Alert archive / Oklahoma / Tornado Warnings in 2003

Tornado Warning 9, NWS Shreveport, LA

May 1, 2003McCurtain County, Oklahoma

NWS Shreveport, LA issued this tornado warning at May 1, 2003, 7:06 PM CDT for McCurtain County, Oklahoma. It was in force for 54 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: May 1, 2003, 7:06 PM CDT (00:06 UTC)
Expired: May 1, 2003, 8:00 PM CDT
In force: 54 min
Issued by: NWS Shreveport, LA
Area: Counties, with a storm outline in the text

County McCurtain County, OK

The radar

The Western Arkansas radar (KSRX), 107 km from the middle of the area, began a volume at 00:09 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.

Issued	Product	Office	Lasted
May 1, 3:45 PM CDT	Tornado Watch	SPC	5 hr

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 0.1 hours before the alert went out and 238 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: 3075 J/kg
Mixed-layer CIN: -44 J/kg
Mixed-layer LCL: 926 m above ground
0-6 km bulk shear: 27 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 57 m²/s²
Significant tornado parameter: 1.0
Supercell composite: 5.7

Open this sounding in Storm Lab

The text

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

889 
WFUS54 KSHV 020006
TORSHV
OKC089-020100-

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
702 PM CDT THU MAY 1 2003

THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A

* TORNADO WARNING FOR...
  MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA

* UNTIL 800 PM CDT

* AT 702 PM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER   
RADAR INDICATED A THUNDERSTORM CAPABLE OF PRODUCING A TORNADO JUST 
NORTH OF PICKENS OR 5 MILES WEST OF BATTIEST...MOVING EAST 
SOUTHEAST AT 15 MPH.

A SECOND STORM CAPABLE OF PRODUCING A TORNADO WAS LOCATED NEAR
RINGOLD...MOVING EAST NORTHEAST NEAR 20 MPH. 

* THE TORNADO IS EXPECTED TO BE NEAR...
  THE TOWNS OF PICKENS...BATTIEST AND BETHEL ARE IN THE PATH OF
THESE DEVELOPING TORNADOES. 

REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
  MCCURTAIN COUNTY IN SOUTHEAST OKLAHOMA
UNTIL 800 PM CDT.

LAT...LON 3454 9508 3436 9513 3414 9449 3450 9448

$$

The office that day

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

Issued	Product	Office	Counties	Lasted
May 1, 7:58 PM CDT	Tornado Warning	SHV	McCurtain	62 min
May 1, 9:02 PM CDT	Tornado Warning	SHV	McCurtain	28 min
May 1, 9:31 PM CDT	Severe Thunderstorm Warning	SHV	McCurtain	59 min
May 1, 9:53 PM CDT	Tornado Warning	SHV	McCurtain	37 min
May 1, 10:34 PM CDT	Severe Thunderstorm Warning	SHV	McCurtain	56 min

Nearby

Tornado Warnings in Oklahoma, 2003 Every tornado warning in 2003 Tornadoes 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; radar from the NEXRAD Level II archive.