Alert archive / North Carolina / Severe Thunderstorm Warnings in 1991

Severe Thunderstorm Warning 2, NWS Newport/Morehead City, NC

March 3, 1991Tyrrell County, Washington County, North Carolina

NWS Newport/Morehead City, NC issued this severe thunderstorm warning at Mar 3, 1991, 7:07 AM EST for Tyrrell County, Washington County, North Carolina. It was in force for 68 min.

The area

The counties it named.

The facts

Issued
Mar 3, 1991, 7:07 AM EST (12:07 UTC)
Expired
Mar 3, 1991, 8:15 AM EST
In force
68 min
Issued by
NWS Newport/Morehead City, NC
Area
Whole counties

Counties Tyrrell County, NC, Washington County, NC

The nearest sounding before it

Cape Hatteras, NC (KHAT), launched 12:00Z, 0.1 hours before the alert went out and 102 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, Cape Hatteras, NC at 12:00Z on 1991-03-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 61 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, Cape Hatteras, NC at 12:00Z on 1991-03-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 163 square meters per square second.19395878Sfc1 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
61 J/kg
Mixed-layer CIN
-36 J/kg
Mixed-layer LCL
895 m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
163 m²/s²
0-3 km storm-relative helicity
191 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

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.

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 3, 11:45 AM ESTSevere Thunderstorm WarningMHXTyrrell, Washington60 min
Mar 3, 12:01 PM ESTSevere Thunderstorm WarningMHXTyrrell, Washington59 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 1991Every severe thunderstorm warning in 1991

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.