Alert archive / Indiana / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 12, NWS Indianapolis, IN

April 3, 20076 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 3, 2007, 4:08 PM EDT for 6 counties in Indiana. It was in force for 37 min. 1 report 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 3, 2007, 4:08 PM EDT (20:08 UTC)
Expired: Apr 3, 2007, 4:45 PM EDT
In force: 37 min
Issued by: NWS Indianapolis, IN
Area: Counties, with a storm outline in the text

Counties Bartholomew County, IN, Brown County, IN, Jackson County, IN, Johnson County, IN, Lawrence County, IN, Monroe County, IN

The radar

The Indianapolis radar (KIND), 61 km from the middle of the area, began a volume at 20:09 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	Remark
Apr 3, 4:30 PM EDT	TSTM WND DMG	12 Ne Bedford, IN	TREES AND POWERLINES DOWN

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 one storm report to this severe thunderstorm warning; the first came 22 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 3, 10:48 AM EDT	Severe Thunderstorm Watch	SPC	6 hr
Apr 3, 2:33 PM EDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.1 hours before the alert went out and 218 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: 32 J/kg
Mixed-layer CIN: -399 J/kg
Mixed-layer LCL: 1864 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 210 m²/s²
0-3 km storm-relative helicity: 221 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 032008
SVRIND
INC005-013-071-081-093-105-032100-
/O.NEW.KIND.SV.W.0012.070403T2008Z-070403T2100Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
408 PM EDT TUE APR 3 2007

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN BARTHOLOMEW COUNTY IN CENTRAL INDIANA...
  SOUTHERN JOHNSON COUNTY IN CENTRAL INDIANA...
  BROWN COUNTY IN SOUTH CENTRAL INDIANA...
  NORTHWESTERN JACKSON COUNTY IN SOUTH CENTRAL INDIANA...
  NORTHERN LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...
  SOUTHEASTERN MONROE COUNTY IN SOUTH CENTRAL INDIANA...
  THIS INCLUDES THE CITY OF BLOOMINGTON...

* UNTIL 500 PM EDT

* AT 405 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  BLOOMINGTON...AND MOVING EAST AT 40 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  NASHVILLE BY 425 PM EDT...
  PRINCES LAKES BY 435 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 3926 8646 3899 8670 3892 8673 3894 8616
      3944 8599 3937 8624

$$

PUMA

2 follow-up statements

000 
WWUS53 KIND 032023
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
423 PM EDT TUE APR 3 2007

INC005-013-071-081-093-105-032100-
/O.CON.KIND.SV.W.0012.000000T0000Z-070403T2100Z/
BARTHOLOMEW-BROWN-JACKSON-JOHNSON-LAWRENCE-MONROE-
423 PM EDT TUE APR 3 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR NORTHERN LAWRENCE...NORTHWESTERN JACKSON...SOUTHEASTERN MONROE...
BROWN...NORTHWESTERN BARTHOLOMEW AND SOUTHERN JOHNSON COUNTIES...

AT 422 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 17 MILES SOUTH OF NASHVILLE...OR ABOUT 12 MILES NORTHEAST OF
BEDFORD...MOVING EAST AT 35 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  NASHVILLE BY 430 PM EDT...
  PRINCES LAKES BY 435 PM EDT...

LAT...LON 3925 8639 3906 8647 3899 8672 3892 8674
      3894 8617 3944 8600 3937 8625

$$

PUMA

000 
WWUS53 KIND 032045
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
444 PM EDT TUE APR 3 2007

INC005-013-071-081-093-105-032054-
/O.CAN.KIND.SV.W.0012.000000T0000Z-070403T2100Z/
BARTHOLOMEW-BROWN-JACKSON-JOHNSON-LAWRENCE-MONROE-
444 PM EDT TUE APR 3 2007

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN LAWRENCE...
NORTHWESTERN JACKSON...SOUTHEASTERN MONROE...BROWN...NORTHWESTERN
BARTHOLOMEW AND SOUTHERN JOHNSON COUNTIES IS CANCELLED...

THE STORM IN THE ABOVE WARNED AREA HAS WEAKENED AND IS NO LONGER 
SEVERE.

