Alert archive / Indiana / Special Weather Statements in 2010
Special Weather Statement, NWS Indianapolis, IN
NWS Indianapolis, IN issued this special weather statement at Aug 11, 2010, 8:21 AM EDT for Delaware County, Randolph County, Indiana. It was in force for 54 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 11, 2010, 8:21 AM EDT (12:21 UTC)
- Expired
- Aug 11, 2010, 9:15 AM EDT
- In force
- 54 min
- Issued by
- NWS Indianapolis, IN
Counties Delaware County, IN, Randolph County, IN
The radar
The Indianapolis radar (KIND), 116 km from the middle of the area, began a volume at 12:22 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
Cncnati-Daytn, OH (KILN), launched 12:00Z, 0.4 hours before the alert went out and 144 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.
- Mixed-layer CAPE
- 2143 J/kg
- Mixed-layer CIN
- -24 J/kg
- Mixed-layer LCL
- 995 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>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 Indianapolis, IN wrote its last area forecast discussion before this special weather statement went out at Aug 11, 7:00 AM EDT, 1 hour 21 minutes earlier.
Area forecast discussion, Aug 11, 7:00 AM EDT, 1 hour 21 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE INDIANAPOLIS IN 700 AM EDT WED AUG 11 2010 .UPDATE... THE AVIATION SECTION HAS BEEN UPDATED BELOW. && .SYNOPSIS... A DIFFUSE FRONTAL BOUNDARY IS EXPECTED TO LINGER ACROSS THE AREA THROUGH THE END OF THE WORK WEEK. A STRONGER COLD FRONT IS EXPECTED TO PUSH THROUGH OVER THE WEEKEND. HIGH PRESSURE WILL THEN BUILD ACROSS THE REGION THROUGH EARLY NEXT WEEK. && .NEAR TERM /TODAY/... FORECAST FOCUS FOR THE NEAR AND SHORT TERM CONTINUES TO BE ON TEMPERATURES AND THUNDERSTORM CHANCES. ANALYSIS AS OF 3 AM THIS MORNING DEPICTS A STALLED FRONTAL BOUNDARY DRAPED ACROSS CENTRAL ILLINOIS AND INDIANA. SHOWER AND THUNDERSTORM ACTIVITY HAS WANED SIGNIFICANTLY OVERNIGHT WITH THE LOSS OF DAYTIME HEATING. MEANWHILE A WEAK UPPER TROUGH POSITIONED OVER THE UPPER MS VALLEY WILL SHIFT EASTWARD THROUGH EARLY TODAY AND WEAKEN AS IT APPROACHES THE GREAT LAKES. THE COLD FRONT WITH THIS FEATURE SHOULD REMAIN TO THE NORTH OF THE FORECAST AREA...KEEPING THE ASSOCIATED SHOWERS AND THUNDERSTORMS GENERALLY OUT OF THE AREA...THOUGH IT IS POSSIBLE SOME OF THIS ACTIVITY MAY CROSS OVER. IN TERMS OF MODEL CONSENSUS THERE SEEMS TO BE BETTER AGREEMENT WITH REGARD TO TEMPERATURES...THE GFS IS NOW ONLY SLIGHTLY WARMER THAN THE NAM. SHOWER/THUNDERSTORM ACTIVITY WILL BE SIMILAR TO TUESDAY...NOT WIDESPREAD IN COVERAGE, VERY HIT OR MISS...BUT HEAVY RAIN IS POSSIBLE IN ANY OF THE TRAINING THUNDERSTORMS AS PWAT'S CONTINUE TO RUN NEAR 2" AND STORM MOTION REMAINS LESS THAN 10 KTS. BASED ON PERSISTENCE LEANED TOWARD THE SLIGHTLY WARMER GFS FOR TEMPS TODAY. BELIEVE THAT DESPITE THE CHANCES FOR THUNDER AND PARTLY SUNNY CLOUD COVER...LLVL THICKNESSES INDICATE WE WILL SEE TEMPS VERY SIMILAR TO WED...LOW 90S NORTH TO UPPER 90S SOUTH. THIS COUPLED WITH HIGH DEWPOINTS IN THE MID 70S WILL ONCE AGAIN PUSH US OVER TO HEAT WARNING/ADVISORY CRITERIA FOR ANOTHER DAY. AN EXCESSIVE HEAT WARNING WAS ISSUED FOR MARION COUNTY AND SOUTHWARD...WITH ADVISORIES FOR THE REST OF THE NORTHERN COUNTIES. && .SHORT TERM /TONIGHT THROUGH FRIDAY NIGHT/... THE AFOREMENTIONED HEAT WARNINGS/ADVISORIES HAVE BEEN CARRIED THROUGH UNTIL THURSDAY EVENING. OVERNIGHT TEMPERATURES ARE NOT EXPECTED TO FALL BELOW THE MID TO UPPER 70S...AGAIN SIMILAR TO TUE NIGHT...AND THICKNESS SCHEMES INDICATE THAT THU WILL BE ALMOST JUST AS HOT AS WED. PRECIP CHANCES LOOK LOWER AS WELL...AS THERE IS LITTLE FORCING WITH THE LINGERING BOUNDARY TO PRODUCE CONVECTION. STILL A LOW CHANCE WILL BE CONTINUE INTO THU AFTERNOON/EVENING. AGAIN