Alert archive / Minnesota / Severe Thunderstorm Warnings in 2014

Severe Thunderstorm Warning 14, NWS Twin Cities, MN

May 8, 20144 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 8, 2014, 3:07 PM CDT for 4 counties in Minnesota. It was in force for 23 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 8, 2014, 3:07 PM CDT (20:07 UTC)
Expired: May 8, 2014, 3:30 PM CDT
In force: 23 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Dakota County, MN, Goodhue County, MN, Rice County, MN, Steele County, MN

The radar

The Minneapolis radar (KMPX), 59 km from the middle of the area, began a volume at 20:08 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 8, 1:46 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 8.1 hours before the alert went out and 61 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: 955 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: -27 m²/s²
0-3 km storm-relative helicity: -85 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.

048 
WUUS53 KMPX 082007
SVRMPX
MNC037-049-131-147-082030-
/O.NEW.KMPX.SV.W.0014.140508T2007Z-140508T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
307 PM CDT THU MAY 8 2014

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN DAKOTA COUNTY IN EAST CENTRAL MINNESOTA...
  WEST CENTRAL GOODHUE COUNTY IN SOUTHEAST MINNESOTA...
  RICE COUNTY IN SOUTH CENTRAL MINNESOTA...
  NORTH CENTRAL STEELE COUNTY IN SOUTH CENTRAL MINNESOTA...

* UNTIL 330 PM CDT

* AT 303 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES SOUTHWEST
  OF FARIBAULT...AND MOVING NORTHEAST AT 60 MPH.

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

  SOURCE...RADAR INDICATED.

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

* LOCATIONS IMPACTED INCLUDE...
  FARIBAULT...NORTHFIELD...FARIBAULT AIRPORT...RUSKIN...KENYON...
  BRIDGEWATER...NERSTRAND...DUNDAS...DENNISON...CASTLE ROCK...
  STANTON...WASTEDO AND LAKE BYLLESBY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4457 9321 4455 9299 4448 9288 4433 9283
      4412 9328 4429 9350
TIME...MOT...LOC 2007Z 220DEG 54KT 4427 9327

HAIL...1.00IN
WIND...60MPH

$$

1 follow-up statement

291 
WWUS53 KMPX 082024
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
324 PM CDT THU MAY 8 2014

MNC147-082035-
/O.CAN.KMPX.SV.W.0014.000000T0000Z-140508T2030Z/
STEELE MN-
324 PM CDT THU MAY 8 2014

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL STEELE COUNTY IS
CANCELLED...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED 
AREA.

LAT...LON 4432 9325 4439 9339 4457 9321 4455 9299
      4448 9288 4433 9283 4419 9313 4420 9315
TIME...MOT...LOC 2025Z 220DEG 54KT 4448 9303

$$

MNC037-049-131-082030-
/O.CON.KMPX.SV.W.0014.000000T0000Z-140508T2030Z/
DAKOTA MN-GOODHUE MN-RICE MN-
324 PM CDT THU MAY 8 2014

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
RICE...WEST CENTRAL GOODHUE AND SOUTHWESTERN DAKOTA COUNTIES UNTIL
330 PM CDT...

AT 324 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 6 MILES EAST OF
NORTHFIELD...AND MOVING NORTHEAST AT 60 MPH.

HAZARD...70 MPH WIND GUSTS AND QUARTER SIZE HAIL.

SOURCE...RADAR INDICATED.

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT CONSIDERABLE
         TREE DAMAGE. WIND DAMAGE IS ALSO LIKELY TO MOBILE HOMES...
         ROOFS AND OUTBUILDINGS.

