Alert archive / Texas / Tornado Warnings in 1998
Tornado Warning 9, NWS Fort Worth, TX
NWS Fort Worth, TX issued this tornado warning at Apr 16, 1998, 12:35 AM CDT for Wise County, Texas. It was in force for 40 min. 1 report came from 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, with what was reported inside it.
The facts
- Issued
- Apr 16, 1998, 12:35 AM CDT (05:35 UTC)
- Expired
- Apr 16, 1998, 1:15 AM CDT
- In force
- 40 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Wise County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 84 km from the middle of the area, began a volume at 05:34 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Apr 16, 12:37 AM CDT | Hail 0.75 | Greenwood, TX |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Apr 16, 12:15 AM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 5.6 hours before the alert went out and 57 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
- 1195 J/kg
- Mixed-layer CIN
- -11 J/kg
- Mixed-layer LCL
- 1250 m above ground
- 0-6 km bulk shear
- 86 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 103 m²/s²
- Significant tornado parameter
- -0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
853
WFUS1 KFTW 160538 RRA
TORFTW
TXC497-160615-
BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE FORT WORTH TX
1235 AM CDT THU APR 16 1998
THE NATIONAL WEATHER SERVICE IN FORT WORTH HAS ISSUED A
* TORNADO WARNING FOR
WISE COUNTY IN TEXAS
INCLUDING DECATUR
* UNTIL 115 AM CDT
* AT 1234 AM CDT NATIONAL WEATHER SERVICE DOPPLER RADAR DETECTED A
DEVELOPING TORNADO 3 MILES WEST OF GREENWOOD...MOVING EAST AT 40
MILES PER HOUR.
* OTHER LOCATIONS IN THE WARNING INCLUDE SLIDELL...GREENWOOD AND
ALVORD
IF YOU ARE CAUGHT OUTSIDE...SEEK SHELTER IN A NEARBY REINFORCED
BUILDING. AS A LAST RESORT...SEEK SHELTER IN A CULVERT...DITCH OR LOW
SPOT AND COVER YOUR HEAD WITH YOUR HANDS.
LAT...LON 3322 9741 3322 9768 3343 9770 3343 9740The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 11:32 PM CDT | Severe Thunderstorm Warning | FWD | Jack, Young | 43 min |
| Apr 15, 11:47 PM CDT | Severe Thunderstorm Warning | FWD | Stephens | 43 min |
| Apr 16, 12:08 AM CDT | Severe Thunderstorm Warning | FWD | Montague, Wise | 37 min |
| Apr 16, 12:28 AM CDT | Severe Thunderstorm Warning | FWD | Cooke | 47 min |
| Apr 16, 12:38 AM CDT | Tornado Warning | FWD | Denton | 52 min |
| Apr 16, 1:00 AM CDT | Severe Thunderstorm Warning | FWD | Collin | 60 min |
| Apr 16, 1:08 AM CDT | Severe Thunderstorm Warning | FWD | Grayson | 62 min |
| Apr 16, 2:48 AM CDT | Severe Thunderstorm Warning | FWD | Collin | 42 min |
Nearby
Tornado Warnings in Texas, 1998Every tornado warning in 1998Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.