Alert archive / Minnesota / Severe Thunderstorm Warnings in 2010

Severe Thunderstorm Warning 233, NWS Twin Cities, MN

August 13, 20104 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at Aug 13, 2010, 2:53 PM CDT for 4 counties in Minnesota. It was in force for 52 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, 2:53 PM CDT (19:53 UTC)
Expired
Aug 13, 2010, 3:45 PM CDT
In force
52 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Carver County, MN, McLeod County, MN, Sibley County, MN, Wright County, MN

The radar

The Minneapolis radar (KMPX), 39 km from the middle of the area, began a volume at 19:55 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Aug 13, 2:39 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 7.9 hours before the alert went out and 36 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-pSkew-T log-p diagram, Minneapolis, MN at 12:00Z on 2010-08-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 112 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2010-08-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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.

782 
WUUS53 KMPX 131953
SVRMPX
MNC019-085-143-171-132045-
/O.NEW.KMPX.SV.W.0233.100813T1953Z-100813T2045Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
253 PM CDT FRI AUG 13 2010

THE NATIONAL WEATHER SERVICE IN THE TWIN CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN WRIGHT COUNTY IN CENTRAL MINNESOTA...
  EASTERN MCLEOD COUNTY IN CENTRAL MINNESOTA...
  CARVER COUNTY IN EAST CENTRAL MINNESOTA...
  EASTERN SIBLEY COUNTY IN CENTRAL MINNESOTA...

* UNTIL 345 PM CDT

* AT 251 PM CDT...RADAR INDICATED A LINE OF SEVERE THUNDERSTORMS...
  CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 60 MPH. THESE
  STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 3 MILES SOUTHWEST
  OF STOCKHOLM TO GLENCOE TO 4 MILES SOUTH OF NEW SWEDEN...AND MOVING
  NORTHEAST AT 45 MPH.  PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE
  DAMAGING WINDS.

LOCATIONS IN THE WARNING INCLUDE...
  COKATO...
  ARLINGTON...
  PLATO...
  LESTER PRAIRIE...
  GREEN ISLE...
  WINSTED...
  HOWARD LAKE...
  NEW GERMANY...
  HAMBURG...
  NORWOOD/YOUNG AMERICA...
  MAYER...
  WAVERLY...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

IF YOU ARE IN THE PATH OF THIS STORM...PREPARE IMMEDIATELY FOR
DAMAGING WINDS IN EXCESS OF 60 MPH AND HAIL. SEEK SHELTER NOW INSIDE
A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.

THOSE ATTENDING THE CARVER COUNTY FAIR SHOULD PREPARE FOR DANGEROUS 
WEATHER CONDITIONS...AND TAKE SHELTER IN A STURDY PERMAMENT BUILDING 
IMMEDIATELY.

&&

LAT...LON 4473 9427 4498 9436 4498 9426 4514 9425
      4521 9378 4490 9377 4489 9374 4465 9374
      4461 9388 4455 9392 4452 9390 4448 9400
      4446 9406 4446 9433
TIME...MOT...LOC 1953Z 246DEG 39KT 4503 9425 4478 9413
          4443 9419
WIND...HAIL 60MPH 0.75IN

$$

JLT
3 follow-up statements
416 
WWUS53 KMPX 132003
SVSMPX

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

MNC019-085-143-171-132045-
/O.CON.KMPX.SV.W.0233.000000T0000Z-100813T2045Z/
WRIGHT MN-MCLEOD MN-CARVER MN-SIBLEY MN-
303 PM CDT FRI AUG 13 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR EASTERN
SIBLEY...CARVER...EASTERN MCLEOD AND SOUTHERN WRIGHT COUNTIES UNTIL
345 PM CDT...

AT 300 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM 6
MILES NORTH OF SILVER LAKE TO PLATO TO NORSELAND...MOVING NORTHEAST
AT 45 MPH. PENNY SIZE HAIL MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  WINSTED...GREEN ISLE...NEW GERMANY...HAMBURG...HOWARD LAKE...
  NORWOOD/YOUNG AMERICA...MAYER...WAVERLY...HENDERSON...MONTROSE...
  WATERTOWN...WACONIA...COLOGNE...DELANO...BUFFALO...RUSH RIVER...
  SMITH LAKE AND RASSAT.

THOSE ATTENDING THE CARVER COUNTY FAIR ARE IN THE PATH OF THESE 
STORMS AND SHOULD PREPARE FOR DANGEROUS WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4473 9427 4498 9436 4498 9426 4514 9425
      4521 9378 4490 9377 4489 9374 4465 9374
      4461 9388 4455 9392 4452 9390 4448 9400
      4446 9406 4446 9433
TIME...MOT...LOC 2003Z 246DEG 39KT 4500 9413 4482 9403
          4448 9409
WIND...HAIL 60MPH 0.75IN

$$

JLT
285 
WWUS53 KMPX 132017
SVSMPX

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

MNC019-085-143-171-132045-
/O.CON.KMPX.SV.W.0233.000000T0000Z-100813T2045Z/
WRIGHT MN-MCLEOD MN-CARVER MN-SIBLEY MN-
317 PM CDT FRI AUG 13 2010

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR NORTHEASTERN
SIBLEY...WESTERN CARVER...EASTERN MCLEOD AND SOUTHERN WRIGHT COUNTIES
UNTIL 345 PM CDT...

AT 314 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF
60 MPH.  THESE STORMS WERE LOCATED ALONG A LINE EXTENDING FROM
WAVERLY TO GREEN ISLE...MOVING NORTHEAST AT 45 MPH. PENNY SIZE HAIL
MAY ALSO ACCOMPANY THESE DAMAGING WINDS.

LOCATIONS IMPACTED INCLUDE...
  MONTROSE...MAYER...WATERTOWN...WACONIA...COLOGNE...BUFFALO...DELANO
  AND RASSAT.

THOSE ATTENDING THE CARVER COUNTY FAIR ARE IN THE PATH OF THESE 
STORMS AND SHOULD PREPARE FOR DANGEROUS WEATHER CONDITIONS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...HAIL...AND DEADLY LIGHTNING. FOR YOUR PROTECTION MOVE TO AN
INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS.

