Alert archive / Texas / Tornado Warnings in 1999

Tornado Warning 6, NWS San Angelo, TX

March 12, 1999San Saba County, Texas

NWS San Angelo, TX issued this tornado warning at Mar 12, 1999, 2:33 PM CST for San Saba County, Texas. It was in force for 77 min. 2 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: Mar 12, 1999, 2:33 PM CST (20:33 UTC)
Expired: Mar 12, 1999, 3:50 PM CST
In force: 77 min
Issued by: NWS San Angelo, TX
Area: Whole counties

County San Saba County, TX

The radar

The Ft Hood radar (KGRK), 145 km from the middle of the area, began a volume at 20:36 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 12, 2:40 PM CST	Tornado F2	Richland Spgs, TX	The same thunderstorm that spawned a brief touchdown in McCulloch County produced a second tornado south of Richland Springs. A hunting cabin, two trailer homes, 2 barns, and 3 vehicles were destroyed.
Mar 12, 3:25 PM CST	Hail 1.75	San Saba, 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 12, 10:45 AM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 12:00Z, 8.6 hours before the alert went out and 236 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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 511 m above ground
0-6 km bulk shear: 52 kt
0-1 km storm-relative helicity: 288 m²/s²
0-3 km storm-relative helicity: 416 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.9

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.

What forecasters said that day

The local office's own words before this tornado warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS San Angelo, TX wrote its last area forecast discussion before this tornado warning went out at Mar 12, 1:57 PM CST, 36 minutes earlier.

Area forecast discussion, Mar 12, 1:57 PM CST, 36 minutes before

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In the hours before

Local storm report, Mar 12, 2:33 PM CST, 0 minutes before

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Local storm report, Mar 12, 2:33 PM CST, 0 minutes before

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The office that day

Everything else NWS San Angelo, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 11, 9:09 PM CST	Severe Thunderstorm Warning	SJT	Haskell	61 min
Mar 12, 5:08 AM CST	Severe Thunderstorm Warning	SJT	Schleicher	32 min
Mar 12, 5:36 AM CST	Severe Thunderstorm Warning	SJT	Sutton	34 min
Mar 12, 6:04 AM CST	Severe Thunderstorm Warning	SJT	Schleicher, Sutton	46 min
Mar 12, 6:10 AM CST	Severe Thunderstorm Warning	SJT	Tom Green	50 min
Mar 12, 6:23 AM CST	Severe Thunderstorm Warning	SJT	Taylor	62 min
Mar 12, 6:28 AM CST	Severe Thunderstorm Warning	SJT	Runnels	47 min
Mar 12, 6:40 AM CST	Severe Thunderstorm Warning	SJT	Jones	65 min
Mar 12, 6:47 AM CST	Tornado Warning	SJT	Sutton	33 min
Mar 12, 7:05 AM CST	Severe Thunderstorm Warning	SJT	Menard, Schleicher	45 min
Mar 12, 7:06 AM CST	Severe Thunderstorm Warning	SJT	Haskell	64 min
Mar 12, 7:23 AM CST	Severe Thunderstorm Warning	SJT	Taylor	62 min
Mar 12, 7:26 AM CST	Severe Thunderstorm Warning	SJT	Throckmorton	34 min
Mar 12, 7:43 AM CST	Tornado Warning	SJT	Menard	32 min
Mar 12, 8:03 AM CST	Severe Thunderstorm Warning	SJT	Callahan, Shackelford	62 min
Mar 12, 8:12 AM CST	Tornado Warning	SJT	Menard	48 min
Mar 12, 8:26 AM CST	Flash Flood Warning	SJT	Menard	3 hr
Mar 12, 8:50 AM CST	Tornado Warning	SJT	Mason, Menard	80 min
Mar 12, 8:54 AM CST	Severe Thunderstorm Warning	SJT	McCulloch	66 min
Mar 12, 9:11 AM CST	Tornado Warning	SJT	Tom Green	49 min
Mar 12, 9:56 AM CST	Severe Thunderstorm Warning	SJT	San Saba	64 min
Mar 12, 10:53 AM CST	Severe Thunderstorm Warning	SJT	San Saba	32 min
Mar 12, 11:29 AM CST	Severe Thunderstorm Warning	SJT	Tom Green	66 min
Mar 12, 12:09 PM CST	Severe Thunderstorm Warning	SJT	Coleman	66 min
Mar 12, 1:19 PM CST	Severe Thunderstorm Warning	SJT	Coleman, McCulloch	61 min
Mar 12, 2:06 PM CST	Severe Thunderstorm Warning	SJT	San Saba	64 min
Mar 12, 3:50 PM CST	Severe Thunderstorm Warning	SJT	San Saba	35 min

Nearby

Tornado Warnings in Texas, 1999 Every tornado warning in 1999 Tornadoes 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.