Alert archive / Indiana / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 76, NWS Indianapolis, IN
NWS Indianapolis, IN issued this severe thunderstorm warning at Apr 22, 2011, 2:28 PM EDT for 5 counties in Indiana. It was in force for 47 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 22, 2011, 2:28 PM EDT (18:28 UTC)
- Expired
- Apr 22, 2011, 3:15 PM EDT
- In force
- 47 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, Sullivan County, IN
The radar
The Evansville,IN radar (KVWX), 89 km from the middle of the area, began a volume at 18:28 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 12:00Z, 6.5 hours before the alert went out and 161 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.
622
WUUS53 KIND 221828
SVRIND
INC021-027-055-083-153-221915-
/O.NEW.KIND.SV.W.0076.110422T1828Z-110422T1915Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
228 PM EDT FRI APR 22 2011
THE NATIONAL WEATHER SERVICE IN INDIANAPOLIS HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
SOUTHWESTERN CLAY COUNTY IN WEST CENTRAL INDIANA...
DAVIESS COUNTY IN SOUTHWEST INDIANA...
WESTERN GREENE COUNTY IN SOUTHWEST INDIANA...
KNOX COUNTY IN SOUTHWEST INDIANA...
SULLIVAN COUNTY IN SOUTHWEST INDIANA...
* UNTIL 315 PM EDT/215 PM CDT/
* AT 222 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 9 MILES SOUTHWEST OF
MARTINSVILLE TO HARDINVILLE TO 11 MILES WEST OF SUMNER...AND MOVING
EAST AT 55 MPH.
* SEVERE THUNDERSTORMS WILL BE NEAR...
TURTLE CREEK RESERVOIR...GRAYSVILLE AND MEROM AROUND 240 PM EDT...
PAXTON AND FAIRBANKS AROUND 245 PM EDT...
SULLIVAN...SHELBURN...OAKTOWN AND CARLISLE AROUND 250 PM EDT...
VINCENNES UNIVERSITY...VINCENNES...HYMERA AND FARMERSBURG AROUND
255 PM EDT...
VICKSBURG AND PLEASANTVILLE AROUND 300 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.
&&
LAT...LON 3917 8766 3921 8759 3925 8758 3926 8710
3923 8706 3917 8706 3917 8697 3907 8685
3856 8715 3856 8765 3874 8751 3879 8751
3886 8756 3896 8754 3899 8759 3906 8759
3911 8767 3914 8767
TIME...MOT...LOC 1828Z 263DEG 48KT 3923 8784 3899 8772
3871 8796
WIND...HAIL 60MPH 1.00IN
$$
RYAN1 follow-up statement
542
WWUS53 KIND 221844
SVSIND
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
244 PM EDT FRI APR 22 2011
INC021-027-055-083-153-221915-
/O.CON.KIND.SV.W.0076.000000T0000Z-110422T1915Z/
CLAY-DAVIESS-GREENE-KNOX-SULLIVAN-
244 PM EDT FRI APR 22 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR DAVIESS...
KNOX...WESTERN GREENE...SULLIVAN AND SOUTHWESTERN CLAY COUNTIES UNTIL
315 PM EDT/215 PM CDT/...
AT 241 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING QUARTER SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THESE STORMS WERE
LOCATED ALONG A LINE EXTENDING FROM WEST UNION TO 6 MILES EAST OF
PALESTINE TO BRIDGEPORT...MOVING EAST AT 55 MPH.
ONE INCH HAIL AND 60 MPH WINDS HAVE BEEN REPORTED WITH THIS LINE OF
STORMS IN LAWRENCE COUNTY ILLINOIS.
SEVERE THUNDERSTORMS WILL BE NEAR...
PAXTON...SULLIVAN...SHELBURN AND OAKTOWN AROUND 250 PM EDT...
VINCENNES UNIVERSITY...VINCENNES...HYMERA AND FARMERSBURG AROUND
255 PM EDT...
VICKSBURG...PLEASANTVILLE...FREELANDVILLE AND COALMONT AROUND 300
PM EDT...
WHEATLAND...SANDBORN AND MONROE CITY AROUND 305 PM EDT...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THESE STORMS HAVE A HISTORY OF PRODUCING LARGE HAIL. SEEK SHELTER NOW
INSIDE A STURDY STRUCTURE AND STAY AWAY FROM WINDOWS.
&&
LAT...LON 3917 8766 3921 8759 3925 8758 3926 8710
3923 8706 3917 8706 3917 8697 3907 8685
3856 8715 3856 8765 3874 8751 3879 8751
3886 8756 3896 8754 3899 8759 3906 8759
3911 8767 3914 8767
TIME...MOT...LOC 1843Z 263DEG 48KT 3925 8758 3901 8746
3873 8771
WIND...HAIL 60MPH 1.00IN
$$
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, 3:08 PM EDT | Severe Thunderstorm Warning | IND | Clay, Daviess, Greene, Knox, Lawrence, Martin and 2 more | 35 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.