Alert archive / Indiana / Tornado Warnings in 2010

Tornado Warning 9, NWS Indianapolis, IN

May 21, 2010Warren County, Indiana

NWS Indianapolis, IN issued this tornado warning at May 21, 2010, 4:12 PM EDT for Warren County, Indiana. It was in force for 33 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 21, 2010, 4:12 PM EDT (20:12 UTC)
Expired
May 21, 2010, 4:45 PM EDT
In force
33 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon

County Warren County, IN

The radar

The Indianapolis radar (KIND), 110 km from the middle of the area, began a volume at 20:16 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
May 21, 1:33 PM EDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

Lincoln, IL (KILX), launched 12:00Z, 8.2 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 2010-05-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 216 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, Lincoln, IL at 12:00Z on 2010-05-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 66 square meters per square second.1939Sfc1 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
216 J/kg
Mixed-layer CIN
-42 J/kg
Mixed-layer LCL
586 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
66 m²/s²
0-3 km storm-relative helicity
13 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

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

118 
WFUS53 KIND 212012
TORIND
INC171-212045-
/O.NEW.KIND.TO.W.0009.100521T2012Z-100521T2045Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
412 PM EDT FRI MAY 21 2010

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* TORNADO WARNING FOR...
  WARREN COUNTY IN WEST CENTRAL INDIANA...

* UNTIL 445 PM EDT

* AT 406 PM EDT...THE PUBLIC REPORTED A TORNADO NEAR WILLIAMSPORT...
  OR 16 MILES NORTHEAST OF DANVILLE. DOPPLER RADAR SHOWED THIS
  TORNADO MOVING NORTHEAST AT 25 MPH.

* THE TORNADO WILL BE NEAR...
  PINE VILLAGE AROUND 440 PM 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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 4030 8747 4049 8722 4039 8712 4037 8712
      4035 8716 4036 8717 4033 8724 4030 8727
      4024 8740
TIME...MOT...LOC 2011Z 236DEG 18KT 4029 8734

$$

SMF
2 follow-up statements
897 
WWUS53 KIND 212026
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
426 PM EDT FRI MAY 21 2010

INC171-212045-
/O.CON.KIND.TO.W.0009.000000T0000Z-100521T2045Z/
WARREN-
426 PM EDT FRI MAY 21 2010

...A TORNADO WARNING REMAINS IN EFFECT FOR NORTHEASTERN WARREN COUNTY
UNTIL 445 PM EDT...

AT 420 PM EDT...THE PUBLIC REPORTED A TORNADO.  THIS TORNADO WAS
LOCATED NEAR WILLIAMSPORT...OR 20 MILES SOUTH OF FOWLER...MOVING
NORTHEAST AT 30 MPH.

THE TORNADO WILL BE NEAR...
  PINE VILLAGE AROUND 440 PM 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.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

&&

LAT...LON 4039 8712 4037 8712 4035 8715 4036 8717
      4033 8724 4030 8727 4028 8736 4033 8743
      4049 8723 4048 8721
TIME...MOT...LOC 2026Z 222DEG 25KT 4036 8728

$$

SMF
995 
WWUS53 KIND 212042
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
442 PM EDT FRI MAY 21 2010

INC171-212052-
/O.EXP.KIND.TO.W.0009.000000T0000Z-100521T2045Z/
WARREN-
442 PM EDT FRI MAY 21 2010

...THE TORNADO WARNING FOR NORTHEASTERN WARREN COUNTY WILL EXPIRE AT
445 PM EDT/345 PM CDT/...

THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED ACROSS THE WARNED 
AREA.

TO REPORT SEVERE WEATHER...CONTACT YOUR NEAREST LAW ENFORCEMENT
AGENCY. THEY WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE
IN INDIANAPOLIS.

LAT...LON 4039 8712 4037 8712 4035 8715 4036 8717
      4033 8724 4030 8727 4028 8736 4033 8743
      4049 8723 4048 8721
TIME...MOT...LOC 2042Z 222DEG 25KT 4044 8718

$$

PUMA

The office that day

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

IssuedProductOfficeCountiesLasted
May 21, 11:23 AM EDTRiver Flood WarningINDDaviess, Gibson, Knox, Pike27 hr
May 21, 11:23 AM EDTRiver Flood WarningINDFountain, Parke, Tippecanoe, Vermillion, Warren5 days
May 21, 11:23 AM EDTRiver Flood WarningINDFountain, Parke, Vermillion, Warren6 days
May 21, 11:23 AM EDTRiver Flood WarningINDParke, Vermillion, Vigo7 days
May 21, 11:23 AM EDTRiver Flood WarningINDSullivan, Vigo7 days
May 21, 11:23 AM EDTRiver Flood WarningINDKnox, Sullivan10 days
May 21, 11:23 AM EDTRiver Flood WarningINDKnox, Sullivan9 days
May 21, 12:28 PM EDTSpecial Weather StatementINDHendricks, Putnam47 min
May 21, 2:17 PM EDTSevere Thunderstorm WarningINDParke, Vermillion, Vigo58 min
May 21, 3:08 PM EDTSevere Thunderstorm WarningINDGreene, Knox, Sullivan52 min
May 21, 3:11 PM EDTTornado WarningINDParke, Vigo25 min
May 21, 3:39 PM EDTSevere Thunderstorm WarningINDDaviess, Knox51 min
May 21, 3:58 PM EDTTornado WarningINDDaviess, Knox32 min
May 21, 4:17 PM EDTSpecial Weather StatementINDClay, Putnam43 min
May 21, 4:23 PM EDTSevere Thunderstorm WarningINDClay, Putnam52 min
May 21, 4:26 PM EDTTornado WarningINDDaviess, Martin49 min
May 21, 4:39 PM EDTSpecial Weather StatementINDFountain, Tippecanoe, Warren51 min
May 21, 4:44 PM EDTFlash Flood WarningINDDaviess3 hr
May 21, 5:00 PM EDTAreal Flood AdvisoryINDFountain, Vermillion, Warren3 hr
May 21, 5:12 PM EDTSevere Thunderstorm WarningINDDaviess, Martin18 min
May 21, 5:14 PM EDTSpecial Weather StatementINDPutnam46 min
May 21, 5:37 PM EDTFlash Flood WarningINDMartin3 hr
May 21, 7:29 PM EDTAreal Flood WarningINDDaviess4 hr

Nearby

Tornado Warnings in Indiana, 2010Every tornado warning in 2010Tornadoes in 2010

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.