARNED AREA. THEREFORE THE WARNING WILL BE ALLOWED TO
EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL MIDNIGHT CDT FOR
WEST CENTRAL MINNESOTA.

LAT...LON 4525 9586 4531 9569 4517 9537 4506 9577
TIME...MOT...LOC 2319Z 304DEG 30KT 4521 9560 

$$

ADL

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 9, 4:37 PM CDT	Severe Thunderstorm Warning	MPX	Stevens	38 min
Jun 9, 4:41 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	49 min
Jun 9, 5:08 PM CDT	Severe Thunderstorm Warning	MPX	Pope, Stevens, Swift	52 min
Jun 9, 5:34 PM CDT	Special Weather Statement	MPX	Yellow Medicine	11 min
Jun 9, 5:35 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Stearns, Swift	40 min
Jun 9, 6:03 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Stearns	42 min
Jun 9, 6:15 PM CDT	Special Weather Statement	MPX	Kandiyohi	30 min
Jun 9, 6:18 PM CDT	Special Weather Statement	MPX	Chippewa	27 min
Jun 9, 6:41 PM CDT	Special Weather Statement	MPX	Renville	34 min
Jun 9, 6:45 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Stearns, Wright	45 min
Jun 9, 6:56 PM CDT	Special Weather Statement	MPX	McLeod, Meeker, Wright	34 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2015 Every severe thunderstorm warning in 2015

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.