&&

LAT...LON 4454 9409 4476 9417 4488 9418 4512 9424
      4521 9378 4492 9378 4490 9377 4488 9374
      4465 9374 4461 9388 4455 9392
TIME...MOT...LOC 2016Z 246DEG 39KT 4506 9395 4463 9391
WIND...HAIL 60MPH 0.75IN

$$
517 
WWUS53 KMPX 132039
SVSMPX

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

MNC019-085-143-171-132050-
/O.EXP.KMPX.SV.W.0233.000000T0000Z-100813T2045Z/
WRIGHT MN-MCLEOD MN-CARVER MN-SIBLEY MN-
339 PM CDT FRI AUG 13 2010

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN SIBLEY...
CARVER...EASTERN MCLEOD AND SOUTHERN WRIGHT COUNTIES WILL EXPIRE AT
345 PM CDT...

THE LINE OF STORMS WHICH PROMPTED THE WARNING HAVE 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 4454 9409 4476 9417 4488 9418 4512 9424
      4521 9378 4492 9378 4490 9377 4488 9374
      4465 9374 4461 9388 4455 9392
TIME...MOT...LOC 2040Z 246DEG 39KT 4517 9361 4474 9357

$$

JLT

What forecasters said that day

The local office's own words before this severe thunderstorm warning 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 severe thunderstorm warning went out at Aug 13, 1:33 PM CDT, 1 hour 20 minutes earlier.

Area forecast discussion, Aug 13, 1:33 PM CDT, 1 hour 20 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
133 PM CDT FRI AUG 13 2010

.DISCUSSION...
ANOTHER BUSY DAY ACROSS THE FORECAST AREA... TRYING TO TIDY UP
FROM THE ACTIVE WEATHER OVER THE PAST 24 HOURS WHILE PREPARING
SOME MORE POTENTIAL ACTIVITY OVER THE UPCOMING 12 HOURS. LATEST
WATER VAPOR IMAGERY AND RUC UPPER AIR ANALYSIS SHOWING THE MAIN
UPPER TROUGH AND ASSOCIATED PV ANOMALY MOVING THROUGH THE EASTERN
DAKOTAS AT THE CURRENT TIME... WITH A LEADING PV FILAMENT
CURRENTLY EXTENDING NORTHEAST FROM SOUTHEAST SOUTH DAKOTA TOWARD
THE MINNESOTA ARROWHEAD. THE MAIN PV FEATURE/SHORTWAVE APPROACHING
THE WESTERN MINNESOTA BORDER LOOKS TO BE THE IMPETUS TO PUSH THE
SURFACE TROUGH/COOL FRONT THROUGH THE AREA THIS AFTERNOON AND
EVENING... AND IT SHOULD HELP GET MORE WIDESPREAD AND ORGANIZED
CONVECTION GOING AS IT MOVES INTO THE AREA OVER THE NEXT FEW
HOURS. UNTIL THEN... SCATTERED MAINLY ELEVATED CONVECTION LOOKS TO
PERSIST OVER THE AREA AS WEAK WARM ADVECTION HELPS TO SPARK A FEW
STORMS. EXPECT CONVECTION TO DEVELOP/ORGANIZE ALONG A NORTH-SOUTH
ORIENTATION OVER CENTRAL INTO SOUTH CENTRAL MINNESOTA BY MID
AFTERNOON... THEN TRANSITION EAST NORTHEASTWARD THROUGH THE
EVENING HOURS. HEAVY RAIN AND STRONG WINDS LOOK TO BE THE PRIMARY
THREATS... ALTHOUGH AN ISOLATED TORNADO IS STILL A POSSIBILITY...
MAINLY OVER SOUTH CENTRAL INTO PART OF EAST CENTRAL MINNESOTA
WHERE SURFACE BASED CIN MAY BE MINIMIZED. AT THE CURRENT TIME...
0-1KM SHEAR IS MINIMAL OVER MOST OF THE AREA... BUT IT MAY BECOME
ENHANCED A BIT AS THE UPPER WAVE APPROACHES. WITH FREEZING LEVELS
REMAINING HIGH... VERY LARGE HAIL DOES NOT APPEAR TO BE A
SIGNIFICANT THREAT... EXCEPT PERHAPS WITH ANY ROTATING STORMS
WHICH MANAGE TO FORM. HEAVY RAIN WILL CERTAINLY BE A POTENTIAL
ISSUE... SINCE MANY AREAS OF EAST CENTRAL AND SOUTH CENTRAL
MINNESOTA AS WELL AS WEST CENTRAL WISCONSIN HAVE SEEN 2 TO 5
INCHES OF RAIN OVER THE PAST TWO DAYS. ANY ADDITIONAL RAINFALL
OVER PREVIOUSLY HARD HIT AREAS WILL EXACERBATE ANY LINGERING
FLOODING AND/OR QUICKLY LEAD TO NEW FLOODING.

FOR THE SHORT TERM THROUGH TONIGHT... FORECAST IS PRIMARILY BASED
ON A BLEND OF EXTRAPOLATION... THE HRRR... AND SREF GUIDANCE.
BEYOND TONIGHT THROUGH THE BALANCE OF THE SHORT TERM... WHEN THINGS
GENERALLY QUIET DOWN... USED A BLEND OF PERSISTENCE FROM THE
PREVIOUS FORECAST TOGETHER WITH THE GFS AND SREF. FOR THE EXTENDED
PERIOD... STUCK CLOSE TO HPC GUIDANCE... WHILE TRYING TO MINIMIZE
POPS AND NOT BLANKET TOO MANY PERIODS.

FRONTAL BOUNDARY AND UPPER TROUGH MOVE EAST THROUGH THE AREA
TONIGHT... TRANSITIONING THE HIGHER POPS FROM WEST TO EAST AS IT
DOES SO. ALTHOUGH THE INITIAL TROUGH/FRONT PASSES THROUGH
TONIGHT... WE DON/T GET A SECONDARY TROUGH PASSAGE UNTIL LATER ON
SATURDAY... WHICH LOOKS TO USHER IN THE DRIER BOUNDARY LAYER AIR
WE NEED TO FINALLY SCOUR OUT THE CHANCE OF PCPN. SO... WILL
INITIALLY LOWER POPS BEHIND TONIGHT/S FEATURE WHILE LINGERING SOME
OVER THE NORTH WHERE BETTER MID LEVEL LAPSE RATES REMAIN... THEN
WILL BRING SOME CHANCE POPS BACK ACROSS THE AREA SATURDAY
AFTERNOON AND EVENING WHILE THE SECONDARY FEATURE DRIVES THROUGH
THE STATE AND BRINGS MORE LEGITIMATELY COOL AND DRY AIR TO THE
AREA.

