Damaging storms move east. Nicer holiday weekend!

Update 9pm:

Storms moving east overnight.

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-Latest warnings and damage reports.

-Latest Twin Cities radar loop

-Weekend forecast here.

I’m away on vacation next week. Have a great 4th of July weekend!

PH

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Hi….just wanted to pass this pic on, I took at it 650pm this evening near Madelia as the storm moved in. You can see the first big gusts stirring up dust on the road. Photo by Mark Steil.

MPX: White Bear Lake [Ramsey Co, MN] amateur radio reports TSTM WND DMG at 01 Jul, 07:31 AM CDT — 6-8 inch branches down

Update 7:45pm:

New line of storms exhibiting “bow echo” trends moving toward the metro fromthe southwest. Expect storms to increase between 8 and 9pm in the metro from southwest to northeast.

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BULLETIN – IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN

723 PM CDT FRI JUL 1 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…

SOUTHERN CARVER COUNTY IN EAST CENTRAL MINNESOTA…

WESTERN AND NORTHERN LE SUEUR COUNTY IN SOUTH CENTRAL

MINNESOTA…

SOUTHEASTERN MCLEOD COUNTY IN CENTRAL MINNESOTA…

EASTERN NICOLLET COUNTY IN SOUTH CENTRAL MINNESOTA…

WESTERN SCOTT COUNTY IN EAST CENTRAL MINNESOTA…

EASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA…

* UNTIL 800 PM CDT

* AT 717 PM CDT…RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS…

CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS

OF 65 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM

NEW AUBURN TO 10 MILES NORTH OF NORTH MANKATO…AND MOVING EAST AT

40 MPH.

LOCATIONS IN THE WARNING INCLUDE…

GAYLORD…

ST PETER…

LE SUEUR…

NEW AUBURN…

BELLE PLAINE…

GLENCOE…

RUSH RIVER…

KASOTA…

ARLINGTON…

PLATO…

GREEN ISLE…

CLEVELAND…

HAMBURG…

HENDERSON…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

IF YOU ARE IN THE PATH OF THIS STORM…PREPARE IMMEDIATELY FOR

DAMAGING WINDS IN EXCESS OF 60 MPH AND LARGE HAIL. SEEK SHELTER NOW

INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

Update 7:10pm:

Storm reports still coming in this evening.

MPX: Buffalo [Wright Co, MN] trained spotter reports TSTM WND DMG at 06:53 PM CDT — top of large trees being snapped

MPX: Elk River [Sherburne Co, MN] amateur radio reports TSTM WND DMG at 06:57 PM CDT — trees down over roads in town

MPX: St Louis Park [Hennepin Co, MN] trained spotter reports TSTM WND DMG at 06:50 PM CDT — trees down around highway 169…4 miles south of 49th ave. time estimated.

MPX: Buffalo [Wright Co, MN] trained spotter reports TSTM WND DMG at 06:53 PM CDT — top of large trees being snapped

New line of storms pushing through southern Minnesota may approach metro between 8-9pm.

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***

BULLETIN – EAS ACTIVATION REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN

642 PM CDT FRI JUL 1 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…

ANOKA COUNTY IN EAST CENTRAL MINNESOTA…

BENTON COUNTY IN CENTRAL MINNESOTA…

CHISAGO COUNTY IN EAST CENTRAL MINNESOTA…

NORTHWESTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA…

ISANTI COUNTY IN EAST CENTRAL MINNESOTA…

KANABEC COUNTY IN EAST CENTRAL MINNESOTA…

MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA…

EASTERN MORRISON COUNTY IN CENTRAL MINNESOTA…

SHERBURNE COUNTY IN CENTRAL MINNESOTA…

EASTERN STEARNS COUNTY IN CENTRAL MINNESOTA…

WRIGHT COUNTY IN CENTRAL MINNESOTA…

NORTHWESTERN POLK COUNTY IN NORTHWEST WISCONSIN…

* UNTIL 745 PM CDT

* AT 640 PM CDT…RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS…

CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN

EXCESS OF 75 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING

FROM HOLDINGFORD TO BECKER TO HAMEL…AND MOVING NORTHEAST AT 40

MPH.

