Alert archive / North Carolina / Severe Thunderstorm Warnings in 2019

Severe Thunderstorm Warning 121, NWS Raleigh, NC

July 4, 2019Harnett County, Wake County, North Carolina

NWS Raleigh, NC issued this severe thunderstorm warning at Jul 4, 2019, 4:36 PM EDT for Harnett County, Wake County, North Carolina. It was in force for 54 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
Jul 4, 2019, 4:36 PM EDT (20:36 UTC)
Expired
Jul 4, 2019, 5:30 PM EDT
In force
54 min
Issued by
NWS Raleigh, NC
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Harnett County, NC, Wake County, NC

The radar

The Raleigh/Durham radar (KRAX), 26 km from the middle of the area, began a volume at 20:37 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

Roanoke, VA (KRNK), launched 12:00Z, 8.6 hours before the alert went out and 192 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, Roanoke, VA at 12:00Z on 2019-07-04Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 194 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, Roanoke, VA at 12:00Z on 2019-07-04The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 1 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
194 J/kg
Mixed-layer CIN
-87 J/kg
Mixed-layer LCL
1066 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
1 m²/s²
0-3 km storm-relative helicity
30 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 4, 12:50 PM EDTSpecial Weather StatementRAHMontgomery25 min
Jul 4, 12:55 PM EDTSevere Thunderstorm WarningRAHMontgomery, Moore50 min
Jul 4, 12:58 PM EDTHeat AdvisoryRAHCumberland, Sampson, Wayne5 hr
Jul 4, 1:24 PM EDTSpecial Weather StatementRAHDavidson, Stanly66 min
Jul 4, 1:33 PM EDTSpecial Weather StatementRAHDurham42 min
Jul 4, 1:38 PM EDTSpecial Weather StatementRAHWayne67 min
Jul 4, 1:48 PM EDTAreal Flood AdvisoryRAHAnson, Davidson, Montgomery, Moore, Randolph, Richmond and 1 more3 hr
Jul 4, 1:48 PM EDTSpecial Weather StatementRAHMontgomery, Moore, Richmond57 min
Jul 4, 2:38 PM EDTSpecial Weather StatementRAHJohnston67 min
Jul 4, 2:41 PM EDTSpecial Weather StatementRAHRandolph64 min
Jul 4, 2:45 PM EDTSpecial Weather StatementRAHAnson, Montgomery, Richmond, Stanly60 min
Jul 4, 2:53 PM EDTSevere Thunderstorm WarningRAHRichmond, Scotland35 min
Jul 4, 3:06 PM EDTSpecial Weather StatementRAHHoke54 min
Jul 4, 3:13 PM EDTSevere Thunderstorm WarningRAHAlamance, Orange29 min
Jul 4, 3:19 PM EDTSpecial Weather StatementRAHPerson56 min
Jul 4, 3:21 PM EDTSpecial Weather StatementRAHDavidson54 min
Jul 4, 3:30 PM EDTSpecial Weather StatementRAHHarnett60 min
Jul 4, 3:36 PM EDTSpecial Weather StatementRAHSampson54 min
Jul 4, 3:39 PM EDTSpecial Weather StatementRAHChatham51 min
Jul 4, 3:43 PM EDTSpecial Weather StatementRAHAnson, Montgomery, Richmond, Stanly62 min
Jul 4, 3:49 PM EDTSpecial Weather StatementRAHGranville56 min
Jul 4, 3:52 PM EDTSpecial Weather StatementRAHHarnett53 min
Jul 4, 3:53 PM EDTSpecial Weather StatementRAHWake37 min
Jul 4, 3:56 PM EDTSevere Thunderstorm WarningRAHGranville, Person49 min
Jul 4, 4:08 PM EDTSevere Thunderstorm WarningRAHJohnston, Wake40 min
Jul 4, 4:25 PM EDTSpecial Weather StatementRAHCumberland65 min
Jul 4, 4:30 PM EDTSpecial Weather StatementRAHHarnett60 min
Jul 4, 4:31 PM EDTSpecial Weather StatementRAHNash29 min
Jul 4, 4:50 PM EDTSpecial Weather StatementRAHVance55 min
Jul 4, 4:51 PM EDTSevere Thunderstorm WarningRAHWake39 min
Jul 4, 4:54 PM EDTAreal Flood AdvisoryRAHCumberland3 hr
Jul 4, 5:03 PM EDTAreal Flood AdvisoryRAHWake3 hr
Jul 4, 5:18 PM EDTFlash Flood WarningRAHCumberland3 hr
Jul 4, 5:24 PM EDTSpecial Weather StatementRAHFranklin66 min
Jul 4, 5:38 PM EDTSpecial Weather StatementRAHHalifax67 min
Jul 4, 5:56 PM EDTSevere Thunderstorm WarningRAHFranklin, Halifax, Nash, Warren53 min
Jul 4, 6:20 PM EDTAreal Flood AdvisoryRAHHalifax, Warren3 hr
Jul 4, 7:12 PM EDTSpecial Weather StatementRAHAlamance33 min

Nearby

Severe Thunderstorm Warnings in North Carolina, 2019Every severe thunderstorm warning in 2019

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.