Alert archive / Texas / Severe Thunderstorm Warnings in 1999
Severe Thunderstorm Warning 5, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Jan 1, 1999, 7:34 PM CST for Robertson County, Texas. It was in force for 41 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jan 1, 1999, 7:34 PM CST (01:34 UTC)
- Expired
- Jan 1, 1999, 8:15 PM CST
- In force
- 41 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Robertson County, TX
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jan 1, 4:30 PM CST | Tornado Watch | SPC | 6 hr |
| Jan 1, 7:30 PM CST | Tornado Watch | SPC | 6 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 1.6 hours before the alert went out and 214 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
- 665 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 762 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 161 m²/s²
- 0-3 km storm-relative helicity
- 247 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.5
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 severe thunderstorm 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, Jan 1, 6:30 PM CST, 1 hour 4 minutes before
TXZ091>094-101>105-116>121-130>134-144>147-158>162-174-175-012111- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 630 PM CST FRI JAN 1 1999 ...THIS IS A SUMMARY OF WATCHES AND WARNINGS IN EFFECT FOR NORTH TEXAS... .A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LIMESTONE AND ROBERTSON COUNTIES UNTIL 700 PM. .A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHWESTERN FALLS AND NORTHWESTERN MILAM COUNTIES UNTIL 900 PM. .TORNADO WATCH NUMBER 1 IS IN EFFECT FOR EASTERN PORTIONS OF NORTH TEXAS...SOUTH AND EAST OF A LINE FROM JEFFERSON TO ROCKWALL TO COLLEGE STATION UNTIL 1000 PM. .A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR THE EASTERN PORTIONS OF NORTH TEXAS...ALONG AND EAST OF A LINE FROM MT. VERNON TO KAUFMAN TO CORSICANA TO MARLIN TO CAMERON. 78
Special weather statement, Jan 1, 6:30 PM CST, 1 hour 4 minutes before
TXZ091>094-101>105-116>121-130>134-144>147-158>162-174-175-012111- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 630 PM CST FRI JAN 1 1999 ...THIS IS A SUMMARY OF WATCHES AND WARNINGS IN EFFECT FOR NORTH TEXAS... .A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LIMESTONE AND ROBERTSON COUNTIES UNTIL 700 PM. .A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHWESTERN FALLS AND NORTHWESTERN MILAM COUNTIES UNTIL 900 PM. .TORNADO WATCH NUMBER 1 IS IN EFFECT FOR EASTERN PORTIONS OF NORTH TEXAS...SOUTH AND EAST OF A LINE FROM JEFFERSON TO ROCKWALL TO COLLEGE STATION UNTIL 1000 PM. .A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR THE EASTERN PORTIONS OF NORTH TEXAS...ALONG AND EAST OF A LINE FROM MT. VERNON TO KAUFMAN TO CORSICANA TO MARLIN TO CAMERON. 78
Special weather statement, Jan 1, 6:30 PM CST, 1 hour 4 minutes before
TXZ091>094-101>105-116>121-130>134-144>147-158>162-174-175-012111- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 630 PM CST FRI JAN 1 1999 ...THIS IS A SUMMARY OF WATCHES AND WARNINGS IN EFFECT FOR NORTH TEXAS... .A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LIMESTONE AND ROBERTSON COUNTIES UNTIL 700 PM. .A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHWESTERN FALLS AND NORTHWESTERN MILAM COUNTIES UNTIL 900 PM. .TORNADO WATCH NUMBER 1 IS IN EFFECT FOR EASTERN PORTIONS OF NORTH TEXAS...SOUTH AND EAST OF A LINE FROM JEFFERSON TO ROCKWALL TO COLLEGE STATION UNTIL 1000 PM. .A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR THE EASTERN PORTIONS OF NORTH TEXAS...ALONG AND EAST OF A LINE FROM MT. VERNON TO KAUFMAN TO CORSICANA TO MARLIN TO CAMERON. 78