LOCATIONS IN THE WARNING INCLUDE…

ST CLOUD…

BUFFALO…

PRINCETON…

MILACA…

CAMBRIDGE…

NORTH BRANCH…

MORA…

HANOVER…

MONTICELLO…

CLEAR LAKE…

BECKER…

HAMEL…

HOLDINGFORD…

WAITE PARK…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS

STORM…PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS…WHICH CAN UPROOT

TREES…DOWN POWER LINES…AND CAUSE DAMAGE TO ROOFS AND WINDOWS.

EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO

EXPECTED…WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK

SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS

Update 6:30pm:

Expect scattered storms in the metro this evening. Damage reports continue to the west.

MPX: 1 S Big Lake [Sherburne Co, MN] amateur radio reports TSTM WND GST of M71 MPH at 06:15 PM CDT –

MPX: Monticello [Wright Co, MN] trained spotter reports HAIL of baseball size (M2.75 INCH) at 05:45 PM CDT — time estimated.

MPX: 1 S Cosmos [Meeker Co, MN] trained spotter reports TSTM WND DMG at 06:00 PM CDT — several large trees down…a few homes damaged.

MPX: Hutchinson [Mcleod Co, MN] trained spotter reports TSTM WND DMG at 06:17 PM CDT — many large trees downed. roof damage to home residence.

BULLETIN – EAS ACTIVATION REQUESTED

TORNADO WARNING

NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN

620 PM CDT FRI JUL 1 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* TORNADO WARNING FOR…

BENTON COUNTY IN CENTRAL MINNESOTA…

NORTHWESTERN SHERBURNE COUNTY IN CENTRAL MINNESOTA…

EASTERN STEARNS COUNTY IN CENTRAL MINNESOTA…

* UNTIL 645 PM CDT

* AT 617 PM CDT…RADAR INDICATED A STORM CAPABLE OF PRODUCING A

TORNADO. THE MOST DANGEROUS PART OF THE STORM WAS NEAR ROCKVILLE…

OR ABOUT 2 MILES SOUTHWEST OF PLEASANT LAKE…AND MOVING NORTH AT

40 MPH.

* LOCATIONS IN THE WARNING INCLUDE…

ST CLOUD…

PLEASANT LAKE…

LUXEMBURG…

COLD SPRING…

ST JOSEPH…

WAITE PARK…

COLLEGEVILLE…

SAUK RAPIDS…

SARTELL…

ST STEPHEN…

PARENT…

MAYHEW…

RICE…

This from SPC:

MESOSCALE DISCUSSION 1464

NWS STORM PREDICTION CENTER NORMAN OK

0636 PM CDT FRI JUL 01 2011

AREAS AFFECTED…MN/NWRN WI

CONCERNING…SEVERE THUNDERSTORM WATCH 581…

VALID 012336Z – 020130Z

THE SEVERE WEATHER THREAT FOR SEVERE THUNDERSTORM WATCH 581

CONTINUES.

STRONG/LOCALLY SEVERE STORMS CONTINUE ACROSS MUCH OF THE WW

ATTM…WITH THE MOST INTENSE STORM CLUSTER MOVING ACROSS E CENTRAL

MN INTO NWRN WI. A MESOLOW HAS DEVELOPED WITHIN THIS CLUSTER OF

STORMS — AND WITH VERY MOIST/VERY UNSTABLE DOWNSTREAM

AIRMASS…EXPECT INTENSE CONVECTION TO CONTINUE MOVING NEWD ACROSS

THE WATCH TOWARD WRN LK SUPERIOR AND VICINITY.

VERY LARGE HAIL — INTO THE BASEBALL AND SOFTBALL SIZE RANGE — HAS

OCCURRED WITH THIS CONVECTION…ALONG WITH WIND GUSTS TO 80 MPH.

EXPECT CONTINUED HIGH-END SEVERE POTENTIAL TO CONTINUE WITH

ORGANIZED STORMS INVOF THE MESOLOW…ALONG WITH LESSER — BUT STILL

SUBSTANTIAL — ISOLATED POTENTIAL ELSEWHERE WITHIN/NEAR VALID

PORTIONS OF THE WW.

