Severe Thunderstorm Warning 206, NWS Indianapolis, IN

000 
WWUS53 KIND 020158
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
958 PM EDT FRI AUG 1 2008

INC035-095-020215-
/O.CON.KIND.SV.W.0206.000000T0000Z-080802T0215Z/
DELAWARE-MADISON-
958 PM EDT FRI AUG 1 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1015 PM EDT
FOR NORTHWESTERN DELAWARE AND NORTHEASTERN MADISON COUNTIES...

AT 955 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR SUMMITVILLE...OR 6 MILES SOUTH OF FAIRMOUNT...MOVING
SOUTHEAST AT 24 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  ALEXANDRIA BY 1005 PM EDT...
  GASTON BY 1010 PM EDT...
  YORKTOWN BY 1015 PM EDT...

LAT...LON 4039 8557 4018 8537 4016 8561 4040 8578
      4040 8573
TIME...MOT...LOC 0158Z 330DEG 21KT 4031 8565

$$

JOHNSON

000 
WWUS53 KIND 020212
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1012 PM EDT FRI AUG 1 2008

INC035-095-020222-
/O.EXP.KIND.SV.W.0206.000000T0000Z-080802T0215Z/
DELAWARE-MADISON-
1012 PM EDT FRI AUG 1 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN DELAWARE AND
NORTHEASTERN MADISON COUNTIES WILL EXPIRE AT 1015 PM EDT/915 PM
CDT/...

THE STORM HAS WEAKENED BELOW SEVERE LIMITS. 

LAT...LON 4039 8557 4018 8537 4016 8561 4040 8578
      4040 8573
TIME...MOT...LOC 0212Z 330DEG 21KT 4024 8560

$$

JOHNSON

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
655 PM EDT FRI AUG 1 2008

.AVIATION...

DISCUSSION FOR 00Z TAFS.

EVENING THUNDERSTORMS WILL BE SO FAR SOUTH THAT THEY WILL ONLY BE
MENTIONED IN KBMG TAF FOR THE FIRST 3 HOURS. AFTER THAT CLEARING
IS EXPECTED BUT THE VFR CONDITIONS WILL GIVE WAY TO FOG AGAIN
TONIGHT WITH MVFR EXPECTED AT ALL SITES WITH IFR CONDITIONS
POSSIBLE TOWARDS SUNRISE IN THE OUTLYING AREAS. IND SHOULD REMAIN
MVFR OR BETTER. THEN A RETURN TO VFR AT ALL SITES AFTER 14Z.

&&

.PREV DISCUSSION... /ISSUED 200 PM EDT FRI AUG 1 2008/

DISCUSSION...EARLY THIS AFTERNOON A WEAK COOL FRONT WAS FOUND FM
SRN MI TO NRN IL STRETCHING TO N CENTRAL MO. VIS SAT PIX SHOW
ABUNDANT CLOUD COVER ACRS IL AND PLENTY OF SHALLOW CU ACRS INDIANA.
WEAK SW SFC FLOW WAS FOUND ACRS THE AREA AND DEW POINTS WERE QUITE
HUMID...NEAR 70.

MAIN FORECAST CHALLENGE TONIGHT WL BE POPS.

MODELS REMAIN IN PRETTY GOOD AGREEMENT AND WL USE A BLEND FOR THE
MOST PART. H2O VAPOR IMAGERY SHOWS A S/W OVR WRN ONTARIO DIVING SE
TOWARD THE GRT LKS. MODELS KEEP THE BEST DYNAMICS WITH THIS FEATURE
WELL NORTH OF INDIANA. FORECAST SOUNDINGS INDICATE A WEAK CAP IN
PLACE ACRS CENTRAL INDIANA. TIME HEIGHT SECTIONS SHOW LIMITED MID
AND UPPER LVL MOISTURE...BUT GOOD LWR LVL MOISTURE....BUT UPWARD VV
IS NOT WELL ORGANIZED. LITTLE TO NO HELP TONIGHT SEEN ON THE 310K
ISENTROPIC SFC. HENCE BEST CHCS FOR FORCING WL BE DIURNALLY DRIVEN
ALONG WITH EFFECTS FROM THE UPPER S/W...WHICH WL BE MINIMAL.
HENCE...ATTM FEEL THE CAP WL PROBABLY HOLD FOR MUCH OF THE DAY.
HENCE WL KEEP LOW CHC POPS ACRS THE NRN PARTS OF THE FA...AS THIS
AREA WOULD BE MOST LIKELY TO BE INFLUENCED BY THE S/W. FARTHER SOUTH
WL STICK CLOSE TO MAVMOS POPS...WHICH SHUD RESULT IN A DRY FCST.
GIVEN THE MOIST DEW POINTS ACRS THE AREA...WL LEAN TO THE WARMER
SIDE OF THE MAVMOS ON LOWS.

