Alert archive / South Carolina / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 13, NWS Charleston, SC

February 22, 2003Beaufort County, South Carolina

NWS Charleston, SC issued this severe thunderstorm warning at Feb 22, 2003, 1:23 PM EST for Beaufort County, South Carolina. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Feb 22, 2003, 1:23 PM EST (18:23 UTC)
Expired
Feb 22, 2003, 2:15 PM EST
In force
52 min
Issued by
NWS Charleston, SC
Area
Counties, with a storm outline in the text

County Beaufort County, SC

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Feb 22, 11:55 AM ESTTornado WatchSPC5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 6.4 hours before the alert went out and 89 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, Charleston AFB, SC at 12:00Z on 2003-02-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 392 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Charleston AFB, SC at 12:00Z on 2003-02-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 0 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
392 J/kg
Mixed-layer CIN
-61 J/kg
Mixed-layer LCL
520 m above ground
0-6 km bulk shear
0 kt
0-1 km storm-relative helicity
0 m²/s²
0-3 km storm-relative helicity
0 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

858 
WUUS52 KCHS 221823
SVRCHS
SCC013-221915-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CHARLESTON SC
123 PM EST SAT FEB 22 2003

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BEAUFORT COUNTY IN SOUTHEAST SOUTH CAROLINA...

* UNTIL 215 PM EST

* AT 122 PM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING WIND GUSTS IN EXCESS OF 70
  MPH 10 MILES NORTHWEST OF BLUFFTON...OR ABOUT 10 MILES SOUTH OF
  RIDGELAND...MOVING NORTHEAST AT 45 MPH.

* SOME LOCATIONS IN OR NEAR THE PATH OF THE STORM INCLUDE...
  BLUFFTON...
  HILTON HEAD ISLAND...
  FOLLY FIELD...
  PORT ROYAL AND PARRIS ISLAND...
  BEAUFORT...

A TORNADO WATCH IS ALSO IN EFFECT. SEVERE THUNDERSTORMS CAN PRODUCE
TORNADOES WITH LITTLE OR NO ADVANCED WARNING. REMAIN ALERT FOR
RAPIDLY CHANGING WEATHER CONDITIONS AND BE READY TO ACT QUICKLY.

LAT...LON 3242 8080 3228 8093 3211 8079 3243 8045
          3267 8077 3266 8083

$$

24

The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 22, 12:18 PM ESTSevere Thunderstorm WarningCHSAllendale57 min
Feb 22, 12:34 PM ESTSevere Thunderstorm WarningCHSHampton41 min
Feb 22, 12:52 PM ESTSevere Thunderstorm WarningCHSColleton53 min
Feb 22, 1:01 PM ESTSpecial Marine WarningCHS89 min
Feb 22, 1:01 PM ESTSpecial Marine WarningCHS89 min
Feb 22, 1:03 PM ESTSevere Thunderstorm WarningCHSJasper57 min
Feb 22, 1:37 PM ESTSevere Thunderstorm WarningCHSColleton, Dorchester53 min
Feb 22, 1:45 PM ESTSpecial Marine WarningCHS60 min
Feb 22, 2:01 PM ESTSevere Thunderstorm WarningCHSBerkeley, Charleston74 min
Feb 22, 2:15 PM ESTSpecial Marine WarningCHS2 hr
Feb 22, 2:33 PM ESTSpecial Marine WarningCHS87 min
Feb 22, 3:53 PM ESTSevere Thunderstorm WarningCHSCharleston67 min
Feb 22, 4:10 PM ESTSpecial Marine WarningCHS35 min
Feb 22, 4:15 PM ESTSpecial Marine WarningCHS90 min

Nearby

Severe Thunderstorm Warnings in South Carolina, 2003Every severe thunderstorm warning in 2003

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.