THIS IS NOT EXPECTED TO IMPACT THE SOARING TEMPS MUCH. BOUNDARY FINALLY DROPS SOUTH OF THE INDIANA ON FRIDAY, PROVIDING A DRY FORECAST TO THE END OF THE WORK WEEK. HOWEVER...TEMPS CONTINUE TO BE AN ISSUE...ALBEIT NOT QUITE AS HOT/HUMID AS DEW POINTS FALL INTO THE LOW 70S. A HEAT ADVISORY MAY LIKELY BE NEEDED FOR MANY LOCATIONS ON FRIDAY...AND POSSIBLY WARNINGS ACROSS THE FAR SOUTH. && .LONG TERM /SATURDAY THROUGH NEXT TUESDAY/... ENSEMBLE DATA SUGGEST FAIRLY SIGNIFICANT TROUGHING FOR THIS TIME OF YEAR WILL DROP INTO THE NORTHERN PLAINS AND GREAT LAKES OVER THE WEEKEND AND SHOULD LINGER INTO EARLY NEXT WEEK. WILL CONTINUE WITH CHANCE POPS SATURDAY AND SUNDAY AS A COLD FRONT ASSOCIATED WITH THE DEVELOPING UPPER TROUGH WILL BE MOVING THROUGH AT THAT TIME. CONSIDERING THE STRENGTH OF THE UPPER TROUGH...FRONT SHOULD HAVE A GOOD PUSH WITH IT. ENSEMBLE DATA SUGGEST BY MONDAY AND TUESDAY...FRONT SHOULD BE FAR ENOUGH SOUTHEAST OF THE AREA TO END THE RAIN THREAT AS A MORE STABLE AIR MASS FILTERS IN BEHIND THE FRONT. && .AVIATION /DISCUSSION FOR THE 11/12Z TAFS/... FLUCTUATING VISIBILITIES HAVE LARGELY RECOVERED TO VFR OR HIGH END MVFR...SAVE FOR HUF WHERE IFR CONDITIONS AND RECENT LIFR CONDITIONS HAVE BEEN OCCURRING. VISIBILITIES WILL IMPROVE IN TYPICAL DIURNAL FASHION THIS MORNING...AND ADDITIONAL FOG IS POSSIBLE TONIGHT. HOWEVER...THIS IS HIGHLY DEPENDENT ON THE INFLUENCE OF CONVECTION TODAY AND TONIGHT...AND PREDICTABILITY THIS FAR OUT IS LIMITED AT BEST...SO WILL ONLY HINT AT THIS WITH 6SM BR AFTER 00Z TONIGHT. WHAT MAY BE JUST A FIRST ROUND OF CONVECTION HAS ALREADY BROKEN OUT THIS MORNING IN WESTERN ILLINOIS AND NORTH/NORTH CENTRAL INDIANA. AS SUCH...HAVE INCLUDED CBS AND/OR VCTS WHERE APPROPRIATE...ESPECIALLY AT LAF/HUF EARLY...WITH OTHER SITES FOLLOWING SUIT LATER IN THE DAY AND CONTINUING THIS EVENING. && .IND WATCHES/WARNINGS/ADVISORIES... EXCESSIVE HEAT WARNING FROM 11 AM THIS MORNING TO 8 PM EDT THURSDAY FOR INZ043>047-051>056-060>065-067>072. HEAT ADVISORY FROM 11 AM THIS MORNING TO 8 PM EDT THURSDAY FOR INZ021-028>031-035>042-048-049-057. && SYNOPSIS...SMF NEAR TERM...SMF SHORT TERM...SMF LONG TERM....JAS AVIATION...NIELD
Hazardous weather outlook, Aug 11, 3:47 AM EDT, 4 hours 34 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 347 AM EDT WED AUG 11 2010 INZ043>047-051>056-060>065-067>072-120800- VERMILLION-PARKE-PUTNAM-HENDRICKS-MARION-VIGO-CLAY-OWEN-MORGAN- JOHNSON-SHELBY-SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-DECATUR- KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS- 347 AM EDT WED AUG 11 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...TODAY AND TONIGHT. ...AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THURSDAY... HEAT INDEX VALUES WILL AGAIN REACH THE 105 TO 110 DEGREE RANGE THIS AFTERNOON...AS AIR TEMPERATURES RISE INTO THE MID TO UPPER 90S. THE HEAT INDEX WILL ONLY FALL INTO THE MID TO UPPER 70S DURING THE OVERNIGHT HOURS. IN ADDITION THERE IS A CHANCE OF THUNDERSTORMS. BUT NONE ARE EXPECTED TO BE SEVERE...HOWEVER LIGHTNING IS A HAZARD WITH ANY THUNDERSTORM. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. ...AN EXCESSIVE HEAT WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THURSDAY... HEAT INDEX VALUES WILL AGAIN REACH THE 105 TO 110 DEGREE RANGE THURSDAY AFTERNOON...AS AIR TEMPERATURES RISE INTO THE MID TO UPPER 90S. THE HEAT INDEX WILL ONLY FALL INTO THE MID TO UPPER 70S DURING THE OVERNIGHT HOURS. HEAT INDEX READINGS IN EXCESS OF 100 DEGREES ARE ALSO POSSIBLE FRIDAY AFTERNOON. THUNDERSTORMS ARE POSSIBLE AGAIN ON THURSDAY...AND THEN ADDITIONAL THUNDERSTORMS ARE POSSIBLE THIS WEEKEND. IT IS TOO SOON TO DETERMINE IF THE STORMS WILL BE SEVERE...HOWEVER LIGHTNING IS A THREAT