Alert archive / Texas / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 430, NWS Shreveport, LA

August 3, 2008Cherokee County, Nacogdoches County, Rusk County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Aug 3, 2008, 6:04 PM CDT for Cherokee County, Nacogdoches County, Rusk County, Texas. It was in force for 56 min. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Aug 3, 2008, 6:04 PM CDT (23:04 UTC)
Expired
Aug 3, 2008, 7:00 PM CDT
In force
56 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon

Counties Cherokee County, TX, Nacogdoches County, TX, Rusk County, TX

The radar

The Shreveport radar (KSHV), 127 km from the middle of the area, began a volume at 22:59 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.

What was reported inside it

TimeReportWhereRemark
Aug 3, 6:27 PM CDTTSTM WND DMG10 Wnw Nacogdoches, TXSEVERAL TREES DOWNED.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Shreveport, LA (KSHV), launched 12:00Z, 11.1 hours before the alert went out and 136 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, Shreveport, LA at 12:00Z on 2008-08-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 397 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, Shreveport, LA at 12:00Z on 2008-08-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.193958Sfc1 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
397 J/kg
Mixed-layer CIN
-465 J/kg
Mixed-layer LCL
1402 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
214 m²/s²
Significant tornado parameter
0.0
Supercell composite
2.4

Open this sounding in Storm Lab

The text

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

000 
WUUS54 KSHV 032304
SVRSHV
TXC073-347-401-040000-
/O.NEW.KSHV.SV.W.0430.080803T2304Z-080804T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
604 PM CDT SUN AUG 3 2008

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  NORTHWESTERN NACOGDOCHES COUNTY IN EASTERN TEXAS...
  EAST CENTRAL CHEROKEE COUNTY IN NORTHEAST TEXAS...
  THIS INCLUDES THE CITY OF RUSK...
  SOUTHWESTERN RUSK COUNTY IN NORTHEAST TEXAS...

* UNTIL 700 PM CDT

* AT 559 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE HAIL...AND
  DAMAGING WINDS IN EXCESS OF 60 MPH.  THIS STORM WAS LOCATED 22
  MILES EAST OF RUSK...OR ABOUT 19 MILES NORTHWEST OF NACOGDOCHES...
  AND MOVING SOUTHWEST AT 19 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  7 MILES SOUTHEAST OF RUSK BY 700 PM CDT...

IF YOU ARE IN THE PATH OF THESE STORMS...PREPARE IMMEDIATELY FOR 
DAMAGING WINDS...DESTRUCTIVE HAIL...AND DEADLY CLOUD TO GROUND LIGHTNING. 
PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...PREFERABLY INSIDE A STRONG 
BUILDING BUT AWAY FROM WINDOWS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY
EVENING FOR NORTHWESTERN LOUISIANA AND EASTERN TEXAS.

LAT...LON 3153 9494 3184 9518 3200 9478 3179 9462
TIME...MOT...LOC 2303Z 059DEG 17KT 3186 9480

$$

18
2 follow-up statements
000 
WWUS54 KSHV 032342
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
642 PM CDT SUN AUG 3 2008

TXC073-347-401-040000-
/O.CON.KSHV.SV.W.0430.000000T0000Z-080804T0000Z/
RUSK TX-CHEROKEE TX-NACOGDOCHES TX-
639 PM CDT SUN AUG 3 2008

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR NORTHWESTERN NACOGDOCHES...EAST CENTRAL CHEROKEE AND SOUTHWESTERN
RUSK COUNTIES...

AT 637 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A BAND OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING PENNY SIZE
HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH.  THESE STORMS WERE 
STRETCHING ACROSS EASTERN CHEROKEE COUNTY...FROM 7 MILES WEST OF REKLAW...
TO NEAR ALTO...AND WERE MOVING SOUTHWEST AT 24 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  RURAL CHEROKEE COUNTY AT 650 PM CDT

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY
EVENING FOR CENTRAL LOUISIANA AND EAST CENTRAL TEXAS. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL MIDNIGHT CDT MONDAY
MORNING FOR NORTHWESTERN LOUISIANA AND NORTHEASTERN TEXAS.

LAT...LON 3196 9488 3168 9476 3153 9494 3184 9518
TIME...MOT...LOC 2339Z 060DEG 12KT 3176 9500

$$

18
000 
WWUS54 KSHV 032358
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
658 PM CDT SUN AUG 3 2008

TXC073-347-401-040007-
/O.EXP.KSHV.SV.W.0430.000000T0000Z-080804T0000Z/
RUSK TX-CHEROKEE TX-NACOGDOCHES TX-
657 PM CDT SUN AUG 3 2008

...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN NACOGDOCHES...
EAST CENTRAL CHEROKEE AND SOUTHWESTERN RUSK COUNTIES EXPIRES AT 700
PM CDT...

STORMS IN THIS AREA HAVE WEAKENED BELOW SEVERE CRITERIA. A SEVERE 
THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 800 PM CDT SUNDAY
EVENING FOR CENTRAL LOUISIANA AND EAST CENTRAL TEXAS. A SEVERE
THUNDERSTORM WATCH ALSO REMAINS IN EFFECT UNTIL MIDNIGHT CDT MONDAY
MORNING FOR NORTHWESTERN LOUISIANA AND NORTHEASTERN TEXAS.

LAT...LON 3196 9488 3168 9476 3153 9494 3184 9518
TIME...MOT...LOC 2357Z 060DEG 12KT 3173 9506

$$

18

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 3, 3:47 PM CDTSevere Thunderstorm WarningSHVSabine43 min
Aug 3, 4:29 PM CDTSevere Thunderstorm WarningSHVAngelina, Sabine, San Augustine61 min
Aug 3, 4:44 PM CDTSevere Thunderstorm WarningSHVSabine, San Augustine, Shelby46 min
Aug 3, 5:07 PM CDTSevere Thunderstorm WarningSHVAngelina, Nacogdoches53 min
Aug 3, 6:24 PM CDTSevere Thunderstorm WarningSHVPanola, Shelby51 min

Nearby

Severe Thunderstorm Warnings in Texas, 2008Every severe thunderstorm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.