Yet To Be determined.
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 DVN wrote it up.
Yet To Be determined.
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 Quad Cities, IA wrote its last area forecast discussion before the first event at Sep 19, 1:35 AM CST, 2 hours 25 minutes earlier.
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE QUAD CITIES IA IL 235 AM CDT SAT SEP 19 2015 .SYNOPSIS... ISSUED AT 234 AM CDT SAT SEP 19 2015 06Z SFC DATA INDICATES A LOW OVER LOWER LAKE MICHIGAN AND POSSIBLY ANOTHER NORTH OF KMKG IN LOWER MICHIGAN. THE MAIN COLD FRONT RAN FROM THE LAKE MICHIGAN LOW INTO CENTRAL OKLAHOMA. DEW POINTS WERE IN THE 60S AHEAD OF THE COLD FRONT WITH 40S AND 50S ACROSS THE PLAINS AND WESTERN GREAT LAKES. && .SHORT TERM...(TODAY AND TONIGHT) ISSUED AT 234 AM CDT SAT SEP 19 2015 QUIET AND PLEASANT CONDITIONS WILL BE SEEN TODAY AND TONIGHT AS HIGH PRESSURE BUILDS INTO THE MIDWEST. TEMPERATURES WILL AVERAGE BELOW NORMAL. CLEAR SKIES AND LIGHT WINDS TONIGHT MAY ALLOW FAVORED COOL AREAS TO DROP INTO THE MID 40S. .LONG TERM...(SUNDAY THROUGH FRIDAY) ISSUED AT 234 AM CDT SAT SEP 19 2015 THE MAIN THEMES OF THE LONG TERM FORECAST PERIOD ARE GRADUALLY MODERATING TEMPERATURES AND CONTINUED LOW CONFIDENCE IN RAIN CHANCES LATER IN THE PERIOD. THE WARMING TREND WILL BEGIN SUNDAY WITH HIGHS GENERALLY 70 TO 75...STILL SEVERAL DEGREES BELOW NORMAL FOR THE DATE. FOR MONDAY THROUGH WEDNESDAY...AN UPPER RIDGE WILL BUILD INTO THE REGION...PROVIDING CONTINUED WARMING BACK ABOVE NORMAL. RIDGE RIDING SHORT WAVE ENERGY IS EXPECTED TO REMAIN NORTH AND WEST OF THE FORECAST AREA DURING THIS TIME FRAME. LATE IN THE FORECAST PERIOD...SYNOPTIC MODELS BEGIN TO DIVERGE IN THEIR HANDLING OF A SHORT WAVE TROUGH EJECTING OUT OF THE SOUTHWEST CONUS. THE GFS AND GEM SUGGEST SOME POTENTIAL FOR THIS WAVE TO BRING SCATTERED RAIN TO THE AREA...WHILE THE ECMWF MAINTAINS THE UPPER RIDGE AND KEEPS THE FORECAST AREA DRY. THE CONSENSUS BLEND POPS ARE HOLDING AT SLIGHT CHANCES FOR THURSDAY AND FRIDAY...WITH NO REASON TO VARY FROM THIS GUIDANCE AT DAY 6/7 OF THE FORECAST PERIOD. && .AVIATION...(FOR THE 06Z TAFS THROUGH 06Z SATURDAY NIGHT) ISSUED AT 1124 PM CDT FRI SEP 18 2015 MVFR TO POCKETS OF IFR CONDITIONS WITH A FEW SHOWERS WILL GIVE WAY TO DECREASING CLOUDS AND A RETURN OF VFR CONDITIONS OVERNIGHT AS COLD FRONT CONTINUES TO EXIT THE REGION. WINDS WILL REMAIN GUSTY FROM NORTHWEST AT 10-20+ KTS THEN TAPER OFF AT OR BELOW 10 KTS EARLY IN THE MORNING. VFR CONDITIONS WILL THEN BE SEEN SATURDAY AND SATURDAY NIGHT... WITH NORTHERLY WINDS AROUND 10-15 KTS WITH SOME GUSTS POSSIBLE DURING DAY DIMINISHING BELOW 10 KTS IN THE EVENING. && .DVN WATCHES/WARNINGS/ADVISORIES... IA...NONE. IL...NONE. MO...NONE. && SYNOPSIS...08 SHORT TERM...08 LONG TERM...RP KINNEY AVIATION...05
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE QUAD CITIES IA IL 321 AM CDT SAT SEP 19 2015 IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007- 009-015>018-024>026-034-035-MOZ009-010-200830- BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON- CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON- HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL- WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON- WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK- 321 AM CDT SAT SEP 19 2015 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST MISSOURI. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1140 PM CDT FRI SEP 18 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1139 PM HEAVY RAIN 1 SSE DAVENPORT 41.54N 90.60W
09/18/2015 M2.40 INCH SCOTT IA TRAINED SPOTTER
RAINFALL TOTAL SINCE 1 PM THURSDAY.
&&
RP KINNEYThe national radar mosaic for the moment the first event began.
1 flood. Local standard time, as filed.
The river crested at 14.65 feet (Major) at 9:30 AM.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Iowa in 2015Every state in 2015This day in weather historyWarnings in Iowa, September 2015
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: 602680.