Prolonged moderate to heavy rainfall occurred from the morning into the early afternoon of July the 30th. This heavy rainfall caused some localized flooding in Terre Haute.
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Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
The episode as NWS IND wrote it up.
Prolonged moderate to heavy rainfall occurred from the morning into the early afternoon of July the 30th. This heavy rainfall caused some localized flooding in Terre Haute.
The local office's own words before the first event, 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 the first event at Jul 30, 9:25 AM EST, 2 hours 5 minutes earlier.
Area Forecast Discussion National Weather Service Indianapolis IN 1025 AM EDT Mon Jul 30 2018 .UPDATE... The AVIATION Section has been updated below. && .SYNOPSIS... Issued at 211 AM EDT Mon Jul 30 2018 Chances for rain are expected the next few days. An upper level weather disturbance will build push into the Ohio Valley today...spreading clouds and showers across Indiana. Tonight low pressure over the deep south is expected to strengthen and push northeast toward Indiana before passing across the state to the Great Lakes on Tuesday night. Rain chances will persist as this system passes through Tuesday Night. Some drier air is expected to arrive on Wednesday as weaker high pressure builds across the Ohio Valley. Warmer weather will return along with continued chances for showers in the second half of the work week into next weekend. && .NEAR TERM /Today/... Issued at 211 AM EDT Mon Jul 30 2018 Surface analysis early this morning shows Indiana caught between high pressure over NY/PA and broad low pressure centered over Mississippi. Cool easterly surface flow was in place with dew point temperatures in the middle 60s. Water Vapor imagery shows a broad trough in place across Illinois and Indiana...with a short wave exiting the state. Radar shows scattered light rain showers in place across Central Indiana. Favorable set-up for rain today. The GFS and NAM suggest the broad upper trough in place over the upper midwest and Ohio Valley will sharpen and deepen today. This will push the stronger short wave over KS and OK toward Arkansas and Mississippi...but also provide favorable lift across Indiana and Kentucky. Time heights show a saturated column with good lift today. Forecast soundings also showing a mostly saturated column with limited CAPE but favorable PWATS near 1.5 inches. Thus will trend pops at or above the forecast builder blends today. Given the air mass...rumbles of thunder cannot be ruled out but widespread thunderstorms are not expected...as instbility appears limited. Given the expected clouds and rain will trend highs at or below the forecast builder blends. && .SHORT TERM /Tonight through Wednesday Night/... Issued at 211 AM EDT Mon Jul 30 2018 The previously mentioned deep upper trough looks to be the main weather featured Tonight through Wednesday Morning. The GFS and NAM keep this sharp trough in place tonight and Tuesday...allowing several embedded short waves within the flow to pass across Indiana. Meanwhile at the surface the NAM and GFS suggest low pressure developing over Mississippi and passing across Indiana with the flow through Tuesday night. Again, forecast soundings and time heights show a saturated air mass...with best lift Tonight...and weaker lift on Tuesday. Thus will trend toward highest pops tonight as best forcing arrives with the digging trough and approaching low. Time heights fail to show much in the way of strong lift on Tuesday...but the lowest levels remain saturated as broad lift will remain in place as the surface low passes. Thus precip on Tuesday and Tuesday night should be lighter. Will stick close to Forecast Builder pops here due to the lack of a strong forcing signal at this point. As for temps will trend highs cooler due to clouds and lows warmer than the forecast builder. By Wednesday and Wednesday Night the models suggest the surface low reaching the Great Lakes and flow become more northwesterly. Forecast soundings respond with a much drier column arriving. ALoft the upper level trough axis exits to the east...indicating an area favorable for subsidence to arrive. Thus will try and trend pops at or below the forecast builder blends at that point. && .LONG TERM /Thursday through Sunday/... Issued at 243 AM EDT Mon Jul 30 2018 The models seem to have agreement in that a general weak trough will be over the Ohio Valley region during the period, so a blend was accepted for the forecast. Which leads to more of a period