Alert archive / Indiana / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 71, NWS Indianapolis, IN

April 7, 2006Hamilton County, Marion County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 7, 2006, 3:20 PM EDT for Hamilton County, Marion County, Indiana. It was in force for 25 min. 4 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Apr 7, 2006, 3:20 PM EDT (19:20 UTC)
Expired: Apr 7, 2006, 3:45 PM EDT
In force: 25 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Hamilton County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 36 km from the middle of the area, began a volume at 19:19 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.

What was reported inside it

Time	Report	Where
Apr 7, 3:25 PM EDT	HAIL 1	1 N Carmel, IN
Apr 7, 3:26 PM EDT	HAIL 1.75	Carmel, IN
Apr 7, 3:32 PM EDT	HAIL 0.88	Carmel, IN
Apr 7, 3:34 PM EDT	HAIL 1.5	2 Wnw Castleton, IN

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 5 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Apr 7, 1:52 PM EDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.3 hours before the alert went out and 205 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 885 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 233 m²/s²
0-3 km storm-relative helicity: 244 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIND 071920
SVRIND
INC057-097-071945-
/O.NEW.KIND.SV.W.0071.060407T1920Z-060407T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
320 PM EDT FRI APR 7 2006

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HAMILTON COUNTY IN CENTRAL INDIANA
  NORTH CENTRAL MARION COUNTY IN CENTRAL INDIANA

* UNTIL 345 PM EDT

* AT 315 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 10 MILES WEST OF WYNNEDALE...OR ABOUT 14 MILES
  NORTHWEST OF INDIANAPOLIS...AND MOVING EAST AT 45 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NORTH CROWS NEST AROUND 325 PM EDT...
  WILLIAMS CREEK AROUND 330 PM EDT...
  CARMEL AROUND 335 PM EDT...
  NOBLESVILLE AROUND 340 PM EDT...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF
YOUR HOME OR BUSINESS. THIS STORM HAS THE POTENTIAL TO CAUSE SERIOUS
INJURY AND SIGNIFICANT DAMAGE TO PROPERTY.

LAT...LON 4006 8624 3981 8625 3986 8601 3993 8609
      4003 8587 4022 8586

$$

KOCH

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 Apr 7, 1:50 PM EDT, 1 hour 30 minutes earlier.

Area forecast discussion, Apr 7, 1:50 PM EDT, 1 hour 30 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
150 PM EDT FRI APR 7 2006

.DISCUSSION...MODELS ARE IN DECENT AGREEMENT. WL USE BLEND.

MAIN FORECAST DILEMMA THIS TIME AROUND WL BE TIMING OF PRECIP ENDING
TONIGHT.

.SHORT TERM...
FRONTAL BOUNDARY ACROSS NORTHERN INDIANA IS BEGINNING TO MOVE SOUTH
AT 18Z INTO AN INCREASINGLY MOIST AND UNSTABLE AIRMASS.  17Z CAPES
HAVE INCREASED TO 2500 OVER MUCH OF THE AREA WITH LITTLE REMAINING
CIN.  EXPECT THE FRONT TO MOVE SOUTH ACROSS THE FA THIS AFTERNOON
AND EVENING EXITING BY 03Z.  INSTABILITY AND DEEP LAYER SHEAR
INDICATE A GOOD CHANCE FOR SEVERE STORMS WITH DAMAGING WINDS AND
LARGE HAIL THE MAIN THREAT. TEMPS WL GENERALLY BE IN THE UPPER 30S
AFT FROPA. MOS GUIDANCE LOOKS GOOD. WL USE BLEND.

.SATURDAY THROUGH MID WEEK...
SATURDAY WL START A NICE STREAK WHEN IT COMES TO QUITE WX. HIGH
PRESSURE WL SLIDE INTO FA DURING THE DAY. TIME SECTIONS SHOWING LOW
CLOUDINESS BREAKING UP BY EARLY TO MID MORNING AS PLENTY OF DOWNWARD
MOTION MVS INTO CWA. CAA QUICKLY FOLLOWS AS HIGH PRESSURE SINKS
ACROSS FA. H85 WINDS COME OUT OF THE N/NE AT 20-25KT WITH TEMPS
FALLING TO AROUND -6C ACROSS NRN FA BY 18Z. LATE AFTERNOON SUN
SHOULD ALLOW TEMPS TO REMAIN IN THE UPPER 40S TO LOWER 50S EVEN WITH
FALLING H85 TEMPS. MOS GUIDANCE HAS A GOOD HANDLE ON OVRALL TEMPS.
WL USE BLEND.

