Alert archive / Minnesota / Severe Thunderstorm Warnings in 2013

Severe Thunderstorm Warning 7, NWS Twin Cities, MN

May 19, 2013Pierce County, Wisconsin; Dakota County, Goodhue County, Washington County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 19, 2013, 4:27 PM CDT for Pierce County, Wisconsin; Dakota County, Goodhue County, Washington County, Minnesota. It was in force for 33 min. 7 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, 4:27 PM CDT (21:27 UTC)
Expired: May 19, 2013, 5:00 PM CDT
In force: 33 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Dakota County, MN, Goodhue County, MN, Washington County, MN, Pierce County, WI

The radar

The Minneapolis radar (KMPX), 80 km from the middle of the area, began a volume at 21:27 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, 4:27 PM CDT	TSTM WND GST 55	Cannon Falls, MN	OCCURRED AT MILE POST 90 ON U.S. HIGHWAY 52.
May 19, 4:28 PM CDT	TSTM WND GST 55	Cannon Falls, MN	OCCURRED AT MILE POST 90 ON U.S. HIGHWAY 52.
May 19, 4:33 PM CDT	TSTM WND GST 54	Stanton, MN
May 19, 4:56 PM CDT	TSTM WND DMG	Hastings, MN	TREES DOWN WIND ESTIMATED 40 MPH
May 19, 5:00 PM CDT	TSTM WND DMG	5 Ssw Bay City, MN	FEW TREES DOWN
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, 5:07 PM CDT	TSTM WND DMG	Hastings, MN	LOST POWER LAW ENFORCEMENT RECEIVING MANY CALL

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

Davenport, (KDVN), launched 12:00Z, 9.5 hours before the alert went out and 362 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: 905 J/kg
Mixed-layer CIN: -122 J/kg
Mixed-layer LCL: 846 m above ground
0-6 km bulk shear: 19 kt
0-1 km storm-relative helicity: 102 m²/s²
0-3 km storm-relative helicity: 93 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.

814 
WUUS53 KMPX 192127
SVRMPX
MNC037-049-163-WIC093-192200-
/O.NEW.KMPX.SV.W.0007.130519T2127Z-130519T2200Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  EASTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  SOUTHEASTERN WASHINGTON COUNTY IN EAST CENTRAL MINNESOTA...
  WESTERN PIERCE COUNTY IN WEST CENTRAL WISCONSIN...

* UNTIL 500 PM CDT

* AT 423 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
  LINE EXTENDING FROM 6 MILES SOUTHEAST OF NORTHFIELD TO 9 MILES
  SOUTH OF CANNON FALLS TO ORONOCO...AND MOVING NORTH AT 50 MPH.

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

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  RED WING...CANNON FALLS...STANTON...GOODHUE...BELLECHESTER...
  HAMPTON...MIESVILLE...NEW TRIER...WELCH...VERMILLION...HASTINGS...
  DIAMOND BLUFF...PRESCOTT...HAGER CITY...BAY CITY...COTTAGE GROVE
  AND ESDAILE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4433 9290 4434 9304 4447 9304 4448 9306
      4485 9293 4484 9270 4460 9237 4436 9246
      4436 9254 4420 9254 4419 9256 4419 9273
TIME...MOT...LOC 2127Z 194DEG 44KT 4443 9306 4443 9286
          4422 9261

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

$$

1 follow-up statement

638 
WWUS53 KMPX 192135
SVSMPX

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

MNC037-049-163-WIC093-192200-
/O.CON.KMPX.SV.W.0007.000000T0000Z-130519T2200Z/
DAKOTA MN-GOODHUE MN-WASHINGTON MN-PIERCE WI-
435 PM CDT SUN MAY 19 2013

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
PIERCE...SOUTHEASTERN WASHINGTON...GOODHUE AND EASTERN DAKOTA
COUNTIES UNTIL 500 PM CDT...

AT 432 PM CDT...A LINE OF SEVERE THUNDERSTORMS WAS LOCATED ALONG A
LINE EXTENDING FROM 7 MILES EAST OF NORTHFIELD TO CANNON FALLS TO
MAZEPPA...AND MOVING NORTH AT 50 MPH.

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

SOURCE...RADAR INDICATED. IN ADDITION..55 MPH WINDS WERE REPORTED 
         IN CANNON FALLS AT 430 PM.

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

LOCATIONS IMPACTED INCLUDE...
RED WING...CANNON FALLS...GOODHUE...BELLECHESTER...HAMPTON...
MIESVILLE...NEW TRIER...WELCH...VERMILLION...HASTINGS...DIAMOND
BLUFF...PRESCOTT...HAGER CITY...BAY CITY...COTTAGE GROVE AND ESDAILE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4421 9273 4437 9292 4441 9304 4447 9304
      4448 9306 4485 9293 4484 9270 4460 9237
      4436 9246 4436 9254 4420 9254 4419 9256
TIME...MOT...LOC 2134Z 194DEG 44KT 4451 9303 4451 9283
          4430 9258

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 19, 4:50 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pepin, Pierce	40 min
May 19, 4:54 PM CDT	Severe Thunderstorm Warning	MPX	Pierce, Saint Croix	36 min
May 19, 5:16 PM CDT	Severe Thunderstorm Warning	MPX	Rusk	44 min
May 19, 5:18 PM CDT	Severe Thunderstorm Warning	MPX	Dunn, Pepin, Pierce, Saint Croix	42 min
May 19, 5:23 PM CDT	Severe Thunderstorm Warning	MPX	Pierce, Polk, Saint Croix	37 min
May 19, 5:26 PM CDT	Tornado Warning	MPX	Pierce, Saint Croix	34 min
May 19, 5:51 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Dunn, Polk, Saint Croix	39 min
May 19, 6:00 PM CDT	Severe Thunderstorm Warning	MPX	Polk	15 min
May 19, 6:26 PM CDT	Severe Thunderstorm Warning	MPX	Barron, Polk, Rusk	19 min
May 19, 6:36 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Eau Claire	39 min
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, 4:20 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Hennepin, Rice, Scott	40 min
May 19, 5:00 PM CDT	Special Weather Statement	MPX	Anoka, Hennepin, Ramsey	30 min
May 19, 5:55 PM CDT	Special Weather Statement	MPX	Chisago, Isanti	35 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2013 Severe Thunderstorm Warnings in Wisconsin, 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.