Alert archive / Louisiana / Tornado Warnings in 2009

Tornado Warning 2, NWS Shreveport, LA

January 3, 2009Grant Parish, LaSalle Parish, Winn Parish, Louisiana

NWS Shreveport, LA issued this tornado warning at Jan 3, 2009, 4:28 PM CST for Grant Parish, LaSalle Parish, Winn Parish, Louisiana. It was in force for 32 min. 3 reports 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
Jan 3, 2009, 4:28 PM CST (22:28 UTC)
Expired
Jan 3, 2009, 5:00 PM CST
In force
32 min
Issued by
NWS Shreveport, LA
Area
Storm-based polygon

Counties Grant Parish, LA, LaSalle Parish, LA, Winn Parish, LA

What was reported inside it

TimeReportWhereRemark
Jan 3, 4:45 PM CSTHAIL 1.75Tullos, LAGOLF BALL SIZED HAIL IN TULLOS.
Jan 3, 4:50 PM CSTFUNNEL CLOUD2 Sw Tullos, LALAW ENFORCEMENT SITED A FUNNEL CLOUD ALONG THE GRANT/LASALLE PARISH LINE BETWEEN GEORGETOWN AND TULLOS. NO KNOWN TOUCHDOWNS AT THIS TIME.
Jan 3, 5:05 PM CSTHAIL 1Urania, LAAT LEAST QUARTER SIZED HAIL REPORTED AT THE HARDTNER MEDICAL CENTER IN URANIA. REPORT FROM A NURSE AT THE HOSPITAL.

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, 10.5 hours before the alert went out and 149 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 2009-01-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1311 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 2009-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 302 square meters per square second.1939587897Sfc1 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
1311 J/kg
Mixed-layer CIN
-26 J/kg
Mixed-layer LCL
541 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
302 m²/s²
0-3 km storm-relative helicity
277 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.

000 
WFUS54 KSHV 032228
TORSHV
LAC043-059-127-032300-
/O.NEW.KSHV.TO.W.0002.090103T2228Z-090103T2300Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
428 PM CST SAT JAN 3 2009

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN GRANT PARISH IN NORTH CENTRAL LOUISIANA...
  NORTHWESTERN LA SALLE PARISH IN NORTH CENTRAL LOUISIANA...
  EAST CENTRAL WINN PARISH IN NORTH CENTRAL LOUISIANA...

* UNTIL 500 PM CST

* AT 424 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR ZION...OR
  ABOUT 14 MILES SOUTHEAST OF WINNFIELD...MOVING NORTHEAST AT 20 MPH.

* THE TORNADO WILL BE NEAR...
  TULLOS BY 435 PM CST...
  URANIA BY 445 PM CST...
  6 MILES SOUTHEAST OF FLAT CREEK BY 450 PM CST...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CST
SATURDAY EVENING FOR NORTH CENTRAL LOUISIANA.

LAT...LON 3170 9235 3182 9257 3200 9243 3187 9218
TIME...MOT...LOC 2228Z 223DEG 18KT 3184 9241

$$

18
1 follow-up statement
000 
WWUS54 KSHV 032243
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
443 PM CST SAT JAN 3 2009

LAC043-059-127-032300-
/O.CON.KSHV.TO.W.0002.000000T0000Z-090103T2300Z/
WINN LA-GRANT LA-LA SALLE LA-
442 PM CST SAT JAN 3 2009

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 500 PM CST FOR
NORTHWESTERN LA SALLE...NORTHEASTERN GRANT AND EAST CENTRAL WINN
PARISHES...

AT 439 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED NEAR TULLOS...OR ABOUT
16 MILES EAST OF WINNFIELD...MOVING NORTHEAST AT 20 MPH. IN ADDITION...
THE THUNDERSTORM PRODUCING THIS TORNADO IS ALSO CAPABLE OF PRODUCING 
GOLFBALL SIZED HAIL...AND WINDS UP TO 60 MPH.

THE TORNADO WILL BE NEAR...
  URANIA AND 7 MILES SOUTHEAST OF FLAT CREEK BY 455 PM CST...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A BASEMENT. GET UNDER A
WORKBENCH OR OTHER PIECE OF STURDY FURNITURE. IF NO BASEMENT IS
AVAILABLE...SEEK SHELTER ON THE LOWEST FLOOR OF THE BUILDING IN AN
INTERIOR HALLWAY OR ROOM SUCH AS A CLOSET. USE BLANKETS OR PILLOWS TO
COVER YOUR BODY AND ALWAYS STAY AWAY FROM WINDOWS.

IF IN MOBILE HOMES OR VEHICLES...EVACUATE THEM AND GET INSIDE A
SUBSTANTIAL SHELTER. IF NO SHELTER IS AVAILABLE...LIE FLAT IN THE
NEAREST DITCH OR OTHER LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CST
SATURDAY EVENING FOR NORTH CENTRAL LOUISIANA.

LAT...LON 3172 9234 3182 9252 3199 9242 3187 9218
      3184 9221
TIME...MOT...LOC 2242Z 223DEG 18KT 3185 9237

$$

18

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 3, 3:11 PM CSTSevere Thunderstorm WarningSHVCaldwell, LaSalle, Winn49 min
Jan 3, 3:28 PM CSTSevere Thunderstorm WarningSHVGrant, LaSalle50 min
Jan 3, 3:51 PM CSTSevere Thunderstorm WarningSHVCaldwell, Grant, Jackson, LaSalle, Winn54 min
Jan 3, 3:54 PM CSTTornado WarningSHVGrant, Winn36 min
Jan 3, 5:00 PM CSTSevere Thunderstorm WarningSHVLaSalle55 min

Nearby

Tornado Warnings in Louisiana, 2009Every tornado warning in 2009Tornadoes in 2009

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.