Alert archive / Texas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 140, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this severe thunderstorm warning at May 28, 1999, 6:42 PM CDT for Brewster County, Texas. It was in force for 63 min. 3 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- May 28, 1999, 6:42 PM CDT (23:42 UTC)
- Expired
- May 28, 1999, 7:45 PM CDT
- In force
- 63 min
- Issued by
- NWS Midland/Odessa, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Brewster County, TX
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 28, 7:15 PM CDT | Hail 0.75 | Marathon, TX | |
| May 28, 7:25 PM CDT | Thunderstorm Wind 61 | Marathon, TX | |
| May 28, 7:35 PM CDT | Thunderstorm Wind 61 | Marathon, TX |
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 nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 11.7 hours before the alert went out and 258 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
- 94 J/kg
- Mixed-layer CIN
- -163 J/kg
- Mixed-layer LCL
- 903 m above ground
- 0-6 km bulk shear
- 19 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 170 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.5
The text
The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Midland/Odessa, TX wrote its last area forecast discussion before this severe thunderstorm warning went out at May 28, 2:22 PM CDT, 4 hours 20 minutes earlier.
Area forecast discussion, May 28, 2:22 PM CDT, 4 hours 20 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIDLAND TX 222 PM CDT FRI MAY 28 1999 SHRA/TSRA CONTINUING TO MOVE/DISSIPATE SE ACROSS N/E PB ATTM IN ASSOCN WITH WEAK SHRTWV TROF IN NW MID LEVEL FLOW. AS A RESULT CONVECTIVE DEBRIS CLOUDS HAVE LIMITED SURFACE HEATING ACROSS AREAS N OF PECOS RIVER AND INSTABILITY. INSOLATION WILL LIKELY INCREASE LATE AFTERNOON AND WITH CAPES AROUND 1000 J/KG AND PWS AROUND 1 TSTMS MAY DEVELOP. FULL SUN HOWEVER HAS BEEN ONGOING IN MTNS WHERE 85H-7H THETA-E RIDGE AXIS IS POSITIONED. VISIBLE IMAGERY INDICATES CU/SHRA DEVELOPING DAVIS/GDP MTNS AND WILL LOOK FOR WDLY SCT TSTMS THROUGH EARLY EVENING. MAIN CONCERN FOR THE NIGHT IS POTENTIAL FOR CONVECTIVE COMPLEX TO MOVE SE OUT OF NM MTNS SE NM/W TX. MODELS (EXCEPT AVN) DEPICT A SHRTWV TROF MOVING SE ACROSS NM TONIGHT. STILL ETA/NGM DIFFER ON WHERE BEST ENERGY WILL COME OUT WITH NGM BEING FARTHEST N. IF COMPLEX DOES DEVELOP WOULD FEED INTO LOW LEVEL THETA-E RIDGE AXIS WHICH WILL BE INVOF OR JUST E OF MTNS. ETA IS AGGRESSIVE WITH FEATURE INDICATING DEEP LAYERED POSITIVE VERTICAL MOTIONS AND WITH PWS AROUND 1...THEREFORE POTENTIAL FOR SIGNIFICANT RAINS WOULD EXIST WITHIN COMPLEX. HAVE COORD WITH ABQ/LBB AND WILL WORD LOCALLY HEAVY RAIN WITH LIKELY POPS SE NM AND NEARBY W TX COUNTIES. SCATTERED POPS ELSEWHERE ACROSS THE POPS REFLECT INCREASED CHANCES LATE WITH COMPLEX. WILL OPT TO HOLD OFF ON FFA ATTM BUT LATER SHIFTS WILL NEED MONITOR. LONG RANGE PATTERN SUGGEST SIGNIFICANT WARMING AND DRIER PER MID LEVEL RIDGE AND WARM 7H TEMPS. MAF 60/89/62/93 40/20/20/20 CNM 60/90/61/94 60/30/20/10 MRF 52/86/55/86 20/20/20/- P07 65/87/67/92 20/20/20/- GPM
The office that day
Everything else NWS Midland/Odessa, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 28, 5:25 PM CDT | Severe Thunderstorm Warning | MAF | Brewster, Jeff Davis, Pecos | 50 min |
| May 28, 6:00 PM CDT | Severe Thunderstorm Warning | MAF | Brewster | 45 min |
| May 28, 6:35 PM CDT | Severe Thunderstorm Warning | MAF | Presidio | 55 min |
| May 28, 6:47 PM CDT | Flash Flood Warning | MAF | Presidio | 3 hr |
| May 27, 7:24 PM CDT | Severe Thunderstorm Warning | MAF | Eddy | 36 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm warning 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.