Alert archive / Idaho / Flash Flood Warnings in 2014
Flash Flood Warning 1, NWS Missoula, MT
NWS Missoula, MT issued this flash flood warning at Aug 2, 2014, 4:18 PM PDT for Idaho County, Idaho. It was in force for 117 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Aug 2, 2014, 4:18 PM PDT (23:18 UTC)
- Expired
- Aug 2, 2014, 6:15 PM PDT
- In force
- 117 min
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
- Flood severity
- None
County Idaho County, ID
The radar
The Pendleton radar (KPDT), 204 km from the middle of the area, began a volume at 23:18 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Boise Airport, ID (KBOI), launched 12:00Z, 11.3 hours before the alert went out and 223 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2581 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 48 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
463 WGUS55 KMSO 022318 FFWMSO IDC049-030115- /O.NEW.KMSO.FF.W.0001.140802T2318Z-140803T0115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MISSOULA MT 418 PM PDT SAT AUG 2 2014 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * FLASH FLOOD WARNING FOR... JOHN DAY CREEK IN THE SHEEP BURN IN WESTERN IDAHO COUNTY IN CENTRAL IDAHO... * UNTIL 615 PM PDT. * AT 410 PM PDT...DOPPLER RADAR INDICATED HEAVY RAIN THAT COULD PRODUCE FLASH FLOODING OVER THE WARNED AREA. THE STORM IS MOVING VERY SLOW ALMOST STATIONARY. * LOCATIONS IMPACTED INCLUDE...JOHN DAY CREEK IN THE SHEEP BURN. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FLASH FLOOD WARNING MEANS THAT FLOODING...MUD AND DEBRIS FLOWS ARE IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. && LAT...LON 4562 11631 4561 11611 4550 11614 4551 11629 $$
1 follow-up statement
659 WGUS75 KMSO 030051 FFSMSO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 651 PM MDT SAT AUG 2 2014 IDC049-030102- /O.CAN.KMSO.FF.W.0001.000000T0000Z-140803T0115Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ IDAHO ID- 551 PM PDT SAT AUG 2 2014 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR WESTERN IDAHO COUNTY... LAT...LON 4562 11631 4561 11611 4550 11614 4551 11629 $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 3:38 PM PDT | Special Weather Statement | MSO | Idaho | 52 min |
| Aug 2, 4:30 PM PDT | Areal Flood Advisory | MSO | Idaho | 2 hr |
Nearby
Flash Flood Warnings in Idaho, 2014Every flash flood warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.