TIME SECTIONS CONT TO INDICATE MOSTLY CLEAR SKIES ACROSS CTRL
INDIANA SAT NGT. THIS WL ALLOW FOR GOOD RADIATIONAL COOLING. TEMPS
ARE EXPECTED TO DROP DOWN INTO THE UPPER 20S TO LOWER 30S. CAA CONTS
BUT STARTS TO WEAKEN SOMEWHAT. MOS GUIDANCE CONTS TO LOOK
REASONABLE. WL USE BLEND.

RIDGE OF HIGH PRESSURE CONTS TO DOMINATE WX FOR START OF WEEK. TEMPS
ARE EXPECTED TO CLIMB BACK INTO THE 60S AND 70S BY EARLY TO MID
WEEK. NEXT CHANCE FOR PRECIP APPEARS TUE NGT INTO WED NGT.

&&

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

&&

SHORT TERM...JO
SATURDAY THROUGH MID WEEK...JB

Hazardous weather outlook, Apr 7, 1:00 PM EDT, 2 hours 20 minutes before

HAZARDOUS WEATHER OUTLOOK...CORRECTED
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
100 PM EDT FRI APR 7 2006

INZ021-028>031-035>049-051>057-060>065-067>072-081100-
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-
1250 PM CDT FRI APR 7 2006 /1150 AM EDT FRI APR 7 2006/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TODAY AND TONIGHT.

THUNDERSTORM ACTIVITY IS EXPECTED TO BEGIN AROUND OR SHORTLY AFTER 2
PM EDT ACROSS CENTRAL INDIANA. STORMS WILL BE SCATTERED
ACROSS ALL OF CENTRAL INDIANA THIS AFTERNOON.  SOME OF THESE STORMS
WILL BE SEVERE PRODUCING LARGE HAIL AND DAMAGING WINDS.  A MORE
ORGANIZED AREA OF STORMS WILL ALSO DEVELOP ALONG A COLD FRONT DRAPED
OVER NORTHERN INDIANA THIS AFTERNOON.  THE SQUALL LINE THAT DEVELOPS
WILL MOVE SOUTH THROUGH THE REGION THROUGH EARLY EVENING. THE MAIN
THREATS WILL BE DAMAGING STRAIGHT LINE WINDS AND LARGE HAIL. HOWEVER
THERE IS A SMALL CHANCE OF TORNADOES SOUTH OF A TERRE HAUTE TO
SHELBYVILLE LINE.

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

THUNDERSTORM ACTIVITY IS POSSIBLE TOWARDS THE MIDDLE OF NEXT WEEK.
AT THIS TIME...SEVERE STORMS ARE NOT EXPECTED.

IN ADDITION...LOWLAND RIVER FLOODING IS EXPECTED TO DEVELOP FROM
LATE THIS WEEKEND INTO EARLY NEXT WEEK ALONG PORTIONS OF THE
WHITE...EAST FORK OF THE WHITE...AND THE EEL RIVERS IN WEST
CENTRAL AND SOUTHWEST INDIANA.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THIS AFTERNOON AND EVENING BETWEEN
200 PM EDT...100 PM CDT TO AROUND 800 PM EDT...700 PM CDT.

