Alert archive / Minnesota / Tornado Warnings in 2010

Tornado Warning 98, NWS Twin Cities, MN

August 13, 2010Chisago County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Aug 13, 2010, 2:13 PM CDT for Chisago County, Minnesota. It was in force for 17 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: Aug 13, 2010, 2:13 PM CDT (19:13 UTC)
Expired: Aug 13, 2010, 2:30 PM CDT
In force: 17 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon

County Chisago County, MN

The radar

The Minneapolis radar (KMPX), 107 km from the middle of the area, began a volume at 19:14 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 12:00Z, 7.2 hours before the alert went out and 108 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: 112 J/kg
Mixed-layer CIN: -488 J/kg
Mixed-layer LCL: 959 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 177 m²/s²
0-3 km storm-relative helicity: 206 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.7

Open this sounding in Storm Lab

The text

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

464 
WFUS53 KMPX 131913
TORMPX
MNC025-131930-
/O.NEW.KMPX.TO.W.0098.100813T1913Z-100813T1930Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
213 PM CDT FRI AUG 13 2010

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN CHISAGO COUNTY IN EAST CENTRAL MINNESOTA...

* UNTIL 230 PM CDT

* AT 209 PM CDT...RADAR WAS TRACKING A SEVERE STORM WITH STRONG
  ROTATION. THE MOST DANGEROUS PART OF THE STORM WAS 3 MILES WEST OF
  RUSH CITY...AND MOVING NORTHEAST AT 25 MPH.

* LOCATIONS IN THE WARNING INCLUDE...
  RUSH CITY...
  
PRECAUTIONARY/PREPAREDNESS ACTIONS...

WHEN A TORNADO WARNING IS ISSUED BASED ON RADAR...IT MEANS THAT
STRONG ROTATION HAS BEEN DETECTED IN THE STORM. A TORNADO MAY ALREADY
BE ON THE GROUND...OR IS EXPECTED TO DEVELOP SHORTLY.

&&

LAT...LON 4572 9283 4565 9288 4562 9305 4574 9313
      4575 9311 4574 9284
TIME...MOT...LOC 1913Z 246DEG 20KT 4569 9299

$$

JLT

1 follow-up statement

082 
WWUS53 KMPX 131928
SVSMPX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
228 PM CDT FRI AUG 13 2010

MNC025-131938-
/O.EXP.KMPX.TO.W.0098.000000T0000Z-100813T1930Z/
CHISAGO MN-
228 PM CDT FRI AUG 13 2010

...THE TORNADO WARNING FOR NORTHWESTERN CHISAGO COUNTY WILL EXPIRE AT
230 PM CDT...

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

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN THE TWIN CITIES.

