Alert archive / Indiana / Tornado Warnings in 2011

Tornado Warning 22, NWS Indianapolis, IN

April 26, 2011Daviess County, Martin County, Indiana

NWS Indianapolis, IN issued this tornado warning at Apr 26, 2011, 3:31 AM EDT for Daviess County, Martin County, Indiana. It was in force for 29 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
Apr 26, 2011, 3:31 AM EDT (07:31 UTC)
Expired
Apr 26, 2011, 4:00 AM EDT
In force
29 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

Counties Daviess County, IN, Martin County, IN

The radar

The Evansville,IN radar (KVWX), 71 km from the middle of the area, began a volume at 07:34 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 00:00Z, 7.5 hours before the alert went out and 220 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 00:00Z on 2011-04-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 48 joules per kilogram.LCLEL10008507005003002001001 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 00:00Z on 2011-04-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 83 square meters per square second.1939587897Sfc1 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
48 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
36 kt
0-1 km storm-relative helicity
83 m²/s²
0-3 km storm-relative helicity
159 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

043 
WFUS53 KIND 260731
TORIND
INC027-101-260800-
/O.NEW.KIND.TO.W.0022.110426T0731Z-110426T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
331 AM EDT TUE APR 26 2011

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  EASTERN DAVIESS COUNTY IN SOUTHWEST INDIANA...
  NORTHERN MARTIN COUNTY IN SOUTHWEST INDIANA...

* UNTIL 400 AM EDT

* AT 330 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO. THIS DANGEROUS
  STORM WAS LOCATED 10 MILES SOUTHEAST OF WASHINGTON...OR 12 MILES
  EAST OF PETERSBURG...AND MOVING NORTHEAST AT 65 MPH.

* THIS DANGEROUS STORM WILL BE NEAR...
  CANNELBURG AND LOOGOOTEE AROUND 340 AM EDT...
  WEST BOGGS LAKE AROUND 345 AM EDT...
  BURNS CITY AND ODON AROUND 350 AM EDT...
  CRANE AROUND 355 AM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3851 8701 3850 8707 3853 8711 3852 8716
      3854 8718 3890 8704 3890 8670 3850 8697
      3850 8699
TIME...MOT...LOC 0731Z 205DEG 58KT 3856 8706

$$

KOCH
2 follow-up statements
617 
WWUS53 KIND 260744
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
344 AM EDT TUE APR 26 2011

INC027-101-260800-
/O.CON.KIND.TO.W.0022.000000T0000Z-110426T0800Z/
DAVIESS-MARTIN-
344 AM EDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN DAVIESS AND
NORTHERN MARTIN COUNTIES UNTIL 400 AM EDT...

AT 340 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 10 MILES WEST OF SHOALS...OR 21 MILES NORTHEAST OF
PETERSBURG...MOVING NORTHEAST AT 65 MPH.

THIS DANGEROUS STORM WILL BE NEAR...
  BURNS CITY AND ODON AROUND 350 AM EDT...
  CRANE AROUND 355 AM EDT...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3851 8701 3850 8707 3853 8711 3852 8716
      3854 8718 3890 8704 3890 8670 3850 8697
      3850 8699
TIME...MOT...LOC 0744Z 205DEG 58KT 3875 8694

$$

KOCH
958 
WWUS53 KIND 260753
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
353 AM EDT TUE APR 26 2011

INC027-101-260800-
/O.CON.KIND.TO.W.0022.000000T0000Z-110426T0800Z/
DAVIESS-MARTIN-
353 AM EDT TUE APR 26 2011

...A TORNADO WARNING REMAINS IN EFFECT FOR EASTERN DAVIESS AND
NORTHERN MARTIN COUNTIES UNTIL 400 AM EDT...

AT 348 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO.  THIS DANGEROUS
STORM WAS LOCATED 11 MILES NORTHWEST OF SHOALS...OR 22 MILES WEST OF
BEDFORD...MOVING NORTHEAST AT 65 MPH.

THIS DANGEROUS STORM WILL AFFECT MAINLY RURAL AREAS OF EASTERN
DAVIESS AND NORTHERN MARTIN COUNTIES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW. MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
STURDY BUILDING. AVOID WINDOWS. IF IN A MOBILE HOME...A VEHICLE OR
OUTDOORS...MOVE TO THE CLOSEST SUBSTANTIAL SHELTER AND PROTECT
YOURSELF FROM FLYING DEBRIS.

&&

LAT...LON 3851 8701 3850 8707 3853 8711 3852 8716
      3854 8718 3890 8704 3890 8670 3850 8697
      3850 8699
TIME...MOT...LOC 0753Z 205DEG 58KT 3888 8686

$$

KOCH

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 26, 12:31 AM EDTSpecial Weather StatementINDMontgomery, Parke44 min
Apr 26, 12:23 PM EDTRiver Flood WarningINDDelaware, Madison49 hr
Apr 26, 12:23 PM EDTRiver Flood WarningINDJackson, Jennings, Washington38 hr
Apr 26, 4:35 PM EDTRiver Flood WarningINDCarroll, Tippecanoe, White21 hr
Apr 26, 7:43 PM EDTSevere Thunderstorm WarningINDJackson, Lawrence30 min

Nearby

Tornado Warnings in Indiana, 2011Every tornado warning in 2011Tornadoes in 2011

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.