Alert archive / Indiana / Special Weather Statements in 2014

Special Weather Statement, NWS Indianapolis, IN

April 2, 2014Sullivan County, Indiana

NWS Indianapolis, IN issued this special weather statement at Apr 2, 2014, 7:23 PM EDT for Sullivan County, Indiana. It was in force for 52 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 2, 2014, 7:23 PM EDT (23:23 UTC)
Expired
Apr 2, 2014, 8:15 PM EDT
In force
52 min
Issued by
NWS Indianapolis, IN

County Sullivan County, IN

The radar

The Evansville,IN radar (KVWX), 76 km from the middle of the area, began a volume at 23:23 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, 11.4 hours before the alert went out and 166 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 12:00Z on 2014-04-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2014-04-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -35 square meters per square second.1939587897Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1520 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
-35 m²/s²
0-3 km storm-relative helicity
213 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

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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 2, 7:12 PM EDT, 11 minutes earlier.

Area forecast discussion, Apr 2, 7:12 PM EDT, 11 minutes before
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Hazardous weather outlook, Apr 2, 4:44 PM EDT, 2 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
444 PM EDT WED APR 2 2014

INZ021-028>031-035>049-051>057-060>065-067>072-031000-
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-
444 PM EDT WED APR 2 2014

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

...FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY
MORNING...

.DAY ONE...TONIGHT.

OUTLOOK: SHOWERS AND THUNDERSTORMS THIS AFTERNOON AND TONIGHT.

HAZARDS: HEAVY RAINFALL. SMALL HAIL AND GUSTY WINDS. FLOODING.

TIMING: THIS AFTERNOON THROUGH TONIGHT.

DISCUSSION: A WARM FRONT EXTENDING EAST FROM NORTHERN OKLAHOMA
INTO WESTERN KENTUCKY THIS AFTERNOON WILL LIFT NORTH INTO CENTRAL
INDIANA OVERNIGHT. PERIODIC SHOWERS AND THUNDERSTORMS WILL DEVELOP
AND MOVE ACROSS THE REGION THIS EVENING AND OVERNIGHT AS A
RESULT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY.

OUTLOOK: THUNDERSTORMS ARE POSSIBLE AT TIMES THROUGH EARLY FRIDAY.
THERE IS A SLIGHT RISK FOR SEVERE STORMS THURSDAY AFTERNOON
THROUGH EVENING WITH LARGE HAIL...DAMAGING WINDS AND THE
POSSIBILITY OF TORNADOES AS THE PRIMARY THREATS. THUNDERSTORMS
WILL ALSO PRODUCE DANGEROUS LIGHTNING AND HEAVY RAINFALL.

DISCUSSION: A NEARLY STATIONARY WARM FRONT OVER THE OHIO VALLEY
WILL ALLOW SEVERAL AREAS OF LOW PRESSURE TO MOVE ALONG IT AND
BRING SHOWERS AND THUNDERSTORMS TO CENTRAL INDIANA THROUGH EARLY
FRIDAY. SEVERE STORMS ARE POSSIBLE THURSDAY AFTERNOON INTO THE
EVENING AS THE WARM FRONT LIFTS INTO NORTHERN INDIANA...FOLLOWED
BY AN ADDITIONAL THREAT FOR SEVERE WEATHER LATE THURSDAY NIGHT AS
A COLD FRONT SWEEPS THROUGH THE AREA.

HIGH PRESSURE WILL MOVE INTO THE AREA BEHIND THE FRONT FOR FRIDAY
AND INTO THE WEEKEND. GUSTY WINDS IN EXCESS OF 35 MPH ARE POSSIBLE
DURING THE DAY FRIDAY. CHANCES FOR RAIN WILL RETURN ON MONDAY AND
TUESDAY AS LOW PRESSURE TRACKS INTO THE OHIO VALLEY.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED THURSDAY AFTERNOON AND NIGHT.

&&

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

RYAN

In the hours before

Special weather statement, Apr 2, 7:23 PM EDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 3:36 AM EDTFlood WatchINDBartholomew, Boone, Brown, Carroll, Clay, Clinton and 33 more52 hr
Apr 2, 5:08 PM EDTAreal Flood WarningINDDaviess, Greene, Knox, Martin, Sullivan6 hr
Apr 2, 7:59 PM EDTSpecial Weather StatementINDDaviess46 min

Nearby

Special Weather Statements in Indiana, 2014Every special weather statement in 2014

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.