where there is a chance for thunderstorms in northern sections as a weak surface trough moves through Friday, then over the southeastern half Saturday afternoon as the trough moves through the rest of the area. It looks like the best signal for rain and thunderstorms will be on the increase Sunday afternoon as a southwesterly flow moves into the area ahead of a low that is forecast over the Plains. Temperatures are foreceast to be around normal for the period with highs in the middle 80s and lows in the low-mid 60s. && .AVIATION /Discussion for the 30/1500Z IND TAF Update/... Issued at 1025 AM EDT Mon Jul 30 2018 Pulled VCTS due to lack of an recent strikes. Also, although brief IFR conditions can not be ruled out in the heavier showers, improved conditions to MVFR based on latest trends. Previous discussion follows... Issued at 622 AM EDT Mon Jul 30 2018 Latest surface analysis shows low pressure developing over the southern parts of the Mid Mississippi Valley as low pressure over northeast Texas moves northeast into the Ohio Valley later today. This will bring MVFR and occasional IFR to much of the region through tonight. && .IND WATCHES/WARNINGS/ADVISORIES... NONE. && SYNOPSIS...Puma NEAR TERM...Puma SHORT TERM...Puma LONG TERM....DM AVIATION...DM/MK
Hazardous Weather Outlook National Weather Service Indianapolis IN 529 AM EDT Mon Jul 30 2018 INZ021-028>031-035>049-051>057-060>063-067-068-310930- 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-Knox-Daviess- Including the cities of Lafayette, Frankfort, Kokomo, Crawfordsville, Anderson, Muncie, Indianapolis, Terre Haute, Shelbyville, Bloomington, and Vincennes 529 AM EDT Mon Jul 30 2018 This hazardous weather outlook is for central Indiana. .DAY ONE...Today and Tonight. Outlook: Rain and possible thunderstorms are expected through tonight. Hazards: Lightning can be expected with any thunderstorm. Timing: Rain expected throughout the period. Thunderstorms possible after 4:00 p.m. Discussion: Low pressure southwest of Indiana will move into the Ohio Valley through tonight. Locally heavy rain is possible this afternoon and tonight. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Outlook: No hazardous weather is expected at this time. Discussion: Rain is expected through Tuesday and begin clearing out of region going into Wednesday. Warm and humid conditions are expected through Sunday. There is a chance for showers and thunderstorms Friday in northern sections, then sweeping southeast through the area Saturday afternoon. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated. && More information, along with other weather, hydrological and climate information can be found at http://weather.gov/ind INZ064-065-069>072-310930- Bartholomew-Decatur-Martin-Lawrence-Jackson-Jennings- Including the cities of Columbus, Bedford, and Seymour 529 AM EDT Mon Jul 30 2018 This hazardous weather outlook is for central Indiana. .DAY ONE...Today and Tonight. Outlook: Rain and possible thunderstorms are expected through tonight. Some thunderstorms could produce strong gusty winds and locally heavy rain. Hazards: Lightning is always expected with thunderstorms. There is a chance that thunderstorms could produce locally heavy rain. Timing: Throughout the period. Chance for thunderstorms this afternoon and tonight. Discussion: Low pressure will move northeast into the Ohio Valley today and tonight. There is a Marginal Risk for strong or severe thunderstorms with the main impact being strong gusty winds. Locally heavy rain is also expected as the low moves into the region later today and tonight. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Outlook: No hazardous weather is expected at this time. Discussion: Showers and a few thunderstorms are expected again on Tuesday, then begin moving out of the area early Wednesday. High pressure off the east coast will move into the area bringing back warm and humid air. There is a chance for showers Friday, but mostly on Saturday as a weak trough moves over the area. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated. && More information, along with other weather, hydrological and climate information can be found at http://weather.gov/ind
The national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
Some localized flooding was noted in Terre Haute due to heavy rainfall. Some lanes of local streets were not safely passable.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Indiana in 2018Every state in 2018This day in weather historyWarnings in Indiana, July 2018
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 777087.