Alert archive / Indiana / Areal Flood Warnings in 2012

Areal Flood Warning 1, NWS Indianapolis, IN

March 16, 2012Lawrence County, Indiana

NWS Indianapolis, IN issued this areal flood warning at Mar 16, 2012, 12:23 AM EDT for Lawrence County, Indiana. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 16, 2012, 12:23 AM EDT (04:23 UTC)
Expired
Mar 16, 2012, 4:30 AM EDT
In force
4 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

County Lawrence County, IN

The radar

The Indianapolis radar (KIND), 98 km from the middle of the area, began a volume at 04:24 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, 4.4 hours before the alert went out and 233 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 2012-03-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1967 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 2012-03-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 88 square meters per square second.193958Sfc1 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
1967 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
1303 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
88 m²/s²
0-3 km storm-relative helicity
123 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.1

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood 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 areal flood warning went out at Mar 15, 6:56 PM EDT, 5 hours 27 minutes earlier.

Area forecast discussion, Mar 15, 6:56 PM EDT, 5 hours 27 minutes before
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Hazardous weather outlook, Mar 15, 10:10 AM EDT, 14 hours 13 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1010 AM EDT THU MAR 15 2012

INZ021-028>031-035-036-043-044-161415-
CARROLL-WARREN-TIPPECANOE-CLINTON-HOWARD-FOUNTAIN-MONTGOMERY-
VERMILLION-PARKE-
1010 AM EDT THU MAR 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...THIS AFTERNOON AND TONIGHT.

OUTLOOK: SCATTERED STRONG THUNDERSTORMS WILL DEVELOP TODAY AS AN
UPPER LEVEL DISTURBANCE MOVES THROUGH THE OHIO VALLEY.

HAZARDS: LIGHTNING...HAIL...THUNDERSTORM WIND GUSTS TO 50 MPH AND
BRIEF HEAVY RAINFALL.

TIMING: THE BEST CHANCE FOR THUNDERSTORMS WILL COME THIS AFTERNOON
AND EVENING.

DISCUSSION: AN UPPER LEVEL DISTURBANCE WILL TRACK INTO THE OHIO
VALLEY WITH THUNDERSTORMS DEVELOPING BY MIDDAY. SCATTERED
THUNDERSTORMS WILL CONTINUE THROUGH THE AFTERNOON AND EVENING AS
THE DISTURBANCE MOVES ACROSS THE REGION.

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

OUTLOOK: SCATTERED THUNDERSTORMS REMAIN POSSIBLE FRIDAY
THROUGH SUNDAY AND AGAIN ON MONDAY. AT THIS TIME...THE GREATEST
CHANCES FOR THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON AND
EVENING AS AN UPPER LEVEL DISTURBANCE TRACKS THROUGH THE REGION.
THUNDERSTORMS MAY HAVE SMALL HAIL AND GUSTY WINDS. LIGHTNING AND
LOCALLY HEAVY RAINFALL WILL BE A THREAT WITH ANY STORM THAT
DEVELOPS.

DISCUSSION: CENTRAL INDIANA WILL REMAIN WITHIN A MOIST UNSTABLE
AIRMASS THROUGH THE WEEKEND. A SERIES OF UPPER LEVEL DISTURBANCES
WILL PRODUCE CONTINUED CHANCES FOR SHOWERS AND THUNDERSTORMS INTO
EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ENCOURAGED TO REPORT ANY HAIL...GUSTY WINDS OR
LOCALIZED FLOODING THROUGH THE WEEKEND.

&&

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

INZ037>042-045>049-051>057-060>065-067>072-161415-
BOONE-TIPTON-HAMILTON-MADISON-DELAWARE-RANDOLPH-PUTNAM-HENDRICKS-
MARION-HANCOCK-HENRY-VIGO-CLAY-OWEN-MORGAN-JOHNSON-SHELBY-RUSH-
SULLIVAN-GREENE-MONROE-BROWN-BARTHOLOMEW-DECATUR-KNOX-DAVIESS-
MARTIN-LAWRENCE-JACKSON-JENNINGS-
1010 AM EDT THU MAR 15 2012

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL INDIANA.

.DAY ONE...TODAY AND TONIGHT.

OUTLOOK: SCATTERED STRONG TO SEVERE THUNDERSTORMS WILL DEVELOP
TODAY AS AN UPPER LEVEL DISTURBANCE MOVES THROUGH THE OHIO VALLEY.

HAZARDS: LIGHTNING...LARGE HAIL...DAMAGING WINDS AND BRIEF HEAVY
RAINFALL.

TIMING: THE BEST CHANCE FOR THUNDERSTORMS WILL COME THIS AFTERNOON
AND EVENING.

DISCUSSION: AN UPPER LEVEL DISTURBANCE WILL TRACK INTO THE OHIO
VALLEY WITH THUNDERSTORMS DEVELOPING BY MIDDAY. SCATTERED
THUNDERSTORMS WILL CONTINUE THROUGH THE AFTERNOON AND EVENING AS
THE DISTURBANCE MOVES ACROSS THE REGION.

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

OUTLOOK: SCATTERED THUNDERSTORMS REMAIN POSSIBLE FRIDAY
THROUGH SUNDAY AND AGAIN ON MONDAY. AT THIS TIME...THE GREATEST
CHANCES FOR THUNDERSTORMS ARE EXPECTED SATURDAY AFTERNOON AND
EVENING AS AN UPPER LEVEL DISTURBANCE TRACKS THROUGH THE REGION.
THUNDERSTORMS MAY HAVE SMALL HAIL AND GUSTY WINDS. LIGHTNING AND
LOCALLY HEAVY RAINFALL WILL BE A THREAT WITH ANY STORM THAT
DEVELOPS.

DISCUSSION: CENTRAL INDIANA WILL REMAIN WITHIN A MOIST UNSTABLE
AIRMASS THROUGH THE WEEKEND. A SERIES OF UPPER LEVEL DISTURBANCES
WILL PRODUCE CONTINUED CHANCES FOR SHOWERS AND THUNDERSTORMS INTO
EARLY NEXT WEEK.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEED DURING THE AFTERNOON AND EVENING.
ADDITIONALLY...SPOTTERS ARE ENCOURAGED TO REPORT ANY HAIL...GUSTY WINDS
OR LOCALIZED FLOODING THROUGH THE WEEKEND.

&&

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

SMF

In the hours before

Local storm report, Mar 15, 7:04 PM EDT, 5 hours 19 minutes before
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    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
      <p id="message1">
        The site you requested is temporarily down for maintenance or an unexpected outage.
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Nearby

Areal Flood Warnings in Indiana, 2012Every areal flood warning 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.