Alert archive / Texas / Flash Flood Warnings in 1998
Flash Flood Warning 59, NWS Fort Worth, TX
NWS Fort Worth, TX issued this flash flood warning at Jun 4, 1998, 7:15 PM CDT for Grayson 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 4, 1998, 7:15 PM CDT (00:15 UTC)
- Expired
- Jun 4, 1998, 10:15 PM CDT
- In force
- 3 hr
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Grayson County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 136 km from the middle of the area, began a volume at 00:19 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
Fort Worth, TX (KFWD), launched 00:00Z, 0.3 hours before the alert went out and 110 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
- 3547 J/kg
- Mixed-layer CIN
- -17 J/kg
- Mixed-layer LCL
- 1435 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 57 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 6.9
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KFTW 050017
FFWFTW
TXC181-050315-
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
715 PM CDT THU JUN 4 1998
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
* FLASH FLOOD WARNING FOR
GRAYSON COUNTY IN TEXAS
INCLUDING SHERMAN AND DENISON
* UNTIL 1015 PM CDT
* AT 715 PM CDT WEATHER SERVICE DOPPLER RADAR DETECTED VERY HEAVY
RAIN NEAR WHITESBORO. LAW ENFORCEMENT OFFICIALS REPORT FLOODING
JUST NORTH OF WHITESBORO.
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.
LAT...LON 3391 9694 3342 9682 3340 9641 3378 9637What 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.
In the hours before
Special weather statement, Jun 4, 3:08 PM CDT, 4 hours 7 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-050200- SEVERE WEATHER OUTLOOK FOR NORTH TEXAS NATIONAL WEATHER SERVICE FORT WORTH TX 308 PM CDT THU JUN 4 1998 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND TONIGHT FOR THE NORTHERN HALF OF NORTH TEXAS. THE SLIGHT RISK AREA IS GENERALLY NORTH OF A LINE FROM ATHENS TO WAXAHACHIE TO EASTLAND. THIS INCLUDES THE CITIES OF PARIS...SHERMAN/DENISON...GREENVILLE... BOWIE...GAINESVILLE...THE DALLAS/FORT WORTH METROPLEX...MINERAL WELLS...AND BRECKENRIDGE. LATE THIS AFTERNOON A COLD FRONT EXTENDED FROM JUST SOUTH OF LUBBOCK TO JUST NORTH OF WICHITA FALLS TO NEAR FORT SMITH ARKANSAS. THIS FRONT HAS REMAINDED STATIONARY MOST OF THE DAY BUT WILL BEGIN TO MOVE SLOWLY SOUTHWARD THIS EVENING AND OVERNIGHT AND EXTEND FROM A PARIS TO DENTON LINE BY EARLY FRIDAY MORNING. MEANWHILE A DRYLINE EXTENDED FROM NEAR THE FRONT JUST SOUTHWEST OF WICHITA FALLS...TO JUST WEST OF ABILENE TO JUST WEST OF SAN ANGELO. THE AIRMASS IN NORTH TEXAS EAST AND SOUTH OF THE FRONT AND DRY LINE REMAINS VERY MOIST AND UNSTABLE. TEMPERATURES ALOFT HAVE COOLED DURING THE PAST SEVERAL DAYS RESULTING IN A WEAKER CAP. THE COOL AIR ASSOCIATED WITH THE FRONT MAY PROVIDE ENOUGH LIFT TO BREAK THE CAP ACROSS NORTHWEST TEXAS AND SOUTHWESTERN OKLAHOMA BEGINNING LATE THIS AFTERNOON AS TEMPERATURES REACH THEIR HIGHS FOR THE DAY. SCATTERED THUNDERSTORMS SHOULD THEN MOVE SOUTH AND EAST INTO THE WESTERN PART OF NORTH TEXAS. THUNDERSTORMS SHOULD THEN SPREAD EASTWARD THROUGH THE REMAINDER OF THE RISK AREA TONIGHT. GIVEN THE AMOUNT OF INSTABILITY...ONCE STORMS DEVELOP RAPID INTENSIFICATION IS LIKELY. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND STRAIGHT LINE DAMAGING WINDS...ALTHOUGH AN ISOLATED TORNADO IS POSSIBLE. EMERGENCY MANAGERS GENERALLY WEST OF A HENRIETTA TO EASTLAND LINE SHOULD EXPECT ACTIVATION BY SUNSET. THOSE EAST OF THIS LINE SHOULD BE ON STANDBY FOR ACTIVATION TONIGHT. STAY TUNED TO LOCAL RADIO AND TV STATIONS...NOAA WEATHER RADIO...OR YOUR LOCAL CABLE PROVIDER FOR THE LATEST WEATHER INFORMATION.
