Alert archive / Minnesota / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 19, NWS Twin Cities, MN

May 25, 2016Martin County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 25, 2016, 10:50 PM CDT for Martin County, Minnesota. It was in force for 55 min. 3 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: May 25, 2016, 10:50 PM CDT (03:50 UTC)
Expired: May 25, 2016, 11:45 PM CDT
In force: 55 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

County Martin County, MN

The radar

The Minneapolis radar (KMPX), 158 km from the middle of the area, began a volume at 03:52 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
May 25, 11:05 PM CDT	HAIL 1	3 Ssw Fairmont, MN	DEPUTIES REPORTED DIME TO QUARTER SIZE HAIL SOUTHWEST OF FAIRMONT
May 25, 11:15 PM CDT	TSTM WND DMG	Fairmont, MN	LARGE BRANCH DOWNED. TIME ESTIMATED. REPORTED VIA TWITTER.
May 25, 11:22 PM CDT	HAIL 1	1 Ene Fairmont, MN	VIA SOCIAL MEDIA.

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 00:00Z, 3.8 hours before the alert went out and 157 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: 755 J/kg
Mixed-layer CIN: -37 J/kg
Mixed-layer LCL: 1033 m above ground
0-6 km bulk shear: 32 kt
0-1 km storm-relative helicity: 111 m²/s²
0-3 km storm-relative helicity: 118 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 4.1

Open this sounding in Storm Lab

The text

As transmitted.

108 
WUUS53 KMPX 260350
SVRMPX
MNC091-260445-
/O.NEW.KMPX.SV.W.0019.160526T0350Z-160526T0445Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1050 PM CDT WED MAY 25 2016

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHEASTERN MARTIN COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 1145 PM CDT

* AT 1049 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER OKAMANPEDAN
  STATE PARK...OR 9 MILES SOUTHWEST OF FAIRMONT...MOVING NORTHEAST AT
  25 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  FAIRMONT AROUND 1105 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE WILBERT...
IMOGENE...EAST CHAIN...GRANADA AND FAIRMONT AIRPORT.

THIS INCLUDES INTERSTATE 90 BETWEEN MILE MARKERS 100 AND 112.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4351 9468 4372 9445 4367 9425 4350 9425
TIME...MOT...LOC 0349Z 236DEG 21KT 4351 9455 

HAIL...1.00IN
WIND...<50MPH
 
$$

BORGHOFF

1 follow-up statement

839 
WWUS53 KMPX 260409
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1109 PM CDT WED MAY 25 2016

MNC091-260445-
/O.CON.KMPX.SV.W.0019.000000T0000Z-160526T0445Z/
MARTIN MN-
1109 PM CDT WED MAY 25 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1145 PM CDT
FOR SOUTHEASTERN MARTIN COUNTY...

AT 1109 PM CDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM FAIRMONT TO IOWA LAKE...MOVING NORTHEAST AT 25 MPH.

HAZARD...HALF DOLLAR SIZE HAIL. 

SOURCE...LAW ENFORCEMENT REPORTED QUARTER SIZE HAIL JUST SOUTHWEST
         OF FAIRMONT AT 1105 PM. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THESE SEVERE THUNDERSTORMS WILL REMAIN OVER MAINLY RURAL AREAS OF
SOUTHEASTERN MARTIN COUNTY...INCLUDING THE FOLLOWING LOCATIONS:
IMOGENE...EAST CHAIN...GRANADA AND FAIRMONT AIRPORT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4351 9454 4360 9452 4372 9445 4367 9425
      4350 9425
TIME...MOT...LOC 0409Z 225DEG 22KT 4363 9446 4352 9444 

HAIL...1.25IN
WIND...<50MPH
 
$$

BORGHOFF

The office that day

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

Issued	Product	Office	Counties	Lasted
May 25, 8:00 PM CDT	Severe Thunderstorm Warning	MPX	Morrison	45 min
May 25, 10:33 PM CDT	Special Weather Statement	MPX	Martin	42 min
May 25, 11:20 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Martin	55 min
May 25, 11:37 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin	38 min
May 25, 11:51 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet	54 min
May 26, 12:30 AM CDT	Severe Thunderstorm Warning	MPX	Nicollet	45 min
May 26, 12:48 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown	27 min
May 26, 1:05 AM CDT	Severe Thunderstorm Warning	MPX	Martin, Watonwan	40 min
May 26, 1:16 AM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Nicollet	44 min
May 26, 1:38 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Nicollet	24 min
May 26, 2:01 AM CDT	Special Weather Statement	MPX	Blue Earth, Faribault, Waseca	44 min
May 26, 2:14 AM CDT	Special Weather Statement	MPX	Scott	46 min
May 26, 3:07 AM CDT	Special Weather Statement	MPX	Goodhue	53 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2016 Every severe thunderstorm warning in 2016

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.