Alert archive / Arizona / Fire Weather Watches in 2021
Fire Weather Watch 8, NWS Tucson, AZ
NWS Tucson, AZ issued this fire weather watch at Apr 19, 2021, 1:35 PM MST for 6 counties in Arizona. It took effect at Apr 21, 2021, 11:00 AM MST. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 19, 2021, 1:35 PM MST (20:35 UTC)
- In effect from
- Apr 21, 2021, 11:00 AM MST
- Expired
- Apr 20, 2021, 2:53 PM MST
- In force
- Issued by
- NWS Tucson, AZ
Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ
The radar
The Tucson radar (KEMX), 61 km from the middle of the area, began a volume at 20:37 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
Tuscon, AZ (KTUS), launched 12:00Z, 8.6 hours before the alert went out and 49 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
- 37 J/kg
- Mixed-layer CIN
- -226 J/kg
- Mixed-layer LCL
- 2194 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 9 m²/s²
- 0-3 km storm-relative helicity
- 20 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 Tucson, AZ wrote its last area forecast discussion before this fire weather watch went out at Apr 19, 2:17 AM MST, 11 hours 18 minutes earlier.
Area forecast discussion, Apr 19, 2:17 AM MST, 11 hours 18 minutes before
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</html>The office that day
Everything else NWS Tucson, AZ issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 18, 5:21 PM MST | Special Weather Statement | TWC | Pinal | 39 min |
Nearby
Fire Weather Watches in Arizona, 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.