SURFACE RIDGING AND PREDOMINANTLY NORTHWEST UPPER FLOW LOOK TO BE
ANCHORED IN PLACE FROM SUNDAY INTO THE MIDDLE OF THE WEEK... WITH
MINIMAL RETURN FLOW ANTICIPATED. WILL GO WITH A DRY FORECAST FOR
THE ENTIRE AREA FROM SUNDAY THROUGH TUESDAY WITH THE EXPECTATION
THAT THE AIRMASS WILL BE SUFFICIENTLY DRY TO PRECLUDE THE
DEVELOPMENT OF ANY SHRA/TSRA DURING THE PASSAGE OF A FEW WEAK
SHORTWAVES THAT ARE PROGGED TO SWING THROUGH ON THE NORTHWEST
UPPER FLOW. BY TUESDAY NIGHT WE LOOK TO GET ON THE BACKSIDE OF THE
SURFACE RIDGE AND PERHAPS SEE ENOUGH MOISTURE RETURN FOR THE
DEVELOPMENT OF SOME PCPN. THIS INITIAL SURGE OF MOISTURE RETURN
LOOKS TO ABATE ON WEDNESDAY... BUT A MORE PERSISTENT PERIOD OF
MOISTURE RETURN ALONG WITH ZONAL UPPER FLOW IS PROGGED TO ARRIVE
LATE THURSDAY INTO FRIDAY... SO WILL BRING A CHANCE BACK ACROSS
THE ENTIRE AREA BY THAT TIME.

WITH NORTHWEST UPPER FLOW AND SURFACE RIDGING FOR MUCH OF THE
FORECAST BEYOND SATURDAY THE MAIN STORY WILL BE THE COOLER
TEMPERATURES... BOTH DAYTIME HIGHS AND OVERNIGHT LOWS... WITH
VALUES RUNNING NEAR OR A BIT BELOW NORMAL MOST OF THE WEEK.

&&

.AVIATION.../18Z TAF ISSUANCE/

SAME SCENARIO AS PER PREVIOUS AVIATION DISCUSSION WITH CONVECTION
DEVELOPING ALONG THE LEADING EDGE OF A POTENT SHORT WAVE MOVING
INTO FAR SW MN AS OF 12 PM. SHRA/TSRA AHEAD OF THIS FEATURE WILL
ALLOW FOR EMBEDDED LOWER CEILINGS AND POSSIBLY MVFR CEILINGS...BUT
THE MAIN ACTION SHOULD BE ASSOCIATED WITH THE MAIN WAVE EXPECTED
TO IMPACT RWF/AXN BETWEEN 18-20Z...AND AT STC ARND 19-21Z...AND AT
RNH/MSP BETWEEN 20-22Z. CEILINGS SHOULD BE PREDOMINATELY
VFR...WITH ONLY A SHORT PERIOD OF IFR/MVFR IN TSRA. ALTHOUGH IF
THE CONVECTION BECOMES MORE WIDESPREAD...MVFR/IFR CEILINGS MAY
DEVELOP...ESPECIALLY DURING THE EARLY EVENING HRS IN WEST CENTRAL
WISCONSIN...AFFECTING MAINLY EAU/RNH.

BETWEEN 00-06Z...COLD FRONT SHOULD HAVE MOVED THROUGH MOST OF THE
TAF AREAS OF MSP. WITH ONLY CBS OR VCTS FOR EAU BETWEEN 02-04Z/14.
AFT 06Z...EXPECT SOME IFR/LIFR CEILINGS/VSBYS AS WNDS DECOUPLE AND
AMPLE LOW LEVEL MOISTURE REMAINS. LATER SHIFTS WILL NEED TO UPDATE
FOR THE POSSIBILITY OF VV001 AND 1/4SM IN FG FOR STC/MSP/RNH/EAU.
RWF/AXN...SHOULD NOT BE AS BAD IN TERMS OF CEILINGS/VSBYS.
HOWEVER...THIS IS BASED ONLY ON THE LATEST SHORT TERM MODELS.

MSP...SHRA/TSRA AND LOWER CEILINGS WILL LIKELY DEVELOP BETWEEN
20-21Z...AND LAST FOR AN HR TO TWO. IFR/MVFR CEILINGS WILL BE
POSSIBLE...BUT SHOULD ONLY LAST FOR A SHORT PERIOD OR UNDER A HALF
HOUR. MOST OF THE CONVECTION SHOULD BE DONE BY 01-02Z...OR AT
LEAST THE HEAVIEST ACTIVITY WITH ONLY FG/BR AND LOWER CEILINGS
POSSIBLE DURING THE OVERNIGHT PERIOD. WNDS WILL BE FROM THE S/SE
THIS AFTN...BECOMING W/NW THIS EVENING...THEN SHIFTING TO THE S ON
SATURDAY. THERE MAY BE A TEMPORARY PERIOD OF MVFR CEILINGS THRU
19Z AS LOW LEVEL MOISTURE FROM SHRA/TSRA TO THE SE OF MSP...MOVE
OVER THE MSP TAF AREA.

&&

.MPX WATCHES/WARNINGS/ADVISORIES...
MN...FLASH FLOOD WATCH THROUGH LATE TONIGHT FOR FREEBORN-GOODHUE-
     STEELE.

WI...FLASH FLOOD WATCH THROUGH LATE TONIGHT FOR BARRON-CHIPPEWA-DUNN-
     EAU CLAIRE-PEPIN-PIERCE-RUSK-ST. CROIX.

