A slow moving thunderstorm caused street flooding near Mobile.
Every event with a place to put it. Tap one for its entry below.
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.
A slow moving thunderstorm caused street flooding near Mobile.
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 Aug 26, 5:43 AM CST, 5 hours 17 minutes earlier.
Area Forecast Discussion National Weather Service Mobile AL 643 AM CDT Mon Aug 26 2019 .DISCUSSION...Updated for latest aviation discussion below. && .AVIATION... 26/12Z issuance...Coverage and intensity of rain and embedded convection will increase this morning as a mid level shortwave moves closer to the forecast area from the west. Conditions are expected to remain at upper end MVFR or higher outside of rain and convection areas, though some near IFR conditions (CIGS and VSBY) will be possible near heavier showers and thunderstorms. Coverage of showers and storms will be most widespread over the western half of the area this morning, then moving east this afternoon. Chances for showers and a few storms continues overnight, possibly increasing in coverage toward daybreak Tuesday. Winds will generally be out of the south around 10, but more variable with stronger gusts near stronger convection. 12/DS && .PREV DISCUSSION... /issued 449 AM CDT Mon Aug 26 2019/ NEAR TERM /Now Through Monday night/...Weak surface high pressure ridging over the area from the northeast will weaken further through tonight as a mid/upper level shortwave axis centered just west of the area early this morning lifts east- northeast today and tonight. This mid/upper level feature will be weakening as it lifts across the area today, but will still provide enough dynamics to support likely showers and thunderstorms. No real locally noted low level features to focus on in the near term, but an extremely moist airmass will be in place with PWATs primarily in the 2.2 to 2.4 inch range. All of this moisture will be pooling up south of a weak stationary boundary stretching from northwest to southeast across Mississippi and Alabama. All of this will provide a continuation of a fairly unsettled weather pattern across the region in the near term period. Currently have some areas of rain and showers over the region, and High-Res models indicate a general increase in precipitation across the region through the morning hours, especially over the western half of the forecast area. By this afternoon, expect scattered to locally numerous showers and storms across the entire area. With the very moist airmass, still expect periods of heavy rain in some locations today. While heavy rainfall is possible across the entire area today, it will be most likely over the western half. After coordination with WPC and surrounding offices (LIX and JAN), we have adjusted our Slight Risk of excessive rainfall slightly to the west. it is over that area where rainfall totals of over 2 inches, locally 3 inches, will be possible today. Further east rainfall totals of 1 to 2 inches possible. We will not be issuing any Flash Flood Advisories, but it should be noted that rainfall rates will at times be supportive of localized flash flooding, especially over the western half of our forecast area. Severe potential in this environment remains low as the wind profile will be lacking in the needed shear, however MLCAPE values ranging from 1500-2500 J/kg will provided enough energy for some strong thunderstorms embedded within the widespread rain and showers. With the widespread clouds and precipitation expected today, highs will generally be in the low to mid 80s across most of the area, although a few upper 80s will be possible in some locations. Lows tonight will be in the lower 70s for most areas except along the coast, where mid to upper 70s are expected. 12/DS SHORT TERM /Tuesday Through Wednesday night/...Lead upper level trof axis aligned from the Appalachians, southwest across the MS Sound Tuesday morning de-amplifies a bit going thru the course of the day. Embedded in the trof axis, a stream of deep layer moisture characterized by PWATs between 2.0 and 2.2 inches remains in place. Main contributor to forcing/ascent for convective development will come from the passage of mid-level impulses thru the base of the upper trof position. The only surface contribution to lift looks to be weak mesoscale boundaries and perhaps a slow northeastward advance of a coastal sea-breeze. The more substantive surface boundaries will be to our northeast and northwest, with a warm front lifting northeast and weakening over the southeast and a front moving out of the southern Plains to thru the Mid-South late in the day Tuesday. Enough upper level support and high amounts of deep moisture suggests that showers and storms will be likely into Tuesday. To our north and west, long-wave upper trof amplifies as it ejects eastward out of the northern High Plains Tuesday night to across the Great Lakes Wednesday. Surface front makes steady progress approaching the northern zones Wednesday morning southeastward to near the coast by evening. Chance of showers/storms along the US Highway 84 corridor and more likely elsewhere Wednesday as the front approaches. Front moves off the coast Wednesday night with drier air in its wake bringing a reduction in rain chances. Gridded daily highs range 87 to around 91 Tuesday with similar numbers for Wednesday. Lows in the 70s Tuesday night trend lower Wednesday night due to frontal passage. May see several locations in the interior seeing lows settling into the mid to upper 60s. /10 LONG TERM /Thursday Through Sunday/...With front into the Gulf Thursday, a sunny and drier day expected. Medium range weather models show a narrow mid level ridge setting up from the southwest Atlantic into MS Friday and Saturday. In the evolving deeper level easterlies on the southern periphery of the ridge feature, a tap of Atlantic moisture is driven westward over the local area into the weekend. This in combination with a westward moving inverted trof axis over the Gulf brings a return to rain chances for the weekend. Highs range from