Heavy rain caused flooding in southeast Mississippi.
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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 MOB wrote it up.
Heavy rain caused flooding in southeast Mississippi.
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 Mobile, AL wrote its last area forecast discussion before the first event at Jul 24, 5:33 AM CST, 1 hour 27 minutes earlier.
Area Forecast Discussion...UPDATED National Weather Service Mobile AL 633 AM CDT Mon Jul 24 2017 .DISCUSSION...Updated for latest aviation discussion below. && .AVIATION... 12Z issuance...A chaotic look to the sky this morning with cloud bases at multiple, but higher levels. Some cb/tsra in the vicinity. Environment supports an increased coverage of convection this morning. Lowest bases in tsra mainly MVFR levels with vsby lowering to MVFR, potentially briefly to IFR levels with the passage of any heavier rainfall. Other threats to approaches/departures will be brief strong and erratic convective wind gusts today. /10 && .PREV DISCUSSION... /issued 409 AM CDT Mon Jul 24 2017/ NEAR TERM /Now Through Monday night/...Upper level map analysis shows a long-wave trof positioned from the Great Lakes, southward into the southeast. From the southeast US, a high level shear zone is oriented west southwest to the upper Texas coast. South of this feature, a narrow mid level ridge axis extends from the Bahamas, west into the Gulf. An assessment of deep layer moisture from area raobs at 24.00Z shows precipitable water values ranging from 1.9 to 2.1 inches over the central Gulf coast. The main driver for convection today will be the passage of a series of mid level impulses within the central Gulf coast upper level shear zone, acting on deep layer moisture and a destabilizing environment. A surface focus for storms will also come from interaction of mesoscale boundaries. Considering high levels of deep moisture, lift and instability thru the course of the day, scattered to numerous showers and storms is anticipated. This is consistent with solutions from short range guidance, ensembles, the high resolution HRRR and WRF-ARW. The stronger storms will be efficient in depositing locally heavy rains in a short period of time, brief strong wind gusts and frequent lightning. Could be some mainly nuisance type flooding in the usual low spots and poor drainage areas. Will carry over a chance of storms into the evening, then a gradual southward shift to the coast and offshore late in the night. With the higher coverage of rains expected today and thickening cloud cover, highs mostly in the mid to upper 80s. Overnight lows in the lower to mid 70s inland to mid to upper 70s coast. /10 SHORT TERM /Tuesday Through Wednesday night/...The upper longwave trough over the eastern CONUS squeezes south and east as a large area of high pressure builds northeast from the Four Corners region and into the central Plains. The squeezed trough serves as a source for a series of impulses that are pinched from the main flow and move southwest over the local area, around the eastern periphery of the Plains high circulation. These upper impulses will serve to enhance our otherwise typical summertime convection in an environment characterized by PWATs around or just above 2.0 inches and MLCAPEs around 2000 J/kg. Thus, have opted to keep likely PoPs over much of the area Tuesday afternoon and high-end chance Wednesday. Despite the help from these impulses, a diurnal trend in coverage and intensity should remain dominant, with more numerous and stronger storms occurring during afternoon hours and convection waning (but not ceasing entirely) during overnight hours. Stronger storms will be capable of producing frequent lightning, gusty winds, and locally heavy downpours. With the more numerous showers and storms (and associated cloud cover) during the short term period, high temps should remain somewhat in check, only reaching the upper 80's to around 90 for most areas Tuesday and Wednesday afternoons. Overnight lows will remain muggy, ranging from low to mid 70's inland to upper 70's along the immediate coast. /49 LONG TERM /Thursday Through Sunday/...The long term period is a battle between the strong upper high over the Great Plains and another deepening trough over the eastern CONUS. The GFS and Euro remain in general agreement in depicting a more amplified upper- level pattern setting up late this week into the weekend, with the Plains high shifting back towards the southwestern U.S. and a deep trough digging from the Great Lakes southward into the northern Gulf. If this solution holds true, we would see a return of more typical isolated to scattered summertime convection and hotter temps (low 90's with heat indices around 100 to 105) Thursday and Friday as the upper ridge extending eastward from the Great Plains rotates south over the local area. This would be followed by another round of cooler (upper 80's) and wetter weather over the weekend as the eastern CONUS trough digs south, pushing a weak front through the local area. /49 MARINE...A ridge of high pressure will gradually build across the central Gulf of Mexico this week. A light to moderate westerly wind component generally prevails. Winds, waves and seas locally higher with the passage of storms. Frequent lightning activity likely in and near any of the stronger marine storms. A few waterspouts possible as well. /10 && .MOB WATCHES/WARNINGS/ADVISORIES... AL...None. FL...None. MS...None. GM...None. && This product is also available on the web at: http://weather.gov/mob
Hazardous Weather Outlook National Weather Service Mobile AL 423 AM CDT Mon Jul 24 2017 ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-251200- Choctaw-Washington-Clarke-Wilcox-Monroe-Conecuh-Butler-Crenshaw- Escambia-Covington-Mobile Inland-Baldwin Inland-Mobile Central- Baldwin Central-Mobile Coastal-Baldwin Coastal-Escambia Inland- Escambia Coastal-Santa Rosa Inland-Santa Rosa Coastal- Okaloosa Inland-Okaloosa Coastal-Wayne-Perry-Greene-Stone-George- 423 AM CDT Mon Jul 24 2017 This Hazardous Weather Outlook is for portions of south central Alabama...southwest Alabama...northwest Florida and southeast Mississippi. .DAY ONE...Today and Tonight Storms are forecast to increase in coverage through the course of the day. The stronger storms will likely contain brief strong gusty winds and frequent lightning. Due to the high amount of atmospheric moisture, the potential exists for the stronger storms to also be efficient in depositing locally heavy rains in a short period of time. This may lead to some instances of mainly nuisance type flooding in the usual low spots and poor drainage areas. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Gusty winds, frequent lightning, and locally heavy rains can be expected with the stronger thunderstorms that develop each day. Away from storms, heat indices look to rise to a range of 100 to 105 degrees each afternoon. .SPOTTER INFORMATION STATEMENT... Activation of SkyWarn Severe Storm Spotter networks is not expected through Sunday. GMZ630>635-650-655-670-675-251200- Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound- Perdido Bay-Pensacola Bay System-Choctawhatchee Bay- Coastal waters from Pensacola FL to Pascagoula MS out 20 NM- Coastal waters from Destin to Pensacola FL out 20 NM- Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM- Waters from Destin to Pensacola FL from 20 to 60 NM- 423 AM CDT Mon Jul 24 2017 This Hazardous Weather Outlook is for portions of the coastal waters of Alabama and northwest Florida. .DAY ONE...Today and Tonight Winds, waves and seas locally higher with the passage of storms. Frequent lightning activity likely in and near any of the stronger marine storms with a few waterspouts possible as well. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday Winds, waves and seas locally higher with the passage of storms. Frequent lightning activity likely in and near any of the stronger marine storms with a few waterspouts possible as well.
The Mobile radar (KMOB), 89 km away, was scanning. The volume nearest the first event began at 13:02 UTC.
1 flash flood. Local standard time, as filed.
Slow moving thunderstorms produced heavy rain that produced widespread flooding across portions of Stone County. Several roads were closed across the western half of the county due to the heavy rain.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Mississippi in 2017Every state in 2017This day in weather historyWarnings in Mississippi, July 2017
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: 716629.