Alert archive / Indiana / Severe Thunderstorm Warnings in 2018

Severe Thunderstorm Warning 29, NWS Indianapolis, IN

May 31, 2018Henry County, Rush County, Indiana

NWS Indianapolis, IN issued this severe thunderstorm warning at May 31, 2018, 3:46 PM EDT for Henry County, Rush County, Indiana. It was in force for 44 min. 4 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: May 31, 2018, 3:46 PM EDT (19:46 UTC)
Expired: May 31, 2018, 4:30 PM EDT
In force: 44 min
Issued by: NWS Indianapolis, IN
Area: Storm-based polygon
Hail: 1.0 in
Wind: 60.0 mph

Counties Henry County, IN, Rush County, IN

The radar

The Indianapolis radar (KIND), 80 km from the middle of the area, began a volume at 19:50 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
May 31, 3:56 PM EDT	TSTM WND DMG	3 Ssw New Castle, IN	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM 3 SSW NEW CASTLE. SEVERAL LARGE LIVE TREE LIMBS 2-3 IN DIAMETER AND 3-4 FEET LONG WERE BLOWN DOWN NEAR SR 3 AND CR 300 S. TIME ESTIMATED FROM RADAR.
May 31, 3:56 PM EDT	TSTM WND DMG	3 Ssw New Castle, IN	SEVERAL LARGE LIVE TREE LIMBS WERE BLOWN DOWN NEAR SR 3 AND CR 300 S. TIME ESTIMATED FROM RADAR.
May 31, 3:59 PM EDT	TSTM WND DMG	1 N Lewisville, IN	DEAD TREE ACROSS SR 103. TIME ESTIMATED FROM RADAR.
May 31, 3:59 PM EDT	TSTM WND GST 50	2 Nw Straughn, IN	DELAYED REPORT.

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

Did it verify

Verified. The Iowa Environmental Mesonet's Cow matched 3 storm reports to this severe thunderstorm warning; the first came 10 minutes after it went out.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 31, 11:31 AM EDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 12:00Z, 7.8 hours before the alert went out and 141 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: 614 J/kg
Mixed-layer CIN: -39 J/kg
Mixed-layer LCL: 712 m above ground
0-6 km bulk shear: 23 kt
0-1 km storm-relative helicity: 85 m²/s²
0-3 km storm-relative helicity: 108 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.3

Open this sounding in Storm Lab

The text

As transmitted.

962 
WUUS53 KIND 311946
SVRIND
INC065-139-312030-
/O.NEW.KIND.SV.W.0029.180531T1946Z-180531T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Indianapolis IN
346 PM EDT THU MAY 31 2018

The National Weather Service in Indianapolis has issued a

* Severe Thunderstorm Warning for...
  Northern Rush County in central Indiana...
  Henry County in east central Indiana...

* Until 430 PM EDT.

* At 346 PM EDT, a severe thunderstorm was located 7 miles west of
  New Castle, or 17 miles west of Cambridge City, moving east at 35
  mph.

  HAZARD...60 mph wind gusts and quarter size hail. 

  SOURCE...Radar indicated. 

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees. 

* Locations impacted include...
  New Castle, Knightstown, Carthage, Spiceland, Sulphur Springs,
  Mooreland, Lewisville, Mount Summit, Straughn, Dunreith, Cadiz,
  Springport, Greensboro, Summit Lake State Park and Mays.

This includes Interstate 70 between mile markers 118 and 133.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3987 8522 3979 8522 3979 8530 3974 8530
      3970 8563 3979 8563 3979 8552 4005 8549
      4004 8521 3987 8521
TIME...MOT...LOC 1946Z 267DEG 29KT 3988 8549 

HAIL...1.00IN
WIND...60MPH
 
$$

PUMA

2 follow-up statements

763 
WWUS53 KIND 312001
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
401 PM EDT THU MAY 31 2018

INC065-139-312030-
/O.CON.KIND.SV.W.0029.000000T0000Z-180531T2030Z/
Rush IN-Henry IN-
401 PM EDT THU MAY 31 2018

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 430 PM EDT
FOR NORTHEASTERN RUSH AND HENRY COUNTIES...

