Alert archive / Texas / Severe Thunderstorm Warnings in 1998
Severe Thunderstorm Warning 103, NWS Fort Worth, TX
NWS Fort Worth, TX issued this severe thunderstorm warning at Mar 30, 1998, 3:43 PM CST for Montague County, Texas. It was in force for 47 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
- Mar 30, 1998, 3:43 PM CST (21:43 UTC)
- Expired
- Mar 30, 1998, 4:30 PM CST
- In force
- 47 min
- Issued by
- NWS Fort Worth, TX
- Area
- Whole counties; the outline is the Mesonet’s reconstruction
County Montague County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 129 km from the middle of the area, began a volume at 21:47 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 |
|---|---|---|---|
| Mar 30, 4:00 PM CST | Hail 1 | Forestburg, 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 |
|---|---|---|---|
| Mar 30, 1:00 PM CST | Tornado Watch | SPC | 7 hr |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 9.7 hours before the alert went out and 102 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
- 375 J/kg
- Mixed-layer CIN
- -354 J/kg
- Mixed-layer LCL
- 693 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 271 m²/s²
- 0-3 km storm-relative helicity
- 396 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
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, Mar 30, 10:50 AM CST, 4 hours 53 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-301846- SEVERE WEATHER OUTLOOK FOR NORTH TEXAS NATIONAL WEATHER SERVICE FORT WORTH TX 1050 AM CST MON MAR 30 1998 THERE CONTINUES A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT FOR PARTS OF NORTH CENTRAL AND NORTHEAST TEXAS. THE AREA AFFECTED IN NORTH TEXAS IS GENERALLY BETWEEN A BOWIE-BROWNWOOD LINE AND I-35 THROUGH MID AFTERNOON...AND AN I-35 TO A PARIS-PALESTINE LINE FROM MID AFTERNOON THROUGH THIS EVENING. THUNDERSTORMS ARE EXPECTED TO DEVELOP AS AN UPPER LEVEL SYSTEM OVER NEW MEXICO PUSHES A SURFACE BOUNDARY OF DRY AIR...CALLED THE DRY LINE... AHEAD OF IT... AND ACROSS THE REGION TODAY. THE DRY LINE HAS NOT MOVED AS QUICKLY AS ANTICIPATED EARLIER...MEANING THAT THE SEVERE THUNDERSTORM THREAT WILL OCCUR LATER INTO THE DAY THAN ORIGINALLY ANTICIPATED. A LAYER OF WARM AIR IN THE LOW LEVELS OF THE ATMOSPHERE...CALLED A CAPPING INVERSION... HAS KEPT MOISTURE TRAPPED NEAR THE SURFACE AND INHIBITING THUNDERSTORM DEVELOPMENT. THUNDERSTORMS WILL OCCUR AS THE WARM LAYER IS ERODED... WHICH IS EXPECTED TO OCCUR WITH THE APPROACH OF THE DRY LINE. A COMPLICATING FACTOR IS THE PARENT UPPER LEVEL SYSTEM OVER NEW MEXICO. ENERGY ASSOCIATED WITH THIS SYSTEM WILL MOVE EAST IN PIECES.,, MEANING SOME ENERGY MAY LAG BACK OVER THE SOUTHERN SECTIONS OF NORTH TEXAS INTO TONIGHT. THUNDERSTORMS COULD THUS LINGER INTO THE EARLY MORNING HOURS FOR THE AREA SOUTHEAST OF A TYLER-WACO LINE. THE STRENGTH OF THE LOW LEVEL WIND AND COLD AIR ALOFT MEANS THAT THUNDERSTORMS COULD DEVELOP VERY RAPIDLY THE REMAINDER OF TODAY. THE STRONGEST ACTIVITY IS MOST LIKELY TO OCCUR DURING THE AFTERNOON HOURS... WHEN MAXIMUM HEATING AIDS DESTABILIZATION OF THE ATMOSPHERE. SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD KEEP IN TOUCH WITH LATEST WEATHER DEVELOPMENTS. ACTIVATION MAY BE NEEDED WEST OF I-35 BEFORE 300 PM...AND EAST OF I35 AFTER 300 PM. LARGE HAIL...HIGH WIND...AND HEAVY RAIN WILL BE THE MAIN THREAT... BUT TORNADOES ARE ALSO POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS OR WARNINGS ON THE SEVERE WEATHER SITUATION.