LOCATIONS IMPACTED INCLUDE...
LAKE BYLLESBY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4432 9325 4439 9339 4457 9321 4455 9299
      4448 9288 4433 9283 4419 9313 4420 9315
TIME...MOT...LOC 2025Z 220DEG 54KT 4448 9303

HAIL...1.00IN
WIND...70MPH

$$

JRB

The office that day

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

Issued	Product	Office	Counties	Lasted
May 7, 7:20 PM CDT	Special Weather Statement	MPX	Benton, Sherburne, Stearns	55 min
May 7, 8:47 PM CDT	Special Weather Statement	MPX	Blue Earth, Le Sueur, Nicollet	58 min
May 7, 8:58 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet	62 min
May 7, 9:20 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Waseca	55 min
May 7, 9:22 PM CDT	Special Weather Statement	MPX	Sherburne	68 min
May 7, 10:14 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice, Waseca	61 min
May 7, 10:57 PM CDT	Severe Thunderstorm Warning	MPX	Rice	48 min
May 7, 11:37 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Rice, Scott	38 min
May 7, 11:41 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Scott	49 min
May 8, 12:32 AM CDT	Special Weather Statement	MPX	Hennepin, Ramsey, Washington	43 min
May 8, 2:02 AM CDT	Special Weather Statement	MPX	Isanti	43 min
May 8, 2:10 AM CDT	Special Weather Statement	MPX	McLeod	35 min
May 8, 2:23 AM CDT	Special Weather Statement	MPX	Kandiyohi	52 min
May 8, 3:05 AM CDT	Special Weather Statement	MPX	Benton	40 min
May 8, 6:09 AM CDT	Special Weather Statement	MPX	Watonwan	36 min
May 8, 7:08 AM CDT	Special Weather Statement	MPX	Dakota	37 min
May 8, 8:13 AM CDT	Special Weather Statement	MPX	Watonwan	32 min
May 8, 8:37 AM CDT	Special Weather Statement	MPX	Nicollet	23 min
May 8, 9:44 AM CDT	Special Weather Statement	MPX	Martin	46 min
May 8, 10:02 AM CDT	Special Weather Statement	MPX	Redwood	43 min
May 8, 10:20 AM CDT	Special Weather Statement	MPX	Faribault	25 min
May 8, 10:48 AM CDT	Special Weather Statement	MPX	Waseca	42 min
May 8, 11:18 AM CDT	Special Weather Statement	MPX	Lac qui Parle	42 min
May 8, 11:27 AM CDT	Special Weather Statement	MPX	Rice	48 min
May 8, 11:48 AM CDT	Special Weather Statement	MPX	Anoka, Hennepin	42 min
May 8, 12:01 PM CDT	Special Weather Statement	MPX	Stevens	29 min
May 8, 12:22 PM CDT	Special Weather Statement	MPX	Wright	23 min
May 8, 1:08 PM CDT	Special Weather Statement	MPX	Brown	37 min
May 8, 1:11 PM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood	34 min
May 8, 1:44 PM CDT	Special Weather Statement	MPX	Stevens	31 min
May 8, 2:12 PM CDT	Special Weather Statement	MPX	Faribault	33 min
May 8, 2:21 PM CDT	Special Weather Statement	MPX	Sherburne	24 min
May 8, 2:55 PM CDT	Special Weather Statement	MPX	Carver, Freeborn, Le Sueur, Rice, Scott, Steele and 1 more	50 min
May 8, 3:17 PM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	28 min
May 8, 3:23 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Scott	52 min
May 8, 3:26 PM CDT	Severe Thunderstorm Warning	MPX	Goodhue, Steele	49 min
May 8, 3:58 PM CDT	Severe Thunderstorm Warning	MPX	Washington	47 min
May 8, 4:10 PM CDT	Special Weather Statement	MPX	Watonwan	35 min
May 8, 4:29 PM CDT	Tornado Warning	MPX	Watonwan	31 min
May 8, 4:55 PM CDT	Tornado Warning Tornado observed	MPX	Blue Earth, Brown, Watonwan	35 min
May 8, 5:15 PM CDT	Tornado Warning Tornado observed	MPX	Blue Earth, Nicollet	45 min
May 8, 5:26 PM CDT	Severe Thunderstorm Warning	MPX	Nicollet, Sibley	49 min
May 8, 5:34 PM CDT	Special Weather Statement	MPX	McLeod	41 min
May 8, 6:13 PM CDT	Special Weather Statement	MPX	Carver	32 min
May 8, 6:14 PM CDT	Special Weather Statement	MPX	Carver	31 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2014 Every severe thunderstorm warning in 2014

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.