Name: Hail in Nebraska, September 18, 2001
Start: 2001-09-18T17:20
End: 2001-09-18T17:24
Location: Nebraska

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 Sep 18, 1:35 PM MST, 3 hours 45 minutes earlier.

Area forecast discussion, Sep 18, 1:35 PM MST, 3 hours 45 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE CHEYENNE WY
235 PM MDT TUE SEP 18 2001

POCKET OF COLD H7-H5 TEMPS OVR SE WY HELPING TO PRODUCE ISOLD LGT
SHWRS OVR PARTS OF THE AREA THIS AFTN.  THIS ACTIVITY WILL END
QUICKLY THIS EVENING WITH THE LOSS OF DAYTIME HEATING.  NO
SIGNIFICANT RAIN CHANCES OR TEMPERATURE SWINGS THE NEXT FEW
DAYS...BUT SEVERAL MINOR FEATURES.  LOW AMPLITUDE RIDGING OVR THE FA
THE FIRST HALF OF WEDNESDAY W/ H7 TEMPS WARMING 2-4 DEGC FROM
TODAY.  THIS IN COMBO W/ PREVAILING DOWNSLOPE WINDS SHOULD PRODUCE
TEMPS IN THE 70S/80S MOST AREAS.  SHORTWAVE ENERGY MOVES TO OUR
NORTH WED NITE...HELPING TO PUSH A PACIFIC COOL FRONT THRU THE FA.
BEST H7 FRONTOGENETIC FORCING AND OMEGA FIELDS FOCUS OVR N/NE PARTS
OF THE AREA /DGW-LUSK-CDR/.  80KT JET ENERGY RIDING THRU NRN WY WL
ALSO HELP TO BRING FAVORABLE LFQ DYNAMICS TO N/NE AREAS.  700MB
WINDS INCR TO 25-35KTS WED NITE AS MUCH OF FA SITS ON ANTICYCLONIC
SIDE OF JET ENERGY.  THE RESULT WL BE BREEZY/WINDY CONDS OVR THE
MTNS AND FOOTHILLS WED NITE.  COOLER DAY ON THU W/ COOL TEMPS ALOFT
PSBLY PRODUCING ISOLD AFTN SHWRS /MUCH LIKE TODAY/.  TEMPS ON THU
NITE WL BE TRICKY...AS DVLPG LEE SIDE TROF AFT 06Z MAY RESULT IN
LOWS BEING REACHED DURING THE FIRST PART OF THE EVENING /ESP ALONG
THE FOOTHILLS/.  UPR FLOW FLATTENS OUT ON FRI...W/ THE BEST MSTR OVR
COLORADO.  WEAK S/WV ENERGY MOVING THRU NRN CO DURING THE AFTN MAY
BRING SHWRS/TSTMS BACK TO BORDER AREAS LATE IN THE DAY /MAINLY MTNS
WESTWARD/.

.DISCUSSION...
A RIDGE OF HIGH PRESSURE WILL DOMINATE THE WEATHER OVER THE CWA IN
THE EXTENDED PERIOD.  WEAK SHORT WAVES WILL MOVE ACROSS THE CWA
THROUGHOUT THE PERIOD...RESULTING IN ISOLATED AFTERNOON SHOWERS OR
THUNDERSTORMS EACH DAY...AS MOISTURE IS LIMITED TO CREATE ANY
SIGNIFICANT PRECIPITATION.  MAX AND MIN TEMPERATURES WILL REMAIN
ABOUT THE SAME FROM DAY TO DAY AND WILL BE AROUND THE SEASONAL
NORMALS.

.CYS...
WY...NONE.
NE...NONE.

JK/KMD

The radar

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

Open the radar archive at this moment

Event by event

1 hail. Local standard time, as filed.

Hail, Box Butte

When: September 18, 5:20 PM MST to 5:24 PM MST
Where: Box Butte County, 20 mi W of Alliance
Measured: 1 in hail
Reported by: TRAINED SPOTTER
Coordinates: 42.100, -103.267

What these are

Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

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

The same day elsewhere

More

Every storm in Nebraska in 2001 Every state in 2001 This day in weather history Warnings in Nebraska, September 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: 5265136.