Alert archive / Indiana / Special Weather Statements in 2010

Special Weather Statement, NWS Indianapolis, IN

August 4, 2010Warren County, Indiana

NWS Indianapolis, IN issued this special weather statement at Aug 4, 2010, 4:41 PM EDT for Warren County, Indiana. It was in force for 49 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 4, 2010, 4:41 PM EDT (20:41 UTC)
Expired: Aug 4, 2010, 5:30 PM EDT
In force: 49 min
Issued by: NWS Indianapolis, IN

County Warren County, IN

The radar

The Indianapolis radar (KIND), 120 km from the middle of the area, began a volume at 20:43 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 12:00Z, 8.7 hours before the alert went out and 106 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3057 J/kg
Mixed-layer CIN: -74 J/kg
Mixed-layer LCL: 1226 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 30 m²/s²
0-3 km storm-relative helicity: -33 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 4, 3:44 PM EDT, 57 minutes earlier.

Area forecast discussion, Aug 4, 3:44 PM EDT, 57 minutes before

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Hazardous weather outlook, Aug 4, 1:22 PM EDT, 3 hours 19 minutes before

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In the hours before

Local storm report, Aug 4, 12:02 PM EDT, 4 hours 39 minutes before

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Local storm report, Aug 4, 12:21 PM EDT, 4 hours 20 minutes before

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Special weather statement, Aug 4, 12:30 PM EDT, 4 hours 11 minutes before

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Special weather statement, Aug 4, 1:34 PM EDT, 3 hours 7 minutes before

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Local storm report, Aug 4, 3:09 PM EDT, 1 hour 32 minutes before

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Special weather statement, Aug 4, 4:41 PM EDT, 0 minutes before

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
441 PM EDT WED AUG 4 2010

INZ028-035-042130-
FOUNTAIN-WARREN-
441 PM EDT WED AUG 4 2010

...STRONG THUNDERSTORM ADVISORY FOR NORTHERN FOUNTAIN AND WARREN
COUNTIES UNTIL 530 PM EDT/430 PM CDT/...

AT 438 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR WAS TRACKING A
STRONG THUNDERSTORM 10 MILES SOUTHEAST OF ROSSVILLE...OR 14 MILES
NORTHEAST OF DANVILLE...MOVING EAST AT 20 MPH.

HAIL UP TO THE SIZE OF PENNIES AND WIND GUSTS UP TO 40 MPH ARE
EXPECTED WITH THIS STORM...ALONG WITH FREQUENT DANGEROUS LIGHTNING.

THIS STORM WILL BE NEAR...
TAB AROUND 445 PM EDT...
WEST LEBANON AROUND 455 PM EDT...
RAINSVILLE AROUND 505 PM EDT...
WILLIAMSPORT AROUND 510 PM EDT...
ATTICA AROUND 515 PM EDT...

&&

LAT...LON 4044 8754 4049 8724 4048 8718 4025 8711
      4023 8754 4030 8754
TIME...MOT...LOC 2040Z 265DEG 17KT 4032 8748

MRD/MK

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, 1:36 AM EDT	Severe Thunderstorm Warning	IND	Carroll, Howard, Tipton	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, 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

Special Weather Statements in Indiana, 2010 Every 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.