Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 41, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Jan 11, 1998, 5:25 PM CST for Henderson County, Texas. It was in force for 35 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jan 11, 1998, 5:25 PM CST (23:25 UTC)
- Expired
- Jan 11, 1998, 6:00 PM CST
- In force
- 35 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties
County Henderson County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 142 km from the middle of the area, began a volume at 23:25 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 |
|---|---|---|---|
| Jan 11, 5:44 PM CST | Hail 0.75 | Chandler, 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 |
|---|---|---|---|
| Jan 11, 1:15 PM CST | Severe Thunderstorm Watch | SPC | 6 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 11.4 hours before the alert went out and 151 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 458 m above ground
- 0-6 km bulk shear
- 62 kt
- 0-1 km storm-relative helicity
- 474 m²/s²
- 0-3 km storm-relative helicity
- 533 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.5
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 11, 12:05 PM CST, 5 hours 20 minutes before
TXZ095-106-107-122-123-135-147-148-162-120030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 1205 PM CST SUN JAN 11 1998 THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY OVER CENTRAL AND EAST TEXAS GENERALLY EAST OF A PARIS TO CANTON TO FAIRFIELD TO CENTERVILLE LINE. THE RISK AREA INCLUDES THE CITIES OF SULPHUR SPRINGS...ATHENS AND PALESTINE. THE MAIN SEVERE WEATHER THREAT WILL BE LARGE HAIL AND DAMAGING DOWNBURSTS...WITH THE POSSIBILITY OF ISOLATED TORNADOES. A WARM FRONTAL BOUNDARY EXTENDED FROM TEXARKANA TO WACO AND THEN CURVED WESTWARD. WARM...MOIST AND UNSTABLE AIR WILL CONTINUE TO FLOW NORTHWARD INTO EAST AND CENTRAL TEXAS FROM THE SOUTH AND THEN BE LIFTED OVER THE FRONTAL BOUNDARY. THUNDERSTORMS HAVE DEVELOPED ALONG AND NORTH OF THE WARM FRONTAL BOUNDARY AND ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON. OTHER THUNDERSTORMS ARE EXPECTED SOUTH OF THE FRONT AS AFTERNOON HEATING INCREASES. AN UPPER AIR DISTURBANCE IS MOVING FROM WEST TEXAS INTO NORTH TEXAS THIS AFTERNOON AND WILL HELP TO INTENSIFY THUNDERSTORMS. FAVORABLE WIND PROFILES AND ELEVATED INSTABILITY COULD COMBINE TO CAUSE A FEW OF THE THUNDERSTORMS TO BECOME SEVERE. THE MAIN THREAT FOR SEVERE THUNDERSTORMS WILL BE FROM NOON TO 5 PM...THEN THE THREAT SHOULD DIMINISH AS THE UPPER AIR DISTURBANCE MOVES INTO EAST TEXAS. EMERGENCY MANAGERS AND STORM SPOTTER GROUPS IN THE RISK AREA SHOULD BE ON STANDBY FOR POSSIBLE ACTIVATION ANYTIME THIS AFTERNOON.
Special weather statement, Jan 11, 12:05 PM CST, 5 hours 20 minutes before
TXZ095-106-107-122-123-135-147-148-162-120030- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE FORT WORTH TX 1205 PM CST SUN JAN 11 1998 THERE IS SLIGHT RISK OF SEVERE THUNDERSTORMS TODAY OVER CENTRAL AND EAST TEXAS GENERALLY EAST OF A PARIS TO CANTON TO FAIRFIELD TO CENTERVILLE LINE. THE RISK AREA INCLUDES THE CITIES OF SULPHUR SPRINGS...ATHENS AND PALESTINE. THE MAIN SEVERE WEATHER THREAT WILL BE LARGE HAIL AND DAMAGING DOWNBURSTS...WITH THE POSSIBILITY OF ISOLATED TORNADOES. A WARM FRONTAL BOUNDARY EXTENDED FROM TEXARKANA TO WACO AND THEN CURVED WESTWARD. WARM...MOIST AND UNSTABLE AIR WILL CONTINUE TO FLOW NORTHWARD INTO EAST AND CENTRAL TEXAS FROM THE SOUTH AND THEN BE LIFTED OVER THE FRONTAL BOUNDARY. THUNDERSTORMS HAVE DEVELOPED ALONG AND NORTH OF THE WARM FRONTAL BOUNDARY AND ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON. OTHER THUNDERSTORMS ARE EXPECTED SOUTH OF THE FRONT AS AFTERNOON HEATING INCREASES. AN UPPER AIR DISTURBANCE IS MOVING FROM WEST TEXAS INTO NORTH TEXAS THIS AFTERNOON AND WILL HELP TO INTENSIFY THUNDERSTORMS. FAVORABLE WIND PROFILES AND ELEVATED INSTABILITY COULD COMBINE TO CAUSE A FEW OF THE THUNDERSTORMS TO BECOME SEVERE. THE MAIN THREAT FOR SEVERE THUNDERSTORMS WILL BE FROM NOON TO 5 PM...THEN THE THREAT SHOULD DIMINISH AS THE UPPER AIR DISTURBANCE MOVES INTO EAST TEXAS. EMERGENCY MANAGERS AND STORM SPOTTER GROUPS IN THE RISK AREA SHOULD BE ON STANDBY FOR POSSIBLE ACTIVATION ANYTIME THIS AFTERNOON.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 11, 1:04 PM CST | Severe Thunderstorm Warning | FWD | Dallas | 56 min |
| Jan 11, 1:26 PM CST | Severe Thunderstorm Warning | FWD | Somervell | 64 min |
| Jan 11, 4:46 PM CST | Severe Thunderstorm Warning | FWD | Van Zandt | 29 min |
| Jan 11, 4:58 PM CST | Severe Thunderstorm Warning | FWD | Henderson | 32 min |
Nearby
Severe Thunderstorm Warnings in Texas, 1998Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.