Alert archive / Florida / Flood Watches in 2014

Flood Watch 3, NWS Jacksonville, FL

September 26, 2014Flagler County, Florida

NWS Jacksonville, FL issued this flood watch at Sep 26, 2014, 8:10 PM EDT for Flagler County, Florida. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
Sep 26, 2014, 8:10 PM EDT (00:10 UTC)
Expired
Sep 27, 2014, 3:58 AM EDT
In force
8 hr
Issued by
NWS Jacksonville, FL
Flood severity
None

County Flagler County, FL

The radar

The Jacksonville radar (KJAX), 119 km from the middle of the area, began a volume at 00:11 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

Tampa Bay, FL (KTBW), launched 00:00Z, 0.2 hours before the alert went out and 224 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, Tampa Bay, FL at 00:00Z on 2014-09-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 339 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, Tampa Bay, FL at 00:00Z on 2014-09-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -40 square meters per square second.1939Sfc1 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
339 J/kg
Mixed-layer CIN
-47 J/kg
Mixed-layer LCL
500 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-40 m²/s²
0-3 km storm-relative helicity
-27 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS Jacksonville, FL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 26, 8:27 PM EDTAreal Flood AdvisoryJAXFlagler63 min
Sep 26, 9:28 PM EDTAreal Flood AdvisoryJAXFlagler62 min
Sep 26, 9:45 PM EDTAreal Flood WarningJAXFlagler3 hr
Sep 26, 10:52 PM EDTFlash Flood WarningJAXFlagler3 hr
Sep 27, 6:15 AM EDTAreal Flood AdvisoryJAXSaint Johns90 min
Sep 27, 10:01 AM EDTAreal Flood AdvisoryJAXFlagler, Saint Johns89 min
Sep 27, 10:44 AM EDTFlood WatchJAXFlagler17 hr
Sep 27, 11:22 AM EDTAreal Flood WarningJAXFlagler113 min
Sep 27, 5:27 PM EDTAreal Flood AdvisoryJAXGilchrist48 min
Sep 27, 6:25 PM EDTAreal Flood AdvisoryJAXGilchrist50 min

Nearby

Flood Watches in Florida, 2014Every flood watch 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.