Alert archive / Arkansas / Tornado Warnings in 2008

Tornado Warning 13, NWS Shreveport, LA

March 14, 2008Union County, Arkansas

NWS Shreveport, LA issued this tornado warning at Mar 14, 2008, 10:06 PM CDT for Union County, Arkansas. It was in force for 54 min. 7 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: Mar 14, 2008, 10:06 PM CDT (03:06 UTC)
Expired: Mar 14, 2008, 11:00 PM CDT
In force: 54 min
Issued by: NWS Shreveport, LA
Area: Storm-based polygon

County Union County, AR

The radar

The Shreveport radar (KSHV), 153 km from the middle of the area, began a volume at 03:08 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

Time	Report	Where	Remark
Mar 14, 10:20 PM CDT	HAIL 1.75	Huttig, AR
Mar 14, 10:27 PM CDT	HAIL 1.75	Smackover, AR
Mar 14, 10:30 PM CDT	TSTM WND DMG	2 E El Dorado, AR	SEVERAL LARGE LIMBS WERE BLOWN DOWN
Mar 14, 10:30 PM CDT	HAIL 0.75	9 Ne El Dorado, AR
Mar 14, 10:38 PM CDT	HAIL 0.88	El Dorado, AR
Mar 14, 10:46 PM CDT	HAIL 1.75	El Dorado, AR
Mar 14, 11:00 PM CDT	TSTM WND DMG	Ne Strong, AR	SEVERAL LARGE LIMBS WERE BLOWN DOWN ON NEW LONDON HIGHWAY.

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

The watch it was issued in

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

Issued	Product	Office	Lasted
Mar 14, 7:14 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 3.1 hours before the alert went out and 145 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1478 J/kg
Mixed-layer CIN: -14 J/kg
Mixed-layer LCL: 1885 m above ground
0-6 km bulk shear: 63 kt
0-1 km storm-relative helicity: 100 m²/s²
0-3 km storm-relative helicity: 250 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 9.9

Open this sounding in Storm Lab

The text

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

000 
WFUS54 KSHV 150307
TORSHV
ARC139-150400-
/O.NEW.KSHV.TO.W.0013.080315T0306Z-080315T0400Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1006 PM CDT FRI MAR 14 2008

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  UNION COUNTY IN SOUTH CENTRAL ARKANSAS...
  THIS INCLUDES THE CITIES OF...SMACKOVER...NORPHLET...JUNCTION
  CITY...HUTTIG...EL DORADO...

* UNTIL 1100 PM CDT

* AT 1006 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 15 MILES WEST OF
  SMACKOVER...OR NEAR MOUNT HOLLY...MOVING SOUTHEAST AT 45 MPH.

* THE TORNADO WILL BE NEAR...
  9 MILES SOUTHWEST OF NORPHLET BY 1025 PM CDT...
  EL DORADO BY 1030 PM CDT...
  STRONG BY 1055 PM CDT...
  9 MILES WEST OF HUTTIG BY 1100 PM CDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ARKANSAS AND NORTHWESTERN LOUISIANA AND NORTHEAST
TEXAS.

LAT...LON 3336 9252 3334 9245 3329 9243 3330 9235
      3326 9224 3314 9210 3301 9208 3302 9277
      3315 9298 3338 9297
TIME...MOT...LOC 0306Z 300DEG 40KT 3331 9295

$$

15

1 follow-up statement

000 
WWUS54 KSHV 150331
SVSSHV

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
1030 PM CDT FRI MAR 14 2008

ARC139-150400-
/O.CON.KSHV.TO.W.0013.000000T0000Z-080315T0400Z/
UNION AR-
1030 PM CDT FRI MAR 14 2008

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR UNION
COUNTY...

AT 1030 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE A TORNADO.  THIS TORNADO WAS LOCATED JUST NORTH NORTHWEST 
OF EL DORADO...MOVING SOUTHEAST AT 40 MPH.

THE TORNADO WILL BE NEAR...
  EL DORADO BY 1035 PM CDT...
  STRONG BY 1100 PM CDT...

IN ADDITION TO THE TORNADO...THIS STORM IS CAPABLE OF PRODUCING GOLF 
BALL SIZE HAIL AND DESTRUCTIVE STRAIGHT LINE WINDS.

ARKANSAS STATE POLICE HAS REPORTED GOLFBALL SIZED HAIL AT 1027 PM IN 
SMACKOVER. 

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 TORNADO WATCH REMAINS IN EFFECT UNTIL 300 AM CDT SATURDAY MORNING
FOR SOUTHWESTERN ARKANSAS AND NORTHWESTERN LOUISIANA AND NORTHEAST
TEXAS.

LAT...LON 3336 9252 3334 9245 3329 9243 3330 9235
      3326 9224 3314 9210 3301 9208 3302 9277
      3313 9287 3337 9289
TIME...MOT...LOC 0330Z 298DEG 38KT 3323 9270

$$

15

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 14, 7:12 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Nevada	63 min
Mar 14, 7:20 PM CDT	Severe Thunderstorm Warning	SHV	Columbia, Lafayette, Miller	40 min
Mar 14, 7:30 PM CDT	Severe Thunderstorm Warning	SHV	Columbia, Lafayette	36 min
Mar 14, 7:40 PM CDT	Severe Thunderstorm Warning	SHV	Nevada	50 min
Mar 14, 7:49 PM CDT	Severe Thunderstorm Warning	SHV	Columbia, Lafayette, Nevada, Union	41 min
Mar 14, 8:17 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead, Lafayette, Little River, Miller	43 min
Mar 14, 8:30 PM CDT	Severe Thunderstorm Warning	SHV	Columbia, Union	60 min
Mar 14, 8:35 PM CDT	Severe Thunderstorm Warning	SHV	Nevada	55 min
Mar 14, 8:57 PM CDT	Severe Thunderstorm Warning	SHV	Hempstead	33 min
Mar 14, 9:18 PM CDT	Tornado Warning	SHV	Hempstead, Nevada	57 min
Mar 14, 9:23 PM CDT	Severe Thunderstorm Warning	SHV	Union	67 min
Mar 14, 9:38 PM CDT	Tornado Warning	SHV	Columbia	44 min
Mar 14, 11:00 PM CDT	Tornado Warning	SHV	Union	45 min

Nearby

Tornado Warnings in Arkansas, 2008 Every tornado warning in 2008 Tornadoes 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.