Alert archive / Texas / Flash Flood Warnings in 1999

Flash Flood Warning 50, NWS Midland/Odessa, TX

June 12, 1999Borden County, Scurry County, Texas

NWS Midland/Odessa, TX issued this flash flood warning at Jun 12, 1999, 12:15 AM CDT for Borden County, Scurry 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
Jun 12, 1999, 12:15 AM CDT (05:15 UTC)
Expired
Jun 12, 1999, 3:15 AM CDT
In force
3 hr
Issued by
NWS Midland/Odessa, TX
Area
Whole counties; the outline is the Mesonet’s reconstruction

Counties Borden County, TX, Scurry County, TX

The radar

The Lubbock radar (KLBB), 106 km from the middle of the area, began a volume at 05:16 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 nearest sounding before it

Midland Regional, TX (KMAF), launched 00:00Z, 5.3 hours before the alert went out and 133 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.

Skew-T log-pSkew-T log-p diagram, Midland Regional, TX at 00:00Z on 1999-06-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1134 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Midland Regional, TX at 00:00Z on 1999-06-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -9 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1134 J/kg
Mixed-layer CIN
-101 J/kg
Mixed-layer LCL
2221 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
-9 m²/s²
0-3 km storm-relative helicity
40 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KMAF 120518
FFWMAF
TXC033-415-120815-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE MIDLAND-ODESSA TX
1215 AM CDT SAT JUN 12 1999

THE MIDLAND-ODESSA NATIONAL WEATHER SERVICE OFFICE HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHERN BORDEN COUNTY IN TEXAS
  SCURRY COUNTY IN TEXAS

* UNTIL 315 AM CDT

* AT 1208 AM CDT...WEATHER SERVICE DOPPLER RADAR DETECTED A LINE OF 
  THUNDERSTORMS WITH VERY HEAVY RAIN 15 MILES NORTHWEST OF 
  FLUVANNA...MOVING SOUTHEAST AT 25 MPH.  HEAVY RAINS WILL MOVE INTO 
  THE WARNED AREA SHORTLY.

* SOME LOCATIONS AFFECTED BY THIS FLASH FLOOD WARNING INCLUDE... 
  RANDALLS CORNER...FLUVANNA...DERMOTT...ARAH...HERMLEIGH AND SNYDER.

THE GROUND IN THIS AREA IS ALREADY SATURATED FROM PREVIOUS RAINS. 
RADAR ESTIMATES 4 TO 8 INCHES OF RAIN HAS ALREADY FALLEN IN THE LAST 
6 HOURS ACROSS THE WARNED AREA...AND FLASH FLOODING HAS ALREADY 
OCCURRED.  THIS ADDITIONAL RAINFALL WILL ONLY MAKE MATTERS WORSE.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH FLOODING IS OBSERVED ACT
QUICKLY. MOVE UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY
IN AREAS SUBJECT TO FLOODIXNG WHEN WATER BEGINS RISING.

LAT...LON 3295 10141 3293 10168 3279 10154 3275 10126
          3253 10069 3292 10070

SD

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 Jun 11, 9:00 PM CDT, 3 hours 15 minutes earlier.

Area forecast discussion, Jun 11, 9:00 PM CDT, 3 hours 15 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE MIDLAND TX
900 PM CDT FRI JUN 11 1999

UNFORTUNATELY I MUST FORGO THE ISSUANCE OF AFD THIS EVENING DUE TO
ONGOING CONVECTION.

DJK

The office that day

Everything else NWS Midland/Odessa, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 11, 7:29 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos61 min
Jun 11, 8:11 PM CDTSevere Thunderstorm WarningMAFBorden49 min
Jun 11, 8:42 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos48 min
Jun 11, 8:51 PM CDTSevere Thunderstorm WarningMAFScurry39 min
Jun 11, 8:59 PM CDTSevere Thunderstorm WarningMAFBorden46 min
Jun 11, 9:10 PM CDTFlash Flood WarningMAFBorden, Scurry3 hr
Jun 11, 9:24 PM CDTSevere Thunderstorm WarningMAFBrewster, Pecos, Terrell51 min
Jun 11, 9:24 PM CDTSevere Thunderstorm WarningMAFScurry66 min
Jun 11, 10:25 PM CDTSevere Thunderstorm WarningMAFScurry35 min
Jun 11, 10:43 PM CDTSevere Thunderstorm WarningMAFPecos77 min
Jun 12, 1:00 AM CDTSevere Thunderstorm WarningMAFScurry60 min
Jun 12, 1:21 AM CDTSevere Thunderstorm WarningMAFBorden24 min
Jun 12, 3:08 AM CDTFlash Flood WarningMAFScurry3 hr
Jun 12, 5:06 AM CDTFlash Flood WarningMAFScurry4 hr
Jun 12, 7:01 AM CDTFlash Flood WarningMAFBorden, Dawson3 hr
Jun 12, 9:00 AM CDTFlash Flood WarningMAFScurry3 hr
Jun 12, 12:07 PM CDTFlash Flood WarningMAFScurry6 hr
Jun 12, 1:52 PM CDTFlash Flood WarningMAFBorden, Scurry3 hr
Jun 12, 3:47 PM CDTSevere Thunderstorm WarningMAFBrewster58 min
Jun 12, 4:52 PM CDTSevere Thunderstorm WarningMAFBrewster63 min
Jun 12, 5:04 PM CDTSevere Thunderstorm WarningMAFUpton61 min
Jun 12, 6:08 PM CDTSevere Thunderstorm WarningMAFUpton62 min
Jun 12, 6:16 PM CDTFlash Flood WarningMAFUpton3 hr
Jun 12, 6:34 PM CDTSevere Thunderstorm WarningMAFPresidio46 min
Jun 12, 6:58 PM CDTSevere Thunderstorm WarningMAFReagan62 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; radar from the NEXRAD Level II archive.