Special weather statement, Jun 4, 3:08 PM CDT, 4 hours 7 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-050200- SEVERE WEATHER OUTLOOK FOR NORTH TEXAS NATIONAL WEATHER SERVICE FORT WORTH TX 308 PM CDT THU JUN 4 1998 THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS LATE THIS AFTERNOON AND TONIGHT FOR THE NORTHERN HALF OF NORTH TEXAS. THE SLIGHT RISK AREA IS GENERALLY NORTH OF A LINE FROM ATHENS TO WAXAHACHIE TO EASTLAND. THIS INCLUDES THE CITIES OF PARIS...SHERMAN/DENISON...GREENVILLE... BOWIE...GAINESVILLE...THE DALLAS/FORT WORTH METROPLEX...MINERAL WELLS...AND BRECKENRIDGE. LATE THIS AFTERNOON A COLD FRONT EXTENDED FROM JUST SOUTH OF LUBBOCK TO JUST NORTH OF WICHITA FALLS TO NEAR FORT SMITH ARKANSAS. THIS FRONT HAS REMAINDED STATIONARY MOST OF THE DAY BUT WILL BEGIN TO MOVE SLOWLY SOUTHWARD THIS EVENING AND OVERNIGHT AND EXTEND FROM A PARIS TO DENTON LINE BY EARLY FRIDAY MORNING. MEANWHILE A DRYLINE EXTENDED FROM NEAR THE FRONT JUST SOUTHWEST OF WICHITA FALLS...TO JUST WEST OF ABILENE TO JUST WEST OF SAN ANGELO. THE AIRMASS IN NORTH TEXAS EAST AND SOUTH OF THE FRONT AND DRY LINE REMAINS VERY MOIST AND UNSTABLE. TEMPERATURES ALOFT HAVE COOLED DURING THE PAST SEVERAL DAYS RESULTING IN A WEAKER CAP. THE COOL AIR ASSOCIATED WITH THE FRONT MAY PROVIDE ENOUGH LIFT TO BREAK THE CAP ACROSS NORTHWEST TEXAS AND SOUTHWESTERN OKLAHOMA BEGINNING LATE THIS AFTERNOON AS TEMPERATURES REACH THEIR HIGHS FOR THE DAY. SCATTERED THUNDERSTORMS SHOULD THEN MOVE SOUTH AND EAST INTO THE WESTERN PART OF NORTH TEXAS. THUNDERSTORMS SHOULD THEN SPREAD EASTWARD THROUGH THE REMAINDER OF THE RISK AREA TONIGHT. GIVEN THE AMOUNT OF INSTABILITY...ONCE STORMS DEVELOP RAPID INTENSIFICATION IS LIKELY. THE MAIN THREAT FROM THESE STORMS WILL BE LARGE HAIL AND STRAIGHT LINE DAMAGING WINDS...ALTHOUGH AN ISOLATED TORNADO IS POSSIBLE. EMERGENCY MANAGERS GENERALLY WEST OF A HENRIETTA TO EASTLAND LINE SHOULD EXPECT ACTIVATION BY SUNSET. THOSE EAST OF THIS LINE SHOULD BE ON STANDBY FOR ACTIVATION TONIGHT. STAY TUNED TO LOCAL RADIO AND TV STATIONS...NOAA WEATHER RADIO...OR YOUR LOCAL CABLE PROVIDER FOR THE LATEST WEATHER INFORMATION.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 4, 7:02 PM CDT | Severe Thunderstorm Warning | FWD | Grayson | 58 min |
| Jun 4, 7:14 PM CDT | Tornado Warning | FWD | Erath, Somervell | 31 min |
| Jun 4, 7:20 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 25 min |
| Jun 4, 7:26 PM CDT | Severe Thunderstorm Warning | FWD | Lampasas | 64 min |
| Jun 4, 7:43 PM CDT | Severe Thunderstorm Warning | FWD | Dallas | 77 min |
| Jun 4, 7:51 PM CDT | Severe Thunderstorm Warning | FWD | Collin, Fannin, Grayson | 54 min |
| Jun 4, 7:54 PM CDT | Severe Thunderstorm Warning | FWD | Johnson | 96 min |
| Jun 4, 7:58 PM CDT | Severe Thunderstorm Warning | FWD | Somervell | 47 min |
