Alert archive / Idaho / Flash Flood Warnings in 1997
Flash Flood Warning 21, NWS Pocatello, ID
NWS Pocatello, ID issued this flash flood warning at Aug 12, 1997, 5:32 PM MDT for Oneida County, Idaho. It was in force for 43 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Aug 12, 1997, 5:32 PM MDT (23:32 UTC)
- Expired
- Aug 12, 1997, 6:15 PM MDT
- In force
- 43 min
- Issued by
- NWS Pocatello, ID
- Area
- Whole counties
County Oneida County, ID
The radar
The Pocatello radar (KSFX), 102 km from the middle of the area, began a volume at 23:32 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
Salt Lake City I, UT (KSLC), launched 12:00Z, 11.5 hours before the alert went out and 166 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
- 49 J/kg
- Mixed-layer CIN
- -152 J/kg
- Mixed-layer LCL
- 1661 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KPIH 122334 FFWPIH IDC071-130015- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD AND SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE POCATELLO ID 532 PM MDT TUE AUG 12 1997 THE NATIONAL WEATHER SERVICE IN POCATELLO HAS ISSUED A FLASH FLOOD AND SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 615 PM MDT FOR PEOPLE IN THE FOLLOWING LOCATION...... IN SOUTHEAST IDAHO ...NORTH CENTRAL ONEIDA COUNTY AT 530 PM...DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM 3 MILES WEST OF DANIELS MOVING EAST AT 15 MPH. THIS THUNDERSTORM IS LIKELY TO CONTAIN LARGE HAIL...VERY HEAVY RAINFALL AND FREQUENT LIGHTNING AS IT PASSES THROUGH THE COMMUNITY OF DANIELS BY 545 PM. MOST DEATHS IN FLASH FLOODING OCCUR IN AUT OMOBILES. DO NOT ATTEMPT TO CROSS A FLOODED ROAD. DJB
The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 11, 6:24 PM MDT | Flash Flood Warning | PIH | Madison | 66 min |
| Aug 12, 2:39 PM MDT | Severe Thunderstorm Warning | PIH | Cassia, Minidoka | 51 min |
| Aug 12, 3:35 PM MDT | Flash Flood Warning | PIH | Cassia | 55 min |
| Aug 12, 3:35 PM MDT | Severe Thunderstorm Warning | PIH | Cassia | 55 min |
| Aug 12, 4:07 PM MDT | Severe Thunderstorm Warning | PIH | Bannock | 53 min |
| Aug 12, 4:18 PM MDT | Flash Flood Warning | PIH | Bannock | 57 min |
| Aug 12, 4:18 PM MDT | Severe Thunderstorm Warning | PIH | Bannock | 57 min |
| Aug 12, 4:29 PM MDT | Flash Flood Warning | PIH | Power | 61 min |
| Aug 12, 4:29 PM MDT | Severe Thunderstorm Warning | PIH | Power | 61 min |
| Aug 12, 4:48 PM MDT | Flash Flood Warning | PIH | Cassia | 57 min |
| Aug 12, 5:15 PM MDT | Flash Flood Warning | PIH | Bannock, Caribou | 60 min |
| Aug 12, 5:32 PM MDT | Severe Thunderstorm Warning | PIH | Oneida | 43 min |
Nearby
Flash Flood Warnings in Idaho, 1997Every flash flood warning in 1997
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.