Alert archive / Minnesota / Severe Thunderstorm Warnings in 2015

Severe Thunderstorm Warning 50, NWS Twin Cities, MN

June 29, 2015Dakota County, Scott County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 29, 2015, 4:28 PM CDT for Dakota County, Scott County, Minnesota. It was in force for 47 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: Jun 29, 2015, 4:28 PM CDT (21:28 UTC)
Expired: Jun 29, 2015, 5:15 PM CDT
In force: 47 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.25 in
Wind: 50.0 mph

Counties Dakota County, MN, Scott County, MN

The radar

The Minneapolis radar (KMPX), 23 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
Jun 29, 4:44 PM CDT	HAIL 1	Prior Lake, MN
Jun 29, 4:52 PM CDT	HAIL 1.5	Prior Lake, MN	OCCURRED NEAR HIGHWAY 13 AND COUNTY ROAD 44.
Jun 29, 4:53 PM CDT	HAIL 1	Prior Lake, MN	OBSERVED NEAR COUNTY ROAD 16 AND EAGLE CREEK BLVD.

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 29, 1:57 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 9.5 hours before the alert went out and 25 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: 160 J/kg
Mixed-layer CIN: -46 J/kg
Mixed-layer LCL: 1297 m above ground
0-6 km bulk shear: 41 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.4

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

501 
WUUS53 KMPX 292128
SVRMPX
MNC037-139-292215-
/O.NEW.KMPX.SV.W.0050.150629T2128Z-150629T2215Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
428 PM CDT MON JUN 29 2015

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 515 PM CDT

* AT 428 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FLYING CLOUD
  AIRPORT...OR 12 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 35
  MPH.

  HAZARD...HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* THIS SEVERE THUNDERSTORM WILL BE NEAR...
  BURNSVILLE...APPLE VALLEY AND PRIOR LAKE AROUND 435 PM CDT.
  LAKEVILLE AROUND 440 PM CDT.
  ELKO NEW MARKET AROUND 455 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE CREDIT
RIVER...CASTLE ROCK AND LAKEVILLE AIRPORT.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 75 AND 88.
 
LAT...LON 4454 9346 4480 9350 4480 9338 4478 9338
      4479 9337 4479 9327 4454 9315
TIME...MOT...LOC 2128Z 344DEG 31KT 4480 9339 

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

BORGHOFF

3 follow-up statements

815 
WWUS53 KMPX 292144
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
444 PM CDT MON JUN 29 2015

MNC037-139-292215-
/O.CON.KMPX.SV.W.0050.000000T0000Z-150629T2215Z/
DAKOTA MN-SCOTT MN-
444 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR SOUTHWESTERN DAKOTA AND EASTERN SCOTT COUNTIES...

AT 444 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR FLYING CLOUD
AIRPORT...OR 13 MILES SOUTHWEST OF MINNEAPOLIS...MOVING SOUTH AT 30
MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  BURNSVILLE...SAVAGE AND PRIOR LAKE AROUND 450 PM CDT.
  LAKEVILLE AROUND 500 PM CDT.
  ELKO NEW MARKET AROUND 515 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE CREDIT
RIVER...CASTLE ROCK AND LAKEVILLE AIRPORT.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 75 AND 88.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

&&

LAT...LON 4454 9346 4480 9350 4480 9338 4478 9338
      4479 9337 4479 9330 4454 9317
TIME...MOT...LOC 2144Z 344DEG 25KT 4479 9341 

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

BORGHOFF

344 
WWUS53 KMPX 292158
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
458 PM CDT MON JUN 29 2015

MNC037-139-292215-
/O.CON.KMPX.SV.W.0050.000000T0000Z-150629T2215Z/
DAKOTA MN-SCOTT MN-
458 PM CDT MON JUN 29 2015

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM CDT
FOR SOUTHWESTERN DAKOTA AND EASTERN SCOTT COUNTIES...

AT 458 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CREDIT
RIVER...OR 18 MILES NORTHWEST OF NORTHFIELD...MOVING SOUTH AT 35 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...TRAINED WEATHER SPOTTERS. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

THIS SEVERE STORM WILL BE NEAR...
  ELKO NEW MARKET AROUND 510 PM CDT.

OTHER LOCATIONS IMPACTED BY THIS SEVERE THUNDERSTORM INCLUDE CREDIT
RIVER.

THIS INCLUDES INTERSTATE 35 BETWEEN MILE MARKERS 75 AND 85.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

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

&&

LAT...LON 4454 9346 4476 9346 4477 9332 4454 9322
TIME...MOT...LOC 2158Z 346DEG 30KT 4468 9337 

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

BORGHOFF

754 
WWUS53 KMPX 292216
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
516 PM CDT MON JUN 29 2015

MNC037-139-292226-
/O.EXP.KMPX.SV.W.0050.000000T0000Z-150629T2215Z/
DAKOTA MN-SCOTT MN-
516 PM CDT MON JUN 29 2015

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN DAKOTA AND
EASTERN SCOTT COUNTIES HAS EXPIRED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING HAS BEEN ALLOWED TO EXPIRE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT FOR
SOUTHEASTERN MINNESOTA.

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 4454 9346 4476 9346 4477 9332 4454 9322
TIME...MOT...LOC 2213Z 344DEG 31KT 4468 9337 

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 29, 1:19 PM CDT	Special Weather Statement	MPX	Mille Lacs	26 min
Jun 29, 3:12 PM CDT	Special Weather Statement	MPX	Hennepin	33 min
Jun 29, 3:19 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin, Wright	56 min
Jun 29, 3:56 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	64 min
Jun 29, 5:00 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	60 min
Jun 29, 5:32 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Washington	58 min
Jun 29, 6:02 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti	43 min
Jun 29, 6:28 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey, Washington	47 min
Jun 29, 6:48 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey	42 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.