Update 6:05pm:

Damaging storms continue in much of central MN….especially between the metro and St. Cloud.

MPX: Hutchinson [Mcleod Co, MN] amateur radio reports TSTM WND DMG at 05:55 PM CDT — crow river vet hospital on highway 7 roof off. power pole down. address is 890 south grade road. estimated time.

MPX: 5 N Big Lake [Sherburne Co, MN] amateur radio reports HAIL of baseball size (M2.75 INCH) at 06:02 PM CDT –

MPX: 14 S Hutchinson [Mcleod Co, MN] trained spotter reports TSTM WND DMG at 05:40 PM CDT — semi trailer blown over.

MPX: 1 Se Monticello [Wright Co, MN] trained spotter reports TSTM WND DMG at 05:56 PM CDT — utility power lost.

MPX: 1 S Big Lake [Sherburne Co, MN] amateur radio reports TSTM WND GST of M70 MPH at 06:01 PM CDT —

BULLETIN – EAS ACTIVATION REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN

552 PM CDT FRI JUL 1 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…

WESTERN ANOKA COUNTY IN EAST CENTRAL MINNESOTA…

SOUTHEASTERN BENTON COUNTY IN CENTRAL MINNESOTA…

NORTHWESTERN HENNEPIN COUNTY IN EAST CENTRAL MINNESOTA…

WESTERN ISANTI COUNTY IN EAST CENTRAL MINNESOTA…

NORTHERN MEEKER COUNTY IN CENTRAL MINNESOTA…

SOUTHERN MILLE LACS COUNTY IN EAST CENTRAL MINNESOTA…

SHERBURNE COUNTY IN CENTRAL MINNESOTA…

SOUTHEASTERN STEARNS COUNTY IN CENTRAL MINNESOTA…

WRIGHT COUNTY IN CENTRAL MINNESOTA…

* UNTIL 645 PM CDT

* AT 550 PM CDT…RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS…

CAPABLE OF PRODUCING QUARTER SIZE HAIL AND DESTRUCTIVE WINDS IN

EXCESS OF 75 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING

FROM ST NICHOLAS TO ANNANDALE TO LESTER PRAIRIE…AND MOVING

NORTHEAST AT 60 MPH.

LOCATIONS IN THE WARNING INCLUDE…

BUFFALO…

ST CLOUD…

PRINCETON…

MILACA…

SOUTH HAVEN…

ST NICHOLAS…

KIMBALL…

WATKINS…

COKATO…

EDEN VALLEY…

MANANNAH…

DASSEL…

ANNANDALE…

HOWARD LAKE…

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS IS A DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS

STORM…PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS…WHICH CAN UPROOT

TREES…DOWN POWER LINES…AND CAUSE DAMAGE TO ROOFS AND WINDOWS.

EVACUATE MOBILE HOMES AS THEY MAY BE OVERTURNED. LARGE HAIL IS ALSO

EXPECTED…WHICH CAN CAUSE DAMAGE TO VEHICLES AND WINDOWS. SEEK

SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

DOPPLER RADAR HAS INDICATED SOME WEAK ROTATION WITHIN THIS STORM.

WHILE NOT IMMEDIATELY LIKELY…A TORNADO MAY STILL DEVELOP. IF A

TORNADO IS SPOTTED…ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A

STURDY STRUCTURE…SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

SPECIAL WEATHER STATEMENT

NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN

602 PM CDT FRI JUL 1 2011

MNZ059>062-068-069-076-012345-

ANOKA-CARVER-HENNEPIN-LE SUEUR-RAMSEY-SCOTT-WRIGHT-

602 PM CDT FRI JUL 1 2011

…LINE OF GUSTY WINDS DEVELOPING OVER ANOKA…CARVER…

HENNEPIN…LE SUEUR…RAMSEY…SCOTT AND WRIGHT COUNTIES THROUGH 645

PM CDT…

AT 559 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING

A LINE OF SHOWERS WITH GUSTY WINDS ALONG A LINE EXTENDING FROM

WATERTOWN TO 3 MILES SOUTHEAST OF WACONIA TO 4 MILES NORTHEAST OF

HENDERSON. THIS LINE WAS MOVING EAST AT 30 MPH.

