Alert archive / Indiana / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 77, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 22, 2011, 3:08 PM EDT for 8 counties in Indiana. It was in force for 35 min. 1 report 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
- Apr 22, 2011, 3:08 PM EDT (19:08 UTC)
- Expired
- Apr 22, 2011, 3:43 PM EDT
- In force
- 35 min
- Issued by
- NWS Indianapolis, IN
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Clay County, IN, Daviess County, IN, Greene County, IN, Knox County, IN, Lawrence County, IN, Martin County, IN, Monroe County, IN, Owen County, IN
The radar
The Evansville,IN radar (KVWX), 90 km from the middle of the area, began a volume at 19:10 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 |
|---|---|---|---|
| Apr 22, 3:40 PM EDT | HAIL 0.25 | 3 Se Odon, IN | ESTIMATED WIND OF 35 MPH. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 22, 2:31 PM EDT | Severe Thunderstorm Watch | SPC | 4 hr |
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 7.1 hours before the alert went out and 192 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 845 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- 585 m²/s²
- 0-3 km storm-relative helicity
- 683 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
792
WUUS53 KIND 221908
SVRIND
INC021-027-055-083-093-101-105-119-222000-
/O.NEW.KIND.SV.W.0077.110422T1908Z-110422T2000Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
308 PM EDT FRI APR 22 2011
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTH CENTRAL CLAY COUNTY IN WEST CENTRAL INDIANA...
DAVIESS COUNTY IN SOUTHWEST INDIANA...
GREENE COUNTY IN SOUTHWEST INDIANA...
NORTHEASTERN KNOX COUNTY IN SOUTHWEST INDIANA...
NORTHWESTERN LAWRENCE COUNTY IN SOUTH CENTRAL INDIANA...
MARTIN COUNTY IN SOUTHWEST INDIANA...
WESTERN MONROE COUNTY IN SOUTH CENTRAL INDIANA...
SOUTHERN OWEN COUNTY IN WEST CENTRAL INDIANA...
* UNTIL 400 PM EDT
* AT 304 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 14 MILES NORTH OF LINTON TO 5
MILES SOUTH OF LINTON TO 6 MILES EAST OF VINCENNES...AND MOVING
EAST AT 55 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
WORTHINGTON...NEWBERRY...ELNORA AND BLOOMFIELD AROUND 315 PM EDT...
FREEDOM...WASHINGTON AND ODON AROUND 320 PM EDT...
BURNS CITY...MONTGOMERY AND CRANE AROUND 325 PM EDT...
WEST BOGGS LAKE...SOLSBERRY...OWENSBURG AND CANNELBURG AROUND 330
PM EDT...
INDIAN SPRINGS AROUND 335 PM EDT...
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.
THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3858 8743 3890 8728 3891 8725 3929 8721
3928 8657 3898 8653 3859 8683
TIME...MOT...LOC 1908Z 269DEG 46KT 3925 8710 3896 8709
3865 8734
WIND...HAIL 60MPH 1.00IN
$$
RYAN2 follow-up statements
250
WWUS53 KIND 221923
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
323 PM EDT FRI APR 22 2011
INC021-083-221933-
/O.CAN.KIND.SV.W.0077.000000T0000Z-110422T2000Z/
CLAY-KNOX-
323 PM EDT FRI APR 22 2011
...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN KNOX AND SOUTH
CENTRAL CLAY COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE
WARNED AREA.
LAT...LON 3859 8726 3865 8725 3897 8708 3929 8705
3928 8657 3898 8653 3860 8683
TIME...MOT...LOC 1923Z 269DEG 46KT 3925 8685 3896 8684
3865 8710
$$
INC027-055-093-101-105-119-222000-
/O.CON.KIND.SV.W.0077.000000T0000Z-110422T2000Z/
DAVIESS-GREENE-LAWRENCE-MARTIN-MONROE-OWEN-
323 PM EDT FRI APR 22 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DAVIESS...
MARTIN...NORTHWESTERN LAWRENCE...GREENE...WESTERN MONROE AND SOUTHERN
OWEN COUNTIES UNTIL 400 PM EDT...
AT 322 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM 6 MILES SOUTHWEST OF SPENCER TO 6
MILES SOUTHEAST OF BLOOMFIELD TO WASHINGTON...MOVING EAST AT 55 MPH.
SEVERE THUNDERSTORMS WILL BE NEAR...
WEST BOGGS LAKE...SOLSBERRY...OWENSBURG AND CANNELBURG AROUND 330
PM EDT...
INDIAN SPRINGS...LOOGOOTEE AND ELLETTSVILLE AROUND 335 PM EDT...
WHITEHALL...SPRINGVILLE...SILVERVILLE AND HARRODSBURG AROUND 340 PM
EDT...
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.
THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3859 8726 3865 8725 3897 8708 3929 8705
3928 8657 3898 8653 3860 8683
TIME...MOT...LOC 1923Z 269DEG 46KT 3925 8685 3896 8684
3865 8710
WIND...HAIL 60MPH 1.00IN
$$
RYAN393
WWUS53 KIND 221943
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
343 PM EDT FRI APR 22 2011
INC027-055-093-101-105-119-221953-
/O.CAN.KIND.SV.W.0077.000000T0000Z-110422T2000Z/
DAVIESS-GREENE-LAWRENCE-MARTIN-MONROE-OWEN-
343 PM EDT FRI APR 22 2011
...THE SEVERE THUNDERSTORM WARNING FOR DAVIESS...MARTIN...
NORTHWESTERN LAWRENCE...GREENE...WESTERN MONROE AND SOUTHERN OWEN
COUNTIES IS CANCELLED...
THE LINE OF STORMS WHICH PROMPTED THE WARNING HAS WEAKENED AND IS
MOVING OUT OF THE WARNED AREA. HOWEVER HALF INCH HAIL AND GUSTY
WINDS TO 50 MPH ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.
IN ADDITION...STRONG THUNDERSTORMS MAY REDEVELOP LATER TODAY ...AND
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 7 PM EDT.
LAT...LON 3859 8726 3865 8725 3897 8708 3929 8705
3928 8657 3898 8653 3860 8683
TIME...MOT...LOC 1943Z 269DEG 46KT 3925 8652 3896 8651
3865 8677
$$
RYANThe office that day
Everything else NWS Indianapolis, IN issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 11:33 AM EDT | River Flood Warning | IND | Carroll, Tippecanoe, White | 10 hr |
| Apr 22, 2:28 PM EDT | Severe Thunderstorm Warning | IND | Clay, Daviess, Greene, Knox, Sullivan | 47 min |
Nearby
Severe Thunderstorm Warnings in Indiana, 2011Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.