Alert archive / Texas / Severe Thunderstorm Warnings in 1998

Severe Thunderstorm Warning 151, NWS Fort Worth, TX

May 2, 1998McLennan County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at May 2, 1998, 7:28 PM CDT for McLennan County, Texas. It was in force for 62 min. 3 reports 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: May 2, 1998, 7:28 PM CDT (00:28 UTC)
Expired: May 2, 1998, 8:30 PM CDT
In force: 62 min
Issued by: NWS Fort Worth, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

County McLennan County, TX

The radar

The Ft Hood radar (KGRK), 94 km from the middle of the area, began a volume at 00:41 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
May 2, 7:45 PM CDT	Hail 0.75	Mc Gregor, TX
May 2, 7:53 PM CDT	Hail 0.75	Moody, TX
May 2, 8:00 PM CDT	Hail 1	Bruceville, 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
May 2, 7:15 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.5 hours before the alert went out and 142 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1124 J/kg
Mixed-layer CIN: -66 J/kg
Mixed-layer LCL: 2253 m above ground
0-6 km bulk shear: 45 kt
0-1 km storm-relative helicity: 29 m²/s²
0-3 km storm-relative helicity: 238 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 5.4

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 2, 7:05 PM CDT	Severe Thunderstorm Warning	FWD	Hill	55 min
May 2, 7:59 PM CDT	Severe Thunderstorm Warning	FWD	Falls	61 min
May 2, 9:40 PM CDT	Severe Thunderstorm Warning	FWD	Navarro	65 min
May 2, 10:00 PM CDT	Severe Thunderstorm Warning	FWD	Henderson	65 min
May 2, 10:04 PM CDT	Severe Thunderstorm Warning	FWD	Dallas, Kaufman	56 min
May 2, 10:14 PM CDT	Severe Thunderstorm Warning	FWD	Rains, Van Zandt	61 min
May 2, 10:20 PM CDT	Severe Thunderstorm Warning	FWD	Delta, Fannin, Hunt	55 min
May 2, 10:20 PM CDT	Severe Thunderstorm Warning	FWD	Hopkins	55 min
May 2, 10:25 PM CDT	Severe Thunderstorm Warning	FWD	Rockwall	60 min
May 2, 10:28 PM CDT	Severe Thunderstorm Warning	FWD	Collin, Grayson	62 min
May 2, 11:01 PM CDT	Severe Thunderstorm Warning	FWD	Kaufman	64 min
May 2, 11:11 PM CDT	Severe Thunderstorm Warning	FWD	Hopkins, Hunt, Rains	64 min
May 2, 11:15 PM CDT	Severe Thunderstorm Warning	FWD	Hopkins	60 min
May 2, 11:15 PM CDT	Severe Thunderstorm Warning	FWD	Van Zandt	60 min
May 2, 11:28 PM CDT	Severe Thunderstorm Warning	FWD	Henderson	62 min
May 3, 1:35 AM CDT	Severe Thunderstorm Warning	FWD	Henderson	55 min
May 3, 2:16 AM CDT	Severe Thunderstorm Warning	FWD	Leon	29 min

Nearby

Severe Thunderstorm Warnings in Texas, 1998 Every 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.