Dense Fog in Illinois, November 2, 2015

Name: Dense Fog in Illinois, November 2, 2015
Start: 2015-11-02T00:00
End: 2015-11-02T08:00
Location: Illinois

November 2, 2015 · NWS PAH · 19 events in 19 counties and zones

Surface high pressure extended from the Ozarks of Missouri to the upper Ohio Valley. Clear skies and light winds provided favorable conditions for widespread dense fog.

Where it happened

Every event with a place to put it; 19 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 19

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.

What happened

The episode as NWS PAH wrote it up.

Surface high pressure extended from the Ozarks of Missouri to the upper Ohio Valley. Clear skies and light winds provided favorable conditions for widespread dense fog. Visibility was reduced to one-quarter mile or less.

What forecasters said that day

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 Paducah, KY wrote its last area forecast discussion before the first event at Nov 1, 10:57 PM CST, 1 hour 3 minutes earlier.

Area forecast discussion, Nov 1, 10:57 PM CST, 1 hour 3 minutes before

AREA FORECAST DISCUSSION
National Weather Service Paducah KY
1057 PM CST SUN NOV 1 2015

.UPDATE...
Issued at 1057 PM CST SUN NOV 1 2015

Widespread dense fog has developed across most of our counties,
except where cloud cover lingers in our southern west kentucky
counties. The clouds are making very slow progression north, so
believe the greatly reduced visibilities will continue. We went
ahead and issued a dense fog advisory for all but our southern
west kentucky counties through 15z.

UPDATE Issued at 516 PM CST SUN NOV 1 2015

Updated Aviation discussion for 00Z TAF Issuance.

&&

.SHORT TERM...(This evening through Tuesday)
Issued at 316 PM CST SUN NOV 1 2015

Fairly high confidence that most of this period will feature
warm and rainfree conditions with afternoon highs getting back
into the 70s.

A southern stream upper level low will make its way from the
TX/LA Gulf coast will gradually work its way ne into the TN River
Valley by Monday/Monday evening. It still appears as though most
of the moisture and associated precip will stay just south/east
of our forecast area...though much of wrn KY could experience
quite a bit of cloud cover. H50 ridge will then build into the
region on Tuesday. As heights rise...so will temps. As long as low
level cloud cover does not become an issue, we should see many
locations pop into the mid 70s Tuesday afternoon.

.LONG TERM...(Tuesday night through Sunday)
Issued at 316 PM CST SUN NOV 1 2015

Dry and unseasonably warm conditions will continue Wed/Thu as
deep swly flow develops ahead of trofing out over the swrn United
States. This trof will eventually translate ene toward the region
Thu night into Friday. An associated sfc cold front will also
approach during that time, and will bring a very good chc of
showers/sct thunderstorms with it. This system will need to be
monitored for a few strong or even isolated severe storms. Am a
bit concerned with the potential strong wind fields ahead of the
ejecting wrn H50 short wave that will combine with rich
moisture/sfc dew point around 60 as the sfc front moves in. In
addition, 12z ECMWF suggests SB CAPES may be running above 200
J/KG in some locations (modest, but sufficient to support cool
season QLCS in a high shear/low CAPE environment). For now, given
we are talking about 4+ days out, will just introduce chc of
isolated svr storms in the HWO product. Still lots of time to
monitor the svr potential with this system. May also

Drier and much cooler conditions will take over one the front
passes next weekend.

&&

.AVIATION...
Issued at 516 PM CST SUN NOV 1 2015

Fog is possible overnight, mainly KCGI/KPAH, but we'll keep a
close eye further north as well. Otherwise cloud shield slowly
moves south/east...and should ultimately break all terminals
during course of day tmrw.

&&

.PAH Watches/Warnings/Advisories...
IL...Dense Fog Advisory until 9 AM CST Monday for ILZ075>078-080>094.

MO...Dense Fog Advisory until 9 AM CST Monday for MOZ076-086-087-100-
     107>112-114.

IN...Dense Fog Advisory until 9 AM CST Monday for INZ081-082-085>088.

KY...Dense Fog Advisory until 9 AM CST Monday for KYZ003>005-007-010-
     014>016-018>021.

&&

UPDATE...BP2/RST

Hazardous weather outlook, Nov 1, 11:23 PM CST, 37 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PADUCAH KY
1123 PM CST SUN NOV 1 2015

ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-030530-
JEFFERSON-WAYNE IL-EDWARDS-WABASH-PERRY IL-FRANKLIN-HAMILTON-
WHITE-JACKSON-WILLIAMSON-SALINE-GALLATIN-UNION IL-JOHNSON-POPE-
HARDIN-ALEXANDER-PULASKI-MASSAC-GIBSON-PIKE-POSEY-VANDERBURGH-
WARRICK-SPENCER-FULTON-HICKMAN-CARLISLE-BALLARD-MCCRACKEN-GRAVES-
LIVINGSTON-MARSHALL-CALLOWAY-CRITTENDEN-LYON-TRIGG-CALDWELL-
UNION KY-WEBSTER-HOPKINS-CHRISTIAN-HENDERSON-DAVIESS-MCLEAN-
MUHLENBERG-TODD-PERRY MO-BOLLINGER-CAPE GIRARDEAU-WAYNE MO-CARTER-
RIPLEY-BUTLER-STODDARD-SCOTT-MISSISSIPPI-NEW MADRID-
1123 PM CST SUN NOV 1 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTHERN
ILLINOIS...SOUTHWEST INDIANA...WESTERN KENTUCKY AND SOUTHEAST
MISSOURI.

