Alert archive / Idaho / Flash Flood Warnings in 2014
Flash Flood Warning 8, NWS Missoula, MT
NWS Missoula, MT issued this flash flood warning at Aug 21, 2014, 8:09 PM MDT for Lemhi County, Idaho. It was in force for 2 hr. 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 21, 2014, 8:09 PM MDT (02:09 UTC)
- Expired
- Aug 21, 2014, 10:15 PM MDT
- In force
- 2 hr
- Issued by
- NWS Missoula, MT
- Area
- Storm-based polygon
- Flood severity
- None
County Lemhi County, ID
The radar
The Missoula radar (KMSX), 188 km from the middle of the area, began a volume at 02:10 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 00:00Z, 2.2 hours before the alert went out and 245 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
- 2965 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 23 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
779 WGUS55 KMSO 220209 FFWMSO IDC059-220415- /O.NEW.KMSO.FF.W.0008.140822T0209Z-140822T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MISSOULA MT 809 PM MDT THU AUG 21 2014 THE NATIONAL WEATHER SERVICE IN MISSOULA HAS ISSUED A * FLASH FLOOD WARNING FOR... OWL CREEK IN THE MUSTANG BURN IN NORTHWESTERN LEMHI COUNTY IN EAST CENTRAL IDAHO... * UNTIL 1015 PM MDT. * AT 759 PM MDT...DOPPLER RADAR INDICATED FLASH FLOODING OVER THE WARNED AREA. * LOCATIONS IMPACTED INCLUDE...OWL CREEK IN THE MUSTANG 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 4544 11452 4544 11435 4531 11439 4530 11449 $$
1 follow-up statement
825 WGUS75 KMSO 220356 FFSMSO FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE MISSOULA MT 956 PM MDT THU AUG 21 2014 IDC059-220406- /O.CAN.KMSO.FF.W.0008.000000T0000Z-140822T0415Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ LEMHI ID- 956 PM MDT THU AUG 21 2014 ...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN LEMHI COUNTY... LAT...LON 4544 11452 4544 11435 4531 11439 4530 11449 $$
The office that day
Everything else NWS Missoula, MT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 10:46 PM MDT | Areal Flood Advisory | MSO | Lemhi | 119 min |
| Aug 22, 4:09 AM MDT | Flood Watch | MSO | Idaho, Lemhi | 24 hr |
| Aug 22, 4:26 PM MDT | Special Weather Statement | MSO | Clearwater | 34 min |
| Aug 22, 4:46 PM MDT | Areal Flood Advisory | MSO | Idaho | 119 min |
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.