Alert archive / Utah / Fire Weather Watches in 2021
Fire Weather Watch 6, NWS Salt Lake City, UT
NWS Salt Lake City, UT issued this fire weather watch at May 17, 2021, 12:12 PM MDT for 7 counties in Utah. It took effect at May 21, 2021, 9:00 AM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- May 17, 2021, 12:12 PM MDT (18:12 UTC)
- In effect from
- May 21, 2021, 9:00 AM MDT
- Expired
- May 18, 2021, 3:25 PM MDT
- In force
- Issued by
- NWS Salt Lake City, UT
Counties Beaver County, UT, Garfield County, UT, Iron County, UT, Kane County, UT, San Juan County, UT, Washington County, UT, Wayne County, UT
The radar
The Cedar City radar (KICX), 78 km from the middle of the area, began a volume at 18:14 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, 6.2 hours before the alert went out and 332 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
- 25 J/kg
- Mixed-layer CIN
- -345 J/kg
- Mixed-layer LCL
- 1620 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 11 m²/s²
- 0-3 km storm-relative helicity
- 45 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this fire weather watch 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 fire weather watch went out at May 17, 9:33 AM MDT, 2 hours 39 minutes earlier.
Area forecast discussion, May 17, 9:33 AM MDT, 2 hours 39 minutes before
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</html>Hazardous weather outlook, May 17, 5:27 AM MDT, 6 hours 45 minutes before
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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 |
|---|---|---|---|---|
| May 16, 7:30 PM MDT | Special Weather Statement | SLC | Salt Lake | 60 min |
| May 17, 12:12 PM MDT | Red Flag Warning | SLC | Beaver, Carbon, Emery, Garfield, Iron, Juab and 9 more | 6 days |
| May 17, 1:08 PM MDT | Special Weather Statement | SLC | Kane | 52 min |
| May 17, 1:46 PM MDT | Special Weather Statement | SLC | Salt Lake | 44 min |
| May 17, 1:54 PM MDT | Special Weather Statement | SLC | Wasatch | 51 min |
| May 17, 2:27 PM MDT | Areal Flood Advisory | SLC | Washington | 93 min |
| May 17, 4:43 PM MDT | Special Weather Statement | SLC | Weber | 32 min |
Nearby
Fire Weather Watches in Utah, 2021Every fire weather watch in 2021
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.