LAT...LON 4572 9283 4565 9288 4562 9305 4574 9313
      4575 9311 4574 9284
TIME...MOT...LOC 1928Z 246DEG 20KT 4572 9288

$$

JLT

The office that day

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

Issued	Product	Office	Counties	Lasted
Aug 12, 7:02 PM CDT	Tornado Warning	MPX	Swift	43 min
Aug 12, 7:10 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Stearns, Swift	65 min
Aug 12, 7:20 PM CDT	Severe Thunderstorm Warning	MPX	Stearns, Todd	40 min
Aug 12, 7:25 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, McLeod, Meeker, Sherburne, Sibley and 1 more	50 min
Aug 12, 7:36 PM CDT	Severe Thunderstorm Warning	MPX	Douglas	24 min
Aug 12, 7:43 PM CDT	Special Weather Statement	MPX	Le Sueur, Rice, Scott	47 min
Aug 12, 7:58 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison, Sherburne, Stearns, Todd	62 min
Aug 12, 8:08 PM CDT	Special Weather Statement	MPX	Anoka, Isanti, Ramsey	37 min
Aug 12, 8:14 PM CDT	Tornado Warning	MPX	Benton, Sherburne, Stearns	25 min
Aug 12, 8:28 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Isanti, Kanabec, Mille Lacs, Morrison	62 min
Aug 12, 8:44 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti	46 min
Aug 12, 10:15 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Renville, Yellow Medicine	60 min
Aug 12, 10:57 PM CDT	Areal Flood Advisory	MPX	Brown, Chippewa, Kandiyohi, Lac qui Parle, Meeker, Nicollet and 8 more	6 hr
Aug 12, 11:03 PM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Kandiyohi, Renville, Yellow Medicine	57 min
Aug 12, 11:25 PM CDT	Flash Flood Warning	MPX	Chippewa, Kandiyohi, Lac qui Parle, Renville, Yellow Medicine	3 hr
Aug 12, 11:28 PM CDT	Severe Thunderstorm Warning	MPX	Redwood, Renville, Yellow Medicine	47 min
Aug 13, 12:10 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault, Martin, Watonwan	65 min
Aug 13, 12:13 AM CDT	Flash Flood Warning	MPX	McLeod, Meeker, Renville, Sibley, Wright	3 hr
Aug 13, 12:28 AM CDT	Severe Thunderstorm Warning	MPX	McLeod, Meeker, Renville	62 min
Aug 13, 12:44 AM CDT	Areal Flood Advisory	MPX	Anoka, Carver, Dakota, Hennepin, Ramsey, Scott and 3 more	3 hr
Aug 13, 1:05 AM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Scott, Sibley	55 min
Aug 13, 1:12 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet, Waseca	63 min
Aug 13, 1:50 AM CDT	Special Weather Statement	MPX	Anoka, Dakota, Hennepin, Ramsey, Rice, Washington	70 min
Aug 13, 1:56 AM CDT	Areal Flood Advisory	MPX	Blue Earth, Le Sueur, Nicollet, Rice, Sibley, Steele and 1 more	3 hr
Aug 13, 2:09 AM CDT	Flash Flood Warning	MPX	Carver, Dakota, Hennepin, Ramsey, Scott, Washington	3 hr
Aug 13, 2:09 AM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Rice, Steele, Waseca	66 min
Aug 13, 2:52 AM CDT	Severe Thunderstorm Warning	MPX	Goodhue	53 min
Aug 13, 3:14 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Rice, Steele	61 min
Aug 13, 3:30 AM CDT	Flash Flood Warning	MPX	Goodhue	3 hr
Aug 13, 3:41 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Washington	64 min
Aug 13, 3:55 AM CDT	Tornado Warning	MPX	Goodhue	18 min
Aug 13, 4:11 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Le Sueur, Rice, Scott, Washington	64 min
Aug 13, 4:26 AM CDT	Severe Thunderstorm Warning	MPX	Anoka, Carver, Dakota, Hennepin, McLeod, Ramsey and 4 more	64 min
Aug 13, 4:38 AM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue, Washington	67 min
Aug 13, 5:25 AM CDT	Special Weather Statement	MPX	Pope	50 min
Aug 13, 5:38 AM CDT	Severe Thunderstorm Warning	MPX	Pope, Stevens, Swift	52 min
Aug 13, 6:10 AM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Pope, Stearns, Swift	50 min
Aug 13, 6:52 AM CDT	Special Weather Statement	MPX	Meeker	53 min
Aug 13, 1:05 PM CDT	Special Weather Statement	MPX	Isanti	40 min
Aug 13, 1:46 PM CDT	Special Weather Statement	MPX	Stearns	29 min
Aug 13, 2:25 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Meeker, Morrison, Sherburne, Stearns, Todd and 1 more	65 min
Aug 13, 2:37 PM CDT	Special Weather Statement	MPX	Carver, McLeod, Nicollet, Sibley	23 min
Aug 13, 2:53 PM CDT	Severe Thunderstorm Warning	MPX	Carver, McLeod, Sibley, Wright	52 min
Aug 13, 3:01 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Mille Lacs, Morrison, Sherburne, Stearns, Wright	59 min
Aug 13, 3:19 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Chisago, Isanti, Kanabec, Mille Lacs, Morrison and 1 more	56 min
Aug 13, 4:34 PM CDT	Special Weather Statement	MPX	McLeod, Sherburne, Wright	41 min
Aug 13, 4:36 PM CDT	Special Weather Statement	MPX	McLeod, Sherburne, Wright	39 min
Aug 13, 5:34 PM CDT	Tornado Warning	MPX	Blue Earth, Le Sueur, Waseca	56 min
Aug 13, 5:36 PM CDT	Severe Thunderstorm Warning	MPX	Washington	54 min
Aug 13, 5:40 PM CDT	Areal Flood Warning	MPX	Goodhue	6 hr
Aug 13, 6:13 PM CDT	Flash Flood Warning	MPX	Dakota	66 min

Nearby

Tornado Warnings in Minnesota, 2010 Every tornado warning in 2010 Tornadoes in 2010

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.