Hail, Park
- When
- May 26, 4:30 PM MST
- Where
- Park County, 7 mi W of Cody
- Measured
- 0.75 in hail
- Reported by
- TRAINED SPOTTER
- Coordinates
- 44.517, -109.217
Hail in Wyoming, May 26, 2001
1 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
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 Riverton, WY wrote its last area forecast discussion before the first event at May 26, 1:42 PM MST, 2 hours 48 minutes earlier.
Area forecast discussion, May 26, 1:42 PM MST, 2 hours 48 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE RIVERTON WY 242 PM MDT SAT MAY 26 2001 AREAS OF CONVECTION FIRING OFF IN PREFERRED CONVERGENCE REGIONS ON DOWNWIND SIDE OF MOUNTAIN RANGES...AND ON LEADING EDGE OF SHORTWAVE AXIS ROTATING AROUND RIDGE. AT 20Z THIS AXIS WAS LOCATED NEAR SOUTHERN IDAHO BORDER ACROSS SOUTHWEST WYOMING. 12Z MESO-ETA BEST MATCHED SATELLITE PROGRESSION THROUGH FIRST 6 HOURS AND WILL FOLLOW THROUGH FIRST PERIOD. SHORTWAVE AXIS ROTATES TO A IDA-RKS LINE AT 00Z WITH NORTHERN FLANK MOVING FASTER...AND THEN ARCHING ACROSS A JAC-CPR-LAR LINE BY 06Z. CONCENTRATED AREAS OF CONVECTION SHOULD CONTINUE TO DEVELOP ALONG THIS LINE THROUGH SUNSET AND THEN DIE OFF TO MID CLOUD DEBRIS AND SOME LIGHT SHOWERS. WILL COVER CWFA WITH SCT 30-40 POPS WITH LESS AND EARLY ENDING IN SW ZONES. RIDGE AXIS TO SHIFT EAST OVER WYOMING SUNDAY. BIG PICTURE FOR SUNDAY AND MEMORIAL DAY IS THAT LOW LEVEL CONVERGENCE CONTINUES ALONG DIVIDE WITH GOOD SURFACE DEWPOINTS NEAR 40 F WITH PRECIPITABLE WATER VALUES NEAR 0.60 AND ADEQUATE INSTABILITY TO JUSTIFY CONTINUED SCATTERED POPS. ALTHOUGH RIDGE AXIS SHIFTS OVER WYOMING SUNDAY... ALL MODELS SHOWING SOME COOLING BEHIND TONIGHT/S SHORTWAVE AT H7 (3-4C COOLER THAN TODAY) AND BELOW...SO WILL REFLECT THIS WILL TEMPERATURES ABOUT A CATEGORY COOLER THAN TODAY ACROSS NORTH AND EAST. ALSO CONVECTION LIKELY TO GET EARLIER START IN NW ZONES SUNDAY WITH SHORTWAVE AND AREA OF UPPER DIVERGENCE PROGGED OVER AREA AT 18Z. ON MONDAY...NORTHERN STREAM SHORTWAVE OFF NW COAST AND CUTOFF LOW (30N/130W) PHASE WITH AXIS FROM NORTHERN IDAHO THROUGH NORTHWEST NEVADA AT 30/00Z AND SURFACE COLD FRONT INTO WESTERN MONTANA. SAME SCENARIO THOUGH FOR WYOMING AS FAR AS SCT POPS...BUT A BIT WARMER TEMPERATURES NORTH AND EAST. IN EXTENDED...LET/S SEE...A FEW DAYS AGO MRF/AVN WERE ADVERTISING A CUT OFF LOW IN THE SOUTHERN STREAM...THAT SCENARIO MORPHED INTO A PROGRESSIVE TROUGH. NOW THE LATEST AVN RUN ADVERTISES THE NORTHERN STREAM ENERGY CUTTING OFF WEDNESDAY OVER MONTANA AND DRIFTING DUE SOUTH INTO EASTERN WYOMING THURSDAY (H7 TEMPERATURES DOWN TO -5C... BRRR). LAST NIGHT/S (MORE CONSISTENT) ECMWF SHOWS MUCH WEAKER AND PROGRESSIVE SYSTEM. WILL SIDE WITH THE LATTER SOLUTION WITH AN INDICATION OF FROPA AND SOMEWHAT COOLER TEMPERATURES TUESDAY NIGHT THROUGH THURSDAY. AEM .RIW...NONE
The radar
The national radar mosaic for the moment the first event began.
Event by event
1 hail. Local standard time, as filed.
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
- Tornadoes and Hail in Indiana, May 26, 2001
- Tornado and Hail in Texas, May 26, 2001
- Lightning Strike in Pennsylvania, May 26, 2001
- Hail and Damaging Wind in Texas, May 26, 2001
- Hail and Damaging Winds in Texas, May 26, 2001
- Damaging Winds in Ohio, May 26, 2001
- Damaging Wind in Louisiana, May 26, 2001
- Tornado and Hail in Maryland, May 26, 2001
- Hail and Damaging Wind in Texas, May 26, 2001
- Hail in Virginia, May 26, 2001
- Heavy Rain in New Jersey, May 26, 2001
- Flash Flooding and Hail in Virginia, May 26, 2001
More
Every storm in Wyoming in 2001Every state in 2001This day in weather historyWarnings in Wyoming, May 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: 5244944.