Wind Advisory 3, NWS Indianapolis, IN

Bartholomew County, IN, Boone County, IN, Brown County, IN, Carroll County, IN, Clay County, IN, Clinton County, IN, Daviess County, IN, Decatur County, IN, Delaware County, IN, Fountain County, IN, Greene County, IN, Hamilton County, IN, Hancock County, IN, Hendricks County, IN, Henry County, IN, Howard County, IN, Jackson County, IN, Jennings County, IN, Johnson County, IN, Knox County, IN, Lawrence County, IN, Madison County, IN, Marion County, IN, Martin County, IN, Monroe County, IN, Montgomery County, IN, Morgan County, IN, Owen County, IN, Parke County, IN, Putnam County, IN, Randolph County, IN, Rush County, IN, Shelby County, IN, Sullivan County, IN, Tippecanoe County, IN, Tipton County, IN, Vermillion County, IN, Vigo County, IN, Warren County, IN

572 
WWUS73 KIND 140141
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
941 PM EDT Thu Mar 13 2025

INZ021-028>031-035>049-051>057-060>065-067>072-140945-
/O.CON.KIND.WI.Y.0003.250314T2100Z-250315T2000Z/
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 Brazil, Washington, Vincennes,
Greensburg, Greenfield, Montezuma, Anderson, New Castle,
Danville, Franklin, Shoals, Mitchell, Greenwood, Farmland, Union
City, Noblesville, Flora, Lafayette, Attica, Indianapolis,
Covington, Muncie, Winchester, Plainfield, Delphi, Sullivan,
Terre Haute, Bedford, Rockville, Spencer, Martinsville, Gosport,
Farmersburg, Bloomfield, Linton, Fishers, Carlisle, Carmel,
Parker City, Loogootee, Fairview Park, Brownsburg, Rosedale,
Shelburn, North Vernon, Rushville, Bloomington, Worthington,
Frankfort, Kokomo, Greencastle, Clinton, Lebanon, Seymour,
Crawfordsville, Williamsport, Zionsville, West Lebanon,
Mooresville, Jasonville, Columbus, Shelbyville, Tipton,
Nashville, West Lafayette, and Veedersburg
941 PM EDT Thu Mar 13 2025

...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM FRIDAY TO 4 PM EDT 
SATURDAY...

* WHAT...South winds 20 to 30 mph with gusts of 45 to 55 mph 
  expected.

* WHERE...All of central Indiana.

* WHEN...From 5 PM Friday to 4 PM EDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

* ADDITIONAL DETAILS...Higher gusts possible within showers and 
  thunderstorms overnight Friday into early Saturday.

There may be a low fire weather risk late Friday afternoon and 
evening with increasing winds and relative humidity values falling 
below 30 percent.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

50

550 
WWUS73 KIND 140659
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
259 AM EDT Fri Mar 14 2025

INZ021-028>031-035>049-051>057-060>065-067>072-141500-
/O.CON.KIND.WI.Y.0003.250314T2100Z-250315T2000Z/
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 Brownsburg, Washington, Crawfordsville,
Linton, Rosedale, Bloomington, Williamsport, Rushville, Mitchell,
Nashville, Shelbyville, Fairview Park, Lafayette, Greensburg,
Indianapolis, Lebanon, Farmersburg, Montezuma, Brazil, Spencer,
Franklin, Plainfield, Bloomfield, Greencastle, Farmland, Attica,
Gosport, Veedersburg, Greenwood, Bedford, West Lafayette,
Greenfield, Mooresville, Parker City, Worthington, Clinton, New
Castle, Jasonville, Seymour, Anderson, Winchester, Delphi,
Loogootee, Sullivan, Columbus, Terre Haute, Carlisle, Tipton,
Flora, Rockville, Shoals, Martinsville, North Vernon, Carmel,
Danville, West Lebanon, Muncie, Zionsville, Frankfort, Covington,
Vincennes, Kokomo, Union City, Noblesville, Shelburn, and Fishers
259 AM EDT Fri Mar 14 2025

...WIND ADVISORY REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 4 PM 
EDT SATURDAY...

