Alert archive / Utah / Special Weather Statements in 2015
Special Weather Statement, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this special weather statement at Oct 19, 2015, 4:35 AM MDT. It was in force for 40 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
- Oct 19, 2015, 4:35 AM MDT (10:35 UTC)
- Expired
- Oct 19, 2015, 5:15 AM MDT
- In force
- 40 min
- Issued by
- NWS Salt Lake City, UT
The radar
The Cedar City radar (KICX), 161 km from the middle of the area, began a volume at 10:36 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
Flgstf/Belemont, AZ (KFGZ), launched 00:00Z, 10.6 hours before the alert went out and 220 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
- 223 J/kg
- Mixed-layer CIN
- -70 J/kg
- Mixed-layer LCL
- 1028 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 83 m²/s²
- 0-3 km storm-relative helicity
- 88 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
The text
As transmitted, in the capitals the NWS used until 2016.
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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 Salt Lake City, UT wrote its last area forecast discussion before this special weather statement went out at Oct 18, 9:34 PM MDT, 7 hours 1 minute earlier.
Area forecast discussion, Oct 18, 9:34 PM MDT, 7 hours 1 minute before
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</html>Hazardous weather outlook, Oct 18, 9:42 PM MDT, 6 hours 53 minutes before
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</html>In the hours before
Special weather statement, Oct 19, 4:35 AM MDT, 0 minutes before
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<div class="status" id="status">Temporary Notice</div>
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</html>The office that day
Everything else NWS Salt Lake City, UT issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 6:06 PM MDT | Severe Thunderstorm Warning | SLC | Box Elder | 39 min |
| Oct 18, 6:31 PM MDT | Special Weather Statement | SLC | Washington | 29 min |
| Oct 18, 8:55 PM MDT | Flash Flood Warning | SLC | Kane, Washington | 3 hr |
| Oct 18, 11:34 PM MDT | Areal Flood Advisory | SLC | Carbon | 86 min |
| Oct 19, 2:55 AM MDT | Flash Flood Warning | SLC | Garfield, Kane | 4 hr |
Nearby
Special Weather Statements in Utah, 2015Every special weather statement in 2015
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.