Hail, Twin Falls
- When
- July 21, 3:45 PM MST to 4:00 PM MST
- Where
- Twin Falls County, 3 mi WNW of Rock Creek to 1.02 mi WSW of Bickel
- Measured
- 1 in hail
- Reported by
- Storm Chaser
- Coordinates
- 42.447, -114.354
A Storm Chaser reported 1 inch hail.
Hail in Idaho, July 21, 2014
Monsoon moisture moving into the area provided the ingredients for large hail and gusty winds.
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 happened
The episode as NWS BOI wrote it up.
Monsoon moisture moving into the area provided the ingredients for large hail and gusty winds.
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 Boise, ID wrote its last area forecast discussion before the first event at Jul 21, 1:40 PM MST, 2 hours 5 minutes earlier.
Area forecast discussion, Jul 21, 1:40 PM MST, 2 hours 5 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE BOISE ID 240 PM MDT MON JUL 21 2014 .SHORT TERM...TONIGHT THROUGH WEDNESDAY...THUNDERSTORMS INITIATING ON THE EDGE OF CLOUD SHIELD/MORE STRATIFORM PRECIPITATION FROM ROME THROUGH STANLEY. STORMS ARE BETTER DEVELOPED IN THE WESTERN MAGIC VALLEY WITH HIGHER SHEAR AND HIGH PW VALUES. DEW POINTS IN THE MID TO UPPER 50S SUGGEST BRIEF HEAVY RAIN WILL ACCOMPANY THE STRONGER CELLS /TWF HAD A TENTH OF INCH IN 15 MINUTES/. ISOLATED STORMS ACROSS SE OREGON ARE LESS ORGANIZED AND HAVE SHORTER LIFE SPANS. SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WILL CONTINUE THROUGH EVENING ENDING BY MIDNIGHT IN MOST AREAS. BURNS THROUGH BAKER CITY AREA WILL SEE SHOWERS AND THUNDERSTORMS THROUGH TUESDAY MORNING AS A WEAK SHORTWAVE MOVES ACROSS THAT AREA. LOW CONFIDENCE IN THUNDERSTORM COVERAGE TUESDAY AFTERNOON. MOST HIGH RES MODELS SUGGEST SHOWERS AND THUNDERSTORM DEVELOPMENT ACROSS SE OREGON AFTER 00Z WEDNESDAY. 0-6KM SHEAR WOULD SUPPORT BETTER ORGANIZED THUNDERSTORMS HOWEVER...INSTABILITY IS LIMITED WITH CLOUD COVER FROM THUNDERSTORMS SOUTH OF THE OREGON/S SOUTHERN BORDER. THE BETTER CHANCE FOR ORGANIZED STORMS MAYBE ACROSS SE OF MOUNTAIN HOME WHERE BETTER SHEAR AND SLIGHTLY BETTER INSTABILITY /100-200 J/KG BL CAPE/ EXIST. HOWEVER...MOST GUIDANCE HAS LITTLE TO NO STORM DEVELOPMENT ACROSS SW IDAHO THE 18Z NAM AND 12Z GFS THE ONLY EXCEPTION. DRIER AND COOLER WEDNESDAY ACROSS SE OREGON WEDNESDAY AS THE UPPER LEVEL TROUGH MOVES EAST ACROSS PACIFIC NORTHWEST. .LONG TERM...WEDNESDAY NIGHT THROUGH MONDAY...DECREASING SHOWERS OVER THE FORECAST AREA WEDNESDAY NIGHT AS THE UPPER LEVEL TROUGH MOVES EAST. THURSDAY A DRY WESTERLY FLOW WILL SET UP OVER THE REGION AND WILL REMAIN OVER THE AREA THROUGH SATURDAY. TEMPERATURES ON THURSDAY BEHIND THE EXITING TROUGH WILL AVERAGE AROUND 10 DEGREES BELOW NORMAL BUT WILL QUICKLY WARM BACK TO NEAR NORMAL ON FRIDAY. OVER THE WEEKEND AND INTO NEXT WEEK MODELS ARE TRENDING TOWARD REBUILDING THE RIDGE OVER THE