At 401 PM EDT, a severe thunderstorm was located over New Castle, or
11 miles northwest of Cambridge City, moving east at 30 mph.

HAZARD...60 mph wind gusts and quarter size hail. 

SOURCE...Radar indicated. 

IMPACT...Hail damage to vehicles is expected. Expect wind damage to 
         roofs, siding, and trees. 

Locations impacted include...
New Castle, Spiceland, Sulphur Springs, Mooreland, Lewisville, Mount
Summit, Straughn, Dunreith, Cadiz, Greensboro and Summit Lake State
Park.

This includes Interstate 70 between mile markers 118 and 133.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 3987 8522 3979 8522 3979 8530 3974 8530
      3975 8546 3979 8552 3997 8549 4004 8544
      4004 8521 3987 8521
TIME...MOT...LOC 2001Z 262DEG 25KT 3988 8537 

HAIL...1.00IN
WIND...60MPH
 
$$

PUMA

722 
WWUS53 KIND 312022
SVSIND

Severe Weather Statement
National Weather Service Indianapolis IN
422 PM EDT THU MAY 31 2018

INC065-139-312032-
/O.EXP.KIND.SV.W.0029.000000T0000Z-180531T2030Z/
Rush IN-Henry IN-
422 PM EDT THU MAY 31 2018

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN RUSH AND HENRY
COUNTIES WILL EXPIRE AT 430 PM EDT...
        
The storm which prompted the warning has moved out of the area.
Therefore the warning will be allowed to expire.

A severe thunderstorm watch remains in effect until 600 PM EDT for
central Indiana.

LAT...LON 3987 8522 3979 8522 3979 8530 3974 8530
      3975 8546 3979 8552 3997 8549 4004 8544
      4004 8521 3987 8521
TIME...MOT...LOC 2022Z 267DEG 29KT 3989 8516 

$$

50

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Indianapolis, IN wrote its last area forecast discussion before this severe thunderstorm warning went out at May 31, 2:46 PM EDT, 1 hour earlier.

Area forecast discussion, May 31, 2:46 PM EDT, 1 hour before

Area Forecast Discussion
National Weather Service Indianapolis IN
246 PM EDT Thu May 31 2018

.UPDATE...
The SYNOPSIS...NEAR TERM and SHORT TERM Sections have been updated
below.

&&

.SYNOPSIS...
Issued at 240 PM EDT Thu May 31 2018

A cold front is expected to move through the area on Friday. Another
frontal system may affect the area by Saturday night and Sunday. In
the wake of the weekend system, high pressure will move into the
area for the early to middle parts of next week.

&&

.NEAR TERM /Rest of This Afternoon and Tonight/...
Issued at 240 PM EDT Thu May 31 2018

Mid level vorticity lobe currently moving through southern Indiana
at this time, associated with a large convective cluster.
Elsewhere, isolated convection is present over the rest of the
area as convective temperatures are reached. Short term models
suggest the mid level vorticity lobe will reach the far southeast
zones by 312000Z-312100Z. Should see organized convective
activity over the southern zones for a couple more hours, with a
diminishing trend after that as the vorticity lobe passes off to
the east. Threat for high winds along the leading edge of the
convective activity.

Could be some additional convective development through this
evening as the trailing vorticity tail hangs back across central
Indiana. Progged 925-850mb flow is somewhat favorable for this to
happen. Another vorticity center currently over Missouri is
expected to begin moving into the local area after about 010400Z.
At this time, not sure as to amount of convection that may be
associated with this feature later tonight, given that the air
mass will probably be worked over quite a bit from current
activity. However, model guidance suggests some lapse rate
recovery is possible late tonight.

Based on above, will keep high PoPs going over the southern zones
through late this afternoon, and go with chance PoPs though tonight
over the rest of the area. Low level thicknesses suggest the GFS MOS
lows tonight look reasonable.

