Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 31, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood warning at May 28, 1999, 6:47 PM CDT for Presidio County, Texas. It was in force for 3 hr. No storm report in the archive falls 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.
The facts
- Issued
- May 28, 1999, 6:47 PM CDT (23:47 UTC)
- Expired
- May 28, 1999, 9:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Midland/Odessa, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Presidio County, TX
The nearest sounding before it
Midland Regional, TX (KMAF), launched 12:00Z, 11.8 hours before the alert went out and 325 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
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KMAF 282350 FFWMAF TXC377-290245- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE MIDLAND-ODESSA TX 647 PM CDT FRI MAY 28 1999 THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A * FLASH FLOOD WARNING FOR... SOUTHERN PRESIDIO COUNTY IN TEXAS * UNTIL 945 PM CDT * AT 640 PM CDT...WEATHER SERVICE DOPPLER RADAR DETECTED THUNDERSTORMS WITH VERY HEAVY RAIN 8 MILES NORTHEAST OF PRESIDIO...MOVING NORTH AT 10-15 MPH. * SOME LOCATIONS AFFECTED BY THIS FLASH FLOOD WARNING INCLUDE... CASA PIEDRA...SHAFTER AND PRESIDIO. RUNOFF FROM THESE THUNDERSTORMS WILL RAPIDLY FILL ARROYOS AND FLOOD PRONE AREAS. DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY. MOVE TO HIGHER GROUND. A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR BWATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE. LAT...LON 2955 10438 2943 10418 2983 10392 2983 10451
What forecasters said that day
The local office's own words before this flash flood 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 flash flood warning went out at May 28, 2:22 PM CDT, 4 hours 25 minutes earlier.
Area forecast discussion, May 28, 2:22 PM CDT, 4 hours 25 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, 6:42 PM CDT | Severe Thunderstorm Warning | MAF | Brewster | 63 min |
Nearby
Flash Flood Warnings in Texas, 1999Every flash flood 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; the sounding from the Mesonet's radiosonde archive.