Wyoming, 2001

Wildfire in Wyoming, August 1 to 29, 2001

August 1 to 29, 2001 · NWS RIW · 1 event in 1 county or zone

The Green Knoll Fire received national media attention due to its proximity to multi-million dollar homes. It was started by an unattended campfire and burned 4620 acres.

Where it happened

Every event with a place to put it; 1 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

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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 RIW wrote it up.

The Green Knoll Fire received national media attention due to its proximity to multi-million dollar homes. It was started by an unattended campfire and burned 4620 acres. Ending location estimated.

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 Riverton, WY wrote its last area forecast discussion before the first event at Jul 31, 1:30 PM MST, 10 hours 30 minutes earlier.

Area forecast discussion, Jul 31, 1:30 PM MST, 10 hours 30 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE RIVERTON WY
230 PM MDT TUE JUL 31 2001

FEW CLDS OVR CWA WITH SCT-BKN CLDS NW CRNR. TROF HAS SWEPT THRU AND
PUSHED DEEPER RH TO THE SE. SFC WND HAS MIXED DOWN MOST AREAS. FCST
PROB TNGT WL BE LOW TEMPS. WND WL DECR TWD SUNSET. ADD THAT WITH CLR
SKY/LOW DEWPTS THERE SHOULD BE DECENT RADIATIONAL COOLING. WL LWR
MOST GUID MINS. WX PTTRN TO CHG LTL THRU THU. LOW 800-500MB RH AND
WARMING 700 MB TEMPS. LESS WIND WED WITH SFC HI MOVG ACROSS. LTL
MORE PM BREEZE THURS WITH WEAK SYS PASSING WELL N TO HELP MIX THINGS
A BIT. MAV GUID SEEMS TOO COOL WED AND WL FOLLOW FWC'S MORE. MOST
GUID OK FOR THURS HIGHS. IN EXTNDD SOME DIFFERENCE IN ECMWF# VERSUS
MRF WITH RESPECT TO POSTN OF UPR HI AND SUBSEQUENT MSTR RETURN. WL
BACK OFF POPS FRI AND KEEP SMALL CHC IN FOR SAT-TUE. CONT VERY WARM
WELL INTO WEEKEND.

RIW...NONE.

AR

The radar

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

Open the radar archive at this moment

Event by event

1 wildfire. Local standard time, as filed.

Wildfire, Teton

When
August 1, 12:00 AM MST to August 29, 12:00 AM MST
Where
Teton County, 10 mi SW of Jackson
Reported by
PARK/FOREST SERVICE
Coordinates
43.935, -110.590 (the zone’s center; the record gives no point)

What these are

Wildfire
A fire burning in wildland vegetation, with its acreage and damage where known.

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

The same day elsewhere

More

Every storm in Wyoming in 2001Every state in 2001This day in weather historyWarnings in Wyoming, August 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 2026-09-24. Each event’s entry at NCEI: 5263398.