Alert archive / Indiana / Severe Thunderstorm Warnings in 2007

Severe Thunderstorm Warning 49, NWS Indianapolis, IN

July 19, 2007Jennings County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jul 19, 2007, 2:21 PM EDT for Jennings 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 outline as issued.

The facts

Issued
Jul 19, 2007, 2:21 PM EDT (18:21 UTC)
Expired
Jul 19, 2007, 2:45 PM EDT
In force
24 min
Issued by
NWS Indianapolis, IN
Area
Counties, with a storm outline in the text

County Jennings County, IN

The radar

The Indianapolis radar (KIND), 98 km from the middle of the area, began a volume at 18:23 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 watch it was issued in

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

IssuedProductOfficeLasted
Jul 19, 1:07 PM EDTSevere Thunderstorm WatchSPC8 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 6.4 hours before the alert went out and 160 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-pSkew-T log-p diagram, Cncnati-Daytn, OH at 12:00Z on 2007-07-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1294 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cncnati-Daytn, OH at 12:00Z on 2007-07-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 157 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
1294 J/kg
Mixed-layer CIN
-32 J/kg
Mixed-layer LCL
757 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
157 m²/s²
0-3 km storm-relative helicity
165 m²/s²
Significant tornado parameter
0.8
Supercell composite
6.2

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KIND 191821
SVRIND
INC079-191845-
/O.NEW.KIND.SV.W.0049.070719T1821Z-070719T1845Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
221 PM EDT THU JUL 19 2007

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL JENNINGS COUNTY IN SOUTHEAST INDIANA...

* UNTIL 245 PM EDT

* AT 219 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR
  NORTH VERNON...OR ABOUT 12 MILES NORTHEAST OF SEYMOUR...AND MOVING
  EAST AT 30 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  VERNON BY 230 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 3912 8546 3892 8547 3892 8556 3887 8560
      3902 8579 3909 8573
TIME...MOT...LOC 1821Z 288DEG 27KT 3904 8568

$$

KOCH
2 follow-up statements
000 
WWUS53 KIND 191830
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
230 PM EDT THU JUL 19 2007

INC079-191845-
/O.CON.KIND.SV.W.0049.000000T0000Z-070719T1845Z/
JENNINGS-
230 PM EDT THU JUL 19 2007

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245 PM EDT
FOR CENTRAL JENNINGS COUNTY...

AT 227 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS
LOCATED NEAR NORTH VERNON...OR ABOUT 15 MILES EAST OF SEYMOUR...
MOVING EAST AT 30 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL EASTERN JENNINGS COUNTY AT 240 PM EDT

LAT...LON 3912 8546 3892 8547 3892 8556 3887 8560
      3902 8579 3909 8573
TIME...MOT...LOC 1830Z 288DEG 27KT 3901 8558

$$

KOCH
000 
WWUS53 KIND 191845
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
245 PM EDT THU JUL 19 2007

INC079-191855-
/O.EXP.KIND.SV.W.0049.000000T0000Z-070719T1845Z/
JENNINGS-
245 PM EDT THU JUL 19 2007

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL JENNINGS COUNTY
EXPIRES AT 245 PM EDT...

LAT...LON 3912 8546 3892 8547 3892 8556 3887 8560
      3902 8579 3909 8573
TIME...MOT...LOC 1845Z 288DEG 27KT 3897 8544

$$

KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 19, 12:56 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur, Johnson, Shelby49 min
Jul 19, 3:16 PM EDTSevere Thunderstorm WarningINDBartholomew, Decatur, Jennings44 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2007Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.