Wyoming, 2004

Damaging Wind in Wyoming, July 30, 2004

July 30, 2004 · NWS CYS · 1 event in 1 county or zone

1 thunderstorm wind, as filed by the National Weather Service.

Where it happened

Every event with a place to put it. 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
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 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 Cheyenne, WY wrote its last area forecast discussion before the first event at Jul 30, 8:39 AM MST, 3 hours 54 minutes earlier.

Area forecast discussion, Jul 30, 8:39 AM MST, 3 hours 54 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
939 AM MDT FRI JUL 30 2004

.SHORT TERM...FORECAST UPDATED MAINLY TO REDUCE CLOUD COVER ACROSS
THE AREA. WITH LIGHT WEST TO SOUTHWEST WINDS BLOWING AT MOST
LOCATIONS...IT APPEARS THAT DEW POINTS WILL CONTINUE TO DECREASE AS
THE DAY WEARS ON. WINDS WILL MAKE THE DIURNAL CHANGE TO A SOUTHEAST
DIRECTION THIS AFTERNOON OVER THE PLAINS...BUT WILL REMAIN LIGHT.
THEREFORE ANY THUNDERSTORMS WILL BE ISOLATED.

.CYS WATCHES/WARNINGS/ADVISORIES...
WY...NONE.
NE...NONE.

POMEROY
Hazardous weather outlook, Jul 30, 9:51 AM MST, 2 hours 42 minutes before
HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE CHEYENNE WY
1051 AM MDT FRI JUL 30 2004

NEZ001>003-019>021-054-055-WYZ059>070-311130-
BANNER-BOX BUTTE-CHEYENNE-CHEYENNE FOOTHILLS-CONVERSE-DAWES-GOSHEN-
KIMBALL-LARAMIE RANGE-LARAMIE VALLEY-MORRILL-NIOBRARA-NORTH CARBON-
NORTH LARAMIE RANGE-PINE BLUFFS-PLATTE-SCOTTS BLUFF-SIOUX-
SNOWY RANGE-SOUTHWEST CARBON-
INCLUDING THE CITIES OF...ALLIANCE...CHADRON...CHEYENNE...DOUGLAS...
KIMBALL...LARAMIE...LUSK...RAWLINS...SCOTTSBLUFF...SIDNEY...
TORRINGTON AND WHEATLAND
1051 AM MDT FRI JUL 30 2004

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEASTERN WYOMING AND THE
WESTERN NEBRASKA PANHANDLE.

.DAY ONE...TODAY AND TONIGHT

ISOLATED THUNDERSTORMS WILL DEVELOP THIS AFTERNOON AND EVENING...
SOUTH OF A LINE FROM RAWLINS TO ALLIANCE. THE STRONGEST STORMS WILL
PRODUCE WIND GUSTS TO 55 MPH AND SMALL HAIL.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A FEW AFTERNOON AND EVENING THUNDERSTORMS ARE POSSIBLE MOST DAYS
ACROSS SOUTHERN CARBON AND SOUTHERN ALBANY COUNTIES OF WYOMING.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT ANTICIPATED.

In the hours before

Local storm report, Jul 30, 8:49 AM MST, 3 hours 44 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE CHEYENNE WY
949 AM MDT FRI JUL 30 2004

..TIME...   ...EVENT...     ...CITY LOCATION...      ...LAT.LON...
..DATE...   ....MAG....     ..COUNTY LOCATION...ST.. ...SOURCE....
            ..REMARKS..

0815 PM     TSTM WND GST     17 S ALLIANCE           41.85N 102.87W
07/29/2004  60 MPH           MORRILL            NE   TRAINED SPOTTER

            ALSO RECEIVED 3/4 INCH HAIL. ELEMENTS OBSERVED BETWEEN 8
            AND 830 PM.

1115 PM     HAIL             10 SE SIDNEY            41.03N 102.83W
07/29/2004  0.75 INCH        CHEYENNE           NE   OTHER FEDERAL

            ELEMENT OBSERVED 1115 TO 1120 PM.

&&

DEAL

The radar

The Cheyenne radar (KCYS), 74 km away, was scanning. The volume nearest the first event began at 19:31 UTC.

Open the radar archive at this moment

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Albany

When
July 30, 12:33 PM MST
Where
Albany County, Laramie Breese Arpt
Measured
50 kt (58 mph)
Reported by
AWOS,ASOS,MESONET,ETC
Coordinates
41.317, -105.667

Dry microburst

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

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

The same day elsewhere

More

Every storm in Wyoming in 2004Every state in 2004This day in weather historyWarnings in Wyoming, July 2004

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: 5420120.