Alert archive / North Carolina / Severe Thunderstorm Warnings in 2009

Severe Thunderstorm Warning 9, NWS Newport/Morehead City, NC

January 7, 20094 counties in North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Jan 7, 2009, 6:59 PM EST for 4 counties in North Carolina. It was in force for 61 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jan 7, 2009, 6:59 PM EST (23:59 UTC)
Expired
Jan 7, 2009, 8:00 PM EST
In force
61 min
Issued by
NWS Newport/Morehead City, NC
Area
Storm-based polygon

Counties Carteret County, NC, Craven County, NC, Hyde County, NC, Pamlico County, NC

The radar

The Morehead City radar (KMHX), 47 km from the middle of the area, began a volume at 00:00 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

Newport, NC (KMHX), launched 12:00Z, 12.0 hours before the alert went out and 47 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, Newport, NC at 12:00Z on 2009-01-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 153 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, Newport, NC at 12:00Z on 2009-01-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 261 square meters per square second.1939587897Sfc1 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
153 J/kg
Mixed-layer CIN
-6 J/kg
Mixed-layer LCL
478 m above ground
0-6 km bulk shear
68 kt
0-1 km storm-relative helicity
261 m²/s²
0-3 km storm-relative helicity
342 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The office that day

Everything else NWS Newport/Morehead City, NC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 7, 10:36 AM ESTSpecial Marine WarningMHX54 min
Jan 7, 10:36 AM ESTSevere Thunderstorm WarningMHXBeaufort, Craven, Dare, Hyde, Jones, Martin and 3 more39 min
Jan 7, 10:46 AM ESTSpecial Marine WarningMHX59 min
Jan 7, 11:15 AM ESTSevere Thunderstorm WarningMHXDare, Hyde, Tyrrell45 min
Jan 7, 11:33 AM ESTSpecial Marine WarningMHX27 min
Jan 7, 11:54 AM ESTSpecial Marine WarningMHX51 min
Jan 7, 12:02 PM ESTSpecial Marine WarningMHX58 min
Jan 7, 1:02 PM ESTSpecial Marine WarningMHX58 min
Jan 7, 3:49 PM ESTCoastal Flood AdvisoryMHX11 hr
Jan 7, 5:23 PM ESTSevere Thunderstorm WarningMHXDuplin, Jones, Lenoir, Onslow52 min
Jan 7, 5:51 PM ESTSevere Thunderstorm WarningMHXGreene, Pitt45 min
Jan 7, 6:11 PM ESTSevere Thunderstorm WarningMHXMartin64 min
Jan 7, 6:24 PM ESTSevere Thunderstorm WarningMHXBeaufort55 min
Jan 7, 6:35 PM ESTSevere Thunderstorm WarningMHXCarteret, Craven, Onslow, Pamlico25 min
Jan 7, 6:42 PM ESTSevere Thunderstorm WarningMHXTyrrell, Washington63 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2009Every severe thunderstorm warning in 2009

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.