Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 5, NWS Indianapolis, IN

January 17, 20124 counties in Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jan 17, 2012, 6:37 AM EST for 4 counties in Indiana. It was in force for 68 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
Jan 17, 2012, 6:37 AM EST (11:37 UTC)
Expired
Jan 17, 2012, 7:45 AM EST
In force
68 min
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Hail
1.0 in
Wind
60.0 mph

Counties Daviess County, IN, Greene County, IN, Knox County, IN, Sullivan County, IN

The radar

The Evansville,IN radar (KVWX), 60 km from the middle of the area, began a volume at 11:40 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, 11.6 hours before the alert went out and 182 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 2012-01-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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 00:00Z on 2012-01-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 431 square meters per square second.1939587897117Sfc1 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
2 J/kg
Mixed-layer CIN
-49 J/kg
Mixed-layer LCL
748 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
431 m²/s²
0-3 km storm-relative helicity
500 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.

178 
WUUS53 KIND 171137
SVRIND
INC027-055-083-153-171245-
/O.NEW.KIND.SV.W.0005.120117T1137Z-120117T1245Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
637 AM EST TUE JAN 17 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  DAVIESS COUNTY IN SOUTHWEST INDIANA...
  SOUTHWESTERN GREENE COUNTY IN SOUTHWEST INDIANA...
  NORTHERN KNOX COUNTY IN SOUTHWEST INDIANA...
  SOUTHEASTERN SULLIVAN COUNTY IN SOUTHWEST INDIANA...

* UNTIL 745 AM EST

* AT 635 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND   
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED NEAR   
  LAWRENCEVILLE...AND MOVING EAST AT 50 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VINCENNES...
  WASHINGTON...
  VINCENNES UNIVERSITY...
  OAKTOWN...
  BRUCEVILLE...
  MONROE CITY...
  BICKNELL...
  FREELANDVILLE...
  EDWARDSPORT...
  SANDBORN...
  PLAINVILLE...
  ELNORA...
  MONTGOMERY...
  CANNELBURG...
  NEWBERRY...
  ODON...

PRECAUTIONARY/PREPAREDNESS ACTIONS...

SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MILES PER
HOUR...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR
YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR
HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE
INTO AREAS WHERE WATER COVERS THE ROAD.

TORRENTIAL RAINFALL IS ALSO OCCURRING WITH THIS STORM...AND MAY LEAD
TO FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED
ROADWAYS.

&&

LAT...LON 3864 8763 3866 8761 3868 8754 3874 8751
      3877 8752 3878 8750 3881 8753 3885 8753
      3886 8756 3889 8755 3892 8752 3900 8696
      3863 8693 3860 8763
TIME...MOT...LOC 1136Z 265DEG 61KT 3871 8769
WIND...HAIL 60MPH 1.00IN

$$

SMF
1 follow-up statement
645 
WWUS53 KIND 171237
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
737 AM EST TUE JAN 17 2012

INC027-055-083-153-171247-
/O.EXP.KIND.SV.W.0005.000000T0000Z-120117T1245Z/
DAVIESS-GREENE-KNOX-SULLIVAN-
737 AM EST TUE JAN 17 2012

...THE SEVERE THUNDERSTORM WARNING FOR NORTHERN DAVIESS...
SOUTHWESTERN GREENE...NORTHERN KNOX AND SOUTHEASTERN SULLIVAN
COUNTIES WILL EXPIRE AT 745 AM EST/645 AM CST/...

THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED
AREA.

LAT...LON 3864 8763 3866 8761 3868 8754 3874 8751
      3877 8752 3878 8750 3881 8753 3885 8753
      3886 8756 3889 8755 3892 8752 3900 8696
      3863 8693 3860 8763
TIME...MOT...LOC 1237Z 265DEG 61KT 3887 8677

$$

PUMA

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 17, 3:53 AM ESTSpecial Weather StatementINDCarroll, Tippecanoe52 min
Jan 17, 4:41 AM ESTSpecial Weather StatementINDHoward34 min
Jan 17, 5:55 AM ESTSpecial Weather StatementINDGreene, Owen, Sullivan65 min
Jan 17, 6:10 AM ESTSevere Thunderstorm WarningINDHendricks, Johnson, Marion, Morgan35 min
Jan 17, 6:13 AM ESTSevere Thunderstorm WarningINDBartholomew, Brown, Greene, Lawrence, Monroe, Owen and 1 more62 min
Jan 17, 6:20 AM ESTSevere Thunderstorm WarningINDHamilton, Hancock, Marion25 min
Jan 17, 6:29 AM ESTSevere Thunderstorm WarningINDHancock, Henry, Madison31 min
Jan 17, 7:06 AM ESTTornado WarningINDDaviess, Knox24 min
Jan 17, 7:18 AM ESTSevere Thunderstorm WarningINDBartholomew, Brown, Decatur, Jackson, Jennings42 min
Jan 17, 7:21 AM ESTAreal Flood AdvisoryINDDecatur, Delaware, Hamilton, Hancock, Henry, Johnson and 6 more3 hr
Jan 17, 7:23 AM ESTAreal Flood AdvisoryINDBartholomew, Brown, Daviess, Decatur, Greene, Jackson and 5 more4 hr
Jan 17, 7:27 AM ESTTornado WarningINDDaviess, Greene, Lawrence, Martin48 min
Jan 17, 8:11 AM ESTTornado WarningINDJackson, Lawrence49 min
Jan 17, 8:39 AM ESTSevere Thunderstorm WarningINDJennings21 min
Jan 17, 8:42 AM ESTSevere Thunderstorm WarningINDDaviess, Knox48 min
Jan 17, 9:00 AM ESTSpecial Weather StatementINDJennings30 min
Jan 17, 9:11 AM ESTSevere Thunderstorm WarningINDMartin34 min
Jan 17, 9:24 AM ESTSevere Thunderstorm WarningINDLawrence36 min
Jan 17, 10:05 AM ESTRiver Flood WarningINDJackson, Lawrence, Washington4 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDParke, Vermillion, Vigo51 hr
Jan 17, 10:05 AM ESTRiver Flood WarningINDSullivan, Vigo19 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDKnox, Sullivan23 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDKnox, Sullivan23 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDGibson, Knox, Posey21 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Greene, Knox14 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Greene, Knox4 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Gibson, Knox, Pike16 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDDaviess, Gibson, Knox, Pike19 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDGibson, Knox20 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDFountain, Parke, Tippecanoe, Vermillion, Warren16 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDFountain, Parke, Vermillion, Warren16 days
Jan 17, 10:05 AM ESTRiver Flood WarningINDParke, Vermillion, Vigo18 days
Jan 17, 12:25 PM ESTAreal Flood AdvisoryINDBartholomew, Brown, Daviess, Decatur, Greene, Jackson and 7 more6 hr
Jan 17, 6:31 PM ESTAreal Flood AdvisoryINDBartholomew, Brown, Decatur, Jackson, Jennings, Rush and 1 more4 hr

Nearby

Severe Thunderstorm Warnings in Indiana, 2012Every severe thunderstorm warning in 2012

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.