Special weather statement, Mar 30, 10:50 AM CST, 4 hours 53 minutes before
TXZ091>095-100>107-115>123-129>135-141>148-156>162-174-175-301846- SEVERE WEATHER OUTLOOK FOR NORTH TEXAS NATIONAL WEATHER SERVICE FORT WORTH TX 1050 AM CST MON MAR 30 1998 THERE CONTINUES A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND TONIGHT FOR PARTS OF NORTH CENTRAL AND NORTHEAST TEXAS. THE AREA AFFECTED IN NORTH TEXAS IS GENERALLY BETWEEN A BOWIE-BROWNWOOD LINE AND I-35 THROUGH MID AFTERNOON...AND AN I-35 TO A PARIS-PALESTINE LINE FROM MID AFTERNOON THROUGH THIS EVENING. THUNDERSTORMS ARE EXPECTED TO DEVELOP AS AN UPPER LEVEL SYSTEM OVER NEW MEXICO PUSHES A SURFACE BOUNDARY OF DRY AIR...CALLED THE DRY LINE... AHEAD OF IT... AND ACROSS THE REGION TODAY. THE DRY LINE HAS NOT MOVED AS QUICKLY AS ANTICIPATED EARLIER...MEANING THAT THE SEVERE THUNDERSTORM THREAT WILL OCCUR LATER INTO THE DAY THAN ORIGINALLY ANTICIPATED. A LAYER OF WARM AIR IN THE LOW LEVELS OF THE ATMOSPHERE...CALLED A CAPPING INVERSION... HAS KEPT MOISTURE TRAPPED NEAR THE SURFACE AND INHIBITING THUNDERSTORM DEVELOPMENT. THUNDERSTORMS WILL OCCUR AS THE WARM LAYER IS ERODED... WHICH IS EXPECTED TO OCCUR WITH THE APPROACH OF THE DRY LINE. A COMPLICATING FACTOR IS THE PARENT UPPER LEVEL SYSTEM OVER NEW MEXICO. ENERGY ASSOCIATED WITH THIS SYSTEM WILL MOVE EAST IN PIECES.,, MEANING SOME ENERGY MAY LAG BACK OVER THE SOUTHERN SECTIONS OF NORTH TEXAS INTO TONIGHT. THUNDERSTORMS COULD THUS LINGER INTO THE EARLY MORNING HOURS FOR THE AREA SOUTHEAST OF A TYLER-WACO LINE. THE STRENGTH OF THE LOW LEVEL WIND AND COLD AIR ALOFT MEANS THAT THUNDERSTORMS COULD DEVELOP VERY RAPIDLY THE REMAINDER OF TODAY. THE STRONGEST ACTIVITY IS MOST LIKELY TO OCCUR DURING THE AFTERNOON HOURS... WHEN MAXIMUM HEATING AIDS DESTABILIZATION OF THE ATMOSPHERE. SPOTTERS AND EMERGENCY MANAGEMENT OFFICIALS SHOULD KEEP IN TOUCH WITH LATEST WEATHER DEVELOPMENTS. ACTIVATION MAY BE NEEDED WEST OF I-35 BEFORE 300 PM...AND EAST OF I35 AFTER 300 PM. LARGE HAIL...HIGH WIND...AND HEAVY RAIN WILL BE THE MAIN THREAT... BUT TORNADOES ARE ALSO POSSIBLE. STAY TUNED TO NOAA WEATHER RADIO...COMMERCIAL TELEVISION OR RADIO STATIONS...OR YOUR CABLE TELEVISION PROVIDER FOR LATER STATEMENTS OR WARNINGS ON THE SEVERE WEATHER SITUATION.
The office that day
Everything else NWS Fort Worth, TX issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 30, 12:55 PM CST | Severe Thunderstorm Warning | FWD | Young | 65 min |
| Mar 30, 1:44 PM CST | Severe Thunderstorm Warning | FWD | Jack | 46 min |
| Mar 30, 2:43 PM CST | Severe Thunderstorm Warning | FWD | Montague | 47 min |
| Mar 30, 3:58 PM CST | Severe Thunderstorm Warning | FWD | Cooke | 47 min |
| Mar 30, 5:15 PM CST | Severe Thunderstorm Warning | FWD | Denton, Tarrant | 60 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.