Alert archive / Minnesota / Special Weather Statements in 2010

Special Weather Statement, NWS Twin Cities, MN

July 22, 2010Pope County, Minnesota

NWS Twin Cities, MN issued this special weather statement at Jul 22, 2010, 9:09 PM CDT for Pope County, Minnesota. It was in force for 51 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: Jul 22, 2010, 9:09 PM CDT (02:09 UTC)
Expired: Jul 22, 2010, 10:00 PM CDT
In force: 51 min
Issued by: NWS Twin Cities, MN

County Pope County, MN

The radar

The Minneapolis radar (KMPX), 151 km from the middle of the area, began a volume at 02:09 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, 2.2 hours before the alert went out and 149 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 684 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 31 m²/s²
0-3 km storm-relative helicity: 108 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.

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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 Jul 22, 8:56 PM CDT, 13 minutes earlier.

Area forecast discussion, Jul 22, 8:56 PM CDT, 13 minutes before

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Hazardous weather outlook, Jul 22, 5:29 PM CDT, 3 hours 40 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
529 PM CDT THU JUL 22 2010

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
231745-
DOUGLAS-TODD-MORRISON-MILLE LACS-KANABEC-STEVENS-POPE-STEARNS-
BENTON-SHERBURNE-ISANTI-CHISAGO-LAC QUI PARLE-SWIFT-CHIPPEWA-
KANDIYOHI-MEEKER-WRIGHT-HENNEPIN-ANOKA-RAMSEY-WASHINGTON-
YELLOW MEDICINE-RENVILLE-MCLEOD-SIBLEY-CARVER-SCOTT-DAKOTA-
REDWOOD-BROWN-NICOLLET-LE SUEUR-RICE-GOODHUE-WATONWAN-BLUE EARTH-
WASECA-STEELE-MARTIN-FARIBAULT-FREEBORN-POLK-BARRON-RUSK-
ST. CROIX-PIERCE-DUNN-PEPIN-EAU CLAIRE-
529 PM CDT THU JUL 22 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTHERN MINNESOTA...AND WEST CENTRAL WISCONSIN.

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL AND
SOUTHERN MINNESOTA...AND WEST CENTRAL WISCONSIN.

.DAY ONE...TONIGHT

SCATTERED NON-SEVERE THUNDERSTORMS WILL OCCUR ACROSS WEST CENTRAL
MINNESOTA...AND INTO PORTIONS OF CENTRAL MINNESOTA TONIGHT. GUSTY
WINDS...HAIL AND HEAVY RAIN WILL ACCOMPANY THE STRONGEST STORMS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS SOUTHERN
AND WEST CENTRAL MINNESOTA FOR MAINLY FRIDAY EVENING AS A STRONG
UPPER LEVEL LOW PRESSURE APPROACHES THE AREA. THERE IS ANOTHER
CHANCE OF THUNDERSTORMS ON SATURDAY AND AGAIN THE MIDDLE OF NEXT
WEEK

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION WILL NOT BE NEEDED.

In the hours before

Special weather statement, Jul 22, 8:05 PM CDT, 1 hour 4 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
805 PM CDT THU JUL 22 2010

MNZ041-042-048-049-230145-
DOUGLAS-POPE-STEARNS-TODD-
805 PM CDT THU JUL 22 2010

...THUNDERSTORMS MOVING INTO/DEVELOPING OVER DOUGLAS...POPE...STEARNS
AND TODD COUNTIES THROUGH 845 PM CDT...

AT 804 PM CDT...WEATHER SERVICE RADAR WAS TRACKING A STRONG
THUNDERSTORM 3 MILES SOUTHWEST OF GARFIELD. THIS STORM WAS MOVING
EAST AT 25 MPH.

HAIL UP TO DIME SIZE...WINDS UP TO 40 MPH...AND HEAVY DOWNPOURS ARE
EXPECTED WITH THIS STORM.

* LOCATIONS IN OR NEAR THE PATH OF THIS STORM INCLUDE...
  GARFIELD.
  ALEXANDRIA.
  FORADA.
  NELSON.
  OSAKIS.

LAT...LON 4593 9496 4569 9505 4585 9572 4603 9565
TIME...MOT...LOC 0105Z 285DEG 22KT 4591 9553

Local storm report, Jul 22, 8:16 PM CDT, 53 minutes before

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Special weather statement, Jul 22, 8:37 PM CDT, 32 minutes before

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Special weather statement, Jul 22, 9:09 PM 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
Jul 22, 8:05 PM CDT	Special Weather Statement	MPX	Douglas	40 min
Jul 22, 8:13 PM CDT	Tornado Warning	MPX	Douglas, Todd	32 min
Jul 22, 8:37 PM CDT	Special Weather Statement	MPX	Pope	38 min
Jul 22, 9:13 PM CDT	Special Weather Statement	MPX	Pope	47 min
Jul 22, 9:50 PM CDT	Special Weather Statement	MPX	Stearns	40 min
Jul 23, 3:55 AM CDT	Flash Flood Watch	MPX	Blue Earth, Faribault, Freeborn, Martin, Steele, Waseca and 1 more	22 hr

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.