&&

.SHORT TERM /Friday through Sunday/...
Issued at 240 PM EDT Thu May 31 2018

Diffuse cold front is expected to drop through the area during the
day Friday. Model data suggest not a lot of organized lift
associated with this front, although there may be some upper support
present due to a trough passing through the Great Lakes. Will keep
some chance PoPs going on Friday ahead of the front.

Will keep some chance PoPs going into Friday evening over the
southeast zones as the front may still be in the process of moving
through those areas.

Dry conditions expected on Saturday as surface high pressure noses
into the area from the Great Lakes.

Another upper trough is progged to drift through the northern Plains
and into the Midwest by Sunday. Will bring PoPs back into the
forecast by Saturday night and Sunday.

Progged low level thicknesses suggest the GFS MOS highs for Friday
may be a little on the warm side. Will nudge the guidance highs down
a bit in that period. The remainder of the periods look OK for
now.

&&

.LONG TERM /Sunday Night Through Thursday/...
Issued at 225 PM EDT Thu May 31 2018

Models are close enough that the model blend initialization
was accepted for most items.

Central Indiana will remain in northwest flow aloft during the long
term, which will lead to a period of near normal temperatures.

The GFS looks overdone with an upper low moving in on Monday, so
ignored it. Thus went with a dry forecast through the long term with
high pressure in control at the surface for most of the period.

Of course in northwest flow there is always a chance a short wave
could develop and bring a shower chance, so will have to continue to
watch for later developments.

&&

.AVIATION (Discussion for the 311800Z TAF Issuance)...
Issued at 1248 PM EDT Thu May 31 2018

MVFR conditions expected at times, mainly this evening and
overnight. Convection likely to impact southern sites at times
through the evening.

First round of thunderstorms looks to impact mainly KHUF and KBMG
early in the period, with widely scattered convection elsewhere.
Then there will be a lull before another thunderstorm complex moves
in late this afternoon into this evening.

More uncertainty exists with this second complex with questions of
how the first round will have removed some instability.

Tried to time the best chances for thunderstorms by using TEMPO or
VCTS as appropriate. Amendments will likely be needed as trends
become clearer.

Overnight there looks to be a period of MVFR ceilings, which will
lift and scatter out Friday morning.

&&

.IND WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

SYNOPSIS...JAS
NEAR TERM...JAS
SHORT TERM...JAS
LONG TERM....50
AVIATION...50

Hazardous weather outlook, May 31, 3:29 AM EDT, 12 hours 17 minutes before

Hazardous Weather Outlook
National Weather Service Indianapolis IN
329 AM EDT Thu May 31 2018

INZ021-028>031-035>049-051>057-060>065-067>072-011000-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
Including the cities of Lafayette, Frankfort, Kokomo,
Crawfordsville, Anderson, Muncie, Indianapolis, Terre Haute,
Shelbyville, Bloomington, Columbus, Vincennes, Bedford, and Seymour
329 AM EDT Thu May 31 2018

This hazardous weather outlook is for central Indiana.

.DAY ONE...Today and Tonight.

Outlook: Showers and thunderstorms will redevelop this afternoon.
Some of these storms could be strong or severe late this afternoon
and evening, especially south of Interstate 74. An isolated tornado
can not be ruled out south of Carlisle and Bedford.

Hazards: Damaging winds, large hail, isolated tornadoes, brief heavy
rain and cloud to ground lightning.

Timing: Mainly late this afternoon and evening.

Discussion: A frontal system and upper wave will move through
central Indiana tonight.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Outlook: A pair of frontal systems will bring a chance of
thunderstorms to central Indiana Friday and Friday evening and again
Saturday night through early afternoon Sunday. Severe storms are not
expected. However, any storm can produce brief heavy rain, gusty
winds and cloud to ground lightning.

Discussion: A pair of cold fronts will result in the threat for
early and late weekend thunderstorms.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be needed this afternoon and evening.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

In the hours before

Local storm report, May 31, 3:31 PM EDT, 15 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
331 PM EDT THU MAY 31 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0235 PM     TSTM WND DMG     NORTH VERNON            39.01N 85.63W
05/31/2018                   JENNINGS           IN   TRAINED SPOTTER

            UTILITY LINES AND TREES/LIMBS DOWN. DELAYED
            REPORT.

