Alert archive / Indiana / Special Weather Statements in 2017

Special Weather Statement, NWS Indianapolis, IN

May 26, 2017Carroll County, Indiana

NWS Indianapolis, IN issued this special weather statement at May 26, 2017, 9:37 PM EDT for Carroll County, Indiana. It was in force for 38 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
May 26, 2017, 9:37 PM EDT (01:37 UTC)
Expired
May 26, 2017, 10:15 PM EDT
In force
38 min
Issued by
NWS Indianapolis, IN

County Carroll County, IN

The radar

The Indianapolis radar (KIND), 95 km from the middle of the area, began a volume at 01:36 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, 1.6 hours before the alert went out and 173 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 2017-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 884 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 2017-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 116 square meters per square second.19395878Sfc1 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
884 J/kg
Mixed-layer CIN
-64 J/kg
Mixed-layer LCL
1303 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
116 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.4
Supercell composite
4.9

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

The local office's own words before this special weather statement 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 special weather statement went out at May 26, 9:34 PM EDT, 3 minutes earlier.

Area forecast discussion, May 26, 9:34 PM EDT, 3 minutes before
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Hazardous weather outlook, May 26, 4:13 PM EDT, 5 hours 24 minutes before
Hazardous Weather Outlook...UPDATED
National Weather Service Indianapolis IN
413 PM EDT Fri May 26 2017

INZ021-028>031-035>049-051>057-060>065-067>072-271000-
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
413 PM EDT Fri May 26 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Tonight.

Outlook: Strong to severe thunderstorms possible. A Tornado Watch is in
effect for Carroll, Howard, Tippecanoe and Warren counties through 9
pm.

Hazards: Damaging winds, large hail, isolated tornadoes, frequent
lightning, and brief heavy rain.

Timing: Severe 6 pm to Midnight. Lightning and brief heavy rain
possible overnight.

Discussion: A frontal boundary will combine with an upper wave over
northwestern Illinois to trigger strong to severe thunderstorms
tonight.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Outlook: Thunderstorms are possible Saturday through Sunday and
again at times over parts of central Indiana Memorial Day through
Wednesday. Severe storms are possible Saturday afternoon and night
and Sunday afternoon. Cloud to ground lightning, heavy rain,
damaging winds and large hail will be threats. Isolated tornadoes
will also be a threat Saturday afternoon and night and Sunday
afternoon.

Discussion: A frontal system will move across central Indiana
Memorial Day weekend and spark strong to severe thunderstorms.
More storms are possible next week over all or parts of the area.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible at times tonight, Saturday afternoon
and night and Sunday afternoon.

&&

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 26, 8:33 PM EDT, 1 hour 4 minutes before
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Local storm report, May 26, 8:46 PM EDT, 51 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
846 PM EDT FRI MAY 26 2017

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

0808 PM     TSTM WND DMG     CRAWFORDSVILLE          40.04N 86.90W
05/26/2017                   MONTGOMERY         IN   TRAINED SPOTTER

            SEVERAL REPORTS OF TREES OF UP TO 12 INCHES
            IN DIAMETER WERE DOWNED ACROSS
            CRAWFORDSVILLE. TIME ESTIMATED FROM RADAR.

&&

AW
Local storm report, May 26, 8:53 PM EDT, 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
853 PM EDT FRI MAY 26 2017

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

0846 PM     TSTM WND GST     2 NE PITTSBORO          39.89N 86.44W
05/26/2017  M75 MPH          HENDRICKS          IN   AMATEUR RADIO

            AMATEUR RADIO OPERATOR WA9FD0 REPORTED A
            MEASURED 75 MPH WIND GUST.

&&

AW
Local storm report, May 26, 9:07 PM EDT, 30 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
907 PM EDT FRI MAY 26 2017

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

0856 PM     HAIL             WHITESTOWN              40.00N 86.35W
05/26/2017  E0.50 INCH       BOONE              IN   TRAINED SPOTTER

&&

KEH
Special weather statement, May 26, 9:35 PM EDT, 2 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
935 PM EDT FRI MAY 26 2017

INZ049-057-270215-
Rush IN-Henry IN-
935 PM EDT FRI MAY 26 2017

...SIGNIFICANT WEATHER ADVISORY FOR NORTHERN RUSH AND SOUTHERN HENRY
COUNTIES UNTIL 1015 PM EDT...

At 934 PM EDT, Doppler radar was tracking a strong thunderstorm 8
miles southwest of New Castle, or 16 miles west of Cambridge City,
moving east at 60 mph.

Winds in excess of 40 mph will be possible with this storm.

Locations impacted include...
New Castle, Knightstown, Carthage, Spiceland, Kennard, Lewisville,
Straughn, Dunreith, Greensboro, Falmouth and Mays.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

A severe thunderstorm watch remains in effect until 200 AM EDT for
central and east central Indiana.

LAT...LON 3987 8522 3979 8522 3979 8530 3970 8530
      3975 8560 3993 8556 3993 8520 3988 8520
TIME...MOT...LOC 0134Z 277DEG 53KT 3983 8548

MK
Special weather statement, May 26, 9:37 PM EDT, 0 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
937 PM EDT FRI MAY 26 2017

INZ021-029-030-270215-
Clinton IN-Tippecanoe IN-Carroll IN-
937 PM EDT FRI MAY 26 2017

...SPECIAL WEATHER STATEMENT...

At 937 PM EDT, Doppler radar was tracking a strong thunderstorm near
Brookston, or 9 miles north of Lafayette, moving east at 35 mph.

Half inch hail will be possible with this storm.

Locations impacted include...
Lafayette, West Lafayette, Delphi, Flora, Rossville, Battle Ground
and Burlington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.

&&

A severe thunderstorm watch remains in effect until 200 AM EDT for
central, north central and west central Indiana.

LAT...LON 4058 8637 4051 8638 4032 8644 4046 8695
      4056 8692 4056 8677 4063 8677
TIME...MOT...LOC 0137Z 284DEG 29KT 4054 8682

MK

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:06 PM EDTSevere Thunderstorm WarningINDBoone, Clinton, Hendricks, Montgomery, Tippecanoe, Tipton39 min
May 26, 8:22 PM EDTAreal Flood WarningINDFountain, Montgomery, Tippecanoe, Warren3 hr
May 26, 8:38 PM EDTSevere Thunderstorm WarningINDHendricks, Marion37 min
May 26, 8:57 PM EDTSevere Thunderstorm WarningINDHamilton, Hancock, Madison, Marion33 min
May 26, 9:35 PM EDTSpecial Weather StatementINDHenry40 min
May 26, 10:38 PM EDTRiver Flood WarningINDHamilton, Marion71 hr
May 26, 10:38 PM EDTRiver Flood WarningINDMarion, Morgan3 days

Nearby

Special Weather Statements in Indiana, 2017Every special weather statement in 2017

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.