Alert archive / Indiana / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 21, NWS Indianapolis, IN

May 30, 2008Warren County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 30, 2008, 5:34 PM EDT for Warren County, Indiana. It was in force for 41 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
May 30, 2008, 5:34 PM EDT (21:34 UTC)
Expired
May 30, 2008, 6:15 PM EDT
In force
41 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

County Warren County, IN

The watch it was issued in

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

IssuedProductOfficeLasted
May 30, 2:56 PM EDTTornado WatchSPC8 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 9.6 hours before the alert went out and 115 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, Lincoln, IL at 12:00Z on 2008-05-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 57 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2008-05-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 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
57 J/kg
Mixed-layer CIN
-325 J/kg
Mixed-layer LCL
1164 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
106 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 302134
SVRIND
INC171-302215-
/O.NEW.KIND.SV.W.0021.080530T2134Z-080530T2215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
534 PM EDT FRI MAY 30 2008

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHERN WARREN COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 615 PM EDT/515 PM CDT/

* AT 532 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 OVER
  EXTREME NORTHEASTERN VERMILION COUNTY...OR 15 MILES SOUTHWEST OF
  FOWLER...AND MOVING EAST AT 47 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  PINE VILLAGE BY 550 PM EDT...

A TORNADO WATCH REMAINS IN EFFECT FOR THE WARNED AREA. IF A TORNADO
IS SPOTTED...ACT QUICKLY AND MOVE TO A PLACE OF SAFETY IN A STURDY
STRUCTURE...SUCH AS A BASEMENT OR SMALL INTERIOR ROOM.

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 4049 8753 4049 8728 4048 8727 4049 8716
      4048 8710 4039 8710 4038 8710 4037 8713
      4039 8754 4048 8754
TIME...MOT...LOC 2134Z 271DEG 40KT 4048 8752

$$
2 follow-up statements
000 
WWUS53 KIND 302152
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
552 PM EDT FRI MAY 30 2008

INC171-302215-
/O.CON.KIND.SV.W.0021.000000T0000Z-080530T2215Z/
WARREN-
552 PM EDT FRI MAY 30 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT 
FOR NORTHERN WARREN COUNTY...

AT 550 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 PINE VILLAGE...OR 10 MILES SOUTH OF FOWLER...MOVING EAST
AT 45 MPH.

LAT...LON 4049 8753 4049 8728 4048 8727 4049 8716
      4048 8710 4039 8710 4038 8710 4037 8713
      4039 8754 4048 8754
TIME...MOT...LOC 2152Z 271DEG 40KT 4048 8726

$$
000 
WWUS53 KIND 302213
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
613 PM EDT FRI MAY 30 2008

INC171-302223-
/O.EXP.KIND.SV.W.0021.000000T0000Z-080530T2215Z/
WARREN-
613 PM EDT FRI MAY 30 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN WARREN COUNTY WILL 
EXPIRE AT 615 PM EDT...

LAT...LON 4049 8753 4049 8728 4048 8727 4049 8716
      4048 8710 4039 8710 4038 8710 4037 8713
      4039 8754 4048 8754
TIME...MOT...LOC 2213Z 271DEG 40KT 4048 8695

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 30, 6:17 PM EDTSevere Thunderstorm WarningINDTippecanoe28 min
May 30, 6:45 PM EDTTornado WarningINDTippecanoe45 min
May 30, 7:30 PM EDTTornado WarningINDCarroll45 min
May 30, 7:32 PM EDTSevere Thunderstorm WarningINDClinton, Tippecanoe28 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2008Every severe thunderstorm warning in 2008

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.