Alert archive / Texas / Tornado Watches in 1999
Tornado Watch 193
The Storm Prediction Center issued this tornado watch at May 1, 1999, 4:00 PM MDT for 4 counties in New Mexico; 21 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- May 1, 1999, 4:00 PM MDT (22:00 UTC)
- Expired
- May 1, 1999, 9:00 PM MDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 25 counties
Curry County, NM, Lea County, NM, Quay County, NM, Roosevelt County, NM, Andrews County, TX, Bailey County, TX, Castro County, TX, Cochran County, TX, Crane County, TX, Dawson County, TX, Deaf Smith County, TX, Ector County, TX, Gaines County, TX, Hockley County, TX, Lamb County, TX, Martin County, TX, Midland County, TX, Oldham County, TX, Parmer County, TX, Pecos County, TX, Terry County, TX, Upton County, TX, Ward County, TX, Winkler County, TX, Yoakum County, TX
The radar
The Lubbock radar (KLBB), 78 km from the middle of the area, began a volume at 22:03 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.
Warnings issued inside it
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 4:07 PM MDT | Tornado Warning | LUB | Lamb | 33 min |
| May 1, 4:25 PM MDT | Severe Thunderstorm Warning | ABQ | Quay | 30 min |
| May 1, 4:36 PM MDT | Tornado Warning | MAF | Martin | 24 min |
| May 1, 4:56 PM MDT | Tornado Warning | MAF | Martin | 34 min |
| May 1, 5:00 PM MDT | Severe Thunderstorm Warning | ABQ | Quay | 30 min |
| May 1, 5:06 PM MDT | Tornado Warning | LUB | Castro | 34 min |
| May 1, 5:28 PM MDT | Tornado Warning | ABQ | Quay | 27 min |
| May 1, 5:30 PM MDT | Tornado Warning | MAF | Martin | 30 min |
| May 1, 6:37 PM MDT | Flash Flood Warning | LUB | Castro | 2 hr |
| May 1, 6:41 PM MDT | Severe Thunderstorm Warning | LUB | Castro | 34 min |
| May 1, 6:47 PM MDT | Severe Thunderstorm Warning | LUB | Hockley, Lamb | 33 min |
| May 1, 7:16 PM MDT | Severe Thunderstorm Warning | LUB | Castro, Swisher | 34 min |
| May 1, 7:42 PM MDT | Flash Flood Warning | MAF | Gaines | 3 hr |
| May 1, 7:43 PM MDT | Tornado Warning | LUB | Hale, Lamb | 32 min |
| May 1, 7:47 PM MDT | Severe Thunderstorm Warning | AMA | Oldham | 58 min |
| May 1, 8:17 PM MDT | Severe Thunderstorm Warning | MAF | Gaines | 28 min |
| May 1, 8:41 PM MDT | Severe Thunderstorm Warning | MAF | Andrews, Gaines | 34 min |
| May 1, 8:47 PM MDT | Severe Thunderstorm Warning | MAF | Dawson | 58 min |
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 10.0 hours before the alert went out and 188 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
- 199 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 536 m above ground
- 0-6 km bulk shear
- 66 kt
- 0-1 km storm-relative helicity
- 317 m²/s²
- 0-3 km storm-relative helicity
- 505 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 4.3
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 1, 2:00 PM MDT | Severe Thunderstorm Watch | SPC | Andrews, Borden, Crane, Dawson, Ector, Gaines and 11 more | 5 hr |
Nearby
Tornado Watches in Texas, 1999Tornado Watches in New Mexico, 1999Every tornado watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.