Alert archive / Indiana / Severe Thunderstorm Warnings in 2012

Severe Thunderstorm Warning 11, NWS Indianapolis, IN

January 23, 2012Daviess County, Knox County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at Jan 23, 2012, 12:00 AM EST for Daviess County, Knox County, Indiana. It was in force for 30 min. 2 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: Jan 23, 2012, 12:00 AM EST (05:00 UTC)
Expired: Jan 23, 2012, 12:30 AM EST
In force: 30 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

Counties Daviess County, IN, Knox County, IN

The radar

The Evansville,IN radar (KVWX), 40 km from the middle of the area, began a volume at 05:03 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.

What was reported inside it

Time	Report	Where	Remark
Jan 23, 12:15 AM EST	TSTM WND GST 60	Decker, IN	WINDS OF 60 PLUS MPH REPORTED IN TOWN.
Jan 23, 12:17 AM EST	TSTM WND DMG	Wheatland, IN	TREE AND UTILITY LINE DOWN AT STATE ROAD 550 AND EVANS ROAD JUST OUTSIDE OF WHEATLAND. TIME ESTIMATED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 5.0 hours before the alert went out and 202 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 3 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 378 m above ground
0-6 km bulk shear: 54 kt
0-1 km storm-relative helicity: 494 m²/s²
0-3 km storm-relative helicity: 471 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.

912 
WUUS53 KIND 230500
SVRIND
INC027-083-230530-
/O.NEW.KIND.SV.W.0011.120123T0500Z-120123T0530Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1200 AM EST MON JAN 23 2012

THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WESTERN DAVIESS COUNTY IN SOUTHWEST INDIANA...
  KNOX COUNTY IN SOUTHWEST INDIANA...

* UNTIL 1230 AM EST

* AT 1157 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS
  OF 60 MPH.  THIS STORM WAS LOCATED 6 MILES NORTH OF PATOKA...OR 9
  MILES NORTH OF PRINCETON...AND MOVING NORTHEAST AT 70 MPH.

* LOCATIONS IMPACTED INCLUDE...
  VINCENNES...
  WASHINGTON...
  VINCENNES UNIVERSITY...
  MONROE CITY...
  BRUCEVILLE...
  WHEATLAND...
  BICKNELL...
  EDWARDSPORT...
  PLAINVILLE...

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.

INTENSE SQUALL LINES CAN OCCASIONALLY PRODUCE BRIEF TORNADOES IN
ADDITION TO WIDESPREAD SIGNIFICANT WIND DAMAGE. ALTHOUGH NOT
IMMEDIATELY LIKELY...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 3850 8769 3851 8765 3855 8767 3866 8760
      3868 8754 3870 8753 3891 8715 3856 8712
      3854 8717 3854 8725 3850 8730 3854 8735
      3851 8737 3854 8740 3853 8746 3849 8749
      3849 8757 3844 8760 3844 8764
TIME...MOT...LOC 0500Z 237DEG 61KT 3852 8754
WIND...HAIL 60MPH <.75IN

$$

RYAN

1 follow-up statement

596 
WWUS53 KIND 230514
SVSIND

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1214 AM EST MON JAN 23 2012

INC027-083-230530-
/O.CON.KIND.SV.W.0011.000000T0000Z-120123T0530Z/
DAVIESS-KNOX-
1214 AM EST MON JAN 23 2012

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR WESTERN
DAVIESS AND KNOX COUNTIES UNTIL 1230 AM EST...

AT 1212 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS IN EXCESS OF 
60 MPH. THIS STORM WAS LOCATED 7 MILES SOUTHEAST OF VINCENNES... 
MOVING NORTHEAST AT 70 MPH. WIND GUSTS OF 60 MPH HAVE BEEN REPORTED 
IN POSEY COUNTY SINCE 1145 PM. 

LOCATIONS IMPACTED INCLUDE...
  WASHINGTON...MONROE CITY...BRUCEVILLE...WHEATLAND...BICKNELL...
  EDWARDSPORT AND PLAINVILLE.

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.

INTENSE SQUALL LINES CAN OCCASIONALLY PRODUCE BRIEF TORNADOES IN
ADDITION TO WIDESPREAD SIGNIFICANT WIND DAMAGE. ALTHOUGH NOT
IMMEDIATELY LIKELY...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 3850 8769 3851 8765 3855 8767 3866 8760
      3868 8754 3870 8753 3891 8715 3856 8712
      3854 8717 3854 8725 3850 8730 3854 8735
      3851 8737 3854 8740 3853 8746 3849 8749
      3849 8757 3844 8760 3844 8764
TIME...MOT...LOC 0513Z 236DEG 59KT 3860 8741
WIND...HAIL 60MPH <.75IN

$$

RYAN

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 23, 12:27 AM EST	Severe Thunderstorm Warning	IND	Daviess, Greene, Knox, Martin, Sullivan	33 min
Jan 23, 12:31 AM EST	Severe Thunderstorm Warning	IND	Clay, Greene, Sullivan, Vigo	29 min
Jan 23, 12:50 AM EST	Special Weather Statement	IND	Owen	25 min
Jan 23, 12:58 AM EST	Special Weather Statement	IND	Greene, Lawrence, Martin, Monroe	32 min
Jan 23, 1:14 AM EST	Tornado Warning	IND	Putnam	8 min
Jan 23, 1:27 AM EST	Special Weather Statement	IND	Boone, Hendricks	33 min
Jan 23, 1:30 AM EST	Special Weather Statement	IND	Bartholomew, Brown, Jackson, Johnson, Morgan	45 min
Jan 23, 1:53 AM EST	Special Weather Statement	IND	Hamilton, Hancock, Madison, Marion	37 min
Jan 23, 2:02 AM EST	Special Weather Statement	IND	Bartholomew, Decatur, Jennings, Rush, Shelby	43 min
Jan 23, 2:24 AM EST	Special Weather Statement	IND	Delaware, Henry, Madison, Randolph	51 min
Jan 23, 10:46 AM EST	River Flood Warning	IND	Daviess, Greene, Knox	8 days
Jan 23, 10:46 AM EST	River Flood Warning	IND	Parke, Vermillion, Vigo	11 days

Nearby

Severe Thunderstorm Warnings in Indiana, 2012 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.