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph expected.

* WHERE...Portions of central, east central, north central, south 
  central, southeast, southwest, and west central Indiana.

* WHEN...From 5 PM this afternoon to 4 PM EDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

MK

627 
WWUS73 KIND 141359
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
959 AM EDT Fri Mar 14 2025

INZ021-028>031-035>049-051>057-060>065-067>072-142200-
/O.EXT.KIND.WI.Y.0003.250314T2300Z-250315T2000Z/
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 Indianapolis, Winchester, Tipton,
Montezuma, Jasonville, Bedford, Bloomington, Greenwood, Flora,
Greencastle, Nashville, Sullivan, Farmersburg, Shoals, Fairview
Park, Veedersburg, Noblesville, Brownsburg, Greensburg, Brazil,
Bloomfield, Crawfordsville, Covington, Plainfield, Greenfield,
Kokomo, Gosport, Rushville, Clinton, Martinsville, Carlisle,
Shelbyville, Worthington, Columbus, Vincennes, Fishers, Danville,
Williamsport, Carmel, Shelburn, Terre Haute, Washington,
Mooresville, Zionsville, Anderson, Lebanon, Parker City, New
Castle, Delphi, Loogootee, West Lebanon, Spencer, Attica,
Rosedale, Seymour, Frankfort, Franklin, West Lafayette, Linton,
Rockville, Muncie, Lafayette, North Vernon, Mitchell, Union City,
and Farmland
959 AM EDT Fri Mar 14 2025

...WIND ADVISORY NOW IN EFFECT FROM 7 PM THIS EVENING TO 4 PM EDT 
SATURDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 50 to 55 mph 
  expected.

* WHERE...Portions of central, east central, north central, south 
  central, southeast, southwest, and west central Indiana.

* WHEN...From 7 PM this evening to 4 PM EDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

Ryan

225 
WWUS73 KIND 141922
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
322 PM EDT Fri Mar 14 2025

INZ021-028>031-035>049-051>057-060>065-067>072-150330-
/O.CON.KIND.WI.Y.0003.250314T2300Z-250315T2000Z/
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 Rockville, Delphi, Montezuma, Carlisle,
Clinton, Terre Haute, Bedford, Farmland, Noblesville, Greenwood,
Indianapolis, Nashville, Parker City, Lebanon, Anderson, Union
City, Veedersburg, Plainfield, Gosport, Linton, Shelburn,
Sullivan, Worthington, Greensburg, Loogootee, Rushville,
Franklin, Washington, Frankfort, Flora, Shelbyville, Greencastle,
Martinsville, New Castle, Vincennes, Rosedale, Brazil, West
Lafayette, Spencer, Tipton, Muncie, Brownsburg, Bloomington,
Farmersburg, Kokomo, Danville, Carmel, North Vernon,
Williamsport, Winchester, Mooresville, Zionsville, West Lebanon,
Jasonville, Covington, Mitchell, Attica, Greenfield, Bloomfield,
Seymour, Columbus, Crawfordsville, Fairview Park, Shoals,
Lafayette, and Fishers
322 PM EDT Fri Mar 14 2025

...WIND ADVISORY REMAINS IN EFFECT FROM 7 PM THIS EVENING TO 4 PM 
EDT SATURDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 50 to 55 mph 
  expected.

* WHERE...All of central Indiana.