&&

THIS PRODUCT IS NOW AVAILABLE IN GRAPHICAL FORMAT...ALONG WITH
OTHER WEATHER...HYDROLOGICAL AND CLIMATE INFORMATION...AT
HTTP://WEATHER.GOV/IND (ALL LOWERCASE)

JAS/OGREN

In the hours before

Local storm report, Apr 7, 2:19 PM EDT, 1 hour 1 minute before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
219 PM EDT FRI APR 07 2006

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

0215 PM     HAIL             1 NE INDIANAPOLIS       39.79N 86.13W
04/07/2006  E0.25 INCH       MARION             IN   TRAINED SPOTTER

&&

MSHARTRA

Local storm report, Apr 7, 2:24 PM EDT, 56 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
224 PM EDT FRI APR 07 2006

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

0220 PM     HAIL             CASTLETON               39.90N 86.05W
04/07/2006  E0.50 INCH       MARION             IN   LAW ENFORCEMENT

&&

MSHARTRA

Local storm report, Apr 7, 2:30 PM EDT, 50 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
230 PM EDT FRI APR 07 2006

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

0230 PM     HAIL             ROACHDALE               39.85N 86.80W
04/07/2006  E0.88 INCH       PUTNAM             IN   LAW ENFORCEMENT

&&

MSHARTRA

Local storm report, Apr 7, 2:39 PM EDT, 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
239 PM EDT FRI APR 07 2006

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

0237 PM     HAIL             SOUTHPORT               39.66N 86.12W
04/07/2006  E1.00 INCH       MARION             IN   TRAINED SPOTTER

&&

MSHARTRA

Local storm report, Apr 7, 2:44 PM EDT, 36 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
244 PM EDT FRI APR 07 2006

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

0240 PM     HAIL             3 SW ROACHDALE          39.82N 86.84W
04/07/2006  E0.50 INCH       PUTNAM             IN   PUBLIC

            TOWN OF FINCASTLE

&&

MSHARTRA

Local storm report, Apr 7, 3:14 PM EDT, 6 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
314 PM EDT FRI APR 07 2006

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

0300 PM     HAIL             CASTLETON               39.90N 86.05W
04/07/2006  E0.75 INCH       MARION             IN   AMATEUR RADIO

0257 PM     HAIL             CLERMONT                39.82N 86.32W
04/07/2006  E0.88 INCH       MARION             IN   AMATEUR RADIO

0255 PM     HAIL             BEECH GROVE             39.72N 86.09W
04/07/2006  E1.75 INCH       MARION             IN   PUBLIC

0255 PM     HAIL             3 E FISHERS             39.95N 85.97W
04/07/2006  E0.75 INCH       HAMILTON           IN   FIRE DEPT/RESCUE

0255 PM     HAIL             5 NE INDIANAPOLIS       39.83N 86.08W
04/07/2006  E0.88 INCH       MARION             IN   EMERGENCY MNGR

0308 PM     HAIL             THORNTOWN               40.13N 86.61W
04/07/2006  E0.88 INCH       BOONE              IN   LAW ENFORCEMENT

0300 PM     HAIL             INDIANAPOLIS            39.78N 86.15W
04/07/2006  E1.00 INCH       MARION             IN   LAW ENFORCEMENT

0300 PM     HAIL             GREENFIELD              39.79N 85.77W
04/07/2006  E0.75 INCH       HANCOCK            IN   TRAINED SPOTTER

0245 PM     HAIL             NORTH SALEM             39.86N 86.64W
04/07/2006  E0.75 INCH       HENDRICKS          IN   LAW ENFORCEMENT

0245 PM     HAIL             GREENFIELD              39.79N 85.77W
04/07/2006  E0.50 INCH       HANCOCK            IN   TRAINED SPOTTER

0245 PM     HAIL             5 NW GREENCASTLE        39.69N 86.91W
04/07/2006  E0.50 INCH       PUTNAM             IN   TRAINED SPOTTER

