Alert archive / Mississippi / Flash Flood Warnings in 2010

Flash Flood Warning 12, NWS New Orleans, LA

June 30, 2010Hancock County, Harrison County, Jackson County, Mississippi

NWS New Orleans, LA issued this flash flood warning at Jun 30, 2010, 1:43 PM CDT for Hancock County, Harrison County, Jackson County, Mississippi. 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
Jun 30, 2010, 1:43 PM CDT (18:43 UTC)
Expired
Jun 30, 2010, 5:30 PM CDT
In force
4 hr
Issued by
NWS New Orleans, LA
Area
Storm-based polygon
Flood severity
None

Counties Hancock County, MS, Harrison County, MS, Jackson County, MS

The radar

The Mobile radar (KMOB), 84 km from the middle of the area, began a volume at 18:43 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

Jackson, MS (KJAN), launched 12:00Z, 6.7 hours before the alert went out and 232 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, Jackson, MS at 12:00Z on 2010-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 378 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, Jackson, MS at 12:00Z on 2010-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 30 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
378 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
851 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
30 m²/s²
0-3 km storm-relative helicity
22 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

Everything else NWS New Orleans, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 30, 3:59 AM CDTCoastal Flood AdvisoryLIXSaint Bernard18 hr
Jun 30, 6:24 AM CDTSpecial Marine WarningLIX36 min
Jun 30, 8:31 AM CDTSpecial Marine WarningLIX29 min
Jun 30, 8:47 AM CDTSpecial Marine WarningLIX118 min
Jun 30, 9:07 AM CDTSpecial Marine WarningLIX113 min
Jun 30, 9:43 AM CDTSpecial Marine WarningLIX2 hr
Jun 30, 10:39 AM CDTSpecial Marine WarningLIX66 min
Jun 30, 10:44 AM CDTSpecial Marine WarningLIX91 min
Jun 30, 11:18 AM CDTSpecial Marine WarningLIX117 min
Jun 30, 11:22 AM CDTSpecial Marine WarningLIX53 min
Jun 30, 11:50 AM CDTSpecial Marine WarningLIX55 min
Jun 30, 12:37 PM CDTSpecial Marine WarningLIX53 min
Jun 30, 12:44 PM CDTSpecial Marine WarningLIX50 min
Jun 30, 12:45 PM CDTAreal Flood AdvisoryLIXJefferson, Orleans, Plaquemines, Saint Bernard, Saint Tammany2 hr
Jun 30, 12:46 PM CDTSpecial Marine WarningLIX44 min
Jun 30, 12:48 PM CDTAreal Flood AdvisoryLIXOrleans, Saint Tammany, Tangipahoa117 min
Jun 30, 1:08 PM CDTSpecial Marine WarningLIX67 min
Jun 30, 1:33 PM CDTSpecial Marine WarningLIX57 min
Jun 30, 1:44 PM CDTSpecial Marine WarningLIX2 hr
Jun 30, 2:21 PM CDTSpecial Marine WarningLIX54 min
Jun 30, 2:33 PM CDTAreal Flood AdvisoryLIXTangipahoa, Washington117 min
Jun 30, 3:42 PM CDTSpecial Marine WarningLIX2 hr
Jun 30, 5:26 PM CDTSpecial Marine WarningLIX64 min
Jun 30, 3:14 PM CDTCoastal Flood WarningLIX7 hr

Nearby

Flash Flood Warnings in Mississippi, 2010Every flash flood warning in 2010

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.