Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 91, NWS Twin Cities, MN

July 13, 2006Chippewa County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 13, 2006, 6:13 PM CDT for Chippewa County, Minnesota. It was in force for 50 min. 2 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: Jul 13, 2006, 6:13 PM CDT (23:13 UTC)
Expired: Jul 13, 2006, 7:03 PM CDT
In force: 50 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

County Chippewa County, MN

The radar

The Minneapolis radar (KMPX), 155 km from the middle of the area, began a volume at 23:16 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
Jul 13, 6:43 PM CDT	TSTM WND GST 60	Clara City, MN	MEASURED BY MNDOT ROAD WEATHER SENSOR. RWIS MEASURED 60 MPH FOR 10 MINUTES.
Jul 13, 6:48 PM CDT	TSTM WND GST 60	Clara City, MN

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
Jul 13, 2:25 PM CDT	Severe Thunderstorm Watch	SPC	8 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.2 hours before the alert went out and 153 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: 819 J/kg
Mixed-layer CIN: -107 J/kg
Mixed-layer LCL: 793 m above ground
0-6 km bulk shear: 5 kt
0-1 km storm-relative helicity: -56 m²/s²
0-3 km storm-relative helicity: -19 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.

000 
WUUS53 KMPX 132315
SVRMPX
MNC023-140015-
/O.NEW.KMPX.SV.W.0091.060713T2313Z-060714T0015Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
613 PM CDT THU JUL 13 2006

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CHIPPEWA COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 715 PM CDT

* AT 612 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...   
  CAPABLE OF PRODUCING QUARTER SIZE HAIL AND 65 MPH WINDS. THIS      
  STORM WAS LOCATED NEAR MONTEVIDEO....AND MOVING EAST AT 15 MPH.

* LOCATIONS IMPACTED INCLUDE...
  CLARA CITY...
  MONTEVIDEO...
  MAYNARD...

THIS IS A DANGEROUS STORM. IF YOU ARE IN ITS PATH...PREPARE
IMMEDIATELY FOR DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD
TO GROUND LIGHTNING. PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT AWAY FROM WINDOWS.

LAT...LON 4499 9582 4482 9553 4489 9548 4491 9527
      4513 9528

$$
JPR

1 follow-up statement

000 
WWUS53 KMPX 140003
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
703 PM CDT THU JUL 13 2006

MNC023-140013-
/O.CAN.KMPX.SV.W.0091.000000T0000Z-060714T0015Z/
CHIPPEWA MN-
703 PM CDT THU JUL 13 2006

...THE SEVERE THUNDERSTORM WARNING FOR CHIPPEWA COUNTY IN WEST
CENTRAL MINNESOTA IS CANCELLED...

RADAR INDICATED THAT THE SEVERE THUNDERSTORM HAD MOVED OUT OF THE
WARNED AREA. THUS THE WARNING HAS BEEN CANCELLED.

LAT...LON 4499 9582 4482 9553 4489 9548 4491 9527
      4513 9528

$$

JPR

The office that day

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

Issued	Product	Office	Counties	Lasted
Jul 13, 3:53 AM CDT	Excessive Heat Watch	MPX	Hennepin, Ramsey	34 hr
Jul 13, 3:09 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle	66 min
Jul 13, 3:21 PM CDT	Severe Thunderstorm Warning	MPX	Stevens, Swift	54 min
Jul 13, 4:10 PM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	65 min
Jul 13, 5:12 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle	63 min
Jul 13, 5:21 PM CDT	Flash Flood Warning	MPX	Chippewa, Lac qui Parle, Swift	3 hr
Jul 13, 5:53 PM CDT	Severe Thunderstorm Warning	MPX	Yellow Medicine	67 min
Jul 13, 6:37 PM CDT	Severe Thunderstorm Warning	MPX	Renville	53 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2006 Every severe thunderstorm warning in 2006

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.