&&
Hazardous weather outlook, Aug 13, 11:58 AM CDT, 2 hours 55 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
1158 AM CDT FRI AUG 13 2010

MNZ041>045-047>070-073>078-082>085-091>093-WIZ014>016-023>028-
141700-
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-
1158 AM CDT FRI AUG 13 2010

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

.DAY ONE...THIS AFTERNOON AND TONIGHT

A LOW PRESSURE TROUGH WILL BE MOVING INTO MINNESOTA TODAY WITH
MORE SEVERE THUNDERSTORMS POSSIBLE. THE MAIN RISK OF SEVERE
THUNDERSTORMS WILL BE THIS AFTERNOON AND EARLY TONIGHT...
MAINLY BETWEEN 3 PM AND 10 PM. AREAS WHICH HAVE A POTENTIAL TO
SEE SEVERE WEATHER WILL BE PRIMARILY SOUTH AND EAST OF A LINE FROM
FAIRMONT THROUGH THE SOUTHERN TWIN CITIES METRO AREA TO
LADYSMITH... WITH THE GREATEST RISK SOUTH OF A LINE FROM MANKATO
THROUGH RED WING TO EAU CLAIRE. AN ISOLATED TORNADO IS POSSIBLE...
MAINLY SOUTH OF A LINE FROM FAIRMONT TO FARIBAULT... BUT THE
PRIMARY THREATS FROM STORMS WILL BE DAMAGING WINDS AND HEAVY RAIN.
THE HEAVY RAIN COULD EXACERBATE CURRENT HIGH WATER CONDITIONS AND
LEAD TO ADDITIONAL FLOODING... PARTICULARLY ALONG AND SOUTH OF A
LINE FROM NEW ULM THROUGH THE TWIN CITIES METRO AREA TO CHIPPEWA
FALLS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

ISOLATED THUNDERSTORMS ARE POSSIBLE ON SATURDAY AFTERNOON... BUT
SEVERE WEATHER IS NOT EXPECTED. THUNDERSTORMS ARE POSSIBLE AGAIN
ON TUESDAY NIGHT... AND FROM THURSDAY INTO FRIDAY... ALTHOUGH NO
ORGANIZED SEVERE WEATHER EVENTS APPEAR LIKELY AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SKYWARN SPOTTER ACTIVATION IS LIKELY THIS AFTERNOON AND EVENING
OVER PARTS OF SOUTH CENTRAL AND SOUTHEAST MINNESOTA INTO WEST
CENTRAL WISCONSIN.

In the hours before

Local storm report, Aug 13, 1:58 PM CDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
158 PM CDT FRI AUG 13 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0153 PM     FUNNEL CLOUD     30 NW CAMBRIDGE         45.87N 93.67W
08/13/2010                   MILLE LACS         MN   LAW ENFORCEMENT

            OBSERVER IN CITY OF CAMBRIDGE REPORTS 2 FUNNELS WITH
            ROTATION

&&

LRS
Local storm report, Aug 13, 2:19 PM CDT, 34 minutes before
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
219 PM CDT FRI AUG 13 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0551 PM     FUNNEL CLOUD     4 N MADISON             45.07N 96.19W
08/12/2010                   LAC QUI PARLE      MN   LAW ENFORCEMENT

0552 PM     TORNADO          1 SSW LOUISBURG         45.15N 96.18W
08/12/2010                   LAC QUI PARLE      MN   LAW ENFORCEMENT

            BRIEF TOUCHDOWN. GRAIN BIN PICKED UP AND THROWN 100
            YARDS. GRAIN BINS A FEW FEET AWAY ON EITHER SIDE OF
            DAMAGED GRAIN BIN LEFT UNTOUCHED.

0555 PM     TSTM WND DMG     1 W MADISON             45.01N 96.21W
08/12/2010                   LAC QUI PARLE      MN   LAW ENFORCEMENT

            PORTION OF CORNFIELD FLATTENED JUST OFF HWY 40. TIME
            ESTIMATED.

0600 PM     FUNNEL CLOUD     WALNUT GROVE            44.23N 95.47W
08/12/2010                   REDWOOD            MN   TRAINED SPOTTER

0605 PM     TORNADO          BELLINGHAM              45.14N 96.28W
08/12/2010                   LAC QUI PARLE      MN   LAW ENFORCEMENT

            PORCH RIPPED OFF BUILDING.

0622 PM     TORNADO          1 N LOUISBURG           45.18N 96.17W
08/12/2010                   LAC QUI PARLE      MN   LAW ENFORCEMENT

            DEBRIS IN THE AIR.

0624 PM     TORNADO          3 W DAWSON              44.93N 96.11W
08/12/2010                   LAC QUI PARLE      MN   LAW ENFORCEMENT

0630 PM     TSTM WND DMG     DELHI                   44.60N 95.21W
08/12/2010                   REDWOOD            MN   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN IN TOWN.

0630 PM     TSTM WND DMG     1 SW OLIVIA             44.77N 95.01W
08/12/2010                   RENVILLE           MN   TRAINED SPOTTER

            POWER LINE POLE DOWN.

0633 PM     TSTM WND DMG     1 WNW OLIVIA            44.78N 95.01W
08/12/2010                   RENVILLE           MN   TRAINED SPOTTER

            TOPS BLOWN OFF TREES WITH BASE GREATER THEN 20 INCHES IN
            DIAMETER AND NUMEROUS LIMBS DOWN GREATER THEN 6 INCHES.

0647 PM     TSTM WND DMG     MORRIS                  45.59N 95.91W
08/12/2010                   STEVENS            MN   LAW ENFORCEMENT

            LARGE LIMBS DOWN UP TO 6 INCHES AND TREES DOWN GREATER
            THEN 8 INCHES.

0648 PM     TSTM WND GST     MORRIS                  45.59N 95.91W
08/12/2010  M60.00 MPH       STEVENS            MN   AWOS

0715 PM     TSTM WND DMG     HUTCHINSON              44.89N 94.37W
08/12/2010                   MCLEOD             MN   TRAINED SPOTTER

            30 AND 6 IN BRANCHES DOWN AT 3RD AVE NW AND WATER ST NW

0730 PM     HAIL             2 SE ALEXANDRIA         45.85N 95.35W
08/12/2010  M1.00 INCH       DOUGLAS            MN   TRAINED SPOTTER

0735 PM     TSTM WND DMG     5 NNE BELGRADE          45.52N 94.96W
08/12/2010                   STEARNS            MN   EMERGENCY MNGR

            FIVE FARMSTEADS DAMAGED. TIME ESTIMATED.

