Alert archive / Alabama / Frost Advisories in 2014
Frost Advisory 4, NWS Huntsville, AL
NWS Huntsville, AL issued this frost advisory at Oct 22, 2014, 2:05 PM CDT for Jackson County, Limestone County, Madison County, Alabama; Franklin County, Lincoln County, Moore County, Tennessee. It took effect at Oct 23, 2014, 4:00 AM CDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Oct 22, 2014, 2:05 PM CDT (19:05 UTC)
- In effect from
- Oct 23, 2014, 4:00 AM CDT
- Expired
- Oct 23, 2014, 3:23 AM CDT
- In force
- Issued by
- NWS Huntsville, AL
Counties Jackson County, AL, Limestone County, AL, Madison County, AL, Franklin County, TN, Lincoln County, TN, Moore County, TN
The radar
The Northeast Alabama radar (KHTX), 32 km from the middle of the area, began a volume at 19:06 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
Nashville Metro, TN (KBNA), launched 12:00Z, 7.1 hours before the alert went out and 128 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 940 m above ground
- 0-6 km bulk shear
- 41 kt
- 0-1 km storm-relative helicity
- -109 m²/s²
- 0-3 km storm-relative helicity
- -24 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
Nearby
Frost Advisories in Alabama, 2014Frost Advisories in Tennessee, 2014Every frost advisory 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.