&&

BHH

Local storm report, May 31, 3:33 PM EDT, 13 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
333 PM EDT THU MAY 31 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0311 PM     TSTM WND GST     2 NE MCCORDSVILLE       39.93N 85.90W
05/31/2018  M61 MPH          HAMILTON           IN   TRAINED SPOTTER

            ACCOMPANIED BY 3/4-INCH HAIL.

&&

BHH

Local storm report, May 31, 3:34 PM EDT, 12 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
334 PM EDT THU MAY 31 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0311 PM     HAIL             2 NE MCCORDSVILLE       39.93N 85.90W
05/31/2018  E0.75 INCH       HAMILTON           IN   PUBLIC

            ACCOMPANIED BY MEASURED 61 MPH WIND.

&&

BHH

Local storm report, May 31, 3:41 PM EDT, 5 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
341 PM EDT THU MAY 31 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0315 PM     TSTM WND GST     2 NE GREENWOOD          39.63N 86.09W
05/31/2018  M52 MPH          JOHNSON            IN   AWOS

            AT GREENWOOD MUNICIPAL AIRPORT.

&&

BHH

Local storm report, May 31, 3:43 PM EDT, 3 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
343 PM EDT THU MAY 31 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0343 PM     TSTM WND DMG     INDIANAPOLIS            39.78N 86.15W
05/31/2018                   MARION             IN   UTILITY COMPANY

            3200 POWER OUTAGES IN MARION COUNTY.

&&

BHH

Local storm report, May 31, 3:46 PM EDT, 0 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
346 PM EDT THU MAY 31 2018

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0313 PM     TSTM WND GST     3 ESE FAIRLAND          39.58N 85.80W
05/31/2018  M56 MPH          SHELBY             IN   ASOS

            AT SHELBYVILLE MUNICIPAL AIRPORT.

&&

BHH

The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 12:08 PM EDT	Severe Thunderstorm Warning	IND	Knox	52 min
May 31, 12:48 PM EDT	Severe Thunderstorm Warning	IND	Daviess, Knox	42 min
May 31, 1:01 PM EDT	Tornado Warning	IND	Daviess	14 min
May 31, 1:09 PM EDT	Severe Thunderstorm Warning	IND	Martin	36 min
May 31, 1:18 PM EDT	Severe Thunderstorm Warning	IND	Greene, Sullivan	42 min
May 31, 1:24 PM EDT	Severe Thunderstorm Warning	IND	Greene, Lawrence, Monroe	36 min
May 31, 1:48 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Brown, Jackson, Monroe	42 min
May 31, 2:24 PM EDT	Severe Thunderstorm Warning	IND	Bartholomew, Decatur, Jackson, Jennings	36 min
May 31, 2:51 PM EDT	Special Weather Statement	IND	Marion	24 min
May 31, 2:55 PM EDT	Special Weather Statement	IND	Hendricks	35 min
May 31, 3:12 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Madison, Marion	33 min
May 31, 3:36 PM EDT	Severe Thunderstorm Warning	IND	Hancock, Henry, Madison	39 min
May 31, 4:21 PM EDT	Special Weather Statement	IND	Randolph	39 min
May 31, 7:13 PM EDT	Special Weather Statement	IND	Fountain	47 min
May 31, 7:23 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Vermillion, Warren	52 min
May 31, 7:25 PM EDT	Special Weather Statement	IND	Carroll	35 min
May 31, 7:31 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Parke, Vermillion	44 min
May 31, 7:50 PM EDT	Special Weather Statement	IND	Tippecanoe	25 min
May 31, 7:56 PM EDT	Severe Thunderstorm Warning	IND	Fountain, Parke	23 min

Nearby

Severe Thunderstorm Warnings in Indiana, 2018 Every severe thunderstorm warning in 2018

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.