Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 9, NWS Twin Cities, MN

May 3, 2015Freeborn County, Steele County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 3, 2015, 6:48 PM CDT for Freeborn County, Steele County, Minnesota. It was in force for 27 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: May 3, 2015, 6:48 PM CDT (23:48 UTC)
Expired: May 3, 2015, 7:15 PM CDT
In force: 27 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Freeborn County, MN, Steele County, MN

The radar

The Minneapolis radar (KMPX), 117 km from the middle of the area, began a volume at 23:51 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.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.8 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1098 m above ground
0-6 km bulk shear: 28 kt
0-1 km storm-relative helicity: 64 m²/s²
0-3 km storm-relative helicity: 71 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.

609 
WUUS53 KMPX 032348
SVRMPX
MNC047-147-040015-
/O.NEW.KMPX.SV.W.0009.150503T2348Z-150504T0015Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
648 PM CDT SUN MAY 3 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTHEASTERN FREEBORN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 715 PM CDT

* AT 648 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR HIGHWAY 30 AND COUNTY 3 TO NEAR ALBERT LEA
  AIRPORT...MOVING EAST AT 25 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  BLOOMING PRAIRIE...GENEVA AND BIXBY. 

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 4377 9343 4397 9305 4377 9305
TIME...MOT...LOC 2348Z 277DEG 23KT 4392 9296 4371 9330 

HAIL...1.25IN
WIND...60MPH
 
$$

JPC

1 follow-up statement

384 
WWUS53 KMPX 040012
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
712 PM CDT SUN MAY 3 2015

MNC047-147-040021-
/O.EXP.KMPX.SV.W.0009.000000T0000Z-150504T0015Z/
STEELE MN-FREEBORN MN-
712 PM CDT SUN MAY 3 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN STEELE AND
NORTHEASTERN FREEBORN COUNTIES WILL EXPIRE AT 715 PM CDT...
    
THE STORMS WHICH PROMPTED THE WARNING HAVE MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
THE TWIN CITIES.

LAT...LON 4377 9343 4397 9305 4377 9305
TIME...MOT...LOC 0010Z 277DEG 23KT 4392 9296 4371 9330 

$$

JPC

The office that day

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

Issued	Product	Office	Counties	Lasted
May 3, 9:32 AM CDT	Special Weather Statement	MPX	Pope	28 min
May 3, 9:59 AM CDT	Special Weather Statement	MPX	Pope	31 min
May 3, 4:03 PM CDT	Special Weather Statement	MPX	Carver	27 min
May 3, 4:15 PM CDT	Special Weather Statement	MPX	Blue Earth, Le Sueur, Scott	45 min
May 3, 4:20 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Dakota, Hennepin, Ramsey, Scott	55 min
May 3, 4:31 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet, Rice, Scott	44 min
May 3, 4:48 PM CDT	Special Weather Statement	MPX	Anoka	27 min
May 3, 5:08 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Dakota, Hennepin, Ramsey, Washington	52 min
May 3, 5:21 PM CDT	Special Weather Statement	MPX	Dakota, Rice, Steele, Waseca	54 min
May 3, 6:19 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn	71 min
May 3, 6:26 PM CDT	Special Weather Statement	MPX	Goodhue, Steele	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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.