Alert archive / Idaho / Flash Flood Watches in 2019
Flash Flood Watch 2, NWS Pocatello, ID
NWS Pocatello, ID issued this flash flood watch at Sep 6, 2019, 11:45 AM MDT for Blaine County, Butte County, Custer County, Idaho. It took effect at Sep 6, 2019, 1:00 PM MDT. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Sep 6, 2019, 11:45 AM MDT (17:45 UTC)
- In effect from
- Sep 6, 2019, 1:00 PM MDT
- Expired
- Sep 6, 2019, 4:33 PM MDT
- In force
- 4 hr
- Issued by
- NWS Pocatello, ID
Counties Blaine County, ID, Butte County, ID, Custer County, ID
The radar
The Pocatello radar (KSFX), 119 km from the middle of the area, began a volume at 17:48 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
Elko, NV (KLKN), launched 12:00Z, 5.8 hours before the alert went out and 326 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
- 83 J/kg
- Mixed-layer CIN
- -135 J/kg
- Mixed-layer LCL
- 1482 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 33 m²/s²
- 0-3 km storm-relative helicity
- 50 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.0
What forecasters said that day
The local office's own words before this flash flood watch 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 flash flood watch went out at Sep 6, 3:05 AM MDT, 8 hours 40 minutes earlier.
Area forecast discussion, Sep 6, 3:05 AM MDT, 8 hours 40 minutes before
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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 |
|---|---|---|---|---|
| Sep 5, 9:49 PM MDT | Special Weather Statement | PIH | Power | 41 min |
| Sep 6, 2:23 AM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Boise, Bonneville and 19 more | 16 hr |
| Sep 6, 1:48 PM MDT | Special Weather Statement | PIH | Bear Lake | 42 min |
| Sep 6, 2:06 PM MDT | Special Weather Statement | PIH | Blaine | 54 min |
| Sep 6, 2:11 PM MDT | Special Weather Statement | PIH | Custer | 64 min |
| Sep 6, 2:20 PM MDT | Special Weather Statement | PIH | Cassia, Minidoka | 40 min |
| Sep 6, 2:33 PM MDT | Special Weather Statement | PIH | Bear Lake | 42 min |
| Sep 6, 3:11 PM MDT | Special Weather Statement | PIH | Butte, Power | 49 min |
| Sep 6, 3:31 PM MDT | Special Weather Statement | PIH | Oneida | 44 min |
| Sep 6, 5:04 PM MDT | Special Weather Statement | PIH | Clark, Fremont | 56 min |
Nearby
Flash Flood Watches in Idaho, 2019Every flash flood watch in 2019
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.