Alert archive / Indiana / Special Weather Statements in 2012

Special Weather Statement, NWS Indianapolis, IN

January 23, 20124 counties in Indiana

NWS Indianapolis, IN issued this special weather statement at Jan 23, 2012, 1:53 AM EST for 4 counties in Indiana. It was in force for 37 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
Jan 23, 2012, 1:53 AM EST (06:53 UTC)
Expired
Jan 23, 2012, 2:30 AM EST
In force
37 min
Issued by
NWS Indianapolis, IN

Counties Hamilton County, IN, Hancock County, IN, Madison County, IN, Marion County, IN

The radar

The Indianapolis radar (KIND), 43 km from the middle of the area, began a volume at 06:53 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 6.9 hours before the alert went out and 182 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, Cncnati-Daytn, OH at 00:00Z on 2012-01-23Temperature 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, Cncnati-Daytn, OH at 00:00Z on 2012-01-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 262 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
415 m above ground
0-6 km bulk shear
48 kt
0-1 km storm-relative helicity
262 m²/s²
0-3 km storm-relative helicity
290 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 Jan 23, 12:40 AM EST, 1 hour 13 minutes earlier.

Area forecast discussion, Jan 23, 12:40 AM EST, 1 hour 13 minutes before
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Hazardous weather outlook, Jan 22, 7:33 PM EST, 6 hours 20 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
733 PM EST SUN JAN 22 2012

INZ021-029>031-036>042-045>049-052>057-062>065-072-231100-
CARROLL-TIPPECANOE-CLINTON-HOWARD-MONTGOMERY-BOONE-TIPTON-
HAMILTON-MADISON-DELAWARE-RANDOLPH-PUTNAM-HENDRICKS-MARION-
HANCOCK-HENRY-CLAY-OWEN-MORGAN-JOHNSON-SHELBY-RUSH-MONROE-BROWN-
BARTHOLOMEW-DECATUR-JENNINGS-
733 PM EST SUN JAN 22 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

OUTLOOK: SCATTERED THUNDERSTORMS ARE POSSIBLE TONIGHT. SOME OF THE
STORMS MAY BE SEVERE. FLOODING IS POSSIBLE AS WELL. WIDESPREAD FOG
AND AREAS OF DENSE FOG WILL IMPACT THE REGION THIS EVENING BEFORE
THE THUNDERSTORMS ARRIVE.

HAZARDS: DAMAGING WINDS WILL BE THE PRIMARY THREAT. SECONDARY
THREATS ARE LARGE HAIL AND ISOLATED TORNADOES. BRIEF HEAVY RAIN
MAY LEAD TO FLOODING. WIDESPREAD FOG AND AREAS OF DENSE FOG WILL
ALSO OCCUR THIS EVENING.

TIMING: THE GREATEST THREAT FOR SEVERE THUNDERSTORMS WILL BE BETWEEN
MIDNIGHT AND 500 AM.

DISCUSSION: A STRONG COLD FRONT IS EXPECTED TO MOVE THROUGH
CENTRAL INDIANA LATE TONIGHT AND EARLY MONDAY MORNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

OUTLOOK: STRONG WEST TO SOUTHWEST WINDS WILL GUST TO AROUND 45
MPH DURING THE DAY ON MONDAY.

DISCUSSION: STRONG WINDS ARE EXPECTED ON MONDAY IN THE WAKE OF
A COLD FRONT. THERE IS A CHANCE FOR LIGHT MIXED PRECIPITATION
WEDNESDAY NIGHT AND FRIDAY NIGHT. AT THIS TIME...SNOWFALL
ACCUMULATIONS ARE NOT EXPECTED.

.SPOTTER ACTIVATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE LATE THIS EVENING AND OVERNIGHT.

&&

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

INZ028-035-043-044-051-070-071-231100-
WARREN-FOUNTAIN-VERMILLION-PARKE-VIGO-LAWRENCE-JACKSON-
733 PM EST SUN JAN 22 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

OUTLOOK: SCATTERED THUNDERSTORMS ARE POSSIBLE TONIGHT. SOME OF THE
STORMS MAY BE SEVERE. WIDESPREAD FOG AND AREAS OF DENSE FOG WILL
IMPACT THE REGION THIS EVENING BEFORE THE THUNDERSTORMS ARRIVE. IN
ADDITION...LOW LAND FLOODING WILL OCCUR ALONG PORTIONS OF THE
WABASH RIVER...WHITE RIVER...EAST FORK WHITE...AND MUSCATATUCK
RIVERS.

HAZARDS: THE MAIN SEVERE THREAT WILL BE DAMAGING WINDS. SECONDARY
THREATS ARE LARGE HAIL AND ISOLATED TORNADOES. BRIEF HEAVY RAIN
MAY CAUSE FLOODING IN ADDITION TO THE LOW LAND RIVER FLOODING.
WIDESPREAD FOG AND AREAS OF DENSE FOG WILL ALSO OCCUR THIS
EVENING.

TIMING: THE GREATEST THREAT FOR SEVERE THUNDERSTORMS WILL BE
BETWEEN MIDNIGHT AND 500 AM. LOW LAND RIVER FLOODING CONTINUING
TONIGHT.

