Severe Thunderstorm Warning 82, NWS Green Bay, WI

000 
WWUS53 KGRB 212206
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
506 PM CDT MON JUL 21 2008

WIC073-212230-
/O.CON.KGRB.SV.W.0082.000000T0000Z-080721T2230Z/
MARATHON-
505 PM CDT MON JUL 21 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 530 PM CDT
FOR SOUTHERN MARATHON COUNTY...

AT 505 PM...DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM
CAPABLE OF PRODUCING PENNY SIZE HAIL. THIS STORM WAS LOCATED NEAR
HALDER...OR 21 MILES SOUTHWEST OF WAUSAU...AND MOVING SOUTHEAST AT 19
MPH.

THE SEVERE THUNDERSTORM WILL BE ACROSS RURAL AREAS OF SOUTHERN
MARATHON COUNTY SOUTH OF MOON THROUGH 520 PM. 

SEVERE THUNDERSTORMS PRODUCE STRONG WINDS AND HAIL. STAY AWAY FROM
WINDOWS UNTIL THE STORM PASSES. IF OUTDOORS...GO TO A STURDY SHELTER.

TORRENTIAL RAIN...WHICH MAY FLOOD LOW LYING AREAS SUCH AS DITCHES AND
UNDERPASSES...IS ALSO LIKELY. DO NOT DRIVE YOUR VEHICLE ON A FLOODED
ROADWAY.

LAT...LON 4487 8923 4469 8923 4469 9015 4490 8993
TIME...MOT...LOC 2205Z 325DEG 15KT 4471 8988

$$

ECKBERG

000 
WWUS53 KGRB 212215
SVSGRB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE GREEN BAY WI
515 PM CDT MON JUL 21 2008

WIC073-212224-
/O.CAN.KGRB.SV.W.0082.000000T0000Z-080721T2230Z/
MARATHON-
514 PM CDT MON JUL 21 2008

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN MARATHON COUNTY IS
CANCELLED...

THE SEVERE THUNDERSTORM THAT PROMPTED THE WARNING HAS WEAKENED AND
WAS NOW MOVING INTO PORTAGE COUNTY.

GUSTY WINDS AND SMALL HAIL ARE STILL POSSIBLE WITH THESE 
THUNDERSTORMS.

LAT...LON 4487 8923 4469 8923 4469 9015 4490 8993
TIME...MOT...LOC 2214Z 325DEG 15KT 4468 8985

$$

ECKBERG

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE GREEN BAY WI
145 PM CDT MON JUL 21 2008

.SHORT TERM...PIECES OF ENERGY ROTATING THROUGH THE AREA AS THE
UPPER TROF DEEPENS OVER THE GREAT LAKES REGION.  FIRST S/W MOVING
OVER THE SRN HALF OF THE WI EARLY THIS AFTERNOON WITH SCT SHRAS
NOTED AND MOVING EASTWARD SOUTH OF THE TROF AXIS OVER NRN WI. A
SECOND S/W TROF WAS DROPPING OVER MN AS PER WV LOOP...WITH EVEN
ANOTHER NORTH OF LAKE SUPERIOR. WILL MONITOR THE CONVECTION WHICH
DEVELOPS THIS AFTERNOON FOR EVENING DESCRIPTIONS.  BUT DO
ANTICIPATE RADARS INCREASING IN COVERAGE WITH CONVECTION AS TEMPS
CLIMB INTO THE 70S.

FOR TUESDAY...THE MODELS CONTINUE TO PROG ISOLD TO SCT AFTN
INSTAB CONVECTION AS THE UPPER TROF AXIS LINGERS OVER THE
SOUTHEAST HALF OF WI AND COOLER H5 DROPS OVER ERN WI. MODELS IN
AGREEMENT WITH HANGING ONTO SURFACE DEWPOINTS IN THE 55 TO 60 RANGE
FOR AT LEAST THE SRN HALF OF THE STATE INCLUDING CENTRAL AND EC WI
SO WILL CONTINUE AFTN INSTAB CHC MENTION. NOTE SCT SHRA AND TSRA
OVER THE ARROWHEAD OF MN THIS AFTERNOON NEAR THIS AXIS AND LEADING
EDGE OF COOLER AIR ALOFT.

