Alert archive / Vermont / Flash Flood Warnings in 2019

Flash Flood Warning 1, NWS Burlington, VT

April 15, 2019Addison County, Rutland County, Windsor County, Vermont

NWS Burlington, VT issued this flash flood warning at Apr 15, 2019, 5:41 AM EDT for Addison County, Rutland County, Windsor County, Vermont. It was in force for 4 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
Apr 15, 2019, 5:41 AM EDT (09:41 UTC)
Expired
Apr 15, 2019, 9:45 AM EDT
In force
4 hr
Issued by
NWS Burlington, VT
Area
Storm-based polygon
Flood severity
None

Counties Addison County, VT, Rutland County, VT, Windsor County, VT

The radar

The Burlington radar (KCXX), 89 km from the middle of the area, began a volume at 09:43 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

Albany, NY (KALY), launched 00:00Z, 9.7 hours before the alert went out and 137 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, Albany, NY at 00:00Z on 2019-04-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Albany, NY at 00:00Z on 2019-04-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 447 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
639 m above ground
0-6 km bulk shear
52 kt
0-1 km storm-relative helicity
447 m²/s²
0-3 km storm-relative helicity
518 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Burlington, VT issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 15, 3:29 AM EDTAreal Flood WarningBTVAddison, Orange, Rutland, Washington, Windsor12 hr
Apr 15, 4:02 AM EDTRiver Flood WarningBTVRutland51 hr
Apr 15, 6:13 AM EDTAreal Flood WarningBTVAddison, Orange, Washington8 hr
Apr 15, 7:15 AM EDTRiver Flood WarningBTVWashington10 hr
Apr 15, 7:15 AM EDTRiver Flood WarningBTVChittenden32 hr
Apr 15, 7:23 AM EDTRiver Flood WarningBTVCaledonia20 hr
Apr 15, 9:05 AM EDTAreal Flood WarningBTVWindsor6 hr
Apr 15, 9:52 AM EDTAreal Flood WarningBTVOrange, Windsor5 hr
Apr 15, 10:54 AM EDTAreal Flood WarningBTVCaledonia, Orange, Washington4 hr
Apr 15, 3:12 PM EDTAreal Flood WarningBTVCaledonia, Orange, Rutland, Windsor6 hr

Nearby

Flash Flood Warnings in Vermont, 2019Every flash flood warning in 2019

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.