Alert archive / Idaho / Areal Flood Warnings in 2017
Areal Flood Warning 13, NWS Pocatello, ID
NWS Pocatello, ID issued this areal flood warning at Feb 8, 2017, 8:43 PM MST for 12 counties in Idaho. It was in force for 63 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 8, 2017, 8:43 PM MST (03:43 UTC)
- Expired
- Feb 11, 2017, 11:30 AM MST
- In force
- 63 hr
- Issued by
- NWS Pocatello, ID
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bannock County, ID, Bingham County, ID, Blaine County, ID, Bonneville County, ID, Butte County, ID, Cassia County, ID, Franklin County, ID, Fremont County, ID, Jefferson County, ID, Madison County, ID, Power County, ID, Teton County, ID
The radar
The Pocatello radar (KSFX), 32 km from the middle of the area, began a volume at 03:42 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, 3.7 hours before the alert went out and 312 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
- 887 m above ground
- 0-6 km bulk shear
- 69 kt
- 0-1 km storm-relative helicity
- 326 m²/s²
- 0-3 km storm-relative helicity
- 483 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this areal flood warning went out, 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 this areal flood warning went out at Feb 8, 2:24 PM MST, 6 hours 19 minutes earlier.
Area forecast discussion, Feb 8, 2:24 PM MST, 6 hours 19 minutes before
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Local storm report, Feb 8, 2:50 PM MST, 5 hours 53 minutes before
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</html>Local storm report, Feb 8, 5:59 PM MST, 2 hours 44 minutes before
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</html>Local storm report, Feb 8, 6:04 PM MST, 2 hours 39 minutes before
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<main class="wrap">
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<div class="status" id="status">Temporary Notice</div>
<h1 id="headline">This service is currently unavailable.</h1>
<p id="message1">
The site you requested is temporarily down for maintenance or an unexpected outage.
</p>
<p id="message2">
Please try again in a few minutes.
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</html>The office that day
Everything else NWS Pocatello, ID issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 8, 8:52 PM MST | Areal Flood Warning | PIH | Bannock, Cassia, Franklin, Oneida, Power | 63 hr |
| Feb 9, 12:40 PM MST | River Flood Warning | PIH | Bannock | 5 days |
Nearby
Areal Flood Warnings in Idaho, 2017Every areal flood warning in 2017
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.