Dense Fog in Oklahoma, January 11, 2001

Name: Dense Fog in Oklahoma, January 11, 2001
Start: 2001-01-11T01:00
End: 2001-01-11T10:00
Location: Oklahoma

January 11, 2001 · NWS OUN · 48 events in 48 counties and zones

Where it happened

Every event with a place to put it; 48 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar over this ground

The toll

Deaths: 0
Injuries: 0
Property damage: None recorded
Crop damage: None recorded
Events: 48

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 OUN wrote it up.

Fog and slick roads developed during the overnight hours of the 11th and continued through mid-morning. Visibilities were occasionally reduced to less than one half mile, while temperatures remained close to freezing. Numerous vehicle accidents were reported, including a head-on collision which killed 4 people on Highway 183, 1 mile north of Hobart in Kiowa County at approximately 0145 CST. Another man was killed in Edmond in Oklahoma County when his car hit a bridge abutment near Interstate 35 and Hefner Road at approximately 0850 CST. A nineteen car pile-up also developed on Interstate 44 at Airport Road in Oklahoma City at 0540 CST.

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 Norman, OK wrote its last area forecast discussion before the first event at Jan 10, 9:50 PM CST, 3 hours 10 minutes earlier.

Area forecast discussion, Jan 10, 9:50 PM CST, 3 hours 10 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE NORMAN OK
950 PM CST WED JAN 10 2001

MAIN BAND OF PRECIP IS LIFTING NORTH THROUGH CENTRAL OKLAHOMA.
HOWEVER A BAND OF PRECIP HAS ALSO DEVELOPED FROM FAR SOUTHWEST
OKLAHOMA INTO NORTH TEXAS ZONES AND PATCHES OR BANDS OF LIGHT PRECIP
ARE ALSO OBSERVED IN IN THE TEXAS PANHANDLE AND WESTERN KANSAS... SO
AM NOT VERY SURE ABOUT WHEN THE PRECIPITATION WILL BE ENDING.  HAVE
UPDATED ZONES TO LOWER POPS IN AREAS WHERE THE WIDESPREAD PRECIP HAS
MOVED OUT... AND MODIFIED THE TIME QUALIFIERS CONCERNING THE ENDING
OF PRECIP.  NUDGED THE MINS DOWN IN CENTRAL AND SOUTH AND CHANGED
WORDING IN A FEW ZONES TO /NEAR STEADY TEMPERATURES/.  zUPDATED ZONES
HAVE ALREADY BEEN SENT.

...SPEG.

.OUN...
OK...NONE.
TX...NONE.

The radar

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

Open the radar archive at this moment

Event by event

48 dense fog. Local standard time, as filed.

Dense Fog, Alfalfa

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Alfalfa forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.731, -98.324 (the zone’s center; the record gives no point)

Dense Fog, Atoka

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Atoka forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.374, -96.038 (the zone’s center; the record gives no point)

Dense Fog, Beckham

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Beckham forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.269, -99.682 (the zone’s center; the record gives no point)

Dense Fog, Blaine

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Blaine forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.875, -98.433 (the zone’s center; the record gives no point)

Dense Fog, Bryan

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Bryan forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 33.962, -96.260 (the zone’s center; the record gives no point)

Dense Fog, Caddo

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Caddo forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.174, -98.375 (the zone’s center; the record gives no point)

Dense Fog, Canadian

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Canadian forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.542, -97.982 (the zone’s center; the record gives no point)

Dense Fog, Carter

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Carter forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.251, -97.286 (the zone’s center; the record gives no point)

Dense Fog, Cleveland

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Cleveland forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.203, -97.326 (the zone’s center; the record gives no point)

Dense Fog, Coal

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Coal forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.588, -96.298 (the zone’s center; the record gives no point)

Dense Fog, Comanche

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Comanche forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.662, -98.472 (the zone’s center; the record gives no point)

Dense Fog, Cotton

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Cotton forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.290, -98.372 (the zone’s center; the record gives no point)

Dense Fog, Custer

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Custer forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.639, -99.001 (the zone’s center; the record gives no point)

Dense Fog, Dewey

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Dewey forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.988, -99.008 (the zone’s center; the record gives no point)

Dense Fog, Ellis

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Ellis forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.218, -99.755 (the zone’s center; the record gives no point)