FORECAST AREA. TEMPERATURES ON SATURDAY WILL REMAIN NEAR NORMAL BUT WILL WARM TO AROUND 5 DEGREES ABOVE NORMAL SUNDAY WITH EVEN WARMER TEMPERATURES ON MONDAY. && .AVIATION...MOSTLY VFR. SCATTERED SHOWERS AND WIDELY SCATTERED THUNDERSTORMS. LOCAL MVFR CONDITIONS IN HEAVIER SHOWERS. SURFACE WINDS WESTERLY 5 TO 15 KNOTS...DECREASING TO 10 KNOTS OR LESS AFTER 06Z. WINDS ALOFT WILL BE SOUTHWESTERLY 15 TO 20 KNOTS UP THROUGH 10K FEET MSL. && .BOI WATCHES/WARNINGS/ADVISORIES... ID...NONE. OR...NONE. && WEATHER.GOV/BOISE SHORT TERM...JDS LONG TERM....JA/AB AVIATION.....JA
In the hours before
Special weather statement, Jul 21, 3:16 PM MST, 29 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BOISE ID 416 PM MDT MON JUL 21 2014 IDZ016-030-212300- SOUTHERN TWIN FALLS COUNTY ID-WESTERN MAGIC VALLEY ID- 416 PM MDT MON JUL 21 2014 ...SPECIAL WEATHER STATEMENT... AT 415 PM MDT...DOPPLER RADAR WAS TRACKING A STRONG THUNDERSTORM 12 MILES NORTHWEST OF ROGERSON...OR 19 MILES SOUTHWEST OF TWIN FALLS... MOVING NORTHEAST AT 35 MPH. HALF INCH HAIL AND WINDS IN EXCESS OF 30 MPH WILL BE POSSIBLE WITH THIS STORM. THIS STRONG THUNDERSTORM WILL BE NEAR... HOLLISTER AROUND 420 PM MDT. FILER AND MAGIC VALLEY REGIONAL AIRPORT AROUND 440 PM MDT. TWIN FALLS AND KIMBERLY AROUND 450 PM MDT. JEROME...HANSEN...EDEN AND MINIDOKA NATIONAL MONUMENT AROUND 500 PM MDT. PRECAUTIONARY/PREPAREDNESS ACTIONS... THIS STORM MAY INTENSIFY...SO BE CERTAIN TO MONITOR LOCAL RADIO AND TV STATIONS...AS WELL AS LOCAL CABLE TV OUTLETS...FOR ADDITIONAL INFORMATION AND POSSIBLE WARNINGS FROM THE NATIONAL WEATHER SERVICE. WHEN SAFE TO DO SO...PLEASE RELAY STORM REPORTS TO THE NATIONAL WEATHER SERVICE IN BOISE IDAHO VIA LOCAL LAW ENFORCEMENT...OR NWS BOISE FACEBOOK AND TWITTER ACCOUNTS. && LAT...LON 4223 11483 4232 11494 4278 11439 4255 11410 TIME...MOT...LOC 2215Z 227DEG 30KT 4237 11474 KA
The radar
The Pocatello radar (KSFX), 155 km away, was scanning. The volume nearest the first event began at 22:46 UTC.
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 Flash Flooding in Minnesota, July 21 to 22, 2014
- Hail and Damaging Winds in North Dakota, July 21, 2014
- Tornadoes and Flash Flooding in North Dakota, July 21 to 22, 2014
- Damaging Winds in Minnesota, July 21 to 22, 2014
- Excessive Heat in Oklahoma, July 21 to 23, 2014
- Hail and Damaging Winds in Florida, July 21, 2014
- Hail and Damaging Winds in Minnesota, July 21, 2014
- Tornado in Texas, July 21, 2014
- Hail and Damaging Winds in Kansas, July 21, 2014
- Hail and Damaging Winds in South Dakota, July 21, 2014
- Flash Flooding in North Carolina, July 21, 2014
- High Wind in Minnesota, July 21 to 22, 2014
More
Every storm in Idaho in 2014Every state in 2014This day in weather historyWarnings in Idaho, July 2014
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: 536889.