WINDS UP TO 50 MPH ARE EXPECTED WITH THIS LINE OF SHOWERS.

* LOCATIONS IN OR NEAR THE PATH OF INCLUDE…

COLOGNE.

ST BONIFACIUS.

MOUND.

SHOREWOOD.

EXCELSIOR.

WOODLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

IF ON OR NEAR LAKE MINNETONKA…GET OUT OF THE WATER AND MOVE

INDOORS OR INSIDE A VEHICLE. REMEMBER…LIGHTNING CAN STRIKE OUT TO

15 MILES FROM THE PARENT THUNDERSTORM. IF YOU CAN HEAR THUNDER…YOU

ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. MOVE TO SAFE SHELTER

NOW. DON`T BE CAUGHT ON THE WATER IN A THUNDERSTORM!

Update 5:42pm:

SEVERE WEATHER STATEMENT

NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN

541 PM CDT FRI JUL 1 2011

MNC067-085-093-129-143-145-171-012315-

/O.CON.KMPX.SV.W.0096.000000T0000Z-110701T2315Z/

KANDIYOHI MN-MCLEOD MN-MEEKER MN-RENVILLE MN-SIBLEY MN-STEARNS MN-

WRIGHT MN-

541 PM CDT FRI JUL 1 2011

…A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN

WRIGHT…SOUTHEASTERN STEARNS…NORTHWESTERN SIBLEY…EASTERN

RENVILLE…MEEKER…MCLEOD AND SOUTHERN KANDIYOHI COUNTIES UNTIL 615

PM CDT…

AT 536 PM CDT…TRAINED WEATHER SPOTTERS REPORTED A LINE OF SEVERE

THUNDERSTORMS PRODUCING GOLF BALL SIZE HAIL…AND DESTRUCTIVE

HURRICANE FORCE WINDS IN EXCESS OF 80 MPH. THESE STORMS WERE LOCATED

ALONG A LINE EXTENDING FROM 5 MILES SOUTH OF HAWICK TO 6 MILES NORTH

OF LITCHFIELD TO 5 MILES SOUTH OF DASSEL TO BROWNTON…MOVING

NORTHEAST AT 55 MPH.

LOCATIONS IMPACTED INCLUDE…

BISCAY…COKATO…SILVER LAKE…MANANNAH…GLENCOE…EDEN VALLEY…

HOWARD LAKE…WATKINS…KIMBALL…SOUTH HAVEN…FAIRHAVEN…

ANNANDALE…ST NICHOLAS…STOCKHOLM AND KINGSTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS…

THIS IS A VERY DANGEROUS SITUATION. IF YOU ARE IN THE PATH OF THIS

STORM…PREPARE IMMEDIATELY FOR DESTRUCTIVE WINDS AND HAIL…WHICH

WILL UPROOT TREES…DOWN POWER LINES…AND PRODUCE WIDESPREAD DAMAGE

TO BUILDINGS AND VEHICLES. EVACUATE MOBILE HOMES AS THEY MAY BE

OVERTURNED. SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY

FROM WINDOWS.

Update 5:30pm:

Storms deveoping and increasing west of metro now. Expect coverage to increase in next 1-2 hours in west & northwest metro.

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Damaging wind and hail reports continue.

MPX: 2 Ne Renville [Renville Co, MN] trained spotter reports TSTM WND DMG at 05:25 PM CDT — two foot trees down.

MPX: 4 Sw Dassel [Meeker Co, MN] storm chaser reports HAIL of M4.25 INCH at 05:17 PM CDT — via spotter network

MPX: 2 Se Dassel [Meeker Co, MN] trained spotter reports HAIL of quarter size (M1.00 INCH) at 05:09 PM CDT –

MPX: Redwood Falls [Redwood Co, MN] asos reports TSTM WND GST of M63 MPH at 05:11 PM CDT — measured from the redwood falls airport

Update 5:10pm:

Damaging winds in Redwood Falls.