.LONG TERM...TUESDAY NIGHT THROUGH MONDAY. QUITE WEATHER REGIME
THROUGH WEDNESDAY NIGHT AS UPPER RIDGE AND SURFACE DOMINATE THE
AREA.  ONSET OF PRECIPITATION ON THE RETURN FLOW SIDE OF A SURFACE
HIGH FOR THURSDAY IS THE MAIN CONCERN. ON THURSDAY...MDM RANGE
MODELS SUGGEST THE RIDGE WILL BE HOLDING ON A BIT LONGER OVER THE
AREA. THEREFORE WILL CONTINUE A DRY FORECAST INTO THURSDAY. WILL
CONFINE PCPN FOR THURSDAY NIGHT AS THE COLD FRONT MAKE ITS WAY
INTO THE AREA. THE FRONT MAY MOVE THROUGH FAST ON FRIDAY BUT WILL
CONTINUE PCPN CHC THROUGH THE DAY.   FRIDAY AFTERNOON TO MONDAY A
RIDGE WILL BUILD OVER THE AREA FOR THE WEEKEND ALTHOUGH TEMPERATURES
WILL REMAIN MILD DUE TO THE NW FLOW.

ONLY MINOR ADJUSTMENTS...IF ANY...WERE MADE TO TEMPERATURES.

&&

.AVIATION...SCT MVFR CIGS THIS AFTERNOON AND EVENING WITH SCT
CONVECTION...THE AREAS OF MVFR CIGS SPREADING INTO NRN WI TONIGHT.

&&

.GRB WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

TDH/MARQUIS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE GREEN BAY WI
357 AM CDT MON JUL 21 2008

WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-220900-
VILAS-ONEIDA-FOREST-FLORENCE-NORTHERN MARINETTE-LINCOLN-LANGLADE-
MENOMINEE-NORTHERN OCONTO-DOOR-MARATHON-SHAWANO-WOOD-PORTAGE-
WAUPACA-OUTAGAMIE-BROWN-KEWAUNEE-WAUSHARA-WINNEBAGO-CALUMET-
MANITOWOC-SOUTHERN MARINETTE-SOUTHERN OCONTO-
357 AM CDT MON JUL 21 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
AND NORTHEAST WISCONSIN.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND THIS EVENING OVER
THE FORECAST AREA...THOUGH THEY ARE NOT EXPECTED TO BECOME SEVERE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS ARE POSSIBLE LATE IN THE WEEK...BUT IT IS TOO SOON TO
DETERMINE THEIR SEVERE WEATHER POTENTIAL.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.

LMZ521-522-541>543-220900-
THE BAY OF GREEN BAY SOUTH OF A LINE FROM CEDAR RIVER MI TO ROCK
ISLAND PASSAGE-LAKE MICHIGAN FROM WASHINGTON ISLAND TO SHEBOYGAN-
357 AM CDT MON JUL 21 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF LAKE MICHIGAN.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS ARE POSSIBLE THIS AFTERNOON AND THIS EVENING OVER
THE FORECAST AREA...THOUGH THEY ARE NOT EXPECTED TO BECOME SEVERE.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

THUNDERSTORMS ARE POSSIBLE LATE IN THE WEEK...BUT IT IS TOO SOON TO
DETERMINE THEIR SEVERE WEATHER POTENTIAL.

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE GREEN BAY WI
1223 PM CDT MON JUL 21 2008

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

1013 PM     TSTM WND DMG     2 SE MAPLEWOOD          44.73N 87.46W
07/20/2008                   DOOR               WI   NWS STORM SURVEY

            THUNDERSTORM WINDS...LIKELY THE REAR-FLANK DOWNDRAFT...
            SNAPPED SEVERAL TEN TO TWELVE INCH DIAMETER TREES.

&&

JKL