Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 6, NWS Twin Cities, MN

May 19, 20134 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 19, 2013, 4:20 PM CDT for 4 counties in Minnesota. It was in force for 40 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 19, 2013, 4:20 PM CDT (21:20 UTC)
Expired: May 19, 2013, 5:00 PM CDT
In force: 40 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Dakota County, MN, Hennepin County, MN, Rice County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 34 km from the middle of the area, began a volume at 21:23 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 19, 4:22 PM CDT	TSTM WND GST 0	Elko, MN	REPORTED IN ELKO NEW MARKET HIGHWAYS 2 AND 27 45 MPH WINDS GUSING TO 60
May 19, 5:00 PM CDT	TSTM WND GST 70	3 Ene Coates, MN	TREE DAMAGE REPORTED AND SOME DAMAGE TO ROOFING SHINGLES
May 19, 5:02 PM CDT	TSTM WND GST 45	3 S Rosemount, MN	PEA 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
May 19, 1:10 PM CDT	Tornado Watch	SPC	8 hr

The nearest sounding before it

Green Bay/Straub, WI (KGRB), launched 12:00Z, 9.3 hours before the alert went out and 403 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: 65 J/kg
Mixed-layer CIN: -210 J/kg
Mixed-layer LCL: 924 m above ground
0-6 km bulk shear: 20 kt
0-1 km storm-relative helicity: 10 m²/s²
0-3 km storm-relative helicity: 32 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.

401 
WUUS53 KMPX 192120
SVRMPX
MNC037-053-131-139-192200-
/O.NEW.KMPX.SV.W.0006.130519T2120Z-130519T2200Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
420 PM CDT SUN MAY 19 2013

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  SOUTHEASTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA...
  NORTHWESTERN RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
  EASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 500 PM CDT

* AT 418 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM NEW PRAGUE TO 9 MILES SOUTH OF LAKEVILLE TO
  NORTHFIELD...AND MOVING NORTH AT 40 MPH.

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

  SOURCE...RADAR INDICATED.

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

* LOCATIONS IMPACTED INCLUDE...
  BURNSVILLE...LAKEVILLE...BLOOMINGTON...EAGAN...EDEN PRAIRIE...TWIN
  CITIES AIRPORT...HELENA...CASTLE ROCK...RANDOLPH...CRYSTAL BAY...
  CREDIT RIVER...FARMINGTON...HAMPTON...MARYSTOWN...PRIOR LAKE...
  SAVAGE...APPLE VALLEY...SHAKOPEE...COATES AND ROSEMOUNT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4455 9359 4490 9351 4492 9325 4489 9317
      4489 9309 4486 9301 4481 9300 4478 9302
      4476 9295 4452 9301 4451 9305 4447 9306
      4447 9324
TIME...MOT...LOC 2120Z 189DEG 36KT 4456 9347 4458 9329
          4449 9313

HAIL...0.75IN
WIND...60MPH

$$

1 follow-up statement

427 
WWUS53 KMPX 192139
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
439 PM CDT SUN MAY 19 2013

MNC131-192148-
/O.CAN.KMPX.SV.W.0006.000000T0000Z-130519T2200Z/
RICE MN-
439 PM CDT SUN MAY 19 2013

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN RICE COUNTY IS
CANCELLED...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA.

LAT...LON 4464 9323 4467 9356 4490 9351 4492 9325
      4489 9317 4489 9309 4486 9301 4481 9300
      4480 9302 4478 9302 4476 9295 4455 9302
TIME...MOT...LOC 2138Z 189DEG 36KT 4474 9343 4476 9325
          4467 9309

$$

MNC037-053-139-192200-
/O.CON.KMPX.SV.W.0006.000000T0000Z-130519T2200Z/
DAKOTA MN-HENNEPIN MN-SCOTT MN-
439 PM CDT SUN MAY 19 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
SCOTT...SOUTHEASTERN HENNEPIN AND WESTERN DAKOTA COUNTIES UNTIL 500
PM CDT...

AT 437 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 8 MILES WEST OF BURNSVILLE TO BURNSVILLE TO 8
MILES EAST OF LAKEVILLE...AND MOVING NORTH AT 40 MPH.

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

SOURCE...RADAR INDICATED.

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES.

LOCATIONS IMPACTED INCLUDE...
BURNSVILLE...BLOOMINGTON...EAGAN...EDEN PRAIRIE...TWIN CITIES
AIRPORT...APPLE VALLEY...SHAKOPEE...COATES...ROSEMOUNT...RICHFIELD...
EDINA...INVER GROVE HEIGHTS...MENDOTA HEIGHTS AND SUNFISH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4464 9323 4467 9356 4490 9351 4492 9325
      4489 9317 4489 9309 4486 9301 4481 9300
      4480 9302 4478 9302 4476 9295 4455 9302
TIME...MOT...LOC 2138Z 189DEG 36KT 4474 9343 4476 9325
          4467 9309

HAIL...0.75IN
WIND...60MPH

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 18, 7:05 PM CDT	Special Weather Statement	MPX	Pope	25 min
May 18, 7:52 PM CDT	Areal Flood Advisory	MPX	Douglas	3 hr
May 18, 8:27 PM CDT	Severe Thunderstorm Warning	MPX	Douglas	48 min
May 19, 3:45 AM CDT	Special Weather Statement	MPX	Brown, Chippewa, Martin, Renville, Stevens, Swift and 1 more	60 min
May 19, 4:23 AM CDT	Special Weather Statement	MPX	Blue Earth, Faribault, Martin, Watonwan	67 min
May 19, 5:08 AM CDT	Special Weather Statement	MPX	McLeod, Nicollet, Sibley	52 min
May 19, 6:26 AM CDT	Special Weather Statement	MPX	Anoka, Hennepin, Ramsey	49 min
May 19, 12:20 PM CDT	River Flood Watch	MPX	Todd	27 hr
May 19, 12:20 PM CDT	River Flood Watch	MPX	Carver	27 hr
May 19, 3:33 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey, Washington	42 min
May 19, 3:43 PM CDT	Areal Flood Advisory	MPX	Anoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more	3 hr
May 19, 4:15 PM CDT	Special Weather Statement	MPX	Dakota, Scott	30 min
May 19, 4:27 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Washington	33 min
May 19, 4:50 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue	40 min
May 19, 4:54 PM CDT	Severe Thunderstorm Warning	MPX	Washington	36 min
May 19, 5:00 PM CDT	Special Weather Statement	MPX	Anoka, Hennepin, Ramsey	30 min
May 19, 5:23 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Washington	37 min
May 19, 5:55 PM CDT	Special Weather Statement	MPX	Chisago, Isanti	35 min
May 19, 6:00 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	15 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2013 Every severe thunderstorm warning in 2013

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.