Alert archive / Indiana / Areal Flood Warnings in 2017

Areal Flood Warning 71, NWS Indianapolis, IN

July 22, 2017Clinton County, Tippecanoe County, Indiana

NWS Indianapolis, IN issued this areal flood warning at Jul 22, 2017, 4:40 AM EDT for Clinton County, Tippecanoe County, Indiana. It was in force for 3 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
Jul 22, 2017, 4:40 AM EDT (08:40 UTC)
Expired
Jul 22, 2017, 7:45 AM EDT
In force
3 hr
Issued by
NWS Indianapolis, IN
Area
Storm-based polygon
Flood severity
None

Counties Clinton County, IN, Tippecanoe County, IN

The radar

The Indianapolis radar (KIND), 79 km from the middle of the area, began a volume at 08:44 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, 8.7 hours before the alert went out and 164 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 2017-07-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2094 joules per kilogram.LCLEL10008507005003002001001 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 2017-07-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 57 square meters per square second.1939Sfc1 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
2094 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1572 m above ground
0-6 km bulk shear
25 kt
0-1 km storm-relative helicity
57 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.2
Supercell composite
6.5

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 Jul 22, 3:38 AM EDT, 1 hour 2 minutes earlier.

Area forecast discussion, Jul 22, 3:38 AM EDT, 1 hour 2 minutes before
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Hazardous weather outlook, Jul 21, 4:49 PM EDT, 11 hours 51 minutes before
Hazardous Weather Outlook
National Weather Service Indianapolis IN
449 PM EDT Fri Jul 21 2017

INZ021-028-029-222100-
Carroll-Warren-Tippecanoe-
Including the city of Lafayette
449 PM EDT Fri Jul 21 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Tonight.

Outlook: There is an ENHANCED RISK for Severe storms tonight.

Hazards: Damaging winds, heavy rain and localized flooding, isolated
tornadoes, large hail, and lightning.

Timing: ANytime...but best chances for severe storms after 1100 PM

Discussion: Upper level disturbances will interact with hot and humid
air to produce some thunderstorms.

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

Outlook: Thunderstorm activity is possible at times through Monday.
Scattered severe storms will be possible Saturday. Damaging winds
and large hail, along with heavy rainfall producing flash flooding,
are the primary threats.

Hot and humid conditions will be the rule into the weekend. Maximum
heat index values from around 95 to near 105 can be expected through
Saturday.

Discussion: Hot air will remain across central Indiana into the
weekend. A front along with upper level disturbances will bring
thunderstorm chances to all or parts of the area at times through the
weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible through Saturday night.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

INZ030-031-035>049-222100-
Clinton-Howard-Fountain-Montgomery-Boone-Tipton-Hamilton-Madison-
Delaware-Randolph-Vermillion-Parke-Putnam-Hendricks-Marion-Hancock-
Henry-
Including the cities of Frankfort, Kokomo, Crawfordsville, Anderson,
Muncie, and Indianapolis
449 PM EDT Fri Jul 21 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Tonight.

Outlook: There is a SLIGHT RISK for severe storms this evening and
tonight.

Hazards: Damaging winds, heavy rain and localized flooding, isolated
tornadoes, large hail, and lightning.

Timing: Anytime this evening, but the best chances for severe storms
will after 1100 PM. Heat will be at its worst during the afternoon
and early evening.

Discussion: Upper level disturbances will interact with hot and humid
air to produce some thunderstorms. Heat index values will top out in
the upper 90s to low 100s.

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

Outlook: Thunderstorm activity is possible at times through Monday.
Scattered severe storms will be possible Saturday. Damaging winds
and large hail, along with heavy rainfall producing flash flooding,
are the primary threats.

Hot and humid conditions will be the rule into the weekend. Maximum
heat index values from around 95 to near 105 can be expected through
Saturday.

Discussion: Hot air will remain across central Indiana into the
weekend. A front along with upper level disturbances will bring
thunderstorm chances to all or parts of the area at times through the
weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible through Saturday night.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

INZ051>057-060>065-067>072-222100-
Vigo-Clay-Owen-Morgan-Johnson-Shelby-Rush-Sullivan-Greene-Monroe-
Brown-Bartholomew-Decatur-Knox-Daviess-Martin-Lawrence-Jackson-
Jennings-
Including the cities of Terre Haute, Shelbyville, Bloomington,
Columbus, Vincennes, Bedford, and Seymour
449 PM EDT Fri Jul 21 2017

This hazardous weather outlook is for central Indiana.

.DAY ONE...Tonight.

Outlook: Thunderstorms will be possible at times mainly this
evening and tonight. A few severe storms will be possible. Hot
conditions expected this afternoon. A heat advisory is in effect for
parts of southern Central Indiana.

Hazards: Damaging winds, heavy rain and localized flooding,
lightning, heat and heat related illnesses.

Timing: Storms will be a threat throughout the period, but the best
chances for severe storms will be during the late evening and
overnight hours. Heat will be at its worst during the afternoon and
early evening.

Discussion: Upper level disturbances will interact with hot and humid
air to produce some thunderstorms. Heat index values will top out
from 105-110 degrees.

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

Outlook: Thunderstorm activity is possible at times through Monday.
Scattered severe storms will be possible Saturday. Damaging winds
and large hail, along with heavy rainfall producing flash flooding,
are the primary threats.

Hot and humid conditions will be the rule into the weekend. Maximum
heat index values from around 105 to near 110 can be expected
through Saturday.

