Alert archive / Idaho / Special Weather Statements in 2019
Special Weather Statement, NWS Pocatello, ID
NWS Pocatello, ID issued this special weather statement at Aug 5, 2019, 4:01 PM MDT for Clark County, Idaho. It was in force for 44 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 5, 2019, 4:01 PM MDT (22:01 UTC)
- Expired
- Aug 5, 2019, 4:45 PM MDT
- In force
- 44 min
- Issued by
- NWS Pocatello, ID
County Clark County, ID
The radar
The Pocatello radar (KSFX), 143 km from the middle of the area, began a volume at 22:05 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
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The text
As transmitted.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Aug 5, 1:55 PM MDT, 2 hours 6 minutes earlier.
Area forecast discussion, Aug 5, 1:55 PM MDT, 2 hours 6 minutes before
Area Forecast Discussion National Weather Service Pocatello ID 155 PM MDT Mon Aug 5 2019 .DISCUSSION...Tonight through next Monday. A ridge of high pressure centered near the 4-corners region remains the driving influence in the forecast at least through Wednesday as monsoon or sub-tropical moisture rotates north around the high toward southern Idaho. Isolated diurnal thunderstorm activity is favored over the mountains this evening and again Tuesday afternoon/evening as a result. By Wednesday, the next push of sub-tropical moisture works north through Utah into SE Idaho. Cloud cover and embedded disturbances will have a profound impact on the extent of thunderstorm activity each afternoon but for now, it looks as if we could see scattered coverage primarily over the CNTRL and SRN mountains Thursday (perhaps scattered coverage sneaking out into the Magic Valley and Snake Plain in the evening) and then again Friday across the CNTRL mountains as a stronger and drier southwest flow begins to lift NE across Nevada into the SRN Idaho border regions ahead of a deep Pacific low pressure system. Precipitable water (PW) values during the monsoon push will be running above 1.0 inches across the Snake River Plain and SE mountains Wednesday and Thursday raising the likelihood for heavy precipitation amounts in those regions. Progressively drier and windier conditions spread across the region Saturday through Monday as the Pacific low lifts NE through Oregon and into WRN Montana with obvious fire weather impacts. Huston && .AVIATION...Skies and vis are forecast to be VFR the next 24 hours with only a slight chance for an evening thunderstorm today. Outflow winds would increase winds at any location should any thunderstorm develop nearby. Otherwise, light winds will prevail. NP && .FIRE WEATHER...Southeast Idaho will lie on the north side of a ridge of high pressure today with only a slight chance for showers and thunderstorms this evening. The main story will be the warm, even hot temperatures forecast into the 90s across the valleys with near or at critical RH values. This trend continues tomorrow. Wind speeds/gusts are expected to generally be light outside of two factors; outflow boundaries that would arise from thunderstorm activity; and stronger northerly winds forecast in the evening hours across the northern portion of 410 and 411 today and tomorrow and Wednesday. We are not anticipating issuing RFW's in the near term as a result. Late Wednesday, an increase in moisture will begin to surge into our area which will help increase the coverage of showers and thunderstorms across the region. By Thursday, moisture content increases quite a bit across all of Southeast Idaho accompanied by a shortwave trough. Almost all of the region should expect a chance of activity on this day. Upper dynamics are not particularly strong either day, so at this time we are not expecting severe weather. We will certainly be monitoring the potential for RFW's for scattered thunderstorms on Thursday. NP && .AIR STAGNATION...Southern Idaho may see an increase in smoke particulate resulting from fire activity in northeast Nevada, notably from the Shafter and Corta wildfires. Smoke activity should peak later this evening into the overnight hours along the border of Idaho and Utah but also affect the lower Snake River Plain and portions of the Caribou Highlands. Additionally, smoke across Central Idaho from the Cove Creek and other wildfires in the region are expected to produce smoke tracking mostly to the northeast this afternoon and evening. NP && .PIH WATCHES/WARNINGS/ADVISORIES...None. &&
In the hours before
Special weather statement, Aug 5, 2:22 PM MDT, 1 hour 39 minutes before
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</html>Special weather statement, Aug 5, 2:41 PM MDT, 1 hour 20 minutes before
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</html>Special weather statement, Aug 5, 3:31 PM MDT, 30 minutes before
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</html>Special weather statement, Aug 5, 4:01 PM MDT, 0 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 |
|---|---|---|---|---|
| Aug 4, 6:04 PM MDT | Special Weather Statement | PIH | Cassia | 41 min |
| Aug 4, 6:29 PM MDT | Special Weather Statement | PIH | Fremont | 31 min |
| Aug 4, 6:48 PM MDT | Special Weather Statement | PIH | Power | 42 min |
| Aug 4, 6:58 PM MDT | Special Weather Statement | PIH | Fremont | 47 min |
| Aug 4, 7:39 PM MDT | Special Weather Statement | PIH | Teton | 36 min |
| Aug 4, 7:47 PM MDT | Severe Thunderstorm Warning | PIH | Teton | 13 min |
| Aug 5, 2:22 PM MDT | Special Weather Statement | PIH | Cassia | 83 min |
| Aug 5, 2:41 PM MDT | Special Weather Statement | PIH | Clark | 79 min |
| Aug 5, 3:31 PM MDT | Special Weather Statement | PIH | Oneida | 59 min |
| Aug 5, 4:16 PM MDT | Special Weather Statement | PIH | Bannock | 44 min |
| Aug 5, 4:22 PM MDT | Special Weather Statement | PIH | Power | 38 min |
| Aug 5, 5:28 PM MDT | Special Weather Statement | PIH | Franklin | 47 min |
| Aug 5, 5:59 PM MDT | Special Weather Statement | PIH | Bear Lake | 61 min |
Nearby
Special Weather Statements in Idaho, 2019Every special weather statement 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; radar from the NEXRAD Level II archive.