Dense Fog, Garfield

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Garfield forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.379, -97.783 (the zone’s center; the record gives no point)

Dense Fog, Garvin

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Garvin forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.705, -97.309 (the zone’s center; the record gives no point)

Dense Fog, Grady

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Grady forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.017, -97.884 (the zone’s center; the record gives no point)

Dense Fog, Grant

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Grant forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.796, -97.786 (the zone’s center; the record gives no point)

Dense Fog, Greer

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Greer forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.936, -99.561 (the zone’s center; the record gives no point)

Dense Fog, Harmon

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Harmon forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.744, -99.846 (the zone’s center; the record gives no point)

Dense Fog, Harper

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Harper forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.789, -99.667 (the zone’s center; the record gives no point)

Dense Fog, Hughes

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Hughes forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.048, -96.250 (the zone’s center; the record gives no point)

Dense Fog, Jackson

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Jackson forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.588, -99.415 (the zone’s center; the record gives no point)

Dense Fog, Jefferson

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Jefferson forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.111, -97.836 (the zone’s center; the record gives no point)

Dense Fog, Johnston

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Johnston forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.317, -96.661 (the zone’s center; the record gives no point)

Dense Fog, Kay

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Kay forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.818, -97.144 (the zone’s center; the record gives no point)

Dense Fog, Kingfisher

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Kingfisher forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.945, -97.942 (the zone’s center; the record gives no point)

Dense Fog, Kiowa

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Kiowa forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.916, -98.981 (the zone’s center; the record gives no point)

Dense Fog, Lincoln

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Lincoln forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.703, -96.881 (the zone’s center; the record gives no point)

Dense Fog, Logan

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Logan forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.919, -97.443 (the zone’s center; the record gives no point)

Dense Fog, Love

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Love forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 33.950, -97.244 (the zone’s center; the record gives no point)

Dense Fog, Major

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Major forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.312, -98.536 (the zone’s center; the record gives no point)

Dense Fog, Marshall

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Marshall forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.025, -96.769 (the zone’s center; the record gives no point)

Dense Fog, McClain

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: McClain forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.009, -97.444 (the zone’s center; the record gives no point)

Dense Fog, Murray

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Murray forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.482, -97.068 (the zone’s center; the record gives no point)

Dense Fog, Noble

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Noble forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.389, -97.230 (the zone’s center; the record gives no point)

Dense Fog, Oklahoma

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Oklahoma forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.552, -97.407 (the zone’s center; the record gives no point)

Dense Fog, Payne

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Payne forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.077, -96.976 (the zone’s center; the record gives no point)

Dense Fog, Pontotoc

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Pontotoc forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.728, -96.684 (the zone’s center; the record gives no point)

Dense Fog, Pottawatomie

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Pottawatomie forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.207, -96.948 (the zone’s center; the record gives no point)

Dense Fog, Roger Mills

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Roger Mills forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.688, -99.696 (the zone’s center; the record gives no point)

Dense Fog, Seminole

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Seminole forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.168, -96.615 (the zone’s center; the record gives no point)

Dense Fog, Stephens

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Stephens forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.486, -97.851 (the zone’s center; the record gives no point)

Dense Fog, Tillman

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Tillman forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 34.373, -98.924 (the zone’s center; the record gives no point)

Dense Fog, Washita

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Washita forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 35.290, -98.992 (the zone’s center; the record gives no point)

Dense Fog, Woods

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Woods forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.767, -98.865 (the zone’s center; the record gives no point)

Dense Fog, Woodward

When: January 11, 1:00 AM CST to 10:00 AM CST
Where: Woodward forecast zone
Reported by: LAW ENFORCEMENT
Coordinates: 36.423, -99.265 (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 Oklahoma in 2001 Every state in 2001 This day in weather history Warnings in Oklahoma, January 2001

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 2026-10-01. Each event’s entry at NCEI: 5228956, 5228957, 5228958, 5228959, 5228960, 5228961, 5228962, 5228963, 5228964, 5228965, 5228966, 5228967, 5228968, 5228969, 5228970, 5228971, 5228972, 5228973, 5228974, 5228975, 5228976, 5228977, 5228978, 5228979, 5228980, 5228981, 5228982, 5228983, 5228984, 5228985, 5228986, 5228987, 5228988, 5228989, 5228990, 5228991, 5228992, 5228993, 5228994, 5228995, and more.