&&

MSHARTRA

The office that day

Everything else NWS Indianapolis, IN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 7, 2:15 PM EDT	Severe Thunderstorm Warning	IND	Parke, Putnam	35 min
Apr 7, 2:33 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton	42 min
Apr 7, 2:37 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Johnson, Marion, Shelby	38 min
Apr 7, 2:39 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks, Marion, Montgomery, Putnam	51 min
Apr 7, 2:55 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison, Marion	50 min
Apr 7, 2:56 PM EDT	Severe Thunderstorm Warning	IND	Henry, Randolph	49 min
Apr 7, 2:58 PM EDT	Severe Thunderstorm Warning	IND	Boone, Montgomery	32 min
Apr 7, 2:59 PM EDT	Severe Thunderstorm Warning	IND	Tipton	31 min
Apr 7, 3:10 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Hancock, Henry, Madison, Rush	40 min
Apr 7, 3:13 PM EDT	Severe Thunderstorm Warning	IND	Boone, Clinton	32 min
Apr 7, 3:21 PM EDT	Severe Thunderstorm Warning	IND	Greene, Monroe, Owen	39 min
Apr 7, 3:28 PM EDT	Severe Thunderstorm Warning	IND	Howard, Tipton	32 min
Apr 7, 3:42 PM EDT	Severe Thunderstorm Warning	IND	Howard, Tipton	33 min
Apr 7, 3:46 PM EDT	Severe Thunderstorm Warning	IND	Delaware	29 min
Apr 7, 3:46 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Hancock, Madison, Marion	24 min
Apr 7, 3:48 PM EDT	Tornado Warning	IND	Hamilton, Hancock, Madison	27 min
Apr 7, 3:54 PM EDT	Tornado Warning	IND	Brown, Monroe	42 min
Apr 7, 3:56 PM EDT	Tornado Warning	IND	Howard, Tipton	28 min
Apr 7, 4:03 PM EDT	Severe Thunderstorm Warning	IND	Randolph	12 min
Apr 7, 4:18 PM EDT	Severe Thunderstorm Warning	IND	Greene, Monroe	27 min
Apr 7, 4:19 PM EDT	Severe Thunderstorm Warning	IND	Delaware, Hamilton, Hancock, Henry, Madison, Marion	41 min
Apr 7, 4:21 PM EDT	Severe Thunderstorm Warning	IND	Carroll, Clinton, Howard	29 min
Apr 7, 4:33 PM EDT	Tornado Warning	IND	Bartholomew, Brown, Shelby	28 min
Apr 7, 4:34 PM EDT	Severe Thunderstorm Warning	IND	Howard, Tipton	41 min
Apr 7, 4:40 PM EDT	Severe Thunderstorm Warning	IND	Greene, Monroe, Owen	50 min
Apr 7, 4:43 PM EDT	Severe Thunderstorm Warning	IND	Clay, Owen, Sullivan, Vigo	47 min
Apr 7, 4:44 PM EDT	Severe Thunderstorm Warning	IND	Decatur	31 min
Apr 7, 4:44 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	35 min
Apr 7, 4:49 PM EDT	Severe Thunderstorm Warning	IND	Henry	16 min
Apr 7, 4:49 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Jennings	41 min
Apr 7, 4:52 PM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Johnson, Lawrence, Monroe	38 min
Apr 7, 4:53 PM EDT	Severe Thunderstorm Warning	IND	Tipton	37 min
Apr 7, 4:55 PM EDT	Severe Thunderstorm Warning	IND	Randolph	35 min
Apr 7, 4:56 PM EDT	Severe Thunderstorm Warning	IND	Knox	24 min
Apr 7, 4:59 PM EDT	Severe Thunderstorm Warning	IND	Decatur, Rush, Shelby	46 min
Apr 7, 5:00 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Shelby	45 min
Apr 7, 5:03 PM EDT	Severe Thunderstorm Warning	IND	Madison	27 min
Apr 7, 5:17 PM EDT	Tornado Warning	IND	Brown, Monroe, Morgan	28 min
Apr 7, 5:26 PM EDT	Severe Thunderstorm Warning	IND	Henry	30 min
Apr 7, 5:31 PM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Monroe, Owen	41 min
Apr 7, 5:35 PM EDT	Flash Flood Warning	IND	Decatur	3 hr
Apr 7, 5:39 PM EDT	Tornado Warning	IND	Decatur, Jennings	48 min
Apr 7, 5:43 PM EDT	Severe Thunderstorm Warning	IND	Jennings	14 min
Apr 7, 5:48 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Johnson, Marion, Shelby	41 min
Apr 7, 5:52 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Daviess, Jackson, Lawrence, Martin	38 min
Apr 7, 5:54 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Marion	40 min
Apr 7, 6:06 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Rush	39 min
Apr 7, 6:49 PM EDT	Severe Thunderstorm Warning	IND	Henry	17 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2006 Every severe thunderstorm warning in 2006

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.