the upper 80s to lower half of the 90s. Coolest night Thursday night with overnight lows sinking into the 60s for much of the area north of I-10. The lowest near 63 over the northwest zones north of a line from Grove Hill AL to Waynesboro MS. The cool down will be brief as overnight lows warm the remainder of the period. A look at the tropics, Tropical Storm Dorian is forecast by the National Hurricane Center (NHC) to impact the Greater Antille's island of Hispaniola as a hurricane early Thursday morning. The mountainous terrain will likely cause a disruption/weakening of Dorian's inner-core as it moves over the island. NHC forecasters keep enough of the inner-core intact though, forecasting a depression moving northwest through the southern Bahamas into the weekend. Will continue to keep a close eye on Dorian in the coming days. /10 MARINE...A light to moderate south to southwest flow is expected today through late Tuesday night or early Wednesday. Low pressure developing off the eastern seaboard will lift northeast through the week, allowing a cool front currently over the plains states to drop down toward the Gulf coast and then offshore into the northeastern Gulf by late Wednesday. With this frontal passage, a light to moderate northwest to northerly flow is expected late in the week. Seas build slightly around midweek, up to 2 to 3 feet well offshore but in general will be 2 feet or less through the period. Periods of showers and thunderstorms can be expected over the coastal waters through the period as well. 12/DS && .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 527 AM CDT Mon Aug 26 2019 ALZ051>060-261>266-FLZ201>206-MSZ067-075-076-078-079-271030- 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- 527 AM CDT Mon Aug 26 2019 This Hazardous Weather Outlook is for south central Alabama, southwest Alabama, northwest Florida and southeast Mississippi. .DAY ONE...Today and Tonight. Scattered to locally numerous showers and thunderstorms are expected over the area again today and tonight. Due to a very moist airmass in place over the region, rainfall rates could be supportive of localized flash flooding, especially over the western half of the forecast area. A few storms will be capable of producing strong gusty winds, frequent cloud to ground lightning strikes. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Scattered to numerous showers and thunderstorms will continue each day Tuesday and Wednesday, with locally heavy rainfall still possible. Localized flooding of urban and low lying areas will continue. Some storms could also be capable of producing strong gusty winds and frequent lightning. Rain chances will decrease late in the week as a cold front drops south across the region and into the northern Gulf. .SPOTTER INFORMATION STATEMENT... Spotter activation is not expected at this time. GMZ630>636-650-655-670-675-271030- Northern Mobile Bay-Southern Mobile Bay-Mississippi Sound- Perdido Bay-Pensacola Bay System-Western Choctawhatchee Bay- Eastern Choctawhatchee Bay- Coastal waters from Pensacola FL to Pascagoula MS out 20 NM- Coastal waters from Okaloosa Walton County Line FL to Pensacola FL out 20 NM-Waters from Pensacola FL to Pascagoula MS from 20 to 60 NM- Waters from Okaloosa Walton County Line FL to Pensacola FL from 20 to 60 NM- 527 AM CDT Mon Aug 26 2019 This Hazardous Weather Outlook is for the coastal waters of Alabama and northwest Florida. .DAY ONE...Today and Tonight. A light to sometimes moderate onshore wind flow will continue through tonight. Scattered to numerous showers and thunderstorms over the marine area today and tonight will create locally higher winds and seas which could be hazardous to small craft. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. The light to moderate onshore flow is expected to continue through Wednesday, but become offshore and possibly increasing to Exercise Caution levels for small craft for a brief time on Thursday. Scattered to occasionally numerous showers and thunderstorms will continue to create locally higher winds and seas that may be hazardous to small craft. Chances for showers and storms decrease late week as a cold front drops south into the marine area.
Special Weather Statement
National Weather Service Mobile AL
926 AM CDT Mon Aug 26 2019
ALZ264-266-261515-
Baldwin Coastal AL-Baldwin Central AL-
926 AM CDT Mon Aug 26 2019
...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...
SOUTHWESTERN BALDWIN COUNTY UNTIL 1015 AM CDT...
At 926 AM CDT, the strong thunderstorm was located over Fairhope,
moving northeast at 20 mph.
Wind gusts of 40 to 50 mph will be possible with this storm.
Locations impacted include...
Daphne, Fairhope, Point Clear, Loxley, Magnolia Springs and
Silverhill.
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.
&&
LAT...LON 3036 8784 3038 8783 3039 8781 3041 8782
3039 8785 3038 8784 3038 8787 3041 8791
3047 8792 3048 8794 3055 8790 3058 8791
3065 8791 3065 8792 3064 8792 3066 8794
3066 8793 3065 8774 3030 8776
TIME...MOT...LOC 1426Z 206DEG 17KT 3053 8792Special Weather Statement National Weather Service Mobile AL 1033 AM CDT Mon Aug 26 2019 MSZ078-261615- Stone MS- 1033 AM CDT Mon Aug 26 2019 ...A STRONG THUNDERSTORM WILL AFFECT THE FOLLOWING COUNTIES...STONE COUNTY UNTIL 1115 AM CDT... At 1033 AM CDT, the strong thunderstorm was located over Perkinston, or 6 miles south of Wiggins, moving east at 25 mph. Wind gusts of 40 to 50 mph will be possible with this storm. Locations impacted include... Wiggins, Perkinston and McHenry. 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. && LAT...LON 3091 8922 3091 8888 3068 8888 3068 8923 TIME...MOT...LOC 1533Z 275DEG 20KT 3077 8914
The Mobile radar (KMOB), 29 km away, was scanning. The volume nearest the first event began at 17:02 UTC.
1 flash flood. Local standard time, as filed.
Image of street flooding near Bay Road and Dauphin Island Parkway.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alabama in 2019Every state in 2019This day in weather historyWarnings in Alabama, August 2019
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: 851653.