DISCUSSION: A STRONG COLD FRONT IS EXPECTED TO MOVE THROUGH
CENTRAL INDIANA LATE TONIGHT AND EARLY MONDAY MORNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

OUTLOOK: STRONG WEST TO SOUTHWEST WINDS WILL GUST TO AROUND 45
MPH DURING THE DAY ON MONDAY. LOW LAND RIVER FLOODING IS EXPECTED
TO CONTINUE THROUGH LATE THIS WEEK.

DISCUSSION: STRONG WINDS ARE EXPECTED ON MONDAY IN THE WAKE OF
A COLD FRONT. THERE IS A CHANCE FOR LIGHT MIXED PRECIPITATION
WEDNESDAY NIGHT AND FRIDAY NIGHT. AT THIS TIME...SNOWFALL
ACCUMULATIONS ARE NOT EXPECTED.

.SPOTTER ACTIVATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE LATE THIS EVENING AND OVERNIGHT.

&&

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

INZ060-061-067>069-231100-
SULLIVAN-GREENE-KNOX-DAVIESS-MARTIN-
733 PM EST SUN JAN 22 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TONIGHT.

OUTLOOK: SCATTERED THUNDERSTORMS ARE POSSIBLE TONIGHT. SOME OF THE
STORMS TONIGHT MAY BE SEVERE. WIDESPREAD FOG AND AREAS OF DENSE
FOG WILL IMPACT THE REGION THIS EVENING BEFORE THE THUNDERSTORMS
ARRIVE. IN ADDITION...LOW LAND FLOODING WILL OCCUR ALONG PORTIONS
OF THE WABASH...MUSCATATUCK...WHITE...AND EAST FORK OF THE WHITE
RIVERS.

HAZARDS: MAIN SEVERE THREAT IS DAMAGING WINDS. SECONDARY THREATS
ARE LARGE HAIL AND TORNADOES. BRIEF HEAVY RAIN MAY LEAD TO
FLOODING IN ADDITION TO LOW LAND RIVER FLOODING. WIDESPREAD FOG
AND AREAS OF DENSE FOG WILL ALSO OCCUR THIS EVENING.

TIMING: THE GREATEST THREAT FOR SEVERE THUNDERSTORMS WILL BE
BETWEEN MIDNIGHT AND 400 AM. LOW LAND RIVER FLOODING WILL CONTINUE
TONIGHT.

DISCUSSION: A STRONG COLD FRONT IS EXPECTED TO MOVE THROUGH
CENTRAL INDIANA LATE TONIGHT AND EARLY MONDAY MORNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY.

OUTLOOK: STRONG WEST TO SOUTHWEST WINDS MAY GUST TO NEAR 45 MPH
DURING THE DAY ON MONDAY. LOW LAND RIVER FLOODING IS EXPECTED TO
CONTINUE THROUGH LATE THIS WEEK.

DISCUSSION: STRONG WINDS ARE EXPECTED ON MONDAY IN THE WAKE OF
A COLD FRONT. THERE IS A CHANCE FOR LIGHT MIXED PRECIPITATION
WEDNESDAY NIGHT AND FRIDAY NIGHT. AT THIS TIME...SNOWFALL
ACCUMULATIONS ARE NOT EXPECTED.

.SPOTTER ACTIVATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY LATE TONIGHT AND OVERNIGHT.

&&

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, Jan 23, 1:27 AM EST, 26 minutes before
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Special weather statement, Jan 23, 1:30 AM EST, 23 minutes before
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Local storm report, Jan 23, 1:41 AM EST, 12 minutes before
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Local storm report, Jan 23, 1:52 AM EST, 1 minute before
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Local storm report, Jan 23, 1:53 AM EST, 0 minutes before
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Special weather statement, Jan 23, 1:53 AM EST, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jan 23, 12:00 AM ESTSevere Thunderstorm WarningINDDaviess, Knox30 min
Jan 23, 12:27 AM ESTSevere Thunderstorm WarningINDDaviess, Greene, Knox, Martin, Sullivan33 min
Jan 23, 12:31 AM ESTSevere Thunderstorm WarningINDClay, Greene, Sullivan, Vigo29 min
Jan 23, 12:50 AM ESTSpecial Weather StatementINDOwen25 min
Jan 23, 12:58 AM ESTSpecial Weather StatementINDGreene, Lawrence, Martin, Monroe32 min
Jan 23, 1:14 AM ESTTornado WarningINDPutnam8 min
Jan 23, 1:27 AM ESTSpecial Weather StatementINDBoone, Hendricks33 min
Jan 23, 1:30 AM ESTSpecial Weather StatementINDBartholomew, Brown, Jackson, Johnson, Morgan45 min
Jan 23, 2:02 AM ESTSpecial Weather StatementINDBartholomew, Decatur, Jennings, Rush, Shelby43 min
Jan 23, 2:24 AM ESTSpecial Weather StatementINDDelaware, Henry, Madison, Randolph51 min
Jan 23, 10:46 AM ESTRiver Flood WarningINDDaviess, Greene, Knox8 days
Jan 23, 10:46 AM ESTRiver Flood WarningINDParke, Vermillion, Vigo11 days

Nearby

Special Weather Statements in Indiana, 2012Every special weather statement in 2012

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.