* WHEN...From 7 PM this evening to 4 PM EDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

50

243 
WWUS73 KIND 150115
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
915 PM EDT Fri Mar 14 2025

INZ021-028>031-035>049-051>057-060>065-067>072-151315-
/O.CON.KIND.WI.Y.0003.000000T0000Z-250315T2000Z/
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 Bedford, West Lebanon, Lebanon,
Bloomington, Mooresville, Kokomo, North Vernon, Carmel, Sullivan,
Winchester, Veedersburg, New Castle, Greenwood, Parker City,
Rockville, Martinsville, Franklin, Nashville, Indianapolis,
Attica, Montezuma, Terre Haute, Williamsport, Brownsburg, Brazil,
Rushville, Flora, Mitchell, Shoals, Columbus, Spencer, Danville,
Bloomfield, Tipton, Loogootee, Union City, Greencastle,
Shelbyville, Clinton, Fishers, Zionsville, Rosedale,
Crawfordsville, Noblesville, Muncie, Fairview Park, Seymour,
Lafayette, Jasonville, Farmland, Vincennes, Worthington, Gosport,
Carlisle, Farmersburg, Anderson, Frankfort, Covington, Shelburn,
West Lafayette, Linton, Greenfield, Washington, Greensburg,
Delphi, and Plainfield
915 PM EDT Fri Mar 14 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT SATURDAY...

* WHAT...South winds 25 to 35 mph with gusts up to 50 mph.

* WHERE...Portions of central, east central, north central, south 
  central, southeast, southwest, and west central Indiana.

* WHEN...Until 4 PM EDT Saturday.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

AGM

339 
WWUS73 KIND 150650
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
250 AM EDT Sat Mar 15 2025

INZ021-028>031-035>049-051>057-060>065-067>072-151500-
/O.CON.KIND.WI.Y.0003.000000T0000Z-250315T2000Z/
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 Gosport, Farmersburg, Anderson,
Rockville, Brazil, Mooresville, Rushville, Columbus, Washington,
New Castle, Lebanon, Delphi, Carmel, Union City, Rosedale,
Bloomington, Linton, Shoals, Carlisle, Farmland, Brownsburg,
Nashville, Loogootee, Muncie, Covington, Danville, Jasonville,
Tipton, Winchester, West Lebanon, Kokomo, Zionsville, Mitchell,
Montezuma, Attica, Parker City, Plainfield, Bedford, Shelbyville,
North Vernon, Seymour, Franklin, Greensburg, Worthington, Terre
Haute, Sullivan, Indianapolis, Fishers, Bloomfield, Veedersburg,
Shelburn, Noblesville, Clinton, Lafayette, Frankfort, Greenwood,
Martinsville, West Lafayette, Williamsport, Fairview Park,
Crawfordsville, Flora, Greencastle, Greenfield, Vincennes, and
Spencer
250 AM EDT Sat Mar 15 2025

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 PM EDT THIS AFTERNOON...

* WHAT...South winds 20 to 30 mph with gusts up to 50 mph.

* WHERE...Portions of central, east central, north central, south 
  central, southeast, southwest, and west central Indiana.

* WHEN...Until 4 PM EDT this afternoon.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

MK

250 
WWUS73 KIND 151309
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
909 AM EDT Sat Mar 15 2025

INZ021-028>031-035>049-051>057-060>065-067>072-152115-
/O.EXT.KIND.WI.Y.0003.000000T0000Z-250315T2300Z/
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 Noblesville, Greenfield, Carlisle,
Rosedale, Washington, Rushville, Winchester, Farmland,
Williamsport, Vincennes, Brownsburg, Covington, Martinsville,
Greenwood, Carmel, Terre Haute, Worthington, Danville,
Bloomington, Seymour, Shelbyville, Mooresville, Jasonville,
Plainfield, Loogootee, Franklin, Greensburg, Frankfort, New
Castle, Mitchell, Tipton, Columbus, Gosport, Fishers, Sullivan,
Lebanon, Farmersburg, Indianapolis, North Vernon, Montezuma,
Delphi, Muncie, Spencer, Nashville, Lafayette, Kokomo, Clinton,
Fairview Park, West Lebanon, Rockville, Flora, Union City,
Brazil, Shelburn, West Lafayette, Shoals, Greencastle, Bedford,
Attica, Bloomfield, Parker City, Crawfordsville, Zionsville,
Anderson, Linton, and Veedersburg
909 AM EDT Sat Mar 15 2025

...WIND ADVISORY NOW IN EFFECT UNTIL 7 PM EDT THIS EVENING...