0735 PM     TSTM WND DMG     HOWARD LAKE             45.06N 94.07W
08/12/2010                   WRIGHT             MN   EMERGENCY MNGR

            TREE BRANCHES UP TO 8 INCHES IN DIAMETER DOWN.

0739 PM     FUNNEL CLOUD     6 N BECKER              45.46N 93.87W
08/12/2010                   SHERBURNE          MN   TRAINED SPOTTER

0739 PM     FUNNEL CLOUD     3 S PAYNESVILLE         45.34N 94.72W
08/12/2010                   STEARNS            MN   TRAINED SPOTTER

0745 PM     TSTM WND DMG     BUFFALO                 45.18N 93.87W
08/12/2010                   WRIGHT             MN   TRAINED SPOTTER

            4 INCH DIAMETER BRANCHES DOWN.

0745 PM     TSTM WND DMG     4 NNE BROOTEN           45.55N 95.09W
08/12/2010                   STEARNS            MN   LAW ENFORCEMENT

            TOP OF SILO MISSING. ROOFS OF BARNS RIPPED OFF. GARAGE
            PUSHED OFF ITS FOUNDATION.

0748 PM     LIGHTNING        NNW EAGLE BEND          46.17N 95.03W
08/12/2010                   TODD               MN   LAW ENFORCEMENT

            TREE DOWN DUE TO LIGHTNING STRIKE

0752 PM     TSTM WND DMG     MONTICELLO              45.30N 93.80W
08/12/2010                   WRIGHT             MN   TRAINED SPOTTER

            14 INCH DIAMETER TREE DOWN.

0752 PM     TSTM WND DMG     N FORADA                45.79N 95.36W
08/12/2010                   DOUGLAS            MN   LAW ENFORCEMENT

            TREES AND POWER LINES DOWN.

0755 PM     TSTM WND DMG     ROCKVILLE               45.47N 94.34W
08/12/2010                   STEARNS            MN   EMERGENCY MNGR

            HOME DAMAGED. TIME ESTIMATED.

0759 PM     HAIL             2 N HOLDINGFORD         45.76N 94.47W
08/12/2010  M0.75 INCH       STEARNS            MN   TRAINED SPOTTER

0800 PM     TSTM WND DMG     WAITE PARK              45.55N 94.22W
08/12/2010                   STEARNS            MN   EMERGENCY MNGR

            TREES DOWN. TIME ESTIMATED.

0800 PM     TSTM WND DMG     ST CLOUD                45.55N 94.17W
08/12/2010                   STEARNS            MN   EMERGENCY MNGR

            TREES DOWN. TIME ESTIMATED.

0800 PM     TSTM WND DMG     ST AUGUSTA              45.44N 94.19W
08/12/2010                   STEARNS            MN   EMERGENCY MNGR

            FARMSTEAD DAMAGED. TIME ESTIMATED.

0811 PM     FUNNEL CLOUD     SARTELL                 45.62N 94.21W
08/12/2010                   STEARNS            MN   TRAINED SPOTTER

0815 PM     TSTM WND GST     SARTELL                 45.62N 94.21W
08/12/2010  M61.00 MPH       STEARNS            MN   PUBLIC

0816 PM     FUNNEL CLOUD     FOLEY                   45.66N 93.91W
08/12/2010                   BENTON             MN   TRAINED SPOTTER

0818 PM     FUNNEL CLOUD     2 N MEIRE GROVE         45.66N 94.87W
08/12/2010                   STEARNS            MN   AMATEUR RADIO

0825 PM     TSTM WND GST     4 SE EDEN PRAIRIE       44.81N 93.40W
08/12/2010  E50.00 MPH       SCOTT              MN   TRAINED SPOTTER

0830 PM     TSTM WND DMG     6 WNW CAMBRIDGE         45.60N 93.34W
08/12/2010                   ISANTI             MN   TRAINED SPOTTER

            SEVERAL TREES WITH 8 TO 10 INCH DIAMETER LIMBS DOWN.

0832 PM     TSTM WND DMG     MILACA                  45.76N 93.65W
08/12/2010                   MILLE LACS         MN   TRAINED SPOTTER

            18 INCH DIAMETER TREE DOWN.

0845 PM     TSTM WND DMG     5 E STANCHFIELD         45.66N 93.09W
08/12/2010                   CHISAGO            MN   TRAINED SPOTTER

            SPOTTER SAW MANY TREES...SOME UP TO 7 FEET IN DIAMETER
            DOWN WHILE DRIVING FROM THIS LOCATION SOUTHWEST TO
            CAMBRIDGE ALONG CO RD 4 AND 7 IN CHISAGO COUNTY TO COUNTY
            RD 2 AND HWY 95 JUST EAST OF CAMBRIDGE IN ISANTI COUNTY.
            TIME WAS ESTIMATED.

1118 PM     FLASH FLOOD      GRANITE FALLS           44.81N 95.54W
08/12/2010                   CHIPPEWA           MN   LAW ENFORCEMENT

            ROAD CLOSED...KNEE DEEP WATER ON U.S. HWY 212 WESTERN
            RENVILLE COUNTY.

1130 PM     FLASH FLOOD      SACRED HEART            44.78N 95.35W
08/12/2010                   RENVILLE           MN   TRAINED SPOTTER

            STREET FLOODING.