LAT...LON 3925 8639 3906 8647 3899 8672 3892 8674
      3894 8617 3944 8600 3937 8625

$$

PUMA

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 3, 2:41 PM EDT, 1 hour 27 minutes earlier.

Area forecast discussion, Apr 3, 2:41 PM EDT, 1 hour 27 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
241 PM EDT TUE APR 3 2007

.DISCUSSION...

FORECAST FOCUS IS ON TSRA EARLY THEN ON COLD WEATHER INTO THE
WEEKEND.

AT 18Z COLD FRONT WAS ENTERING NW IL. MEANWHILE...LINE OF TSRA WAS
MOVING INTO WRN FORECAST AREA /FA/. AIRMASS AHEAD OF FRONT WAS
GROWING INCREASINGLY UNSTABLE WITH TEMPS NEAR 80 AND DEWPOINTS NEAR
60.

MODELS IN DECENT AGREEMENT. WILL USE A BLEND.

TSRA WILL GRADUALLY MOVE ACROSS FA THRU THIS AFTN INTO EARLY
EVENING. SINCE PRECIP EXTENDS BACK INTO MO AND COLD FRONT WILL BE IN
THE FA AT 00Z WILL GO HIGHER THAN MAV POPS SOME AREAS AND GO AT
LEAST LIKELY EVERYWHERE. WILL CONTINUE SEVERE WORDING TIL ABOUT 03Z
UNTIL FROPA. AFT MIDNIGHT MOISTURE WILL BE SWEPT TO THE EAST AS
COLDER DRIER AIR FLOWS IN. WILL GO DRY OVERNIGHT. STRONG COLD
ADVECTION APPARENT BEHIND FRONT SO BELIEVE TEMPS WILL GO A LITTLE
COOLER THAN MAV ACROSS NRN FA AND NEAR A MAV/MET BLEND ACROSS SRN
AREAS. WINDS WILL BE GUSTY BUT BELOW WIND ADVRY THRESHOLDS.

ON WED COLD ADVECTION WILL CONTINUE. EXPECT NRN FA TO BECOME MOSTLY
CLOUDY IN THIS PATTERN. LITTLE FORCING SO BELIEVE CHANCES FOR PRECIP
ARE BELOW MENTIONING FOR MUCH OF FA. WILL ONLY KEEP CHANCES FOR
PRECIP IN EXTREME NERN FA AND ONLY GO SLIGHT CHANCE. WITH CLOUDS AND
COLD ADVECTION...WILL LEAN TOWARD COOLER MOS NUMBERS.  GUSTY WINDS
WILL MAKE IT FEEL EVEN COLDER.

DRY AND COLD CONDITIONS WILL THEN CONTINUE THROUGH THE REMAINDER OF
THE WEEK. OVERNIGHT LOWS WILL BE WELL BELOW FREEZING. WITH ACTIVE
WEATHER NOW...WILL NOT ISSUE FREEZE WATCH OR WARNING THIS EARLY AS
IT WOULD MOST LIKELY BE OVERLOOKED. WILL CONTINUE TO HIT HARD IN HWO
AND INTERNET NEWS STORIES. LATER SHIFTS WILL PROBABLY ISSUE FREEZE
PRODUCTS.

NOT SURE ABOUT PRECIP CHANCES ON SATURDAY AS ANOTHER SURGE OF COLD
AIR ARRIVES. DECIDED NOT TO FLIP FLOP AND LEFT IT IN FOR NOW.

&&

.AVIATION...MVFR CONDITIONS EXPECTED TO BE PRESENT THROUGH MUCH OF
THIS TAF PERIOD AS CD FRONT WL PUSH ACRS THE TAF SITES DURG THE
FIRST 8 HRS OF THE TAF. MVFR CIGS AND VISBYS WL ACCOMPANY THE STORMS
AS THEY DEVELOP ALONG AND AHEAD OF THE CD FRONT. SOME OF THE
STRONG STORMS COULD PRODUCE BRIEF ISOLATED IFR CONDITIONS.

STRONG CAA BEHIND THE FRONT ALONG WITH CYCLONIC SFC FLOW WL SHUD
RESULT IN PLENTY OF MVFR CIGS IN THE WAKE OF THE FRONT.