.DAY ONE...TONIGHT

A DENSE FOG ADVISORY IS IN EFFECT THROUGH 9AM CST ACROSS
SOUTHEAST MISSOURI, SOUTHERN ILLINOIS, SOUTHWEST INDIANA, AND
PORTIONS OF WEST KENTUCKY NORTH OF A LINE FROM MAYFIELD TO
PRINCETON TO GREENVILLE. VISIBILITIES OF ONE QUARTER MILE OR LESS
WILL BE COMMON ACROSS THE ADVISORY AREA.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

SCATTERED THUNDERSTORMS AND HEAVY RAINFALL WILL BE POSSIBLE
THURSDAY NIGHT INTO FRIDAY. A FEW ISOLATED STRONG TO SEVERE
STORMS CANNOT BE RULED OUT AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED AT THIS TIME. HOWEVER...
SPOTTERS SHOULD STAY TUNED TO FUTURE FORECAST CONCERNING THE
THUNDERSTORM POTENTIAL THURSDAY NIGHT INTO FRIDAY.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

19 dense fog. Local standard time, as filed.

Dense Fog, Alexander

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Alexander forecast zone
Reported by: AWOS
Coordinates: 37.192, -89.338 (the zone’s center; the record gives no point)

Dense Fog, Edwards

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Edwards forecast zone
Reported by: AWOS
Coordinates: 38.417, -88.053 (the zone’s center; the record gives no point)

Dense Fog, Franklin

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Franklin forecast zone
Reported by: AWOS
Coordinates: 37.992, -88.924 (the zone’s center; the record gives no point)

Dense Fog, Gallatin

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Gallatin forecast zone
Reported by: AWOS
Coordinates: 37.763, -88.230 (the zone’s center; the record gives no point)

Dense Fog, Hamilton

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Hamilton forecast zone
Reported by: AWOS
Coordinates: 38.082, -88.539 (the zone’s center; the record gives no point)

Dense Fog, Hardin

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Hardin forecast zone
Reported by: AWOS
Coordinates: 37.518, -88.267 (the zone’s center; the record gives no point)

Dense Fog, Jackson

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Jackson forecast zone
Reported by: ASOS
Coordinates: 37.785, -89.382 (the zone’s center; the record gives no point)

Dense Fog, Jefferson

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Jefferson forecast zone
Reported by: AWOS
Coordinates: 38.301, -88.924 (the zone’s center; the record gives no point)

Dense Fog, Johnson

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Johnson forecast zone
Reported by: AWOS
Coordinates: 37.460, -88.881 (the zone’s center; the record gives no point)

Dense Fog, Massac

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Massac forecast zone
Reported by: AWOS
Coordinates: 37.219, -88.708 (the zone’s center; the record gives no point)

Dense Fog, Perry

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Perry forecast zone
Reported by: AWOS
Coordinates: 38.084, -89.367 (the zone’s center; the record gives no point)

Dense Fog, Pope

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Pope forecast zone
Reported by: AWOS
Coordinates: 37.413, -88.562 (the zone’s center; the record gives no point)

Dense Fog, Pulaski

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Pulaski forecast zone
Reported by: AWOS
Coordinates: 37.223, -89.127 (the zone’s center; the record gives no point)

Dense Fog, Saline

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Saline forecast zone
Reported by: AWOS
Coordinates: 37.753, -88.541 (the zone’s center; the record gives no point)

Dense Fog, Union

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Union forecast zone
Reported by: AWOS
Coordinates: 37.471, -89.255 (the zone’s center; the record gives no point)

Dense Fog, Wabash

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Wabash forecast zone
Reported by: AWOS
Coordinates: 38.446, -87.844 (the zone’s center; the record gives no point)

Dense Fog, Wayne

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Wayne forecast zone
Reported by: AWOS
Coordinates: 38.430, -88.426 (the zone’s center; the record gives no point)

Dense Fog, White

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: White forecast zone
Reported by: AWOS
Coordinates: 38.088, -88.180 (the zone’s center; the record gives no point)

Dense Fog, Williamson

When: November 2, 12:00 AM CST to 8:00 AM CST
Where: Williamson forecast zone
Reported by: AWOS
Coordinates: 37.730, -88.930 (the zone’s center; the record gives no point)

What these are

Dense Fog: Fog reducing visibility to a quarter mile or less, filed where it caused accidents or disruption.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Illinois in 2015 Every state in 2015 This day in weather history Warnings in Illinois, November 2015

Sources

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: 606734, 606735, 606736, 606737, 606738, 606739, 606740, 606741, 606742, 606743, 606744, 606745, 606746, 606747, 606748, 606749, 606750, 606751, 606752.