1130 PM     HAIL             SACRED HEART            44.78N 95.35W
08/12/2010  E0.75 INCH       RENVILLE           MN   TRAINED SPOTTER

1143 PM     HAIL             SACRED HEART            44.78N 95.35W
08/12/2010  E0.75 INCH       RENVILLE           MN   TRAINED SPOTTER

1157 PM     HAIL             BUTTERFIELD             43.96N 94.79W
08/12/2010  E1.00 INCH       WATONWAN           MN   BROADCAST MEDIA

1208 AM     HAIL             BUTTERFIELD             43.96N 94.79W
08/13/2010  E1.00 INCH       WATONWAN           MN   BROADCAST MEDIA

1221 AM     FLASH FLOOD      OLIVIA                  44.78N 95.00W
08/13/2010                   RENVILLE           MN   LAW ENFORCEMENT

            10 TO 12 INCHES WATER ON ROADS AROUND TOWN AND ALSO
            WESTERN RENVILLE COUNTY.

1221 AM     FLASH FLOOD      RENVILLE                44.79N 95.21W
08/13/2010                   RENVILLE           MN   LAW ENFORCEMENT

            UP TO 10 INCHES OF WATER ON U.S. HIGHWAY 212 WESTERN
            RENVILLE COUNTY...WATER COVERED ROADS CLOSED OR
            CLOSING...MNDOT NOTIFIED.

1230 AM     TSTM WND DMG     FAIRMONT                43.64N 94.46W
08/13/2010                   MARTIN             MN   LAW ENFORCEMENT

            LOTS OF TREES AND POWER LINES DOWN...ESPECIALLY IN WEST
            PART OF TOWN. 5 POWER POLES SUPPORTING HIGH VOLTAGE LINES
            DOWNED. ROOF OF WAREHOUSE AND LARGE GARAGE DOOR DAMAGED
            AT INDUSTRIAL PARK. DAMAGE REPORTED AT MARTIN COUNTY
            FAIRGROUNDS INCLUDING BLEACHERS BLOWN OVER...TREES
            DOWN...AND SMALL TIN BUILDING DESTROYED. TREE DOWNED ON
            MOBILE HOME. SMALL CAMPER ROLLED OVER AND DESTROYED.
            NEARBY CAR PARKED ON GRASS HAD BACK END PUSHED 8 FT. TIME
            ESTIMATED BY RADAR.

1256 AM     FLASH FLOOD      BROWNTON                44.73N 94.35W
08/13/2010                   MCLEOD             MN   TRAINED SPOTTER

            STREET FLOODING.

1257 AM     TSTM WND GST     3 NE MADELIA            44.08N 94.37W
08/13/2010  M49.00 MPH       WATONWAN           MN   MESONET

            WIND GUST MEASURED AT MNDOT ROAD WEATHER SITE ON HWY 60
            AT MILE POST 86.

0125 AM     HAIL             5 ENE LAKE CRYSTAL      44.12N 94.13W
08/13/2010  M0.75 INCH       BLUE EARTH         MN   LAW ENFORCEMENT

0143 AM     FLASH FLOOD      NORWOOD/YOUNG AMERICA   44.78N 93.92W
08/13/2010                   CARVER             MN   FIRE DEPT/RESCUE

            12 TO 18 INCHES OF WATER FLOODING STREETS.

0146 AM     FLASH FLOOD      COLOGNE                 44.77N 93.79W
08/13/2010                   CARVER             MN   TRAINED SPOTTER

            WATER FLOODING STREETS TO CURB HEIGHT.

0200 AM     TSTM WND DMG     NORWOOD/YOUNG AMERICA   44.78N 93.92W
08/13/2010                   CARVER             MN   TRAINED SPOTTER

            3 TO 4 INCH BRANCHES DOWN.

0215 AM     FLASH FLOOD      CHASKA                  44.82N 93.61W
08/13/2010                   CARVER             MN   LAW ENFORCEMENT

            4 FEET OF WATER FLOWING OVER INTERSECTION.

0220 AM     TSTM WND DMG     CARVER                  44.76N 93.63W
08/13/2010                   CARVER             MN   FIRE DEPT/RESCUE

            12 TO 18 INCH DIAMETER TREE DOWN.

0227 AM     FLASH FLOOD      CARVER                  44.76N 93.63W
08/13/2010                   CARVER             MN   LAW ENFORCEMENT

            MOST OF THE CITY STREETS HAVE 8 INCHES OF WATER COVERING.

0230 AM     TSTM WND DMG     3 W ELLENDALE           43.87N 93.36W
08/13/2010                   STEELE             MN   TRAINED SPOTTER

            ROOF OFF A GRAINERY...LARGE TREE DOWN.

0244 AM     FLASH FLOOD      MINNETONKA              44.91N 93.50W
08/13/2010                   HENNEPIN           MN   LAW ENFORCEMENT

            12 INCHES WATER COVERING HIGHWAY 7.

0244 AM     HAIL             MORRISTOWN              44.22N 93.44W
08/13/2010  E0.50 INCH       RICE               MN   TRAINED SPOTTER

0245 AM     TSTM WND GST     LAKEVILLE               44.68N 93.24W
08/13/2010  E60.00 MPH       DAKOTA             MN   TRAINED SPOTTER

0255 AM     FLASH FLOOD      BELLE PLAINE            44.62N 93.76W
08/13/2010                   SCOTT              MN   EMERGENCY MNGR

            STREET FLOODING.

0257 AM     TSTM WND DMG     9 WNW FARIBAULT         44.34N 93.44W
08/13/2010                   RICE               MN   TRAINED SPOTTER

            12 TO 15 INCH BRANCHES DOWN...TIME ESTIMATED WITH RADAR.

0257 AM     TSTM WND GST     9 WNW FARIBAULT         44.34N 93.44W
08/13/2010  M73.00 MPH       RICE               MN   TRAINED SPOTTER

            TIME ESTIMATED WITH RADAR.

0322 AM     FLASH FLOOD      FARIBAULT               44.30N 93.27W
08/13/2010                   RICE               MN   TRAINED SPOTTER

            STREET FLOODING...CAR STALLED IN WATER IN TOWN.

0325 AM     TSTM WND DMG     FARMINGTON              44.66N 93.18W
08/13/2010                   DAKOTA             MN   TRAINED SPOTTER

            WINDOWS BLOWN OUT.

0330 AM     FLASH FLOOD      APPLE VALLEY            44.75N 93.20W
08/13/2010                   DAKOTA             MN   TRAINED SPOTTER

            STREET FLOODING UP TO CAR DOORS.

0335 AM     FLASH FLOOD      NNE FARIBAULT           44.30N 93.27W
08/13/2010                   RICE               MN   TRAINED SPOTTER

            STREET FLOODING.