MPX: Redwood Falls [Redwood Co, MN] storm chaser reports HAIL of half dollar size (M1.25 INCH) at 05:00 PM CDT –

MPX: Redwood Falls [Redwood Co, MN] storm chaser reports TSTM WND GST of M78 MPH at 04:58 PM CDT — measured with car anemometer.

BULLETIN – IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WARNING

NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN

431 PM CDT FRI JUL 1 2011

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR…

MEEKER COUNTY IN CENTRAL MINNESOTA…

SOUTHWESTERN WRIGHT COUNTY IN CENTRAL MINNESOTA…

* UNTIL 530 PM CDT

* AT 427 PM CDT…RADAR INDICATED A SEVERE THUNDERSTORM…CAPABLE OF

PRODUCING QUARTER SIZE HAIL AND DAMAGING WINDS IN EXCESS OF 60 MPH.

THIS STORM WAS LOCATED NEAR CEDAR MILLS…OR ABOUT 9 MILES

NORTHWEST OF HUTCHINSON…AND MOVING NORTHEAST AT 35 MPH.

LOCATIONS IN THE WARNING INCLUDE…

LITCHFIELD…

CEDAR MILLS…

CORVUSO…

DARWIN…

DASSEL…

COKATO…

HOWARD LAKE…

WATKINS…

WAVERLY…

MONTROSE…

SOUTH HAVEN…

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GOES 1km visible satellite inage shows mushrooming T-Storm complex over southern Minnesota.

Update 4:55pm:

Continue to take cover in Redwood Falls…damage imminent.

FSD: Marshall [Lyon Co, MN] broadcast media reports HAIL of ping pong ball size (M1.50 INCH) at 04:25 PM CDT — power is out in marshall with numerous trees down and windows blown out. thunderstorm winds were estimated between 65 and 70 miles an hour.

Update 4:35pm:

Possible derecho deveopling now. Expect a long lived damaging wind event with storms moving through southern Minnesota in the next 3-6 hours.

FSD: Marshall [Lyon Co, MN] public reports TSTM WND DMG at 04:28 PM CDT — severe wind damage reported in marshall minnesota.

FSD: Marshall [Lyon Co, MN] trained spotter reports TSTM WND GST of E80 MPH at 04:25 PM CDT — 70 to 80 mile an hour thunderstorm winds in marshall minnesota. lots of wind related damage.

Significant damage reported in Flandrau, SD.

URGENT – IMMEDIATE BROADCAST REQUESTED

LOCAL AREA EMERGENCY

SOUTH DAKOTA EMERGENCY MANAGEMENT AGENCY SIOUX FALLS SOUTH DAKOTA

RELAYED BY NATIONAL WEATHER SERVICE SIOUX FALLS SD

419 PM CDT FRI JUL 1 2011

THE FOLLOWING MESSAGE IS TRANSMITTED AT THE REQUEST OF THE MOODY

COUNTY SOUTH DAKOTA EMERGENCY MANAGENT.

DUE TO SIGNIFICANT DAMAGE IN FLANDREAU…RELATED TO THE

THUNDERSTORMS THAT MOVED THROUGH MOODY COUNTY…NO TRAVEL IS

ADVISED IN THE TOWN OF FLANDREAU. PLEASE AVOID ENTERING THE TOWN

OF FLANDREAU UNLESS IT IS AN EMERGENCY.

Update 4:05 pm:

FSD: 3 W Lake Benton [Lincoln Co, MN] storm chaser reports TSTM WND DMG at 03:50 PM CDT — numerous powerlines down on highway 14

FSD: 4 W Lake Benton [Lincoln Co, MN] storm chaser reports TSTM WND DMG at 03:50 PM CDT — 6-8 inch diameter tree branches down…weather observation site blown down.

FSD: Lake Benton [Lincoln Co, MN] trained spotter reports TSTM WND DMG at 03:51 PM CDT — nickel sized hail and 4 inch plus diameter tree limbs down

Classic tornadic supercell signature now near Tyler heading toward Marshall &Tracy. Tornado warnings extended east. This storm has a history of damaging winds and golf ball sized hail.

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FSD issues Tornado Warning for Lincoln [MN] till 4:30 PM CDT …* AT 354 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR LAKE BENTON…OR 18 MILES NORTH OF PIPESTONE…AND MOVING EAST AT 60 MPH.

