Hail in Wyoming, July 26, 2001

Name: Hail in Wyoming, July 26, 2001
Start: 2001-07-26T17:24
End: 2001-07-26T18:40
Location: Wyoming

July 26, 2001 · NWS BYZ · 5 events in 1 county or zone

5 hail, 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: 5

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 Billings, MT wrote its last area forecast discussion before the first event at Jul 26, 1:20 PM MST, 4 hours 4 minutes earlier.

Area forecast discussion, Jul 26, 1:20 PM MST, 4 hours 4 minutes before

SOUTH CENTRAL AND SOUTHEAST MONTANA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE BILLINGS MT
220 PM MDT THU JUL 26 2001

.FRI AND SAT...
CONVECTION ALREADY FIRING NORTHWEST OF BILLINGS. STORMS FIRING ON
MOISTURE CONVERGENCE LINE. STRONG EAST INFLOW OF 60S DEWPOINT AIR. UPPER
WAVE KICKING INTO SOUTHWEST MONTANA AT THE MOMENT. ETA TAKES THIS WAVE
INTO NORTHEAST MONTANA THIS EVENING. TROUGH FLATTENS THE FLOW OVERNIGHT
AND NEXT UPSTREAM WAVE CRUISES NORTH. SHOULD BE AN EVENING EVENT THIS
TIME. ATMOSPHERE VERY UNSTABLE WITH LAPS CAPES 2000-4000 JKG FROM
BILLINGS EAST...AND LI'S -4 TO -8. WILL KEEP THE MENTION OF SEVERE FROM
BILLINGS EAST. PRECIPITABLE WATER AMOUNTS PROGGED AROUND 1.3 INCHES OVER
SOUTHEAST MONTANA. 1 TO 3 HOUR FLASH FLOOD GUIDANCE PRETTY LOW OVER THE
SOUTHEAST. TROPICAL MOISTURE STREAMING NORTH INTO THE SOUTHEAST...SO
WILL ISSUE A FLASH FLOOD WATCH FOR THE SOUTHEAST. CONVECTION FIRING OVER
BIG HORN COUNTY SO WILL KEEP HIGH POPS GOING FOR THE SOUTHEAST.

TROUGH MOVES EAST FRIDAY AND A SMALL SCALE RIDGE BUILDS IN BEHIND IT.
WEAK SHORTWAVES DO MOVE THROUGH THIS FLOW...BUT MOST THE SHORTWAVES
SHOULD GET BUMPED NORTH OF THE FORECAST AREA. ALSO...WAVES WILL BE
ENCOUNTERING ANTICYCLONIC FLOW. WILL BE SOME INSTABILITY TO WORK WITH
AND SOME WEAK SHEAR...SO WILL KEEP LOW POPS IN. NEXT TROUGH THEN DIGS
INTO WESTERN MONTANA SATURDAY AFTERNOON. THIS WILL SEND A STRONG COLD
FRONT INTO CENTRAL MONTANA BY 00Z SUNDAY. STRONG COMPRESSIONAL HEATING
AHEAD OF THE FRONT SHOULD ALLOW TEMPERATURES TO CLIMB INTO THE 90S.
WILL UP POPS TO SCATTERED OVER THE WEST HALF OF THE AREA AS THE FRONT
APPROACHES. THE SOUTHEAST WILL HAVE SOME CAPPING. SHEARED ENERGY COULD
BE ENOUGH LATE IN THE DAY TO SPARK A THUNDERSTORM LATE AFTERNOON...SO
WILL KEEP A LOW POP OVER THE SOUTHEAST. HUMPHREY

