Alert archive / Texas / Flash Flood Warnings in 1999
Flash Flood Warning 91, NWS Midland/Odessa, TX
NWS Midland/Odessa, TX issued this flash flood warning at Jul 31, 1999, 6:51 PM CDT for Pecos County, Terrell 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 counties it named.
The facts
- Issued
- Jul 31, 1999, 6:51 PM CDT (23:51 UTC)
- Expired
- Jul 31, 1999, 9:45 PM CDT
- In force
- 3 hr
- Issued by
- NWS Midland/Odessa, TX
- Area
- Whole counties
Counties Pecos County, TX, Terrell County, TX
The radar
The Midland/Odessa radar (KMAF), 161 km from the middle of the area, began a volume at 23:50 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 12:00Z, 11.9 hours before the alert went out and 162 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
- 16 J/kg
- Mixed-layer CIN
- -271 J/kg
- Mixed-layer LCL
- 2604 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- -38 m²/s²
- 0-3 km storm-relative helicity
- 113 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
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 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 Jul 31, 2:40 PM CDT, 4 hours 11 minutes earlier.
Area forecast discussion, Jul 31, 2:40 PM CDT, 4 hours 11 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE MIDLAND TX 240 PM CDT SAT JUL 31 1999 WOULD APPEAR TO BE GOOD DAY FOR STORMS AS LITTLE CAP... PLENTY OF MOISTURE... AFTERNOON HEATING... COOLING ALOFT... A COLD FRONT SAGGING SOUTH... AND A TUTT LOW WORKING ITS WAY UP THE RIO GRANDE. QUITE A BIT OF ACCAS AROUND THROUGH THE MORNING... BUT STORMS GOT A LATE START TODAY. STORMS GOING UP NEAR KINK AND OVER THE DAVIS MOUNTAINS... WITH MOST POTENT STORMS DEVELOPING SOUTH OF THE BORDER NEAR RIO GRANDE VILLAGE. 19Z SURFACE ANALYSIS HAS FRONT NEAR A KCDS... KLBB... TO KHOB LINE. THIS FRONT SHOULD PROVIDE NORTHERN PART OF AREA BETTER CHANCE STORMS WITH SLIGHTLY COOLER TEMPS. STORMS THAT MAY DEVELOP ALONG THE FRONT WOULD TEND TO PUSH IT FARTHER SOUTH INTO THE AREA THAN MODELS INDICATE. CONVECTION LAST FEW DAYS HAS NOT STOPPED AT SUNSET... BUT LINGERED INTO THE LATE NIGHT/EARLY MORNING HOURS. EXPECT STORMS TO DO SAME TONIGHT. IN THE LONG RUN... NOT EXPECTING MUCH IN THE WAY OF CHANGES AS UPPER RIDGE STAYS OVER AREA WITH TEMPS WARM. HISTORICALLY LAST WEEK JULY AND FIRST WEEK AUGUST IS WARMEST TIME OF YEAR FOR AREA. INITIAL NUMBER FOLLOW. MAF 74/100/73/100 3222 LSA 70/98/72/99 4322 E41 74/100/73/100 3222 6R6 74/97/74/97 5322 MRF 61/84/61/85 4322 CNM 72/100/72/100 3222 .MAF... TX...NONE. NM...NONE. 72
In the hours before
Special weather statement, Jul 31, 1:06 PM CDT, 5 hours 45 minutes before
