Alert archive / Minnesota / Special Weather Statements in 2010

Special Weather Statement, NWS Twin Cities, MN

June 23, 2010Anoka County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jun 23, 2010, 4:10 AM CDT for Anoka County, Minnesota. It was in force for 50 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 23, 2010, 4:10 AM CDT (09:10 UTC)
Expired: Jun 23, 2010, 5:00 AM CDT
In force: 50 min
Issued by: NWS Twin Cities, MN

County Anoka County, MN

The radar

The Minneapolis radar (KMPX), 59 km from the middle of the area, began a volume at 09:12 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, 9.2 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: 2158 J/kg
Mixed-layer CIN: -6 J/kg
Mixed-layer LCL: 1458 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: 60 m²/s²
0-3 km storm-relative helicity: 126 m²/s²
Significant tornado parameter: 0.7
Supercell composite: 7.8

Open this sounding in Storm Lab

The text

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

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What forecasters said that day

The local office's own words before this special weather statement went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Twin Cities, MN wrote its last area forecast discussion before this special weather statement went out at Jun 23, 2:30 AM CDT, 1 hour 40 minutes earlier.

Area forecast discussion, Jun 23, 2:30 AM CDT, 1 hour 40 minutes before

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Hazardous weather outlook, Jun 23, 3:46 AM CDT, 24 minutes before

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In the hours before

Special weather statement, Jun 23, 2:02 AM CDT, 2 hours 8 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
202 AM CDT WED JUN 23 2010

MNZ045-230745-
KANABEC-
202 AM CDT WED JUN 23 2010

AT 202 AM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 5 MILES NORTH OF MORA...OR 7 MILES WEST OF QUAMBA. THIS
STORM WAS MOVING EAST AT 20 MPH.

HAIL UP TO NICKEL SIZE AND WINDS UP TO 50 MPH ARE EXPECTED WITH THIS
STORM.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

RAINFALL AMOUNTS OF ONE TO TWO INCHES ARE POSSIBLE FROM THE
THUNDERSTORM THROUGH 300 AM CDT. THIS MAY RESULT IN BRIEF RUNOFF
PROBLEMS AND PONDING OF WATER ON AREA ROADWAYS.

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

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR THE AREA.

&&

LAT...LON 4599 9304 4598 9306 4597 9312 4582 9313
      4576 9351 4594 9352 4603 9330 4611 9305
TIME...MOT...LOC 0702Z 248DEG 16KT 4595 9329

Special weather statement, Jun 23, 2:10 AM CDT, 2 hours before

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Special weather statement, Jun 23, 2:33 AM CDT, 1 hour 37 minutes before

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Special weather statement, Jun 23, 2:58 AM CDT, 1 hour 12 minutes before

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Special weather statement, Jun 23, 3:29 AM CDT, 41 minutes before

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Special weather statement, Jun 23, 4:10 AM CDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 22, 10:07 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn	53 min
Jun 22, 10:48 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	33 min
Jun 22, 11:36 PM CDT	Special Weather Statement	MPX	Faribault	39 min
Jun 22, 11:54 PM CDT	Areal Flood Advisory	MPX	Faribault, Freeborn, Martin	5 hr
Jun 23, 12:46 AM CDT	Special Weather Statement	MPX	Faribault, Martin	89 min
Jun 23, 1:26 AM CDT	Special Weather Statement	MPX	Blue Earth, Brown, Nicollet, Redwood, Watonwan	64 min
Jun 23, 2:02 AM CDT	Special Weather Statement	MPX	Kanabec	43 min
Jun 23, 2:10 AM CDT	Special Weather Statement	MPX	Le Sueur, Nicollet, Renville, Rice, Scott, Sibley	65 min
Jun 23, 2:23 AM CDT	Areal Flood Advisory	MPX	Benton, Chippewa, Kanabec, Kandiyohi, Meeker, Mille Lacs and 5 more	4 hr
Jun 23, 2:26 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Kanabec, Mille Lacs, Morrison	49 min
Jun 23, 2:33 AM CDT	Special Weather Statement	MPX	Carver, Dakota, Le Sueur, McLeod, Nicollet, Renville and 3 more	57 min
Jun 23, 2:58 AM CDT	Special Weather Statement	MPX	Anoka, Chisago, Hennepin, Isanti, Meeker, Ramsey and 3 more	77 min
Jun 23, 3:29 AM CDT	Special Weather Statement	MPX	Blue Earth, Brown, Chippewa, Faribault, Freeborn, Kandiyohi and 14 more	61 min
Jun 23, 3:46 PM CDT	Special Weather Statement	MPX	Rusk	44 min

Nearby

Special Weather Statements in Minnesota, 2010 Every special weather statement 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.