Alert archive / North Carolina / Severe Thunderstorm Warnings in 1989

Severe Thunderstorm Warning 19, NWS Wilmington, NC

April 27, 1989Carteret County, North Carolina

NWS Wilmington, NC issued this severe thunderstorm warning at Apr 27, 1989, 9:35 PM EDT for Carteret County, North Carolina. It was in force for 55 min.

The area

The counties it named.

The facts

Issued: Apr 27, 1989, 9:35 PM EDT (01:35 UTC)
Expired: Apr 27, 1989, 10:30 PM EDT
In force: 55 min
Issued by: NWS Wilmington, NC
Area: Whole counties

County Carteret County, NC

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Cape Hatteras, NC (KHAT), launched 00:00Z, 1.6 hours before the alert went out and 104 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 841 J/kg
Mixed-layer CIN: -117 J/kg
Mixed-layer LCL: 994 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 163 m²/s²
0-3 km storm-relative helicity: 194 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 8.2

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Local storm report, Apr 27, 8:26 PM EDT, 1 hour 9 minutes before

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Special weather statement, Apr 27, 8:56 PM EDT, 39 minutes before

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Local storm report, Apr 27, 9:14 PM EDT, 21 minutes before

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The office that day

Everything else NWS Wilmington, NC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 27, 8:51 PM EDT	Severe Thunderstorm Warning	ILM	Craven, Jones, Onslow	69 min
Apr 27, 9:57 PM EDT	Severe Thunderstorm Warning	ILM	Brunswick	63 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1989 Every severe thunderstorm warning in 1989

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.