Alert archive / Minnesota / Special Weather Statements in 2012

Special Weather Statement, NWS Twin Cities, MN

May 28, 2012Chisago County, Minnesota

NWS Twin Cities, MN issued this special weather statement at May 28, 2012, 4:18 PM CDT for Chisago County, Minnesota. It was in force for 42 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 28, 2012, 4:18 PM CDT (21:18 UTC)
Expired: May 28, 2012, 5:00 PM CDT
In force: 42 min
Issued by: NWS Twin Cities, MN

County Chisago County, MN

The radar

The Minneapolis radar (KMPX), 93 km from the middle of the area, began a volume at 21:20 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, 9.3 hours before the alert went out and 95 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: 60 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 553 m above ground
0-6 km bulk shear: 69 kt
0-1 km storm-relative helicity: 92 m²/s²
0-3 km storm-relative helicity: 144 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

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

395 
WWUS83 KMPX 282118
SPSMPX

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
418 PM CDT MON MAY 28 2012

MNZ052-053-282200-
CHISAGO-ISANTI-
418 PM CDT MON MAY 28 2012

...THUNDERSTORMS MOVING OVER CHISAGO AND ISANTI COUNTIES THROUGH 500 
PM CDT...

AT 417 PM CDT...WEATHER SERVICE RADAR WAS TRACKING STRONG
THUNDERSTORMS ALONG A LINE EXTENDING FROM 3 MILES SOUTHWEST OF QUAMBA
TO 4 MILES NORTHWEST OF ST FRANCIS. THESE STORMS WERE MOVING EAST AT
35 MPH.

HAIL UP TO DIME SIZE AND WINDS UP TO 30 MPH ARE EXPECTED WITH THESE
STORMS.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  BODUM.
  RUSH CITY.
  NORTH BRANCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO THE
STORM TO BE STRUCK BY LIGHTNING. SEEK SAFE SHELTER IMMEDIATELY.

THIS THUNDERSTORM COULD INTENSIFY QUICKLY...SO BE READY TO ACT IF A
WARNING IS ISSUED.

&&

LAT...LON 4557 9288 4556 9287 4557 9278 4555 9275
      4546 9284 4542 9302 4542 9325 4565 9314
      4574 9314 4573 9286
TIME...MOT...LOC 2118Z 248DEG 31KT 4589 9322 4542 9342

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 27, 7:09 PM CDT	Areal Flood Advisory	MPX	Chisago	3 hr
May 27, 7:15 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott	60 min
May 27, 7:27 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, Scott	48 min
May 27, 7:30 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Brown, Nicollet, Sibley, Watonwan	60 min
May 27, 7:39 PM CDT	Special Weather Statement	MPX	Ramsey, Washington	51 min
May 27, 7:44 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Stearns	61 min
May 27, 7:45 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Hennepin	45 min
May 27, 7:50 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Le Sueur, Nicollet, Waseca	55 min
May 27, 7:55 PM CDT	Flash Flood Warning	MPX	Chisago	5 hr
May 27, 8:07 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker, Renville	53 min
May 27, 8:15 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Ramsey	34 min
May 27, 8:22 PM CDT	Areal Flood Advisory	MPX	Anoka, Carver, Dakota, Hennepin, Ramsey, Scott and 1 more	6 hr
May 27, 8:24 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Hennepin, McLeod, Scott, Wright	51 min
May 27, 8:29 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Isanti	46 min
May 27, 8:33 PM CDT	Severe Thunderstorm Warning	MPX	Kandiyohi, Meeker	57 min
May 27, 8:58 PM CDT	Severe Thunderstorm Warning	MPX	Anoka, Chisago, Isanti, Kanabec	62 min
May 27, 9:15 PM CDT	Special Weather Statement	MPX	Brown, Martin, Watonwan	45 min
May 27, 9:27 PM CDT	Flash Flood Warning	MPX	Blue Earth, Brown, Hennepin, McLeod, Meeker, Nicollet and 4 more	6 hr
May 27, 9:28 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Morrison, Sherburne, Stearns	62 min
May 27, 9:43 PM CDT	Severe Thunderstorm Warning	MPX	Benton, Isanti, Kanabec, Mille Lacs	62 min
May 27, 9:46 PM CDT	Flash Flood Warning	MPX	Anoka, Carver, Chisago, Dakota, Hennepin, Isanti and 2 more	6 hr
May 27, 9:53 PM CDT	Flash Flood Warning	MPX	Benton, Mille Lacs, Sherburne, Stearns	4 hr
May 27, 10:02 PM CDT	Special Weather Statement	MPX	Blue Earth, Martin, Nicollet, Sibley, Waseca	43 min
May 27, 10:09 PM CDT	Special Weather Statement	MPX	Mille Lacs, Morrison	51 min
May 27, 10:19 PM CDT	Areal Flood Advisory	MPX	Kanabec, Mille Lacs, Morrison	4 hr
May 27, 10:42 PM CDT	Special Weather Statement	MPX	Dakota, Freeborn, Rice, Steele, Waseca	48 min
May 27, 11:00 PM CDT	River Flood Warning	MPX	Brown	66 hr
May 27, 11:05 PM CDT	Special Weather Statement	MPX	Dakota, Freeborn, Goodhue, Steele	40 min
May 27, 11:23 PM CDT	Severe Thunderstorm Warning	MPX	Dakota, Goodhue	29 min
May 28, 12:58 AM CDT	Areal Flood Warning	MPX	Chisago	6 hr
May 28, 9:34 AM CDT	River Flood Warning	MPX	Hennepin, Wright	6 days
May 28, 1:54 PM CDT	Special Weather Statement	MPX	Benton, Stearns	66 min
May 28, 2:10 PM CDT	Severe Thunderstorm Warning	MPX	Stearns	50 min
May 28, 2:26 PM CDT	Special Weather Statement	MPX	Benton, Mille Lacs	64 min
May 28, 2:44 PM CDT	Severe Thunderstorm Warning	MPX	Mille Lacs, Morrison	61 min
May 28, 2:46 PM CDT	Severe Thunderstorm Warning	MPX	Benton	44 min
May 28, 2:48 PM CDT	Special Weather Statement	MPX	Morrison	42 min
May 28, 3:05 PM CDT	Special Weather Statement	MPX	Benton	40 min
May 28, 3:26 PM CDT	Special Weather Statement	MPX	Isanti, Kanabec, Sherburne	79 min
May 28, 3:30 PM CDT	Severe Thunderstorm Warning	MPX	Kanabec	45 min
May 28, 4:51 PM CDT	Special Weather Statement	MPX	Chisago	24 min
May 28, 5:33 PM CDT	Special Weather Statement	MPX	Chisago	42 min
May 27, 7:18 PM CDT	Tornado Warning	MPX	Polk	27 min
May 27, 11:26 PM CDT	Special Weather Statement	MPX	Dunn, Pepin, Pierce	49 min
May 28, 5:49 PM CDT	Special Weather Statement	MPX	Polk	56 min
May 28, 6:12 PM CDT	Special Weather Statement	MPX	Polk	33 min

Nearby

Special Weather Statements in Minnesota, 2012 Every special weather statement in 2012

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.