0335 AM     TSTM WND DMG     5 ESE LAKEVILLE         44.64N 93.16W
08/13/2010                   DAKOTA             MN   TRAINED SPOTTER

            RESIDENTIAL HOMES DAMAGED...ROOFS OFF...NEAR LAKEVILLE
            FARMINGTON LINE...TIME ESTIMATED.

0405 AM     TSTM WND GST     FARMINGTON              44.66N 93.18W
08/13/2010  M48.00 MPH       DAKOTA             MN   MESONET

            MEASURED AT FARMINGTON MIDDLE SCHOOL WEST

0424 AM     HAIL             LESTER PRAIRIE          44.88N 94.04W
08/13/2010  M1.50 INCH       MCLEOD             MN   TRAINED SPOTTER

0545 AM     HAIL             6 SW STARBUCK           45.56N 95.63W
08/13/2010  E0.75 INCH       POPE               MN   TRAINED SPOTTER

0620 AM     HAIL             4 WNW BROOTEN           45.51N 95.20W
08/13/2010  M0.88 INCH       POPE               MN   TRAINED SPOTTER

0625 AM     HAIL             4 NNE GILCHRIST         45.51N 95.30W
08/13/2010  M1.00 INCH       POPE               MN   TRAINED SPOTTER

0629 AM     HAIL             BROOTEN                 45.50N 95.12W
08/13/2010  E0.75 INCH       STEARNS            MN   TRAINED SPOTTER

0636 AM     TSTM WND GST     GEORGEVILLE             45.44N 94.94W
08/13/2010  M48.00 MPH       STEARNS            MN   MESONET

            MNDOT ROAD SENSOR

0800 AM     HEAVY RAIN       3 WSW MARYSTOWN         44.70N 93.59W
08/13/2010  E3.90 INCH       SCOTT              MN   TRAINED SPOTTER

0800 AM     HEAVY RAIN       11 SW LITCHFIELD        45.02N 94.71W
08/13/2010  M2.25 INCH       MEEKER             MN   TRAINED SPOTTER

0818 AM     HEAVY RAIN       FARIBAULT               44.30N 93.27W
08/13/2010  M3.00 INCH       RICE               MN   TRAINED SPOTTER

0818 AM     HEAVY RAIN       NERSTRAND               44.34N 93.06W
08/13/2010  M4.50 INCH       RICE               MN   BROADCAST MEDIA

0818 AM     HEAVY RAIN       DENNISON                44.40N 93.03W
08/13/2010  M3.50 INCH       GOODHUE            MN   TRAINED SPOTTER

0900 AM     HEAVY RAIN       BURNSVILLE              44.76N 93.28W
08/13/2010  M3.30 INCH       DAKOTA             MN   TRAINED SPOTTER

0900 AM     HEAVY RAIN       CLARA CITY              44.96N 95.37W
08/13/2010  E4.00 INCH       CHIPPEWA           MN   EMERGENCY MNGR

0900 AM     HEAVY RAIN       DANUBE                  44.79N 95.10W
08/13/2010  E5.00 INCH       RENVILLE           MN   EMERGENCY MNGR

            5 INCHES OF RAIN REPORTED IN NORTHWEST CORNER OF RENVILLE
            COUNTY DURING PAST 24 HOURS. 3 INCHES REPORTED NEAR
            DANUBE.

&&

MKM
Special weather statement, Aug 13, 2:37 PM CDT, 16 minutes before
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
237 PM CDT FRI AUG 13 2010

MNZ058>060-065>069-074>076-083-132000-
BLUE EARTH-BROWN-CARVER-HENNEPIN-LE
SUEUR-MCLEOD-MEEKER-NICOLLET-RENVILLE-SCOTT-SIBLEY-WRIGHT-
237 PM CDT FRI AUG 13 2010

...THUNDERSTORMS MOVING INTO BLUE EARTH...BROWN...CARVER...HENNEPIN
...LE SUEUR...MCLEOD...MEEKER...NICOLLET...RENVILLE...SCOTT...SIBLEY
AND WRIGHT COUNTIES THROUGH 300 PM CDT...

AT 232 PM CDT...RADAR INDICATED THAT THUNDERSTORMS WERE RAPIDLY
DEVELOPING ALONG A LINE EXTENDING FROM 3 MILES EAST OF CEDAR MILLS TO
LAFAYETTE TO 3 MILES SOUTH OF NEW ULM. THESE STORMS WERE MOVING EAST
AT 35 MPH.

ONE HALF INCH DIAMETER HAIL AND WINDS UP TO 50 MPH ARE EXPECTED WITH
THESE STORMS.

* LOCATIONS IN OR NEAR THE PATH OF THESE STORMS INCLUDE...
  WINTHROP.
  HUTCHINSON.
  SUMTER.
  NEW SWEDEN.
  STOCKHOLM.
  ARLINGTON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4517 9374 4457 9368 4432 9375 4416 9455
      4442 9448 4502 9455
TIME...MOT...LOC 1937Z 255DEG 30KT 4496 9441 4445 9434
          4428 9439

JLT
Local storm report, Aug 13, 2:39 PM CDT, 14 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
239 PM CDT FRI AUG 13 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0132 PM     NON-TSTM WND GST MELROSE                 45.68N 94.81W
08/13/2010  M54 MPH          STEARNS            MN   TRAINED SPOTTER

&&

LRS
Local storm report, Aug 13, 2:41 PM CDT, 12 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
241 PM CDT FRI AUG 13 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0132 PM     HAIL             3 W PAYNESVILLE         45.38N 94.78W
08/13/2010  M0.50 INCH       KANDIYOHI          MN   TRAINED SPOTTER

            DIME SIZE HAIL

&&

LRS
Local storm report, Aug 13, 2:52 PM CDT, 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN
252 PM CDT FRI AUG 13 2010

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0246 PM     HAIL             HUTCHINSON              44.89N 94.37W
08/13/2010  M0.25 INCH       MCLEOD             MN   TRAINED SPOTTER