| Jun 4, 8:09 PM CDT | Flash Flood Warning | FWD | Johnson, Somervell | 3 hr |
| Jun 4, 8:12 PM CDT | Severe Thunderstorm Warning | FWD | Tarrant | 33 min |
| Jun 4, 8:19 PM CDT | Severe Thunderstorm Warning | FWD | Coryell | 56 min |
| Jun 4, 8:34 PM CDT | Severe Thunderstorm Warning | FWD | Ellis, Hill | 56 min |
| Jun 4, 8:44 PM CDT | Severe Thunderstorm Warning | FWD | Bosque, McLennan | 61 min |
| Jun 4, 8:48 PM CDT | Severe Thunderstorm Warning | FWD | Collin, Fannin, Hunt | 42 min |
| Jun 4, 8:53 PM CDT | Severe Thunderstorm Warning | FWD | Lampasas | 67 min |
| Jun 4, 8:59 PM CDT | Severe Thunderstorm Warning | FWD | Delta, Hopkins, Lamar, Rains | 61 min |
| Jun 4, 9:05 PM CDT | Severe Thunderstorm Warning | FWD | Henderson, Kaufman | 85 min |
| Jun 4, 9:05 PM CDT | Severe Thunderstorm Warning | FWD | Navarro | 85 min |
| Jun 4, 9:25 PM CDT | Severe Thunderstorm Warning | FWD | Coryell | 65 min |
| Jun 4, 9:27 PM CDT | Severe Thunderstorm Warning | FWD | Hill | 63 min |
| Jun 4, 9:37 PM CDT | Severe Thunderstorm Warning | FWD | Van Zandt | 68 min |
| Jun 4, 9:43 PM CDT | Severe Thunderstorm Warning | FWD | Bell, McLennan | 62 min |
| Jun 4, 10:00 PM CDT | Severe Thunderstorm Warning | FWD | Falls, Limestone | 60 min |
| Jun 4, 10:00 PM CDT | Severe Thunderstorm Warning | FWD | Freestone | 60 min |
| Jun 4, 10:08 PM CDT | Flash Flood Warning | FWD | McLennan | 3 hr |
| Jun 4, 10:27 PM CDT | Severe Thunderstorm Warning | FWD | Henderson, Navarro | 63 min |
| Jun 4, 10:35 PM CDT | Severe Thunderstorm Warning | FWD | Anderson | 55 min |
| Jun 4, 10:40 PM CDT | Severe Thunderstorm Warning | FWD | McLennan | 35 min |
| Jun 4, 10:58 PM CDT | Severe Thunderstorm Warning | FWD | Freestone, Limestone | 62 min |
| Jun 5, 2:15 AM CDT | Severe Thunderstorm Warning | FWD | Mills | 60 min |
| Jun 5, 2:23 AM CDT | Severe Thunderstorm Warning | FWD | Hamilton | 67 min |
| Jun 5, 3:19 AM CDT | Severe Thunderstorm Warning | FWD | Coryell | 56 min |
| Jun 5, 3:52 AM CDT | Severe Thunderstorm Warning | FWD | Bosque, Coryell, McLennan | 53 min |
| Jun 5, 4:14 AM CDT | Severe Thunderstorm Warning | FWD | Parker | 61 min |
| Jun 5, 4:41 AM CDT | Severe Thunderstorm Warning | FWD | Limestone, McLennan | 64 min |
| Jun 5, 4:56 AM CDT | Severe Thunderstorm Warning | FWD | Falls, McLennan | 64 min |
| Jun 5, 5:40 AM CDT | Severe Thunderstorm Warning | FWD | Freestone, Leon, Limestone | 65 min |
| Jun 5, 9:24 AM CDT | Severe Thunderstorm Warning | FWD | Bell | 66 min |
| Jun 5, 3:44 PM CDT | Severe Thunderstorm Warning | FWD | Milam | 31 min |
| Jun 5, 4:14 PM CDT | Severe Thunderstorm Warning | FWD | Milam | 31 min |
| Jun 5, 4:46 PM CDT | Severe Thunderstorm Warning | FWD | Robertson | 29 min |
| Jun 5, 5:30 PM CDT | Severe Thunderstorm Warning | FWD | Milam | 30 min |
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.