FROM ANY THUNDERSTORM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE) INZ021-028>031-035>042-048-049-057-120800- CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-HANCOCK-HENRY- RUSH- 347 AM EDT WED AUG 11 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...TODAY AND TONIGHT. ...A HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THURSDAY... HEAT INDEX VALUES OF 100 TO 104 DEGREES ARE EXPECTED THIS AFTERNOON...AS AIR TEMPERATURES RISE INTO THE LOW 90S. THE HEAT INDEX WILL ONLY FALL INTO THE MID 70S DURING THE OVERNIGHT HOURS. IN ADDITION THERE IS A CHANCE OF THUNDERSTORMS. BUT NONE ARE EXPECTED TO BE SEVERE...HOWEVER LIGHTNING IS A HAZARD WITH ANY THUNDERSTORM. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. ...A HEAT ADVISORY REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8 PM EDT THURSDAY... HEAT INDEX VALUES OF 100 TO 104 DEGREES ARE EXPECTED AGAIN THURSDAY AFTERNOON...AS AIR TEMPERATURES RISE INTO THE LOW 90S. THE HEAT INDEX WILL ONLY FALL INTO THE MID 70S DURING THE OVERNIGHT HOURS. HEAT INDEX READINGS NEAR 100 DEGREES ARE ALSO POSSIBLE FRIDAY AFTERNOON. THUNDERSTORMS ARE POSSIBLE AGAIN ON THURSDAY...AND THEN ADDITIONAL THUNDERSTORMS ARE POSSIBLE THIS WEEKEND. IT IS TOO SOON TO DETERMINE IF THE STORMS WILL BE SEVERE...HOWEVER LIGHTNING IS A THREAT FROM ANY THUNDERSTORM. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT ANTICIPATED. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE) SMFLECHT
In the hours before
Special weather statement, Aug 11, 6:43 AM EDT, 1 hour 38 minutes before
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</html>Special weather statement, Aug 11, 6:51 AM EDT, 1 hour 30 minutes before
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</html>Local storm report, Aug 11, 7:55 AM EDT, 26 minutes before
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</html>Local storm report, Aug 11, 8:16 AM EDT, 5 minutes before
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</html>Special weather statement, Aug 11, 8:21 AM EDT, 0 minutes before
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</html>The office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 3:12 AM EDT | Excessive Heat Warning | IND | Bartholomew, Boone, Brown, Carroll, Clay, Clinton and 26 more | 4 days |
| Aug 11, 3:12 AM EDT | Heat Advisory | IND | Boone, Carroll, Clinton, Delaware, Fountain, Hamilton and 10 more | 4 days |
| Aug 11, 7:23 AM EDT | Special Weather Statement | IND | Delaware | 22 min |
| Aug 11, 8:25 AM EDT | Special Weather Statement | IND | Tippecanoe | 50 min |
| Aug 11, 9:12 AM EDT | Special Weather Statement | IND | Carroll, Tippecanoe | 48 min |
| Aug 11, 9:27 AM EDT | Special Weather Statement | IND | Clinton, Howard, Tipton | 48 min |
| Aug 11, 10:02 AM EDT | Special Weather Statement | IND | Howard, Tipton | 43 min |
| Aug 11, 10:37 AM EDT | Special Weather Statement | IND | Delaware, Hamilton, Madison | 38 min |
| Aug 11, 11:10 AM EDT | Special Weather Statement | IND | Madison | 50 min |
| Aug 11, 11:32 AM EDT | Special Weather Statement | IND | Hancock | 43 min |
| Aug 11, 11:56 AM EDT | Special Weather Statement | IND | Hancock | 49 min |
| Aug 11, 12:09 PM EDT | Severe Thunderstorm Warning | IND | Hancock, Henry, Rush, Shelby | 51 min |
| Aug 11, 12:57 PM EDT | Special Weather Statement | IND | Decatur, Rush, Shelby | 63 min |
| Aug 11, 1:16 PM EDT | Special Weather Statement | IND | Bartholomew | 44 min |
| Aug 11, 5:33 PM EDT | Special Weather Statement | IND | Henry | 42 min |
| Aug 11, 6:06 PM EDT | Special Weather Statement | IND | Hancock, Rush | 39 min |
Nearby
Special Weather Statements in Indiana, 2010Every 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.