&&

LRS

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 12, 7:02 PM CDTTornado WarningMPXSwift43 min
Aug 12, 7:10 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Pope, Stearns, Swift65 min
Aug 12, 7:20 PM CDTSevere Thunderstorm WarningMPXStearns, Todd40 min
Aug 12, 7:25 PM CDTSevere Thunderstorm WarningMPXCarver, Hennepin, McLeod, Meeker, Sherburne, Sibley and 1 more50 min
Aug 12, 7:36 PM CDTSevere Thunderstorm WarningMPXDouglas24 min
Aug 12, 7:43 PM CDTSpecial Weather StatementMPXLe Sueur, Rice, Scott47 min
Aug 12, 7:58 PM CDTSevere Thunderstorm WarningMPXBenton, Morrison, Sherburne, Stearns, Todd62 min
Aug 12, 8:08 PM CDTSpecial Weather StatementMPXAnoka, Isanti, Ramsey37 min
Aug 12, 8:14 PM CDTTornado WarningMPXBenton, Sherburne, Stearns25 min
Aug 12, 8:28 PM CDTSevere Thunderstorm WarningMPXBenton, Isanti, Kanabec, Mille Lacs, Morrison62 min
Aug 12, 8:44 PM CDTSevere Thunderstorm WarningMPXChisago, Isanti46 min
Aug 12, 10:15 PM CDTSevere Thunderstorm WarningMPXChippewa, Lac qui Parle, Renville, Yellow Medicine60 min
Aug 12, 10:57 PM CDTAreal Flood AdvisoryMPXBrown, Chippewa, Kandiyohi, Lac qui Parle, Meeker, Nicollet and 8 more6 hr
Aug 12, 11:03 PM CDTSevere Thunderstorm WarningMPXChippewa, Kandiyohi, Renville, Yellow Medicine57 min
Aug 12, 11:25 PM CDTFlash Flood WarningMPXChippewa, Kandiyohi, Lac qui Parle, Renville, Yellow Medicine3 hr
Aug 12, 11:28 PM CDTSevere Thunderstorm WarningMPXRedwood, Renville, Yellow Medicine47 min
Aug 13, 12:10 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Faribault, Martin, Watonwan65 min
Aug 13, 12:13 AM CDTFlash Flood WarningMPXMcLeod, Meeker, Renville, Sibley, Wright3 hr
Aug 13, 12:28 AM CDTSevere Thunderstorm WarningMPXMcLeod, Meeker, Renville62 min
Aug 13, 12:44 AM CDTAreal Flood AdvisoryMPXAnoka, Carver, Dakota, Hennepin, Ramsey, Scott and 3 more3 hr
Aug 13, 1:05 AM CDTSevere Thunderstorm WarningMPXCarver, McLeod, Scott, Sibley55 min
Aug 13, 1:12 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Nicollet, Waseca63 min
Aug 13, 1:50 AM CDTSpecial Weather StatementMPXAnoka, Dakota, Hennepin, Ramsey, Rice, Washington70 min
Aug 13, 1:56 AM CDTAreal Flood AdvisoryMPXBlue Earth, Le Sueur, Nicollet, Rice, Sibley, Steele and 1 more3 hr
Aug 13, 2:09 AM CDTFlash Flood WarningMPXCarver, Dakota, Hennepin, Ramsey, Scott, Washington3 hr
Aug 13, 2:09 AM CDTSevere Thunderstorm WarningMPXBlue Earth, Le Sueur, Rice, Steele, Waseca66 min
Aug 13, 2:52 AM CDTSevere Thunderstorm WarningMPXGoodhue53 min
Aug 13, 3:14 AM CDTSevere Thunderstorm WarningMPXDakota, Rice, Steele61 min
Aug 13, 3:30 AM CDTFlash Flood WarningMPXGoodhue3 hr
Aug 13, 3:41 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Washington64 min
Aug 13, 3:55 AM CDTTornado WarningMPXGoodhue18 min
Aug 13, 4:11 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Le Sueur, Rice, Scott, Washington64 min
Aug 13, 4:26 AM CDTSevere Thunderstorm WarningMPXAnoka, Carver, Dakota, Hennepin, McLeod, Ramsey and 4 more64 min
Aug 13, 4:38 AM CDTSevere Thunderstorm WarningMPXDakota, Goodhue, Washington67 min
Aug 13, 5:25 AM CDTSpecial Weather StatementMPXPope50 min
Aug 13, 5:38 AM CDTSevere Thunderstorm WarningMPXPope, Stevens, Swift52 min
Aug 13, 6:10 AM CDTSevere Thunderstorm WarningMPXKandiyohi, Pope, Stearns, Swift50 min
Aug 13, 6:52 AM CDTSpecial Weather StatementMPXMeeker53 min
Aug 13, 1:05 PM CDTSpecial Weather StatementMPXIsanti40 min
Aug 13, 1:46 PM CDTSpecial Weather StatementMPXStearns29 min
Aug 13, 2:13 PM CDTTornado WarningMPXChisago17 min
Aug 13, 2:25 PM CDTSevere Thunderstorm WarningMPXBenton, Meeker, Morrison, Sherburne, Stearns, Todd and 1 more65 min
Aug 13, 2:37 PM CDTSpecial Weather StatementMPXCarver, McLeod, Nicollet, Sibley23 min
Aug 13, 3:01 PM CDTSevere Thunderstorm WarningMPXBenton, Mille Lacs, Morrison, Sherburne, Stearns, Wright59 min
Aug 13, 3:19 PM CDTSevere Thunderstorm WarningMPXBenton, Chisago, Isanti, Kanabec, Mille Lacs, Morrison and 1 more56 min
Aug 13, 4:34 PM CDTSpecial Weather StatementMPXMcLeod, Sherburne, Wright41 min
Aug 13, 4:36 PM CDTSpecial Weather StatementMPXMcLeod, Sherburne, Wright39 min
Aug 13, 5:34 PM CDTTornado WarningMPXBlue Earth, Le Sueur, Waseca56 min
Aug 13, 5:36 PM CDTSevere Thunderstorm WarningMPXWashington54 min
Aug 13, 5:40 PM CDTAreal Flood WarningMPXGoodhue6 hr
Aug 13, 6:13 PM CDTFlash Flood WarningMPXDakota66 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2010Every severe thunderstorm warning 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.