&&

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

&&

AVIATION...JP
PUBLIC...CS

Hazardous weather outlook, Apr 3, 3:20 PM EDT, 48 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
320 PM EDT TUE APR 3 2007

INZ021-030-031-036>042-045>049-052>057-062>065-069>072-040945-
CARROLL-CLINTON-HOWARD-MONTGOMERY-BOONE-TIPTON-HAMILTON-MADISON-
DELAWARE-RANDOLPH-PUTNAM-HENDRICKS-MARION-HANCOCK-HENRY-CLAY-OWEN-
MORGAN-JOHNSON-SHELBY-RUSH-MONROE-BROWN-BARTHOLOMEW-DECATUR-
MARTIN-LAWRENCE-JACKSON-JENNINGS-
320 PM EDT TUE APR 3 2007 /220 PM CDT TUE APR 3 2007/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.
THUNDERSTORMS WILL CONTINUE TO MOVE ACROSS CENTRAL INDIANA THIS
AFTERNOON INTO EARLY EVENING.

THE MAIN THREAT FROM THESE STORMS WILL BE DAMAGING WIND AND
LARGE HAIL. VERY HEAVY RAIN AND FREQUENT LIGHTNING WILL ALSO BE A
THREAT WITH THESE STORMS.

STAY TUNED TO NOAA ALL HAZARDS RADIO...OUR WEB SITE OR YOUR
FAVORITE MEDIA OUTLET FOR FURTHER INFORMATION AND UPDATES ON THIS
SEVERE WEATHER SITUATION.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

BELOW FREEZING TEMPERATURES ARE EXPECTED FROM WEDNESDAY NIGHT INTO
THE WEEKEND.

A VERY COLD ARCTIC AIRMASS WILL DESCEND UPON CENTRAL INDIANA ON
WEDNESDAY. OVERNIGHT LOWS EACH NIGHT FROM WEDNESDAY NIGHT THROUGH
SATURDAY NIGHT WILL BE IN THE LOWER AND MID 20S. THESE
TEMPERATURES WILL LIKELY HARM TENDER VEGETATION THAT HAS ARRIVED
EARLY DUE TO THE EXTENDED WARM SPELL. FREEZE WATCHES OR WARNINGS
WILL LIKELY BE ISSUED OVER THE COMING DAYS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS REQUESTED THIS AFTERNOON INTO THIS EVENING.

&&

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

INZ028-029-035-043-044-051-060-061-067-068-040945-
WARREN-TIPPECANOE-FOUNTAIN-VERMILLION-PARKE-VIGO-SULLIVAN-GREENE-
KNOX-DAVIESS-
536 AM EDT TUE APR 3 2007 /436 AM CDT TUE APR 3 2007/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR FAR WESTERN SECTIONS OF
CENTRAL INDIANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

SHOWERS AND THUNDERSTORMS WILL CONTINUE INTO THIS EVENING. SEVERE
STORMS ARE POSSIBLE...MAINLY TO THE SOUTH OF THE TERRE HAUTE
AREA.

THE MAIN THREAT FROM THE STORMS WILL BE DAMAGING WIND AND LARGE
HAIL. VERY HEAVY RAIN AND FREQUENT LIGHTNING WILL ALSO BE A THREAT
WITH THESE STORMS.

STAY TUNED TO NOAA ALL HAZARDS RADIO...OUR WEB SITE OR YOUR
FAVORITE MEDIA OUTLET FOR FURTHER INFORMATION AND UPDATES ON THIS
DEVELOPING SEVERE WEATHER SITUATION.

LOWLAND FLOODING CONTINUES ALONG WABASH RIVER IN WESTERN INDIANA AND
ALONG THE WHITE RIVER IN SOUTHWEST INDIANA. RAIN TODAY MAY SLOW
THE FALL OF THE WHITE AND WABASH RIVERS AND COULD PROLONG CURRENT
HIGH WATER.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY.

BELOW FREEZING TEMPERATURES ARE EXPECTED FROM WEDNESDAY NIGHT INTO
THE WEEKEND.

