Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 8, NWS Brownsville, TX
NWS Brownsville, TX issued this flash flood warning at Oct 18, 1998, 6:00 PM CDT for Starr 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
- Oct 18, 1998, 6:00 PM CDT (23:00 UTC)
- Expired
- Oct 18, 1998, 9:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS Brownsville, TX
- Area
- Whole counties
County Starr County, TX
The radar
The Brownsville radar (KBRO), 150 km from the middle of the area, began a volume at 22:59 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
Brownsville Intl, TX (KBRO), launched 12:00Z, 11.0 hours before the alert went out and 152 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
- 1671 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 699 m above ground
- 0-6 km bulk shear
- 9 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 61 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 TTAA00 KBRO 182309 FFWBRO TXC427-190210- BULLETIN - EAS ACTIVATION REQUESTED FLASH FLOOD WARNING NATIONAL WEATHER SERVICE BROWNSVILLE TX 600 PM CDT SUN OCT 18 1998 THE NATIONAL WEATHER SERVICE IN BROWNSVILLE HAS ISSUED A * FLASH FLOOD WARNING FOR... STARR COUNTY IN SOUTHERN TEXAS * UNTIL 900 PM CDT * AT 550 PM CDT... NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A THUNDERSTORM WITH VERY HEAVY RAIN OVER STARR COUNTY... MOVING SLOWLY EAST. * THE FLASH FLOOD WARNING HAS BEEN EXTENDED FOR STARR COUNTY IN DEEP SOUTH TEXAS DUE TO HEAVY RAINS CONTINUING OVER RIO GRANDE CITY AND SURROUNDING AREAS. THERE HAS BEEN EVACUATIONS IN MANY AREAS AROUND RIO GRANDE CITY. DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD! * 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 ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHENF WATER BEGINS RISING. IT IS VERY DIFFICULT AT NIGHT TO TELL HOW MUCH WATER IS ON ROADS. MOTORISTS SHOULD NOT DRIVE THROUGH WATER OF UNKNOWN DEPTH. GF
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 Brownsville, TX wrote its last area forecast discussion before this flash flood warning went out at Oct 18, 1:35 PM CDT, 4 hours 25 minutes earlier.
Area forecast discussion, Oct 18, 1:35 PM CDT, 4 hours 25 minutes before
DEEP SOUTH TEXAS FORECAST DISCUSSION NATIONAL WEATHER SERVICE BROWNSVILLE TX 135 PM CDT SUN OCT 18 1998 PER CONVERSATION WITH MET FM SAT AT 1215 PM THIS AFTERNOON...WL PLACE ALL OF DEEP SOUTH TEXAS UNDER FFA. WHILE AREAS TO THE NE HAVE BEEN THE FOCUS FOR THIS RA EVENT...DEEP SOUTH TEXAS HAS SLOWLY BEEN COLLECTING 1 TO 2 INCHES OF RAFL OVR THE PAST 24H...WITH AN EXTENTION OF THE HVY RA NEAR SAT CUTTING SW INTO OLE MEX NOW. CDFNT THRU LRD AND CURRENT PROGS DIFFER ON FURTHER SWRD ADVANCEMENT. ETA HAS SFC WINDS BACKING FM THE S TO THE NE THRU 48H. NGM KEEPS SFC WINDS SE ALL DAY MONDAY... BACKING WINDS TO THE E AND NE TUE. UPSTREAM RADAR AT KDFX SHOWS CONTINUED DEVELOPMENT OF SHRAS WITH A FEW EMBEDDED TSRAS INTO MEX WITH A LARGE AREA OF MOD TO HVY SHRAS W-NE OF LRD AND ADVANCING SLOWLY SE. ALL MDLS FEATURE THE WRN VLY AS HOT SPOT FOR HVY RAFL BEGINNING TONIGHT THRU ALL OF MON. ON OCT 13T...THE VLY RECEIVED COPIOUS AMOUNTS OF RAFL WITH FFW ISSUED FOR KENEDY AND WILLACY. GROUND WL NOT HOLD MUCH WATER AND HVY RAFL IS LIKELY. MUST MONITOR SITUATION CLOSELY DURING THE NEXT 12 T0 24H AND NOT BE TOO CONSERVATIVE ON ISSUANCE OF ANY WARNINGS SHUD HVY RA MATERIALIZE. S JIM WELLS AND NRN BROOKS NOW BEING FLAGGED BY SPENES WITH 1-2 INCHES PER HOUR RATES AND 3 INCH TOTALS FM 1415-1715Z. INFORMED BY CRP THAT RADARS UNDERESTIMATING RAFL AND A HAIR TRIGGER FOR WARNING MAY BE IN ORDER. PLENTY OF MOISTURE PROGGED TO CONTINUE IN DEEP SOUTH TEXAS THRU FCST PD AND EXTENDED. COLDEST AIR OF THE SEASON SET FOR ARRIVAL WED...WITH HIGH TEMPS FALLING INTO THE 60S BY THU AND LOWS IN THE 40S AND 50S THU THRU SUN. WL FOLLOW AVN NUMBERS...AS NGM MOS WAY TOO HIGH AND MISSES CAA AND LIKELIHOOD OF OVC CONDITIONS. XPCT CD AIR ENTRY OVRNGT. CWF...CURRENT TREND LOOKING ON TARGET WITH SCA FLAG FLYING. EXTENDED GOOD WITH EXTENTION OF THU WX INTO FRI. 58 ...FLASH FLOOD WATCH IN EFFECT FOR ALL OF DEEP SOUTH TEXAS THROUGH MON... .TONIGHT...CLOUDY WITH AN 80 PERCENT CHANCE FOR SHRAS WITH A FEW EMBEDDED TSTMS. HEAVY RAINFALL AND FLASH FLOODING POSSIBLE. LOWS NEAR 70. WINDS BECOMING NORTHEAST NEAR 15 MPH. .MONDAY...CLOUDY WITH A 50 PERCENT CHANCE FOR SHRAS WITH A FEW EMBEDDED TSTMS. HEAVY RAINFALL AND FLASH FLOODING POSSIBLE. HIGHS IN THE UPPER 60S AND LOWER 70S. EAST AND NORTHEAST WIND NEAR 15 MPH. .MONDAY NIGHT...CLOUDY AND COLDER WITH A 50 PERCENT CHANCE FOR RAIN. LOWS IN THE UPPER 50S AND LOWER 60S. .TUESDAY...CLOUDY AND COOL WITH A 50 PERCENT CHANCE FOR RAIN. HIGHS IN THE LOW AND MID 70S. BRO TW 069/074 062/072 059 80/50/50/50 MFE TW 069/074 062/072 059 80/50/50/50 RGC TW 067/077 059/074 057 80/50/50/50 SPI TW 071/076 064/075 061 80/50/50/50
The office that day
Everything else NWS Brownsville, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 2:55 PM CDT | Flash Flood Warning | BRO | Starr | 3 hr |
Nearby
Flash Flood Warnings in Texas, 1998Every flash flood warning in 1998
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.