Alert archive / Texas / Tornado Warnings in 2003
Tornado Warning 18, NWS Shreveport, LA
NWS Shreveport, LA issued this tornado warning at May 7, 2003, 12:59 AM CDT for Harrison County, Marion County, Texas. It was in force for 61 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 7, 2003, 12:59 AM CDT (05:59 UTC)
- Expired
- May 7, 2003, 2:00 AM CDT
- In force
- 61 min
- Issued by
- NWS Shreveport, LA
- Area
- Counties, with a storm outline in the text
Counties Harrison County, TX, Marion County, TX
The radar
The Shreveport radar (KSHV), 73 km from the middle of the area, began a volume at 06:01 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 6, 11:30 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Shreveport, LA (KSHV), launched 00:00Z, 6.0 hours before the alert went out and 79 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.
- Mixed-layer CAPE
- 2206 J/kg
- Mixed-layer CIN
- -215 J/kg
- Mixed-layer LCL
- 1131 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 303 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 11.5
The text
As transmitted, in the capitals the NWS used until 2016.
521
WFUS54 KSHV 070559
TORSHV
TXC203-315-070700-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE SHREVEPORT LA
1258 AM CDT WED MAY 7 2003
THE NATIONAL WEATHER SERVICE IN SHREVEPORT HAS ISSUED A
* TORNADO WARNING FOR...
HARRISON COUNTY IN NORTHEAST TEXAS
MARION COUNTY IN NORTHEAST TEXAS
* UNTIL 200 AM CDT
* AT 1258 AM CDT...THE SHREVEPORT NATIONAL WEATHER SERVICE DOPPLER
RADAR INDICATED A TORNADO 20 MILES WEST OF JEFFERSON...OR NEAR ORE
CITY...MOVING EAST AT 30 MPH. NUMEROUS REPORTS OF TREES AND POWER
LINES...AND GOLFBALL SIZED HAIL...HAS BEEN REPORTED FROM THIS STORM AS
IT PASSED JUST NORTH OF GILMER.
* THE TORNADO IS EXPECTED TO BE NEAR...
3 MILES NORTH OF JEFFERSON AT 120 AM CDT
THIS THUNDERSTORM CAN PRODUCE A TORNADO THAT IS OBSCURED BY RAIN...
AND DIFFICULT TO SEE.
IN ADDITION TO THE THREAT OF A TORNADO...LARGE HAIL AND DAMAGING WIND
CAN BE EXPECTED. GO TO A SAFE PLACE...NOW
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A CULVERT...DITCH...OR
LOW SPOT...AND COVER YOUR HEAD.
REPEATING...THE NATIONAL WEATHER SERVICE HAS ISSUED A TORNADO WARNING
FOR...
HARRISON COUNTY IN NORTHEAST TEXAS
MARION COUNTY IN NORTHEAST TEXAS
UNTIL 200 AM CDT.
LAT...LON 3287 9469 3263 9469 3272 9421 3287 9412
3288 9457
$$The office that day
Everything else NWS Shreveport, LA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 11:12 PM CDT | Severe Thunderstorm Warning | SHV | Wood | 63 min |
| May 6, 11:41 PM CDT | Tornado Warning | SHV | Wood | 64 min |
| May 6, 11:53 PM CDT | Severe Thunderstorm Warning | SHV | Upshur | 52 min |
| May 7, 12:04 AM CDT | Tornado Warning | SHV | Upshur | 56 min |
| May 7, 1:59 AM CDT | Tornado Warning | SHV | Harrison, Marion | 46 min |
| May 7, 4:49 AM CDT | Flash Flood Warning | SHV | Bowie | 3 hr |
Nearby
Tornado Warnings in Texas, 2003Every tornado warning in 2003Tornadoes 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.