Alert archive / California / Flash Flood Warnings in 2015

Flash Flood Warning 22, NWS Hanford, CA

October 16, 2015Fresno County, California

NWS Hanford, CA issued this flash flood warning at Oct 16, 2015, 4:16 PM PDT for Fresno County, California. It was in force for 3 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
Oct 16, 2015, 4:16 PM PDT (23:16 UTC)
Expired
Oct 16, 2015, 7:15 PM PDT
In force
3 hr
Issued by
NWS Hanford, CA
Area
Storm-based polygon
Flood severity
None

County Fresno County, CA

The radar

The San Joaquin Valley radar (KHNX), 49 km from the middle of the area, began a volume at 23:18 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

Vandenberg AFB, CA (KVBG), launched 12:00Z, 11.3 hours before the alert went out and 238 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.

Skew-T log-pSkew-T log-p diagram, Vandenberg AFB, CA at 12:00Z on 2015-10-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Vandenberg AFB, CA at 12:00Z on 2015-10-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 27 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
4 J/kg
Mixed-layer CIN
-209 J/kg
Mixed-layer LCL
623 m above ground
0-6 km bulk shear
5 kt
0-1 km storm-relative helicity
27 m²/s²
0-3 km storm-relative helicity
23 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Hanford, CA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 15, 5:05 PM PDTSpecial Weather StatementHNXKings25 min
Oct 15, 5:08 PM PDTSpecial Weather StatementHNXKern52 min
Oct 15, 6:11 PM PDTSevere Thunderstorm WarningHNXKern34 min
Oct 15, 6:23 PM PDTSpecial Weather StatementHNXKings52 min
Oct 15, 6:44 PM PDTSpecial Weather StatementHNX46 min
Oct 15, 6:49 PM PDTAreal Flood WarningHNXTulare3 hr
Oct 15, 6:58 PM PDTSpecial Weather StatementHNXFresno47 min
Oct 16, 4:51 AM PDTFlash Flood WatchHNX15 hr
Oct 16, 11:17 AM PDTFlash Flood WarningHNXKern4 hr
Oct 16, 11:46 AM PDTFlash Flood WarningHNXFresno, Madera3 hr

Nearby

Flash Flood Warnings in California, 2015Every flash flood warning 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.