Alert archive / South Carolina / Tornado Warnings in 2019

Tornado Warning 9, NWS Charleston, SC

April 19, 2019Berkeley County, South Carolina

NWS Charleston, SC issued this tornado warning at Apr 19, 2019, 3:17 PM EDT for Berkeley County, South Carolina. It was in force for 28 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
Apr 19, 2019, 3:17 PM EDT (19:17 UTC)
Expired
Apr 19, 2019, 3:45 PM EDT
In force
28 min
Issued by
NWS Charleston, SC
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Berkeley County, SC

The radar

The Wilmington radar (KLTX), 142 km from the middle of the area, began a volume at 19:17 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 watch it was issued in

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

IssuedProductOfficeLasted
Apr 19, 10:44 AM EDTTornado WatchSPC5 hr

The nearest sounding before it

Charleston AFB, SC (KCHS), launched 12:00Z, 7.3 hours before the alert went out and 49 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 2019-04-19Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 22 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 2019-04-19The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 190 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
22 J/kg
Mixed-layer CIN
-362 J/kg
Mixed-layer LCL
1073 m above ground
0-6 km bulk shear
59 kt
0-1 km storm-relative helicity
190 m²/s²
0-3 km storm-relative helicity
158 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

296 
WFUS52 KCHS 191917
TORCHS
SCC015-191945-
/O.NEW.KCHS.TO.W.0009.190419T1917Z-190419T1945Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Charleston SC
317 PM EDT Fri Apr 19 2019

The National Weather Service in Charleston has issued a

* Tornado Warning for portions of...
  Berkeley County in southeastern South Carolina...

* Until 345 PM EDT.

* At 317 PM EDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located 15
  miles east of Moncks Corner, moving northeast at 35 mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Jamestown and Huger. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to an interior room on the lowest floor of a
sturdy building. Avoid windows. If you are outdoors, in a mobile
home, or in a vehicle, move to the closest substantial shelter and
protect yourself from flying debris.

&&

LAT...LON 3330 7966 3327 7956 3326 7956 3325 7955
      3324 7951 3312 7965 3300 7977 3316 7987
      3332 7974 3332 7970
TIME...MOT...LOC 1917Z 231DEG 29KT 3312 7977 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$

NED
3 follow-up statements
338 
WWUS52 KCHS 191924
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
324 PM EDT Fri Apr 19 2019

SCC015-191945-
/O.CON.KCHS.TO.W.0009.000000T0000Z-190419T1945Z/
Berkeley SC-
324 PM EDT Fri Apr 19 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR BERKELEY
COUNTY...

At 324 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located 16
miles northwest of McClellanville, moving northeast at 45 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Jamestown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3330 7966 3327 7956 3326 7956 3325 7955
      3324 7951 3312 7965 3311 7967 3320 7982
      3332 7974 3332 7970
TIME...MOT...LOC 1924Z 211DEG 41KT 3320 7972 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

NED
352 
WWUS52 KCHS 191930
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
330 PM EDT Fri Apr 19 2019

SCC015-191945-
/O.CON.KCHS.TO.W.0009.000000T0000Z-190419T1945Z/
Berkeley SC-
330 PM EDT Fri Apr 19 2019

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 345 PM EDT FOR BERKELEY
COUNTY...

At 330 PM EDT, a severe squall line capable of producing both
tornadoes and extensive straight line wind damage was located 16
miles northwest of McClellanville, moving northeast at 60 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Jamestown.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

Report damage directly to the Charleston National Weather Service at
1-888-383-2024 when it is safe to do so.

&&

LAT...LON 3330 7966 3327 7956 3326 7956 3325 7955
      3325 7956 3321 7961 3327 7977 3332 7974
      3332 7970
TIME...MOT...LOC 1930Z 226DEG 52KT 3328 7962 

TORNADO...RADAR INDICATED
HAIL...<.75IN

$$

NED
473 
WWUS52 KCHS 191937
SVSCHS

Severe Weather Statement
National Weather Service Charleston SC
337 PM EDT Fri Apr 19 2019

SCC015-191947-
/O.EXP.KCHS.TO.W.0009.000000T0000Z-190419T1945Z/
Berkeley SC-
337 PM EDT Fri Apr 19 2019

...THE TORNADO WARNING FOR BERKELEY COUNTY WILL EXPIRE AT 345 PM
EDT...
        
The storm which prompted the warning has weakened below severe
limits, and have exited the warned area. Therefore the warning will
be allowed to expire.

LAT...LON 3330 7966 3327 7956 3326 7956 3325 7955
      3325 7956 3321 7961 3327 7977 3332 7974
      3332 7970
TIME...MOT...LOC 1937Z 231DEG 29KT 3331 7957 

$$

NED

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 19, 3:03 AM EDTSpecial Marine WarningCHS57 min
Apr 19, 3:16 AM EDTRip Current StatementCHS17 hr
Apr 19, 3:16 AM EDTHigh Surf AdvisoryCHS20 hr
Apr 19, 7:30 AM EDTCoastal Flood AdvisoryCHS3 hr
Apr 19, 12:49 PM EDTSevere Thunderstorm WarningCHSAllendale, Beaufort, Colleton, Hampton, Jasper56 min
Apr 19, 12:49 PM EDTTornado WarningCHSHampton15 min
Apr 19, 12:52 PM EDTTornado WarningCHSJasper23 min
Apr 19, 1:27 PM EDTTornado WarningCHSBeaufort, Colleton19 min
Apr 19, 1:37 PM EDTTornado WarningCHSColleton18 min
Apr 19, 1:40 PM EDTSevere Thunderstorm WarningCHSBerkeley, Charleston, Colleton, Dorchester65 min
Apr 19, 1:43 PM EDTSevere Thunderstorm WarningCHSBeaufort, Colleton, Jasper39 min
Apr 19, 1:56 PM EDTSpecial Marine WarningCHS2 hr
Apr 19, 2:27 PM EDTSevere Thunderstorm WarningCHSBerkeley63 min
Apr 19, 2:36 PM EDTTornado WarningCHSBerkeley9 min
Apr 19, 2:39 PM EDTSevere Thunderstorm WarningCHSBerkeley, Charleston, Dorchester66 min
Apr 19, 3:56 PM EDTSmall Craft AdvisoryCHS32 hr

Nearby

Tornado Warnings in South Carolina, 2019Every tornado warning in 2019Tornadoes 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.