Alert archive / Nevada / Areal Flood Warnings in 2014
Areal Flood Warning 9, NWS Las Vegas, NV
NWS Las Vegas, NV issued this areal flood warning at Sep 26, 2014, 2:52 PM PDT for Clark County, Nevada. It was in force for 12 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Sep 26, 2014, 2:52 PM PDT (21:52 UTC)
- Expired
- Sep 27, 2014, 2:45 AM PDT
- In force
- 12 hr
- Issued by
- NWS Las Vegas, NV
- Area
- Storm-based polygon
- Flood severity
- None
County Clark County, NV
The radar
The Las Vegas radar (KESX), 58 km from the middle of the area, began a volume at 21:55 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
Las Vegas, NV (KVEF), launched 12:00Z, 9.9 hours before the alert went out and 50 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
- 365 J/kg
- Mixed-layer CIN
- -151 J/kg
- Mixed-layer LCL
- 2032 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- 64 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
What forecasters said that day
The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Las Vegas, NV wrote its last area forecast discussion before this areal flood warning went out at Sep 26, 9:16 AM PDT, 5 hours 36 minutes earlier.
Area forecast discussion, Sep 26, 9:16 AM PDT, 5 hours 36 minutes before
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</html>In the hours before
Local storm report, Sep 26, 1:57 PM PDT, 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LAS VEGAS NV
157 PM PDT FRI SEP 26 2014
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0100 PM NON-TSTM WND GST 2 SE YUCCA FLAT (NTS SR 36.94N 116.04W
09/26/2014 M62 MPH NYE NV MESONET
TEST SITE SENSOR A43 REPORTED GUST TO 62 MPH.
&&
WOLCOTTThe office that day
Everything else NWS Las Vegas, NV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 2:53 AM PDT | Wind Advisory | VEF | Esmeralda, Lincoln, Nye | 17 hr |
| Sep 26, 11:50 AM PDT | Flash Flood Watch | VEF | Clark, Lincoln, Nye | 27 hr |
| Sep 26, 2:13 PM PDT | Areal Flood Advisory | VEF | Clark, Lincoln | 4 hr |
| Sep 26, 4:35 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
Nearby
Areal Flood Warnings in Nevada, 2014Every areal flood warning in 2014
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.