Discussion: Hot air will remain across central Indiana into the
weekend. A front along with upper level disturbances will bring
thunderstorm chances to all or parts of the area at times through the
weekend.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is possible through Saturday night.

&&

More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind

PUMA

In the hours before

Local storm report, Jul 22, 12:43 AM EDT, 3 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
1243 AM EDT SAT JUL 22 2017

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

1214 AM     TSTM WND DMG     EDGEWOOD                40.11N 85.74W
07/22/2017                   MADISON            IN   PUBLIC

            POWER POLES DOWNED IN EDGEWOOD. REPORTED VIA
            TWITTER.

&&
Special weather statement, Jul 22, 12:45 AM EDT, 3 hours 55 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
1245 AM EDT SAT JUL 22 2017

INZ040-041-220530-
Madison IN-Delaware IN-
1245 AM EDT SAT JUL 22 2017

...SIGNIFICANT WEATHER ADVISORY FOR EAST CENTRAL MADISON AND NORTHERN
DELAWARE COUNTIES UNTIL 130 AM EDT...

At 1245 AM EDT, Doppler radar was tracking a strong thunderstorm 7
miles east of Alexandria, or 8 miles northwest of Muncie, moving
northeast at 25 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Muncie, Albany, Eaton and Gaston.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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.

&&

LAT...LON 4017 8555 4026 8566 4038 8554 4038 8522
      4030 8522
TIME...MOT...LOC 0445Z 228DEG 21KT 4025 8554

NIELD
Local storm report, Jul 22, 3:11 AM EDT, 1 hour 29 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
311 AM EDT SAT JUL 22 2017

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

0230 AM     TSTM WND DMG     LAFAYETTE               40.41N 86.87W
07/22/2017                   TIPPECANOE         IN   LAW ENFORCEMENT

            NUMEROUS TREES DOWN IN MULTIPLE PORTIONS OF
            THE COUNTY PER TIPPECANOE COUNTY SHERIFF.

&&
Local storm report, Jul 22, 3:19 AM EDT, 1 hour 21 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN
319 AM EDT SAT JUL 22 2017

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

0318 AM     TSTM WND GST     THORNTOWN               40.13N 86.61W
07/22/2017  E60 MPH          BOONE              IN   TRAINED SPOTTER

            REPORTED VIA TWITTER.

&&
Special weather statement, Jul 22, 3:44 AM EDT, 56 minutes before
Special Weather Statement
National Weather Service Indianapolis IN
344 AM EDT SAT JUL 22 2017

INZ037-039-040-046>048-220900-
Hendricks IN-Madison IN-Boone IN-Hancock IN-Hamilton IN-Marion IN-
344 AM EDT SAT JUL 22 2017

...SIGNIFICANT WEATHER ADVISORY FOR SOUTHERN MADISON...HANCOCK...
NORTHEASTERN HENDRICKS...MARION...EASTERN BOONE AND HAMILTON COUNTIES
UNTIL 500 AM EDT...

At 344 AM EDT, Doppler radar was tracking a strong thunderstorm 7
miles east of Lebanon, or 18 miles southeast of Frankfort, moving
southeast at 35 mph.

Wind gusts up to 50 mph will be possible with this storm.

Locations impacted include...
Indianapolis, Anderson, Carmel, Fishers, Noblesville, Lawrence,
Brownsburg, Greenfield, Lebanon, Beech Grove, Zionsville, Speedway,
Southport, Westfield, Cumberland, McCordsville, Pendleton, Fortville,
Whitestown and Sheridan.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.

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.

&&

A severe thunderstorm watch remains in effect until 700 AM EDT for
central Indiana.

LAT...LON 4001 8558 3999 8558 3971 8566 3970 8577
      3970 8595 3968 8595 3966 8614 3997 8652
      4017 8636
TIME...MOT...LOC 0744Z 293DEG 31KT 4005 8634

NIELD

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 22, 12:45 AM EDTSpecial Weather StatementINDDelaware45 min
Jul 22, 1:57 AM EDTSevere Thunderstorm WarningINDCarroll, Clinton, Fountain, Montgomery, Tippecanoe, Warren48 min
Jul 22, 2:45 AM EDTSevere Thunderstorm WarningINDBoone, Carroll, Clinton, Fountain, Howard, Montgomery and 2 more60 min
Jul 22, 3:44 AM EDTSpecial Weather StatementINDHamilton, Hancock, Marion76 min
Jul 22, 4:29 AM EDTSevere Thunderstorm WarningINDDelaware, Henry, Randolph46 min
Jul 22, 5:37 AM EDTAreal Flood WarningINDClinton, Hamilton, Tipton3 hr
Jul 22, 8:14 AM EDTRiver Flood WarningINDTippecanoe32 hr
Jul 22, 11:04 AM EDTRiver Flood WarningINDClinton, Tippecanoe20 hr
Jul 22, 11:04 AM EDTRiver Flood WarningINDFountain, Parke, Tippecanoe, Vermillion, Warren4 days
Jul 22, 11:04 AM EDTRiver Flood WarningINDFountain, Parke, Vermillion, Warren5 days
Jul 22, 11:04 AM EDTRiver Flood WarningINDParke, Vermillion, Vigo6 days
Jul 22, 11:04 AM EDTRiver Flood WarningINDSullivan, Vigo6 days
Jul 22, 7:33 PM EDTSpecial Weather StatementINDVigo27 min

Nearby

Areal Flood Warnings in Indiana, 2017Every areal flood warning 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.