DRIER BUT WARM AIR BEGINS TO SPREAD INTO INDIANA ON SATURDAY AND
SUNDAY AS THE RIDGE OVR THE CENTRAL PLAINS BUILDS INTO THE STATE.
HENCE PTCLDY AND HUMID WARM DAYS ALONG WITH MOCLR AND MILD NIGHTS WL
BE THE WAY TO GO. H8 TEMPS WL GRADUALLY INCREASE AS THE WEEKEND
PROGRESSES...REACHING THE UPPER TEENS BY SUNDAY. GIVEN THE
WARM...MOIST AIR MASS WL CONTINUE TO LEAN TO THE WARMER SIDE OF THE
MAVMOS ON LOWS FOR SAT NIGHT AND SUN NIGHT. AS FOR HIGHS...A BLEND
OF THE MAVMOS AND METMOS SHUD WORK FINE...AS MAVMOS CONTINUE TO RUN
SLIGHTLY WARM.

AS FOR THE EXTENDED...UPPER RIDGE WILL REMAIN OVR THE AREA ON MONDAY
PROVIDING ANOTHER DAY OF HOT AND DRY WX...BUT THE RIDGE WL BEGIN TO
BREAK DOWN AND SLIDE EAST ON TUES AND WED. VERY WARM AND VERY HUMID
AIR WL LINGER IN PLACE ACRS INDIANA AS A COLD FRONT SLOWLY PUSHES
SOUTH THROUGH THIS PERIOD. HENCE WL NEED TO CONTINUE THE TSRA CHCS
FOR TUESDAY AFTERNOON THROUGH WED NIGHT. ADDITIONAL CLOUDS AND
POSSIBLE TSRA SHUD HELP COOL PREVIOUS HIGH TEMPS FROM THE MID 90S
ABOUT 3 TO 5 DEGREES.

ATTM THERE APPEARS TO BE A LACK OF UPPER SUPPORT ON THURSDAY AND
FRIDAY...ALONG WITH WEAK BUT BROAD HIGH PRES IN PLACE AT THE SFC.
FURTHERMORE MID LVLS SUGGEST SUBSIDENCE IN THE WAKE OF WEDNESDAY/S
FRONT. HENCE WL KEEP THE THURSDAY-FRIDAY PD DRY ALONG WITH
SEASONABLE TEMPS FOR NOW.

&&

.IND WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

AVIATION...JOHNSON
PUBLIC...JP

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
530 PM EDT FRI AUG 1 2008

INZ021-028>031-035>049-051>057-060>065-067>072-021000-
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-VERMILLION-PARKE-
PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-
JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-
DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS-
530 PM EDT FRI AUG 1 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

SCATTERED THUNDERSTORMS ARE POSSIBLE ACROSS CENTRAL INDIANA
TONIGHT. THERE IS A SLIGHT RISK THESE STORMS WILL BE SEVERE WITH
THE MAIN THREATS BEING DAMAGING WINDS...BRIEF HEAVY RAIN AND
DEADLY CLOUD TO GROUND LIGHTNING.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY.

THERE IS ALSO A CHANCE OF THUNDERSTORMS TUESDAY AFTERNOON THROUGH
WEDNESDAY NIGHT.

VERY HOT AND HUMID WEATHER WILL OCCUR EARLY NEXT WEEK. AFTERNOON HEAT
INDEX VALUES WILL BE IN THE MIDDLE 90S SUNDAY AND MONDAY AND CLOSE
TO 100 TUESDAY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE TONIGHT.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

KOCH