Special weather statement, Jan 1, 7:00 PM CST, 34 minutes before
TXZ091>094-101>105-116>121-130>134-144>147-158>162-174-175-012111- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 700 PM CST FRI JAN 1 1999 ...THIS IS A SUMMARY OF WATCHES AND WARNINGS IN EFFECT FOR NORTH TEXAS... .A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LEON AND FREESTONE COUNTIES UNTIL 730 PM. .A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHWESTERN FALLS AND NORTHWESTERN MILAM COUNTIES UNTIL 900 PM. .TORNADO WATCH NUMBER 1 IS IN EFFECT FOR EASTERN PORTIONS OF NORTH TEXAS...SOUTH AND EAST OF A LINE FROM JEFFERSON TO ROCKWALL TO COLLEGE STATION UNTIL 1000 PM. .A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR THE EASTERN PORTIONS OF NORTH TEXAS...ALONG AND EAST OF A LINE FROM MT. VERNON TO KAUFMAN TO CORSICANA TO MARLIN TO CAMERON. 78
Special weather statement, Jan 1, 7:00 PM CST, 34 minutes before
TXZ091>094-101>105-116>121-130>134-144>147-158>162-174-175-012111- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 700 PM CST FRI JAN 1 1999 ...THIS IS A SUMMARY OF WATCHES AND WARNINGS IN EFFECT FOR NORTH TEXAS... .A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LEON AND FREESTONE COUNTIES UNTIL 730 PM. .A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHWESTERN FALLS AND NORTHWESTERN MILAM COUNTIES UNTIL 900 PM. .TORNADO WATCH NUMBER 1 IS IN EFFECT FOR EASTERN PORTIONS OF NORTH TEXAS...SOUTH AND EAST OF A LINE FROM JEFFERSON TO ROCKWALL TO COLLEGE STATION UNTIL 1000 PM. .A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR THE EASTERN PORTIONS OF NORTH TEXAS...ALONG AND EAST OF A LINE FROM MT. VERNON TO KAUFMAN TO CORSICANA TO MARLIN TO CAMERON. 78
Special weather statement, Jan 1, 7:00 PM CST, 34 minutes before
TXZ091>094-101>105-116>121-130>134-144>147-158>162-174-175-012111- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 700 PM CST FRI JAN 1 1999 ...THIS IS A SUMMARY OF WATCHES AND WARNINGS IN EFFECT FOR NORTH TEXAS... .A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LEON AND FREESTONE COUNTIES UNTIL 730 PM. .A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHWESTERN FALLS AND NORTHWESTERN MILAM COUNTIES UNTIL 900 PM. .TORNADO WATCH NUMBER 1 IS IN EFFECT FOR EASTERN PORTIONS OF NORTH TEXAS...SOUTH AND EAST OF A LINE FROM JEFFERSON TO ROCKWALL TO COLLEGE STATION UNTIL 1000 PM. .A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR THE EASTERN PORTIONS OF NORTH TEXAS...ALONG AND EAST OF A LINE FROM MT. VERNON TO KAUFMAN TO CORSICANA TO MARLIN TO CAMERON. 78
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 1, 6:03 PM CST | Flash Flood Warning | FWD | Falls, Milam | 3 hr |
| Jan 1, 6:13 PM CST | Severe Thunderstorm Warning | FWD | Limestone, Robertson | 47 min |
| Jan 1, 6:40 PM CST | Severe Thunderstorm Warning | FWD | Freestone, Leon | 50 min |
| Jan 1, 7:09 PM CST | Severe Thunderstorm Warning | FWD | Milam | 51 min |
| Jan 1, 7:17 PM CST | Flash Flood Warning | FWD | Freestone, Limestone | 4 hr |
| Jan 1, 7:17 PM CST | Flash Flood Warning | FWD | Anderson | 4 hr |
| Jan 1, 8:02 PM CST | Severe Thunderstorm Warning | FWD | Jack | 58 min |
| Jan 1, 8:38 PM CST | Tornado Warning | FWD | Jack, Wise | 52 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1999Every severe thunderstorm 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.