Alert archive / Texas / Tornado Warnings in 1999
Tornado Warning 13, NWS Lubbock, TX
NWS Lubbock, TX issued this tornado warning at May 9, 1999, 5:23 PM CDT for Garza County, Texas. It was in force for 52 min. 3 reports came from inside the area while it was in force.
The area
The outline the Iowa Environmental Mesonet reconstructed for it; the warning itself named whole counties, with what was reported inside it.
The facts
- Issued
- May 9, 1999, 5:23 PM CDT (22:23 UTC)
- Expired
- May 9, 1999, 6:15 PM CDT
- In force
- 52 min
- Issued by
- NWS Lubbock, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Garza County, TX
The radar
The Lubbock radar (KLBB), 64 km from the middle of the area, began a volume at 22:24 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 |
|---|---|---|---|
| May 9, 5:50 PM CDT | Tornado F0 | Post, TX | A brief tornado touchdown in open country was reported by the public. No NWS survey was done. |
| May 9, 5:55 PM CDT | Hail 2.75 | Post, TX | |
| May 9, 6:15 PM CDT | Thunderstorm Wind | Post, TX | Strong thunderstorm wind lifted the roof off a house, blew windows out of cars and snapped power poles. |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
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 9, 2:00 PM CDT | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 10.4 hours before the alert went out and 157 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
- 1809 J/kg
- Mixed-layer CIN
- -293 J/kg
- Mixed-layer LCL
- 1047 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 114 m²/s²
- 0-3 km storm-relative helicity
- 106 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted, in the capitals the NWS used until 2016.
999 WFUS1 KLBB 092226 RRA TORLBB TXC169-092315- BULLETIN - EAS ACTIVATION REQUESTED TORNADO WARNING NATIONAL WEATHER SERVICE LUBBOCK TX 523 PM CDT SUN MAY 9 1999 THE NATIONAL WEATHER SERVICE IN LUBBOCK HAS ISSUED A * TORNADO WARNING FOR... GARZA COUNTY IN NORTHWEST TEXAS * UNTIL 615 PM CDT * AT 519 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO 5 MILES WEST OF GRAHAM...OR ABOUT 10 MILES WEST OF POST...MOVING EAST AT 25 MPH. * SOME LOCATIONS IN OR NEAR THE PATH OF THE TORNADO INCLUDE GRAHAM AND POST. IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A REINFORCED BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW SPOT AND COVER YOUR HEAD WITH YOUR HANDS. LAT...LON 3326 10156 3306 10157 3309 10114 3331 10118
The office that day
Everything else NWS Lubbock, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 9, 2:25 PM CDT | Severe Thunderstorm Warning | LUB | Lynn, Terry | 50 min |
| May 9, 2:29 PM CDT | Severe Thunderstorm Warning | LUB | Hockley, Lubbock | 46 min |
| May 9, 2:41 PM CDT | Severe Thunderstorm Warning | LUB | Lubbock | 49 min |
| May 9, 2:44 PM CDT | Severe Thunderstorm Warning | LUB | Hale | 61 min |
| May 9, 2:59 PM CDT | Severe Thunderstorm Warning | LUB | Swisher | 61 min |
| May 9, 3:10 PM CDT | Severe Thunderstorm Warning | LUB | Crosby, Floyd | 65 min |
| May 9, 4:10 PM CDT | Severe Thunderstorm Warning | LUB | Lynn | 50 min |
| May 9, 4:32 PM CDT | Severe Thunderstorm Warning | LUB | Hockley, Lubbock | 43 min |
| May 9, 4:59 PM CDT | Severe Thunderstorm Warning | LUB | Lynn | 31 min |
| May 9, 5:07 PM CDT | Tornado Warning | LUB | Lynn | 53 min |
| May 9, 5:19 PM CDT | Severe Thunderstorm Warning | LUB | Floyd | 41 min |
| May 9, 5:51 PM CDT | Severe Thunderstorm Warning | LUB | Motley | 39 min |
| May 9, 5:54 PM CDT | Severe Thunderstorm Warning | LUB | Crosby | 51 min |
| May 9, 6:12 PM CDT | Tornado Warning | LUB | Garza, Kent | 63 min |
| May 9, 6:29 PM CDT | Flash Flood Warning | LUB | Lubbock | 2 hr |
| May 9, 6:33 PM CDT | Tornado Warning | LUB | Garza | 57 min |
| May 9, 6:44 PM CDT | Severe Thunderstorm Warning | LUB | Crosby | 46 min |
| May 9, 6:53 PM CDT | Severe Thunderstorm Warning | LUB | Childress | 37 min |
| May 9, 6:56 PM CDT | Severe Thunderstorm Warning | LUB | Dickens | 49 min |
Nearby
Tornado Warnings in Texas, 1999Every tornado warning in 1999Tornadoes in 1999
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.