Alert archive / Minnesota / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 61, NWS Twin Cities, MN

June 7, 2007McLeod County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jun 7, 2007, 2:36 AM CDT for McLeod County, Minnesota. It was in force for 24 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: Jun 7, 2007, 2:36 AM CDT (07:36 UTC)
Expired: Jun 7, 2007, 3:00 AM CDT
In force: 24 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County McLeod County, MN

The radar

The Minneapolis radar (KMPX), 61 km from the middle of the area, began a volume at 07:36 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 nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 7.6 hours before the alert went out and 59 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: 914 m above ground
0-6 km bulk shear: 40 kt
0-1 km storm-relative helicity: 342 m²/s²
0-3 km storm-relative helicity: 780 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 3.5

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KMPX 070736
SVRMPX
MNC085-070800-
/O.NEW.KMPX.SV.W.0061.070607T0736Z-070607T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
236 AM CDT THU JUN 7 2007

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  MCLEOD COUNTY IN CENTRAL MINNESOTA...

* UNTIL 300 AM CDT

* AT 231 AM CDT...DOPPLER RADAR INDICATED A LINE OF SEVERE
  THUNDERSTORMS...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS.
   THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 8 MILES
  SOUTHWEST OF BROWNTON TO 7 MILES SOUTH OF BROWNTON...AND MOVING
  NORTHEAST AT 55 MPH.

* LOCATIONS IMPACTED INCLUDE...
  BROWNTON...
  HUTCHINSON...
  WINSTED...

SEVERE THUNDERSTORMS CAN PRODUCE TORNADOES WITH LITTLE OR NO ADVANCE
WARNING. PREPARE TO MOVE TO A PLACE OF SAFETY IN A STURDY STRUCTURE
SUCH AS A BASEMENT OR SMALL INTERIOR ROOM IF A TORNADO IS SPOTTED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 400 AM CDT THURSDAY MORNING
FOR WEST CENTRAL MINNESOTA.

LAT...LON 4464 9451 4464 9427 4497 9401 4499 9439

$$

LS

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 7, 1:32 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Redwood, Watonwan	43 min
Jun 7, 2:09 AM CDT	Severe Thunderstorm Warning	MPX	Brown, Nicollet, Sibley	51 min
Jun 7, 2:26 AM CDT	Severe Thunderstorm Warning	MPX	Le Sueur, Rice	49 min
Jun 7, 2:43 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Rice, Scott	32 min
Jun 7, 2:59 AM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Wright	35 min
Jun 7, 3:07 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Ramsey, Washington	25 min
Jun 7, 3:26 AM CDT	Severe Thunderstorm Warning	MPX	Washington	34 min
Jun 7, 4:14 AM CDT	Wind Advisory	MPX	Anoka, Blue Earth, Brown, Carver, Chippewa, Dakota and 27 more	17 hr
Jun 7, 11:33 AM CDT	Severe Thunderstorm Warning	MPX	Goodhue	57 min
Jun 7, 11:45 AM CDT	Tornado Warning	MPX	Goodhue	45 min
Jun 7, 3:21 PM CDT	Severe Thunderstorm Warning	MPX	Pope	24 min
Jun 7, 5:10 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville	50 min
Jun 7, 6:12 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Wright	46 min
Jun 7, 6:27 PM CDT	Severe Thunderstorm Warning	MPX	Hennepin	33 min
Jun 7, 6:41 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti, Sherburne	49 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2007 Every severe thunderstorm warning in 2007

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.