A VERY COLD ARCTIC AIRMASS WILL DESCEND UPON CENTRAL INDIANA ON
WEDNESDAY. OVERNIGHT LOWS EACH NIGHT FROM WEDNESDAY NIGHT THROUGH
SATURDAY NIGHT WILL BE IN THE LOWER AND MID 20S. THESE
TEMPERATURES WILL LIKELY HARM TENDER VEGETATION THAT HAS ARRIVED
EARLY DUE TO THE EXTENDED WARM SPELL. FREEZE WATCHES OR WARNINGS
WILL LIKELY BE ISSUED OVER THE COMING DAYS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUESTED THIS AFTERNOON INTO THIS EVENING.

&&

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, Apr 3, 3:30 PM EDT, 38 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
330 PM EDT TUE APR 03 2007

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

0320 PM     HAIL             BLOOMINGTON             39.17N 86.52W
04/03/2007  E0.75 INCH       MONROE             IN   TRAINED SPOTTER

&&

ETERRELL

Local storm report, Apr 3, 3:33 PM EDT, 35 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
333 PM EDT TUE APR 03 2007

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

0325 PM     HAIL             8 SW SPENCER            39.21N 86.87W
04/03/2007  E0.75 INCH       OWEN               IN   LAW ENFORCEMENT

&&

ETERRELL

Local storm report, Apr 3, 3:34 PM EDT, 34 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
334 PM EDT TUE APR 03 2007

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

0328 PM     HAIL             WORTHINGTON             39.12N 86.98W
04/03/2007  E0.25 INCH       GREENE             IN   LAW ENFORCEMENT

&&

ETERRELL

Local storm report, Apr 3, 3:37 PM EDT, 31 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
337 PM EDT TUE APR 03 2007

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

0324 PM     TSTM WND DMG     PARAGON                 39.39N 86.56W
04/03/2007                   MORGAN             IN   LAW ENFORCEMENT

            ROOF OFF BUILDING

&&

ETERRELL

Local storm report, Apr 3, 3:38 PM EDT, 30 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
338 PM EDT TUE APR 03 2007

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

0334 PM     HAIL             4 W ELLETTSVILLE        39.23N 86.70W
04/03/2007  E0.75 INCH       MONROE             IN   AMATEUR RADIO

&&

ETERRELL

Local storm report, Apr 3, 3:40 PM EDT, 28 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
340 PM EDT TUE APR 03 2007

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

0335 PM     HAIL             INDIANAPOLIS            39.78N 86.15W
04/03/2007  E0.75 INCH       MARION             IN   ASOS

&&

ETERRELL

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 3, 12:10 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Parke, Vermillion	35 min
Apr 3, 1:42 PM EDT	Severe Thunderstorm Warning	IND	Boone, Hendricks, Montgomery, Putnam	33 min
Apr 3, 2:15 PM EDT	Severe Thunderstorm Warning	IND	Clay, Parke, Putnam, Vermillion, Vigo	30 min
Apr 3, 2:30 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Marion	45 min
Apr 3, 2:37 PM EDT	Severe Thunderstorm Warning	IND	Clay, Greene, Owen, Sullivan, Vigo	38 min
Apr 3, 2:41 PM EDT	Severe Thunderstorm Warning	IND	Clay, Hendricks, Morgan, Owen, Parke, Putnam	49 min
Apr 3, 3:11 PM EDT	Severe Thunderstorm Warning	IND	Greene, Owen	19 min
Apr 3, 3:12 PM EDT	Severe Thunderstorm Warning	IND	Hendricks, Johnson, Marion, Morgan	63 min
Apr 3, 3:27 PM EDT	Severe Thunderstorm Warning	IND	Brown, Greene, Monroe, Morgan, Owen	48 min
Apr 3, 3:54 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Greene, Jackson, Lawrence, Martin	51 min
Apr 3, 4:05 PM EDT	Flash Flood Warning	IND	Monroe	115 min
Apr 3, 4:10 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	36 min
Apr 3, 4:44 PM EDT	Severe Thunderstorm Warning	IND	Jackson, Lawrence	28 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2007 Every severe thunderstorm warning in 2007

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.