* WHAT...South winds 20 to 30 mph with gusts up to 45 to 50 mph.

* WHERE...Portions of central, east central, north central, south 
  central, southeast, southwest, and west central Indiana.

* WHEN...Until 7 PM EDT this evening.

* IMPACTS...Gusty winds will blow around unsecured objects. Tree 
  limbs could be blown down and a few power outages may result.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Winds this strong can make driving difficult, especially for high 
profile vehicles. Use extra caution.

Secure outdoor objects.

&&

$$

Ryan

773 
WWUS73 KIND 152204
NPWIND

URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
604 PM EDT Sat Mar 15 2025

INZ021-028>031-035>049-051>057-060>065-067>072-152315-
/O.CAN.KIND.WI.Y.0003.000000T0000Z-250315T2300Z/
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 Fairview Park, New Castle, West Lebanon,
Frankfort, Tipton, Shelburn, Linton, Jasonville, Worthington,
Vincennes, Parker City, Flora, Kokomo, Carmel, Martinsville,
Rushville, Gosport, Spencer, Shelbyville, Anderson, Winchester,
Terre Haute, Farmersburg, Delphi, Rosedale, Covington,
Crawfordsville, Franklin, Bedford, Rockville, Noblesville,
Brownsburg, Seymour, North Vernon, Sullivan, Mooresville,
Nashville, Greencastle, Loogootee, Indianapolis, Fishers, Union
City, Farmland, Carlisle, Bloomfield, Washington, Bloomington,
Attica, Zionsville, Plainfield, Lafayette, Clinton, Greenfield,
Greensburg, Brazil, Danville, Shoals, Lebanon, Muncie, Montezuma,
West Lafayette, Greenwood, Williamsport, Columbus, Veedersburg,
and Mitchell
604 PM EDT Sat Mar 15 2025

...WIND ADVISORY IS CANCELLED...

The threat has ended. Wind gusts around 35 mph will be possible into 
early evening.

$$

50

Area Forecast Discussion
National Weather Service Indianapolis IN
1005 AM EDT Thu Mar 13 2025

.KEY MESSAGES...

- Threat for fast-moving severe thunderstorms with damaging winds and
  isolated tornadoes Friday night into early Saturday

- Strong winds likely Friday through Saturday outside of storms,
  with frequent gusts Friday of 30-40 MPH, Friday night of 35-45 MPH,
  and Saturday 40-50 MPH

- Rainfall totals of 1 to 2 plus inches Friday night through Saturday
  night may produce localized flash and lowland river flooding

&&

.FORECAST UPDATE...
Issued at 1005 AM EDT Thu Mar 13 2025

No significant changes made to the forecast with this morning's
update. Satellite imagery and surface observations show mainly clear
skies over all of Central Indiana with a dry warm frontal boundary
stretched across Southern Indiana. This boundary will likely remain
across Southern and South Central Indiana through the day; however
not expecting a large south-north temperature gradient on either
side of the front by the afternoon. Ample sunshine and deep mixing
according to hi-res guidance will allow for temperatures to quickly
rise into the 70s for the entire region. With such a dry environment
in place, not too concerned with convective activity in the vicinity
of the front; however added 20 PoPs to Southern and SW portions of
the forecast area, mainly from Vincennes to Bedford to Greensburg
where a rogue shower or thunderstorm could develop later this
afternoon.