FSD: Tyler [Lincoln Co, MN] trained spotter reports HAIL of golf ball size (E1.75 INCH) at 03:59 PM CDT –

FSD: 9 W Lake Benton [Brookings Co, SD] trained spotter reports TSTM WND GST of E65 MPH at 03:47 PM CDT –

FSD: 5 W Elkton [Brookings Co, SD] trained spotter reports TSTM WND GST of E70 MPH at 03:42 PM CDT — thunderstorm wind gusts estimated at 70 mph, with heavy rain and penny sized hail.

BULLETIN – EAS ACTIVATION REQUESTED

FLASH FLOOD WARNING

NATIONAL WEATHER SERVICE SIOUX FALLS SD

402 PM CDT FRI JUL 1 2011

THE NATIONAL WEATHER SERVICE IN SIOUX FALLS HAS ISSUED A

* FLASH FLOOD WARNING FOR…

LYON COUNTY IN SOUTHWEST MINNESOTA

NORTHWESTERN MURRAY COUNTY IN SOUTHWEST MINNESOTA

* UNTIL 700 PM CDT

* AT 401 PM CDT…NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED

THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS WILL MOVE INTO THE

WARNED AREA. RAINFALL AMOUNTS OF 2 TO 3 INCHES OF RAINFALL WILL BE

POSSIBLE IN ONE HOUR AS THE STORMS PASS.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO

OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE…

MARSHALL…BALATON…CAMDEN STATE PARK…COTTONWOOD…FLORENCE…

GHENT…MINNEOTA…RUSSELL AND TRACY.

Update 3:45pm:

Sioux Falls (FSD) radar showing strong and possibly tornadic supercell now moving into SW MN. Tornado Vortex Signature (TVS) evident on radar and tornado warnings now include Pipestone and Lincoln Counties.

FSD issues Tornado Warning for Lincoln, Pipestone [MN] and Moody [SD] till 4:00 PM CDT …* AT 331 PM CDT…NATIONAL WEATHER SERVICE METEOROLOGISTS WERE TRACKING A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS STORM WAS LOCATED NEAR FLANDREAU…OR 16 MILES WEST OF PIPESTONE…AND MOVING EAST AT 45 MPH.

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Severe T-Storms Watch until 10pm includes metro.

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URGENT – IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 581

NWS STORM PREDICTION CENTER NORMAN OK

210 PM CDT FRI JUL 1 2011

THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

EXTREME NORTHWEST IOWA

SOUTHERN AND EASTERN MINNESOTA

EASTERN SOUTH DAKOTA

NORTHWEST WISCONSIN

LAKE SUPERIOR

EFFECTIVE THIS FRIDAY AFTERNOON AND EVENING FROM 210 PM UNTIL

1000 PM CDT.

HAIL TO 3 INCHES IN DIAMETER…THUNDERSTORM WIND GUSTS TO 75

MPH…AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 90

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES WEST OF

BROOKINGS SOUTH DAKOTA TO 35 MILES EAST OF KENNEDY WISCONSIN.

FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU1).

REMEMBER…A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.

DISCUSSION…THUNDERSTORMS ARE EXPECTED TO RAPIDLY INTENSIFY THIS

AFTERNOON OVER EASTERN SD AND SOUTHERN MN AHEAD OF AN UPPER

TROUGH…AND ALONG A COLD FRONT OVER NORTHERN MN. ALL OF THESE

STORMS WILL SPREAD ACROSS THE WATCH AREA THROUGH THE EVENING HOURS.

BOW ECHOES CAPABLE OF DAMAGING WINDS…ALONG WITH INTENSE CELLS

CAPABLE OF SUPERCELLS ARE POSSIBLE.

AVIATION…A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 65

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 25030.

…HART

Hazard Tornadoes EF2+ Tornadoes

Likelihood Low Very Low

Severe Wind 65 kt+ Wind

High Moderate

Severe Hail 2″+ Hail

  • Jean

    Will this affect the twins game tonight?

  • TM

    Not even a comment of storms and damage in NE MN and NW WI.

    MPR – Minneapolis Public Radio