Idaho, 2001Flash Flood in Idaho, July 11, 2001
July 11, 2001 · NWS PIH · 1 event in 1 county or zone
1 flash flood, as filed by the National Weather Service.
Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.
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- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
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- 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 Pocatello, ID wrote its last area forecast discussion before the first event at Jul 11, 1:30 PM MST, 0 minutes earlier.
Area forecast discussion, Jul 11, 1:30 PM MST, 0 minutes before
SOUTHEAST IDAHO AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE POCATELLO/IDAHO FALLS ID
230 PM MDT WED JUL 11 2001
WIDESPREAD CONVECTIVE ACTIVITY DEVELOPED EARLY THIS AFTERNOON ACROSS
SOUTHERN HIGHLANDS WITH 88-D INDICATING OVER TWO INCHES RAIN LAST HOUR
JUST SOUTH OF MALAD AND OVER 2 INCHES IN SW CASSIA COUNTY. FLASH
FLOODING MAIN CONCERN. BEST CONVECTION OCCURRING WITH DRYING AREA
BEHIND SHORT WAVE MOVING THROUGH SE ID AT PRESENT AS WELL AS WITH
SHORT WAVE IN SE CORNER OF ID. BASIC MOIST UNSTABLE AIRMASS STILL IN
PLACE AS HAS BEEN FOR LAST SEVERAL DAYS. BETTER INSTABILITY TODAY AS
H5 TEMPS HAVE COOLED AND LAPSE RATES FROM H7 TO H5 HAVE INCREASED
SUBSTANTIALLY TODAY. WILL CONTINUE WITH SCATTERED CONVECTIVE ACTIVITY
THIS EVENING WITH LIKELY AGAIN IN CARIBOU AND SOUTH CENTRAL HIGHLANDS.
WITH HEAVY RAINS CURRENTLY WILL WORD LOCALLY HEAVY RAINS IN ALL ZONES.
APPEARS MUCH OF ACTIVITY OROGRAPHICALLY INFLUENCED. ACTIVITY SHOULD
TAPER OFF WITH LOSS OF DIURNAL HEATING AND GRADUALLY DIE AFTER
MIDNIGHT FROM W TO E. MODELS ARE INDICATING SOME DRYING BOTH THUR AND
FRIDAY AS LOSE A BIT OF MONSOONAL MOISTURE AS STRONGER SW JET MOVES
IN. PRECIP WATERS DROP WELL BELOW AN INCH FOR FIRST TIME IN A WHILE.
INSTABILITY REMAINS HOWEVER AND FAST MOVING SHORT WAVES IN SW JET WILL
PROPAGATE THROUGH REGION THROUGH FRIDAY. CAPES INCREASE THUR AND FRI
AS WELL. WILL KEEP DIURNAL CHANCES OF CONVECTION IN MOUNTAINS AND GO
SLIGHT CHANCE IN SNAKE PLAIN WITH CONTINUED INSTABILITY. WILL STAY
CLOSER TO WARMER FWC GUIDANCE IN SHORT TERM.
BASICALLY NOT A WHOLE LOT OF CHANGES PLANNED IN EXTENDED. AVN STILL
SHOWING UPPER LOW MOVING SE INTO WASH STATE BY 12Z MON...SLOWER THAN
PREVIOUS RUN. FAIRLY GOOD AGREEMENT WITH 12Z UK RUN THROUGH 120 HRS.
WILL NOT COOL DOWN TEMPS AS MUCH AND THINK WITH TROF AXIS STAYING WEST
ALONG COAST WILL BE GENERALLY DRY WITH SOME POPS FOR NW ZONES BY TUE-
WED.
GK
BYI 59/88/59/90 3222
.KSFX WSR-88D...OPERATIONAL...VCP 21.
PIH BB 057/088 058/090 057 11322
.PIH...NONE.
Flash Flood, Oneida
- When
- July 11, 1:30 PM MST to 2:30 PM MST
- Where
- Oneida County, East Central Portion
- Reported by
- TRAINED SPOTTER
- Coordinates
- 42.195, -112.540 (the zone’s center; the record gives no point)
Flash flooding occurred in rural portions of central Oneida county.
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Heat in Texas, July 11, 20011 death · 1 event
- Hail and Lightning Strikes in Colorado, July 11, 20011 injured · $215,000 · 1 in hail · 7 events
- Lightning Strike in Louisiana, July 11, 2001$400,000 · 1 event
- Wildfire in California, July 11 to 13, 20012 injured · $150,000 · 1 event
- Lightning Strike in Maine, July 11, 20012 injured · $100,000 · 1 event
- Damaging Winds in Louisiana, July 11, 2001$120,000 · 70 kt wind · 9 events
- Damaging Wind in Nevada, July 11, 2001$100,000 · 1 event
- Damaging Winds in Mississippi, July 11, 2001$45,000 · 3 events
- Flash Flood and Hail in Mississippi, July 11, 2001$15,000 · 0.75 in hail · 8 events
- Hail and Damaging Winds in Missouri, July 11 to 12, 2001$12,000 · 69 kt wind · 9 events
- Damaging Winds in Alabama, July 11, 2001$15,000 · 2 events
- Damaging Winds in New Jersey, July 11, 20011 injured · 52 kt wind · 2 events
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: 5257826.