&&

.SHORT TERM (Today and tonight)...
Issued at 331 AM EDT Thu Mar 13 2025

Synopsis:

Surface analysis early this morning shows Low pressure over OK. A
warm front extended east from the low, stretching across Central MO,
Southern IL to southern Indiana and southern OH. Aloft, an upper low
was found over OK, pushing toward mainly zonal flow over IL and
Indiana. Farther upstream ridging was in place over the Rockies,
GOES16 shows high clouds over Indiana streaming within the zonal
flow aloft, while more clouds were found ahead of the approaching
upper low over the lower half of the Mississippi Valley. Radar shows
little precipitation with this upper low, as only a small line of
thunderstorms were found over LA.

Today -

Another pleasant and warm day and mostly clear night is expected
across Central Indiana with above normal temperatures. Models show
the upper ridging and the upper low moving east. These two elements
will help pull the surface warm front north to Central Indiana
today. Again, this front remains moisture starved as forecast
soundings remain dry through the day and mid levels show subsidence.
The upper low passing across the deep south may allow for a bit more
cloud cover across southern parts of the forecast area, but overall
mostly sunny to partly cloudy skies will work well. 850Mb temps
remain changed little today as compared to yesterday. Thus we expect
similar high temperatures, near persistence, with lower 70s north to
the mid 70s south.

Tonight -

Models tonight push the upper low out to the Atlantic while ridging
builds aloft over the Ohio Valley and Great Lakes. Meanwhile, our
next system for Friday night will be pushing across the 4 corners
area in the American SW. The ridging aloft over Indiana will lead to
another quiet and warm night across Central Indiana as forcing is
not available. Deepening strong surface low pressure over the plains
states will also help to push the warm farther north on
southeasterly winds also resulting in an increasing surface pressure
gradient. Again forecast soundings show a dry column with a lower
level inversion in place. All of this will add up to mostly clear
skies and a mild night with lows in the upper 40s and lower 50s.

&&

.LONG TERM (Friday through Wednesday)...
Issued at 331 AM EDT Thu Mar 13 2025

- THREAT FOR SEVERE THUNDERSTORMS FRIDAY NIGHT INTO EARLY SATURDAY

- THREAT FOR STRONG GRADIENT WIND GUSTS FRIDAY NIGHT INTO SATURDAY
  AFTERNOON

Friday through Saturday Night -

SEVERE THREAT

The most significant concern during the long term is the severe
threat late Friday night into early Saturday morning. At this time,
the highest threat for severe storms appears to be in the midnight
to 6 AM time frame across central Indiana.

Low level and deep layer shear will not be in question whatsoever,
with off-the-charts progs for both. As is frequently the case this
time of year, instability may be the primary limiting factor,
particularly given the diurnal timing - though with strongly forced
convective systems w/ ongoing theta e advection, these limiting
factors can be sometimes be overcome with ease. Additionally,
guidance tends to struggle with eastward persistence of overnight
convection, particularly in this part of the country.

The most likely scenario at this time is explosive thunderstorm
development to our west/southwest Friday afternoon, quickly
coalescing into a severe QLCS and racing northeastward toward the
area during the evening and crossing the region late Friday night.
While some weakening should occur as it does so, the system may
arrive on our doorstep extremely strong, and capable of widespread
damaging winds (perhaps some significant swaths) and a few
tornadoes. Storm motions of perhaps 60-70 MPH will be possible if
not likely.

The uncertainties are with respect to the exact timing of the system
(earlier arrival would likely mean greater strength and eastward
persistence) and location of the most intense portion of the system -
but nonetheless, a threat for dangerous overnight severe storms will
exist for central Indiana late Friday night.

HYDROLOGIC CONCERN

Heavy rain will certainly be a threat given precipitable water
values expected to be near climatological maximum for the time of
year, but the aforementioned rapid storm motion will limit this
concern with the first round.

