Alert archive / Indiana / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 176, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Aug 4, 2010, 1:36 AM EDT for Carroll County, Howard County, Tipton County, Indiana. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 4, 2010, 1:36 AM EDT (05:36 UTC)
- Expired
- Aug 4, 2010, 2:00 AM EDT
- In force
- 24 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Carroll County, IN, Howard County, IN, Tipton County, IN
The radar
The Indianapolis radar (KIND), 84 km from the middle of the area, began a volume at 05:36 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
Lincoln, IL (KILX), launched 00:00Z, 5.6 hours before the alert went out and 203 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
- 4758 J/kg
- Mixed-layer CIN
- -29 J/kg
- Mixed-layer LCL
- 1196 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 164 m²/s²
- Significant tornado parameter
- 2.0
- Supercell composite
- 15.0
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 Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at Aug 4, 1:15 AM EDT, 21 minutes earlier.
Area forecast discussion, Aug 4, 1:15 AM EDT, 21 minutes before
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</html>Hazardous weather outlook, Aug 3, 10:24 PM EDT, 3 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE INDIANAPOLIS IN 1024 PM EDT TUE AUG 3 2010 INZ043>048-051>057-060>065-067>072-050230- VERMILLION-PARKE-PUTNAM-HENDRICKS-MARION-HANCOCK-VIGO-CLAY-OWEN- MORGAN-JOHNSON-SHELBY-RUSH-SULLIVAN-GREENE-MONROE-BROWN- BARTHOLOMEW-DECATUR-KNOX-DAVIESS-MARTIN-LAWRENCE-JACKSON-JENNINGS- 1024 PM EDT TUE AUG 3 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...TONIGHT. ISOLATED STRONG THUNDERSTORMS ARE POSSIBLE TONIGHT. THE MAIN THREATS WILL BE HEAVY DOWNPOURS AND FREQUENT LIGHTNING. WIND GUSTS TO 40 MPH WILL BE POSSIBLE. IN ADDITION...HEAT INDEX VALUES IN THE 90S TO NEAR 100 MAY LAST INTO THE OVERNIGHT HOURS...ESPECIALLY IN URBAN AREAS. PATCHY FOG IS ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. STRONG THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY AND THURSDAY. THE MAIN THREAT WILL BE HEAVY DOWNPOURS AND FREQUENT LIGHTNING. WIND GUSTS TO 40 MPH WILL BE POSSIBLE. IN ADDITION...HEAT INDEX VALUES WILL BE AROUND 105 ON WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE) INZ021-028>031-035>042-049-050230- CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY- BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-HENRY- 1024 PM EDT TUE AUG 3 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA. .DAY ONE...TONIGHT. ISOLATED STRONG THUNDERSTORMS ARE POSSIBLE TONIGHT. THE MAIN THREAT WILL BE GUSTY WINDS. FREQUENT LIGHTNING AND HEAVY DOWNPOURS ARE ALSO POSSIBLE. IN ADDITION...HEAT INDEX VALUES IN THE 90S MAY PERSIST INTO THE OVERNIGHT HOURS...ESPECIALLY IN URBAN AREAS. PATCHY FOG IS ALSO POSSIBLE. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY. STRONG THUNDERSTORMS WILL BE POSSIBLE WEDNESDAY AND THURSDAY. THE MAIN THREATS FROM STORMS WILL BE HEAVY DOWNPOURS AND FREQUENT LIGHTNING. WIND GUSTS TO 40 MPH WILL BE POSSIBLE. IN ADDITION...HEAT INDEX VALUES AROUND 100 ARE EXPECTED WEDNESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED. && MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL LOWERCASE)
In the hours before
Local storm report, Aug 4, 12:56 AM EDT, 40 minutes before
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</html>Local storm report, Aug 4, 1:31 AM EDT, 5 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 4, 12:31 AM EDT | Tornado Warning | IND | Howard | 14 min |
| Aug 4, 1:06 AM EDT | Severe Thunderstorm Warning | IND | Carroll | 24 min |
| Aug 4, 1:44 AM EDT | Areal Flood Warning | IND | Carroll | 4 hr |
| Aug 4, 2:01 AM EDT | Severe Thunderstorm Warning | IND | Clinton, Howard, Tipton | 29 min |
| Aug 4, 5:30 AM EDT | Excessive Heat Warning | IND | Bartholomew, Brown, Clay, Daviess, Decatur, Greene and 11 more | 15 hr |
| Aug 4, 11:16 AM EDT | Special Weather Statement | IND | Delaware, Randolph | 59 min |
| Aug 4, 11:49 AM EDT | Severe Thunderstorm Warning | IND | Delaware, Randolph | 41 min |
| Aug 4, 12:30 PM EDT | Special Weather Statement | IND | Randolph | 15 min |
| Aug 4, 1:34 PM EDT | Special Weather Statement | IND | Rush | 41 min |
| Aug 4, 4:41 PM EDT | Special Weather Statement | IND | Warren | 49 min |
| Aug 4, 5:31 PM EDT | Special Weather Statement | IND | Tippecanoe, Warren | 44 min |
| Aug 4, 6:20 PM EDT | Special Weather Statement | IND | Tippecanoe | 40 min |
| Aug 4, 6:23 PM EDT | Special Weather Statement | IND | Warren | 37 min |
| Aug 4, 6:30 PM EDT | Special Weather Statement | IND | Howard | 45 min |
| Aug 4, 6:45 PM EDT | Special Weather Statement | IND | Clinton, Fountain, Tippecanoe | 45 min |
| Aug 4, 6:50 PM EDT | Severe Thunderstorm Warning | IND | Boone, Clinton, Fountain, Montgomery, Tippecanoe | 40 min |
| Aug 4, 7:23 PM EDT | Severe Thunderstorm Warning | IND | Boone, Clinton, Hamilton, Hendricks, Marion, Montgomery and 1 more | 52 min |
| Aug 4, 7:27 PM EDT | Severe Thunderstorm Warning | IND | Fountain, Montgomery, Parke, Putnam | 48 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 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.