Alert archive / Minnesota / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 87, NWS Twin Cities, MN

July 13, 2006Stevens County, Swift County, Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Jul 13, 2006, 3:21 PM CDT for Stevens County, Swift County, Minnesota. It was in force for 54 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: Jul 13, 2006, 3:21 PM CDT (20:21 UTC)
Expired: Jul 13, 2006, 4:15 PM CDT
In force: 54 min
Issued by: NWS Twin Cities, MN
Area: Counties, with a storm outline in the text

Counties Stevens County, MN, Swift County, MN

The radar

The Aberdeen radar (KABR), 187 km from the middle of the area, began a volume at 20:24 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
Jul 13, 3:30 PM CDT	HAIL 0.75	8 Sse Chokio, MN
Jul 13, 3:50 PM CDT	HAIL 0.75	1 W Alberta, MN
Jul 13, 3:50 PM CDT	HAIL 1	1 W Alberta, 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

Aberdeen, SD (KABR), launched 12:00Z, 8.4 hours before the alert went out and 196 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: 1529 J/kg
Mixed-layer CIN: -265 J/kg
Mixed-layer LCL: 1146 m above ground
0-6 km bulk shear: 16 kt
0-1 km storm-relative helicity: 155 m²/s²
0-3 km storm-relative helicity: 148 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 132023
SVRMPX
MNC149-151-132115-
/O.NEW.KMPX.SV.W.0087.060713T2021Z-060713T2115Z/

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

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  STEVENS COUNTY IN WEST CENTRAL MINNESOTA...
  SWIFT COUNTY IN WEST CENTRAL MINNESOTA...

* UNTIL 415 PM CDT

* AT 319 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...   
  CAPABLE OF PRODUCING PENNY SIZE HAIL AND 60 MPH WINDS. THIS STORM  
  WAS LOCATED FROM 20 MILES SOUTHWEST OF MORRIS...TO JUST WEST OF    
  APPLETON AND MOVING NORTHEAST AT 20 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MORRIS...
  HANCOCK...
  DONNELLY...
  APPLETON...
  HOLLOWAY...

STAY INDOORS...AND AWAY FROM WINDOWS.

LAT...LON 4550 9624 4520 9603 4517 9587 4557 9574
      4574 9598

$$
JPR

2 follow-up statements

000 
WWUS53 KMPX 132047
SVSMPX

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

MNC149-151-132115-
/O.CON.KMPX.SV.W.0087.000000T0000Z-060713T2115Z/
STEVENS MN-SWIFT MN-
343 PM CDT THU JUL 13 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 415 PM CDT
FOR SWIFT AND STEVENS COUNTIES...

AT 342 PM...DIME SIZE HAIL WAS REPORTED 15 MILES SOUTHWEST OF MORRIS 
WITH THIS STORM.

AT 341 PM CDT...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM...7 
MILES SOUTH OF ALBERTA...OR ABOUT 11 MILES SOUTHWEST OF MORRIS...AND 
MOVING NORTHEAST AT 20 MPH.

OTHER POTENTIALLY SEVERE THUNDERSTORMS WERE LOCATED JUST TO THE WEST 
OF APPLETON.  

OTHER LOCATIONS IN THE WARNING INCLUDE MORRIS...HANCOCK AND DONNELLY.

LAT...LON 4550 9624 4520 9603 4517 9587 4557 9574
      4574 9598

$$
JPR

000 
WWUS53 KMPX 132115
SVSMPX

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

MNC149-151-132123-
/O.EXP.KMPX.SV.W.0087.000000T0000Z-060713T2115Z/
STEVENS MN-SWIFT MN-
413 PM CDT THU JUL 13 2006

...THE SEVERE THUNDERSTORM WARNING FOR SWIFT AND STEVENS COUNTIES
EXPIRES AT 415 PM CDT...

SEVERE STORMS HAVE WEAKENED OVER THE AREA...BUT STRONG STORMS 
CONTINUE FROM AROUND MORRIS TO APPLETON. THUNDERSTORMS WERE STILL 
DEVELOPING IN THE AREA SO REMAIN ALERT FOR POSSIBLE ADDITIONAL 
WARNINGS.

LAT...LON 4550 9624 4520 9603 4517 9587 4557 9574
      4574 9598

$$

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, 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, 6:13 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa	50 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.