A lull in precipitation appears likely Saturday morning, with
secondary cyclogenesis to our southwest over the mid Mississippi
valley during the day on Saturday ahead of another upper level wave
in the larger upper trough. Guidance trends in recent days have
pulled this a bit further west, posing at least some threat for
additional thunderstorms and heavy rain/flooding in the lower Ohio
Valley Saturday afternoon into Saturday evening. At this time, the
most significant portion of this threat looks to be concentrated
further to our south, but southeastern portions of central Indiana
are not entirely out of the woods here, either, and the hydrologic
situation will merit monitoring in the wake of round one, and as
round two develops Saturday.

Total rainfall amounts ranging from near an inch to over 2 inches
from Friday night into Saturday night appear likely at this time,
with the highest amounts southeast, and hydrologic ensembles do show
at least chances for widespread bankfull conditions and a few areas
of lowland flooding in southern and southwest central Indiana, in
addition to the localized flash flood threat, which is handled well
by day 3/4 marginal excessive rainfall risks from WPC.

GRADIENT WIND THREAT

As for gradient winds, plentiful deep mixing in the boundary layer
on a very warm Friday will promote easy momentum transfer from
fairly strong flow not far off the surface owing to the potency of
the intense mid-latitude cyclone moving out of the central Plains
toward the upper Midwest. Sustained southerly winds of 15-25 MPH
with frequent gusts of 30-40 MPH at times, particularly in the
afternoon when mixing is at its deepest, are likely, with isolated
higher gusts.

Friday night into Saturday, low to midlevel flow will continue to
intensify, with a low level jet as strong as 60-70KT overspreading
the area overnight, decreasing a bit to 45-50KT Saturday. 50KT flow
is possible within 1000-1500 feet AGL per GFS soundings, which not
only contributes to the significant concern for damaging winds, but
also the gradient wind threat as well.

Though diurnal influences would generally tend to temper momentum
transfer overnight, the intensity of the flow and continued warm
advection will likely severely hamper any tendency for deeper near
surface stabilization, and gusts outside of thunderstorms will
likely continue. Sustained winds of 20-25 MPH with frequent gusts of
35-45 MPH are likely.

As we move into Saturday, particularly through the early afternoon
hours before low level flow weakens significantly, sustained winds
will likely be 20-30 MPH with frequent gusts of 40-50 MPH.

Locally higher gusts will be possible throughout this time frame,
and isolated gradient wind gusts of 55-60 MPH cannot be entirely
ruled out, mainly Friday night into early Saturday.

Sunday Onward -

The last lingering showers should be clearing out of the area early
Sunday, with dry weather expected through at least Tuesday night as
upper level ridging downstream of another potent upper level trough
builds over the region. A brief cooldown late in the weekend will
quickly see temperatures return to well above normal early to mid
work week.

&&

.AVIATION (12Z TAF Issuance)...
Issued at 700 AM EDT Thu Mar 13 2025

Impacts:

- None

Discussion:

VFR conditions are expected throughout the period, with some passing
high clouds as an upper level wave moves to our south. There is a
very low chance for a shower at BMG but far too low to mention.

Winds will be generally light and variable or from 070-080 degrees
early in the period, becoming more from 110-130 degrees late this
morning onward. Speeds will be less than 10KT throughout the period.

No obstructions to visibility are expected through the period.

&&

.IND WATCHES/WARNINGS/ADVISORIES...
None.
&&

UPDATE...CM
SHORT TERM...Puma
LONG TERM...Nield
AVIATION...Nield

Hazardous Weather Outlook
National Weather Service Indianapolis IN
330 AM EDT Thu Mar 13 2025

INZ021-028>031-035>049-051>057-060>065-067>072-140730-
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-
330 AM EDT Thu Mar 13 2025

This hazardous weather outlook is for central Indiana.

.DAY ONE...Today and Tonight.

No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Strong to severe thunderstorms are possible Friday night into
Saturday. Damaging straight line winds and large hail are the main
threats. Isolated tornadoes cannot be ruled out.

In addition to the thunderstorms, gusty winds of up to 35 mph
expected Friday and Friday night with gusts up to 50 mph Saturday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today or tonight.

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

JP