NMZ027>029-TXZ045>048-050>053-057>063-067>070-074-075-079>082-312300- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE MIDLAND TX 106 PM CDT SAT JUL 31 1999 THIS OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN WEST TEXAS: ANDREWS CULBERSON GLASSCOCK MARTIN REAGAN UPTON BORDEN DAWSON HOWARD MIDLAND REEVES WARD BREWSTER ECTOR JEFF DAVIS PECOS SCURRY WINKLER CRANE GAINES LOVING PRESIDIO TERRELL MITCHELL AND IN SOUTHEAST NEW MEXICO: EDDY LEA SYNOPSIS: A FAIRLY STRONG UPPER LEVEL DISTURBANCE WAS CENTERED NEAR DEL RIO TEXAS AND WAS MOVING SLOWLY TO THE NORTHWEST. AHEAD OF THIS FEATURE ORGANIZED THUNDERSTORM ACTIVITY IS EXPECTED TO DEVELOP THIS AFTERNOON AND OVERNIGHT TONIGHT. ALSO THE MOUNTAINOUS TERRAIN IN THE WESTERN PARTS OF THE AREA WILL LIKELY AID IN THUNDERSTORM DEVELOPMENT. BETTER THUNDERSTORM COVERAGE IS EXPECTED DUE TO THE INFLUENCE OF THIS DISTURBANCE. THE PRIMARY DIRECT THREAT WILL BE ISOLATED DOWNBURST WINDS FROM THUNDERSTORMS. BRIEF DAMAGING WINDS WILL BE POSSIBLE IN SOME CASES. ALSO FLASH FLOODING WILL BE POSSIBLE IN LOCALIZED AREAS...ESPECIALLY AREAS THAT HAVE RECEIVED HEAVY RAINS IN RECENT DAYS. SPOTTER ACTIVATION MAY BE REQUESTED IN LOCALIZED PROBLEM AREAS... MAINLY TO COORDINATE ANY FLASH FLOODING INFORMATION. FOR THE WEST CENTRAL TEXAS OUTLOOK SEE THE PRODUCT LBBSPSSJT ISSUED BY NWS SAN ANGELO (WWUS35 KSJT). MATHEWS
Special weather statement, Jul 31, 1:06 PM CDT, 5 hours 45 minutes before
NMZ027>029-TXZ045>048-050>053-057>063-067>070-074-075-079>082-312300- THUNDERSTORM OUTLOOK NATIONAL WEATHER SERVICE MIDLAND TX 106 PM CDT SAT JUL 31 1999 THIS OUTLOOK PERTAINS TO THE FOLLOWING COUNTIES IN WEST TEXAS: ANDREWS CULBERSON GLASSCOCK MARTIN REAGAN UPTON BORDEN DAWSON HOWARD MIDLAND REEVES WARD BREWSTER ECTOR JEFF DAVIS PECOS SCURRY WINKLER CRANE GAINES LOVING PRESIDIO TERRELL MITCHELL AND IN SOUTHEAST NEW MEXICO: EDDY LEA SYNOPSIS: A FAIRLY STRONG UPPER LEVEL DISTURBANCE WAS CENTERED NEAR DEL RIO TEXAS AND WAS MOVING SLOWLY TO THE NORTHWEST. AHEAD OF THIS FEATURE ORGANIZED THUNDERSTORM ACTIVITY IS EXPECTED TO DEVELOP THIS AFTERNOON AND OVERNIGHT TONIGHT. ALSO THE MOUNTAINOUS TERRAIN IN THE WESTERN PARTS OF THE AREA WILL LIKELY AID IN THUNDERSTORM DEVELOPMENT. BETTER THUNDERSTORM COVERAGE IS EXPECTED DUE TO THE INFLUENCE OF THIS DISTURBANCE. THE PRIMARY DIRECT THREAT WILL BE ISOLATED DOWNBURST WINDS FROM THUNDERSTORMS. BRIEF DAMAGING WINDS WILL BE POSSIBLE IN SOME CASES. ALSO FLASH FLOODING WILL BE POSSIBLE IN LOCALIZED AREAS...ESPECIALLY AREAS THAT HAVE RECEIVED HEAVY RAINS IN RECENT DAYS. SPOTTER ACTIVATION MAY BE REQUESTED IN LOCALIZED PROBLEM AREAS... MAINLY TO COORDINATE ANY FLASH FLOODING INFORMATION. FOR THE WEST CENTRAL TEXAS OUTLOOK SEE THE PRODUCT LBBSPSSJT ISSUED BY NWS SAN ANGELO (WWUS35 KSJT). MATHEWS
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.