Alert archive / Indiana / Special Weather Statements in 2016

Special Weather Statement, NWS Indianapolis, IN

April 21, 2016Parke County, Indiana

NWS Indianapolis, IN issued this special weather statement at Apr 21, 2016, 2:55 PM EDT for Parke County, Indiana. It was in force for 50 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 21, 2016, 2:55 PM EDT (18:55 UTC)
Expired: Apr 21, 2016, 3:45 PM EDT
In force: 50 min
Issued by: NWS Indianapolis, IN

County Parke County, IN

The radar

The Indianapolis radar (KIND), 57 km from the middle of the area, began a volume at 18:56 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, 6.9 hours before the alert went out and 148 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: 14 J/kg
Mixed-layer CIN: -45 J/kg
Mixed-layer LCL: 672 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: -20 m²/s²
0-3 km storm-relative helicity: 28 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

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 Apr 21, 2:36 PM EDT, 19 minutes earlier.

Area forecast discussion, Apr 21, 2:36 PM EDT, 19 minutes before

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Hazardous weather outlook, Apr 21, 5:25 AM EDT, 9 hours 30 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
525 AM EDT THU APR 21 2016

INZ021-028>031-035>049-051>057-060>065-067>072-221000-
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...SEYMOUR
525 AM EDT THU APR 21 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TODAY AND TONIGHT.

OUTLOOK: SCATTERED THUNDERSTORM ACTIVITY IS EXPECTED...MAINLY THIS
AFTERNOON AND TONIGHT. ALTHOUGH SEVERE STORMS ARE NOT EXPECTED AT
THIS TIME...A FEW STORMS MAY CONTAIN SMALL HAIL AND GUSTY WINDS
LATE THIS AFTERNOON AND TONIGHT.

HAZARDS: CLOUD TO GROUND LIGHTNING...SMALL HAIL...AND GUSTY WINDS
IN AND NEAR THUNDERSTORMS.

TIMING: THUNDERSTORM ACTIVITY MAINLY THIS AFTERNOON AND TONIGHT.

DISCUSSION: A LOW PRESSURE SYSTEM WILL MOVE OUT OF THE PLAINS
TOWARD CENTRAL INDIANA TODAY AND TONIGHT...BRINGING SHOWERS AND
SCATTERED THUNDERSTORMS WITH IT. CONDITIONS MAY BECOME FAVORABLE
BY LATE THIS AFTERNOON AND TONIGHT FOR A FEW STORMS TO PRODUCE
SMALL HAIL AND GUSTY WINDS.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY.

OUTLOOK: THUNDERSTORM ACTIVITY IS POSSIBLE DURING THE EARLY TO
MIDDLE PARTS OF NEXT WEEK. SEVERE STORMS ARE NOT EXPECTED AT THIS
TIME.

DISCUSSION: A LOW PRESSURE SYSTEM WILL BE IN THE PROCESS OF MOVING
OFF TO THE EAST ON FRIDAY. THIS DEPARTING SYSTEM WILL BRING
CHANCES FOR SHOWER ACTIVITY TO THE AREA ON FRIDAY. ANOTHER FRONTAL
SYSTEM MAY MOVE INTO THE OHIO VALLEY FOR THE EARLY TO MIDDLE PARTS
OF NEXT WEEK...RESULTING IN INCREASED CHANCES FOR THUNDERSTORM
ACTIVITY BY THAT TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED. SEVERE STORM SPOTTERS ARE
ENCOURAGED TO REPORT ANY HAIL OR STRONG WINDS OBSERVED LATER THIS
AFTERNOON AND TONIGHT.

&&

MORE INFORMATION...ALONG WITH OTHER WEATHER...HYDROLOGICAL AND
CLIMATE INFORMATION CAN BE FOUND...AT HTTP://WEATHER.GOV/IND (ALL
LOWERCASE)

In the hours before

Special weather statement, Apr 21, 2:55 PM EDT, 0 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 21, 3:06 PM EDT	Special Weather Statement	IND	Putnam	39 min
Apr 21, 4:28 PM EDT	Special Weather Statement	IND	Boone	47 min
Apr 21, 5:09 PM EDT	Severe Thunderstorm Warning	IND	Hamilton, Madison	36 min

Nearby

Special Weather Statements in Indiana, 2016 Every special weather statement in 2016

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.