.SUN...MON...TUE...WED...THU...
MRF SHOWING SOME INCONSISTENCIES FROM RUN TO RUN SO WILL GO MORE IN
LINE WITH ECMWF SOLUTION. SW FLOW CONTINUES THROUGH THE FCST PERIODS
KEEPING SCT AFTN THUNDERSTORMS AND SEASONAL TEMPS IN THE GOING FCST.
A TROUGH WILL CROSS THE REGION LATE WED LOWERING HIGHS ON THU...YET
THE SW FLOW RETURNS THU FOR A RETURN TO SCATTERED AFTN THUNDERSTORMS.
PERSISTENCE SEEMS TO BE THE RULE WITH THE WEATHER PATTERN THAT HAS
CHANGED LITTLE OVER THE LAST FEW WEEKS. SPRINGER

    FRI     SAT     SUN     MON     TUE     WED     THU
-----------------------------------------------------------
BIL 058/089 061/094 059/084 062/087 060/085 058/085 054/083
    42/T    23/T    43/T    33/T    33/T    33/T    33/T
LVM 054/087 057/089 056/081 059/084 057/082 057/082 053/082
    32/T    24/T    43/T    33/T    33/T    33/T    33/T
HDN 058/090 060/095 057/086 060/089 058/087 056/085 053/083
    42/T    23/T    43/T    33/T    33/T    33/T    33/T
MLS 062/089 062/097 064/087 064/090 062/088 060/086 058/086
    62/T    22/T    43/T    33/T    33/T    33/T    33/T
4BQ 061/089 061/097 063/087 063/089 061/087 059/087 059/085
    62/T    22/T    43/T    33/T    33/T    33/T    33/T
BHK 060/088 060/096 060/084 060/087 059/087 057/085 055/085
    62/T    22/T    43/T    33/T    33/T    33/T    33/T
SHR 058/089 058/09/4 057/085 059/088 057/086 055/086 051/083
    42/T    23/T    43/T    33/T    33/T    33/T    33/T

In the hours before

Local storm report, Jul 26, 2:38 PM MST, 2 hours 46 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BILLINGS, MT
338 PM MDT THU JUL 26 2001

TIME(MDT)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0720 PM    13 N BAKER                MT   TORNADO
07/25/01   FALLON                         REPORTED BY SPOTTERS NWS
                                          SURVEY TEAM DETERMINED F2
                                          TORNADO 200 YARDS WIDE 2
                                          MILES LONG ON GROUND FOR 15
                                          MINUTES OVER OPEN RANGE
                                          WEST OF STATE HIGHWAY 7

0750 PM    8 NE BAKER                MT   TORNADO
07/25/01   FALLON                         REPORTED BY SPOTTERS NWS
                                          SURVEY TEAM DETERMINED F1
                                          TORNADO 100 YARDS WIDE 3/4
                                          MILES LONG ON GROUND FOR 5
                                          MINUTES

The radar

The Billings radar (KBLX), 139 km away, was scanning. The volume nearest the first event began at 00:24 UTC.

Open the radar archive at this moment

Event by event

5 hail. Local standard time, as filed.

Hail, Sheridan

When: July 26, 5:24 PM MST
Where: Sheridan County, 22 mi NW of Sheridan
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 45.033, -107.267

Hail, Sheridan

When: July 26, 5:35 PM MST
Where: Sheridan County, Ranchester
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 44.917, -107.167

Hail, Sheridan

When: July 26, 5:38 PM MST
Where: Sheridan County, Ranchester
Measured: 1 in hail
Reported by: TRAINED SPOTTER
Coordinates: 44.917, -107.167

Hail, Sheridan

When: July 26, 6:25 PM MST
Where: Sheridan County, 1 mi S of Clearmont
Measured: 0.88 in hail
Reported by: TRAINED SPOTTER
Coordinates: 44.617, -106.383

Hail, Sheridan

When: July 26, 6:40 PM MST
Where: Sheridan County, 15 mi N of Clearmont
Measured: 0.75 in hail
Reported by: TRAINED SPOTTER
Coordinates: 44.850, -106.383

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

Every storm in Wyoming in 2001 Every state in 2001 This day in weather history Warnings in Wyoming, July 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: 5258180, 5258182, 5258181, 5258183, 5258184.